| blob | 81bc0d7ed9e95a1a6bf6eb84ed3600ebba8c469e |
1 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3 PR target/27075
4 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5 for 8 byte objects.
7 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9 PR tree-optimization/16876
10 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
11 exit if PARM doesn't match VALUE.
13 2006-08-25 Bob Wilson <bob.wilson@acm.org>
15 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
16 literal_prefix directive.
17 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
18 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
19 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
21 2006-08-25 David Edelsohn <edelsohn@gnu.org>
23 PR target/28753
24 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
25 predicate to general_operand. Add 0->y and I->r alternatives.
27 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
29 * doc/tm.texi: Fix a typo.
30 * predict.c: Fix comment typos.
32 2006-08-25 Nick Clifton <nickc@redhat.com>
34 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
35 assertions of "cpu" and "machine".
37 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
39 PR tree-opt/28807
40 * tree-ssa-operands.c (access_can_touch_variable): Don't say
41 the access through a base which has an alias set of 0 cannot
42 touch the variable.
44 2006-08-24 Bill Wendling <wendling@apple.com>
46 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
48 2006-08-24 Jan Hubicka <jh@suse.cz>
50 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
52 2006-08-24 Jan Hubicka <jh@suse.cz>
54 PR debug/26881
55 * cgraph.c: Fix comments.
56 (cgraph_varpool_mark_needed_node): Mark only variables not already
57 output to file.
58 * cgraphunit.c: Update comments; include gt-cgraphunit.h
59 (cgraph_varpool_assembled_nodes_queue): New static variable.
60 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
61 (cgraph_varpool_output_debug_info): New function.
62 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
63 * Makefile.in: Add gt-cgraphunit.h
65 2006-08-24 Jan Hubicka <jh@suse.cz>
67 * predict.c (probability_reliable_p): New predicate.
68 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
69 (predict_loops): Do not predict loop exit with less than 2%
70 probability.
71 * basic-block.h (edge_probability_reliable_p,
72 br_prob_note_reliable_p): Declare.
73 * ia64.h (ia64_print_operand): Do not disable on-chip branch
74 prediction when static predictor is not reliable.
75 * rs6000.c (output_cbranch): Likewise.
77 2006-08-23 Stuart Hastings <stuart@apple.com>
79 PR 28825
80 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
81 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
83 2006-08-21 Geoffrey Keating <geoffk@apple.com>
85 PR debug/28692
86 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
87 complex values, nor for generic vector values.
89 2006-08-22 Richard Guenther <rguenther@suse.de>
91 PR middle-end/28776
92 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
93 parameter. Convert arguments to arithmetic expression to the
94 chrecs type.
95 (analyze_scalar_evolution_1): Adjust caller.
97 2006-08-22 Jan Hubicka <jh@suse.cz>
99 Patch by Paolo Bonzini
100 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
101 my previous patch.
103 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
105 PR tree-optimization/28003
106 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
107 before grouping aliases.
109 2006-08-22 Roger Sayle <roger@eyesopen.com>
111 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
112 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
114 2006-08-21 Jason Merrill <jason@redhat.com>
116 PR c++/27115
117 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
118 wrapper. Loop to handle nested wrappers.
119 (gimplify_bind_expr): Remove temp parameter.
120 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
121 and STATEMENT_LIST on the rhs.
122 (gimplify_statement_list): Voidify the STATEMENT_LIST.
123 (gimplify_expr): Pass pre_p to gimplify_statement_list.
124 (gimplify_target_expr): Remove special BIND_EXPR handling.
126 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
128 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
129 #if !__SHMEDIA__ .
131 2006-08-21 Olivier Hainque <hainque@adacore.com>
133 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
134 Arrange for the temporary captures of components overlapping the lhs
135 to happen before the lhs is possibly cleared.
137 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
139 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
140 necessary places to pass the correct "number of registers" values
141 to _Unwind_VRS_Pop.
143 2006-08-20 Jan Hubicka <jh@suse.cz>
145 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
146 (create_name_tags): Instead of quadratic checking use hashtable.
147 * bitmap.h: Include hashtab.h.
148 (bitmap_hash): Declare.
149 * bitmap.c (bitmap_hash): New function.
151 2006-08-20 Jan Hubicka <jh@suse.cz>
153 PR rtl-optimization/28071
154 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
155 twice.
156 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
157 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
158 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
159 cgraph_decide_inlining_incrementally): Update use of
160 cgraph_check_inline_limits.
161 * cgraph.c (edge_hash, edge_eq): New function.
162 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
163 cgraph_edge_remove_caller, cgraph_node_remove_callees,
164 cgraph_remove_node): Maintain call site hash.
165 * cgraph.h (struct cgraph_node): Add call_site_hash.
166 (cgraph_set_call_stmt): New function.
168 2006-08-20 Jan Hubicka <jh@suse.cz>
170 PR rtl-optimization/28071
171 * reload1.c (reg_has_output_reload): Turn into regset.
172 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
173 choose_reload_regs, emit_reload_insns): Update to new
174 reg_has_output_reload.
176 2006-08-20 Jan Hubicka <jh@suse.cz>
178 PR middle-end/28779
179 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
180 function body sizes.
181 * cgraphunit.c (cgraph_analyze_function): Don't do so.
183 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
185 PR target/28648 c:
186 * tree.c (handle_dll_attribute): Return early if not a
187 var or function decl.
189 2006-08-18 Joseph Myers <joseph@codesourcery.com>
191 PR target/27565
192 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
193 alignment of SPE vector types.
195 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
197 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
199 2006-08-17 Jakub Jelinek <jakub@redhat.com>
201 PR c/28744
202 * cgraph.h (struct cgraph_node): Remove externally_visible
203 bitfield.
204 * cgraphunit.c (process_function_and_variable_attributes): Set
205 local.externally_visible rather than externally_visible.
207 PR c/28744
208 * c-common.c (handle_externally_visible_attribute): First look
209 at TREE_CODE and only if it is function or var decl, check for
210 non-public objects. Don't warn for DECL_EXTERNAL.
211 * cgraphunit.c (process_function_and_variable_attributes): Warn
212 if externally_visible attribute is used on non-public object.
214 2006-08-17 Jan Hubicka <jh@suse.cz>
216 PR tree-optimization/27865
217 * reload1.c (forget_marked_reloads): New function.
218 (forget_old_reloads_1): When data are passed, just mark the registers
219 for later removal.
220 (reload_as_needed): Use the new mechanizm.
222 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
224 PR target/28146
225 * reload.h (reg_equiv_alt_mem_list): New declaration.
226 * reload1.c (reg_equiv_alt_mem_list): New definition.
227 (reload): Initialize it and release it.
228 (delete_output_reload): Use it.
229 * reload.c (push_reg_equiv_alt_mem): New function.
230 (find_reloads_toplev): Call it.
231 (find_reloads_address, find_reloads_address_1): Likewise.
232 (find_reloads_subreg_address): Likewise.
234 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
236 PR rtl-optimization/28489
237 * sched-ebb.c (begin_schedule_ready): Create basic block
238 at the right place.
239 (advance_target_bb): Skip empty blocks.
240 * haifa-sched.c (bb_note): Make global.
241 * sched-int.h (bb_note): Add prototype.
243 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
245 PR tree-optimization/27865
246 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
247 for pointer types.
248 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
249 fold_used_pointer, pointer_used_p): New functions.
250 (analyze_scalar_evolution_1): Use fold_used_pointer.
251 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
252 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
253 for pointers.
255 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
257 PR c++/28573
258 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
259 or the INTEGER_CST. Fail on a CALL_EXPR.
260 (fold_offsetof): Pass new argument to fold_offsetof_1.
261 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
262 operand into an INDIRECT_REF.
263 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
265 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
267 PR gcov/profile/26570
268 * value-prof.c (static_values): Removed.
269 (tree_find_values_to_profile): Do not set static_values.
270 (find_values_to_profile): Do not free static_values.
271 * profile.c (instrument_values): Do not free the values.
272 (branch_prob): Free the values.
274 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
276 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
278 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
280 PR c/27697
281 * c-typeck.c (build_component_ref): Combine qualifiers of
282 structure or union and field.
284 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
286 PR rtl-optimization/28071
287 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
288 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
289 * tree-into-ssa.c (struct dom_dfsnum): New.
290 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
291 functions.
292 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
293 compute_global_livein.
294 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
295 in phi nodes in the correct blocks.
297 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
299 PR tree-optimization/28364
300 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
301 correctly.
302 (fold_affine_expr): New function.
303 (may_eliminate_iv): Use fold_affine_expr.
305 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
307 PR c/27489
308 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
309 Clean up.
311 2006-08-16 Mike Stump <mrs@apple.com>
313 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
314 * doc/cppopts.texi (-MD): Likewise.
316 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
318 PR c/28287
319 * c-common.c (handle_weak_attribute): Ignore and warn if
320 not a FUNCTION_ or VAR_DECL.
322 2006-07-15 Mike Stump <mrs@apple.com>
324 PR c/28280
325 * c-parser.c (c_parser_typeof_specifier): Don't use
326 c_finish_expr_stmt, open code desired semantics instead.
328 2006-08-15 Nick Clifton <nickc@redhat.com>
330 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
331 fragment to tmake_file only if threads are enabled.
332 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
333 * config/i386/t-gthr-win32: New file. ... here.
335 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
337 PR c/28649
338 * c-parser.c (c_parser_compound_statement_nostart): Reset
339 parser->error after each statement.
341 2006-08-15 Jakub Jelinek <jakub@redhat.com>
343 PR middle-end/28713
344 * omp-low.c (lower_omp_parallel): Convert t to
345 receiver_decl's type.
346 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
347 source before comparison.
349 PR middle-end/28724
350 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
351 to itype in assignment to oldival2.
353 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
355 PR c/27490
356 PR c/27489
357 * c-typeck.c (build_compound_expr): If the second expression
358 is an error mark, then just return an error mark instead of
359 creating a COMPOUND_EXPR.
361 2006-07-14 Mike Stump <mrs@apple.com>
363 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
365 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
367 * c-decl.c, var-tracking.c: Fix comment typos.
369 2006-08-14 Richard Sandiford <richard@codesourcery.com>
371 PR rtl-optimization/28634
372 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
373 for floating-point modes unless flag_unsafe_math_optimizations.
375 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
376 Andrew Pinski <pinskia@physics.uc.edu>
378 PR c/27184
379 * tree.c (build_array_type): Unify array types with
380 unspecified index_type.
381 * c-decl.c (grokdeclarator): Make sure we do not modify a
382 unified incomplete array type.
383 * c-typeck.c (store_init_value): Create distinct type before
384 filling in the index type in an initializer from a compound
385 literal.
387 * c-decl.c (grokdeclarator): Remove code where we copy the
388 array type over.
390 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
392 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
393 into account for TODO_dump_cgraph.
394 (TODO_update_ssa_no_phi): Likewise.
395 (TODO_update_ssa_full_phi): Likewise.
396 (TODO_update_ssa_only_virtuals): Likewise.
397 (TODO_remove_unused_locals): Likewise.
398 (TODO_set_props): Likewise.
399 (TODO_update_stmt_usage): Likewise.
401 2006-08-13 Dirk Mueller <dmueller@suse.de>
403 * c-common.c (strict_aliasing_warning): Fix formatting.
405 2006-08-13 Matthias Klose <doko@debian.org>
407 * doc/invoke.texi: Fix spelling errors.
409 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
411 PR rtl-optimization/23454
412 * reorg.c (relax_delay_slots): Update comment.
414 2006-08-11 Richard Guenther <rguenther@suse.de>
416 PR middle-end/28651
417 * simplify-rtx.c (simplify_const_relational_operation):
418 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
419 codes.
421 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
423 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
424 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
426 2006-08-10 Paul Brook <paul@codesourcery.com>
428 * final.c (final_scan_insn): Clear current_insn_predicate before
429 outputting inline asm.
431 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
433 PR tree-optimization/26197
434 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
435 get_ref_base_and_extent and overlap_subvar to add only relevant
436 subvars as may-aliases.
437 (add_may_alias_for_new_tag): New function, factored out of
438 new_type_alias.
439 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
440 with additional argument.
441 * tree-flow.h (new_type_alias): Takes additional argument.
443 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
445 * gcov.c (no_data_file): New flag.
446 (read_count_file): Set it if data file not present. Assume counts
447 zero if not found.
448 (output_lines): Don't name the data file, if there wasn't one.
450 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
452 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
453 (rs6000_generate_compare): Tweak comments.
454 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
456 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
458 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
459 (var_debug_decl): New function.
460 (var_reg_set): Follow debug decl link. Add location even if
461 reg is already known to hold some other variable.
462 (var_mem_set): Follow debug decl link.
463 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
464 decl link. Delete other known locations of the variable part
465 if requested.
466 (var_reg_delete, var_mem_delete): Delete other known locations
467 of the variable part if requested.
468 (same_variable_part_p): New function.
469 (add_stores): Select MO_COPY when appropriate.
470 (vt_initialize): Handle it.
471 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
472 known locations for MO_SET and MO_CLOBBER.
473 (find_variable_location_part): New function.
474 (set_variable_part, delete_variable_part): Use it.
475 (clobber_variable_part): New function.
476 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
477 decl link.
479 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
481 PR tree-optimization/26969
482 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
483 with an empty list of PHIs.
485 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
487 PR target/27827
489 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
490 instructions.
492 2006-08-06 Andreas Schwab <schwab@suse.de>
494 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
495 string. Whitespace and comment fixup.
497 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
499 PR c/28502
500 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
501 argument.
503 PR c/27721
504 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
506 PR c/28136
507 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
509 2006-08-04 Jan Hubicka <jh@suse.cz>
511 PR target/26655
512 PR target/28270
513 * reload.c (push_reload): Patch out the mismatching instruction;
514 return early.
515 (find_reload): Bail out if the instruction was patched out.
517 2006-08-04 Jan Hubicka <jh@suse.cz>
519 PR tree-optimization/24888
520 * tree-inline.c (expand_call_inline): Do not re-record variables.
521 (declare_inline_vars): Add variable to unexpanded_var_list.
523 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
524 Roger Sayle <roger@eyesopen.com>
526 PR rtl-optimization/26244
527 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
528 inner_const are negative or greater than or equal to the bitsize of
529 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
530 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
531 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
532 CONST0_RTX (mode) when the new shift count is greater than or equal to
533 to the bitsize of the object being shifted and XEXP (y, 0) has no side
534 effects.
536 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
538 * tree-cfg.c: Fix a comment typo.
540 2006-08-03 Mark Mitchell <mark@codesourcery.com>
542 PR c++/28148
543 * varasm.c (output_constant): Give the front end another chance to
544 expand constants, after stripping NOPs.
546 2006-08-03 Jan Hubicka <jh@suse.cz>
548 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
549 implementation.
551 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
553 PR tree-optimization/27770
554 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
555 declaration removed (moved to tree-flow.h).
556 (vect_can_force_dr_alignment_p): Likewise.
557 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
558 (moved from tree-vectorizer.h).
559 (vect_can_force_dr_alignment_p): Likewise.
560 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
561 from outside the vectorizer - in particular from cgraph stage.
562 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
563 the alignment of global arrays when -fsection-anchors is enabled.
564 * cgraphunit.c (cgraph_increase_alignment): New function.
565 (cgraph_optimize): Call cgraph_increase_alignment.
567 2006-08-03 David Edelsohn <edelsohn@gnu.org>
569 PR target/27566
570 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
571 not reload a SPE symbol_ref into a lo_sum address.
573 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
575 PR debug/28063
576 * dwarf2out.c (prune_unused_types_prune): Move call to
577 prune_unused_types_update_strings to cover the parent DIE also.
579 2006-08-02 Jan Hubicka <jh@suse.cz>
581 PR gcov/profile/28480
582 * tree-cfg.c (change_bb_for_stmt): New function.
583 (tree_merge_blocks, tree_split_blocks): Use it.
585 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
587 PR c++/28250
588 PR c++/28257
589 PR c++/28259
590 PR c++/28267
591 * toplev.c (compile_file): Return early on errorcount or sorrycount.
592 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
593 (cgraph_optimize): Likewise.
595 2006-08-01 Stuart Hastings <stuart@apple.com>
597 * rtl.h (UINTVAL) New.
598 * config/rs6000/rs6000.c (SMALL_INT) Use it.
599 * testsuite/gcc.dg/20060801-1.c: New.
601 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
603 PR debug/23336
604 * c-typeck.c (build_external_type): Mark used enum types.
605 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
606 cfun also.
607 (gen_subprogram_die): Whitespace fix.
609 2006-08-01 Jan Hubicka <jh@suse.cz>
611 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
612 bitmap when not needed.
613 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
614 bitmaps.
616 2006-08-01 Dirk Mueller <dmueller@suse.de>
618 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
620 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
622 * Makefile.in: Revert part of previous patch:
623 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
624 and REGS_H.
626 2006-07-30 Eric Christopher <echristo@apple.com>
628 PR target/27543
629 * doc/extend.texi (i386 Variable Attributes): Add anchor.
630 (PowerPC Variable Attributes): New section.
632 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
634 PR target/28126 (partial fix)
635 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
637 2006-07-28 Jan Hubicka <jh@suse.cz>
639 PR rtl-optimization/28071
640 * cfgrtl.c (rtl_delete_block): Free regsets.
641 * flow.c (allocate_bb_life_data): Re-use regsets if available.
643 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
645 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
646 and variables used in dependencies.
648 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
650 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
651 %fs for -mcmodel=kernel.
652 (stack_tls_protect_test_di): Likewise.
654 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
656 * Makefile.in: Use mkinstalldirs.
658 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
660 PR driver/28437
661 * opts-common.c (prune_options): Skip joined switches.
663 2006-07-27 Jan Hubicka <jh@suse.cz>
665 PR rtl-optimization/28071
666 * cselib.c (cselib_process_insn): Don't remove useless values too
667 often for very large hashtables.
669 2006-07-27 Jan Hubicka <jh@suse.cz>
671 PR rtl-optimization/28071
672 * global.c (greg_obstack): New obstack.
673 (allocate_bb_info): Use it.
674 (free_bb_info): Likewise.
675 (modify_reg_pav): Likewise.
677 2006-07-27 Roger Sayle <roger@eyesopen.com>
679 * builtins.c (fold_fixed_mathfn): When long and long long are the
680 same size, canonicalize llceil*, llfloor*, llround* and llrint*
681 functions to their lceil*, lfloor*, lround* and lrint* forms.
683 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
685 PR gcc/28508
686 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
687 branch.
688 (rev_branch_insn): Likewise.
690 2006-07-27 Jan Hubicka <jh@suse.cz>
692 PR rtl-optimization/28071
693 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
694 (reg_set_in_bb, max_reg_computed): New static variables.
695 (regmove_optimize): Free the new array.
696 (fixup_match_1): Update call of reg_is_remote_constant_p.
698 2006-07-26 Jan Hubicka <jh@suse.cz>
700 PR tree-optimization/27882
701 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
702 and decl fields.
703 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
704 next pointer
705 (cgraph_analyze_compilation_unit): Likewise.
706 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
707 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
708 (cgraph_early_inlinine): Make order garbage collected.
709 * Makefile.in (gt-ipa-inline): New garbagecollected file.
711 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
713 * dbxout.c (output_types_sort): Add a comment.
714 (output_used_types): Free the VEC.
716 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
718 * function.c (reorder_fix_fragments): Delete.
719 (reorder_blocks): Don't call it.
720 (reorder_blocks_1): Put all subblocks under the origin block.
722 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
724 PR rtl-optimization/27907
725 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
726 FLOAT_TRUNCATE.
728 2006-07-25 Roger Sayle <roger@eyesopen.com>
730 PR middle-end/28473
731 * convert.c (convert_to_integer): When transforming (T)foo(x) into
732 bar(x) check that bar's result type can represent all the values of T.
734 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
736 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
738 2006-07-25 Nick Clifton <nickc@redhat.com>
740 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
741 size_lookup[] array.
742 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
743 (ggc_pch_count_object): Likewise.
744 (ggc_pch_alloc_object): Likewise.
745 (ggc_pch_write_object): Likewise.
746 (init_ggc): Do not attempt to initialize entries in the
747 size_lookup[] array for objects whose size is greater than than
748 the length of the array.
750 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
752 * dbxout.c (output_used_types_helper): Push queued types
753 on a VEC.
754 (output_types_sort): New.
755 (output_used_types): Collect used types on a VEC and sort them
756 before emission.
758 2006-07-24 Richard Guenther <rguenther@suse.de>
760 PR middle-end/28463
761 * cgraph.c (cgraph_remove_node): Do not check if dumps
762 are enabled.
763 * cgraphunit.c (cgraph_optimize): Likewise.
765 2006-07-24 Jan Hubicka <jh@suse.cz>
767 PR rtl-optimization/28071
768 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
769 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
770 splitting before first stmt.
772 2006-07-24 Jan Hubicka <jh@suse.cz>
774 PR rtl-optimization/28071
775 * ipa-inline.c (update_caller_keys): Remove edges that
776 are no longer inline candidates.
778 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
780 PR debug/27473
781 * dbxout.c (output_used_types_helper, output_used_types): New.
782 (dbxout_symbol): Call output_used_types.
784 2006-07-23 Jan Hubicka <jh@suse.cz>
786 PR c/25795
787 PR c++/27369
788 * cgraph.c (cgraph_varpool_nodes): Export.
789 (decide_is_variable_needed): Ignored "used" attribute in
790 unit-at-a-time mode.
791 * cgraph.h (cgraph_varpool_nodes): Declare.
792 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
793 unit-at-a-time mode.
795 2006-07-23 Roger Sayle <roger@eyesopen.com>
797 PR target/28247
798 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
799 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
800 the __gthrw form of thr_keycreate.
801 (__gthread_key_delete): Silence the unused argument warning.
803 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
805 PR debug/25468
806 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
807 Cache the last found '\0' marker to avoid quadratic behavior.
809 2006-07-23 Jan Hubicka <jh@suse.cz>
811 * i386.md (subsi_3_zext): Fix output template.
813 2006-07-21 Mike Stump <mrs@apple.com>
815 * doc/invoke.texi (C++ Dialect Options): Note that
816 -fvisibility-inlines-hidden doesn't affect explicitly
817 instantiationed inline methods.
819 2006-07-20 Roger Sayle <roger@eyesopen.com>
821 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
822 if the target assembler is GNU binutils' gas.
823 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
824 whether to pass GNU gas or native as command line options.
826 2006-07-20 Jason Merrill <jason@redhat.com>
828 * tree.c (remove_attribute): New fn.
829 * tree.h: Declare it.
831 2006-07-20 Paul Brook <paul@codesourcery.com>
833 PR 27363
834 * cse.c (cse_insn): Add destination addresses to hash table. Check if
835 they are invalidated by this instruction.
837 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
839 PR target/28427
840 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
842 2006-07-20 Eric Christopher <echristo@apple.com>
844 PR target/26877
845 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
847 2006-07-19 Eric Christopher <echristo@apple.com>
849 * config/t-slibgcc-darwin (stmp-lipo): Remove.
850 Rewrite dependencies for libgcc_s.1.dylib.
852 2006-07-19 Jakub Jelinek <jakub@redhat.com>
854 * except.c (duplicate_eh_regions_1): Clear next_peer.
856 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
858 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
859 -mlongcall does not guarantee all calls will be long.
860 * doc/extend.texi (long_call/short_call): Document that longcall
861 does not guarantee a long call will be used.
862 (longcall/shortcall): Likewise.
864 2006-07-18 Roger Sayle <roger@eyesopen.com>
866 PR middle-end/28283
867 * expmed.c (expand_shift): Additionally check that the shift_cost
868 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
869 before implementing a LSHIFT_EXPR as a sequence of additions.
870 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
871 middle-end that DImode shifts need to be synthesized by expand.
873 2006-07-18 Diego Novillo <dnovillo@redhat.com>
875 PR 28410
876 * tree-ssa-operands.c (access_can_touch_variable): Update
877 comment.
878 Return true if ALIAS is .GLOBAL_VAR.
880 2006-07-18 David Daney <ddaney@avtrex.com>
882 * gcc.c (display_help): Fix typo in help text.
884 2006-07-18 Olivier Hainque <hainque@adacore.com>
886 * tree.h (categorize_ctor_elements): Adjust prototype and add
887 descriptive comment, both in accordance with the interface change
888 described below.
889 * varasm.c (constructor_static_from_elts_p): New function.
890 Whether a constructor node is a valid static constant initializer
891 if all its elements are.
892 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
893 * output.h: Declare it.
894 * expr.c (categorize_ctor_elements_1): Return whether the constructor
895 is a valid constant initializer instead of computing the number of
896 non-constant elements. Use constructor_static_from_elts_p for this
897 purpose. Replace the head comment with an indication that this is a
898 helper for categorize_ctor_elements.
899 (categorize_ctor_elements): Same interface change as for the _1
900 helper. Former head comment from this helper moved here, adjusted to
901 account for the interface changes.
902 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
903 (all_zeros_p): Likewise.
904 * gimplify.c (gimplify_init_constructor): Decide whether we can make
905 static versions of the constructor from the categorize_ctor_elements
906 return value instead of the formerly computed number of non-constant
907 elements.
909 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
911 * configure: Regenerate.
912 * Makefile.in (build_libsubdir): New configure substitution
913 (build_libobjdir): New variable.
914 (BUILD_LIBIBERTY): Use it.
916 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
918 PR c/28286
919 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
921 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
923 PR c/26993
924 * c-common.c (handle_weakref_attribute): Ignore attribute in
925 the same conditions the alias attribute is ignored.
927 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
929 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
930 (dbxout_begin_prologue): Increment scope_labelno.
932 2006-07-17 Richard Henderson <rth@redhat.com>
934 PR 27889
935 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
936 if needed.
938 2006-07-17 Roger Sayle <roger@eyesopen.com>
939 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
941 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
942 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
943 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
944 functions such as sbrk, write, etc.. Add function prototypes.
945 Convert function declarations from K&R to ISO C. Cast pointers
946 to "long" and "unsigned long" instead of "int" and "unsigned int".
947 Convert tokens following #endif into comments.
949 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
951 * invoke.texi: Remove mention of f77; Reformat table for
952 inline parameter options correctly; mention that -malign-double
953 is default on x86-64 targets.
955 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
957 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
958 (convert_affine_scev, chrec_convert_aggressive): Use
959 avoid_arithmetics_in_type_p. Do not check for the subtypes
960 separately.
962 2006-07-17 Richard Sandiford <richard@codesourcery.com>
964 PR middle-end/28403
965 * optabs.c (expand_doubleword_shift): Wrap the call to
966 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
968 2006-07-17 Richard Sandiford <richard@codesourcery.com>
970 PR middle-end/28402
971 * optabs.c (expand_binop): Pass next_methods rather than methods
972 to expand_doubleword_shift.
974 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
976 PR other/28251
977 * tree.h (dump_addr): Declare.
978 * print-tree.c (dump_addr): New function.
979 (print_node_brief, print_node): Use it.
980 * print-rtl.c (print_rtx): Likewise.
981 * common.opt (-fdump-noaddr): New option.
982 * doc/invoke.texi (-fdump-noaddr): Document.
983 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
984 (ve_info_hash): Likewise.
986 2006-07-13 Andrew Haley <aph@redhat.com>
988 PR tree-optimization/19505
989 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
990 edge leaving this block, make sure that the destination of this
991 block has only one predecessor.
993 2006-07-17 Richard Guenther <rguenther@suse.de>
995 PR tree-optimization/28238
996 * tree-inline.c (copy_bb): Check if we produced valid
997 gimple copying and substituting a stmt. If not, gimplify
998 it.
1000 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1002 * optabs.c (maybe_encapsulate_block): New function extracted from...
1003 (emit_libcall_block): ...here. Invoke it on the block of insns to
1004 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1005 (emit_no_conflict_block): Likewise.
1007 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1009 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1011 2006-07-15 Roger Sayle <roger@eyesopen.com>
1013 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1014 a new NOP_EXPR case of the switch statement.
1016 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1018 PR middle-end/28160
1019 * stor-layout.c (place_field): Take the bit field with
1020 an excessive size into account in the ms-bitfiled case.
1022 PR middle-end/28161
1023 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1024 the previous bit field.
1026 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1028 PR target/27287
1029 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1031 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1033 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1034 signal frames correctly even when the signal was installed with
1035 sa_restorer set.
1037 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1039 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1040 (dbxout_function_end): Use local label LFBB. Remove hook
1041 DBX_OUTPUT_NFUN.
1042 (dbxout_source_line): Use local label LFBB.
1043 (dbxout_block): Likewise.
1044 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1045 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1046 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1047 and DBX_OUTPUT_NFUN.
1049 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1051 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1053 2006-07-13 Jan Hubicka <jh@suse.cz>
1055 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1056 align_variable.
1057 * output.h (align_variable): Declare.
1058 * varasm.c (align_variable): Export.
1059 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1060 when basic block changed.
1062 2006-07-13 Nick Clifton <nickc@redhat.com>
1064 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1065 walking the LOG_LINKS chain.
1067 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1069 * doc/invoke.texi (C++ Dialect Options): Explain difference
1070 between -fvisibility-inlines-hidden and setting hidden
1071 visibility explicitly.
1073 2006-07-12 Eric Christopher <echristo@apple.com>
1075 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1076 (stmp-lipo): Depend on libgcc.a.
1078 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1080 * tree.c: Fix a comment typo.
1082 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1084 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1085 dest.
1086 (umulhisi3_r): Likewise.
1088 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1090 PR libstdc++/27878
1091 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1092 x < 19, vs wchar_t support.
1094 2006-07-12 Nick Clifton <nickc@redhat.com>
1096 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1097 instead of -isa=sh4.
1099 2006-07-12 Mike Stump <mrs@apple.com>
1101 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1103 2006-07-10 Eric Christopher <echristo@apple.com>
1105 * config/t-slibgcc-darwin: Rewrite.
1107 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1109 PR bootstrap/20437
1110 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1111 dependencies.
1113 2006-07-08 Matthias Klose <doko@debian.org>
1115 * doc/sourcebuild.texi: Fix typo.
1117 2006-07-07 Mike Stump <mrs@apple.com>
1119 * toplev.c (process_options): Don't give -ffunction-sections may
1120 affect debugging warning for Mach-O.
1122 2006-07-07 James E Wilson <wilson@specifix.com>
1124 * config/mips/mips.md (cpu): Add sb1a.
1125 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1126 addition to sb1. Adjust comments to clarify SB-1A differences from
1127 SB-1.
1128 (ir_sb1a_load): New. Modify bypasses to use it.
1129 (ir_sb1a_simple_alu): Likewise.
1130 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1131 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1132 (mips_issue_rate): Add PROCESSOR_SB1A.
1133 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1134 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1135 (TARGET_SB1): Add PROCESSOR_SB1A check.
1136 (TUNE_SB1): Likewise.
1138 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1139 * config/mips/mips.c (mips_store_data_bypass_p): New.
1140 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1141 store_data_bypass_p.
1143 2006-07-08 Paul Brook <paul@codesourcery.com>
1145 PR target/27991
1146 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1148 2006-07-07 Richard Guenther <rguenther@suse.de>
1150 PR middle-end/28268
1151 * tree.h (build_one_cst): Declare.
1152 * tree.c (build_one_cst): New function.
1153 * tree-ssa-math-opts.c (get_constant_one): Remove.
1154 (insert_reciprocals): Use build_one_cst.
1155 * fold-const.c (fold_plusminus_mult): Likewise.
1157 2006-07-07 Roger Sayle <roger@eyesopen.com>
1159 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1160 * cfgloopanal.c (dump_graph): Likewise.
1161 * dojump.c (discard_pending_stack_adjust): Likewise.
1162 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1163 Likewise.
1164 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1165 * function.c (finalize_block_changes): Likewise.
1166 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1167 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1168 * rtl.c (dump_rtx_statistics): Likewise.
1169 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1170 Likewise.
1171 * varray.c (dump_varray_statistics): Likewise.
1172 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1173 decode_decimal64, encode_decimal128, decode_decimal128,
1174 decimal_real_to_decimal): Likewise.
1176 2006-07-07 Richard Guenther <rguenther@suse.de>
1178 PR tree-optimization/28187
1179 * tree-vrp.c (vrp_operand_equal_p): New function.
1180 (vrp_bitmap_equal_p): Likewise.
1181 (update_value_range): Use them to compare old and new
1182 max and min values.
1184 2006-07-06 Roger Sayle <roger@eyesopen.com>
1186 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1187 a default case to switch statement to silence compiler warnings.
1189 2006-07-06 Roger Sayle <roger@eyesopen.com>
1191 PR target/27968
1192 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1193 the configured assembler supports the x87's ffreep mnemonic.
1194 * configure: Regenerate.
1195 * config.in: Regenerate.
1197 * config/i386/i386.c (output_387_ffreep): New function.
1198 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1199 (output_387_reg_move): Likewise.
1201 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1203 Port to hosts whose 'sort' and 'tail' implementations
1204 treat operands with leading '+' as file names, as POSIX
1205 has required since 2001. However, make sure the code still
1206 works on pre-POSIX hosts.
1207 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1208 which says you should use "tail -c +N" rather than "tail +Nc".
1209 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1211 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1213 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1214 argument name.
1216 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1218 PR target/28150
1219 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1220 PRE_{INC,DEC} of TFmode.
1222 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1223 Alan Modra <amodra@bigpond.net.au>
1225 PR target/28170
1226 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1227 bounds. Simplify.
1229 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1231 PR target/28285
1232 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1233 Remove duplicate gtu.
1235 2006-07-05 Jason Merrill <jason@redhat.com>
1237 PR c++/13983
1238 PR c++/17519
1239 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1240 * c-common.c (handle_packed_attribute): So don't copy it here.
1241 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1243 2006-07-05 Mike Stump <mrs@apple.com>
1245 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1247 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1249 PR target/26146
1250 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1252 2006-07-05 Richard Guenther <rguenther@suse.de>
1254 PR target/28158
1255 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1256 TARGET_SSE2 targets if using SSE math.
1257 (*absdf2_1): Likewise.
1259 2006-07-05 Richard Guenther <rguenther@suse.de>
1261 PR tree-optimization/28162
1262 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1263 make sure to convert the operands to the correct type.
1265 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1267 PR tree-optimization/28218
1269 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1270 to calculate and free the dominator information.
1272 2006-07-04 Peter O'Gorman <peter@pogma.com>
1274 * mklibgcc.in: chmod 644 before ranlib during install.
1276 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1277 J"orn Rennecke <joern.rennecke@st.com>
1279 * configure.ac (.eh_frame data check): Use diff -b.
1281 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1283 PR bootstrap/18058
1284 * Makefile.in (BUILD_RTL): Add build/vec.o.
1285 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1286 (build/genextract): Delete.
1287 (build/genautomata): Likewise.
1289 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1291 PR target/28207
1292 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1293 128-bit IBM long doubles for ABI_V4.
1295 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1297 * tree.c (range_in_array_bounds_p): New predicate.
1298 * tree.h (range_in_array_bounds_p): Declare it.
1299 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1300 return a less conservative answer.
1301 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1302 and flag 'is_group'.
1303 (IS_ELEMENT_FOR_GROUP): New macro.
1304 (FOR_EACH_ACTUAL_CHILD): Likewise.
1305 (next_child_for_group): New helper function.
1306 (can_completely_scalarize_p): Take into account groups.
1307 (sra_hash_tree): Handle RANGE_EXPR.
1308 (sra_elt_eq): Likewise.
1309 (lookup_element): Be prepared for handling groups.
1310 (is_valid_const_index): Delete.
1311 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1312 instead of is_valid_const_index.
1313 <ARRAY_RANGE_REF>: New case.
1314 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1315 is_valid_const_index.
1316 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1317 (scan_dump): Dump info for groups too.
1318 (decide_instantiation_1): Likewise.
1319 (decide_block_copy): Assert that the element is not a group.
1320 Propagate decision to groups.
1321 (generate_one_element_ref): Handle RANGE_EXPR.
1322 (mark_no_warning): Iterate over actual childs.
1323 (generate_copy_inout): Likewise.
1324 (generate_element_copy): Likewise.
1325 (generate_element_zero): Likewise.
1326 (generate_element_init_1): Likewise.
1327 (dump_sra_elt_name): Handle RANGE_EXPR.
1329 2006-07-03 Roger Sayle <roger@eyesopen.com>
1331 PR tree-optimization/26251
1332 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1333 (thread_block): When optimizing for size refuse to thread jumps
1334 that would require duplication of blocks other than redirection
1335 blocks.
1337 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1339 * configure.ac: Fix thinko in previous check-in.
1340 * configure: Regenerate.
1342 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1344 PR other/27063
1345 * configure.ac (for lang...): Simplify nesting of conditionals.
1346 Test subdir_requires for non-enabled languages. Move processing
1347 of lang_opt_files and lang_tree_fiels below that test.
1348 * configure: Regenerate.
1349 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1351 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1353 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1355 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1357 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1358 comment typos.
1360 2006-06-29 Jason Merrill <jason@redhat.com>
1362 PR c++/26905
1363 PR c++/26612
1364 PR c++/27000
1365 PR c++/26984
1366 PR c++/19134
1367 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1368 * c-common.c (c_determine_visibility): Handle it here.
1369 * c-decl.c (finish_decl): Call c_determine_visibility for
1370 functions, too.
1371 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1372 * tree.h: Likewise.
1373 * varasm.c (default_assemble_visibility): Likewise.
1374 * c-common.c (handle_visibility_attribute): Complain about trying
1375 to give visibility to an already defined class, or trying to change
1376 declared visibility. Always attach the attribute.
1378 PR c++/26905
1379 PR c++/21675
1380 PR c++/17470
1381 * attribs.c (decl_attributes): Ignore type-in-place attributes
1382 once the type has been defined.
1384 2006-06-29 Roger Sayle <roger@eyesopen.com>
1386 PR middle-end/27428
1387 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1388 to indicate the cpplib has issued an error message for us.
1390 2006-06-29 Asher Langton <langton2@llnl.gov>
1392 PR target/25765
1393 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1394 insert a label at the end of an function under Mach-O.
1396 2006-06-29 Eric Christopher <echristo@apple.com>
1397 Evan Cheng <evan.cheng@apple.com>
1399 * predicates.md (vector_all_ones_operand): New.
1400 (nonimmediate_or_sse_const_operand): Ditto.
1401 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1402 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1403 (standard_sse_mode_p): Ditto.
1404 (standard_sse_constant_p): Add case for -1 vector.
1405 (ix86_expand_vector_move): Try to use.
1406 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1407 Call standard_sse_constant_opcode.
1408 (*movv4sf_internal): Ditto.
1409 (*movv2df_internal): Ditto.
1411 2006-06-29 Roger Sayle <roger@eyesopen.com>
1413 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1414 of XEXP to extract the operands of a MATCH_CODE rtx.
1416 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1418 * tree.c (tree_size): Do not waste tail padding in
1419 struct tree_string and make the size be the same as
1420 build_string will generate.
1422 2006-06-28 Jason Merrill <jason@redhat.com>
1424 PR c++/27768
1425 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1426 may_aliases already in the tag's annotations to the bitmap.
1428 2006-06-28 Roger Sayle <roger@eyesopen.com>
1430 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1432 2006-06-28 Roger Sayle <roger@eyesopen.com>
1434 * genpreds.c (generate_switch_p): New function.
1435 (add_mode_tests): Push the new mode test down inside an AND expr
1436 if this allows the switch-suitable MATCH_CODE to be near the root.
1437 (write_match_code_switch): New function to write a MATCH_CODE as
1438 a switch statement.
1439 (write_predicate_stmts): New function to write a predicate RTX
1440 expression as a sequence of statements.
1441 (write_one_predicate_function): Use write_predicate_stmts.
1442 (write_tm_constrs_h): Likewise.
1444 2006-06-26 Fred Fish <fnf@specifix.com>
1446 * config/mips/t-sb1: New file.
1447 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1448 tmake_file list.
1450 2006-06-26 DJ Delorie <dj@redhat.com>
1452 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1454 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1455 Jayant Sonar <jayants@kpitcummins.com>
1456 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1458 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1459 (subsi3, subsi3_1, subsi3_2): New.
1460 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1461 * config/m32c/mov.md (SI mov peephole): New.
1462 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1463 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1465 2006-06-26 Olivier Hainque <hainque@adacore.com>
1467 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1468 a CALL_EXPR target function declaration.
1470 2006-06-26 Richard Guenther <rguenther@suse.de>
1472 * tree.c (build_string): Do not waste tail padding in
1473 struct tree_string.
1475 2006-06-26 Richard Guenther <rguenther@suse.de>
1477 * ggc-page.c (init_ggc): Add missing element to size_lookup
1478 table.
1480 Revert
1481 2006-06-23 Richard Guenther <rguenther@suse.de>
1483 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1484 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1485 alignment requests instead. Add verification code.
1486 Add struct tree_function_decl and struct tree_binfo size to
1487 extra_order_size_table. Add missing element to size_lookup
1488 table.
1490 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1492 PR middle-end/28151
1493 * fold-const.c (const_binop): Be prepared for self returning zero.
1494 Simplify code handling complex values.
1496 2006-06-24 Olivier Hainque <hainque@adacore.com>
1498 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1499 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1500 aggregate types.
1502 2006-06-24 Olivier Hainque <hainque@adacore.com>
1504 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1505 ARRAY_REF, so have the callback called for the low bound expression.
1507 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1509 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1510 * c-typeck.c (c_common_type): Disallow operations on decimal float
1511 types and other float types.
1512 * convert.c (convert_to_real): Don't ignore conversions involving
1513 decimal float types.
1515 2006-06-23 Olivier Hainque <hainque@adacore.com>
1517 * tree.c (max_int_size_in_bytes): New function, inspired from
1518 code in function.c:assign_temp.
1519 * tree.h (max_int_size_in_bytes): Declare.
1520 * function.c (assign_temp): Use it.
1521 * gimplify.c (create_tmp_var): Relax the assertions on the type
1522 properties, not mandating constant size any more.
1523 (force_constant_size): New static function.
1524 (gimple_add_tmp_var): Use it, forcing variable size to a
1525 constant upper bound if it is not constant on entry.
1527 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1529 PR target/27789
1530 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1531 for initialization and setting of one_only flag to ...
1532 (i386_pe_encode_section_info): ...here.
1533 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1534 Recheck that the symbol has not been defined.
1536 2006-06-23 Richard Guenther <rguenther@suse.de>
1538 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1539 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1540 alignment requests instead. Add verification code.
1541 Add struct tree_function_decl and struct tree_binfo size to
1542 extra_order_size_table. Add missing element to size_lookup
1543 table.
1545 2006-06-22 Roger Sayle <roger@eyesopen.com>
1546 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1548 PR middle-end/28131
1549 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1550 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1552 2006-06-23 Ben Elliston <bje@au.ibm.com>
1554 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1555 negate dn -- manipulate it directly.
1557 2006-06-22 Roger Sayle <roger@eyesopen.com>
1558 Steven Bosscher <stevenb.gcc@gmail.com>
1560 PR target/27531
1561 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1562 generated by gen_move_insn to add REG_LABEL notes if necessary.
1564 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1566 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1567 (leaf_entry): Remove use of MIN_ESA.
1569 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1571 PR rtl-optimization/28121
1572 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1573 the entry edge.
1575 2006-06-21 DJ Delorie <dj@redhat.com>
1577 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1578 (TN-16C-A156A/E).
1579 (mulhisi3_r): Likewise.
1581 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1583 PR middle-end/28034
1584 * coverage.c (coverage_counter_alloc): Leave the index type
1585 unspecified.
1586 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1587 of the ARRAY_REF.
1589 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1591 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1592 section from the "Options for Code Generation Conventions".
1594 2006-06-21 Richard Henderson <rth@redhat.com>
1596 PR target/26347
1597 PR target/27082
1598 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1599 symbols.
1600 (global_symbolic_operand): Allow weak symbols, even if local_p.
1602 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1604 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1605 (find_interesting_uses_address): Punt if above function returns true.
1607 2006-06-21 Richard Guenther <rguenther@suse.de>
1609 * configure: Regenerated.
1611 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1613 * config/mips/mips.c (function_arg): Where one part of a
1614 complex argument is in registers and the other part in the stack,
1615 return a REG not a PARALLEL.
1617 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1619 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1620 when cross-compiling. Do not substitute libstdcxx_incdir.
1621 * configure: Regenerated.
1623 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1625 * varasm.c (mergeable_string_section): Check for embedded NULs and
1626 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1627 rather than TREE_STRING_LENGTH bytes.
1629 2006-06-21 Richard Guenther <rguenther@suse.de>
1631 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1632 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1633 sizes.
1635 2006-06-21 Richrad Guenther <rguenther@suse.de>
1637 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1638 Limit iteration over the dominators.
1640 2006-06-20 Roger Sayle <roger@eyesopen.com>
1642 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1643 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1645 2006-06-20 Richard Guenther <rguenther@suse.de>
1646 Michael Matz <matz@suse.de>
1648 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1649 function.
1650 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1651 * et-forest.h (et_free_pools): Prototype new function.
1652 * et-forest.c (et_free_tree_force): Free parent occurrence.
1653 (et_free_pools): New function.
1654 * dominance.c (free_dominance_info): Free et-forest alloc
1655 pools.
1657 2006-06-20 Roger Sayle <roger@eyesopen.com>
1659 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1660 integer modes, attempt to directly construct an integer constant.
1662 * fold-const.c (native_encode_vector): Determine the size of each
1663 element from the vector type instead of the first vector element.
1665 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1666 if all of its elements/components are constant.
1667 (build_constructor_from_list): Likewise.
1669 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1671 PR tree-optimization/27331
1672 * tree-data-ref.c (free_data_ref): New function.
1673 (create_data_ref): Fail if the data reference has unknown access
1674 function.
1675 (free_data_refs): Use free_data_ref.
1677 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1679 PR middle-end/28075
1680 * tree-inline.c (setup_one_parameter): Strip useless
1681 type conversion before adding it to the IR.
1682 (declare_return_variable): Likewise.
1684 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1686 PR c/27149
1687 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1689 2006-06-19 Mike Stump <mrs@apple.com>
1691 * tree.c (variably_modified_type_p): VM arguments don't make the
1692 type a VM type.
1694 2006-06-19 Richard Guenther <rguenther@suse.de>
1696 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1697 type conversions after folding.
1699 2006-06-19 Richard Guenther <rguenther@suse.de>
1701 * ggc-page.c (extra_order_size_tab): Add entries with
1702 size of struct function and basic_block.
1703 (size_lookup): Extend to cover sizes up to 511.
1704 (ggc_alloc_stat): Adjust user.
1705 (ggc_pch_count_object): Likewise.
1706 (ggc_pch_alloc_object): Likewise.
1707 (ggc_pch_write_object): Likewise.
1709 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1711 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1712 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1713 correctly.
1715 2006-06-19 Denis Chertykov <denisc@overta.ru>
1717 * config/avr/libgcc.S : Correct my wrong previous commit.
1719 2006-06-19 Roger Sayle <roger@eyesopen.com>
1721 PR target/27861
1722 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1723 have stripped a SUBREG from the shift count, so we may need to
1724 convert_to_mode back to the type's mode before calling make_tree.
1725 Use new_amount instead of amount to avoid expanding a tree twice.
1727 2006-06-19 Richard Guenther <rguenther@suse.de>
1729 PR middle-end/28045
1730 * fold-const.c (operand_equal_p): Check if the argument types
1731 have the same precision before stripping NOPs.
1733 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1735 Fix PR tree-optimization/27341
1736 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1737 statement we get.
1738 * tree-complex.c (pass_lower_complex): Update SMT usage.
1740 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1742 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1743 Add a new alternative to the constraint strings. Add move of
1744 operand 1 to 3 to the splitter definition.
1745 ("doloop_si_long"): Second contraint alternative removed.
1747 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1749 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1750 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1751 __AVR_HAVE_LPMX__.
1752 (AVR_HAVE_MOVW) Define.
1753 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1754 (ASM_SPEC): Add avr25.
1755 (LINK_SPEC): Add avr25.
1756 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1757 (base_arch_s): Add new member 'have_movw_lpmx'.
1758 (avr_arch_types): Init 'have_movw_lpmx'.
1759 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1760 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1761 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1762 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1763 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1764 AVR_HAVE_MOVW.
1765 (avr_file_start): Do not output '.arh' derective.
1766 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1767 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1768 * config/avr/avr.md (mcu_enhanced): Delete.
1769 (mcu_have_movw): Define.
1770 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1771 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1772 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1773 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1774 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1775 attiny861 and at86rf401 devices.
1777 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1779 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1780 of 4096.
1782 2006-06-17 Karl Berry <karl@gnu.org>
1784 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1785 doc/gccint.texi, doc/install.texi (@dircategory): Use
1786 "Software development" instead of "Programming", following
1787 the Free Software Directory.
1789 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1791 * config/i386/i386.c (legitimate_tls_address)
1792 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1793 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1794 (*tls_dynamic_gnu2_combine_64): Likewise.
1796 2006-06-16 Richard Guenther <rguenther@suse.de>
1798 PR middle-end/27116
1799 * fold-const.c (negate_expr_p): Do not introduce undefined
1800 overflow in negating INTEGER_CSTs.
1801 (fold_negate_expr): Rename from negate_expr. Revert last
1802 change for folding BIT_NOT_EXPR. Change semantics to
1803 return NULL_TREE for non-simplified negations. Do not
1804 strip type conversions and unify type handling.
1805 (negate_expr): New function, wrap around fold_negate_expr
1806 but ensure building a tree always. Strip type conversions
1807 here, fold to result type.
1808 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1810 2006-06-16 Roger Sayle <roger@eyesopen.com>
1812 PR middle-end/27802
1813 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1814 that (would) return their results in stack registers.
1816 2006-06-16 Michael Matz <matz@suse.de>
1817 Richard Guenther <rguenther@suse.de>
1819 * fold-const.c (fold_truthop): Only return new tree node if
1820 we canonicalized something.
1822 2006-06-16 Richard Guenther <rguenther@suse.de>
1824 * function.h (enum function_frequency): Move declaration
1825 out of struct function.
1826 (struct function): Move bool fields and the enum to the bitfield
1827 section. Reorder elements to avoid padding. Remove unused
1828 fields left over from the RTL inliner removal.
1829 * function.c (free_after_compilation): Do not zero removed fields.
1830 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1831 (ipa-type-escape.o): Likewise.
1833 2006-06-16 Richard Guenther <rguenther@suse.de>
1835 * cgraph.h (struct cgraph_local_info): Turn bool elements
1836 into a bitfield.
1837 (struct cgraph_node): Likewise.
1838 (struct cgraph_varpool_node): Likewise.
1840 2006-06-15 Richard Guenther <rguenther@suse.de>
1842 * fold-const.c (fold_truth_not_expr): Rename from
1843 invert_truthvalue. Give it fold_* semantics to avoid
1844 generating garbage.
1845 (invert_truthvalue): New function. Wrapper around
1846 fold_truth_not_expr.
1847 (optimize_minmax_comparison): Avoid creating garbage.
1848 (fold_unary): Use fold_truth_not_expr for folding
1849 TRUTH_NOT_EXPR.
1850 (fold_ternary): Replace uses of invert_truthvalue with
1851 fold_truth_not_expr where applicable.
1852 * tree.h (fold_truth_not_expr): Prototype.
1854 2006-06-16 Richard Guenther <rguenther@suse.de>
1856 PR tree-optimization/27781
1857 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1858 * ipa-pure-const.c (target.h): Include.
1859 (analyze_function): Do not analyze functions that do not
1860 bind locally.
1862 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1864 PR middle-end/27793
1865 * tree-dfa.c (referenced_vars_dup_list): Remove.
1866 (find_referenced_vars): Remove assert.
1867 (referenced_var_check_and_insert): Replace dup list with assert.
1868 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1869 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1871 2006-06-15 Richard Guenther <rguenther@suse.de>
1873 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1874 extra unused identifiers if not dumping.
1875 (create_variable_info_for): Likewise.
1877 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1879 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1880 (derive_constant_upper_bound): Derive more precise upper bound in
1881 common cases. Return type changed to double_int.
1882 (record_estimate): Reflect the changed return type of
1883 derive_constant_upper_bound.
1884 * double-int.c (double_int_zext, double_int_sext): Fix.
1886 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1888 * configure.ac (CFLAGS): Get them from the toplevel or from the
1889 configure invocation.
1890 * configure: Regenerate.
1891 * Makefile.in (CFLAGS): Substitute value provided by configure.
1893 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1895 PR c++/26559
1896 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1897 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1898 rather than calling add_stmt on it.
1899 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1901 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1903 PR middle-end/27959
1904 * reload1.c (reload): Remove registers returned by update_eliminables
1905 from used_spill_regs.
1907 2006-06-13 DJ Delorie <dj@redhat.com>
1909 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1911 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1913 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1914 html__strip_dir, html__mkdir_p. Enhance install-html target.
1915 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1916 * configure: Regenerate.
1918 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1920 * fold-const.c (fold_cond_expr_with_comparison): Check for
1921 Objective-C++ as language in deciding COND_EXPR transformation.
1923 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1925 PR target/28014:
1926 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1927 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1928 * config/sh/lib1funcs.h (SL, SL1): Define.
1929 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1930 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1931 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1932 (OBJS_Os_4_200): New variable.
1933 ($(T)libgcc-Os-4-200.a): Use it.
1934 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1935 when dividing 1 and/or by 0.
1937 2006-06-13 Roger Sayle <roger@eyesopen.com>
1939 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1940 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1941 * configure: Regenerate.
1943 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1945 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1946 for real instruction.
1948 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1950 PR middle-end/26807
1951 * haifa-sched.c (check_cfg): Handle special case.
1953 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1955 PR debug/26754
1956 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1957 Add debug_info parameter. Chain the vars to the BLOCK instead
1958 of the BIND_EXPR if debug info are requested for them.
1959 (pop_gimplify_context): Adjust for above change.
1960 (gimple_add_tmp_var): Likewise.
1961 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1962 Add bool parameter.
1963 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1964 (convert_local_reference): Likewise.
1965 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1966 (finalize_nesting_tree_1): Request that debug info be emitted
1967 for debug_var_chain.
1969 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1971 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1972 for PR target/27863.
1974 2006-06-13 Richard Guenther <rguenther@suse.de>
1976 PR middle-end/27536
1977 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1979 2006-06-13 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/27830
1982 * tree-inline.c (copy_body_r): For copying the operand
1983 of an ADDR_EXPR make sure to fold &* afterwards.
1985 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1987 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1988 lvalues in the fb_none case with side-effects.
1990 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1992 * tree-flow.h: Remove the prototype for
1993 compute_phi_arg_on_exit.
1994 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1995 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1996 Remove.
1998 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2000 * builtins.c (expand_builtin_return_addr): Only use
2001 frame_pointer_rtx when count == 0 and we are expanding
2002 __builtin_return_address.
2004 2006-06-12 Fred Fish <fnf@specifix.com>
2006 * config/mips/mips.c (mips_file_start): Create special section
2007 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2009 2006-06-11 Eric Christopher <echristo@apple.com>
2011 PR middle-end/27948
2012 * stor-layout.c (place_field): Remove check for
2013 remaining_in_alignment when aligning at the end of a run.
2015 2006-06-11 Eric Christopher <echristo@apple.com>
2017 PR 27542
2018 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2019 pragma.
2021 2006-06-11 Roger Sayle <roger@eyesopen.com>
2023 PR target/27858
2024 Revert incorrect fix for PR target/27158
2025 2006-05-08 Roger Sayle <roger@eyesopen.com>
2026 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2027 of a reg_equiv_constant if the result is a legitimate constant.
2029 2006-06-11 Roger Sayle <roger@eyesopen.com>
2031 PR target/27158
2032 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2033 extract a CONST_VECTOR element and interpret it as an integer.
2034 (vspltis_constant): Use const_vector_elt_as_int instead of the
2035 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2036 * config/rs6000/predicates.md (easy_vector_const): Consider
2037 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2039 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2041 PR middle-end/27942
2042 * stor-layout.c (update_alignment_for_field): Don't add extra
2043 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2044 code.
2046 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2048 * config/mips/t-rtems: Add EL/EB multilib variants.
2050 2006-06-09 Mike Stump <mrs@apple.com>
2052 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2054 2006-06-09 David Daney <ddaney@avtrex.com>
2056 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2058 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2060 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2062 2006-06-09 Richard Guenther <rguenther@suse.de>
2064 PR tree-optimization/26998
2065 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2066 of signed types, only TYPE_MIN_VALUE is special, but for both,
2067 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2068 in this case, as is -fwrapv.
2070 2006-06-08 Mike Stump <mrs@apple.com>
2072 PR target/26427
2073 * config/darwin.c (darwin_asm_output_anchor): Disable
2074 -fsection-anchors on darwin for now.
2075 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2076 * rs6000/rs6000.c (optimization_options): Likewise.
2078 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2080 PR target/27421
2081 * config/i386/i386.c (classify_argument): Skip fields with invalid
2082 types in unions.
2084 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2086 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2087 (cse_insn): Likewise for the stack_pointer_rtx.
2089 2006-06-08 Roger Sayle <roger@eyesopen.com>
2091 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2092 conditions from floating point comparisons.
2094 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2096 PR middle-end/27733
2097 * expmed.c (struct alg_hash_entry): Fix type of field T
2098 to match synth_mult argument.
2099 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2101 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2103 PR target/27863
2104 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2105 block boundaries.
2107 2006-06-08 Richard Guenther <rguenther@suse.de>
2109 PR middle-end/27116
2110 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2111 only, if overflow is defined and not trapping.
2112 (negate_expr): Likewise.
2114 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2116 PR tree-optimization/27872
2117 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2118 flag on the new exit edge of the unrolled loop.
2120 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2122 PR rtl-optimization/26449
2123 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2125 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2127 PR middle-end/27793
2128 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2129 referenced_variables with matching DECL_UID's.
2130 (find_referenced_vars): Make sure duplicate list is empty to start.
2131 (referenced_var_p): Remove.
2132 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2133 Check if var is in the list, and add if needed. Update the duplicate
2134 list if a different var is in the list with the same DECL_UID.
2135 (add_referenced_var): Call routine to check and insert.
2136 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2137 * tree-flow.h (referenced_vars_dup_list): External declaration.
2139 2006-06-07 Fred Fish <fnf@specifix.com>
2141 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2142 into single entry.
2144 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2146 PR target/27390
2147 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2148 the imaginary and real parts of a clobbered register.
2149 Emit insn to set the imaginary part.
2151 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2153 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2154 in lieu of unwind-dw2-fde.c.
2156 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2158 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2160 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2162 PR target/27842
2163 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2164 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2165 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2166 V4SImode temporaries and operations instead.
2168 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2170 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2171 dp-bit.c.
2173 2006-06-06 Mike Stump <mrs@apple.com>
2175 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2176 installing during build.
2178 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2180 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2181 value to 0.
2182 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2183 * config/ia64/ia64.c (params.h): New header.
2184 (ia64_optimization_options): New function to adjust parameters.
2185 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2186 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2187 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2189 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2191 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2193 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2195 PR target/27051
2196 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2198 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2199 Victor Kaplansky <victork@il.ibm.com>
2201 PR tree-optimization/26360
2202 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2203 stmts.
2205 2006-06-04 Roger Sayle <roger@eyesopen.com>
2206 Andrew Pinski <pinskia@physics.uc.edu>
2208 PR middle-end/27382
2209 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2210 for LABEL_DECL before calling DECL_WEAK.
2212 PR c/27150
2213 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2214 LABEL_DECL and PARM_DECL.
2216 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2218 PR c/25161
2219 PR c/27020
2220 * c-decl.c (grokdeclarator): Disallow variably modified types at
2221 file scope. Avoid marking shared array type of constant size as
2222 VLA.
2224 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2226 PR c++/27601
2227 * c-common.c (fold_offsetof_1): Handle static members.
2229 2006-06-04 Eric Christopher <echristo@apple.com>
2231 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2232 (debug_rli): Output value for remaining_in_alignment.
2233 (update_alignment_for_field): Unconditionalize
2234 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2235 extra alignment code.
2236 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2237 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2238 * tree.h (record_layout_info_s): Remove prev_packed.
2239 * doc/extend.texi (ms_struct): Add documentation of format.
2241 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2243 * tree.h: Declare folding_initializer.
2244 * builtins.c (fold_builtin_constant_p): Give definite answer
2245 if folding inside an initializer.
2246 * fold-const.c: Define folding_initializer.
2247 (START_FOLD_INIT): Save and then set folding_initializer.
2248 (END_FOLD_INIT): Restore folding_initializer.
2250 2006-06-04 Richard Guenther <rguenther@suse.de>
2252 PR tree-optimization/27039
2253 * fold-const.c (fold_comparison): Handle pointer comparison
2254 again for all comparison codes. Compare offsets in signed
2255 size type.
2256 (fold_binary): Move code from here.
2258 2006-06-03 Roger Sayle <roger@eyesopen.com>
2260 PR target/26223
2261 * config/i386/i386.c (construct_container): Split static issued_error
2262 flag into issued_sse_arg_error, issued_sse_ret_error and
2263 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2264 requires the use of x87 registers and the user explicitly
2265 specified the -mno-80387 command line option.
2267 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2269 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2270 HAVE_DECL_SIGALTSTACK.
2271 (MC_FLD): New.
2272 (segv_handler): Use MC_FLD.
2273 * configure.ac: Check for a sigaltstack declaration.
2274 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2275 * configure: Regenerate.
2276 * config.in: Regenerate.
2278 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2280 PR other/27850
2281 * Makefile.in (stmp-fixinc): Fix typo.
2283 2006-06-02 Roger Sayle <roger@eyesopen.com>
2285 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2286 are type correct. Clean-up.
2287 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2288 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2290 2006-06-01 DJ Delorie <dj@redhat.com>
2292 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2293 shift, as we've disabled the "switch" insn that needs it.
2295 2006-06-01 Per Bothner <bothner@bothner.com>
2297 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2298 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2299 * c-ppoutput.c (cb_define): Don't increment line 0.
2301 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2303 * doc/invoke.texi: Add cpu_type power6.
2304 * config.gcc: Add cpu_type power6.
2305 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2306 to power5+ with Altivec.
2307 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2308 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2310 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2312 * config/avr/avr.h (SET_ASM_OP): Define.
2314 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2316 * config/bfin/bfin.c: Fix comment typos.
2318 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2320 PR 25453
2321 * doc/install.texi: Document --enable-bootstrap and
2322 --disable-bootstrap.
2324 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2326 * doc/install.texi: Document that InfoZIP can replace jar.
2328 2006-05-31 Roger Sayle <roger@eyesopen.com>
2330 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2331 isn't available, directly generate the simpler x87 patterns without
2332 the (use (const_int 0)).
2333 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2334 implementation isn't available.
2335 (*negdf2_1): Likewise.
2336 (*negxf2_1): XF mode negation is always done using the x87.
2337 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2339 2006-05-31 Roger Sayle <roger@eyesopen.com>
2341 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2342 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2343 cabs(z).
2344 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2346 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2348 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2349 * config/bfin/bfin.c (basic-block.h): Include.
2350 (struct machine_function): New.
2351 (bfin_init_machine_status): New.
2352 (override_options): Initialize init_machine_status.
2353 (bfin_hardware_loop): New.
2354 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2355 (DEF_VEC_P (loop_info)): New.
2356 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2357 (struct loop_info): New.
2358 (loop_info): New typedef.
2359 (struct loop_work): New.
2360 (loop_work): New typedef.
2361 (DEF_VEC_O (loop_work)): New.
2362 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2363 (bfin_dump_loops): New.
2364 (bfin_bb_in_loop): New.
2365 (bfin_scan_loop): New.
2366 (bfin_optimize_loop): New.
2367 (bfin_reorg_loops): New.
2368 (bfin_reorg): Use bfin_reorg_loops.
2369 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2370 loop registers.
2371 (I_REGNO_P): Simplify.
2372 (DP_REGNO_P, DPREG_P): New macros.
2373 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2374 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2375 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2376 Add LT_REGS, LC_REGS, LB_REGS.
2377 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2378 'l' for LB_REGS.
2379 (REGNO_REG_CLASS): Deal with loop registers.
2380 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2381 letters.
2382 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2383 New constants for loop registers.
2384 (UNSPEC_LSETUP_END): New.
2385 (seq_insns): New define_attr. Set it for appropriate insns.
2386 (movsi_insn): Add alternatives for move from/to
2387 loop count registers.
2388 (doloop_end): New define_expand.
2389 (loop_end): New define_insn.
2390 (define_split for bad doloop_end): New.
2391 (lsetup_with_autoinit): New define_insn.
2392 (lsetup_without_autoinit): New define_insn.
2393 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2394 * config/bfin/predicates.md (lc_register_operand): New.
2395 (lt_register_operand): New.
2396 (lb_register_operand): New.
2397 (nondp_register_operand): New.
2398 (nondp_reg_or_memory_operand): New.
2399 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2401 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2403 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2404 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2406 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2408 * Makefile.in (CATALOGS): Add po/ prefix.
2409 * configure: Regenerated.
2411 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2413 PR target/27829
2414 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2415 a shift operand before calling shift_op. Avoid redundant call of
2416 shift_op.
2418 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2419 DJ Delorie <dj@redhat.com>
2421 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2422 we're inserting is a singlt-bit constant.
2424 2006-05-30 Roger Sayle <roger@eyesopen.com>
2426 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2427 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2429 2006-05-30 Roger Sayle <roger@eyesopen.com>
2431 PR tree-optimization/23452
2432 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2433 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2434 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2435 complex values and with -ffast-math for FP complex values.
2437 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2439 * c-common.h: Remove the prototype for yyparse.
2440 * rtl.h: Remove the prototype for init_loop.
2442 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2444 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2445 calling recog.
2447 2006-05-30 Roger Sayle <roger@eyesopen.com>
2449 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2450 and rotate cases.
2451 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2452 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2454 2006-05-30 Dirk Mueller <dmueller@suse.de>
2456 PR c/27273
2457 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2458 for CONSTANT_CLASS_P expresisons.
2460 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2462 PR c/27718
2463 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2465 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2467 PR tree-optimization/27779
2468 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2469 initial_condition instead of CHREC_LEFT.
2471 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2473 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2474 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2475 Make prototypes ISO C90.
2477 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2478 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2480 * see.c (see_analyze_one_def): Correct check.
2481 (see_get_extension_data): Check if extension is parallel.
2482 (see_get_extension_reg): Likewise.
2484 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2486 PR target/27790
2487 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2488 into register for (code == GTU).
2490 2006-05-29 Roger Sayle <roger@eyesopen.com>
2492 PR tree-optimization/24964
2493 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2494 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2495 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2496 abs(x)*abs(x) as x*x for scalar floating point modes.
2498 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2500 PR middle-end/27745
2501 * lambda-code.c (perfect_nestify): Don't copy statements
2502 in the inner loop: move them to the inner loop header.
2504 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2506 PR 26237
2507 * c-tree.texi: Document OpenMP directives and clauses.
2509 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2511 * varasm.c (globalize_decl): Fix indentation.
2513 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2515 PR 26242
2516 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2517 pass_fre, pass_store_ccp, pass_copy_prop,
2518 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2519 pass_return_slot, pass_object_size, pass_lim,
2520 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2521 pass_loop_prefetch and pass_stdarg.
2523 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2525 * config/bfin/bfin.opt (mfdpic): New option.
2526 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2527 (EXTRA_MULTILIB_PARTS): Likewise.
2528 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2529 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2530 multilib.
2531 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2532 (CRT_CALL_STATIC_FUNCTION): New.
2533 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2534 -shared.
2535 (CRT_CALL_STATIC_FUNCTION): New.
2536 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2537 FD-PIC moves.
2538 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2539 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2540 (initialize_trampoline): Changed to handle FD-PIC code generation.
2541 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2542 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2543 (override_options): Disallow -mid-shared-library -mfdpic combination.
2544 Can't do unaligned ops if FD-PIC.
2545 Turn off flag_pic if trying to generate non-id-shared-library
2546 non-fdpic code, since it's not supported.
2547 (bfin_assemble_integer): New function.
2548 (TARGET_ASM_INTEGER): Define.
2549 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2550 __BFIN_FDPIC__.
2551 * config/bfin/crtn.s: Restore them.
2552 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2553 if TARGET_FDPIC.
2554 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2555 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2556 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2557 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2558 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2559 call-used.
2560 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2561 FDPIC_REGS and FDPIC_FPTR_REGS.
2562 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2563 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2564 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2565 (load_funcdescsi): New pattern.
2566 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2567 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2568 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2570 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2572 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2573 loop.c.
2575 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2577 * tree-flow.h: Remove the prototype for add_type_alias.
2578 * tree-ssa-alias.c (add_type_alias): Remove.
2580 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2582 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2583 config/fr30/fr30.md, config/i386/i386-interix.h,
2584 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2585 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2586 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2587 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2588 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2589 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2590 Follow spelling conventions.
2591 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2592 Follow spelling conventions.
2594 2006-05-27 Richard Guenther <rguenther@suse.de>
2596 PR middle-end/27773
2597 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2598 to produce a constant of value 1 of generic type.
2600 2006-05-27 Dirk Mueller <dmueller@suse.de>
2602 * cgraphunit.c (decide_is_function_needed): Fix wrong
2603 PR reference.
2605 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2607 PR rtl-optimization/27661
2608 * reload.c (find_reloads): When reloading a VOIDmode constant
2609 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2610 use Pmode as mode of the reload register.
2612 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2614 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2615 is enabled at -O and above.
2617 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2619 PR target/27571
2620 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2621 table data.
2623 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2625 PR c++/20103
2626 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2627 for anonymous variables explicitly declared by front ends.
2629 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2631 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2632 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2633 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2634 ref-all pointers, run a finalization pass for them.
2635 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2636 (finalize_ref_all_pointers): New function.
2637 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2638 regular pointer type to a ref-all pointer type.
2639 (get_tmt_for): Return the special memory tag for ref-all pointers.
2641 2006-05-25 Richard Guenther <rguenther@suse.de>
2643 PR middle-end/27743
2644 * fold-const.c (fold_binary): Do not look at the stripped
2645 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2647 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2649 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2650 for LT and GT if the computed range is effectively empty.
2652 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2654 PR target/27627
2655 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2656 mips_quad_format formats instead of ieee_single_format,
2657 ieee_double_format and ieee_quad_format formats, respectively.
2659 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2661 PR tree-optimization/27639
2662 PR tree-optimization/26719
2663 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2664 call to scev_probably_wraps_p.
2665 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2666 used_in_pointer_arithmetic_p, convert_step): Removed.
2667 (nowrap_type_p): New function.
2668 (scev_probably_wraps_p): Rewritten.
2669 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2670 chrec_convert if chrec_convert_aggressive might have been used.
2671 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2672 scev_direction): New functions.
2673 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2674 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2675 instead of convert_step.
2676 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2677 (convert_step): Declaration removed.
2678 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2680 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2682 * df-core.c: Added to header comments.
2683 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2684 df_ur_bb_info, df_urec_bb_info): Added comments.
2685 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2686 urec, ri problems): Fixed header comments.
2687 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2688 code from df_rd_transfer_function.
2690 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2692 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2693 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2694 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2696 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2698 * expr.c (undefined_operand_subword_p): New.
2699 (emit_move_multi_word): Do not generate move from undefined bits
2700 of a paradoxical subreg.
2702 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2704 PR rtl-optimization/27736
2705 * combine.c (replaced_rhs_value): New variable.
2706 (combine_instructions): Set it.
2707 (distribute_notes): When distributing a note in replaced_rhs_insn,
2708 check whether the value was used in replaced_rhs_value.
2710 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2712 PR c++/26757
2713 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2714 add_referenced_var instead of add_referenced_tmp_var.
2715 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2716 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2717 add_referenced_var.
2718 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2719 tree_optimize_tail_calls_1): Use add_referenced_var.
2720 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2721 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2722 Use add_referenced_var.
2723 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2724 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2725 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2726 Use add_referenced_var.
2727 * tree-dfa.c (struct walk_state): Remove.
2728 (find_referenced_vars): Remove walk state and vars_found hash table.
2729 (make_rename_temp): Use add_referenced_var.
2730 (find_vars_r): Pass less parameters to add_referenced_var.
2731 (referenced_var_p): New. Is var in referenced_var hash table.
2732 (referenced_var_insert): Assert var isn't already in hash table.
2733 (add_referenced_var): Don't need walk_state parameter. Add var if it
2734 isn't already in the hash table.
2735 (add_referenced_tmp_var): Remove.
2736 (find_new_referenced_vars_1): Use add_referenced_var.
2737 * tree-ssa-pre.c (create_expression_by_pieces,
2738 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2739 Use add_referenced_var.
2740 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2741 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2742 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2743 add_referenced_var.
2744 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2745 vect_create_data_ref_ptr, vect_create_destination_var,
2746 vect_init_vector, vect_build_loop_niters,
2747 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2748 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2749 Use add_referenced_var.
2750 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2751 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2752 (add_referenced_var): Add prototype.
2753 * tree-ssa-structalias.c (get_constraint_for,
2754 intra_create_variable_infos): Use add_referenced_var.
2756 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2758 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2759 big-endian paradoxical subregs.
2760 * var-tracking.c (struct micro_operation_def): Document that,
2761 for modify micro operations, insn is the subsequent instruction.
2762 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2763 (var_reg_set, var_mem_set): ... new functions.
2764 (add_stores): Record subsequent insn.
2765 (compute_bb_dataflow): Use new functions for MO_USE.
2766 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2767 notes after the insn, and modify notes before the insn known
2768 to be the subsequent one.
2769 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2771 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2773 PR target/27696
2774 * config/i386/i386.c (ix86_expand_builtin): Use
2775 gen_sse3_monitor64 for TARGET_64BIT.
2777 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2779 PR rtl-optimization/26375
2780 PR rtl-optimization/26855
2781 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2782 to gen set.
2783 (df_ru_bb_local_compute): Reversed statements and removed bogus
2784 comment explaining why they should be in wrong order.
2785 (df_ru_dump, df_rd_dump): Enhanced debug info.
2786 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2787 debug info.
2788 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2789 reaching uses and fixed space problem.
2791 2006-05-23 Jan Hubicka <jh@suse.cz>
2793 * cgraphunit.c (decide_is_function_needed): Also nested functions
2794 and functions declared inline can be optimized out at -O0.
2796 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2798 * doc/install.texi (Configuration): Remove reference to CrossGCC
2799 FAQ which was gone.
2800 (Building): Ditto.
2802 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2804 PR target/27266
2805 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2806 ix86_compare_emitted is non-NULL.
2808 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2810 PR c++/27451
2811 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2812 clobbers.
2814 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2816 PR rtl-optimization/25514
2817 * combine.c (replaced_rhs_insn): New variable.
2818 (combine_instructions): Set replaced_rhs_insn when trying to replace
2819 a SET_SRC with a REG_EQUAL note.
2820 (distribute_notes): Use replaced_rhs_insn when determining the live
2821 range of a REG_DEAD register.
2823 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2824 Anatoly Sokolov <aesok@post.ru>
2826 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2827 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2828 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2829 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2830 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2831 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2832 at90usb647, at90usb1286 and at90usb1287 devices.
2833 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2834 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2836 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2838 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2840 2006-05-22 Richard Guenther <rguenther@suse.de>
2842 Revert
2843 2006-01-31 Richard Guenther <rguenther@suse.de>
2844 Paolo Bonzini <bonzini@gnu.org>
2846 * doc/install.texi (--disable-libgcc-math): Document.
2848 2006-05-22 Richard Guenther <rguenther@suse.de>
2850 Revert
2851 2006-01-31 Richard Guenther <rguenther@suse.de>
2853 * doc/invoke.texi (-msselibm): Document.
2854 * target.h (expand_library_builtin): New target hook.
2855 * builtins.c (expand_builtin): Use expand_library_builtin.
2856 (default_expand_library_builtin): New function.
2857 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2858 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2859 (link_gcc_math_spec): Declare.
2860 (static_specs): Add link_gcc_math_spec.
2861 * expr.h (default_expand_library_builtin): Declare.
2862 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2863 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2864 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2865 * config/i386/i386.opt (msselibm): New target option.
2866 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2867 (ix86_init_sse_abi_builtins): New function.
2868 (ix86_expand_library_builtin): Likewise.
2869 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2870 (override_options): Handle error conditions wrt -msselibm.
2871 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2872 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2873 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2874 builtins.
2876 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2878 PR c/27420
2879 * c-common.c (self_promoting_args_p): Skip erroneous args.
2881 PR c/26818
2882 * c-decl.c (finish_struct): Skip erroneous fields.
2884 2006-05-22 Nick Clifton <nickc@redhat.com>
2886 * config/cris/cris.opt (march): Remove VarExists attribute.
2887 (max-stackframe=): Likewise.
2889 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2891 * doc/rtl.texi: Fix a typo.
2892 * see.c: Fix comment typos.
2894 * tree-ssa-structalias.h (alias_info): Remove num_references.
2896 2006-05-21 Mike Stump <mrs@apple.com>
2898 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2899 (BAD2): Add.
2900 (darwin_pragma_options): Use BAD instead.
2901 (darwin_pragma_unused): Likewise.
2902 (darwin_pragma_ms_struct): Likewise.
2904 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2906 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2908 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2910 PR rtl-optimization/27671
2911 * simplify-rtx.c (simplify_relational_operation_1): Fix
2912 simplifications of (eq/ne (xor x y) y) and
2913 (eq/ne (xor x y) x).
2915 PR tree-optimization/26622.
2916 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2917 on arg1.
2919 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2921 * tree-cfg.c: Prune whitespace.
2922 (debug_tree_cfg): Point to correct header containing the
2923 TDF_* defines.
2925 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2927 PR middle-end/25776
2928 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2930 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2932 PR middle-end/25776
2933 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2934 or sorry count is non zero.
2936 2006-05-20 Andreas Schwab <schwab@suse.de>
2938 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2940 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2941 Kenneth Zadeck <zadeck@naturalbridge.com>
2943 PR rtl-optimization/26855
2945 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2946 multiword refs.
2947 (df_scan_alloc): Added code to properly handle multiword hard
2948 registers and add all_blocks parameter.
2949 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2950 code to properly handle multiword hard registers.
2951 (df_rescan_blocks): Added code to remove deleted blocks from
2952 bitmap.
2953 (df_ref_create_structure, df_ref_record): Added code to properly
2954 handle subregs.
2955 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2956 and set DF_REF_PARTIAL.
2957 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2958 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2959 (df_scan_add_problem): Added flags parameter.
2960 (df_ref_create_structure): Changed switching structure.
2961 (df_bb_refs_record): Fixed case where duplicate artificial refs
2962 were created. Changed location of flags.
2963 (df_record_entry_block_defs): Added code to make stack pointer
2964 live in entry block. Refined cases where frame pointer is needed.
2965 Changed location of flags.
2966 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2967 (df_set_state): Removed function.
2968 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2969 df_insn_create_insn_record, df_insn_refs_delete,
2970 df_ref_create_structure): Formatting changes.
2971 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2972 df_delete_basic_block): New function.
2973 (df_init): Changed location of flags.
2974 (df_add_problem): Added flags parameter and the way flags are
2975 processed.
2976 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2977 debug_df_chain): Improved debugging output.
2978 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2979 (df_refs_chain_dump): Removed df parameter.
2980 (df_iterative_dataflow): Added consistency check.
2981 (df_prune_to_subcfg): Made public.
2982 (df_analyze_problem): Added blocks_to_init parameter and made
2983 public.
2984 (df_ref_record, df_bb_refs_record, df_mark_reg,
2985 df_record_exit_block_uses): Whitespace changes.
2986 (df_dump): Whitespace changes.
2987 * df.h: Some reordering to remove forward references.
2988 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2989 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2990 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2991 (dataflow.flags): New field.
2992 (df.flag): Deleted field.
2993 (df_alloc_function): Added additional bitmap parameter.
2994 (df_dependent_problem_function): New type.
2995 (df_problem.changeable_flags): New field.
2996 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2997 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2998 (df_mw_hardreg): New struct.
2999 (DF_INSN_UID_MWS): New macro.
3000 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3001 parameter.
3002 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3003 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3004 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3005 (df_set_state): Removed function.
3006 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3007 * df-problems.c (df_chain_dump): Removed df parameter.
3008 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3009 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3010 parameter.
3011 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3012 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3013 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3014 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3015 DF_REF_MUST_CLOBBER cases.
3016 (df_ru_bb_local_compute_process_def,
3017 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3018 df_lr_bb_local_compute, df_ur_bb_local_compute,
3019 df_chain_create_bb): Made subreg aware.
3020 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3021 df_lr_bb_local_compute, df_lr_bb_local_compute,
3022 df_chain_create_bb): Cleanup to use proper macros.
3023 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3024 code to fixup bitvectors.
3025 (df_ri_alloc): Cleared lifetime.
3026 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3027 df_create_unused_note): New function.
3028 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3029 REG_DEAD and REG_UNUSED notes as well as register information.
3030 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3031 df_chains_dump): Fixed crash if problem was never run.
3032 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3033 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3034 df_ri_add_problem): Processes flags in uniform manner.
3035 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3036 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3037 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3038 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3039 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3040 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3041 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3042 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3043 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3044 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3045 * see.c (see_initialize_data): Ditto.
3046 * final.c (rest_of_clean_state) Added regstack_completed.
3047 * rtl.h (regstack_completed): Ditto.
3048 * reg-stack.c (regstack_completed): Ditto.
3050 2006-05-19 Mike Stump <mrs@apple.com>
3052 * c-tree.h (default_conversion): Remove.
3053 * c-common.h (default_conversion): Add.
3055 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3057 * tree-vrp.c (valid_value_p): New function.
3058 (adjust_range_with_scev): Fail if the value of bound is not
3059 simple.
3061 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3063 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3064 (mips_fallback_frame_state): Use syscall numbers to determine
3065 the appropriate li instruction for the current ABI. Only use
3066 __NR_sigreturn for o32.
3068 2006-05-19 Nicolas Setton <setton@adacore.com>
3070 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3071 * langhooks.c (lhd_dwarf_name): New function.
3072 * langhooks-def.h (lhd_dwarf_name): Declare.
3073 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3074 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3075 * ada/misc.c (gnat_dwarf_name): New function.
3076 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3078 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3080 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3081 libgcc2.h.
3082 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3083 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3084 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3085 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3086 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3087 determine the size of Wtype, etc.
3088 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3089 (swfloatfuncs): New variable.
3090 (dwfloatfuncs): Likewise.
3091 (lib2funcs): Remove floating-point conversion functions from
3092 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3093 the set of conversion routines needed. Allow entries to specify
3094 an object name, filename and word size. Update users accordingly.
3095 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3096 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3098 Revert:
3100 2006-02-08 Roger Sayle <roger@eyesopen.com>
3102 PR target/22209
3103 * config/fixtfdi.c: New libgcc source file.
3104 * config/fixunstfdi.c: New source file.
3105 * config/floatditf.c: New source file.
3106 * config/floatunditf.c: New souce file.
3107 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3108 files above instead of config/mips/_tilib.c.
3109 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3111 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3113 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3114 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3116 2006-05-18 Mike Stump <mrs@apple.com>
3118 Fix up vla, vm and [*] sematics.
3120 PR c/18740
3121 PR c/7948
3122 PR c/25802
3123 PR c/27673
3124 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3125 (c_vla_unspec_p): Add.
3126 (c_vla_type_p): Add.
3127 * c-decl.c (struct c_scope): Add had_vla_unspec.
3128 (build_array_declarator): Add support for [*].
3129 (grokdeclarator): Likewise.
3130 (grokparms): Likewise.
3131 (get_parm_info): Likewise.
3132 * c-objc-common.c (c_vla_unspec_p): Likewise.
3133 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3134 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3135 typeof when argument is a variably modified type not inside sizeof or alignof.
3136 (c_parser_direct_declarator_inner): Propagate errors.
3137 (c_parser_sizeof_expression): Add support for [*].
3138 (c_parser_parms_declarator): Initialize had_vla_unspec.
3139 (c_parser_parms_list_declarator): Likewise.
3140 * c-typeck.c (c_vla_type_p): Add.
3141 (composite_type): Add support for vla compositing.
3142 (comptypes_internal): Add support for vla compatibility.
3143 (c_expr_sizeof_expr): Evaluate vla arguments.
3144 * tree.c (variably_modified_type_p): Update comment for [*].
3146 2006-05-18 Michael Matz <matz@suse.de>
3148 PR target/27599
3149 * config.host: Make assignments to host_xmake_file cumulative.
3150 * config.host (*-darwin*): Test $host, not $target.
3152 2006-05-12 Stuart Hastings <stuart@apple.com>
3154 * config/i386/i386.opt (-mstackrealign): New flag.
3155 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3156 (ix86_handle_cconv_attribute): Emit error when
3157 force_align_arg_pointer attribute collides with too many regparms.
3158 (ix86_function_regparm): Limit regparms when used with
3159 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3160 Support stack-realigning prologue in non-main functions. Emit
3161 warning for nested functions under -mstackrealign, emit error for
3162 nested functions with force_align_arg_pointer attribute.
3163 * doc/extend.texi (force_align_arg_pointer): Document it.
3164 * doc/invoke.texi (-mstackrealign): Document it.
3166 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3168 PR rtl-optimization/27477
3169 * combine.c (try_combine): Don't split a parallel consisting
3170 of two sets into two individual sets if both sets reference
3171 cc0.
3173 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3175 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3176 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3178 * doc/options.texi (VarExists): Updated.
3180 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3182 * unwind-dw2.c: Add declarations for uw_update_context and
3183 uw_frame_state_for.
3184 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3185 detected, advance frame state and context once to skip over stub.
3187 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3189 PR middle-end/20256
3190 PR middle-end/26435
3191 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3192 Call rewrite_into_loop_closed_ssa only when something changed.
3193 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3194 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3195 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3196 Test for perfect_nest_p here. Fix formating.
3197 (replace_uses_equiv_to_x_with_y): Fix formating.
3198 (stmt_uses_op): Removed.
3199 (can_convert_to_perfect_nest): Removed loopivs parameter.
3200 Complete the test by checking the scalar dependences.
3201 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3202 Fix formating.
3204 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3206 PR bootstrap/22541
3207 From Dan Kegel <dank@kegel.com>:
3208 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3210 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3212 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3213 if the element type is variably modified without recursing.
3215 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3217 PR middle-end/27332
3218 * tree-loop-linear.c (try_interchange_loops): Test for
3219 no data dependences.
3221 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3223 PR tree-optimization/27548
3224 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3225 range of ssa names that appear on abnormal edges.
3226 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3227 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3229 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3231 PR middle-end/27620
3232 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3234 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3236 PR middle-end/27415
3237 * tree.h (OMP_PARALLEL_COMBINED): Define.
3238 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3239 (new_omp_context): Add is_combined_parallel argument.
3240 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3241 new_omp_context caller.
3242 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3243 Adjust gimplify_scan_omp_clauses callers.
3244 (omp_is_private): Issue errors if iteration variable is firstprivate
3245 or reduction in the current context.
3246 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3247 on combined parallel workshare constructs.
3249 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3251 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3252 (gcc-options.o): New rule.
3254 * optc-gen.awk: Protect variables for gcc-options.o with
3255 #ifdef GCC_DRIVER/#endif.
3257 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3259 Fix PR tree-optimization/27373
3260 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3261 (forward_propagate_addr_expr): Update call.
3263 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3265 * doc/options.texi: Move the Negative option.
3267 2006-05-16 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/22303
3270 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3271 from STRING_CSTs.
3272 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3273 ccp_fold did not simplify the statement.
3275 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3277 PR driver/26885
3278 * Makefile.in (GCC_OBJS): New.
3279 (OBJS-common): Add opts-common.o.
3280 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3281 (cpp$(exeext)): Likewise.
3282 (gcc.o): Also depend on opts.h.
3283 (opts-common.o): New.
3285 * common.opt (gcoff): Add Negative(gdwarf-2).
3286 (gdwarf-2): Add Negative(gstabs).
3287 (gstabs): Add Negative(gstabs+).
3288 (gstabs+): Add Negative(gvms).
3289 (gvms): Add Negative(gxcoff).
3290 (gxcoff): Add Negative(gxcoff+).
3291 (gxcoff+): Add Negative(gcoff).
3292 * config/i386/i386.opt (m32): Add Negative(m64).
3293 (m64): Add Negative(m32).
3295 * doc/options.texi: Document the Negative option.
3297 * gcc.c: Include "opts.h".
3298 (main): Call prune_options after expandargv.
3300 * optc-gen.awk: Generate common declarations for all flag
3301 variables in options.c. Output the neg_index field.
3303 * opts.c (find_opt): Moved to ...
3304 * opts-common.c: Here. New file.
3306 * opts.h (cl_option): Add a neg_index field.
3307 (find_opt): New.
3308 (prune_options): Likewise.
3310 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3312 PR middle-end/27573
3313 * omp-low.c (expand_omp_parallel): Don't assert
3314 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3315 instead search for it.
3317 PR c/27499
3318 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3319 is signed.
3321 2006-05-16 Andreas Schwab <schwab@suse.de>
3323 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3324 defmac.
3326 2006-05-15 Roger Sayle <roger@eyesopen.com>
3328 PR target/26600
3329 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3330 integer constants other than zero are only legitimate on TARGET_64BIT.
3331 <CONST_VECTOR> Only zero vectors are legitimate.
3332 (ix86_cannot_force_const_mem): Integral and vector constants can
3333 always be put in the constant pool.
3335 2006-05-16 DJ Delorie <dj@redhat.com>
3337 * crtstuff.c (__dso_handle): Set section from
3338 TARGET_LBIGCC_SDATA_SECTION if defined.
3339 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3340 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3342 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3344 PR target/27599
3345 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3346 host_xmake_file.
3348 2006-05-16 Ben Elliston <bje@au.ibm.com>
3350 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3352 2006-05-15 Per Bothner <per@bothner.com>
3354 * tree.c: (last_annotated_node): Use source_locus typedef.
3355 This permits bootstrapping with --enable-mapped-location.
3357 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3359 PR tree-optimization/26830
3360 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3361 (info_for_ssa_name, current_info_for_ssa_name_age,
3362 blocks_to_update): New variables.
3363 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3364 (clear_ssa_name_info, initialize_flags_in_bb,
3365 mark_block_for_update): New functions.
3366 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3367 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3368 prepare_def_site_for): Use mark_block_for_update.
3369 (mark_def_interesting): Assert that the processed block is marked in
3370 blocks_to_update. Do not take blocks argument.
3371 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3372 argument.
3373 (rewrite_update_init_block, rewrite_update_stmt): Only process
3374 blocks with statements to rewrite.
3375 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3376 (update_ssa): Initialize and free blocks_to_update. Do not
3377 clear flags on statements. Do not use blocks bitmap.
3378 * tree.h (SSA_NAME_AUX): Removed.
3379 (struct tree_ssa_name): Removed aux field.
3380 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3382 2006-05-15 Richard Guenther <rguenther@suse.de>
3384 PR tree-optimization/27603
3385 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3386 Do computations in original type.
3388 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3390 * see.c: Code style changes such as redundant paranthesis,
3391 redundant intialization of local variables etc.
3392 (see_main): Declared now as static.
3393 * doc/invoke.texi: Update that -fsee is not enabled by
3394 default at -O3.
3396 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3398 * omp-low.c (check_omp_nesting_restrictions): New function.
3399 (scan_omp_1): Call it.
3401 PR middle-end/27416
3402 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3403 construct, return *VAR.
3405 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3407 PR rtl-optimization/27406
3408 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3409 edges.
3411 2006-05-14 Roger Sayle <roger@eyesopen.com>
3413 PR rtl-optimization/27538
3414 * combine.c (expand_compound_operation): Call gen_lowpart
3415 before calling simplify_shift_const.
3417 2006-05-14 Roger Sayle <roger@eyesopen.com>
3419 PR rtl-optimization/22563
3420 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3421 a fixed width bitfield, always force the intermediates into psuedos.
3423 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3425 PR 27501
3426 * mkconfig.sh: Use operator = instead of == for test.
3428 2006-05-13 Nick Clifton <nickc@redhat.com>
3430 * dwarf2out.c (dbx_reg_number): Check return value from
3431 LEAF_REG_REMAP and only use it if it is valid.
3432 (multiple_reg_loc_descriptor): Likewise.
3434 2006-05-13 Richard Guenther <rguenther@suse.de>
3436 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3437 host_xmake_file.
3439 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3441 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3442 information attached to non-INSNs such as NOTEs.
3443 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3445 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3447 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3448 On contraint.
3449 * config/s390/s390.md: Adjust comment describing On constraint.
3451 2006-05-11 Jan Hubicka <jh@suse.cz>
3453 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3454 to be output at -O0.
3456 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3458 PR middle-end/27384
3459 * fold-const.c (size_binop): Move sanity check for arguments to
3460 the beginning of the function.
3462 PR middle-end/27488
3463 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3464 expression.
3466 2006-05-11 Richard Guenther <rguenther@suse.de>
3468 PR middle-end/27529
3469 * fold-const.c (fold_unary): Handle intermediate conversion
3470 to a pointer type like intermediate conversion to an integer
3471 type in folding of (T1)(T2)var to var.
3472 Match the code to the comment in the final conversion for
3473 (T1)(T2)var to (T1)var regarding to type precision. Rather
3474 than disallow T1 being of pointer type, assert that both T1
3475 and var are of pointer type or not. Make sure not to fall
3476 over the frontends lazyness wrt array to pointer decay though.
3478 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3480 * arm.c (arm_struct_value_rtx): Delete.
3481 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3482 (arm_init_cumulative_args): Always initialize nregs to zero.
3484 2006-05-10 Richard Guenther <rguenther@suse.de>
3486 PR tree-optimization/27532
3487 * tree-object-size.c (plus_expr_object_size): Fix typo.
3489 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3491 PR target/24949
3492 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3493 ashrdi_const, ashrdi3): Use a scratch register.
3495 2006-05-10 Richard Guenther <rguenther@suse.de>
3497 PR tree-optimization/27302
3498 * fold-const.c (operand_equal_p): For two comparisons,
3499 try comparison of one comparison code swapped if that yields
3500 the same code.
3502 2006-05-10 Ben Elliston <bje@au.ibm.com>
3504 * tree-pretty-print.c (pretty_print_string): No need to handle
3505 '\0' as a special character.
3507 * tree.h: Include "hashtab.h".
3508 (iterative_hash_expr): Use hashval_t in its prototype.
3509 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3511 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3513 PR bootstrap/26872
3514 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3515 (hppa*64*-*-hpux11*): Ditto.
3516 (hppa[12]*-*-hpux11*): Ditto.
3518 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3520 PR target/26545
3521 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3523 2006-05-09 Michael Matz <matz@suse.de>
3525 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3526 host_extra_gcc_objs and host_xmake_file.
3527 (<*-*-linux*>): Don't overwrite host_xmake_file.
3528 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3529 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3530 (host_detect_local_cpu): Declare.
3531 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3532 * config/i386/i386.c (override_options): Handle -mtune=native
3533 as -mtune=generic.
3534 * config/i386/x-i386: New file.
3535 * config/i386/driver-i386.c: New file.
3536 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3537 cpu-type "native".
3539 2006-05-09 Dirk Mueller <dmueller@suse.de>
3540 Richard Guenther <rguenther@suse.de>
3542 PR middle-end/27498
3543 * fold-const.c (fold_read_from_constant_string): Relax check
3544 for matching types to matching modes.
3546 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3548 PR rtl-optimization/27335
3549 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3550 loops.
3552 2006-05-08 Chao-ying Fu <fu@mips.com>
3553 Richard Sandiford <richard@codesourcery.com>
3555 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3556 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3557 * config/mips/mips.md (UNSPEC_SCC): New constant.
3558 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3559 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3560 (mips_emit_compare): Use it.
3561 (mips_expand_vcondv2sf): New function.
3563 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3565 Fix PR tree-optimization/27093
3566 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3567 renaming when they become not-used_alone.
3569 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3571 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3572 relocation and relocation stubs.
3574 2006-05-08 Eric Christopher <echristo@apple.com>
3576 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3577 section for ppc.
3579 2006-05-08 Jan Hubicka <jh@suse.cz>
3581 PR middle-end/24561
3582 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3583 unused static functions are needed.
3585 2006-05-08 Roger Sayle <roger@eyesopen.com>
3587 PR target/27158
3588 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3589 of a reg_equiv_constant if the result is a legitimate constant.
3591 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3593 PR target/27277
3594 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3595 standard 80387 constants, raise the cost to prevent
3596 compress_float_constant() to generate load from memory.
3598 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3600 * config/arm/constraints.md (c): Fix a typo.
3602 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3603 typos.
3605 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3607 PR target/24879
3608 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3609 inline function.
3610 (_mm_mwait): Likewise.
3612 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3613 "mwait".
3614 (sse3_monitor): Make it 32bit only.
3615 (sse3_monitor64): New. 64bit monitor.
3617 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3619 PR target/27421
3620 * config/i386/i386.c (classify_argument): Skip fields with invalid
3621 types.
3623 2006-05-07 Richard Guenther <rguenther@suse.de>
3625 PR tree-optimization/27409
3626 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3627 Do not try to find zero-sized subvars.
3629 2006-05-07 Richard Guenther <rguenther@suse.de>
3631 PR tree-optimization/27136
3632 * tree-ssa-loop-niter.c (get_val_for): Correct function
3633 comment, assert requirements.
3634 (loop_niter_by_eval): Stop processing if the iterated
3635 value did not simplify.
3637 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3639 * opts.c (flag_see): remove its setting at -O3.
3641 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3643 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3644 * arm/constraints.md: New file.
3645 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3646 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3647 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3648 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3649 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3650 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3651 * arm.md: Include constraints.md.
3652 (thumb_movsi_insn): Use satisfies_constraint_J.
3653 (movhi, movqi): Use satisfies_constraint_I.
3655 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3657 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3658 for atmeg a645 device.
3660 2006-05-06 Richard Guenther <rguenther@suse.de>
3662 PR tree-optimization/27151
3663 * tree-vect-transform.c (vectorizable_condition): Punt on
3664 values that have a different type than the condition.
3666 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3668 PR/21391
3669 * c-parser.c (c_parser_cast_expression): Only insert casts into
3670 hash table if pointer.
3671 * function.c (used_types_insert_helper): Rename from
3672 used_types_insert.
3673 (used_types_insert): Call used_types_insert_helper.
3674 * function.h (used_types_insert): Accept only one argument.
3676 2006-05-05 David Edelsohn <edesohn@gnu.org>
3678 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3679 scratch with output modifier.
3681 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3683 PR target/26481
3684 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3685 with output modifier.
3687 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3689 PR target/26765
3690 * config/mips/mips.c (mips_symbolic_address_p): Return true
3691 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3692 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3694 2006-05-04 Richard Guenther <rguenther@suse.de>
3696 PR tree-optimization/14287
3697 PR tree-optimization/14844
3698 PR tree-optimization/19792
3699 PR tree-optimization/21608
3700 PR tree-optimization/27090
3701 * tree-ssa-pre.c (try_combine_conversion): New function.
3702 (compute_avail): After constructing the value-handle
3703 expression, use try_combine_conversion to combine NOP_EXPRs
3704 with previous value-handle expressions and use the result if it
3705 is available.
3707 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3709 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3711 2006-05-04 Jan Hubicka <jh@suse.cz>
3713 PR middle-end/25962
3714 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3716 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3718 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3719 that this only matches CONST_INTs. All users changed to VOIDmode
3720 operands.
3722 * config/bfin/bfin.c: Include "optabs.h".
3723 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3724 to do more work.
3725 (enum bfin_builtins): Add a number of fractional and vector builtins.
3726 (bfin_init_builtins): Likewise.
3727 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3728 (safe_vector_operand, bfin_expand_binop_builtin,
3729 bfin_expand_unop_builtin): New functions.
3730 (bfin_expand_builtin): Handle the new builtins.
3731 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3732 __ADSPBLACKFIN__.
3734 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3736 * see.c: New file.
3737 * Makefile.in (OBJS-common): Add see.o.
3738 (see.o): Add dependencies.
3739 * common.opt (fsee): New flag for the see optimization was added.
3740 * opts.c (flag_see): Initialized.
3741 * passes.c (init_optimization_passes, pass_see): New pass.
3742 * rtl.h (see_main): Declaration as extern.
3743 * timevar.def (TV_SEE): New.
3744 * tree-pass.h (pass_see): Declaration as extern.
3745 * invoke.texi (-fsee): Document.
3746 * recog.c (validate_simplify_insn): New function.
3747 * recog.h (validate_simplify_insn): Declaration as extern.
3748 * df-problems.c (df_chain_dump): Check for NULL.
3750 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3751 Daniel Berlin <dberlin@dberlin.org>
3753 * cfgrtl.c (insert_insn_bb_end_new): New function.
3754 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3756 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3758 * df.h (struct web_entry): Moved from web.c.
3759 (union_defs): Declaration as extern.
3760 (unionfind_root): Likewise.
3761 (unionfind_union): Likewise.
3762 * web.c (struct web_entry): Moved to df.h.
3763 (unionfind_root): Remove static declaration.
3764 (unionfind_union): Likewise.
3765 (union_defs): Likewise and generalize to use callback function.
3766 (web_main): Update arguments for union_defs function call.
3768 2006-05-04 Richard Guenther <rguenther@suse.de>
3770 PR tree-optimization/26447
3771 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3772 produce SSA_NAME copies before the store stmt to avoid
3773 breaking exception handling.
3775 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3777 PR middle-end/27388
3778 * gimplify.c (omp_is_private): If var is shared in some outer context,
3779 return false instead of true. Stop searching on parallel context
3780 boundary.
3782 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3784 PR java/8260
3785 * coverage.c: Use get_gcov_unsigned_t() instead of
3786 unsigned_type_node all over.
3788 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3790 PR tree-optimization/27381
3791 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3792 maintain the same immediate_use links.
3793 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3794 node rather than segfaulting.
3796 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3798 PR fortran/27395
3799 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3800 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3801 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3803 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3805 Fix PR tree-optimization/26626
3806 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3807 always.
3808 * tree-ssa-operands.c (access_can_touch_variable): Allow
3809 typecasting through union pointers.
3811 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3813 PR c++/26943
3814 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3815 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3816 to find if var will be a global variable even in the nested context.
3817 (omp_copy_decl): Only check for global variable at the end, it might
3818 be overridden in outer contexts.
3819 (scan_sharing_clauses): For global variables don't create a field.
3820 (lower_rec_input_clauses): Do nothing for global shared variables.
3821 Emit a barrier at the end of ILIST if there were any decls in both
3822 firstprivate and lastprivate clauses.
3823 (lower_send_clauses): Do nothing for global variables except for
3824 COPYIN.
3826 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3828 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3829 of the correct signedness is returned.
3831 2006-05-02 Jeff Law <law@redhat.com>
3833 PR tree-optimization/27364
3834 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3835 multiply expressions.
3837 2006-05-02 Tom Tromey <tromey@redhat.com>
3839 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3841 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3843 PR target/27387
3844 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3845 -mthumb -fPIC are used.
3847 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3848 Joshua Kinard <kumba@gentoo.org>
3850 PR target/25871
3851 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3852 with 64-bit pointers.
3854 2006-05-02 Paul Brook <paul@codesourcery.com>
3856 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3857 and pool overlap.
3858 (create_fix_barrier): Check that a suitable barrier location is
3859 found.
3860 (arm_reorg): Include ftmp->address in allowable range of addresses.
3862 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3864 PR ada/27366
3865 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3866 on Cygwin.
3868 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3870 PR middle-end/27337
3871 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3872 around RESULT_DECL for result passed by reference.
3873 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3874 * omp-low.c (use_pointer_for_field): Don't look at
3875 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3876 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3877 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3878 time or var for passing by reference for
3879 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3880 TREE_ADDRESSABLE variables when passing by reference.
3882 * omp-low.c (dump_omp_region): Fix output formatting.
3884 PR middle-end/27328
3885 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3886 (expand_omp_parallel): Likewise.
3887 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3889 PR middle-end/27325
3890 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3891 on statement list containing also constructors and destructors.
3892 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3894 PR middle-end/27310
3895 * except.c (duplicate_eh_regions): Fix clearing of
3896 cfun->eh->region_array entries.
3898 2006-05-01 DJ Delorie <dj@redhat.com>
3900 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3901 build!=host.
3902 (gcc_cv_objdump): Likewise.
3903 * configure: Regenerated.
3905 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3907 PR target/27374
3908 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3909 templates for case 3 and 4.
3911 2006-05-01 DJ Delorie <dj@redhat.com>
3913 * vec.c: Include bconfig.h when appropriate.
3914 * Makefile.in (build/vec.o): Adjust dependencies.
3915 * mkconfig.sh: Make sure config.h isn't used for build machine
3916 compiles.
3918 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3920 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3921 variables.
3922 (mark_phi_for_rewrite): New function.
3923 (insert_phi_nodes_for, mark_use_interesting): Call
3924 mark_phi_for_rewrite.
3925 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3926 (update_ssa): Initialize and free phis_to_rewrite.
3928 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3930 PR rtl-optimization/27291
3931 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3932 folded to a constant.
3934 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3936 PR tree-optimization/27283
3937 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3938 not whole # of iteration descriptions.
3939 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3940 uses abnormal ssa name.
3941 (niter_for_single_dom_exit): Ditto.
3942 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3943 return just the number of iterations.
3945 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3947 PR tree-optimization/27144
3948 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3949 (record_estimate): Only record constant upper bound.
3950 (infer_loop_bounds_from_undefined): Call
3951 compute_estimated_nb_iterations just once.
3952 (proved_non_wrapping_p): Renamed to ...
3953 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3954 (convert_step_widening, scev_probably_wraps_p): Call
3955 n_of_executions_at_most instead of proved_non_wrapping_p.
3956 (substitute_in_loop_info): Do not replace values in bounds.
3957 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3958 comments.
3960 2006-05-01 Richard Henderson <rth@redhat.com>
3962 PR c/27358
3963 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3964 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3965 CPP_PRAGMA.
3967 2006-05-01 Roger Sayle <roger@eyesopen.com>
3969 * c-typeck.c (parser_build_binary_op): Don't call the function
3970 unsigned_conversion_warning to spot operand/result type overflow.
3971 (build_binary_op): Instead, call convert_and_check instead of
3972 convert to report the problem when the operands are promoted.
3973 * c-common.c (unsigned_conversion_warning): Make static.
3974 * c-common.h (unsigned_conversion_warning): Delete prototype.
3976 2006-05-01 Richard Guenther <rguenther@suse.de>
3978 PR tree-optimization/26726
3979 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3980 problem ...
3981 (find_interesting_uses_address): ... we work around here
3982 by folding INDIRECT_REFs in the substituted base.
3984 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3986 * omp-low.c (dump_omp_region): Add newlines.
3988 2006-04-30 Roger Sayle <roger@eyesopen.com>
3990 * common.opt (Woverflow): New command line option.
3991 * c-common.c (constant_expression_warning): Check warn_overflow.
3992 (overflow_waring): Pass OPT_Woverflow to warning.
3993 (unsigned_conversion_warning): Likewise.
3994 (convert_and_check): Likewise.
3995 * doc/invoke.texi: Document new command line option.
3997 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3999 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4000 TARGET_NO_FP_IN_TOC for section anchors.
4001 (optimization_options): Enable section anchors for all
4002 non-"Objective" languages.
4004 2006-04-28 Eric Christopher <echristo@apple.com>
4006 * config/darwin-c.c (darwin_ms_struct): Move this
4007 (darwin_set_default_type_attributes): and this...
4008 * config/darwin.c: ... here.
4009 * config/darwin.h (darwin_ms_struct): Declare.
4011 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4013 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4015 2006-04-28 Roger Sayle <roger@eyesopen.com>
4017 PR c/25309
4018 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4019 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4020 an unsigned HOST_WIDE_INT.
4021 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4022 array index.
4023 (really_start_incremental_init): No need to call convert because
4024 bitsize_zero_node is already of type bitsizetype.
4025 (push_init_level): Extract the value of constructor_index as an
4026 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4027 (process_init_element): Likewise.
4029 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4031 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4032 value before passing to make_relative_prefix.
4034 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4036 PR middle-end/27260
4037 * builtins.c (expand_builtin_memset): Expand val in original mode.
4039 2006-04-27 Eric Christopher <echristo@apple.com>
4041 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4042 with #ifndef/#endif.
4043 * config/darwin-c.c (darwin_ms_struct): New.
4044 (darwin_pragma_ms_struct): Ditto.
4045 (darwin_set_default_type_attributes): Ditto.
4046 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4047 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4048 Register ms_struct pragma.
4049 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4050 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4051 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4052 darwin_set_default_type_attributes if TARGET_MACHO.
4054 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4056 PR tree-optimization/26854
4057 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4058 * doc/tree-ssa.texi: Update immuse iterator documentation.
4059 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4061 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4062 first_safe_imm_use, next_safe_imm_use): Remove.
4063 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4064 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4065 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4066 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4067 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4068 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4069 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4070 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4071 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4072 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4073 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4074 (perfect_nestify): Use new iterator.
4075 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4076 iterator.
4077 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4078 (next_imm_name): New field in struct immediate_use_iterator_d.
4079 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4080 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4081 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4082 * tree-cfg.c (replace_uses_by): Use new iterator.
4083 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4084 * tree-ssa-operands.c (correct_use_link): Remove.
4085 (finalize_ssa_use_ops): No longer call correct_use_link.
4087 2006-04-27 Stuart Hastings <stuart@apple.com>
4089 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4090 * config/t-darwin (crt3.o): Use it.
4091 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4092 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4093 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4094 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4095 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4096 support.
4098 2006-04-27 Roger Sayle <roger@eyesopen.com>
4100 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4101 size, force the intermediate into a new pseudo rather instead of
4102 performing both a bitwise AND and a bitwise IOR in memory.
4104 2006-04-27 Richard Guenther <rguenther@suse.de>
4106 PR rtl-optimization/26685
4107 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4108 this one "max-flow-memory-locations".
4110 2006-04-27 Richard Guenther <rguenther@suse.de>
4112 PR tree-optimization/25148
4113 * tree-vrp.c (compare_values): Remove code dealing with
4114 comparisons against type min/max value. Honour overflow
4115 and negative constants in code dealing with comparisons
4116 of plus and minus expressions.
4117 (value_inside_range): Use fold_binary with LE_EXPR and
4118 GE_EXPR rather than compare_values.
4120 2006-04-27 Dirk Mueller <dmueller@suse.de>
4122 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4123 prototype for SSE.
4125 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4127 * basic-block.h (safe_insert_insn_on_edge): Removed.
4128 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4130 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4131 Paolo Bonzini <bonzini@gnu.org>
4133 PR middle-end/27282
4134 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4135 (simplify_and_const_int): Same.
4137 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4139 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4141 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4143 PR c/26171
4144 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4145 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4146 cgraph_global_info_ready.
4148 PR middle-end/26913
4149 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4151 PR c/25996
4152 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4153 either decl or init is error_mark_node.
4155 PR middle-end/25989
4156 * tree-flow.h (struct omp_region): Add sched_kind.
4157 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4158 instead of extracting omp for data.
4159 (expand_omp_for): Save extracted sched_kind.
4161 2006-04-25 Roger Sayle <roger@eyesopen.com>
4163 * expmed.c (store_bit_field): Also check whether the bitsize is
4164 valid for the machine's "insv" instruction before moving the
4165 target into a pseudo for use with the insv.
4166 * config/i386/predicates.md (const8_operand): New predicate.
4167 * config/i386/i386.md (extv, extzv, insv): Use the new
4168 const8_operand predicate where appropriate.
4170 2006-04-25 DJ Delorie <dj@redhat.com>
4172 * doc/install.texi (Specific): Clarify that this is not a list of
4173 supported hosts or targets.
4175 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4177 PR rtl-optimization/26725
4178 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4179 block's BB_DIRTY flag.
4181 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4183 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4184 are no branches.
4186 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4187 to print an integer.
4189 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4191 * varasm.c (align_variable): New function.
4192 (get_block_for_decl): Apply align_variable to DECL before
4193 calculating section information.
4194 (assemble_variable): Split out alignment computation.
4196 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4198 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4199 machines.
4201 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4203 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4204 MODE_PARTIAL_INT mode.
4205 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4206 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4207 for CONST_INTs.
4208 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4209 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4210 V2PDImode.
4211 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4212 New predicates.
4213 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4214 New constants.
4215 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4216 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4217 MACFLAG_IH): Likewise.
4218 (movstricthi_1): Renamed from "*movstricthi".
4219 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4220 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4221 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4222 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4223 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4224 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4225 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4226 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4227 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4228 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4229 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4230 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4231 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4232 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4233 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4235 * doc/rtl.texi (ss_ashift): Improve wording.
4237 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4239 * dwarf2out.c (verify_marks_clear): New.
4240 (prune_unused_types): Call verify_marks_clear initially, not
4241 prune_unmark_dies.
4243 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4245 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4246 * doc/rtl.texi: Document them.
4247 * simplify-rtx.c (simplify_unary_operation,
4248 simplify_binary_operation_1): Don't abort when we see them.
4250 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4252 Revert:
4253 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4254 * configure.ac: Completely disregard languages that are not
4255 enabled.
4256 * configure: Regenerated.
4258 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4259 Richard Guenther <rguenther@suse.de>
4261 PR tree-optimization/27236
4262 * tree-inline.c (copy_body_r): Make sure to copy
4263 TREE_THIS_VOLATILE flag.
4265 2006-04-24 Richard Guenther <rguenther@suse.de>
4267 PR middle-end/26869
4268 * tree-complex.c (update_parameter_components): Don't handle
4269 unused parameters which have no default def.
4271 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4272 Richard Guenther <rguenther@suse.de>
4274 PR tree-optimization/27218
4275 * tree-inline.c (expand_call_inline): Strip useless type
4276 conversions for the return slot address.
4278 2006-04-24 Richard Guenther <rguenther@suse.de>
4280 * cfgloop.h (struct loops): Remove unused field array. Reorder
4281 state after num.
4282 (LOOP_PREFETCH): Remove.
4284 2006-04-24 Richard Guenther <rguenther@suse.de>
4286 PR tree-optimization/22525
4287 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4288 variable, adjust types of generated expressions.
4290 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4292 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4293 (tree-vect-patterns.o): Likewise.
4294 (jump.o): Likewise.
4295 (cselib.o): Likewise.
4296 (loop-doloop.o): Likewise.
4297 (regclass.o): Likewise.
4298 (reload1.o): Likewise.
4299 (explow.o): Replace target.h with $(TARGET_H).
4300 (ipa-prop.o): Likewise.
4301 (ipa-cp.o): Likewise.
4302 (ipa-inline.o): Likewise.
4303 (reorg.o): Likewise.
4304 (reg-stack.o): Likewise.
4306 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4308 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4310 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4312 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4314 * configure.ac: Completely disregard languages that are not
4315 enabled.
4316 * configure: Regenerated.
4318 PR c++/26534
4319 * c-common.h (c_build_bitfield_integer_type): Declare.
4320 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4321 * c-common.c (c_build_bitfield_integer_type): ... here.
4323 2006-04-23 Roger Sayle <roger@eyesopen.com>
4325 PR target/21283
4326 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4327 a SImode SUBREG of a floating point register after no_new_pseudos.
4329 2006-04-23 Roger Sayle <roger@eyesopen.com>
4331 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4332 identify potentially eliminable registers to additionally catch
4333 VIRTUAL_INCOMING_ARGS_REGNUM.
4334 (addsi3): Update the conditions on when to use addsi_small_int.
4336 2006-04-23 Roger Sayle <roger@eyesopen.com>
4338 PR target/16641
4339 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4340 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4341 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4343 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4345 * fold-const.c (range_predecessor): Use operand_equal_p
4346 as the predicate for equality.
4347 (range_successor): Likewise.
4349 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4351 Revert:
4352 * config/soft-fp/op-common.h: Fix a typo.
4354 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4356 PR libmudflap/26864
4357 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4358 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4360 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4362 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4363 Fix comment typos.
4364 * doc/tm.texi: Fix a typo.
4366 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4368 * dwarf2out.c (struct die_struct): Document that die_sib makes
4369 a circular linked list.
4370 (FOR_EACH_CHILD): New.
4371 (reverse_die_lists): Delete.
4372 (reverse_all_dies): Delete.
4373 (add_dwarf_attr): Correct documentation.
4374 (remove_child_with_prev): New.
4375 (remove_child_TAG): Update for change to die_struct, use
4376 remove_child_with_prev.
4377 (add_child_die): Update for change to die_struct.
4378 (splice_child_die): Use remove_child_with_prev and add_child_die.
4379 (print_die): Use FOR_EACH_CHILD.
4380 (die_checksum): Likewise.
4381 (assign_symbol_names): Likewise.
4382 (output_location_lists): Likewise.
4383 (build_abbrev_table): Likewise.
4384 (calc_die_sizes): Likewise.
4385 (mark_dies): Likewise.
4386 (unmark_dies): Likewise.
4387 (unmark_all_dies): Likewise.
4388 (output_die): Likewise.
4389 (prune_unused_types_mark): Likewise.
4390 (prune_unused_types_walk): Likewise.
4391 (same_die_p): Update for change to die_struct.
4392 (break_out_includes): Likewise.
4393 (prune_unused_types_prune): Likewise.
4394 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4395 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4396 it's already clear.
4397 (dwarf2out_finish): Don't call reverse_all_dies.
4399 2006-04-21 Eric Christopher <echristo@apple.com>
4401 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4402 in comments and function names.
4404 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4406 PR c/25875
4407 * c-typeck.c (digest_init): Robustify.
4409 * c-typeck.c (pop_init_level): Simplify.
4411 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4413 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4415 2006-04-21 Paul Brook <paul@codesourcery.com>
4417 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4418 hardware floating point.
4420 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4422 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4423 NON_FLOAT_REGS.
4425 2006-04-21 Nick Clifton <nickc@redhat.com>
4427 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4428 OPT_EXTRA_PARTS.
4430 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4432 PR target/27230
4433 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4434 C++ lang type in traceback table for Objective-C++.
4436 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4438 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4440 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4442 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4444 PR mudflap/26789
4445 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4446 were errors. Remove check for erroneous objects.
4448 2006-04-20 Jeff Law <law@redhat.com>
4450 PR tree-optimization/26854
4451 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4452 checking for zero or one use.
4453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4454 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4455 * tree-ssa-reassoc.c (negate_value): Similarly.
4456 (reassociate_bb): Similarly.
4458 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4460 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4461 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4462 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4464 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4466 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4467 fp regs if the last fp arg doesn't fit in regs.
4469 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4471 PR target/27182
4472 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4473 that the last insn has the REG_INC note.
4475 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4476 Nathan Sidwell <nathan@codesourcery.com>
4478 PR c/26774
4479 * stor-layout.c (update_alignment_for_field): Do not align
4480 ERROR_MARK nodes.
4481 (place_union_field): Place union field at the start of the union.
4482 (place_field): Move ERROR_MARK check later, and use the current
4483 allocation position to maintain monotonicity.
4485 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4487 * dominance.c: Include timevar.h.
4488 (calculate_dominance_info): Use TV_DOMINANCE.
4489 * timevar.def (TV_DOMINANCE): New timevar.
4490 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4492 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4494 PR rtl-optimization/14261
4495 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4496 move would be an INSV insn.
4497 (noce_process_if_block): Don't optimize if the destination is a
4498 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4500 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4502 * config/s390/s390.md: Add comments with the instructions emitted
4503 by an insn pattern if macros are used.
4505 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4507 PR rtl-optimization/26026
4508 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4509 is a known power of two shifted left a variable amount.
4511 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4513 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4514 to hash table twice when the debug_str section has SECTION_MERGE.
4516 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4518 * config/soft-fp: New directory. From glibc.
4519 * config/soft-fp/t-softfp: New.
4520 * config/soft-fp/README: New.
4521 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4522 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4523 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4524 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4525 * config.gcc: Use rs6000/t-fprules-fpbit or
4526 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4527 rs6000/t-fprules.
4528 * config/rs6000/sfp-machine.h: New. Based on glibc.
4529 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4530 New.
4531 * config/rs6000/t-fprules: Remove fp-bit rules.
4532 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4533 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4534 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4535 (softfp_wrap_start, softfp_wrap_end): New.
4537 2006-04-18 DJ Delorie <dj@redhat.com>
4539 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4541 2006-04-18 Devang Patel <dpatel@apple.com>
4543 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4545 2006-04-18 Nick Clifton <nickc@redhat.com>
4547 * config/sh/t-symbian: Add rule to build sh-c.o
4548 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4549 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4550 (sh_symbian_encode_section_info): Likewise.
4552 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4554 * builtins.c (expand_builtin_strcmp): Cover label definition of
4555 do_libcall with HAVE_cmpstrnsi.
4557 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4559 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4560 instead of VARRAY.
4561 * function.h (temp_slot_p): New.
4562 (function): Change the type of x_used_temp_slots to
4563 VEC(temp_slot_p,gc) *.
4565 2006-04-18 Nick Clifton <nickc@redhat.com>
4567 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4568 flag_strength_reduce.
4570 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4572 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4574 PR target/27117
4576 Partial revert of revision 112637
4577 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4578 Dale Johannesen <dalej@apple.com>
4580 PR target/19653
4581 * regclass.c (struct reg_pref): Update documentation.
4582 (regclass): Set prefclass to NO_REGS if memory is the best option.
4583 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4585 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4587 PR tree-optimization/26821
4588 * tree-ssa-math-opts.c (get_constant_one): New.
4589 (insert_reciprocals): Use it.
4591 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4593 * dwarf2out.c (free_AT): Delete.
4594 (remove_AT): Update string ref counts.
4595 (remove_child_TAG): Don't call free_die.
4596 (free_die): Delete.
4597 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4598 or DW_TAG_GNU_EINCL.
4599 (prune_unused_types_walk_attribs): Reset string refcounts.
4600 (prune_unused_types_update_strings): New.
4601 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4602 call free_die. Do call prune_unused_types_update_strings.
4603 (prune_unused_types): Empty debug_str_hash.
4605 2006-04-17 Roger Sayle <roger@eyesopen.com>
4607 * expr.c (expand_assignment): Optimize away no-op moves where the
4608 source and destination are equal and have no side-effects.
4610 2006-04-17 Richard Guenther <rguenther@suse.de>
4612 PR target/26826
4613 * reload.c (push_reload): Guard calls to get_secondary_mem
4614 for memory subregs.
4616 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4618 * alias.c (reg_base_value, old_reg_base_value): Change the
4619 type to VEC(rtx,gc) *.
4620 (REG_BASE_VALUE, find_base_value, record_set,
4621 init_alias_analysis): Use VEC instead of VARRAY.
4623 * alias.c (alias_sets): Change the type to
4624 VEC(alias_set_entry,gc) *.
4625 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4626 VEC instead of VARRAY.
4627 (last_alias_set): Remove.
4629 * cgraph.h (cgraph_edge_p): New.
4630 Update the prototype of cgraph_function_versioning.
4631 * cgraphunit.c (cgraph_copy_node_for_versioning,
4632 cgraph_function_versioning): Use VEC instead of VARRAY.
4633 * ipa-cp.c (ipcp_insert_stage): Likewise.
4635 2006-04-16 Roger Sayle <roger@eyesopen.com>
4637 PR target/26961
4638 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4639 "A op B" or "A op C", we may need to convert A to the type of B and C.
4641 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4643 * target.h (struct gcc_target): Add mode_rep_extended.
4644 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4645 (init_num_sign_bit_copies_in_rep): Initialize it using
4646 mode_rep_extended.
4647 (truncate_to_mode): Use it.
4648 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4649 * targhooks.h (default_mode_rep_extended): Declare it.
4650 * targhooks.c (default_mode_rep_extended): Define it.
4651 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4652 default_mode_rep_extended.
4653 (TARGET_INITIALIZER): Include it.
4654 * doc/tm.texi (Misc): Document it.
4655 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4656 (mips_truncated_to_mode): New function.
4658 2006-04-16 Roger Sayle <roger@eyesopen.com>
4660 PR middle-end/25474
4661 * expr.c (compress_float_constant): Copy the narrow constant into
4662 a new pseudo before extending it to its final width.
4664 2006-04-16 Roger Sayle <roger@eyesopen.com>
4665 Andrew Pinski <pinskia@gcc.gnu.org>
4666 Dale Johannesen <dalej@apple.com>
4668 PR target/24076
4669 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4670 special case code to implement V8HImode and V16QImode with SSE2.
4672 2006-04-15 Roger Sayle <roger@eyesopen.com>
4674 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4675 trees are constructed with a suitable tree type.
4677 2006-04-15 Roger Sayle <roger@eyesopen.com>
4679 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4680 (integer_onep): Likewise.
4681 (integer_all_onesp): Likewise.
4682 (integer_pow2p): Likewise.
4683 (integer_nonzerop): Likewise.
4684 (real_zerop): Likewise.
4685 (real_onep): Likewise.
4686 (real_twop): Likewise.
4687 (real_minus_onep): Likewise.
4688 (int_size_in_bytes): Likewise.
4689 (host_integerp): Likewise.
4691 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4693 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4694 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4695 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4697 * tree-ssa-structalias.h (alias_info): Remove num_references.
4699 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4701 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4702 (output_bvb patterns): Likewise.
4703 * pa.c (output_bb): Use 'bb' insn for long branch case.
4704 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4705 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4706 1. Correct length operand for alternatives 1 and 2.
4707 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4708 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4710 2006-04-14 Roger Sayle <roger@eyesopen.com>
4712 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4713 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4714 were accidentally reverted by r112959.
4716 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4718 PR middle-end/26823
4719 * except.h (eh_region_outermost): New prototype.
4720 * except.c (eh_region_outermost): New function.
4721 * tree-cfg.c (find_outermost_region_in_block): Use it.
4723 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4725 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4726 of VARRAY.
4727 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4728 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4729 (init_reload, reload): Use VEC instead of VARRAY.
4730 * reload.h: Update the prototype for
4731 reg_equiv_memory_loc_varray.
4733 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4734 Eric Botcazou <ebotcazou@libertysurf.fr>
4736 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4737 register save area.
4739 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4741 PR middle-end/27134
4742 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4743 to expand fallback builtin function call.
4745 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4747 PR middle-end/27095
4748 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4749 and emit libcall here in case the builtin fails.
4750 (expand_builtin_strcmp): Always emit the libcall here on failure.
4752 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4754 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4755 * flow.c (reg_n_info): Change the type to
4756 VEC(reg_info_p,heap) *.
4757 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4758 instead of VARRAY.
4759 * regs.h (reg_info_p): New.
4760 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4761 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4762 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4763 instead of VARRAY.
4765 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4767 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4768 defaulting to 100.
4769 * params.h (MAX_SCHED_READY_INSNS): New macro.
4770 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4771 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4772 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4773 the ready list for 1 cycle during the first scheduling pass.
4774 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4776 2006-04-13 Richard Henderson <rth@redhat.com>
4778 PR libgomp/26651
4779 * gimple-low.c (lower_omp_directive): Remove dead code.
4780 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4781 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4782 * omp-low.c (struct omp_region): Move to tree-flow.h.
4783 (root_omp_region): Export.
4784 (omp_regions, lookup_omp_region): Remove.
4785 (determine_parallel_type): Update for struct omp_region changes.
4786 (dump_omp_region): Dump regions with block numbers.
4787 (new_omp_region): Take type and block instead of stmt; malloc
4788 instead of ggc.
4789 (free_omp_region_1, free_omp_regions): New.
4790 (expand_parallel_call): Take entry_stmt as argument; update for
4791 changes to omp_region.
4792 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4793 (remove_exit_barriers): New.
4794 (expand_omp_parallel): Update for struct omp_region changes.
4795 (expand_omp_synch): Likewise.
4796 (expand_omp): Likewise.
4797 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4798 (expand_omp_for_static_chunk): Likewise.
4799 (expand_omp_for): Likewise.
4800 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4801 (expand_omp_sections): Similarly, with GOMP_sections_end.
4802 (expand_omp_single): New.
4803 (build_omp_regions_1): Update for OMP_CONTINUE.
4804 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4805 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4806 OMP_SECTIONS_SECTIONS.
4807 (lower_omp_single_simple): Don't emit barrier here.
4808 (lower_omp_single_copy): Likewise.
4809 (lower_omp_single): Fix bindings, and lower to straightline now.
4810 (lower_omp_master, lower_omp_ordered): Likewise.
4811 (lower_omp_critical): Likewise.
4812 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4813 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4814 omp edges, free it afterward.
4815 (make_omp_sections_edges): Remove.
4816 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4817 (move_stmt_r): Handle OMP_CONTINUE.
4818 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4819 statement pointers to basic blocks. Add type member.
4820 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4821 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4822 * tree-inline.c (estimate_num_insns_1): Likewise.
4823 * tree-pretty-print.c (dump_generic_node): Likewise.
4824 * tree-ssa-operands.c (get_expr_operands): Likewise.
4825 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4826 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4827 (OMP_CONTINUE): New.
4828 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4829 (OMP_SECTIONS_SECTIONS): Remove.
4830 (OMP_SECTION_LAST): New.
4831 (OMP_RETURN_NOWAIT): New.
4833 2006-04-13 Roger Sayle <roger@eyesopen.com>
4835 * fold-const.c (native_encode_vector, native_interpret_real):
4836 Correct obvious mistakes in the previous check-in.
4838 2006-04-13 Roger Sayle <roger@eyesopen.com>
4840 * fold-const.c (native_encode_expr): New function to encode
4841 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4842 or VECTOR_CST into a specified buffer.
4843 (native_encode_int): New function.
4844 (native_encode_real): New function.
4845 (native_encode_complex): New function.
4846 (native_encode_vector): New function.
4847 (native_interpret_expr): Inverse of native_encode_expr to convert
4848 a target representation into an INTEGER_CST, REAL_CST etc...
4849 (native_interpret_int): New function.
4850 (native_interpret_real): New function.
4851 (native_interpret_complex): New function.
4852 (native_interpret_vector): New function.
4853 (fold_view_convert_expr): New function to constant fold/evaluate
4854 a VIEW_CONVERT_EXPR of a suitable constant expression.
4855 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4856 Change call of build1 to fold_build1 when constructing a
4857 VIEW_CONVERT_EXPR.
4859 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4860 Ulrich Weigand <uweigand@de.ibm.com>
4862 PR target/27006
4863 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4864 to be even.
4866 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4868 PR target/26459
4869 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4870 optimize to lo_sum for DFmode if !TARGET_FPRS.
4872 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4874 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4875 delete_alias_info, compute_flow_sensitive_aliasing,
4876 group_aliases): Use VEC instead of VARRAY.
4877 * tree-ssa-structalias.c (update_alias_info): Likewise.
4878 * tree-ssa-structalias.h (alias_info): Change the type of
4879 processed_ptrs to VEC(tree,heap) *.
4881 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4883 PR target/27060
4884 * config/sh/lib1funcs.h: New file, broken out of:
4885 * config/sh/lib1funcs.asm.
4886 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4887 New macros.
4888 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4889 * config/sh/lib1funcs-Os-4-200.asm: New file.
4890 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4891 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4892 (EXTRA_MULTILIB_PARTS): Include it.
4893 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4894 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4895 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4896 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4897 TARGET_SH2.
4899 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4901 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4902 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4903 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4904 VARRAY.
4905 * tree-ssa-live.h: Include vecprim.h.
4906 (tree_partition_associator_d): Change the type of
4907 first_partition to VEC(int,heap) *.
4908 (tpa_first_partition): Use VEC instead of VARRAY.
4910 * Makefile.in (GTFILES): Move functions.h after tree.h.
4911 * function.c (reset_block_changes, record_block_change,
4912 check_block_change, free_block_changes): Use VEC instead of
4913 VARRAY.
4914 * function.h (function): Change the type of
4915 ib_boundaries_block to VEC(tree,gc) *.
4916 * tree-inline.c (copy_cfg_body): Initialize
4917 ib_boundaries_block to NULL instead of (varray_type) 0.
4919 2006-04-12 Roger Sayle <roger@eyesopen.com>
4921 * expr.c (emit_group_store): Correct operand order in call to
4922 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4923 a SUBREG_BYTE of zero.
4925 2006-04-12 Richard Guenther <rguenther@suse.de>
4927 * profile.c (compute_branch_probabilities): Remove code
4928 encapsulated in !ir_type (), which are remanents of the
4929 removed RTL profiling code.
4930 * rtl-profile.c: Remove.
4932 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4934 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4935 magic NULL_RTX comment.
4936 (function_arg): Store entire fp arg to mem if any part should go
4937 on stack.
4938 (rs6000_arg_partial_bytes): Adjust for above change.
4940 2006-04-11 Roger Sayle <roger@eyesopen.com>
4942 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4943 if it hasn't been initialized by dwarf2out_init.
4945 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4947 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4948 symbolic constants in branch patterns.
4950 2006-04-11 Roger Sayle <roger@eyesopen.com>
4952 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4954 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4956 PR rtl-optimization/27073
4957 * gcse.c (try_replace_reg): Revert last change. Continue to search
4958 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4959 on the former.
4961 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4963 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4964 aggregate types other than record and union types.
4965 (function_arg): Likewise.
4966 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4967 small arrays.
4968 (function_value): In 64-bit mode, return objects that require it
4969 in FP registers.
4971 2006-04-11 Roger Sayle <roger@eyesopen.com>
4973 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4975 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4977 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4979 2006-04-03 Jeff Law <law@redhat.com>
4981 PR/27087
4982 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4983 alias information too.
4985 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4987 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4989 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4991 PR/21391
4992 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4993 (premark_used_types_helper): New.
4994 (premark_used_types): New.
4995 (gen_subprogram_die): Call premark_used_types.
4996 (prune_unused_types_walk): Do not prune perennial dies.
4997 * function.c (used_types_insert): New.
4998 * function.h (struct function): Add used_types_hash field.
4999 (used_types_insert): Add prototype.
5000 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5001 * c-parser.c (c_parser_cast_expression): Save casted types in used
5002 types hash table.
5004 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5006 PR target/26459
5007 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5008 rs6000_explicit_options.float_gprs.
5010 2006-04-10 Roger Sayle <roger@eyesopen.com>
5012 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5013 from ix86_expand_vector_init_low_nonzero. Take an additional
5014 one_var argument indicating which element is non-zero. Support
5015 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5016 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5017 with one_var instead of ix86_expand_vector_init_low_nonzero.
5019 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5021 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5022 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5023 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5024 build/genextract.o): Depend on vecprim.h.
5025 * cfglayout.c, df-problems.c, function.c, genextract.c,
5026 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5027 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5028 vecprim.h.
5029 * vecprim.h: New.
5031 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5033 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5034 Declare VECs of this type.
5035 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5036 (remove_children): Delete.
5037 (add_dwarf_attr): Use VEC routines.
5038 (add_AT_flag): Update for changes to add_dwarf_attr.
5039 (add_AT_int): Likewise.
5040 (add_AT_unsigned): Likewise.
5041 (add_AT_long_long): Likewise.
5042 (add_AT_vec): Likewise.
5043 (add_AT_string): Likewise.
5044 (add_AT_die_ref): Likewise.
5045 (add_AT_fde_ref): Likewise.
5046 (add_AT_loc): Likewise.
5047 (add_AT_loc_list): Likewise.
5048 (add_AT_addr): Likewise.
5049 (add_AT_lbl_id): Likewise.
5050 (add_AT_lineptr): Likewise.
5051 (add_AT_macptr): Likewise.
5052 (add_AT_offset): Likewise.
5053 (add_AT_range_list): Likewise.
5054 (get_AT): Use VEC_iterate.
5055 (remove_AT): Use VEC_ordered_remove.
5056 (free_die): Fold remove_children into here; have it use VEC_iterate.
5057 (print_die): Use VEC_iterate on attrs.
5058 (reverse_die_lists): Don't reverse attr lists.
5059 (die_checksum): Use VEC_iterate on attrs.
5060 (same_die_p): Likewise.
5061 (output_location_lists): Likewise.
5062 (build_abbrev_table): Likewise.
5063 (size_of_die): Likewise.
5064 (unmark_all_dies): Likewise.
5065 (output_abbrev_section): Likewise.
5066 (output_die): Likewise.
5067 (prune_unused_types_walk_attribs): Likewise.
5069 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5071 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5073 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5075 PR debug/27057
5076 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5078 2006-04-09 Roger Sayle <roger@eyesopen.com>
5080 * expr.c (store_constructor): Don't bother clearing target if
5081 we're about to assign a vector to it using vec_init_optab.
5083 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5085 * tree-ssa-alias.c (lhs_may_store_to): New function.
5086 (recalculate_used_alone): Handle LHS of calls.
5088 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5090 PR target/27034
5091 PR target/26508
5092 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5093 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5094 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5095 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5096 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5097 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5098 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5099 stubs. Add ".align 8" directives before all ".dword" directives.
5100 (GTHREAD_USE_WEAK): Revise comment.
5101 (TARGET_ATTRIBUTE_WEAK): Define.
5102 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5103 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5104 * stublib.c: New file.
5106 PR target/26743
5107 PR target/11254
5108 PR target/10274
5109 * pa.md (cbranch patterns): Revise arguments used in calls to
5110 output_cbranch, output_bb and output_bvd. Add long branch length
5111 attributes.
5112 (fbranch patterns): Handle long branches.
5113 (jump): Revise length check. Revise arguments for output_lbranch call.
5114 Add long branch length attributes.
5115 (decrement_and_branch_until_zero): Add long branch length attributes.
5116 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5117 Likewise. Revise arguments for output_parallel_addb and
5118 output_parallel_movb calls.
5119 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5120 output_parallel_movb and output_parallel_addb): Update prototypes.
5121 * pa.c (output_cbranch): Revise arguments. Correct handling of
5122 nullification in long branches.
5123 (output_lbranch): Add new argument to control extraction of delay
5124 instruction.
5125 (output_bb): Handle long branches.
5126 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5127 output_parallel_addb): Likewise.
5129 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5131 PR rtl-optimization/27073
5132 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5133 not REG_EQUIVs.
5135 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5137 * tree.h (tree_memory_tag): Add old_used_alone.
5138 (SMT_OLD_USED_ALONE): New macro.
5139 * tree-ssa-alias.c (recalculate_used_alone): Stop
5140 marking things for renaming unnecessarily.
5142 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5144 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5145 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5146 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5147 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5148 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5149 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5150 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5151 spelling convensions.
5152 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5153 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5154 typos. Follow spelling conventions.
5156 2006-04-07 DJ Delorie <dj@redhat.com>
5158 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5159 passed on the stack.
5160 (m32c_init_cumulative_args): When a function returns a structure,
5161 always pass the pointer to that return area on the stack.
5162 (m32c_function_arg_advance): Don't increment the parameter number
5163 if we're processing the returned structure pointer.
5164 (pushm_info): Reverse order of registers.
5166 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5168 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5169 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5170 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5171 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5172 build_int_cst_type.
5173 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5174 chrec_fold_multiply): Same.
5175 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5176 force_expr_to_var_cost): Same.
5177 * tree-mudflap.c (mf_xform_derefs_1): Same.
5178 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5180 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5182 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5183 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5184 insn.
5186 2006-04-07 Jan Hubicka <jh@suse.cz>
5188 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5190 2006-04-07 Richard Guenther <rguenther@suse.de>
5192 PR tree-optimization/26135
5193 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5194 loads for store copy-prop.
5195 (copy_prop_visit_stmt): Likewise.
5197 2006-04-05 Robert Millan <robertmh@gnu.org>
5199 * config/i386/linux.h: Add a comment to mark macros that are
5200 being overriden in config/k*bsd-gnu.h.
5201 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5202 DYNAMIC_LINKER.
5203 * config/knetbsd-gnu.h: Ditto.
5205 2006-04-06 Jan Hubicka <jh@suse.cz>
5207 PR profile/20815
5208 PR profile/26399
5209 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5210 after buffer.
5212 2006-04-06 Mike Stump <mrs@apple.com>
5214 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5215 for HAVE_nonlocal_goto to be consistent.
5216 (expand_builtin_nonlocal_goto): Likewise.
5217 (expand_builtin_strcmp): Use #ifdef instead of #if
5218 for HAVE_cmpstrnsi to be consistent.
5220 2006-04-05 DJ Delorie <dj@redhat.com>
5222 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5223 vs m32c.
5225 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5227 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5228 got-relative addressing for anything but SImode.
5230 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5231 even if the calling function doesn't modify them.
5233 2006-04-05 Richard Guenther <rguenther@suse.de>
5235 PR tree-optimization/26919
5236 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5237 to cgraph_estimate_size_after_inlining.
5239 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5241 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5243 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5245 PR tree-optimization/26996
5246 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5247 VECTOR_TYPE variables.
5249 2006-04-05 Richard Guenther <rguenther@suse.de>
5251 PR tree-optimization/26763
5252 * fold-const.c (fold_comparison): Move folding of
5253 PTR + CST CMP PTR + CST ...
5254 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5256 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5258 * doc/install.texi (Prerequisites): Refine some wording on
5259 bootstrapping and ksh.
5260 Move the version numbers of DejaGnu here from the testing section
5261 and fix casing of names.
5262 Fix markup and clarify wording for autogen requirements.
5263 Refer to GCJ instead of just java.
5264 Refer to SVN instead of CVS.
5265 Describe diffutils as useful instead of necessary.
5266 (Downloading the source): Refer to SVN instead of CVS.
5267 Adjust a link to our web site accordingly.
5268 (Configuration): Fix casing of Bison.
5269 (Building): Refer to SVN instead of CVS.
5270 Fix a sentence on the use of Bison and remove duplicate (and
5271 incorrect) version number of Bison requirement.
5272 Remove one redundant list of packages needed for building.
5273 (Specific): Avoid reference to CVS.
5275 2006-04-04 Eric Christopher <echristo@apple.com>
5277 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5278 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5279 (rs6000_handle_struct_attribute): New.
5280 (rs6000_ms_bitfield_layout_p): Ditto.
5282 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5284 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5285 NULL for dso parameter to atexit_common.
5287 2006-04-04 Eric Christopher <echristo@apple.com>
5289 * config/i386/i386.c (machopic_output_stub): Output \t
5290 between instructions and operands.
5292 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5294 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5295 satisfies_constraint_[IL] to explicit tests on value.
5297 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5299 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5300 set_nb_iterations_in_loop): Use build_int_cst instead of
5301 build_int_cst_type.
5302 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5303 build_int_cst instead of convert.
5305 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5307 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5308 new value 2 for incoming.
5309 * function.c (expand_function_start): Call struct_value_rtx
5310 with incoming as 2.
5311 * config/sparc/sparc.md: Comment updated_return.
5312 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5313 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5314 struct return if sparc_std_struct_return and incoming is 2.
5315 (print_operand): Do not adjust return if
5316 sparc_std_struct_return.
5318 2006-04-04 Roger Sayle <roger@eyesopen.com>
5320 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5321 convert in the middle-end.
5322 * expr.c (store_expr, store_constructor, get_inner_reference,
5323 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5324 Likewise.
5325 * tree.c (build_range_type): Likewise.
5327 2006-04-04 Tom Tromey <tromey@redhat.com>
5329 * doc/install.texi (Prerequisites): Mention jar.
5331 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5333 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5334 subsection.
5336 2006-04-04 Matthias Klose <doko@debian.org>
5338 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5339 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5340 strings.
5342 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5344 * doc/extend.texi (Function Attributes): Rewrite visibility
5345 attribute documentation.
5346 * doc/invoke.texi (C++ Dialect Options): Rewrite
5347 -fvisibility-inlines-hidden documentation to describe something
5348 entirely different, although in practise compatible.
5349 (Code Gen Options): Warn about system headers in -fvisibility=
5350 documentation.
5352 * doc/extend.texi (Other Builtins): Document that
5353 __builtin_nan is a compile-time constant only when its argument
5354 is valid.
5356 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5358 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5359 trying to remove TRUNCATE check if all bits outside the new mode
5360 are identical to the sign bit.
5362 2006-04-03 Jeff Law <law@redhat.com>
5364 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5365 and operand scanning in some common cases.
5367 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5368 Dale Johannesen <dalej@apple.com>
5370 PR target/19653
5371 * regclass.c (struct reg_pref): Update documentation.
5372 (regclass): Set prefclass to NO_REGS if memory is the best option.
5373 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5374 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5375 into account. For non-registers, equate an empty preferred
5376 reload class to a `!' in the constraint; move the if clause to
5377 do so after those that reject the insn.
5378 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5379 return NO_REGS.
5380 (find_dummy_reload): Likewise.
5381 * doc/tm.texi (Register Classes): Document what it means
5382 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5383 * config/i386/i386.c (ix86_preferred_reload_class): Force
5384 using SSE registers (and return NO_REGS for floating-point
5385 constants) if math is done with SSE.
5386 (ix86_preferred_output_reload_class): New.
5387 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5388 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5389 * config/i386/i386.md: Remove # register preferences.
5391 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5393 PR bootstrap/26992
5394 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5395 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5396 the type of nb_iter.
5397 (instantiate_parameters_1): Convert the operands before calling
5398 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5399 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5401 2006-04-02 Roger Sayle <roger@eyesopen.com>
5403 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5404 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5405 instead of convert.
5406 * dojump.c (do_jump): Likewise.
5407 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5408 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5409 gimplify_boolean_expr): Likewise.
5410 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5411 * varasm.c (array_size_for_constructor): Likewise.
5412 * tree-object-size.c (compute_object_offset): Likewise.
5414 2006-04-02 Roger Sayle <roger@eyesopen.com>
5416 PR middle-end/26977
5417 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5418 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5420 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5422 PR tree-optimization/26939
5423 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5425 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5427 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5428 at_stmt. Convert the type of operands before calling
5429 build_polynomial_chrec.
5430 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5431 add_to_evolution_1.
5432 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5433 (instantiate_parameters_1): Convert the type of operands before calling
5434 build_polynomial_chrec.
5435 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5436 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5437 reset_evolution_in_loop): Insert asserts to check the types of the
5438 operands.
5439 (chrec_type): Moved...
5440 (eq_evolutions_p): Use operand_equal_p.
5441 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5442 the types of the operands.
5443 (chrec_type): ...here.
5444 * tree-data-ref.c (create_data_ref): Convert the operands before
5445 calling chrec_replace_initial_condition.
5446 (same_access_functions, analyze_subscript_affine_affine,
5447 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5448 (compute_subscript_distance, analyze_ziv_subscript,
5449 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5450 analyze_miv_subscript): Convert the operands before calling
5451 chrec_fold_minus or chrec_fold_plus.
5453 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5455 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5456 the dependence_relations vector.
5457 (compute_data_dependences_for_loop): Adjust call to
5458 compute_all_dependences.
5460 2006-04-01 Roger Sayle <roger@eyesopen.com>
5461 Richard Henderson <rth@redhat.com>
5463 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5464 gimple_boolify on the condition before calling gimplify_expr.
5466 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5468 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5469 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5470 the frame size. Update to use the new macros.
5471 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5472 * config/xtensa/ieee754-df.S: Likewise.
5474 2006-03-31 Richard Henderson <rth@redhat.com>
5476 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5477 (make_edges): ... here. Control fallthru creation with a local
5478 variable. Do not play with fake edges.
5479 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5480 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5481 a boolean.
5483 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5485 * dwarf2.h (DW64_CIE_ID): Define.
5486 * dwarf2out.c (DWARF_CIE_ID): Define.
5487 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5488 length header. Use DWARF_CIE_ID.
5489 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5490 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5492 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5494 * config/sh/linux-atomic.asm: New file.
5495 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5497 2006-03-31 DJ Delorie <dj@redhat.com>
5499 * config/m32c/cond.md: Set condition flags properly throughout.
5500 * config/m32c/minmax.md: Likewise.
5501 * config/m32c/prologue.md: Likewise.
5502 * config/m32c/bitops.md: Likewise.
5503 * config/m32c/muldiv.md: Likewise.
5504 * config/m32c/mov.md: Likewise.
5505 * config/m32c/addsub.md: Likewise.
5506 * config/m32c/m32c.md: Likewise.
5507 * config/m32c/jump.md: Likewise.
5508 * config/m32c/shift.md: Likewise.
5510 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5511 conditionally output the pattern for this.
5512 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5513 (m32c_compare_redundant): New.
5514 (m32c_output_compare): New.
5515 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5517 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5518 dest, not src. Allow other 4-byte modes.
5520 2006-03-30 Denis Chertykov <denisc@overta.ru>
5522 * doc/md.texi: Refer to avr/constraints.md instead of
5523 avr/avr.h.
5525 2006-03-30 Roger Sayle <roger@eyesopen.com>
5527 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5528 signed vs. unsigned comparison failures on some hosts.
5530 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5532 PR target/26459
5533 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5534 change to FLOAT_REGS.
5536 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5537 (rs6000_override_options): Use it.
5538 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5539 only for -mabi=spe/no-spe and -mabi=altivec.
5541 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5543 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5544 !Zdynamiclib.
5546 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5548 * Makefile.in: Rename docdir to gcc_docdir.
5550 2006-03-30 Roger Sayle <roger@eyesopen.com>
5552 PR target/17959
5553 * expr.c (emit_group_store): Optimize group stores into a pseudo
5554 register by using a paradoxical subreg to initialize the destination
5555 if the first or last member of the group specifies a "low part".
5557 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5559 PR target/26734
5560 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5561 * target.h (struct gcc_target.speculate_insn): Change type of the
5562 second parameter to 'int'.
5563 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5564 the second operand of the DEPS_LIST.
5565 (copy_DEPS_LIST_list): Update reference to the second operand of the
5566 DEPS_LIST.
5567 * rtl.h (alloc_DEPS_LIST): Update signature.
5568 * sched-int.h (ds_t): Change typedef to 'int'.
5569 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5571 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5573 * haifa-sched.c (try_ready): Change condition to restore
5574 non-speculative pattern of the instruction.
5575 (process_insn_depend_be_in_spec): Code to keep probability of the
5576 speculative dependence non-decreasing.
5578 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5580 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5581 (single_move_for_movmem): ... this. Also change all uses.
5582 (bfin_expand_strmov): Renamed to...
5583 (bfin_expand_movmem): ... this. Also change all uses.
5584 * config/bfin/bfin.md (movstrsi): Renamed to...
5585 (movstrsi): ...this.
5587 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5589 PR tree-optimization/26830
5591 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5592 (copy_prop_visit_stmt): Remove write-only variable ann.
5593 (init_copy_prop): Check variable loop depth here. Do not simulate
5594 memory-tag and virtual operand PHIs except for store copy prop.
5596 2006-03-30 Richard Guenther <rguenther@suse.de>
5598 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5599 variants with double arguments.
5601 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5603 * genpreds.c (write_tm_constrs_h): Delete variable p.
5604 * genconditions.c (write_header): Add tm-constrs.h to included
5605 headers.
5606 * genpeep.c (main): Add toplev.h to included headers.
5607 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5608 (build/genpeep.o): Add toplev.h dependency.
5609 * config/rs6000/constraints.md: Add "W" constraint.
5611 2006-03-29 Roger Sayle <roger@eyesopen.com>
5613 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5614 sizes by correctly testing whether the size fits a host integer.
5615 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5616 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5617 SImode range for the default sizetype and bitsizetype.
5619 2006-03-29 Roger Sayle <roger@eyesopen.com>
5621 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5622 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5623 quickly if the argument is already of the correct type.
5624 Call fold_build1 instead of build1. Tidy up blank lines.
5626 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5628 * genemit.c (main): Add tm-constrs.h to included headers.
5629 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5630 * genpeep.c (main): Add tm-constrs.h to included headers.
5631 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5632 (write_tm_constrs_h): this and write complete file.
5633 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5634 (write_insn_preds_c): Add tm-constrs.h to included headers.
5635 (gen_constrs): New variable.
5636 (parse_option): Parse "-c".
5637 (main): Invoke write_tm_constrs_h.
5638 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5639 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5640 (object_out_file): Add tm-constrs.h dependency.
5641 (insn-emit.o): Same.
5642 (insn-output.o): Same.
5643 (insn-peep.o): Same.
5644 (insn-preds.o): Same.
5645 (insn-recog.o): Same.
5646 (tm-constsr.h): New target.
5647 (s-constrs-h): New target.
5649 * config/rs6000/constraints.md: New file.
5650 * config/rs6000/rs6000.c: Include tm-constrs.h.
5651 (num_insn_constant_wide): Convert to satisfies_constraint.
5652 (rs6000_rtx_costs): Convert to satisfies_constraint.
5653 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5654 (CONST_OK_FOR_LETTER_P): Delete.
5655 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5656 (EXTRA_CONSTRAINT): Delete.
5657 (EXTRA_MEMORY_CONSTRAINT): Delete.
5658 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5659 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5660 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5661 satisfies_constraint.
5663 * config/i386/i386.c: Include tm-constrs.h.
5665 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5667 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5668 * tree-data-ref.c (find_data_references_in_loop,
5669 compute_data_dependences_for_loop): Use pointers to VEC.
5670 (analyze_all_data_dependences): Adjust calls.
5671 * tree-data-ref.h (find_data_references_in_loop,
5672 compute_data_dependences_for_loop): Adjust declarations.
5673 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5674 compute_data_dependences_for_loop.
5676 2006-03-29 Paul Brook <paul@codesourcery.com>
5678 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5679 (movdf_vfp): Ditto.
5681 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5683 PR tree-optimization/26859
5684 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5685 division by zero.
5686 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5687 for the step after fold_convert.
5689 2006-03-29 Paul Brook <paul@codesourcery.com>
5691 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5692 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5694 2006-03-29 Paul Brook <paul@codesourcery.com>
5696 PR middle-end/23623
5697 * targhooks.c (default_narrow_bitfield): New fuction.
5698 * targhooks.h (default_narrow_bitfield): add prototype.
5699 * target.h (gcc_target): Add narrow_volatile_bitfield.
5700 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5701 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5702 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5703 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5705 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5707 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5708 tmake_file.
5709 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5710 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5711 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5712 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5713 (s390_function_arg_float): Allow SDmode and DDmode values to be
5714 passed in floating point registers.
5715 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5716 check with SCALAR_FLOAT_MODE_P.
5717 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5719 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5721 PR tree-optimization/25985
5722 * tree-ssa-loop-niter.c (number_of_iterations_le,
5723 number_of_iterations_ne): Make comments more precise.
5724 (number_of_iterations_cond): Add only_exit argument. Use the
5725 fact that signed variables do not overflow only when only_exit
5726 is true.
5727 (loop_only_exit_p): New.
5728 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5729 number_of_iterations_cond.
5731 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5733 PR tree-optimization/26643
5734 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5735 bit_field_refs.
5737 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5739 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5740 (divsi3_i4_int): Likewise.
5742 2006-03-28 Roger Sayle <roger@eyesopen.com>
5744 * expr.c (emit_group_store): Only create a new pseudo reg if the
5745 quantity it needs to hold isn't already a suitable pseudo.
5747 2006-03-28 Jeff Law <law@redhat.com>
5749 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5750 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5752 2006-03-28 Roger Sayle <roger@eyesopen.com>
5754 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5755 the equivalent ~X & Y, and the symmetry related transformations.
5756 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5757 ~X & Y, and symmetry related transforms.
5759 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5761 Revert my 2006-03-27 patches.
5763 2006-03-28 Roger Sayle <roger@eyesopen.com>
5765 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5766 ~(T1)X, when T1 and T2 are integer types of the same precision
5767 and (T2)X isn't an extension.
5769 2006-03-28 Jeff Law <law@redhat.com>
5771 PR tree-optimization/26796
5772 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5773 need EH edge cleanups rather than purging them immediately.
5774 (eliminate_degenerate_phis): Handle queued EH cleanups.
5776 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5778 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5779 from parent_var.
5781 2006-03-27 Roger Sayle <roger@eyesopen.com>
5783 PR middle-end/22524
5784 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5785 cast BIT_NOT_EXPR operand to the correct type.
5787 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5789 * tree-loop-linear.c: Don't include varray.h.
5790 (gather_interchange_stats, try_interchange_loops,
5791 linear_transform_loops): Use VEC instead of VARRAY.
5792 * lambda-mat.c: Don't include varray.h.
5793 * tree-chrec.c: Same.
5794 * lambda-trans.c: Same.
5795 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5796 VEC instead of VARRAY.
5797 * tree-vectorizer.h: Idem.
5798 * tree-data-ref.c (dump_data_references,
5799 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5800 initialize_data_dependence_relation, finalize_ddr_dependent,
5801 compute_all_dependences, find_data_references_in_loop,
5802 compute_data_dependences_for_loop, analyze_all_data_dependences,
5803 free_dependence_relation, free_dependence_relations,
5804 free_data_refs): Idem.
5805 * tree-data-ref.h (data_reference_p, subscript_p): New.
5806 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5807 VEC instead of VARRAY.
5808 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5809 (find_data_references_in_loop, compute_data_dependences_for_loop,
5810 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5811 dump_data_dependence_relations, free_dependence_relations,
5812 free_data_refs): Adjust declaration.
5813 (lambda_transform_legal_p): Move declaration here...
5814 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5815 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5816 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5817 vect_analyze_data_refs): Use VEC instead of VARRAY.
5818 * lambda.h (lambda_transform_legal_p): ...from here.
5819 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5820 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5821 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5822 tree-chrec.o): Don't depend on VARRAY_H.
5824 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5826 * rtl.def (Copyright): Update date.
5827 (DEPS_LIST): Change type of the second operand to 'int'.
5828 * target.h (Copyright): Update date.
5829 (struct gcc_target.speculate_insn): Change type of the second parameter
5830 to 'int'.
5831 * lists.c (Copyright): Update date.
5832 (alloc_DEPS_LIST): Change signature. Update reference to the second
5833 operand of the DEPS_LIST.
5834 (copy_DEPS_LIST_list): Update reference to the second operand of the
5835 DEPS_LIST.
5836 * rtl.h (Copyright): Update date.
5837 (alloc_DEPS_LIST): Update signature.
5838 * sched-int.h (Copyright): Update date.
5839 (ds_t): Change typedef to 'int'.
5840 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5842 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5844 * haifa-sched.c (Copyright): Update date.
5845 (try_ready): Change condition to restore non-speculative pattern
5846 of the instruction.
5847 (process_insn_depend_be_in_spec): Code to keep probability of the
5848 speculative dependence non-decreasing.
5850 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5852 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5853 shut up the compiler.
5855 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5857 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5858 to use lib prefix for target.
5859 ($(T)libic_invalidate_array_4-200.a): Likewise.
5860 ($(T)libic_invalidate_array_4a.a): Likewise.
5862 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5863 J"orn Rennecke <joern.rennecke@st.com>
5865 * superh.opt: New file.
5866 * sh.c (boardtype, osruntime): Remove.
5867 * superh.h (SUBTARGET_OPTIONS): Remove.
5868 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5870 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5871 arguments with ^ and/or [].
5873 * config.gcc (sh-*-*): Add quoting to account for quirk of
5874 Solaris /bin/sh.
5875 Replace == with = in enable_incomplete_targets test.
5877 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5878 with MASK_LITTLE_ENDIAN.
5880 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5881 * config/sh/sh.opt: Added to some comments.
5882 * config/sh/superh.h: Removed some chaff.
5884 * config/sh/sh.opt: Add m4-[1234]00* options.
5885 * config/sh/sh.c (sh_handle_option): Likewise.
5886 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5887 (ic_invalidate_array_4-100.o): New rule.
5888 ($(T)libic_invalidate_array_4-100.a): Likewise.
5889 (ic_invalidate_array_4-200.o): Likewise.
5890 ($(T)libic_invalidate_array_4-200.a): Likewise.
5891 (ic_invalidate_array_4a.o): Likewise.
5892 ($(T)libic_invalidate_array_4a.a): Likewise.
5893 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5894 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5895 m4-200*, and m4a*.
5896 * config/sh/crt1.asm: Merged in profiling code.
5897 * config/sh/superh.h (STARTFILE_SPEC): Override.
5898 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5899 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5900 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5902 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5903 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5904 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5906 * sh.opt (mpretend-cmove): New option.
5907 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5908 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5909 (movsicc): Add TARGET_PRETEND_CMOVE code.
5911 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5913 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5914 s390_class_max_nregs): New function prototypes.
5915 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5916 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5917 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5918 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5920 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5922 * dwarf2out.c (add_location_or_const_value_attribute): Call
5923 tree_add_const_value_attribute if nothing else works.
5924 (reference_to_unused): New.
5925 (rtl_for_decl_init): Use reference_to_unused to decide whether
5926 to output an initializer.
5928 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5930 PR target/26459
5931 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5932 peephole removing spe frob_di_df_2.
5934 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5936 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5937 (subscript_dependence_tester_1): Declared.
5938 (print_dir_vectors, print_dist_vectors): New.
5939 (debug_data_dependence_relation): New.
5940 (dump_data_dependence_relation): Print more details.
5941 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5942 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5943 (save_dist_v, save_dir_v, add_outer_distances,
5944 build_classic_dist_vector_1): New.
5945 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5946 Don't test for lambda_vector_lexico_pos.
5947 (same_access_functions, add_multivariate_self_dist,
5948 add_other_self_distances, dir_from_dist): New.
5949 (build_classic_dir_vector): Replace implementation almost identical to
5950 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5951 dir_from_dist.
5952 (subscript_dependence_tester_1): New.
5953 (subscript_dependence_tester): Handle the lexicographically negative
5954 distance vectors by recomputing the dependence relation.
5955 (compute_affine_dependence): Remove parameter loop_nest_depth.
5956 (compute_self_dependence): Don't call compute_subscript_distance.
5957 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5958 Add a parameter for the loop_nest.
5959 (find_loop_nest_1, find_loop_nest): New.
5960 (compute_data_dependences_for_loop): Compute the loop nest, and give
5961 up if the nest is not well formed.
5962 * tree-data-ref.h (loop_p): New.
5963 (struct data_dependence_relation): Replace size_vect field with
5964 loop_nest, a vec of loops.
5965 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5966 (DDR_LOOP_NEST): New.
5967 (print_dir_vectors, print_dist_vectors,
5968 debug_data_dependence_relation): Declared.
5969 (index_in_loop_nest): New.
5970 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5971 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5972 distance.
5974 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5976 * simplify-rtx.c (simplify_relational_operation): Call
5977 simplify_relational_operation_1 even if mode is VOIDmode.
5979 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5981 PR tree-optimization/26804
5982 * tree.h (DECL_CALL_CLOBBERED): New macro.
5983 (tree_decl_common): Add call_clobbered_flag.
5984 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5985 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5986 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5987 (mark_non_addressable): Ditto.
5988 * tree-ssa.c (verify_call_clobbered): New function.
5989 (verify_alias_info): Use it.
5990 * tree-pass.h (pass_reset_cc_flags): New prototype.
5991 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5992 (reset_cc_flags): New function.
5993 * passes.c (init_optimization_passes): Call reset_cc_flags after
5994 initializing referenced_vars.
5996 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5997 Roger Sayle <roger@eyesopen.com>
5999 PR middle-end/26717
6000 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6001 to 1.0 for non-real operands. Implement A / A optimization for
6002 complex operands.
6004 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6006 * config/i386/i386.c (size_cost): Correct the comment for
6007 cost of storing fp registers.
6008 (i386_cost): Likewise.
6009 (i486_cost): Likewise.
6010 (pentium_cost): Likewise.
6011 (pentiumpro_cost): Likewise.
6012 (k6_cost): Likewise.
6013 (athlon_cost): Likewise.
6014 (k8_cost): Likewise.
6015 (pentium4_cost): Likewise.
6016 (nocona_cost): Likewise.
6017 (generic64_cost): Likewise.
6018 (generic32_cost): Likewise.
6020 2006-03-24 Denis Chertykov <denisc@overta.ru>
6022 * config/avr/avr-protos.h (extra_constraint): Delete.
6023 (extra_constraint_Q): New declaration.
6024 * config/avr/constraints.md: New file.
6025 * config/avr/avr.md: Include it.
6026 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6027 (TMP_REGNO, ZERO_REGNO): Likewise.
6028 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6029 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6030 (extra_constraint): Delete.
6031 (extra_constraint_Q): Test for memory constraint 'Q'.
6032 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6033 (REG_CLASS_FROM_LETTER): Delete.
6034 (CONST_OK_FOR_LETTER_P): Delete.
6035 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6036 (EXTRA_CONSTRAINT): Delete.
6037 (TMP_REGNO): Delete.
6038 (ZERO_REGNO): Delete.
6040 2006-03-24 Jeff Law <law@redhat.com>
6042 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6043 directly. Call mark_new_vars_to_rename slightly earlier.
6045 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6047 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6048 (is_cxx): Likewise.
6049 (gen_compile_unit_die): Use new language types for Objective-C and
6050 Objective-C++.
6051 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6052 DW_LANG_C_plus_plus.
6054 PR 26793
6055 * config/t-darwin (crt3.o): Work around bug 26840.
6056 * config/darwin-crt3.c: Rewrite.
6057 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6059 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6061 * doc/invoke.texi: Document -femit-class-debug-always
6062 * common.opt: Add -femit-class-debug-always.
6064 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6066 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6067 index and base register.
6068 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6069 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6070 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6071 REGNO_OK_FOR_INDEX_P.
6072 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6073 ADDR_REGNO_P.
6074 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6075 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6076 REG_OK_FOR_BASE_P): Definitions removed.
6078 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6080 PR middle-end/26611
6081 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6082 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6083 set yet or weren't marked as local yet.
6085 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6087 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6088 the compiler.
6090 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6092 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6093 (rs6000_legitimate_small_data_p): Delete.
6094 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6095 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6096 and make static. Add forward declaration. Update uses.
6097 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6098 of offsettable_memref_p.
6099 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6100 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6102 2006-03-24 Jeff Law <law@redhat.com>
6104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6105 around bug in immediate-use iterator.
6107 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6109 PR target/26607
6110 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6111 or __LITTLE_ENDIAN__.
6113 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6115 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6116 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6117 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6118 * config/sh/sh.opt (mdiv=): Amend description.
6119 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6120 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6121 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6122 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6123 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6124 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6125 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6126 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6127 TARGET_DIVIDE_CALL_FP.
6129 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6131 * haifa-sched.c (choose_ready): Fix type of the local variable.
6132 Move local variables. Add comment.
6133 (check_reg_live): Change signature. Make callable from debugger.
6134 * sched-int.h (check_reg_live): Update signature.
6135 * sched-ebb.c (check_reg_live): Update parameters.
6136 * sched-rgn.c (check_reg_live): Ditto.
6137 (region_head_or_leaf_p): Check pointer before dereferencing.
6138 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6139 before reload on optimization levels below 1.
6141 2006-03-23 Richard Henderson <rth@redhat.com>
6143 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6144 tls symbols.
6146 PR target/26347
6147 * config/alpha/predicates.md (local_symbolic_operand): Reject
6148 weak symbols.
6150 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6152 PR tree-opt/26795
6153 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6154 expressions which have overflowed constants.
6156 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6158 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6160 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6162 * cfgloopmanip.c (create_loop_notes): Removed.
6163 * final.c (final_scan_insn): Do not handle loop notes.
6164 * jump.c (squeeze_notes): Ditto.
6165 * cfglayout.c (skip_insns_after_block,
6166 duplicate_insn_chain): Ditto.
6167 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6168 create_loop_notes.
6169 * cfgloop.h (create_loop_notes): Declaration removed.
6171 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6173 * varasm.c (output_constant_pool): Restore fnname and fndecl
6174 arguments.
6175 (assemble_start_function): Adjust call accordingly.
6176 (assemble_end_function): Likewise.
6178 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6180 PR mudflap/26789
6181 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6183 PR mudflap/26790
6184 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6186 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6188 PR driver/22600
6189 * system.h (ICE_EXIT_CODE): New macro.
6190 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6191 (diagnostic_action_after_output): Likewise.
6192 * gcc.c (fatal_ice): New function.
6193 (execute): Use it instead of fatal.
6194 (fancy_abort): Likewise.
6195 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6197 2006-03-22 Jeff Law <law@redhat.com>
6199 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6200 iv_analyze_result returning false.
6202 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6204 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6206 2006-03-22 Richard Henderson <rth@redhat.com>
6208 PR middle-end/26084
6209 * except.c (duplicate_eh_regions_0): New.
6210 (duplicate_eh_region_1): Duplicate the children of the node as
6211 well as the node itself. Link them up properly.
6212 (duplicate_eh_region_2): Merge into ...
6213 (duplicate_eh_regions): ... here. Take copy_region argument, and
6214 copy only a sub-tree if asked. Simplify copying and fixup.
6215 (eh_region_outer_p): New.
6216 * except.h (duplicate_eh_regions): Update decl.
6217 (eh_region_outer_p): Declare.
6218 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6219 (lower_omp_master): Likewise.
6220 (lower_omp_ordered): Likewise.
6221 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6222 (move_stmt_r): Use it to remap labels. Handle recursion vs
6223 remap_decls_p properly.
6224 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6225 (find_outermost_region_in_block): New.
6226 (new_label_mapper): New.
6227 (move_sese_region_to_fn): Copy eh information to the new function
6228 properly.
6229 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6230 argument.
6231 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6232 number.
6234 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6236 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6237 into shared libraries.
6239 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6241 * doc/md.texi: Refer to i386/constraints.md instead of
6242 i386/predicates.md.
6243 * config/i386/constraints.md: New file, extracted from...
6244 * config/i386/predicates.md: ...here.
6245 * config/i386/i386.md: Include constraints.md.
6247 2006-03-21 Jason Merrill <jason@redhat.com>
6249 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6251 PR middle-end/20297
6252 * expr.c (init_block_move_fn): Force default visibility.
6253 (init_block_clear_fn): Likewise.
6254 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6255 * targhooks.c (default_external_stack_protect_fail): Likewise.
6257 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6259 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6260 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6261 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6262 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6263 (loadgp): Use mips_current_loadgp_style.
6264 (loadgp_noshared): New pattern.
6265 (sibcall_internal): Use MIPS_CALL.
6266 (sibcall_value_internal): Likewise.
6267 (sibcall_value_multiple_internal): Likewise.
6268 (call_internal): Likewise.
6269 (call_value_internal): Likewise.
6270 (call_value_multiple_internal): Likewise.
6271 (call_split): Use MIPS_CALL and add an 'S' constraint.
6272 (call_value_split): Likewise.
6273 (call_value_multiple_split): Likewise.
6274 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6275 (-mshared): New option.
6276 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6277 (mips_current_loadgp_style): Declare.
6278 * config/mips/mips.c (mips_classify_symbol): Avoid using
6279 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6280 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6281 TARGET_ABSOLUTE_ABICALLS.
6282 (override_options): Adjust comments. Improve the warning that is
6283 issued when -mabicalls and -G are used together.
6284 (mips_file_start): Remove comment.
6285 (mips_current_loadgp_style): New function.
6286 (mips_gnu_local_gp): New variable.
6287 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6288 LOADGP_ABSOLUTE.
6289 (mips_output_function_prologue): Use mips_current_laodgp_style.
6290 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6291 the cprestore instruction.
6292 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6293 live for TARGET_ABSOLUTE_ABICALLS.
6294 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6295 (ASM_SPEC): Pass down -mshared and -mno-shared.
6296 (MIPS_CALL): New macro.
6297 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6298 definition.
6299 * doc/invoke.texi (-mabicalls): Update documentation.
6300 (-mshared): Document.
6302 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6304 * config/ia64/unwind-hpux.c: New file.
6305 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6307 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6309 PR libgomp/26384
6310 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6312 2006-03-21 Jeff Law <law@redhat.com>
6314 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6315 type conversions of a VR_VARYING source to a wider type.
6317 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6319 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6320 tm_file on Solaris 10 and later.
6321 (sparc64-*-solaris2*): Likewise.
6322 (sparc-*-solaris2*): Likewise.
6323 * config/sol26.h: Rename to config/sol2-6.h.
6324 * config/sol2-10.h: New file.
6326 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6328 PR tree-opt/26781
6329 * tree-ssa-pre.c (create_component_ref_by_pieces):
6330 Handle STRING_CST.
6332 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6334 PR c++/26690
6335 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6336 return it immediately.
6338 2006-03-21 Michael Matz <matz@suse.de>
6340 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6341 New members.
6342 (remove_arc, add_arc): Update num_out_arcs member.
6343 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6344 of out arcs.
6345 (cache_presence): New function.
6346 (compare_states_for_equiv): New function.
6347 (state_is_differed): Don't take number of outargs, adjust callers.
6348 Use new invariant for speeding up.
6349 (init_equiv_class): Create initial classes based on sorted
6350 input.
6351 (partition_equiv_class): Don't track out_arcs_num.
6352 (evaluate_equiv_classes): Call cache_presence on all states and
6353 sort them.
6355 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6357 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6358 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6359 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6360 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6361 callers changed.
6362 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6363 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6364 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6365 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6366 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6367 macros.
6368 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6369 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6370 (REGNO_REG_CLASS): ARGP is in PREGS.
6371 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6372 IREGS.
6373 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6374 to deal with those addresses.
6375 * addresses.h: New file.
6376 * caller-save.c: Include "addresses.h".
6377 (init_caller_save): Use new base_reg_class function.
6378 * rtl-factoring.c: Include "addresses.h".
6379 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6380 * recog.c: Include "addresses.h".
6381 (preprocess_constraints): Use new base_reg_class function.
6382 * regrename.c: Include "addresses.h".
6383 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6384 functions. Keep track of a new var INDEX_CODE to compute valid
6385 classes.
6386 (replace_oldest_value_addr): Likewise.
6387 (replace_oldest_value_mem): Use base_reg_class.
6388 * reload.c: Include "addresses.h".
6389 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6390 (find_reloads): Use new base_reg_class function.
6391 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6392 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6393 all callers and prototype changed.
6394 * reload1.c: Include "addresses.h".
6395 (maybe_fix_stack_asms): Use base_reg_class.
6396 * regclass.c: Include "addresses.h".
6397 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6398 (init_reg_autoinc): Use new base_reg_class function.
6399 (record_reg_classes): Likewise.
6400 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6401 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6402 Use new args to compute necessary class.
6404 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6405 regrename.o, rtl-factoring.o): Update dependencies.
6406 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6407 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6408 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6409 REG_OK_FOR_INDEX_P): Delete documentation.
6411 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6413 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6414 from V7 to V9 for Solaris 7 and above.
6416 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6418 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6419 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6420 argument pointers may not alias any other storage.
6421 * common.opt: Define option -fargument-noalias-anything.
6422 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6423 alias semantics is specified by flag_argument_noalias > 2.
6425 2006-03-20 Jeff Law <law@redhat.com>
6427 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6428 (pass_phi_only_cprop): Declare.
6429 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6430 with phi_only_cprop
6431 * tree-ssa-dom.c (degenerate_phi_result): New function.
6432 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6433 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6434 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6435 (eliminate_degenerate_phis): Likewise.
6436 (pass_phi_only_cprop): New pass descriptor.
6437 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6438 support code. Callers updated.
6439 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6440 (store_copy_prop): Likewise.
6441 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6443 2006-03-20 Jason Merrill <jason@redhat.com>
6445 PR c++/21764
6446 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6447 (push_visibility, pop_visibility): Likewise.
6448 * c-pragma.h: Declare them.
6450 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6452 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6454 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6455 parameter and use get_ebb_head_tail.
6456 (sh_md_init_global): Adjust uses of find_regmode_weight.
6458 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6460 * function.h (struct function) <x_tail_recursion_reentry>:
6461 Rename to x_stack_check_probe_note.
6462 (tail_recursion_reentry): Rename to stack_check_probe_note.
6463 * function.c: Replace tail_recursion_reentry with
6464 stack_check_probe_note everywhere.
6465 (expand_function_start): Only emit a note for
6466 stack_check_probe_note with -fstack-protect.
6467 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6469 * emit-rtl.c (remove_unnecessary_notes): Remove.
6470 (pass_remove_unnecessary_notes): Remove.
6471 * rtl.h (remove_unnecessary_notes): Remove prototype.
6472 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6473 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6474 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6476 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6478 PR tree-opt/26629
6479 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6480 (valid_in_set): Handle ARRAY_REF.
6481 Change "if min_variant or VH" to asserts.
6482 (create_component_ref_by_pieces): Handle ARRAY_REF.
6483 (create_expression_by_pieces): Likewise.
6484 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6486 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6488 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6489 is operand of switch, not str[0].
6491 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6493 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6494 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6496 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6498 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6499 end of insn_extra_address_constraint declaration.
6501 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6503 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6504 (no-sum-in-toc): Same.
6505 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6506 variables.
6507 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6508 NO_FP_IN_TOC for -fPIC instead of mask.
6510 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6511 (BOOT_LDFLAGS): Delete.
6512 (LDFLAGS): Delete.
6513 * config/rs6000/t-aix52: Same.
6515 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6516 (stmsi[345678]_power): New.
6518 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6520 * config/ia64/ia64.opt: Add empty line to end of file.
6522 2006-03-17 Richard Guenther <rguenther@suse.de>
6524 PR middle-end/26721
6525 * builtins.c (get_pointer_alignment): For component style references
6526 adjust alignment to the component type alignment. Make sure
6527 to adjust alignment for component access of constants.
6529 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6531 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6532 unconditional jump.
6534 2006-03-17 Paul Brook <paul@codesourcery.com>
6536 * doc/install.texi: Docuemnt --with-mode.
6537 * config.gcc: Add --with-mode for arm*-*-*.
6538 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6540 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6542 * sh.c (max_labelno_before_reorg): New variable.
6543 (sh_reorg): Initialize it.
6544 (find_barrier): Check max_labelno_before_reorg before using
6545 label_to_alignment. Take length of explicit alignment insns
6546 into account. When seeing a UNSPECV_CONST_END, return it.
6548 * sh.c (fixup_mova): Set mode of affected label to QImode.
6549 (untangle_mova): New function.
6550 (find_barrier): Use it. Check mode of label before decrementing
6551 num_mova.
6552 (sh_reorg): Likewise.
6553 Set mode of all insns back to VOIDmode.
6555 * sh.c (MOVA_LABELREF): New macro.
6556 (mova_p, fixup_mova, sh_reorg): Use it.
6557 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6558 ADDR_DIFF_VEC matches mova.
6560 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6562 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6563 with ATTRIBUTE_UNUSED.
6565 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6567 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6568 pointer, instead of assuming it is possible to derive the
6569 correct args size from a call insn.
6571 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6573 * rtl.h (CONST_INT_P): Define.
6574 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6575 instead of GET_CODE(x) == CONST_INT.
6576 (vax_rtx_costs): Likewise.
6577 (vax_output_int_move): Likewise.
6578 (vax_output_int_add): Likewise.
6579 (legitimate_constant_address_p): Likewise.
6580 (index_term_p): Likewise.
6581 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6582 * config/vax/vax.md (and<mode>3): Likewise.
6583 (ashrsi3): Likewise.
6584 (extv): Likewise.
6585 (movstricthi): Likewise.
6586 (movstrictqi): Likewise.
6587 (rotrsi3): Likewise.
6588 (five unnamed insns): Likewise.
6590 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6592 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6593 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6594 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6595 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6596 Pass to ASM_OUTPUT_DWARF_OFFSET.
6597 * dwarf2out.c (debug_frame_section): New.
6598 (output_call_frame_info): Use debug_frame_section. Pass it to
6599 dw2_asm_output_offset.
6600 (output_die): Pass appropriate section to dw2_asm_output_offset.
6601 (output_compilation_unit_header): Likewise.
6602 (output_pubnames): Likewise.
6603 (output_aranges): Likewise.
6604 (enum dw_val_class): Break dw_val_class_lbl_offset into
6605 dw_val_class_lineptr and dw_val_class_macptr.
6606 (add_AT_lbl_offset): Delete.
6607 (add_AT_lineptr): New.
6608 (add_AT_macptr): New.
6609 (AT_lbl): Expect a lineptr or macptr.
6610 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6611 (attr_checksum): Likewise.
6612 (same_dw_val_p): Likewise.
6613 (size_of_die): Likewise.
6614 (value_format): Likewise.
6615 (output_die): Likewise.
6616 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6617 add_AT_lbl_offset.
6618 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6619 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6620 * config/darwin-protos.h (darwin_file_start): New.
6621 (darwin_asm_output_dwarf_offset): New.
6622 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6623 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6624 darwin_file_start.
6625 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6626 if not EH section; simplify.
6627 (darwin_file_start): New.
6628 (darwin_asm_output_dwarf_offset): New.
6629 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6630 mark as 'debug'.
6631 (DEBUG_INFO_SECTION): Likewise.
6632 (DEBUG_ABBREV_SECTION): Likewise.
6633 (DEBUG_ARANGES_SECTION): Likewise.
6634 (DEBUG_MACINFO_SECTION): Likewise.
6635 (DEBUG_LINE_SECTION): Likewise.
6636 (DEBUG_LOC_SECTION): Likewise.
6637 (DEBUG_PUBNAMES_SECTION): Likewise.
6638 (DEBUG_STR_SECTION): Likewise.
6639 (DEBUG_RANGES_SECTION): Likewise.
6640 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6641 (ASM_OUTPUT_DWARF_OFFSET): New.
6643 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6645 * config.gcc (tm_defines): Always add to previous value rather
6646 than replacing it.
6648 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6650 * config/mips/predicates.md (splittable_const_int_operand): New,
6651 split from move_operand.
6652 (splittable_symbolic_operand): New.
6653 (move_operand): Add commentary. Use splittable_const_int_operand.
6654 Inline mips_atomic_symbolic_constant_p.
6655 * config/mips/mips.md: Add combine splitters for handling moves
6656 of splittable_const_int_operands and splittable_symbolic_operands.
6657 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6658 (mips_split_symbol): Declare.
6659 (mips_move_integer): Declare.
6660 * config/mips/mips.c (mips_split_p): Make global.
6661 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6662 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6663 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6664 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6665 (mips_offset_within_object_p): Handle block symbols.
6666 (mips_atomic_symbolic_constant_p): Delete.
6667 (mips_cannot_force_const_mem): Return false for constants that
6668 mips_legitimize_move can handle.
6669 (mips_use_blocks_for_constant_p): New function.
6670 (mips_split_symbol): Make global.
6671 (mips_move_integer): Likewise. Add a temporary register argument.
6672 (mips_legitimize_const_move): Use splittable_const_int_operand and
6673 splittable_symbolic_operand.
6674 (mips_use_anchors_for_symbol_p): New function.
6675 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6676 (mips_split_p): Declare.
6678 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6680 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6681 (mips*-*-linux*): Likewise.
6683 2006-03-16 Roger Sayle <roger@eyesopen.com>
6684 Daniel Speyer <dspeyer@wam.umd.edu>
6686 PR middle-end/18259
6687 * tree-dump.c (dump_real): New function.
6688 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6689 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6690 (tree-dump.o): Add $(REAL_H) to the dependencies.
6692 2006-03-16 Roger Sayle <roger@eyesopen.com>
6694 PR middle-end/21781
6695 * real.c (real_from_string): If the mantissa is zero, don't bother
6696 parsing the exponent as the result should always be zero.
6698 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6700 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6704 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6705 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6706 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6707 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6708 ia64_sched_finish_global): New static functions to implement
6709 hooks from gcc_target.sched.
6710 (spec_check_no, max_uid, pending_data_specs): New static variables.
6711 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6712 ia64_spec_check_src_p): New static functions.
6713 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6714 (TARGET_SCHED_ADJUST_COST): Removed.
6715 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6716 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6717 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6718 TARGET_SCHED_GEN_CHECK,
6719 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6720 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6721 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6722 Fixed to handle speculation checks.
6723 (rtx_needs_barrier): Fixed to handle speculative loads and
6724 their checks.
6725 (ia64_variable_issue): Added code to count speculative loads and their
6726 checks.
6727 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6728 speculative loads.
6729 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6730 New enumerations.
6731 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6732 New constants.
6733 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6734 (ia64_reorg): Reset stops_p to NULL after it is freed.
6735 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6736 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6737 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6738 chk_a.
6739 (data_speculative, control_speculative, check_load): New attributes.
6740 (mov<mode>_advanced, mov<mode>_speculative,
6741 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6742 zero_extend<mode>di2_speculative,
6743 zero_extend<mode>di2_speculative_advanced): New patterns for
6744 data and control speculative loads.
6745 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6746 check loads.
6747 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6748 New pattern for data and control speculation checks.
6749 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6750 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6751 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6752 Auxiliary definitions for the patterns.
6753 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6754 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6755 constraints.
6756 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6757 for speculation.
6758 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6759 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6760 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6761 New resource constraints.
6762 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6763 for speculation.
6764 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6765 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6766 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6767 msched-in-control-spec, msched-ldc, msched-control-ldc,
6768 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6769 msched-prefer-non-control-spec-insns,
6770 msched-count-spec-in-critical-path): New flags to tune speculative
6771 scheduling.
6772 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6773 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6774 msched-in-control-spec, msched-ldc, msched-control-ldc,
6775 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6776 msched-prefer-non-control-spec-insns,
6777 msched-count-spec-in-critical-path): Document new flags.
6779 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6781 * target.h (struct spec_info_def): New opaque declaration.
6782 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6783 speculate_insn, needs_block_p, gen_check,
6784 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6785 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6786 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6787 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6788 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6789 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6790 gcc_target.sched.
6791 (TARGET_SCHED): Use new macros.
6792 * rtl.h (copy_DEPS_LIST_list): New prototype.
6793 * sched-int.h (struct sched_info): Change signature of new_ready field,
6794 adjust all initializations. New fields: add_remove_insn,
6795 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6796 region_head_or_leaf_p.
6797 (struct spec_info_def): New structure declaration.
6798 (spec_info_t): New typedef.
6799 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6800 recovery_block, orig_pat.
6801 (glat_start, glat_end): New variables declaraions.
6802 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6803 New access macros.
6804 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6805 DETACH_LIFE_INFO, USE_GLAT.
6806 (enum SPEC_SCHED_FLAGS): New enumeration.
6807 (NOTE_NOTE_BB_P): New macro.
6808 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6809 attach_life_info, debug_spec_status, check_reg_live): New functions.
6810 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6811 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6812 sched-ebb.c
6813 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6814 * ddg.c (get_block_head_tail): Adjust all uses.
6815 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6816 (sms_sched_info): Initialize new fields.
6817 (contributes_to_priority): Removed.
6818 * haifa-sched.c (params.h): New include.
6819 (get_block_head_tail): Adjust all uses.
6820 (ISSUE_POINTS): New macro.
6821 (glat_start, glat_end): New global variables.
6822 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6823 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6824 old_last_basic_block, before_recovery, current_sched_info_var,
6825 rgn_n_insns, luid): New static variables.
6826 (insn_cost1): New function. Move logic from insn_cost to here.
6827 (find_insn_reg_weight1): New function. Move logic from
6828 find_insn_reg_weight to here.
6829 (reemit_notes, move_insn, max_issue): Change signature.
6830 (move_insn1): Removed.
6831 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6832 extend_bb): New static functions to support extension of scheduler's
6833 data structures.
6834 (generate_recovery_code, process_insn_depend_be_in_spec,
6835 begin_speculative_block, add_to_speculative_block,
6836 init_before_recovery, create_recovery_block, create_check_block_twin,
6837 fix_recovery_deps): New static functions to support
6838 generation of recovery code.
6839 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6840 restore_bb_notes, move_block_after_check, move_succs): New static
6841 functions to support ebb scheduling.
6842 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6843 functions to support handling of register live information.
6844 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6845 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6846 add_jump_dependencies): New static functions.
6847 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6848 consistancy checking.
6849 (debug_spec_status): New function to call from debugger.
6850 (priority): Added code to handle speculation checks.
6851 (rank_for_schedule): Added code to distinguish speculative instructions.
6852 (schedule_insn): Added code to handle speculation checks.
6853 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6854 Fixed to handle ebbs.
6855 (move_insn): Added code to handle ebb scheduling.
6856 (max_issue): Added code to use ISSUE_POINTS of instructions.
6857 (choose_ready): Added code to choose between speculative and
6858 non-speculative instructions.
6859 (schedule_block): Added code to handle ebb scheduling and scheduling of
6860 speculative instructions.
6861 (sched_init): Initialize new variables.
6862 (sched_finish): Free new variables. Print statistics.
6863 (try_ready): Added code to handle speculative instructions.
6864 * lists.c (copy_DEPS_LIST_list): New function.
6865 * sched-deps.c (extend_dependency_caches): New function. Move logic
6866 from create_dependency_caches to here.
6867 (get_dep_weak, ds_merge): Make global.
6868 * genattr.c (main): Code to output prototype for
6869 dfa_clear_single_insn_cache.
6870 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6871 (output_dfa_clean_insn_cache_func): Code to output
6872 dfa_clear_single_insn_cache function.
6873 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6874 n_insns.
6875 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6876 Removed.
6877 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6878 New static variables.
6879 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6880 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6881 struct sched_info.
6882 (ebb_sched_info): Initialize new fields.
6883 (get_block_head_tail): Adjust all uses.
6884 (compute_jump_reg_dependencies): Fixed to use glat_start.
6885 (schedule_ebb): Code to remove unreachable last block.
6886 (schedule_ebbs): Added code to update register live information.
6887 * sched-rgn.c (region_sched_info): Initialize new fields.
6888 (get_block_head_tail): Adjust all uses.
6889 (last_was_jump): Removed. Adjust users.
6890 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6891 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6892 Implement new hooks.
6893 (check_dead_notes1): New static function.
6894 (struct region): New fields: dont_calc_deps, has_real_ebb.
6895 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6896 (BB_TO_BLOCK): Fixed to handle EBBs.
6897 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6898 (ebb_head): New static variable.
6899 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6900 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6901 new fields.
6902 (compute_dom_prob_ps): New assertion.
6903 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6904 global_live_at_start.
6905 (init_ready_list): New assertions.
6906 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6907 (new_ready): Add support for BEGIN_CONTROL speculation.
6908 (schedule_insns): Fixed code that updates register live information
6909 to handle EBBs.
6910 (schedule_region): Fixed to handle EBBs.
6911 (init_regions): Use extend_regions and check_dead_notes1.
6912 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6913 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6914 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6915 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6916 TARGET_SCHED_GEN_CHECK,
6917 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6918 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6919 * doc/invoke.texi (max-sched-insn-conflict-delay,
6920 sched-spec-prob-cutoff): Document.
6922 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6924 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6925 inter_tick, queue_index.
6926 (struct sched_info): Change signature of init_ready_list field.
6927 Adjust all initializations.
6928 (RESOLVED_DEPS): New access macro.
6929 (ready_add): Remove prototype.
6930 (try_ready): Add prototype.
6931 * sched-rgn.c (init_ready_list): Use try_ready.
6932 (schedule_region): Initialize
6933 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6934 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6935 (init_ready_list): Use try_ready.
6936 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6937 * lists.c (remove_list_elem): Remove `static'.
6938 (remove_free_INSN_LIST_elem): New function.
6939 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6940 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6941 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6942 New constants.
6943 (readyp): New variable.
6944 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6945 change_queue_index, resolve_dep): New static functions.
6946 (try_ready): New function. Adjust callers in sched-rgn.c and
6947 sched-ebb.c to use it instead of ready_add.
6948 (clock_var): Move at the begining of file.
6949 (rank_for_schedule): Fix typo.
6950 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6951 (ready_lastpos): Enforce assertion.
6952 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6953 update all callers.
6954 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6955 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6956 (queue_to_ready): Use free_INSN_LIST_list.
6957 (early_queue_to_ready): Fix typo.
6958 (schedule_block): Init readyp. Move init_ready_list call after the
6959 initialization of clock_var. Fix error in rejecting insn by
6960 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6961 that previously corrected INSN_TICKs. Add code for handling
6962 QUEUE_INDEX.
6963 (set_priorities): Fix typo.
6964 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6965 Clarify comment and code that keeps current_sched_info->next_tail
6966 non-null.
6968 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6970 * sched-rgn.c (extend_rgns): New static function.
6971 (find_rgns): Use it.
6972 (gather_region_statistics, print_region_statistics): New static
6973 functions.
6974 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6975 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6977 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6978 Andrey Belevantsev <abel@ispras.ru>
6980 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6981 * lists.c (unused_deps_list): New variable.
6982 (free_list): Add assertions to verify the proper distinguishing
6983 between INSN_LISTs and DEPS_LISTs.
6984 (find_list_elem, remove_list_elem, remove_list_node): New static
6985 functions.
6986 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6987 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6988 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6989 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6990 an INSN_LIST.
6991 (free_INSN_LIST_node): Likewise.
6992 * modulo-sched.c (current_sched_info): Initialize flags field.
6993 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6994 * rtl.def (DEPS_LIST): Define.
6995 * rtl.h: Declare new functions from lists.c.
6996 * sched-deps.c (spec_dependency_cache): New static variable.
6997 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6998 (add_dependence): Change return type to void. Move the logic to ...
6999 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7000 (delete_all_dependences): Add comment about forward_dependency_cache.
7001 Handle spec_dependency_cache. Handle DEPS_LISTs.
7002 (fixup_sched_groups): Clarify the change of priority of output
7003 and anti dependencies.
7004 (sched_analyze_2): Adjust add_dependence calls to create data
7005 speculative dependence.
7006 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7007 Adjust all callers. Handle DEPS_LISTS.
7008 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7009 presence of speculation.
7010 (init_dependency_caches, free_dependency_caches):
7011 Handle spec_dependency_cache.
7012 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7013 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7014 New static functions.
7015 (add_or_update_back_dep, add_or_update_back_forw_dep,
7016 add_back_forw_dep, delete_back_forw_dep): New functions.
7017 * sched-int.h (ds_t, dw_t): New typedefs.
7018 (struct sched_info): Add new field flags.
7019 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7020 Prototype new sched-deps.c functions.
7021 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7022 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7023 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7024 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7025 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7026 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7027 New constants.
7028 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7029 New enums.
7030 * sched-rgn.c (current_sched_info): Initialize flags field.
7031 (schedule_insns): Initialize current_sched_info before the sched_init
7032 call.
7033 * sched-ebb.c (current_sched_info): Initialize flags field.
7034 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7035 Call add_or_update_back_dep instead of add_dependence.
7036 Create control speculative dependencies.
7037 (schedule_insns): Initialize current_sched_info before the sched_init
7038 call.
7040 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7042 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7043 fs->signal_frame.
7044 (sh_fallback_frame_state): Likewise.
7046 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7048 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7049 Do switch on default_use_cxa_atexit.
7050 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7051 * config/darwin-crt3.o: New.
7052 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7053 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7054 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7055 OS version.
7056 * config/rs6000/t-darwin: Move crt2.o building to here.
7057 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7058 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7059 of __cxa_atexit.
7061 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7063 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7064 from '! xxx' to '!xxx' for coding-style conformance.
7065 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7066 (EXTRA_CONSTRAINT): Likewise.
7067 * config/vax/vax.md (four unnamed insns): Likewise.
7069 2006-03-15 Paul Brook <paul@codesourcery.com>
7071 * config/arm/arm.c (minipool_pad): New.
7072 (add_minipool_forward_ref): Include pool alignment padding in address
7073 calculation.
7074 (push_minipool_fix): Set minipool_pad.
7075 (minipool_pad): Ditto.
7077 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7079 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7080 instead of GET_CODE() == MEM and REG_P() instead of
7081 GET_CODE() == REG.
7082 (print_operand_address): Likewise.
7083 (vax_address_cost): Likewise.
7084 (vax_rtx_costs): Likewise.
7085 (vax_notice_update_cc): Likewise.
7086 (vax_output_int_add): Likewise.
7087 (INDEX_REGISTER_P): Likewise.
7088 (BASE_REGISTER_P): Likewise.
7089 (nonindexed_address_p): Likewise.
7090 (vax_mode_dependent_address_p): Likewise.
7091 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7092 (PRINT_OPERAND): Likewise.
7093 * config/vax/vax.md (ashlsi3): Likewise.
7094 (ashlsi3): Likewise.
7095 (some more unnamed insns): Likewise.
7097 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7099 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7100 iterator-style macro.
7101 (mark_control_dependent_edges_necessary): Update the use of
7102 EXECUTE_IF_CONTROL_DEPENDENT.
7104 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7106 * config/sh/predicates.md (cache_address_operand): Special.
7107 (ua_address_operand): Likewise.
7109 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7111 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7112 loop notes.
7113 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7115 2006-03-15 Andreas Schwab <schwab@suse.de>
7117 * gensupport.c (identify_predicable_attribute): Don't free p_false
7118 when it is still in use.
7120 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7122 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7123 the default setting here.
7125 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7127 * tree-pass.h (pass_cfg): Remove.
7128 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7129 * passes.c (pass_cfg): Don't run it.
7131 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7133 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7134 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7135 VEC(char,heap) *.
7136 (stack_regs_mentioned): Update the uses of
7137 stack_regs_mentioned_data. Don't access the array beyond its
7138 end.
7139 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7140 Don't include gt-reg-stack.h.
7142 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7143 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7145 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7147 PR middle-end/26684
7148 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7149 STACK_REGS.
7151 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7153 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7155 2006-03-14 Richard Guenther <rguenther@suse.de>
7157 PR tree-optimization/26672
7158 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7159 SSA form.
7161 2006-03-14 Richard Guenther <rguenther@suse.de>
7163 PR tree-optimization/26667
7164 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7165 node for the callees. Always allow inlining if it will shrink
7166 the function size.
7168 2006-03-14 Richard Guenther <rguenther@suse.de>
7170 PR middle-end/26659
7171 * builtins.c (get_pointer_alignment): Prefer alignment
7172 information from decls over that from types.
7174 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7176 PR target/26657
7177 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7179 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7181 * config/rs6000/rs6000.opt (mdlmzb): New option.
7182 (msched-prolog, msched-epilog): Use Var not Mask.
7183 * doc/invoke.texi (-mdlmzb): Document.
7184 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7185 MASK_SCHED_PROLOG.
7186 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7187 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7189 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7191 PR rtl-optimization/25739
7192 * bt-load.c (augment_live_range): Free tos pointer.
7194 * gensupport.c (identify_predicable_attribute): Free
7195 p_false pointer.
7196 * gcov.c (create_file_names): Free name pointer.
7198 2006-03-13 Roger Sayle <roger@eyesopen.com>
7200 PR middle-end/26557
7201 * stmt.c (emit_case_nodes): Handle the case where the index is a
7202 CONST_INT, where the comparison mode is specified by the index type.
7204 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7206 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7207 is defined.
7209 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7211 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7212 (*branch_fp_inverted): Likewise.
7214 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7216 PR middle-end/25989
7217 * omp-low.c (expand_omp_for_generic): Mark istart0
7218 and iend0 as addressable.
7220 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7222 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7224 2006-03-13 Jeff Law <law@redhat.com>
7226 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7227 virtual operands are interesting.
7228 (vrp_visit_stmt): Corresponding changes.
7230 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7232 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7233 of RETS.
7234 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7235 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7236 * config/bfin/crti.S: Use it instead of __PIC__.
7237 * config/bfin/crtn.S: Likewise.
7239 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7240 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7241 not if flag_pic.
7242 Lose 'G' modifier for call operand.
7243 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7244 recognize 'G' modifier.
7246 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7248 PR middle-end/18859
7249 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7250 * stmt.c (expand_case): Likewise.
7252 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7254 PR rtl-optimization/26254
7255 * loop-invariant.c (seq_insns_valid_p): New function.
7256 (move_invariant_reg): Only emit new code if it is valid.
7258 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7260 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7261 Removed.
7262 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7263 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7264 (commit_one_edge_insertion): Do not look for loop notes.
7266 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7268 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7269 flag_test_coverage out of loop.
7271 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7273 * final.c (shorten_branches): Remove outdated comment, and turn
7274 the if branch that guards it to continue.
7276 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7278 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7279 * cfgloop.h (struct loop): Remove unused fields.
7281 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7283 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7284 (-dL, -fdump-rtl-loop2): Update the dump file names
7286 * doc/invoke.texi: Update dump file names.
7288 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7290 * predict.c (estimate_probability): Remove.
7291 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7292 * basic-block.h (estimate_probability): Remove prototype.
7293 * passes.c (finish_optimization_passes): Dump branch prediction or
7294 profiling heuristics to the .profile tree dump.
7295 (init_optimization_passes): Unqueue pass_branch_prob.
7297 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7299 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7301 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7302 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7304 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7306 * function.h (frame_offset_overflow): Declare.
7307 * function.c (frame_offset_overflow): New function.
7308 (assign_stack_local_1): Call it to detect that the offset overflows.
7309 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7311 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7313 * config/sh/sh.c: Include alloc-pool.h.
7314 (label_ref_list_pool): New alloc pool.
7315 (label_ref_list_t): New type for lists of labels.
7316 (struct pool_node): Make wend a label_ref_list_t.
7317 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7318 references.
7319 (dump_table): Likewise.
7320 (sh_reorg): Set up the alloc pool before using add_constant and
7321 dump_table, and destroy it when finishing.
7323 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7325 * config/mips/mips.c: Remove redundant comment.
7327 2006-03-10 Jason Merrill <jason@redhat.com>
7329 PR c/26004
7330 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7331 the target was declared 'register'.
7333 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7335 * genpreds.c (write_insn_constraint_len): Change definition of
7336 insn_constraint_len to return size_t to match the declaration.
7338 2006-03-10 DJ Delorie <dj@redhat.com>
7340 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7341 start at zero.
7342 (m32c_expand_insv): Fix test for an AND mask.
7344 2006-03-10 Richard Guenther <rguenther@suse.de>
7346 PR middle-end/26565
7347 * builtins.c (get_pointer_alignment): Handle component
7348 references for field alignment.
7350 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7352 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7353 when building with libgloss.
7354 (sh*elf): Implement --without-fp option.
7355 (sh64-superh-linux*): Don't multilib.
7357 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7359 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7361 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7363 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7364 Set it when one of the replacement functions returned true.
7365 Return TODO_cleanup_cfg if cfgchanged is true.
7366 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7368 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7370 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7371 instead of gen_lowpart.
7373 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7375 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7376 interface.
7377 (mips_output_order_conditional_branch): Declare.
7378 * config/mips/mips.h (MIPS_BRANCH): New macro.
7379 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7380 for the comparison. Use gen_condjump.
7381 (mips_output_conditional_branch): Rework interface to take the
7382 asm templates for a direct branch and the inverse of a direct branch.
7383 (mips_output_order_conditional_branch): New function.
7384 (mips_builtin_branch_and_move): New function.
7385 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7386 branch condition. Use gen_single_cc as the condition for
7387 __builtin_mips_upper_* or __builtin_mips_lower_*.
7388 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7389 Use VOIDmode for the branch condition.
7390 * config/mips/predicates.md (order_operator): New predicate.
7391 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7392 (branch_fp): Rename to...
7393 (*branch_fp): ...this. Remove mode from comparison operator.
7394 Use new mips_output_conditional_branch interface.
7395 (branch_fp_inverted): Rename to...
7396 (*branch_fp_inverted): ...this and update as for *branch_fp.
7397 (*branch_zero<mode>): Rename to...
7398 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7399 Use mips_output_order_conditional_branch. Only accept ordered
7400 comparisons.
7401 (*branch_zero<mode>_inverted): Rename to...
7402 (*branch_order<mode>_inverted): ...this and update as for
7403 *branch_order<mode>.
7404 (*branch_equality<mode>): Accept zero as the second operand to
7405 the equality operator. Use the new mips_output_conditional_branch
7406 interface.
7407 (*branch_equality<mode>_inverted): Likewise.
7408 (condjump): New expander.
7409 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7410 operator.
7411 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7412 (bc1any2t, bc1any2f): Likewise.
7413 (single_cc): New expander.
7414 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7416 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7418 * doc/md.texi: Update documentation of MIPS constraints.
7419 * config/mips/constraints.md: New file.
7420 * config/mips/mips.md: Include it.
7421 * config/mips/mips.c (mips_char_to_class): Delete.
7422 (override_options): Don't initialize mips_char_to_class.
7423 * config/mips/mips.h (mips_char_to_class): Delete.
7424 (REG_CLASS_FROM_LETTER): Delete.
7425 (CONST_OK_FOR_LETTER_P): Delete.
7426 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7427 (EXTRA_CONSTRAINT_Y): Delete.
7428 (EXTRA_CONSTRAINT_STR): Delete.
7429 (CONSTRAINT_LEN): Delete.
7430 (EXTRA_MEMORY_CONSTRAINT): Delete.
7432 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7434 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7435 original fn's eh regions.
7437 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7439 * fold-const.c (build_range_check): Make sure to use a valid type to
7440 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7441 transformation.
7443 (range_predecessor): New static function.
7444 (range_successor): Likewise.
7445 (merge_ranges): Use them to compute predecessors and successors of
7446 range bounds.
7448 2006-03-09 Roger Sayle <roger@eyesopen.com>
7450 PR middle-end/26561
7451 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7452 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7454 2006-03-08 DJ Delorie <dj@redhat.com>
7456 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7457 (addpsi3): Expand to include memory operands. Remove
7458 reload-specific splits.
7459 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7460 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7461 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7462 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7463 (shift1_qi, shift1_hi, insv): New.
7464 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7465 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7466 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7467 cond_to_int): New.
7468 * config/m32c/m32c-protos.h: Update as needed.
7469 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7470 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7471 Fail for unrecognized R* constraints.
7472 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7473 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7474 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7475 Add Sp constraint.
7476 (m32c_init_libfuncs): New.
7477 (m32c_legitimate_address_p): Add debug wrapper.
7478 (m32c_rtx_costs): New.
7479 (m32c_address_cost): New.
7480 (conversions): Add 'B' prefix.
7481 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7482 operands, or word regnames for QI operands. 'B' prints bit
7483 position.
7484 (m32c_expand_setmemhi): New.
7485 (m32c_expand_movmemhi): New.
7486 (m32c_expand_movstr): New.
7487 (m32c_expand_cmpstr): New.
7488 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7489 (m32c_expand_neg_mulpsi3): Handle non-ints.
7490 (m32c_cmp_flg_0): New.
7491 (m32c_expand_movcc): New.
7492 (m32c_expand_insv): New.
7493 (m32c_scc_pattern): New.
7494 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7495 a0/a1 out of SIregs.
7496 (STORE_FLAG_VALUE): New.
7497 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7498 code macros.
7499 (no_insn): New.
7500 * config/m32c/mov.md: Make constraints more liberal.
7501 (zero_extendqihi2): Optimize r0/r1 case.
7502 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7503 * config/m32c/predicates.md (m32c_any_operand): New.
7504 (m32c_nonimmediate_operand): New.
7505 (m32c_hl_operand): New.
7506 (m32c_r3_operand): New.
7507 (ap_operand): New.
7508 (ma_operand): New.
7509 (memsym_operand): New.
7510 (memimmed_operand): New.
7511 (a_qi_operand): New.
7512 (m32c_eqne_operator): New.
7513 (m32c_1bit8_operand): New.
7514 (m32c_1bit16_operand): New.
7515 (m32c_1mask8_operand): New.
7516 (m32c_1mask16_operand): New.
7517 * config/m32c/blkmov.md: New file.
7518 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7520 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7522 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7523 unsigned to fix signed/unsigned comparison issue in
7524 DWARF2_FRAME_REG_OUT.
7525 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7526 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7528 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7529 of ptr into the ENABLE_CHECKING section.
7531 2006-03-08 Jeff Law <law@redhat.com>
7533 * tree-vrp.c (infer_value_range): Only count pointer uses
7534 and dereferences if -fdelete-null-pointer-checks is enabled.
7536 * tree-vrp.c (find_assert_locations): Infer value ranges for
7537 single use pointers, but do not create ASSERT_EXPRs for them.
7538 When a non-null range is inferred for a pointer, backwards
7539 propagate that range to other equivalent pointers through the
7540 use-def chain.
7542 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7544 PR bootstrap/26500
7545 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7546 language hook targets.
7547 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7548 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7549 if language hook targets were missing.
7551 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7553 * tree-ssa-opfinalize.h: Removed.
7554 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7555 dependency.
7556 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7557 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7558 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7559 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7560 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7561 finalize_ssa_v_must_def_ops): New.
7563 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7565 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7566 block as parameter.
7568 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7570 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7572 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7573 addresses with offsets; reorganize.
7575 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7576 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7577 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7579 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7581 PR target/26588
7582 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7584 2006-03-08 Ben Elliston <bje@au.ibm.com>
7586 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7588 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7590 PR gomp/26238
7591 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7592 expansion.
7594 2006-03-07 Richard Guenther <rguenther@suse.de>
7596 PR tree-optimization/26587
7597 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7599 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7601 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7603 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7605 * hooks.c (hook_bool_mode_rtx_true): New function.
7606 * hooks.h (hook_bool_mode_rtx_true): Declare.
7607 * toplev.c (compile_file): Call output_shared_constant_pool.
7608 * varasm.c (shared_constant_pool): New variable.
7609 (assemble_start_function, assemble_end_function): Remove arguments
7610 from call to output_constant_pool.
7611 (create_constant_pool): New function, split out from...
7612 (init_varasm_status): ...here.
7613 (force_const_mem): Choose between the shared and per-function constant
7614 pools. Set current_function_uses_const_pool when reusing old entries
7615 as well as when creating new ones.
7616 (mark_constant): Ignore data argument.
7617 (mark_constants): Remove pool argument.
7618 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7619 to decide whether the function uses a constant pool.
7620 (output_constant_pool_contents): New function, split out from...
7621 (output_constant_pool): ...here.
7622 (output_shared_constant_pool): New function.
7623 (init_varasm_once): Initialize shared_constant_pool.
7624 * output.h (output_constant_pool): Delete.
7625 (output_shared_constant_pool): Declare.
7626 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7627 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7629 2006-03-06 Nick Clifton <nickc@redhat.com>
7631 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7632 flag_strength_reduce.
7634 2006-03-06 Ben Elliston <bje@au.ibm.com>
7636 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7637 x86_64-*-linux* configurations.
7639 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7640 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7642 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7644 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7645 Remove.
7646 * basic-block.h: Remove the extern for
7647 rediscover_loops_after_threading.
7649 * cfgloop.c (cancel_loop): Make it static.
7650 * cfgloop.h: Remove the prototype for cancel_loop.
7652 * flow.c (recompute_reg_usage): Make it static.
7653 * rtl.h: Remove the prototype for recompute_reg_usage.
7655 * function.c (use_return_register): Make it static.
7656 * function.h: Remove the prototype.
7658 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7660 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7661 Remove.
7662 * recog.h: Remove the prototype for
7663 validate_change_maybe_volatile.
7665 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7667 * rtlanal.c (replace_reg): Remove.
7668 * rtl.h: Remove the prototype for replace_reg.
7670 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7672 * regclass.c (reg_scan_update): Remove.
7673 (reg_scan_mark_refs): Remove the last argument.
7674 * rtl.h: Remove the prototype for reg_scan_update.
7676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7678 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7679 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7680 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7681 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7682 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7683 loop-invariant.c, omp-low.c, opts.c, passes.c,
7684 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7685 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7686 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7687 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7688 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7689 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7693 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7694 * dwarf2out.h: Remove the prototype for
7695 dwarf2out_add_library_unit_info.
7697 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7699 * tree.c (add_var_to_bind_expr): Remove.
7700 * tree.h: Remove the prototype for add_var_to_bind_expr.
7702 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7704 * regclass.c (n_non_fixed_regs): Remove.
7705 (init_reg_sets_1, globalize_reg): Remove all uses of
7706 n_non_fixed_regs.
7707 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7709 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7711 * rtlanal.c (insns_safe_to_move_p): Remove.
7712 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7714 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7716 * expmed.c (expand_mult_add): Remove.
7717 * expr.h: Remove the prototype for expand_mult_add.
7719 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7721 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7722 and REG_SAVED_VAL_EXP constants.
7723 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7724 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7725 Handle regs stored by value.
7726 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7727 (execute_cfa_program): Handle DW_CFA_val_offset,
7728 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7729 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7730 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7731 (uw_install_context_1): Handle target regs stored by value.
7733 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7735 * tree-sra.c (tree_sra): Return todoflags;
7736 (generate_one_element): Set TODO_update_smt_usage if needed.
7737 (pass_sra): Remove TODO_update_smt_usage.
7738 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7739 parameter.
7740 (tree_ssa_forward_propagate_single_use_vars): Return
7741 TODO_update_smt_usage if we need to update SMT usage.
7742 (pass_forwprop): Remove TODO_update_smt_usage.
7744 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7746 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7747 (correct_use_link): Remove reference to get_stmt_operands.
7748 (update_stmt_operands): Likewise.
7749 (get_modify_expr_operands): New function factored out of
7750 parse_ssa_operands and get_expr_operands.
7751 Try to create V_MUST_DEFs for LHS by default.
7752 (get_expr_operands) <case MODIFY_EXPR>: Call
7753 get_modify_expr_operands.
7754 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7755 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7756 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7757 get_modify_expr_operands.
7759 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7761 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7762 * tree-flow.h: Remove the prototype for
7763 referenced_var_lookup_if_exists.
7765 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7767 PR rtl-optimization/26345
7768 PR target/19061
7769 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7771 2006-03-03 Roger Sayle <roger@eyesopen.com>
7773 PR tree-optimization/26524
7774 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7775 fold_convert to create a constant of the appropriate type.
7777 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7779 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7780 SYMBOL_REF_IN_BLOCK_P.
7781 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7782 of SYMBOL_FLAG_IN_BLOCK.
7783 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7784 instead of SYMBOL_REF_IN_BLOCK_P.
7785 * explow.c (use_anchored_address): Likewise.
7786 * rtl.c (rtx_size): Likewise.
7787 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7788 instead of SYMBOL_FLAG_IN_BLOCK.
7789 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7790 SYMBOL_REF_IN_BLOCK_P.
7791 (assemble_variable): Likewise.
7792 (output_constant_def_contents): Likewise.
7793 (output_constant_pool): Likewise.
7794 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7795 instead of SYMBOL_FLAG_IN_BLOCK.
7796 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7797 SYMBOL_REF_IN_BLOCK_P.
7798 (SYMBOL_REF_BLOCK): Likewise.
7799 (SYMBOL_REF_OFFSET): Likewise.
7800 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7801 SYMBOL_REF_IN_BLOCK_P.
7802 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7803 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7804 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7805 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7807 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7809 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7811 2006-03-02 Roger Sayle <roger@eyesopen.com>
7813 * simplify-rtx.c (simplify_unary_operation): When simplifying
7814 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7815 that we perform the right shift in the appropriate mode, and
7816 then extend or truncate the result to requested mode.
7818 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7820 * gengtype.c (main): Handle double_int type.
7821 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7822 * double-int.c: New file.
7823 * double-int.h: New file.
7824 * system.h: Include doubleint.h.
7825 * Makefile.in (SYSTEM_H): Include double-int.h.
7826 (double-int.o): Add.
7828 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7830 PR bootstrap/26478
7831 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7832 copying over it.
7834 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7836 * tree-vrp.c (remove_range_assertions): Do not update statements
7837 unnecessarily.
7839 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7841 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7842 cleanup.
7843 * gcse.c (rest_of_handle_gcse): Ditto.
7844 * except.c (gate_handle_eh): Ditto.
7845 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7846 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7848 2006-03-02 Eric Christopher <echristo@apple.com>
7850 * config/i386/i386.c (machopic_output_stub): Add indirection to
7851 jump.
7853 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7855 * loop.c: Removed.
7857 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7859 Sun Niagara specific optimizations.
7860 * config.gcc: Recognize niagara as target.
7861 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7862 (TARGET_CPU_niagara): Define.
7863 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7864 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7865 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7866 (ASM_CPU_SPEC): Likewise.
7867 (PROCESSOR_NIAGARA): New enum entry.
7868 (REGISTER_MOVE_COST): Handle Niagara.
7869 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7870 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7871 (sparc_override_options): Recognize "niagara", set appropriate
7872 default MASK_* values for it, and align functions to 32-bytes
7873 by default just like ULTRASPARC/ULTRASPARC3.
7874 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7875 (sparc64_initialize_trampoline): Likewise.
7876 (sparc_use_sched_lookahead): Use zero for niagara.
7877 (sparc_issue_rate): Use one for niagara.
7878 * config/sparc/niagara.md: New file.
7879 * config/sparc/sparc.md: Include it.
7880 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7881 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7882 when default cpu is niagara.
7883 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7884 (ASM_CPU_SPEC): Likewise.
7885 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7886 when default cpu is niagara.
7887 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7888 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7889 just like v9/ultrasparc/ultrasparc3.
7890 * doc/invoke.texi: Add documentation for "niagara" and improve
7891 existing documentation for ultrasparc variants.
7893 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7895 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7897 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7899 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7900 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7901 and say that only one is needed.
7902 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7903 * target.h (have_switchable_bss_sections): New hook.
7904 * explow.c (use_anchored_address): Check that the symbol is in a block.
7905 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7906 (bss_noswitch_section): New variables.
7907 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7908 (get_noswitch_section): New function.
7909 (get_block_for_section): Allow SECT to be null.
7910 (unlikely_text_section_p): Use SECTION_STYLE.
7911 (bss_initializer_p): New function.
7912 (get_variable_section): Move earlier in file. Take a new argument,
7913 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7914 Return one of the new *_sections in such cases.
7915 (get_block_for_decl): New function, extracting some logic from
7916 use_blocks_for_decl_p.
7917 (change_symbol_section): Remove in favor of...
7918 (change_symbol_block): ...this new function.
7919 (use_blocks_for_decl_p): Remove checks now performed by
7920 get_block_for_decl.
7921 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7922 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7923 (emit_local, emit_bss, emit_common): ...these new functions.
7924 Return true if the alignment was honored.
7925 (emit_tls_common): New function.
7926 (asm_emit_uninitialised): Delete.
7927 (assemble_variable_noswitch): New function, split out from...
7928 (assemble_variable): ...here. Don't make decisions about common
7929 variables here. Globalize all public decls that go into non-common
7930 sections. Check whether SYMBOL_REF_BLOCK is null.
7931 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7932 (output_constant_pool): Likewise.
7933 (init_varasm_once): Initialize the new section variables.
7934 (have_global_bss_p): New function.
7935 (categorize_decl_for_section): Use bss_initializer_p.
7936 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7937 (place_block_symbol): Assert that the symbol must be in a block.
7938 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7939 (TARGET_INITIALIZER): Include it.
7940 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7941 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7942 (SECTION_MACH_DEP): Bump by two.
7943 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7944 (unnamed_section): Mention SECTION_UNNAMED in comment.
7945 (named_section): Likewise SECTION_NAMED.
7946 (noswitch_section_callback): New type.
7947 (noswitch_section): New structure.
7948 (section): Add a noswitch_section alternative.
7949 (SECTION_STYLE): New macro.
7950 (tls_comm_section, comm_section, lcomm_section): Declare.
7951 (bss_noswitch_section, have_global_bss_p): Declare.
7952 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7953 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7954 Override.
7955 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7956 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7957 Override.
7959 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7961 * tree-vrp.c (execute_vrp): Return value.
7962 * regrename.c (rest_of_handle_regrename): Ditto.
7963 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7964 * tree-complex.c (tree_lower_complex): Ditto.
7965 (tree_lower_complex_O0): Ditto.
7966 * tracer.c (rest_of_handle_tracer): Ditto.
7967 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7968 * postreload.c (rest_of_handle_postreload): Ditto.
7969 * tree-tailcall.c (execute_tail_recursion): Ditto.
7970 (execute_tail_calls): Ditto.
7971 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7972 * tree.h (init_function_for_compilation): Ditto.
7973 * ipa-cp.c (ipcp_driver): Ditto.
7974 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7975 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7976 * final.c (compute_alignments): Ditto.
7977 (rest_of_handle_final): Ditto.
7978 (rest_of_handle_shorten_branches): Ditto.
7979 (rest_of_clean_state): Ditto.
7980 * omp-low.c (execute_expand_omp): Ditto.
7981 (execute_lower_omp): Ditto.
7982 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7983 * ipa-reference.c (static_execute): Ditto.
7984 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7985 * reorg.c (rest_of_handle_delay_slots): Ditto.
7986 (rest_of_handle_machine_reorg): Ditto.
7987 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7988 * flow.c (recompute_reg_usage): Ditto.
7989 (rest_of_handle_remove_death_notes): Ditto.
7990 (rest_of_handle_life): Ditto.
7991 (rest_of_handle_flow2): Ditto.
7992 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7993 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7994 (do_ssa_store_ccp): Ditto.
7995 (execute_fold_all_builtins): Ditto.
7996 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7997 * modulo-sched.c (rest_of_handle_sms): Ditto.
7998 * ipa-pure-const.c (static_execute): Ditto.
7999 * cse.c (rest_of_handle_cse): Ditto.
8000 (rest_of_handle_cse2): Ditto.
8001 * web.c (rest_of_handle_web): Ditto.
8002 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8003 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8004 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8005 * tree-nrv.c (tree_nrv): Ditto.
8006 (execute_return_slot_opt): Ditto.
8007 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8008 (create_structure_vars): Ditto.
8009 * loop-init.c (rtl_loop_init): Ditto.
8010 (rtl_loop_done): Ditto.
8011 (rtl_move_loop_invariants): Ditto.
8012 (rtl_unswitch): Ditto.
8013 (rtl_unroll_and_peel_loops): Ditto.
8014 (rtl_doloop): Ditto.
8015 * gimple-low.c (lower_function_body): Ditto.
8016 (mark_used_blocks): Ditto.
8017 * tree-ssa-sink.c (execute_sink_code): Ditto.
8018 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8019 (cgraph_early_inlining): Ditto.
8020 * global.c (rest_of_handle_global_alloc): Ditto.
8021 * jump.c (cleanup_barriers): Ditto.
8022 (purge_line_number_notes): Ditto.
8023 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8024 (rest_of_handle_if_after_reload): Ditto.
8025 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8026 (tree_ssa_loop_im): Ditto.
8027 (tree_ssa_loop_unswitch): Ditto.
8028 (tree_vectorize): Ditto.
8029 (tree_linear_transform): Ditto.
8030 (tree_ssa_loop_ivcanon): Ditto.
8031 (tree_ssa_empty_loop): Ditto.
8032 (tree_ssa_loop_bounds): Ditto.
8033 (tree_complete_unroll): Ditto.
8034 (tree_ssa_loop_prefetch): Ditto.
8035 (tree_ssa_loop_ivopts): Ditto.
8036 (tree_ssa_loop_done): Ditto.
8037 * predict.c (tree_estimate_probability): Ditto.
8038 * recog.c (split_all_insns_noflow): Ditto.
8039 (rest_of_handle_peephole2): Ditto.
8040 (rest_of_handle_split_all_insns): Ditto.
8041 * tree-eh.c (lower_eh_constructs): Ditto.
8042 * regmove.c (rest_of_handle_regmove): Ditto.
8043 (rest_of_handle_stack_adjustments): Ditto.
8044 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8045 * function.c (instantiate_virtual_regs): Ditto.
8046 (init_function_for_compilation): Ditto.
8047 (rest_of_handle_check_leaf_regs): Ditto.
8048 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8049 (rest_of_handle_gcse): Ditto.
8050 * ipa-type-escape.c (type_escape_execute): Ditto.
8051 * alias.c (rest_of_handle_cfg): Ditto.
8052 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8053 * profile.c (rest_of_handle_branch_prob): Ditto.
8054 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8055 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8056 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8057 * tree-dfa.c (find_referenced_vars): Ditto.
8058 * except.c (set_nothrow_function_flags): Ditto.
8059 (convert_to_eh_region_ranges): Ditto.
8060 (rest_of_handle_eh): Ditto.
8061 * emit-rtl.c (unshare_all_rtl): Ditto.
8062 (remove_unnecessary_notes): Ditto.
8063 * except.h (set_nothrow_function_flags): Ditto.
8064 (convert_to_eh_region_ranges): Ditto.
8065 * cfgexpand.c (tree_expand_cfg): Ditto.
8066 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8067 * tree-ssa-pre.c (do_pre): Ditto.
8068 (execute_fre): Ditto.
8069 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8070 (rest_of_handle_jump2): Ditto.
8071 * tree-sra.c (tree_sra): Ditto.
8072 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8073 (execute_mudflap_function_decls): Ditto.
8074 * tree-ssa-copy.c (do_copy_prop): Ditto.
8075 (do_store_copy_prop): Ditto.
8076 * ipa-prop.h (ipcp_driver): Ditto.
8077 * cfglayout.c (insn_locators_initialize): Ditto.
8078 * tree-ssa-forwprop.c
8079 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8080 * cfglayout.h (insn_locators_initialize): Ditto.
8081 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8082 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8083 (execute_late_warn_uninitialized): Ditto.
8084 * rtl.h (cleanup_barriers): Ditto.
8085 (split_all_insns_noflow): Ditto.
8086 (purge_line_number_notes): Ditto.
8087 (unshare_all_rtl): Ditto.
8088 (remove_unnecessary_notes): Ditto.
8089 (recompute_reg_usage): Ditto.
8090 (variable_tracking_main): Ditto.
8091 * integrate.c (emit_initial_value_sets): Ditto.
8092 * integrate.h (emit_initial_value_sets): Ditto.
8093 * tree-optimize.c (execute_free_datastructures): Ditto
8094 (execute_free_cfg_annotations): Ditto.
8095 (execute_fixup_cfg): Ditto.
8096 (execute_cleanup_cfg_pre_ipa): Ditto.
8097 (execute_cleanup_cfg_post_optimizing): Ditto.
8098 (execute_init_datastructures): Ditto.
8099 * tree-object-size.c (compute_object_sizes): Ditto.
8100 * combine.c (rest_of_handle_combine): Ditto.
8101 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8102 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8103 (rest_of_handle_reorder_blocks): Ditto.
8104 (rest_of_handle_partition_blocks): Ditto.
8105 * var-tracking.c (variable_tracking_main): Ditto.
8106 * tree-profile.c (tree_profiling): Ditto.
8107 * tree-vect-generic.c (expand_vector_operations): Ditto.
8108 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8109 * sched-rgn.c (rest_of_handle_sched): Ditto.
8110 (rest_of_handle_sched2): Ditto.
8111 * basic-block.h (free_bb_insn): Ditto.
8112 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8113 * tree-cfg.c (execute_build_cfg): Ditto.
8114 (remove_useless_stmts): Ditto.
8115 (split_critical_edges): Ditto.
8116 (execute_warn_function_return): Ditto.
8117 (execute_warn_function_noreturn): Ditto.
8118 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8119 * cfgrtl.c (free_bb_for_insn): Ditto.
8120 * passes.c (execute_one_pass): Run additional
8121 todos returned by execute function.
8122 * tree-pass.h (struct tree_opt_pass): Make execute
8123 return a value.
8125 2006-03-02 Richard Guenther <rguenther@suse.de>
8127 * tree-ssa-alias.c (find_used_portions): Consider taking
8128 the address as making the variable not write-only.
8130 2006-03-02 Nick Clifton <nickc@redhat.com>
8132 * config.gcc (default_use_cxa_atexit): Extend the description of
8133 this configure variable. Set its default value to "yes" for
8134 Linux, NetBSD and ELF targets on the assumption that they will
8135 use C libraries with the __cxa_atexit function.
8137 2006-03-02 Ben Elliston <bje@au.ibm.com>
8139 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8140 parameter as unused to suppress a build warning.
8142 2006-03-02 Ben Elliston <bje@au.ibm.com>
8144 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8145 config/dfp-bit.c.
8147 2006-03-01 Roger Sayle <roger@eyesopen.com>
8149 PR other/26489
8150 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8151 declared name, the weak reference name, and the typeof name.
8152 (__gthrw): Avoid expanding the declared name suffix.
8153 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8155 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8157 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8158 from DWARF 3.
8159 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8160 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8161 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8162 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8163 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8164 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8165 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8166 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8167 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8168 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8169 (DW_END_default, DW_END_big, DW_END_little): New.
8170 (DW_END_lo_user, DW_END_hi_user): Define.
8171 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8172 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8173 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8174 DW_LANG_D): New.
8176 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8178 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8179 Update all users.
8180 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8181 Update all users.
8182 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8183 Update all users.
8184 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8185 Update all users.
8186 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8187 to 'symbol_mem_tag'.
8188 Update all users.
8189 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8190 rename.
8192 2006-03-01 Roger Sayle <roger@eyesopen.com>
8194 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8196 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8198 PR target/25761
8199 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8200 MACHO_DYNAMIC_NO_PIC_P.
8201 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8203 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8205 PR target/26389
8206 * config/darwin-protos.h (darwin_asm_output_anchor):
8207 Declare.
8208 * config/darwin-sections.def (cstring_section):
8209 Add SECTION_MERGE to the flags.
8210 (literal4_section): Likewise.
8211 (literal8_section): Likewise.
8212 (objc_selector_refs_section): Likewise.
8213 (objc_cls_refs_section): Likewise.
8214 * config/darwin.c (darwin_asm_output_anchor): New
8215 function.
8216 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8218 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8220 Fix PR tree-optimization/26443
8221 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8222 to todo and PROP_tmt_usage to properties_destroyed.
8223 * tree-ssa-ccp.c (pass_ccp): Ditto.
8224 (pass_store_ccp): Ditto.
8225 * tree-ssa-dom.c (pass_dominator): Ditto.
8227 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8229 * tree-ssa-operands.c: Cleanup whitespace.
8230 (get_asm_expr_operands): Move before first invocation.
8231 (get_indirect_ref_operands): Likewise.
8232 (get_tmr_operands): Likewise.
8233 (get_call_expr_operands): Likewise.
8234 (append_def): Likewise.
8235 (append_use): Likewise.
8236 (append_v_may_def): Likewise.
8237 (append_v_must_def): Likewise.
8238 (add_call_clobber_ops): Likewise.
8239 (add_call_read_ops): Likewise.
8240 (add_stmt_operand): Likewise.
8241 (add_virtual_operand): Likewise.
8242 (build_ssa_operands): Likewise.
8244 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8246 PR middle-end/26022
8247 Revert:
8248 PR middle-end/24437
8249 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8250 with a call expr to ...
8251 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8253 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8255 * tree-vrp.c (extract_range_from_assert): Remove special
8256 handling for types with super-types.
8258 2006-03-01 Ben Elliston <bje@au.ibm.com>
8260 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8261 and powerpc64-*-linux* configurations.
8262 * config/t-dfprules: New file.
8264 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8265 Compile dfp-bit.c from the source directory using -DWIDTH and
8266 $DFP_CFLAGS to control the compilation of that file, rather than
8267 generating width-specific versions in the build directory.
8268 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8269 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8271 2006-02-28 Zack Weinberg <zackw@panix.com>
8273 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8274 continues to work.
8276 2006-02-28 Eric Christopher <echristo@apple.com>
8278 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8279 Set up IN_LIBGCC definition of TARGET_64BIT.
8280 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8282 2006-02-28 Roger Sayle <roger@eyesopen.com>
8284 PR middle-end/14752
8285 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8286 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8287 cases via the construction of "expr != 0".
8289 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8291 * alias.c (alias_invariant, alias_invariant_size): Remove.
8292 (record_base_value): Remove.
8293 (memrefs_conflict_p): Don't look at alias_invariant.
8294 (end_alias_analysis): Don't free it.
8295 * alias.h (record_base_value): Remove prototype.
8297 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8298 Adam Nemet <anemet@caviumnetworks.com>
8300 * rtl.h (truncated_to_mode): Declare it.
8301 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8302 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8303 (RTL_HOOKS_INITIALIZER): Include it.
8304 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8305 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8306 reg_truncated_to_mode.
8307 * rtlanal.c (truncated_to_mode): Define it.
8308 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8310 2006-02-28 Jeff Law <law@redhat.com>
8312 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8313 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8314 the range allowed by TYPE_PRECISION.
8316 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8318 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8320 PR tree-optimization/26419
8321 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8322 values of n.
8324 2006-02-27 Zack Weinberg <zackw@panix.com>
8326 * doc/md.texi: Fix typo in previous change.
8328 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8330 * df.c: Remove.
8332 2006-02-27 Zack Weinberg <zackw@panix.com>
8334 * rtl.def (define_constraint, define_register_constraint)
8335 (define_memory_constraint, define_address_constraint): New MD forms.
8336 * gensupport.c (process_rtx): Put define_constraint etc on the
8337 predicate queue.
8338 * genpreds.c (process_define_predicate): Adjust comment. Validate
8339 the name, and call validate_exp to validate the expression.
8340 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8341 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8342 all callers changed.
8343 (validate_exp, needs_variable, struct constraint_data)
8344 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8345 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8346 (const_dbl_constraints, constraint_max_namelen)
8347 (have_register_constraints, have_memory_constraints)
8348 (have_address_constraints, have_address_constraints)
8349 (have_extra_constraints, have_const_int_constraints)
8350 (have_const_dbl_constraints, mangle, add_constraint)
8351 (process_define_constraint, process_define_register_constraint)
8352 (write_enum_constraint_num, write_lookup_constraint)
8353 (write_insn_constraint_len, write_regclass_for_constraint)
8354 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8355 (write_insn_extra_memory_constraint)
8356 (write_insn_extra_address_constraint)
8357 (write_satisfies_constraint_fns): New.
8358 (write_tm_preds_h): If we have new-style constraint definitions,
8359 prototype the functions generated from them, and define the
8360 old constraint interface (still used by generic code) in terms of
8361 those functions.
8362 (write_insn_preds_c): If we have new-style constraint definitions,
8363 generate all relevant functions from those definitions.
8364 (main): Handle define_constraint etc.
8365 * genoutput.c (struct constraint_data, indep_constraints)
8366 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8367 (mdep_constraint_len): New data structures and functions, defined
8368 #ifdef USE_MD_CONSTRAINTS.
8369 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8370 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8371 use new logic to validate operand constraints against constraint
8372 definitions.
8373 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8374 defined.
8375 * defaults.h: If none of the old-style constraint macros are
8376 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8377 old-style macros; and poison REG_CLASS_FROM_LETTER,
8378 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8379 EXTRA_CONSTRAINT.
8380 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8381 * doc/md.texi: Document new constraint-definition mechanism and the
8382 C interface it provides. Remove references to old mechanism
8383 elsewhere in the document.
8384 (Machine Constraints): Use pathnames relative to gcc directory,
8385 i.e. config/ARCH/FILE. Change i386 section to refer to
8386 config/i386/predicates.md; update that section to match docstrings.
8387 * doc/tm.texi: Move all documentation of the old constraint-
8388 definition macros to their own section, clearly mark as obsolete.
8390 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8391 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8392 definitions.
8393 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8394 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8395 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8396 constraint strings.
8397 (splits and peepholes): Use satisfies_constraint_*.
8398 * config/i386/i386.c (memory_address_length)
8399 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8401 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8403 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8404 scalar operation to be put back into the loop.
8406 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8408 PR other/26208
8409 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8410 (extract_cie_info): Handle S flag in augmentation string.
8411 (execute_cfa_program): If context->signal_frame, execute also
8412 fs->pc == context->ra instructions.
8413 (uw_frame_state_for): If context->signal_frame, don't subtract one
8414 from context->ra to find FDE.
8415 (uw_update_context_1): Set context->signal_frame to
8416 fs->signal_frame.
8417 (_Unwind_GetIPInfo): New function.
8418 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8419 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8420 of _Unwind_GetIP.
8421 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8422 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8423 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8424 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8425 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8426 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8427 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8428 x86_64_fallback_frame_state): Set fs->signal_frame.
8429 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8430 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8431 (frob_update_context): Likewise. Workaround missing S flag in
8432 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8433 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8434 Remove the psw_addr + 1 hack.
8436 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8438 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8439 with aggregates here.
8440 (find_func_aliases): Remove code for &<aggregate> from here.
8442 2006-02-26 Roger Sayle <roger@eyesopen.com>
8444 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8445 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8446 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8447 as (X & C) ne/eq 0.
8449 2006-02-26 Roger Sayle <roger@eyesopen.com>
8451 PR middle-end/19983
8452 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8454 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8456 * opts.c (decode_options): Do not handle flag_strength_reduce.
8457 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8458 and OPT_fstrength_reduce.
8459 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8460 flag_prefetch_loop_arrays for being nonzero.
8461 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8462 no-ops.
8463 (fprefetch-loop-arrays-rtl): Removed.
8464 (flag_prefetch_loop_arrays): Do not specify the value.
8466 * doc/passes.texi: Update documentation of loop optimizer
8467 passes.
8468 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8469 -frerun-loop-opt): Remove.
8471 2006-02-26 Richard Guenther <rguenther@suse.de>
8473 PR tree-optimization/26421
8474 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8475 in function calls that are ADDR_EXPRs as using the whole structure.
8477 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8479 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8480 * tree-pass.h (pass_loop_optimize): Remove.
8481 * passes.c (pass_loop_optimize): Never run it.
8482 * toplev.c (backend_init): Don't call init_loop.
8483 * opts.c (flag_loop_optimize_set): Remove.
8484 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8485 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8486 the old RTL loop optimizer when profiling enabled.
8487 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8488 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8489 pre-headers for the sake of the old RTL loop optimizer.
8490 * Makefile.in: Remove all references to loop.o.
8492 * doc/invoke.texi: Remove all references to -floop-optimize
8493 and -frerun-loop-opt.
8495 2006-02-26 Zack Weinberg <zackw@panix.com>
8497 * doc/md.texi (Machine Constraints): Refer to all files with paths
8498 relative to gcc directory (i.e. config/CPU/file). Add missing
8499 @table @code ... @end table to M32C subsection.
8501 2006-02-26 Roger Sayle <roger@eyesopen.com>
8503 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8504 (X & 1) == 0.
8505 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8507 2006-02-26 Roger Sayle <roger@eyesopen.com>
8508 James A. Morrison <phython@gcc.gnu.org>
8510 PR middle-end/21137
8511 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8512 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8513 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8514 signedness of the shift operation.
8516 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8518 PR tree-optimization/26359
8519 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8521 2006-02-25 Roger Sayle <roger@eyesopen.com>
8523 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8524 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8525 as X == 0, and some symmetry related transformations.
8526 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8528 2006-02-25 Roger Sayle <roger@eyesopen.com>
8530 PR middle-end/23673
8531 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8532 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8533 symmetry related transformations. Fold (X^C1) == C2 as
8534 X == (C1^C2).
8536 2006-02-25 Juergen Weigert <jw@suse.de>
8537 Richard Guenther <rguenther@suse.de>
8539 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8541 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8543 * combine.c (gen_lowpart_or_truncate): Call
8544 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8546 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8548 * doc/invoke.texi: Move -fopenmp description to "Options for
8549 Code Generation".
8550 Remove reference to -lgomp.
8552 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8554 * doc/install.texi: Require GNU tar version 1.14.
8556 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8558 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8559 * doc/invoke.texi (C++ Dialect Options): Document
8560 -fno-use-cxa-get-exception-ptr.
8561 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8562 * configure: Regenerate.
8563 * c.opt (fuse-cxa-get-exception-ptr): New.
8564 * c-opts.c (c_common_handle_option): Handle
8565 OPT_fuse_cxa_get_exception_ptr.
8566 * c-common.c (flag_use_cxa_atexit): Update documentation.
8567 (flag_use_cxa_get_exception_ptr): New.
8568 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8569 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8570 documentation.
8571 (C_COMMON_OVERRIDE_OPTIONS): New.
8573 2006-02-24 Roger Sayle <roger@eyesopen.com>
8575 PR middle-end/24952
8576 * combine.c (try_combine): Explicitly check whether GET_CODE is
8577 a SET or a CLOBBER, instead on checking that it isn't a USE.
8579 2006-02-24 Roger Sayle <roger@eyesopen.com>
8581 * fold-const.c (fold_comparison): New subroutine of fold_binary
8582 containing transformations common to both the equality and
8583 ordering relational operators, factored out of fold_binary.
8584 (fold_binary): Separate out the equality operators (EQ_EXPR
8585 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8586 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8587 transformations common to both.
8588 (fold_div_compare): Fix latent bugs in the previously unreachable
8589 LT_EXPR and GE_EXPR cases.
8591 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8593 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8594 decl libname for clog to __clog on AIX.
8596 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8598 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8600 PR target/26453
8601 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8602 output traceback table for thunks. Localise rs6000_stack_info call.
8604 2006-02-23 Roger Sayle <roger@eyesopen.com>
8605 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8607 * gthr-posix.h (__gthrw): Fix typo in comment.
8609 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8611 * doc/cpp.texi (Character sets): Document that we do support
8612 input files to be in any character set.
8614 2006-02-23 Jeff Law <law@redhat.com>
8616 * tree.h (PHI_ARG_NONZERO): Remove.
8617 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8618 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8619 node to the new node.
8621 PR tree-optimization/26425
8622 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8623 min/max, then assume its varying.
8625 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8627 PR rtl-optimization/26316
8628 * rtlanal.c (enum may_trap_p_flags): New.
8629 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8630 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8631 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8632 (may_trap_after_code_motion_p): New function.
8633 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8634 (find_invariant_insn): Use may_trap_after_code_motion_p.
8635 * rtl.h (may_trap_after_code_motion_p): Declare.
8637 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8639 * emit-rtl.c (immed_double_const): Cleanup.
8641 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8643 Fix PR tree-optimization/26376
8644 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8645 remove assert.
8647 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8649 PR middle-end/26412
8650 * gimplify.c (omp_add_variable): Guard variable size decl test with
8651 DECL_SIZE (decl) check.
8653 2006-02-23 Richard Guenther <rguenther@suse.de>
8655 PR middle-end/26439
8656 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8657 like aggregate types.
8659 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8661 * configure.ac: Add --with{,out}-long-double-128 configure option.
8662 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8663 * configure: Rebuilt.
8664 * config.in: Rebuilt.
8665 * doc/install.texi (Options specification): Document
8666 --with-long-double-128.
8668 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8669 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8670 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8671 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8673 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8675 * config/s390/s390.c (override_options): Handle
8676 TARGET_DEFAULT_LONG_DOUBLE_128.
8678 * config/alpha/alpha.c (override_options): Handle
8679 TARGET_DEFAULT_LONG_DOUBLE_128.
8681 * config/sparc/sparc.c (sparc_override_options): Handle
8682 TARGET_DEFAULT_LONG_DOUBLE_128.
8684 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8686 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8687 (real-install-headers-tar, real-install-headers-cpio)
8688 (real-install-headers-cp): New targets.
8690 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8692 * tree.h (variable_section): Delete.
8693 * varasm.c (variable_section): Delete.
8695 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8697 * install.texi: Add notes on install.texi2html.
8698 (Building in parallel): Do not use footnotes.
8700 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8702 PR libgomp/26234
8703 * doc/install.texi (Configuration): Document --disable-libgomp.
8705 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8707 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8709 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8711 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8712 (vec_extractv2df_0_sse): New.
8714 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8716 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8717 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8718 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8719 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8720 to the result of the expression.
8721 (def_cfa_1): Adjust.
8722 (frame_pointer_cfa_offset): Rename to...
8723 (frame_pointer_fb_offset): ... this. Adjust all uses.
8724 (convert_cfa_to_loc_list): Rename to...
8725 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8726 Pass it on to build_cfa_loc.
8727 (compute_frame_pointer_to_cfa_displacement): Rename to...
8728 (compute_frame_pointer_to_fb_displacement): ... this. New
8729 offset parameter. Use it in computation.
8730 (gen_subprogram_die): Compute cfa_fb_offset with the new
8731 macro, and use it to compute the fb loc list and the
8732 displacement.
8734 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8736 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8737 replaced with register_operand.
8738 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8739 non-DREG is expensive.
8740 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8741 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8742 involving memory.
8744 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8746 * doc/install.texi2html: Use set -e.
8748 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8750 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8751 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8752 * doc/invoke.texi (-fshared-data): Delete.
8753 * common.opt (fshared-data): Delete.
8754 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8755 (assemble_static_space): Remove #if 0 code.
8756 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8757 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8758 * config/cris/cris.h: Remove FIXME.
8760 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8762 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8763 hooks.
8765 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8767 PR middle-end/26379
8768 * combine.c (simplify_shift_const_1): Disable nested shifts
8769 optimization for vector shifts.
8771 2006-02-20 Roger Sayle <roger@eyesopen.com>
8773 PR tree-optimization/26361
8774 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8775 of unsigned integer types.
8777 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8779 * tree-chrec.c (eq_evolutions_p): New.
8780 * tree-chrec.h (eq_evolutions_p): Declared.
8781 * tree-data-ref.c: Fix formatting.
8782 (datadep_stats, dependence_stats): New.
8783 (gcd): Moved...
8784 (print_direction_vector): New.
8785 (dump_data_dependence_relation): Use print_direction_vector.
8786 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8787 (compute_subscript_distance): Static.
8788 (initialize_data_dependence_relation): Static. Get the number
8789 of loops surrounding the references from the callers, and initialize
8790 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8791 base_object_differ_p analyzers.
8792 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8793 compute_overlap_steps_for_affine_1_2,
8794 analyze_subscript_affine_affine): Count the classified dependences.
8795 Print a message when a test failed.
8796 (can_use_analyze_subscript_affine_affine): New.
8797 (analyze_siv_subscript): Compute the data dependences on symbolic
8798 scevs that verify can_use_analyze_subscript_affine_affine.
8799 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8800 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8801 Handle symbolic scevs.
8802 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8803 analyzed.
8804 (subscript_dependence_tester): Moved...
8805 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8806 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8807 DDR_SIZE_VECT instead of getting it in parameter.
8808 (subscript_dependence_tester): ... here. Take as a parameter
8809 loop_nest_depth. Call build_classic_dist_vector and
8810 build_classic_dir_vector.
8811 (compute_affine_dependence): Update subscript_dependence_tester
8812 parameters. Update datadep_stats counters. Call
8813 compute_subscript_distance.
8814 (compute_self_dependence): Save the dist and dir vectors. Call
8815 compute_subscript_distance.
8816 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8817 (compute_all_dependences): Reorder parameters as they were before
8818 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8819 compute_subscript_distance. Update the use of
8820 compute_affine_dependence and initialize_data_dependence_relation.
8821 (find_data_references_in_loop): Handle COMPONENT_REF.
8822 (compute_data_dependences_for_loop): Initialize dependence_stats.
8823 Don't call build_classic_dist_vector and build_classic_dir_vector.
8824 Update the parameters of initialize_data_dependence_relation and
8825 compute_all_dependences. Print the statistics from datadep_stats.
8826 (analyze_all_data_dependences): Static. Not used until the pass for
8827 checking the data dependences is contributed.
8828 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8829 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8830 (initialize_data_dependence_relation, compute_affine_dependence,
8831 analyze_all_data_dependences, compute_subscript_distance): Removed.
8832 (print_direction_vector): New.
8833 * lambda.h (gcd): ... here.
8834 (lambda_vector_gcd): Moved here from gcd_vector.
8835 * lambda-code.c (gcd, gcd_vector): Removed.
8836 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8837 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8839 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8841 * ipa-type-escape.c: Tidy some comments and white space.
8842 * tree-ssa-operands.c: Likewise.
8844 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8846 PR tree-opt/25879
8847 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8848 (dump_decl_name): Do not walk the decl tree chains.
8849 * tree-pass.h (TDF_CHAIN): Remove.
8851 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8853 * Makefile.in (C): Remove
8854 (PROTO): Remove
8855 (.PHONY): Remove C and PROTO
8857 2006-02-20 Roger Sayle <roger@eyesopen.com>
8859 PR middle-end/26236
8860 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8861 deprecated CHAR_TYPE tree code.
8863 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8865 * configure.ac (target_list): Add install-info, dvi, html.
8866 * configure: Regenerate.
8868 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8869 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8870 treelang/Make-lang.in: Do not use double-colon rules.
8872 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8874 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8875 (TMT_USED_ALONE): New macro.
8876 * tree-pass.h (PROP_tmt_usage): New property.
8877 (TODO_update_tmt_usage): New todo.
8878 * tree-ssa-alias.c (updating_used_alone): New variable.
8879 (recalculate_used_alone): New function.
8880 (compute_may_aliases): Set updating_used_alone, call
8881 recalculate_used_alone.
8882 * tree-sra.c (pass_sra): Note that this pass destroys
8883 PROP_tmt_usage, and add TODO_update_tmt_usage.
8884 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8885 * tree-flow.h (updating_used_alone): Prototype.
8886 (recalculate_used_alone): Ditto.
8887 * passes.c (execute_todo): Add code to set updating_used_alone,
8888 and call recalculate.
8889 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8890 for clobber if used alone, and add assert to verify used_alone
8891 status.
8893 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8895 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8896 for non tls symbols added.
8897 (legitimize_address): Do nothing for PLUS expressions if one of the
8898 addends is a tls symbol reference.
8900 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8902 PR bootstrap/25476
8904 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8906 * Makefile.in (BOOTSTRAPPING): New.
8907 (quickstrap): New definition if BOOTSTRAPPING=yes.
8909 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8910 * configure.ac: Substitute all_selected_languages with the languages
8911 that were configured. For all the other variables except
8912 lang_specs_files, include all the languages in the tree.
8913 * configure: Regenerate.
8915 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8916 if there is one. Run the commands to run fixincludes in the same
8917 subshell.
8919 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8920 * doc/install.texi: Document exact conventions for searching target tools.
8921 Document --with-build-time-tools. Document toplevel bootstrap. Document
8922 something more about building an Ada cross-compiler. Don't list GNU Make
8923 requirements which affect all platforms.
8925 2006-02-19 Roger Sayle <roger@eyesopen.com>
8927 PR middle-end/19543
8928 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8929 only equivalent if the have both the same mode and precision.
8931 2006-02-20 Ben Elliston <bje@au.ibm.com>
8933 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8935 2006-02-19 Roger Sayle <roger@eyesopen.com>
8936 Steven Bosscher <stevenb.gcc@gmail.com>
8938 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8939 constant pool references to identify stack mode constants.
8940 * rtlanal.c (constant_pool_constant_p): New predicate to check
8941 whether operand is a floating point constant in the pool.
8942 * rtl.h (constant_pool_constant_p): Prototype here.
8943 * loop.c (scan_loop): Avoid hoisting constants from the constant
8944 pool on STACK_REGS targets.
8945 (load_mems): Likewise.
8946 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8947 loads into x87 registers expensive in terms of register pressure.
8949 2006-02-19 Roger Sayle <roger@eyesopen.com>
8951 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8952 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8954 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8956 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8957 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8959 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8961 * doc/invoke.texi: Document -fipa-pta.
8962 * common.opt: Add ipa-pta option.
8963 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8964 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8965 (do_ds_constraint): Ditto.
8966 (get_constraint_for): Only add to referenced_vars if
8967 referenced_vars exists.
8968 (insert_into_field_list): Rewrite to do this unsorted.
8969 (insert_into_field_list_sorted): Rename old insert_into_field_list
8970 to this.
8971 (create_function_info_for): Use insert_into_field_list_sorted.
8972 (create_variable_info_for): Rewrite so it uses unsorted version,
8973 since the field list is sorted.
8974 (intra_create_variable_infos): Only add to referenced_vars if
8975 referenced_vars exists.
8976 (ipa_pta_execute): Init heapvars, and delete when done.
8977 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8979 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8981 * doc/install.texi: Add missing `@samp'.
8983 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8985 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8986 Use the arguments.
8988 2006-02-18 Mark Wielaard <mark@klomp.org>
8990 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8991 who added new 4.1 features, bug fixes and integration support.
8993 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8995 PR target/26350
8996 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8997 MEM for ABI_V4 pic.
8999 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9001 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9002 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9003 (copy_insn_1): Likewise. Don't copy each field individually.
9004 Reindent.
9005 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9006 of RTX_SIZE.
9007 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9008 * rtl.c (rtx_size): Rename variable to...
9009 (rtx_code_size): ...this.
9010 (rtx_size): New function.
9011 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9012 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9013 Reindent.
9014 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9015 * rtl.h (rtx_code_size): New variable.
9016 (rtx_size): Change from a variable to a function.
9017 (RTX_SIZE): Rename to...
9018 (RTX_CODE_SIZE): ...this.
9020 PR target/9703
9021 PR tree-optimization/17106
9022 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9023 (Anchored Addresses): New section.
9024 * doc/invoke.texi (-fsection-anchors): Document.
9025 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9026 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9027 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9028 * hooks.c (hook_bool_mode_rtx_false): New function.
9029 * hooks.h (hook_bool_mode_rtx_false): Declare.
9030 * gengtype.c (create_optional_field): New function.
9031 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9032 SYMBOL_REF_IN_BLOCK_P is true.
9033 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9034 (min_anchor_offset, max_anchor_offset): Likewise.
9035 (use_anchors_for_symbol_p): New hook.
9036 * toplev.c (compile_file): Call output_object_blocks.
9037 (target_supports_section_anchors_p): New function.
9038 (process_options): Check that -fsection-anchors is only used on
9039 targets that support it and when -funit-at-a-time is in effect.
9040 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9041 if the decl doesn't have one.
9042 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9043 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9044 of force_const_mem through use_anchored_address.
9045 (expand_expr_constant): New function.
9046 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9047 calling expand_expr for INDIRECT_REF.
9048 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9049 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9050 * expr.h (use_anchored_address): Declare.
9051 * loop-unroll.c: Don't declare rtx vectors here.
9052 * explow.c: Include output.h.
9053 (validize_mem): Call use_anchored_address.
9054 (use_anchored_address): New function.
9055 * common.opt (-fsection-anchors): New switch.
9056 * varasm.c (object_block_htab, anchor_labelno): New variables.
9057 (hash_section, object_block_entry_eq, object_block_entry_hash)
9058 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9059 (use_blocks_for_decl_p, change_symbol_section): New functions.
9060 (get_variable_section): New function, split out from assemble_variable.
9061 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9062 use_blocks_for_decl_p say so. Use change_symbol_section if the
9063 symbol has already been created.
9064 (assemble_variable_contents): New function, split out from...
9065 (assemble_variable): ...here. Don't output any code for
9066 block symbols; just pass them to place_block_symbol.
9067 Use get_variable_section and assemble_variable_contents.
9068 (get_constant_alignment, get_constant_section, get_constant_size): New
9069 functions, split from output_constant_def_contents.
9070 (build_constant_desc): Create a block symbol if use_object_blocks_p
9071 says so. Or into SYMBOL_REF_FLAGS.
9072 (assemble_constant_contents): New function, split from...
9073 (output_constant_def_contents): ...here. Don't output any code
9074 for block symbols; just pass them to place_section_symbol.
9075 Use get_constant_section and get_constant_alignment.
9076 (force_const_mem): Create a block symbol if use_object_blocks_p and
9077 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9078 (output_constant_pool_1): Add an explicit alignment argument.
9079 Don't switch sections here.
9080 (output_constant_pool): Adjust call to output_constant_pool_1.
9081 Switch sections here instead. Don't output anything for block symbols;
9082 just pass them to place_block_symbol.
9083 (init_varasm_once): Initialize object_block_htab.
9084 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9085 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9086 (place_block_symbol, get_section_anchor, output_object_block)
9087 (output_object_block_htab, output_object_blocks): New functions.
9088 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9089 (TARGET_ASM_OUT): Include it.
9090 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9091 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9092 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9093 (TARGET_INITIALIZER): Include them.
9094 * rtl.c (rtl_check_failed_block_symbol): New function.
9095 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9096 (block_symbol, object_block): New structures.
9097 (rtx_def): Add a block_symbol field to the union.
9098 (BLOCK_SYMBOL_CHECK): New macro.
9099 (rtl_check_failed_block_symbol): Declare.
9100 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9101 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9102 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9103 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9104 * output.h (output_section_symbols): Declare.
9105 (object_block): Name structure.
9106 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9107 (default_use_anchors_for_symbol_p): Declare.
9108 * Makefile.in (RTL_BASE_H): Add vec.h.
9109 (explow.o): Depend on output.h.
9110 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9111 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9112 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9113 (rs6000_use_blocks_for_constant_p): New function.
9115 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9117 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9119 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9121 PR tree-opt/25680
9122 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9123 IMAGPART_EXPR.
9125 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9127 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9128 is_aliased.
9129 Update all users.
9131 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9133 PR middle-end/26334
9134 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9135 instead of DECL_REGISTER.
9137 2006-02-18 Olivier Hainque <hainque@adacore.com>
9139 PR ada/13408
9140 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9142 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9144 PR target/24837
9145 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9146 * opth-gen.awk: Handle Var and InverseMask together.
9147 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9148 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9149 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9150 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9151 used together.
9152 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9153 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9154 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9155 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9156 LINUX_DYNAMIC_LINKER): Define.
9157 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9158 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9159 TARGET_GLIBC.
9160 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9161 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9162 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9163 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9164 (TARGET_C99_FUNCTIONS): Don't define.
9165 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9166 GLIBC_DYNAMIC_LINKER.
9167 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9168 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9169 GLIBC_DYNAMIC_LINKER64): Define.
9170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9171 LINUX_DYNAMIC_LINKER64.
9172 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9174 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9176 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9178 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9179 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9180 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9182 and LINUX_DYNAMIC_LINKER32.
9183 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9185 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9187 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9188 TARGET_GLIBC.
9189 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9190 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9191 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9192 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9193 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9194 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9195 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9196 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9197 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9198 LINUX_DYNAMIC_LINKER): Define.
9199 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9200 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9201 GLIBC_DYNAMIC_LINKER64): Define.
9202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9203 LINUX_DYNAMIC_LINKER64.
9204 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9205 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9206 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9207 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9208 LINUX_DYNAMIC_LINKER): Define.
9209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9210 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9211 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9212 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9213 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9214 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9215 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9216 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9217 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9218 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9220 * doc/invoke.texi (-muclibc): Remove caveat about supported
9221 targets.
9223 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9225 * doc/cpp.texi (__TIMESTAMP__): Document.
9227 2006-02-17 Roger Sayle <roger@eyesopen.com>
9229 PR middle-end/25600
9230 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9231 C is one less than the width of X (and related transformations).
9232 * simplify-rtx.c (simplify_unary_operation_1): Transform
9233 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9234 depending on STORE_FLAG_VALUE, were C is one less then the
9235 width of X.
9237 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9239 Fix PR tree-optimization/26341
9240 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9241 about NAME_MEMORY_TAG's.
9243 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9245 PR target/26255
9246 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9247 with hardware float support, and software float support. Add fcpy
9248 alternative to hardware patterns. Add alternatives to copy between
9249 general and floating-point registers to the 32-bit pattern.
9250 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9251 secondary reload to load a QI or HI mode constant into a floating
9252 point register.
9253 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9254 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9256 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9258 PR target/26272
9259 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9260 pc to the pattern.
9261 (load_macho_picbase_di): Likewise.
9263 2006-02-16 Jeff Law <law@redhat.com>
9265 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9266 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9267 (ssa_name_nonzero_p): Likewise.
9268 (get_value_range): Return NULL if VRP is not running.
9269 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9270 VRP routines do not discover a range.
9271 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9272 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9273 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9274 (tree_expr_nonnegative_p): Similarly.
9275 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9276 (restore_nonzero_vars_to_original_value): Remove.
9277 (unsafe_associative_fp_binop): Remove.
9278 (tree_ssa_dominator_optimize): Remove initialization and
9279 finalization of nonzero_vars and nonzero_vars_stack.
9280 (dom_opt_initialize_block): No longer push marker on
9281 nonzero_vars_stack.
9282 (dom_opt_finalize_block): No longer call
9283 restore_nonzero_vars_to_original_value.
9284 (record_equivalences_from_phis): No longer look for
9285 nonzero PHI arguments.
9286 (cprop_into_successor_phis): No longer propagate nonzero
9287 property into PHI arguments. Lose unused argument. Caller
9288 updated.
9289 (record_equivalences_from_stmt): No longer record nonzero
9290 values for SSA_NAMEs.
9291 (lookup_avail_expr): No longer use nonzero_vars.
9293 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9294 for sizetype when sizetype is unsigned.
9296 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9298 PR rtl-optimization/25603
9299 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9300 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9301 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9302 with new meaning of SETS.
9304 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9306 PR target/20353
9307 PR target/24578
9308 PR target/24837
9309 * config/linux.opt: New file.
9310 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9311 LINUX_DYNAMIC_LINKER): Define.
9312 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9313 * config.gcc (*-*-linux*): Define extra_options.
9314 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9315 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9316 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9317 GLIBC_DYNAMIC_LINKER.
9318 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9319 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9320 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9322 * doc/invoke.texi (GNU/Linux Options): New section.
9324 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9326 * config/sparc/sparc.md (setjmp): Rewrite.
9327 (setjmp_32): Delete.
9328 (setjmp_64): Likewise.
9330 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9332 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9333 previous change.
9335 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9337 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9338 read-write uses.
9340 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9342 PR rtl-optimization/26296
9343 * Makefile.in (loop-invariant.c): Add except.h dependency.
9344 * loop-invariant.c: Include except.h.
9345 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9347 2005-02-16 Paul Brook <paul@codesourcery.com>
9349 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9350 for reloads.
9352 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9354 PR rtl-optimization/25636
9355 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9356 when deciding whether an insn is an initializing insn.
9358 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9360 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9361 (tree_code_size): Ditto.
9362 * tree.h (struct tree_memory_tag): Remove parent_var.
9363 (struct tree_struct_field_tag): New.
9364 (SFT_OFFSET): New.
9365 (SFT_SIZE): New.
9366 (union tree_node): Add sft member.
9367 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9368 specially here.
9369 (create_sft): Add size and offset argument, set SFT_OFFSET and
9370 SFT_SIZE.
9371 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9372 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9373 * tree-flow-inline.h (get_subvar_at): Update for
9374 SFT_OFFSET/SFT_SIZE.
9375 (var_can_have_subvars): Ditto.
9376 (overlap_subvar): Ditto.
9377 * print-tree.c (print_node): Print out interesting things for
9378 SFT's.
9379 * tree-flow.h (struct subvar): Remove offset and size members.
9380 * tree-ssa-operands.c (get_expr_operands): Update for
9381 get_indirect_ref_operands changes.
9382 (get_indirect_ref_operands): Call add_virtual_operand instead of
9383 add_stmt_operand. Only recurse on base var if requested.
9384 (access_can_touch_variable): New function.
9385 (add_stmt_operand): Split virtual operand handling into ...
9386 (add_virtual_operand): Here. Add offset, size, and for_clobber
9387 arguments. Prune alias sets.
9388 (add_call_clobber_ops): Call add_virtual_operand.
9390 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9392 PR middle-end/26300
9393 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9395 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9396 than TREE_CODE as index into omp_clause_num_ops array.
9398 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9400 PR rtl-optimization/26184
9401 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9402 uses_of_defs.
9403 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9404 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9405 must_precede, must_follow and tobe_scheduled.
9407 PR other/26147
9408 * opts.c (common_handle_option): Free new_option pointer.
9409 * df-core.c (df_analyze): Free postorder pointer.
9411 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9413 * Makefile.in: Fix the examples about the use of stamps
9415 2006-02-15 Michael Matz <matz@suse.de>
9417 PR middle-end/22275
9419 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9420 influenced by maximum_field_alignment or DECL_PACKED.
9421 (update_alignment_for_field): Ditto.
9422 (place_field): Ditto.
9423 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9424 this behaviour.
9426 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9428 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9429 (debug_flow_info): Pass it.
9430 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9431 * bb-reorder.c (reorder_basic_blocks): Likewise.
9432 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9433 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9434 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9435 * gcse.c (gcse_main, bypass_jumps): Likewise.
9436 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9437 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9438 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9439 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9440 * rtl.h (dump_flow_info): Adjust prototype.
9441 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9442 * var-tracking.c (variable_tracking_main): Likewise.
9443 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9444 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9445 options.
9447 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9449 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9450 construction.
9452 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9454 PR tree-optimization/26209
9455 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9456 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9457 eh edges.
9458 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9460 2006-02-14 Roger Sayle <roger@eyesopen.com>
9462 PR middle-end/23670
9463 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9464 (X,Y) and the corresponding symmetry related transformations.
9465 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9466 (X,Y) and its symmetry related transformations.
9468 2006-02-14 Roger Sayle <roger@eyesopen.com>
9470 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9471 and GEU.
9473 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9475 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9477 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9479 PR bootstrap/26053
9480 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9481 support COMDAT group.
9482 * configure: Regenerate.
9484 2006-02-14 Roger Sayle <roger@eyesopen.com>
9486 PR middle-end/26279
9487 PR middle-end/26280
9488 PR middle-end/26283
9489 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9491 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9493 Fix PR tree-optimization/26260
9495 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9496 param.
9497 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9498 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9499 * tree-ssa-structalias.c (create_variable_info_for): Use
9500 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9502 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9504 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9505 Document.
9506 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9507 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9508 of the ending condition.
9509 * tree-ssa-loop-manip.c: Include params.h.
9510 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9511 tree_unroll_loop): New functions.
9512 * tree-pass.h (pass_loop_prefetch): Declare.
9513 * loop.c (rest_of_handle_loop_optimize): Test for
9514 -fprefetch-loop-arrays-rtl.
9515 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9516 * timevar.def (TV_TREE_PREFETCH): New timevar.
9517 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9518 pass_loop_prefetch): New.
9519 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9520 (cleanup_tree_cfg_loop): Call scev_reset.
9521 * common.opt (fprefetch-loop-arrays-rtl): Add.
9522 * tree-ssa-loop-prefetch.c: New file.
9523 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9524 (new_temp_expr_table): Initialize expr_vars.
9525 (free_temp_expr_table): Cleanup expr_vars.
9526 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9527 expressions from being merged into one.
9528 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9529 (struct tree_niter_desc): Add control, bound and cmp fields.
9530 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9531 Declare.
9532 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9533 (tree-cfgcleanup.o): Add SCEV_H dependency.
9534 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9535 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9537 2006-02-14 Richard Guenther <rguenther@suse.de>
9539 PR tree-optimization/26258
9540 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9541 in PHI argument processing.
9543 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9545 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9546 new expression in the requested machine mode.
9548 2006-02-13 Roger Sayle <roger@eyesopen.com>
9550 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9551 directly, instead let do_compare_rtx_and_jump handle this for us.
9552 * expr.c (expand_expr_real_1): Likewise.
9553 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9554 before do_jump_by_parts_greater.
9555 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9556 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9558 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9560 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9562 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9564 PR rtl-optimization/26235
9565 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9566 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9567 format.
9569 2006-02-13 Jeff Law <law@redhat.com>
9571 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9572 TRUTH_XOR_EPR.
9574 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9576 PR middle-end/26092
9577 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9578 twice if decl is a builtin. When trying again, call get_callee_fndecl
9579 first to verify it is still a builtin.
9581 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9583 * dwarf2out.c (base_type_die): Don't add AT_name here.
9584 (subrange_type_die): Don't add AT_name here.
9585 (modified_type_die): Rearrange code flow. Do add AT_name here.
9587 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9589 PR rtl-optimization/26247
9590 PR rtl-optimization/26248
9591 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9593 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9595 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9596 * config/fixtfdi.c: Likewise.
9597 * config/fixunstfdi.c: Likewise.
9598 * config/floatditf.c: Likewise.
9600 2006-02-13 Roger Sayle <roger@eyesopen.com>
9602 PR middle-end/24427
9603 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9604 into (X,C2) if C1 is a subset of the bits of C2. Transform
9605 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9606 (X&(C1&~C2))|C2.
9607 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9609 2006-02-13 Josh Conner <jconner@apple.com>
9611 PR target/25376
9612 * varasm.c (function_section): Check for section name before
9613 calling select_section on targets that define
9614 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9615 unlikely_text_section instead of hot_function_section if
9616 first_function_block_is_cold.
9618 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9620 PR middle-end/25335
9621 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9623 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9625 PR rtl-optimization/26222
9626 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9627 after tree->rtl expansion.
9628 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9629 before passing it to emit_move_insn.
9631 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9633 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9634 default.
9635 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9636 Clarify documentation.
9637 * c-common.h (warn_write_strings): Remove.
9638 * c-common.c (warn_write_strings): Likewise.
9639 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9640 default for C++.
9642 2006-02-12 Roger Sayle <roger@eyesopen.com>
9644 PR middle-end/25724
9645 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9646 (do_jump_parts_zero_rtx): New function renamed from
9647 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9648 (do_jump_parts_equality_rtx): New function split out from
9649 do_jump_parts_equality. Old implementation renamed as above.
9650 Call do_jump_parts_zero_rtx if either operand is zero.
9651 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9652 do all of the heavy lifting.
9653 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9654 calling either do_jump_by_parts_greater_rtx or
9655 do_jump_by_parts_equality_rtx.
9656 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9657 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9658 moved to do_compare_rtx_and_jump, call it directly.
9659 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9660 mode argument. Call do_compare_rtx_and_jump.
9661 (emit_case_nodes): Update calls to do_jump_if_equal.
9663 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9665 PR rtl-optimization/26225
9666 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9668 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9670 PR rtl-optimization/26232
9671 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9673 2006-02-11 Jason Merrill <jason@redhat.com>
9675 PR tree-opt/24365
9676 * tree-inline.c (declare_return_variable): Just don't use the
9677 modify target if it's a gimple complex reg and the return slot
9678 isn't.
9680 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9682 * doc/contrib.texi: Update my entry.
9684 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9686 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9688 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9690 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9691 expensive.
9693 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9695 * doc/invoke.texi (-floop-optimize2): Removed.
9696 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9697 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9698 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9699 * common.opt (floop-optimize2): Removed.
9700 (fmove-loop-invariants): Enabled by default.
9702 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9704 * tree-if-conv.c (combine_blocks): Free the result of
9705 get_loop_exit_edges.
9707 2006-02-10 Jeff Law <law@redhat.com>
9709 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9711 PR tree-optimization/26213
9712 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9713 loop trying to follow SSA_NAME_VALUE chains.
9715 2006-02-10 Richard Guenther <rguenther@suse.de>
9717 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9718 deal with structures that end in implicitly variable sized arrays.
9720 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9722 PR rtl-optimization/24762
9723 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9724 eh edges.
9726 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9728 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9729 (struct ivopts_data): Add regs_used field.
9730 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9731 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9732 instead of loop_data->regs_used;
9733 (free_loop_data): Do not free aux fields for loops.
9734 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9735 and tree_ssa_iv_optimize_finalize.
9737 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9739 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9741 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9743 PR target/26141
9744 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9745 computing the effective result type.
9747 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9749 PR inline-asm/16194
9750 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9751 (tree_overlaps_hard_reg_set): Declare.
9752 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9753 type and signature to match function type expected by walk_tree.
9754 (tree_overlaps_hard_reg_set): New function.
9755 (decl_conflicts_with_clobbers_p): Rename to:
9756 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9757 Use tree_overlaps_hard_reg_set. Changed caller.
9758 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9759 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9760 * cris.c (cris_md_asm_clobbers): Likewise.
9762 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9764 * reload1.c (emit_input_reload_insns): Delete code that tries to
9765 inherit using find_equiv_reg.
9767 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9769 * c-common.h (flag_const_strings): Don't declare.
9770 * c-common.c (flag_const_strings): Remove.
9771 * c.opt (fconst_strings): Remove.
9772 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9773 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9774 (c_common_init_options): Don't set flag_const_strings.
9775 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9777 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9779 * arm.md (tlobits_cbranch): New pattern.
9780 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9781 testing a single bit.
9783 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9785 PR tree-opt/26179
9786 * tree-ssa-pre.c (create_component_ref_by_pieces):
9787 Handle RETURN_DECL like VAR_DECL.
9789 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9791 PR middle-end/26134
9792 * fold-const.c (fold_indirect_ref_1): Fold
9793 "*(foo *)&complexfoo" to "__real__ complexfoo"
9794 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9796 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9798 * tree-flow-inline.h (var_can_have_subvars):
9799 Volatile variables should not have subvariables.
9801 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9803 PR 26180
9804 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9805 multiplying unsigned values.
9806 Tidy comments.
9808 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9810 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9812 2006-02-08 Jason Merrill <jason@redhat.com>
9814 PR c++/25979
9815 * tree.def: Elaborate on difference from MODIFY_EXPR.
9816 * doc/c-tree.texi (INIT_EXPR): Likewise.
9817 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9818 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9819 (gimplify_target_expr): Likewise.
9820 (gimplify_cond_expr): Remove target handling.
9821 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9822 (gimplify_expr): Clobber it here.
9823 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9824 Do return slot optimization if we have an INIT_EXPR.
9826 PR tree-opt/24365
9827 * tree-inline.c (declare_return_variable): Also clear
9828 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9830 PR c++/16405
9831 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9833 PR middle-end/22439
9834 * gimplify.c (gimplify_one_sizepos): Fix typo.
9836 2006-02-08 Jeff Law <law@redhat.com>
9838 PR tree-optimization/21417
9839 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9840 across a backedge if the control statement at the end of the
9841 block is data dependent on other statements in the same block.
9842 (record_temporary_equivalences_from_stmts): Remove over-conservative
9843 test for threading across backedges.
9845 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9846 control statement, handle all three special cases in the same
9847 manner as they all have the same desired solution. No longer
9848 special case edge flag updating when the post dominator is
9849 the exit block.
9851 2006-02-08 Roger Sayle <roger@eyesopen.com>
9853 * tree.def (CHAR_TYPE): Remove.
9854 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9855 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9856 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9857 (gen_string_type_die): Delete unreachable function.
9859 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9860 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9861 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9862 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9863 * builtins.c (type_to_class): Likewise.
9864 * fold-const.c (fold_convert, build_range_check,
9865 merge_ranges): Likewise.
9866 * expr.c (count_type_elements): Likewise.
9867 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9868 * stor-layout.c (layout_type): Likewise.
9869 * ipa-type-escape.c (type_to_consider): Likewise.
9870 * gimplify.c (omp_firstprivatize_type_sizes,
9871 gimplify_type_sizes): Likewise.
9872 * explow.c (promote_mode): Likewise.
9873 * tree-sra.c (is_sra_scalar_type): Likewise.
9874 * varasm.c (output_constant): Likewise.
9875 * tree-inline.c (remap_type_1): Likewise.
9876 * convert.c (convert_to_pointer, convert_to_real,
9877 convert_to_integer, convert_to_complex): Likewise.
9879 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9881 * df-scan.c (df_def_record_1): A set destination may
9882 be a parallel regardless of mode.
9884 2006-02-08 Roger Sayle <roger@eyesopen.com>
9886 PR target/22209
9887 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9888 * config/mips/_tilib.c: Remove.
9889 * config/fixtfdi.c: New libgcc source file.
9890 * config/fixunstfdi.c: New source file.
9891 * config/floatditf.c: New source file.
9892 * config/floatunditf.c: New souce file.
9893 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9894 files above instead of config/mips/_tilib.c.
9895 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9897 2006-02-08 Jeff Law <law@redhat.com>
9899 PR tree-optimization/26169
9900 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9901 threading jumps.
9903 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9905 * df.h (DF_REG_SIZE): Return the length of the initialized
9906 part of the array.
9908 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9910 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9911 __muldf3): Return a correctly signed zero.
9913 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9915 * passes.c (register_one_dump_file): Accept the current properties
9916 instead of pass number. Adjust call to dump_register. Remove
9917 duplicated code.
9918 (register_dump_files): Now a wrapper around...
9919 (register_dump_files_1): ... this one. Do not modify the pass
9920 structure.
9921 (next_pass_1): Cosmetic fix.
9922 (execute_todo): Keep second parameter only. Use curr_properties
9923 instead of fetching it from the pass structure. Check and set
9924 last_verified.
9925 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9926 instead of fetching it from the pass structure. Fix calls to
9927 execute_todo. Update curr_properties and initialize .vcg RTL dump
9928 after running the pass. Reset last_verified.
9929 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9930 at the beginning.
9931 (FIRST_AUTO_NUMBERED_DUMP): New.
9932 (dump_register): Remove "num" parameter, assign it within the
9933 function.
9934 (get_dump_file_name): Modify template for dumps.
9935 * tree-dump.h (dump_register): Adjust prototype.
9936 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9937 (PROP_trees): Add PROP_gimple_lomp.
9938 (TODO_set_props): New.
9939 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9940 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9941 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9943 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9945 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9946 (sparc64-*-linux*): Likewise.
9947 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9948 * config/sparc/t-linux: New file.
9949 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9950 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9951 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9952 -m32 -mlong-double-128.
9954 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9955 * config/alpha/t-linux: New file.
9956 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9958 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9959 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9960 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9961 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9962 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9963 (CPP_ARCH32_SPEC): Remove.
9965 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9967 PR tree-optimization/26145
9968 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9969 bbs pointer.
9971 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9973 PR target/26109
9974 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9975 >= 240000 when generating code for SOM runtime.
9976 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9977 to $$dyncall when generating code for SOM runtime..
9979 2006-02-07 Dirk Mueller <dmueller@suse.com>
9981 PR c++/18150
9982 * doc/invoke.texi (-Wsequence-point): Update documentation
9983 that -Wsequence-point is implemented for C++ as well.
9985 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9987 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9988 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9989 (LIB_SPEC): Likewise.
9990 * doc/invoke.texi (SPARC options): Document -pthread.
9992 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9994 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9995 PIC addresses.
9997 2006-02-07 Roger Sayle <roger@eyesopen.com>
9999 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10000 Correct comment describing BOOLEAN_TYPE.
10002 2006-02-07 Dirk Mueller <dmueller@suse.com>
10004 * c.opt: C++ frontend supports -Wdiv-by-zero.
10005 * c-opts.c (c_common_handle_option): Remove dead case.
10007 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10009 * configure.ac (TLS assembler check): Do not enable TLS by
10010 default on SPARC/Solaris before version 10.
10011 * configure: Regenerate.
10013 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10015 * doc/invoke.texi (xl-compat): Document conversion and support
10016 routine names.
10018 2006-02-07 Jeff Law <law@redhat.com>
10020 * tree-vrp.c (find_conditional_asserts): Update comments.
10021 (simplify_stmt_for_jump_threading): New.
10022 (identify_jump_threads, finalize_jump_threads): New.
10023 (vrp_finalize): Call identify_jump_threads.
10024 (execute_vrp): Call finalize_jump_threads.
10025 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10026 (vrp_element, vrp_data, vrp_element_p): Remove.
10027 (vrp_hash_elt, vrp_variables_stack): Remove.
10028 (vrp_hash, vrp_eq, record_range): Remove.
10029 (simplify_cond_and_lookup_avail_expr): Remove.
10030 (extract_range_from_cond): Remove.
10031 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10032 (simplify_stmt_for_jump_threading): New.
10033 (dom_thread_across_edge): New wrapper.
10034 (tree_ssa_dominator_optimize): No longer initialize or
10035 finalize any of the VRP datastructures. Remove iteration
10036 step and simplify as a result of removal of iteration step.
10037 (pass_dominator): Perform a cfg cleanup after DOM.
10038 (dom_opt_finalize_block): Use the new common routines
10039 for threading jumps. Simplify stack management slightly.
10040 No longer need to unwind VRP state.
10041 (record_equivalences_from_incoming_edge): No longer record
10042 VRP information.
10043 (eliminate_redundant_computations): No longer call
10044 simplify_cond_and_lookup_avail_expr.
10045 * tree-flow.h (potentially_threadable_block): Prototype.
10046 (thread_across_edge): Likewise.
10047 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10048 (tree-ssa-threadedge.o): Add dependencies.
10049 * tree-ssa-threadedge.c: New file.
10050 * passes.c (init_optimization_passes): Merge PHIs before
10051 calling VRP. Run VRP again late in the SSA optimization pipeline.
10053 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10055 * df-core.c (df_set_blocks): Do not dereference function pointers.
10056 (df_finish1): Likewise.
10057 (df_hybrid_search_forward): Likewise.
10058 (df_hybrid_search_backward): Likewise.
10059 (df_iterative_dataflow): Likewise.
10060 (df_analyze_problem): Likewise.
10061 (df_compact_blocks): Likewise.
10062 (df_dump): Likewise.
10063 * df-scan.c (df_rescan_blocks): Likewise.
10064 (df_record_entry_block_defs): Likewise.
10066 * genconditions.c (write_conditions): Guard the definition of
10067 'insn_conditions' with the check on GCC version.
10068 (write_writer): Guard the traversal 'insn_conditions' with
10069 the check on GCC version.
10071 2006-02-07 Richard Guenther <rguenther@suse.de>
10073 PR c++/26140
10074 Revert
10075 2006-01-30 Richard Guenther <rguenther@suse.de>
10076 PR c++/23372
10077 * gimplify.c (gimplify_target_expr): Handle easy cases
10078 without creating a temporary.
10080 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10082 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10083 use of float in probability computations. Use edge probabilities
10084 in place of statically computed probabilities.
10085 (min_spec_prob): New static variable.
10086 (schedule_insns): Initialize it.
10087 (GET_SRC_PROB): Removed.
10088 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10090 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10092 PR debug/24444
10093 * config/ia64/unwind-ia64.c: Revert last change.
10094 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10095 (INCOMING_FRAME_SP_OFFSET): Define.
10097 2006-02-06 Roger Sayle <roger@eyesopen.com>
10099 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10101 2006-02-07 Ben Elliston <bje@au.ibm.com>
10103 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10104 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10105 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10106 (ix86_return_in_memory): Handle TDmode.
10107 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10108 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10110 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10112 * reorg.c (dbr_schedule): Use dump_file instead of file.
10114 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10116 PR target/25917
10117 * config/ia64/predicates.md (extr_len_operand): New predicate.
10118 * config/ia64/ia64.md (extv): Tighten constraints.
10119 (extzv): Ditto.
10120 (*tbit_and_2): Ditto.
10121 (*tbit_and_3): Ditto.
10122 (*tbit_or_2): Ditto.
10123 (*tbit_or_3): Ditto.
10124 (*bit_zero): Ditto.
10125 (*bit_one): Ditto.
10127 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10129 PR target/23359
10130 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10132 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10134 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10135 loop_optimizer_init and loop_optimizer_finalize
10136 * tree-ssa-sink.c (execute_sink_code): Ditto.
10137 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10138 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10139 tree_ssa_loop_done): Ditto.
10140 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10141 * sched-ebb.c: Include output.h.
10142 (schedule_ebbs): Do not use dump argument.
10143 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10144 * loop.c (loop_dump_stream): Removed.
10145 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10146 argument.
10147 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10148 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10149 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10150 loop_iterations, strength_reduce, record_biv, record_giv,
10151 final_giv_value, check_final_value, check_ext_dependent_givs,
10152 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10153 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10154 dump_file instead of loop_dump_stream.
10155 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10156 argument dump_file.
10157 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10158 dump argument.
10159 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10160 * haifa-sched.c: Include output.h
10161 (schedule_insns, sched_init): Do not use dump argument.
10162 * mode-switching.c (optimize_mode_switching): Ditto.
10163 * modulo-sched.c (stats_file): Removed.
10164 (print_node_sched_params): Do not call argument dump_file.
10165 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10166 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10167 of stats_file.
10168 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10169 use dump argument.
10170 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10171 rtl_loop_init, rtl_loop_done): Ditto.
10172 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10173 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10174 Ditto.
10175 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10176 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10177 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10178 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10179 * emit-rtl.c (renumber_insns): Ditto.
10180 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10181 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10182 * regclass.c (regclass): Ditto.
10183 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10184 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10185 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10186 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10187 Ditto.
10188 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10189 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10190 to regclass.
10191 * gcse.c (gcse_file, debug_stderr): Removed.
10192 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10193 rest_of_handle_gcse): Do not use dump argument.
10194 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10195 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10196 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10197 compute_code_hoist_vbeinout, compute_code_hoist_data,
10198 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10199 compute_store_table, build_store_vectors, insert_insn_start_bb,
10200 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10201 store_motion): Use dump_file instead of gcse_file.
10202 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10203 * profile.c (profile_dump_file): Removed.
10204 (branch_prob): Use dump_file instead of profile_dump_file.
10205 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10206 dump_file.
10207 * tree-ssa-copy.c (dump_copy_of): Ditto.
10208 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10209 dump file to life_analysis.
10210 * bt-load.c (branch_target_load_optimize): Ditto.
10211 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10212 renumber_insns.
10213 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10214 regclass, dbr_schedule): Declaration changed.
10215 * sched-int.h (sched_init): Declaration changed.
10216 * tree-profile.c (tree_profile_dump_file): Removed.
10217 (tree_profile_hooks): Removed profile_dump_file hook.
10218 * rtl-profile (rtl_profile_dump_file): Removed.
10219 (rtl_profile_hooks): emoved profile_dump_file hook.
10220 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10221 changed.
10222 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10223 * tree-cfg.c (build_tree_cfg): Ditto.
10224 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10225 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10226 Declaration changed.
10227 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10228 life_analysis and schedule_insns.
10229 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10230 life_analysis.
10231 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10232 dbr_schedule.
10233 * config/mips/mips.c (mips_reorg): Ditto.
10234 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10235 schedule_ebbs.
10237 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10239 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10240 (s390_mangle_fundamental_type): New.
10241 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10242 Define.
10244 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10245 (alpha_mangle_fundamental_type): New.
10246 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10247 Define.
10249 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10250 Define.
10251 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10252 Define.
10253 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10254 (sparc_mangle_fundamental_type): New.
10256 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10258 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10259 (s390x-*-linux*): Likewise.
10260 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10261 * config/s390/t-linux: New file.
10263 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10265 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10266 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10268 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10270 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10271 (ANTIC_SAFE_LOADS): New macro.
10272 (find_or_generate_expression): Add prototype.
10273 (set_contains_value): Allow null set for sake of not always having
10274 to allocate ANTIC_SAFE_LOADS.
10275 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10276 Allow COMPONENT_REF too.
10277 (valid_in_set): Allow COMPONENT_REF.
10278 Check ANTIC_SAFE_LOADS too.
10279 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10280 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10281 rename.
10282 (can_PRE_operation): Add COMPONENT_REF.
10283 (create_component_ref_by_pieces): New function.
10284 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10285 (insert_aux): Move AGGREGATE_TYPE_P check here.
10286 (compute_avail): Set bb local stmt uids.
10287 (pass_pre): Use TODO_update_ssa_only_virtuals.
10289 2006-02-06 Ben Elliston <bje@au.ibm.com>
10291 * configure.ac: Unconditionally disable decimal float by default.
10292 * configure: Regenerate.
10294 2006-02-06 Ben Elliston <bje@au.ibm.com>
10296 * read-rtl.c (read_name): Terminate reading on EOF.
10298 2006-02-06 Ben Elliston <bje@au.ibm.com>
10300 * dfp.c (decimal_real_arithmetic): Change second argument type
10301 from int to enum tree_code. Do not always return true, but now
10302 return result of any call to decimal_do helper functions.
10303 * dfp.h (decimal_real_arithmetic): Update prototype.
10305 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10307 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10309 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10311 PR tree-opt/25251
10312 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10313 forced labels.
10315 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10317 * tree-vrp.c (cfg_loops): Removed.
10318 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10319 Use current_loops instead of cfg_loops. Pass flags to
10320 loop_optimizer_init.
10321 * cfgloopmanip.c (fix_loop_structure): Update only available
10322 information.
10323 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10324 loop_optimizer_init.
10325 * modulo-sched.c (build_loops_structure): Removed.
10326 (sms_schedule): Use loop_optimizer_init.
10327 * loop-init.c (loop_optimizer_init): Use flags to determine
10328 which properties of loops to prepare.
10329 (rtl_loop_init): Pass flags to loop_optimizer_init.
10330 * tree-ssa-sink.c (execute_sink_code): Ditto.
10331 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10332 * tree-ssa-pre.c (init_pre): Ditto.
10333 * cfgloop.h (LOOPS_NORMAL): New.
10334 (loop_optimizer_init): Declaration changed.
10336 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10338 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10339 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10340 pa/t-pa.
10341 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10342 pa/t-pa.
10343 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10344 pa/x-ada.
10345 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10346 * pa/t-pa64: Delete quadlib.c rule.
10347 * pa/x-ada: Revert last change.
10348 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10350 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10352 PR rtl-optimization/26087
10353 * rtlanal.c (canonicalize_condition): Do not cross basic block
10354 boundaries.
10356 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10358 PR debug/24444
10359 * config/ia64/ia64.c: Include debug.h.
10360 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10361 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10362 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10363 (process_epilogue, process_set, process_for_unwind_directive):
10364 Output unwind info only if requested. Add CFA info if requested.
10365 Add new arguments as needed. Adjust callers.
10366 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10367 incorrect default.
10368 (DWARF2_FRAME_INFO): Define to zero.
10369 * config/ia64/unwind-ia64.c: Remove code that compensated for
10370 the CFA offset error fixed above.
10371 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10372 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10373 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10374 -funwind-tables and -fexceptions to enable frame info.
10375 (dwarf2out_frame_init): Define initial CFA even if
10376 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10377 DWARF2_UNWIND_INFO is nonzero, not just defined.
10378 (dwarf2out_frame_finish): Output non-EH call frame info only
10379 if DWARF2_FRAME_INFO is nonzero.
10380 (convert_cfa_to_loc_list,
10381 compute_frame_pointer_to_cfa_displacement): Define even if
10382 unwind info is not supported.
10383 (gen_subprogram_die): Use the above unconditionally. Remove
10384 legacy alternate code.
10385 * toplev.c (compile_file): Compile in call to
10386 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10387 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10389 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10390 Jakub Jelinek <jakub@redhat.com>
10392 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10393 IBM extended float format long double as "g" on powerpc*-linux.
10395 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10397 PR target/25926
10398 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10399 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10401 2006-02-03 Jason Merrill <jason@redhat.com>
10403 PR c++/25979
10404 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10406 PR middle-end/25977
10407 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10408 on the return slot if it's an NRV.
10410 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10412 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10413 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10414 rewrite_use): Do not handle USE_OUTER.
10415 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10416 add_iv_outer_candidates, may_replace_final_value,
10417 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10418 (find_interesting_uses_op): Functionality of
10419 find_interesting_uses_outer_or_nonlin moved here.
10420 (find_interesting_uses_outside): Use find_interesting_uses_op.
10422 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10424 PR target/25960
10425 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10427 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10428 Ulrich Weigand <uweigand@de.ibm.com>
10430 PR target/25864
10431 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10432 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10433 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10434 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10435 and dxr fields.
10436 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10437 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10438 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10439 Define secondary reloads for TFmode moves.
10440 (constant_modes): Add TFmode.
10441 (NR_C_MODES): Set to 8.
10442 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10443 builtin define.
10444 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10445 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10446 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10447 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10448 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10449 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10450 (FPR mode macro): Add TFmode.
10451 (DSF mode macro): New.
10452 (<de>, <dee> mode attributes): Removed.
10453 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10454 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10455 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10456 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10457 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10458 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10459 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10460 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10461 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10462 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10463 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10464 "*negabs<mode>2", "sqrt<mode>2"):
10465 Changed <de> to <xde>. R constraint replaced by <Rf>.
10466 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10467 <Rf>.
10468 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10469 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10470 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10471 splitters.
10472 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10473 "extenddftf2", "extendsftf2"): New expanders.
10474 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10475 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10476 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10477 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10478 New options.
10479 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10480 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10481 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10482 __floatditf): Add a GCC_4.1.0 symbol version tag.
10483 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10484 the new options.
10486 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10488 PR target/25377
10489 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10490 Use targetm.binds_local_p instead of TREE_PUBLIC.
10492 2006-02-02 Roger Sayle <roger@eyesopen.com>
10494 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10495 on INTEGER_TYPEs to indicate that it denotes a character type.
10496 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10497 signed_char_type_node, unsigned_char_type_node and char_type_node.
10498 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10499 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10500 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10502 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10503 Daniel Berlin <dberlin@dberlin.org>
10505 * tree-tailcall.c (arg_needs_copy_p): New function.
10506 (eliminate_tail_call): Use arg_needs_copy_p.
10507 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10508 (add_virtual_phis): New function.
10510 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10512 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10513 #ignore instead of #scratch for %g7 .register directive.
10515 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10517 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10518 object files.
10520 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10522 * flow.c (calculate_global_regs_live): Assert that there aren't any
10523 EDGE_FAKE edges.
10525 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10527 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10528 what its name says.
10529 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10530 bsi_after_labels iterator.
10531 * tree-if-conv.c (find_phi_replacement_condition,
10532 replace_phi_with_cond_modify_expr): Likewise.
10533 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10534 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10536 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10538 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10540 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10542 PR 25990
10543 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10544 array after growing it.
10546 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10548 PR middle-end/24901
10549 * fold-const.c (fold_checksum_tree): Change type of buf.
10551 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10553 * reload.c (push_secondary_reload): Initialize t_icode.
10555 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10557 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10558 -msoft-float -mlong-double-128 only issue a warning, but don't
10559 swich to DFmode long double.
10561 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10563 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10564 has a constant equivalent, iterate over equivalents for arg0,
10565 calling simplify_relational_operation and if there's a result
10566 cheaper than X, apply fold_rtx and return the result.
10568 2006-02-01 Jan Hubicka <jh@suse.cz>
10570 * opts.c (no_unit_at_a_time_default): New global variable.
10571 (decode_options): Use it.
10572 * opts.h (no_unit_at_a_time_default): Declare.
10574 2006-02-01 Paul Brook <paul@codesourcery.com>
10576 * function.c (assign_parm_setup_reg): Use function argument promotion
10577 rules.
10578 * expr.c (expand_expr_real_1): Use function argument promotion rules
10579 for PARM_DECLs.
10581 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10583 * gcc.c (process_command): Change j to 'unsigned int'.
10585 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10587 PR middle-end/26001
10588 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10589 Use the corrected index for the character
10590 out of the string constant.
10592 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10594 * mode-switching.c (optimize_mode_switching): Fix size
10595 allocated for bb_info[n_entities].
10597 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10599 * gcc.c (main): Correct type that is allocated for
10600 explicit_link_files.
10602 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10604 * config/s390/s390.c (init_alignment_context): Set
10605 ALIAS_SET_MEMORY_BARRIER on the MEM.
10606 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10608 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10610 PR middle-end/25933
10611 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10612 dom_bbs pointer.
10613 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10614 call to tpa_init.
10616 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10618 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10619 * regrename.c: Ditto.
10620 * tree-ssa-loop-im.c: Ditto.
10621 * tree-dump.c: Ditto.
10622 * tree-complex.c: Ditto.
10623 * genrecog.c: Ditto.
10624 * tree-ssa-threadupdate.c: Ditto.
10625 * tracer.c: Ditto.
10626 * java/class.c: Ditto.
10627 * java/jcf-parse.c: Ditto.
10628 * java/resource.c: Ditto.
10629 * java/except.c: Ditto.
10630 * java/jvspec.c: Ditto.
10631 * java/jcf-write.c: Ditto.
10632 * java/jcf-path.c: Ditto.
10633 * java/gjavah.c: Ditto.
10634 * java/zextract.c: Ditto.
10635 * java/jcf-io.c: Ditto.
10636 * java/jcf.h: Ditto.
10637 * java/buffer.c: Ditto.
10638 * java/lang.c: Ditto.
10639 * java/parse-scan.y: Ditto.
10640 * java/lex.c: Ditto.
10641 * java/lex.h: Ditto.
10642 * cfgloopmanip.c: Ditto.
10643 * postreload-gcse.c: Ditto.
10644 * tree-ssa-loop-manip.c: Ditto.
10645 * postreload.c: Ditto.
10646 * tree-ssa-loop-ch.c: Ditto.
10647 * loop.c: Ditto.
10648 * ipa-cp.c: Ditto.
10649 * cppspec.c: Ditto.
10650 * diagnostic.c: Ditto.
10651 * final.c: Ditto.
10652 * genoutput.c: Ditto.
10653 * gcc.c: Ditto.
10654 * cfghooks.c: Ditto.
10655 * cfgloopanal.c: Ditto.
10656 * objc/objc-act.c: Ditto.
10657 * gcov.c: Ditto.
10658 * genextract.c: Ditto.
10659 * genautomata.c: Ditto.
10660 * pretty-print.c: Ditto.
10661 * genemit.c: Ditto.
10662 * cgraphunit.c: Ditto.
10663 * flow.c: Ditto.
10664 * df-scan.c: Ditto.
10665 * haifa-sched.c: Ditto.
10666 * dominance.c: Ditto.
10667 * dbxout.c: Ditto.
10668 * tree-ssa-loop-ivopts.c: Ditto.
10669 * df-core.c: Ditto.
10670 * mode-switching.c: Ditto.
10671 * modulo-sched.c: Ditto.
10672 * graph.c: Ditto.
10673 * ipa-pure-const.c: Ditto.
10674 * cse.c: Ditto.
10675 * fix-header.c: Ditto.
10676 * web.c: Ditto.
10677 * tree-stdarg.c: Ditto.
10678 * ipa-utils.c: Ditto.
10679 * loop-init.c: Ditto.
10680 * ipa-inline.c: Ditto.
10681 * cfganal.c: Ditto.
10682 * global.c: Ditto.
10683 * alloc-pool.c: Ditto.
10684 * dwarf2out.c: Ditto.
10685 * opts.c: Ditto.
10686 * genattrtab.c: Ditto.
10687 * tree-ssa-loop-ivcanon.c: Ditto.
10688 * predict.c: Ditto.
10689 * timevar.c: Ditto.
10690 * lcm.c: Ditto.
10691 * fortran/gfortranspec.c: Ditto.
10692 * regmove.c: Ditto.
10693 * local-alloc.c: Ditto.
10694 * langhooks.c: Ditto.
10695 * function.c: Ditto.
10696 * tree-vectorizer.c: Ditto.
10697 * gcse.c: Ditto.
10698 * ipa-type-escape.c: Ditto.
10699 * alias.c: Ditto.
10700 * tree-if-conv.c: Ditto.
10701 * profile.c: Ditto.
10702 * ipa.c: Ditto.
10703 * tree-data-ref.c: Ditto.
10704 * loop-unroll.c: Ditto.
10705 * treelang/treetree.c: Ditto.
10706 * calls.c: Ditto.
10707 * bt-load.c: Ditto.
10708 * ggc-common.c: Ditto.
10709 * except.c: Ditto.
10710 * coverage.c: Ditto.
10711 * cselib.c: Ditto.
10712 * tree-cfgcleanup.c: Ditto.
10713 * tree-ssa-pre.c: Ditto.
10714 * cfgcleanup.c: Ditto.
10715 * loop-invariant.c: Ditto.
10716 * loop-iv.c: Ditto.
10717 * ipa-prop.c: Ditto.
10718 * print-tree.c: Ditto.
10719 * conflict.c: Ditto.
10720 * ggc-page.c: Ditto.
10721 * sched-deps.c: Ditto.
10722 * regclass.c: Ditto.
10723 * tree-object-size.c: Ditto.
10724 * combine.c: Ditto.
10725 * bb-reorder.c: Ditto.
10726 * resource.c: Ditto.
10727 * var-tracking.c: Ditto.
10728 * cfgloop.c: Ditto.
10729 * df-problems.c: Ditto.
10730 * reg-stack.c: Ditto.
10731 * tlink.c: Ditto.
10732 * gccspec.c: Ditto.
10733 * sched-rgn.c: Ditto.
10734 * tree-ssa-structalias.c: Ditto.
10735 * tree-ssa-reassoc.c: Ditto.
10736 * config/darwin-c.c: Ditto.
10737 * config/darwin.c: Ditto.
10738 * config/arm/arm.c: Ditto.
10739 * cfgrtl.c: Ditto.
10740 * collect2.c: Ditto.
10741 * reload1.c: Ditto.
10743 2006-01-31 Nicolas Pitre <nico@cam.org>
10745 * arm.md (smaxsi3): Make aware of smax_m1.
10746 (smax_m1): New.
10748 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10750 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10752 2006-01-31 Richard Guenther <rguenther@suse.de>
10754 * doc/invoke.texi (-msselibm): Document.
10755 * target.h (expand_library_builtin): New target hook.
10756 * builtins.c (expand_builtin): Use expand_library_builtin.
10757 (default_expand_library_builtin): New function.
10758 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10759 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10760 (link_gcc_math_spec): Declare.
10761 (static_specs): Add link_gcc_math_spec.
10762 * expr.h (default_expand_library_builtin): Declare.
10763 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10764 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10765 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10766 * config/i386/i386.opt (msselibm): New target option.
10767 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10768 (ix86_init_sse_abi_builtins): New function.
10769 (ix86_expand_library_builtin): Likewise.
10770 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10771 (override_options): Handle error conditions wrt -msselibm.
10772 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10773 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10774 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10775 builtins.
10777 2006-01-31 Richard Guenther <rguenther@suse.de>
10778 Paolo Bonzini <bonzini@gnu.org>
10780 * doc/install.texi (--disable-libgcc-math): Document.
10782 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10784 * expr.h (expand_normal): new inline function.
10785 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10786 * dojump.c: use it.
10787 * dwarf2out.c: use it.
10788 * expr.c: use it.
10789 * calls.c: use it.
10790 * expmed.c: use it.
10791 * except.c: use it.
10792 * config/sparc/sparc.c: use it.
10793 * config/i386/i386.c: use it.
10794 * config/rs6000/rs6000.c: use it.
10795 * config/arm/arm.c: use it.
10796 * config/mips/mips.c: use it.
10797 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10799 2006-01-30 Roger Sayle <roger@eyesopen.com>
10801 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10802 argv to the appropriate type.
10804 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10806 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10807 unreachable code.
10809 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10811 PR target/26018
10812 * config/s390/s390.c (struct machine_function): New flag
10813 decomposed_literal_pool_addresses_ok_p.
10814 (s390_reorg): Set it before final stage of literal pool transforms.
10815 (s390_decompose_address): Only accept displacements of the form
10816 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10818 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10820 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10821 the comparison routine return.
10823 2006-01-30 Michael Matz <matz@suse.de>
10825 * global.c (find_reg): Only evict for global regs.
10826 Take n_refs into account and dump more info.
10828 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10830 PR target/14798:
10831 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10832 (pragma_trap, pragma_nosave_low_regs): Likewise.
10833 (current_function_anonymous_args): Likewise.
10834 (sh_deferred_function_attributes): New variable.
10835 (sh_deferred_function_attributes_tail): Likewise.
10836 (print_operand): For '@', look up trap_exit attribute.
10837 (calc_live_regs): Look up trapa_handler attribute. For trapa
10838 handlers, save/restore fpscr, but don't do any other
10839 interrupt-specific saves.
10840 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10841 Fix check for partially saved registers to check for SHmedia.
10842 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10843 (sh_output_function_epilogue): Don't clear any of the removed
10844 variables.
10845 (sh_insert_attributes): Don't check pragma_interrupt.
10846 Insert deferred attributes. Check that interrupt attribute is
10847 present for other attributes that require its presence.
10848 (sh_attribute_table): Add new attributes trapa_handler and
10849 nosave_low_regs.
10850 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10851 Don't check for pragma_interrupt. Don't store argument.
10852 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10853 (sh_deferred_function_attributes): Declare.
10854 (sh_deferred_function_attributes_tail): Likewise.
10855 * sh.md (sp_switch_1): Add operand. Change generator caller.
10856 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10857 (*return_i): Don't use when trap_exit attribute is in effect.
10858 (*return_trapa): New insn pattern.
10859 * sh-c.c: New file.
10860 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10861 setting c_target_objs and cxx_target_objs.
10862 * t-sh: Add rule for sh-c.o.
10864 2006-01-30 Richard Guenther <rguenther@suse.de>
10866 PR c++/23372
10867 * gimplify.c (gimplify_target_expr): Handle easy cases
10868 without creating a temporary.
10870 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10872 * vec.h (safe_grow): Remove duplicated line.
10874 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10876 PR 25874
10877 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10878 (expand_omp): ... here.
10879 (expand_omp_parallel): Only remove barriers for combined
10880 parallel+workshare constructs.
10882 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10884 Revert
10886 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10887 * tree.c (build_qualified_type): Chain the new type to the original
10888 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10889 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10890 (build_pointer_type_for_mode): Only return unqualified types.
10891 (build_reference_type_for_mode): Likewise.
10893 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10895 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10896 * Makefile.in (CXX_COMPAT_WARN): Define.
10897 * configure: Regenerate.
10899 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10901 PR tree-opt/25911
10902 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10903 to an if check.
10905 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10907 * toplev.c: Fix thinko.
10909 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10910 Marcin Dalecki <martin@dalecki.de>
10912 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10913 (push_srcloc): Use XNEW.
10914 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10916 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10918 * df-core.c (df_set_blocks): Deleted all variable.
10920 2006-01-28 Ian Lance Taylor <ian@airs.com>
10922 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10923 cgraph_output_pending_asms.
10925 2006-01-28 Zack Weinberg <zackw@panix.com>
10927 * c.opt: Add -W(no-)overlength-strings.
10928 * doc/invoke.texi: Document it.
10929 * c-opts.c (c_common_handle_option): -pedantic implies
10930 -Woverlength-strings, if not explicitly disabled already.
10931 (c_common_post_options): -Woverlength-strings defaults to off, and
10932 is always off for C++.
10933 * c-common.c (fix_string_type): Issue warning about strings longer
10934 than is portable only if warn_overlength_strings. Rearrange code
10935 a little for clarity.
10936 * configure.in: Check for -Wno-overlength-strings as well before
10937 enabling -pedantic in stage 1.
10938 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10939 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10941 * genconditions.c (write_header, write_one_condition)
10942 (write_conditions, write_writer): Consolidate very long strings
10943 that were broken up to fit in C89 portable limit. Don't use
10944 printf when fputs will do.
10946 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10948 * combine.c (simplify_comparison <AND>): Check
10949 TRULY_NOOP_TRUNCATION before start using a subreg.
10951 * config/mips/mips.md (*branch_zero<mode>,
10952 *branch_zero<mode>_inverted, *branch_equality<mode>,
10953 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10954 Remove mode check from comparisons.
10956 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10958 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10960 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10962 * expmed.c (const_mult_add_overflow_p): Remove.
10963 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10965 * recog.c (validate_replace_rtx_subexp): Remove.
10966 * recog.h: Remove the prototype for
10967 validate_replace_rtx_subexp.
10969 * integrate.h: Remove the prototype for
10970 copy_decl_for_inlining.
10971 * rtl.h: Remove the prototype for mark_constant_function.
10972 * tree-vectorizer.h: Remove the prototype for
10973 vect_strip_conversion.
10975 * modulo-sched.c (create_partial_schedule,
10976 free_partial_schedule, reset_partial_schedule): Make them
10977 static.
10979 * hooks.c (hook_bool_rtx_int_false): Remove.
10980 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10982 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10984 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10985 and -mlong-double-128 are incompatible.
10986 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10987 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10988 (TARGET_LIBGCC2_CFLAGS): Define.
10989 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10990 (TARGET_LIBGCC2_CFLAGS): Same.
10991 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10993 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10995 PR c/19606.
10996 * c-typeck.c (build_binary_op): Perform implicit casts of
10997 operands before shortening them.
10999 * cfgloopmanip.c (split_loop_bb): Remove.
11000 * cfgloop.h: Remove the prototype for split_loop_bb.
11002 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11003 * cfgloop.h: Remove the prototype for
11004 flow_loop_outside_edge_p.
11006 * emit-rtl.c (init_virtual_regs): Make it static.
11007 * function.h: Remove the prototype for init_virtual_regs.
11009 * recog.c (peephole2_optimize): Make it static.
11010 * recog.h: Remove the prototype for peephole2_optimize.
11012 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11014 * df-scan.c (df_record_entry_block_defs): Check if
11015 INCOMING_RETURN_ADDR_RTX is defined.
11017 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11018 Kenneth Zadeck <zadeck@naturalbridge.com>
11020 PR rtl-optimization/24762
11021 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11022 * targhooks.c (hook_void_bitmap): New hook prototype.
11023 * targhoohs.h (hook_void_bitmap): Ditto.
11024 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11025 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11026 * target.h (live_on_entry): New function pointer.
11027 * df-scan.c (df_all_hard_regs): Removed.
11028 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11029 (df_scan_free_internal): Added df->entry_block_defs.
11030 (df_scan_alloc): Ditto.
11031 (df_scan_dump): Ditto.
11032 (df_uses_record): Plumbed flag field properly thru calls.
11033 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11034 This part fixes PR24762.
11035 (df_bb_refs_record): Added code to make the frame and arg
11036 pointers live in EH blocks.
11037 (df_refs_record): Added call to df_record_entry_block_defs.
11038 (df_record_entry_block_defs): New function.
11039 * df-core.c: Added comments to describe new artifical defs.
11040 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11041 (entry_block_defs): New field in struct df.
11042 (df_all_hard_regs): Deleted.
11043 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11044 * df-problems.c (df_ru_bb_local_compute_process_def):
11045 Added code to handle artifical defs in the entry to a function.
11046 (df_ru_bb_local_compute): Ditto.
11047 (df_rd_bb_local_compute_process_def): Ditto.
11048 (df_rd_bb_local_compute): Ditto.
11049 (df_lr_bb_local_compute): Ditto.
11050 (df_ur_bb_local_compute): Ditto.
11051 (df_urec_bb_local_compute): Ditto.
11052 (df_chain_create_bb): Ditto.
11053 (df_ur_local_finalize): Removed entry.
11054 (df_urec_init): Ditto.
11055 (df_urec_local_finalize): Ditto.
11056 (df_ri_bb_compute): Added detection of last use of pseudos.
11057 * Makefile.in (df-scan.o): Updated dependencies.
11058 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11059 * config/mips/mips.c (mips_set_live_on_entry): Added.
11060 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11061 for target hook.
11062 * dce.c (marked_insn_p): Added code to handle artifical defs.
11064 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11066 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11067 intrinsic.
11068 (_mm_cvtsi128_si64): Likewise.
11069 (_mm_cvtsd_si64): Likewise.
11070 (_mm_cvttsd_si64): Likewise.
11071 (_mm_cvtsi64_sd): Likewise.
11072 (_mm_cvtsi64_si128): Likewise.
11073 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11074 (_mm_cvtsi64_m64): Likewise.
11075 (_m_to_int64): Likewise.
11076 (_mm_cvtm64_si64): Likewise.
11077 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11078 (_mm_cvttss_si64): Likewise.
11079 (_mm_cvtsi64_ss): Likewise.
11080 (_mm_cvtss_f32): Likewise.
11082 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11084 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11085 for pragma redefine_extname.
11087 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11089 PR target/25864
11090 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11091 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11092 -mno-minimal-toc to previous content.
11093 (bispecs): Remove goal.
11094 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11095 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11096 compatibility aliases on powerpc-*-*gnu*.
11097 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11098 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11099 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11100 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11101 (ldblspecs): New goal.
11102 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11103 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11104 _df_to_tf.
11105 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11106 L_sf_to_tf or L_df_to_tf is defined.
11108 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11109 Alan Modra <amodra@bigpond.net.au>
11111 PR target/25864
11112 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11113 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11114 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11115 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11116 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11117 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11118 (rs6000_override_options): Initialize rs6000_ieeequad.
11119 Initialize TFmode format to ibm_extended_format if not
11120 TARGET_IEEEQUAD.
11121 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11122 ieeelongdouble.
11123 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11124 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11125 (function_arg_advance): IBM long double passed in two FPRs, not
11126 split.
11127 (function_arg): IBM long double passed in FPRs.
11128 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11129 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11130 Only multireg GPR aligned.
11131 (rs6000_init_libfuncs): Enable IBM long double functions if not
11132 IEEEQUAD.
11133 (rs6000_generate_compare): Use IBM long double compare if not
11134 TARGET_IEEEQUAD.
11135 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11136 (TARGET_IEEEQUAD): Define.
11137 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11138 not TARGET_IEEEQUAD.
11139 * config/rs6000/rs6000.md: Enable TFmode patterns if
11140 !TARGET_IEEEQUAD.
11141 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11142 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11143 and -mlong-double-128 are incompatible.
11144 * doc/invoke.texi (-mabi): Collect options together. Add
11145 ibmlongdouble and ieeelongdouble.
11147 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11149 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11150 opaque type.
11151 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11152 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11153 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11154 * rtl.h (rtunion_def): Remove rt_ptr.
11155 (X0PTR): Delete.
11156 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11157 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11158 * config/i386/winnt.c (i386_pe_mark_dllexport)
11159 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11161 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11163 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11165 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11167 PR other/24829
11168 PR target/24831
11169 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11170 pthread_key_delete. From John David Anglin. gthrw-ify
11171 pthread_getunique_np only if it it's not a macro. Delete
11172 UNUSED macro.
11173 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11174 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11175 __gthread_objc_condition_signal, __gthread_key_delete): Add
11176 "__attribute__ ((__unused__))" to unused arguments.
11177 (__gthread_recursive_mutex_init_function): Add missing return.
11178 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11179 gthr-posix95.h: Use macro-based approach for name redirection
11180 on targets missing weakref.
11182 2006-01-26 Zack Weinberg <zackw@panix.com>
11184 * genconditions.c (write_header): In generated code, #ifdef out
11185 all includes and fake declarations, except includes of bconfig.h
11186 and system.h, unless GCC_VERSION >= 3001. Do not include
11187 gensupport.h in any case.
11188 (write_conditions): Generate a definition of struct c_test. Add
11189 a comment to the generated #endif.
11190 (write_one_condition): Escape backslashes in string too.
11191 (write_writer): Generated code must escape backslashes and quote
11192 marks (but not newlines) in the strings it writes.
11193 * Makefile.in (build/gencondmd.o): Update dependencies.
11195 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11197 PR target/25961
11198 * Makefile.in (insn-automata.o): Add header file dependencies.
11199 * genautomata.c: Add includes.
11201 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11203 PR target/25961
11204 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11206 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11208 * configure.ac: Expect target tools paths to be passed from the toplevel
11209 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11210 AS_SET_VAR_IF.
11211 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11213 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11215 PR c/25892
11216 * c.opt (Wpointer-sign): Init to -1.
11217 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11218 OPT_pedantic, to 0 otherwise.
11219 * doc/invoke.texi: Update.
11221 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11223 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11224 constants provided by 80387 instructions in the destination mode.
11226 2006-01-26 Richard Guenther <rguenther@suse.de>
11227 Andrew Pinski <pinskia@physics.uc.edu>
11229 PR tree-opt/21470
11230 partial PR tree-opt/17064
11231 * tree-ssa-structalias.c (intra_create_variable_infos):
11232 Create heap variables for incoming parameters if
11233 flag_argument_noalias > 1.
11234 (find_what_p_points_to): Look through default defs of
11235 parameter decls.
11237 2006-01-26 Jeff Law <law@redhat.com>
11239 PR ada/25900
11240 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11241 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11242 within the VR_RANGE, use the VR_RANGE as the result, not the
11243 VR_ANTI_RANGE.
11244 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11245 bounds for the type.
11247 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11249 * tree-ssa-alias.c (maybe_create_global_var): Change
11250 subvar walking to an assertion that we don't have subvar'd variables.
11252 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11254 PR C/25861
11255 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11256 Use a new variable, inner. PARM_DECLs are always non-weak.
11258 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11260 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11261 --disable-checking.
11263 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11265 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11267 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11269 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11270 (smax_insn, smin_insn, smax_0, smin_0): New.
11272 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11274 PR target/25947
11275 * config/cris/cris.c (cris_order_for_addsi3): New function.
11276 * config/cris/cris-protos.h: Prototype it.
11277 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11278 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11279 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11280 (split for "op.S1 [rx=rx+i],ry (swapped)")
11281 (split for "op(s|u).S1 [rx=rx+i],ry")
11282 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11283 Apply cris_order_for_addsi3 when generating addsi3 insns.
11285 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11287 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11288 (TREE_BLOCK): Add call to EXPR_CHECK.
11290 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11292 PR 25886
11293 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11294 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11295 (dump_omp_clauses): ... here.
11296 (dump_generic_node): Handle OMP_CLAUSE.
11297 * tree.c (omp_clause_num_ops): New.
11298 (omp_clause_code_name): New.
11299 (tree_code_size): Handle OMP_CLAUSE.
11300 (tree_size): Likewise.
11301 (make_node): Document handling of OMP_CLAUSE.
11302 (tree_node_structure): Handle OMP_CLAUSE.
11303 (omp_clause_check_failed): New.
11304 (omp_clause_range_check_failed): New.
11305 (omp_clause_operand_check_failed): New.
11306 (build_omp_clause): New.
11307 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11308 * tree.h (enum omp_clause_code): Declare.
11309 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11310 (OMP_CLAUSE_RANGE_CHECK): Define.
11311 (OMP_CLAUSE_ELT_CHECK): Define.
11312 (omp_clause_check_failed): Declare.
11313 (omp_clause_operand_check_failed): Declare.
11314 (omp_clause_range_check_failed): Declare.
11315 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11316 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11317 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11318 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11319 (OMP_CLAUSE_IF_EXPR): Likewise.
11320 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11321 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11322 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11323 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11324 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11325 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11326 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11327 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11328 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11329 (OMP_CLAUSE_CODE): Define.
11330 (OMP_CLAUSE_SET_CODE): Define.
11331 (OMP_CLAUSE_CODE): Define.
11332 (OMP_CLAUSE_OPERAND): Define.
11333 (struct tree_omp_clause): Declare.
11334 (union tree_node): Add field 'omp_clause'.
11335 * treestruct.def (TS_OMP_CLAUSE): Define.
11336 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11337 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11338 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11339 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11340 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11341 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11342 (OMP_CLAUSE): Define.
11343 * print-tree.c (print_node): Handle OMP_CLAUSE.
11344 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11345 * c-typeck.c: Likewise.
11346 * gimplify.c: Likewise.
11347 * c-omp.c: Likewise.
11348 * tree-nested.c: Likewise.
11349 * tree-inline.c: Likewise.
11350 * c-parser.c: Likewise.
11351 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11352 clauses.
11354 2006-01-25 Roger Sayle <roger@eyesopen.com>
11356 PR rtl-optimization/25703
11357 * combine.c (try_combine): Handle zero_extract and strict_low_part
11358 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11360 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11362 * global.c: Fix comment typos.
11364 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11366 PR target/25758
11367 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11368 Use output_addr_const instead of assemble_name.
11370 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11372 * Makefile.in (sched-vis.o): Update dependencies.
11373 * haifa-sched.c (sched_finish): Clear current_sched_info.
11374 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11375 (dump_flow_info): Call it.
11376 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11377 a slim RTL dump.
11378 * basic-block.h (dump_bb_info): Declare.
11379 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11380 option, and apply options only for dump files whose TDF_RTL,
11381 TDF_TREE, or TDF_IPA bits match.
11382 * rtl.h: Declare new functions exported from sched-vis.c.
11383 * sched-vis.c: Enable also if scheduling is not used.
11384 (print_value): Print the mode of registers if not inside scheduling.
11385 (print_insn): Make it work outside the scheduler. Beautify the output
11386 a bit.
11387 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11389 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11391 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11392 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11393 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11394 depending on the value of CONSTANT_POOL_ADDRESS_P.
11395 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11396 SYMBOL_REF_DECL.
11397 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11398 rather than SYMBOL_REF_DECL.
11399 (rtx_constant_pool): Remove const_rtx_sym_htab.
11400 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11401 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11402 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11403 Remove handling of const_rtx_sym_htab.
11404 (find_pool_constant): Delete.
11405 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11406 rather than find_pool_constant.
11407 (get_pool_constant_for_function): Delete.
11408 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11409 find_pool_constant.
11410 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11411 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11412 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11413 (SYMBOL_REF_CONSTANT): New macro.
11414 (get_pool_constant_for_function): Delete.
11415 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11416 rather than SYMBOL_REF_DECL.
11417 (i386_pe_mark_dllimport): Likewise.
11418 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11419 rather than SYMBOL_REF_DECL.
11420 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11421 (machopic_indirect_call_target): Likewise.
11423 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11425 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11427 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11429 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11431 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11433 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11435 2006-01-24 David Daney <ddaney@avtrex.com>
11437 PR java/25816
11438 * configure.ac (enable_tls): New enable option.
11439 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11440 * configure: Regenerate.
11441 * doc/install.texi (--enable-tls): Document new option.
11442 (--disable-tls): Ditto.
11444 2006-01-24 Richard Henderson <rth@redehat.com>
11446 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11447 * alias.c (true_dependence): Respect it.
11448 (canon_true_dependence, write_dependence_p): Likewise.
11449 * builtins.c (get_builtin_sync_mem): Set it.
11451 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11453 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11454 efficient way.
11456 2006-01-24 DJ Delorie <dj@redhat.com>
11458 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11459 for storing constants in single-bit bitfields.
11461 2006-01-25 Ben Elliston <bje@au.ibm.com>
11463 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11465 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11467 PR tree-opt/25860
11468 * tree-ssa-pre.c (phi_translate): Return NULL
11469 for AGGREGATE_TYPE's.
11471 2006-01-24 Zack Weinberg <zackw@panix.com>
11473 * genautomata.c (process_state_for_insn_equiv_partition):
11474 Use xcalloc for insn_arcs_array.
11475 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11476 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11478 2006-01-24 Richard Henderson <rth@redhat.com>
11480 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11481 update all callers.
11483 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11485 PR rtl-optimization/25890
11486 PR rtl-optimization/25905
11487 * combine.c (expand_compound_operation, expand_field_assignment):
11488 Fail if the bitfield's final position is out of bounds.
11490 2006-01-24 Ian Lance Taylor <ian@airs.com>
11492 PR middle-end/25930
11493 * cgraphunit.c (cgraph_output_in_order): Don't clear
11494 cgraph_asm_nodes until after asm strings have been output.
11496 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11498 * fix-header.c (read_scan_file): Add new parameter imultilib when
11499 calling register_include_chains.
11501 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11503 * omp-low.c: Update documentation.
11505 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11506 Daniel Berlin <dberlin@dberlin.org>
11508 PR tree-opt/25315
11509 PR tree-opt/25857
11510 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11511 return from the function.
11513 2006-01-22 Zack Weinberg <zackw@panix.com>
11515 * rtl.def (match_code): Add second argument.
11516 * genpreds.c (write_extract_subexp): New function.
11517 (write_match_code): Add path argument. Use write_extract_subexp.
11518 (write_predicate_expr): Pass path to write_match_code.
11519 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11520 not perform a mode test.
11521 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11522 a subexpression does not constrain the top-level code set.
11523 * read-rtl.c (read_rtx_variadic): New function.
11524 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11525 * doc/md.texi: Document new notation.
11526 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11527 (cmpsi_operand): ... here, using new notation.
11529 2006-01-22 Zack Weinberg <zackw@panix.com>
11531 * varray.c: Remove GENERATOR_FILE #ifdefs.
11533 2006-01-22 Zack Weinberg <zackw@panix.com>
11535 * genautomata.c (output_reserved_units_table): Emit nothing if
11536 description->query_units_num is zero. Remove extra blank line.
11537 (output_cpu_unit_reservation_p): Short circuit
11538 if description->query_units_num is zero.
11540 2006-01-22 Zack Weinberg <zackw@panix.com>
11542 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11543 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11544 nor any of the random handful of variables that used to be necessary
11545 when this program was linked with rtlanal.o. Prune set of forward
11546 function declarations.
11547 (struct attr_desc): Remove static_p field.
11548 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11549 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11550 (attr_string): Do not read the character one past the length of
11551 the string.
11552 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11553 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11554 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11555 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11556 (make_automaton_attrs): New.
11557 (main): Do not call into genautomata. Call local gen_bypass
11558 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11559 Remove special case for insn_alts.
11560 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11561 varray.h (leftover from previous change). Prune set of forward
11562 function declarations. Remove state_alts fields from all
11563 structures. Remove state_alts_table from struct automaton.
11564 Make everything except main static. Do not maintain num_dfa_decls.
11565 Do not maintain state_alts fields of various structures.
11566 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11567 (add_arc): Remove state_alts argument. All callers updated.
11568 (output_reserved_units_table): Emit #ifdef here...
11569 (output_tables): ...not here. Don't generate state_alts tables.
11570 (expand_automata): Don't generate attributes.
11571 (write_automata): Don't generate state_alts functions.
11572 (main): New function.
11573 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11574 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11575 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11576 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11577 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11578 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11579 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11580 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11581 Delete.
11582 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11583 * genattrtab.h: Delete file.
11584 * Makefile.in (OBJS-common): Add insn-automata.o.
11585 (insn-automata.o): New rule.
11586 (simple_generated_c): Add insn-automata.c.
11587 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11588 (genprogmd): Add automata.
11589 (build/genattrtab): Needs no extra objects nor libraries.
11590 (build/genautomata): Needs build/vec.o and -lm.
11592 2006-01-22 Zack Weinberg <zackw@panix.com>
11594 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11595 (output_dfa_max_issue_rate, locked_states_num): Delete.
11596 (struct automaton): Add locked_states field.
11597 (output_dead_lock_vect): Save number of locked states in
11598 automaton->locked_states. If it is zero, don't print anything.
11599 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11600 (output_internal_dead_lock_func): Only test the dead_lock_vect
11601 for automata that have locked states.
11602 (output_statistics): Always print the number of locked states for
11603 each automaton. Calculate total number of locked states here.
11604 (write_automata): Don't call output_dfa_max_issue_rate.
11605 * genattrtab.c: Define length_unit_log as a const variable.
11606 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11607 max_insn_queue_index const.
11608 * final.c (length_unit_log): Declare const.
11609 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11611 2006-01-22 Zack Weinberg <zackw@panix.com>
11613 * genautomata.c: Include vec.h, not varray.h.
11614 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11615 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11616 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11617 VEC_* macros operating on appropriately typed vectors, or to
11618 malloced arrays when the size is known in advance. Const-ify
11619 many char* variables and function arguments. No functional changes.
11620 * Makefile.in (build/varray.o): Delete rule.
11621 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11622 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11624 2006-01-22 Zack Weinberg <zackw@panix.com>
11626 * gensupport.c: Define get_insn_name and record_insn_name here.
11627 (read_md_rtx): Call record_insn_name as appropriate.
11628 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11629 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11630 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11631 record_insn_name.
11632 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11633 (BUILD_VARRAY): Delete.
11634 (genprognormal): Rename genprogmd. Fold in all programs from
11635 genprognoprint; also attrtab.
11636 (build/genattrtab): Just mention genautomata.o and varray.o.
11637 Reorganize a bit, add comments to make the categories clearer.
11639 2006-01-22 Zack Weinberg <zackw@panix.com>
11641 * genconditions.c (condition_table, add_condition): Delete.
11642 (write_conditions): Don't emit n_insn_conditions nor
11643 insn_elision_unavailable. Issue the gcc version #ifdef here,
11644 inside the table, with no #else clause ...
11645 (write_header): ...not here.
11646 (write_writer): New function.
11647 (main): Don't initialize condition_table. Use add_c_test.
11648 Call write_writer.
11649 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11650 files on the command line.
11651 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11652 Return -1 if there is no entry in the table, don't abort.
11653 (add_c_test, traverse_c_tests): New functions.
11654 * gensupport.h (insn_elision_unavailable, insn_conditions)
11655 (n_insn_conditions): Delete declarations.
11656 (add_c_test, traverse_c_tests): Declare.
11657 * read-rtl.c: Include gensupport.h.
11658 (read_conditions): New function.
11659 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11660 (read_rtx_1): If we get EOF when we were looking for an initial
11661 open paren, return 0. Call read_conditions when appropriate.
11662 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11663 dummy-conditions.o. Eliminate references to insn-conditions.o,
11664 or change them to build/gencondmd.o, as appropriate. Remove
11665 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11666 from $(simple_generated_c). For all files remaining in those
11667 two lists, add insn-conditions.md to the generator command line.
11668 Give insn-constants.h/s-constants their own rules. Add rules
11669 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11670 (build/read-rtl.o): Depend on gensupport.h.
11671 (genprognormal): Include preds.
11672 (genprogearly): Rename genprognoprint; only difference is now that
11673 they don't link with $(BUILD_PRINT).
11674 * dummy-conditions.c: Delete.
11676 2006-01-22 Zack Weinberg <zackw@panix.com>
11678 * genextract.c: Don't include insn-config.h. Do include vec.h.
11679 Declare vectors of int, char, and locstr.
11680 (locstr): New typedef.
11681 (struct extraction): Make all array fields into bare pointers.
11682 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11683 (insn_code_number): Delete.
11684 (accum_extract): New struct.
11685 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11686 (gen_insn): Take insn_code_number as an argument. Use an
11687 accum_extract structure instead of loading data directly into
11688 a struct extraction, and having to know how big it might get.
11689 (walk_rtx): Operate entirely on an accum_extract structure.
11690 (print_path): Avoid unnecessary use of printf.
11691 (print_header): New function, split out of main. Distinguish
11692 more carefully between an unrecognizable insn and an insn that
11693 has the code number of a define_expand.
11694 (main): Pass insn_code_number to gen_insn. Call print_header
11695 only after parsing. Avoid unnecessary use of printf.
11696 * Makefile.in (build/vec.o): New rule.
11697 (build/genextract): Depend on build/vec.o.
11698 (build/genextract.o): Don't depend on insn-config.h.
11700 2006-01-22 Zack Weinberg <zackw@panix.com>
11702 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11703 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11704 practical. Eliminate per-generator-program link rules.
11706 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11708 PR middle-end/24437
11709 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11710 with a call expr to ...
11711 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11713 2006-01-23 Richard Guenther <rguenther@suse.de>
11715 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11716 before make_edge with conditional EDGE_TRUE_VALUE.
11718 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11719 Jan Hubicka <jh@suse.cz>
11720 Richard Guenther <rguenther@suse.de>
11722 PR rtl-optimization/25654
11723 * cfgexpand.c (aggregate_contains_union_type): New function.
11724 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11725 for structure variables that contain a union type.
11727 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11729 * gengtype.c (new_structure): Return the structure.
11730 (create_option): Add an extra "next" argument.
11731 (create_field): New function.
11732 (adjust_field_rtx_def): Use create_option and create_field.
11733 Remove a now-unnecessary call to find_structure.
11734 (adjust_field_tree_def): Likewise.
11735 (note_yacc_type): Remove an unnecessary call to find_structure.
11736 * gengtype.h (new_structure): Return the structure.
11737 (create_option): Add an extra argument.
11738 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11739 (option): Adjust calls to create_option.
11741 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11743 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11745 2006-01-22 Paul Brook <paul@codesourcery.com>
11746 Peter Barada <peter@the-baradas.com>
11748 * config/m68k/m68k.md: Add Coldfire FPU support.
11749 Define FP mode macro and associated attributes.
11750 Use it for float mode patterns.
11751 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11752 (LIBCALL_VALUE): Use m68k_libcall_value.
11753 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11754 (m68k_function_value): Ditto.
11755 (emit_move_sequence): Ditto.
11756 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11757 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11758 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11759 (MULTILIB_EXCEPTIONS): Ditto.
11760 * config/m68k/m68k.opt: Add mcfv4e.
11761 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11762 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11763 (m68k_output_function_prologue): Save ColdFire FPU registers.
11764 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11765 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11766 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11767 ColdFire FPU registers.
11768 (m68k_libcall_value, m68k_function_value): New functions.
11769 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11770 (LIBCALL_VALUE): Use m68k_libcall_value.
11771 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11772 (MASK_COLDFIRE): Add MASK_CFV4E.
11773 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11774 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11775 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11776 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11777 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11778 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11779 * doc/invoke.tex: Document -mcfv4e on m68k.
11781 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11783 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11784 URL.
11786 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11788 PR c++/16190
11789 * c-opts.c (c_common_handle_option): Don't include
11790 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11791 * doc/invoke.texi (C++ Dialect Options): Document that
11792 -Wnon-virtual-dtor is no longer included in -Wall.
11794 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11796 * gcov.c (print_version), gcov-dump.c (print_version),
11797 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11798 dates.
11800 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11802 * df-scan.c (problem_SCAN): Added NULL reset function.
11803 (df_scan_reset_blocks): Added code to call reset block function
11804 (df_bb_refs_delete) Fixed comment.
11805 (df_insn_refs_delete): Made tolerant of deleting non existent info
11806 for dataflow problems that need to be reset.
11807 * df-core.c (df_set_blocks): Ditto.
11808 * df.h (struct df_problem): Added reset_fun.
11809 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11810 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11811 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11812 functions to clear out all references to def-use or use-def chains.
11814 2006-01-21 Ben Elliston <bje@au.ibm.com>
11816 * varasm.c (assemble_real): Initialise data array.
11818 2006-01-20 Paul Brook <paul@codesourcery.com>
11820 Merge from csl-arm-branch.
11821 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11822 * config/arm/arm.md (movdi): Force operands[1] to a register
11823 if we have a non-register source.
11824 (*arm_movdi, *movdf_soft_insn): Require that one of the
11825 operands be a register.
11826 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11827 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11829 2006-01-20 DJ Delorie <dj@redhat.com>
11831 * varasm.c (initializer_constant_valid_p): Allow pointers
11832 initialized from integer constants of lesser precision.
11833 (output_constant): Allow non-int-sized pointer modes to be
11834 initialized from integer constants.
11836 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11838 PR libstdc++/25524
11839 * cppdefault.h (struct default_include): Add multilib flag.
11840 * cppdefault.c (cpp_include_defaults): Set it.
11841 * c.opt (-imultilib): New option.
11842 * c-opts.c (imultilib): New.
11843 (c_common_handle_option): Handle -imultilib.
11844 (c_common_post_options): Likewise.
11845 * c-incpath.c (add_standard_paths, register_include_chains):
11846 Likewise.
11847 * c-incpath.h (register_include_chains): Add extra parameter.
11848 * gcc.c (do_spec_1): Generate -imultilib option.
11849 (The Specs Language): Update %I description.
11850 (process_command): Update copyright notice.
11851 * doc/cppopts.texi (-imultilib): Document.
11852 * doc/invoke.texi (-imultilib): Include in option summary.
11853 (%I): Update specs documentation.
11855 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11857 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11859 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11861 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11862 label numbers.
11864 2006-01-20 Richard Guenther <rguenther@suse.de>
11865 Steven Bosscher <stevenb.gcc@gmail.com>
11867 PR rtl-optimization/24626
11868 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11869 EDGE_TRUE_VALUE if in RTL mode.
11871 Revert
11872 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11873 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11875 2006-01-20 Dirk Mueller <dmueller@suse.com>
11877 PR c++/5520
11878 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11879 instead of a special NOP marker.
11880 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11881 NOP marker handling.
11882 * c-common.h (empty_body_warning): Add forward declaration.
11883 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11884 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11886 2006-01-20 Paul Brook <paul@codesourcery.com>
11888 * Makefile.in (lang_checks): Keep going if mkdir fails.
11890 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11892 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11893 be able to clean out basic block when not necessary.
11894 (df_scan_free): Fixed to properly delete information if df is
11895 unused before calling df_finish.
11896 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11897 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11898 or comment typos.
11899 (df_bb_refs_delete): New function.
11900 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11901 * df-core.c (df_set_blocks): Added code to properly clean out
11902 unused blocks if they are not part of the blocks to consider.
11903 Added additional null check.
11904 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11905 be able to clean out basic block when not necessary
11906 * df.h (df_free_bb_function): Ditto.
11907 (df_bb_refs_delete): New function.
11908 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11909 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11910 basic block parameter to be able to clean out basic block when not
11911 necessary.
11912 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11913 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11914 Fixed to properly delete information if df is unused before
11915 calling df_finish.
11917 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11919 PR rtl-optimization/25799
11920 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11921 Corrected confluence operator to remove bits from op2 before oring
11922 with op1 rather than removing bits from op1.
11923 (df_ru_transfer_function): Corrected test on wrong bitmap which
11924 caused infinite loop. Both of these problems were introduced in
11925 the dataflow rewrite.
11927 2006-01-19 DJ Delorie <dj@redhat.com>
11929 * reload1.c (find_reload_regs): Note the details of reload
11930 failures in the dump file.
11931 (spill_failure): Likewise.
11933 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11935 * loop-iv.c: Include df.h and hashtab.h.
11936 (enum iv_grd_result): New enum.
11937 (DF_REF_IV, DF_REF_IV_SET): New macros.
11938 (struct biv_entry): New.
11939 (df, bivs): New global variables.
11940 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11941 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11942 Removed.
11943 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11944 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11945 analyzed_for_bivness_p, record_biv): New functions.
11946 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11947 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11948 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11949 UD chains.
11950 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11951 analysed.
11952 (iv_number_of_iterations): Use new interface to iv analysis.
11953 * loop-unroll.c: Do not include varray.h.
11954 (analyze_iv_to_split_insn): Use new interface to iv
11955 analysis.
11956 * loop-unswitch.c (may_unswitch_on): Ditto.
11957 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11958 allocated.
11959 (df_bb_modify): Realloc tables to the new index.
11960 (df_find_use): New function.
11961 * df.h (df_find_use): Declare.
11962 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11963 outmode.
11964 * cfgloop.h (struct rtx_iv): Remove analysed field.
11965 (iv_get_reaching_def): Removed.
11966 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11967 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11968 (loop-iv.o): Add df.h and hashtab.h dependency.
11969 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11971 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11973 PR target/25668
11974 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11975 Double TFmode.
11976 (__floatundisf, __floatundidf): Likewise.
11977 * libgcc2.h (IS_IBM_EXTENDED): Define.
11979 2006-01-19 DJ Delorie <dj@redhat.com>
11981 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11983 2006-01-19 Paul Brook <paul@codesourcery.com>
11985 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11986 as nothrow when unwinding tables are disabled.
11988 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11990 PR testsuite/25171
11991 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11992 of bit-field" when in system header.
11994 2006-01-19 DJ Delorie <dj@redhat.com>
11996 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11997 the 16 bit shift limit of the m16c.
11999 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12001 PR target/22099
12002 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12003 * config/i386/i386.c (output_set_got): Output the label if we have one
12004 for the TARGET_DEEP_BRANCH_PREDICTION case.
12006 2006-01-19 Jan Hubicka <jh@suse.cz>
12007 H.J. Lu <hongjiu.lu@intel.com>
12008 Evandro Menezes <evandro.menezes@amd.com>
12010 * invoke.texi (generic): Document
12011 (i686) Update.
12012 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12013 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12014 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12015 (x86_use_incdec, x86_pad_returns): New variables
12016 (TARGET_CPU_DEFAULT_generic): New constant
12017 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12018 (enum processor_type): Add generic32 and generic64.
12019 * i386.md (cpu attribute): Add generic32/generic64
12020 (movhi splitter): Behave sanely when both partial_reg_dependency and
12021 partial_reg_stall are set.
12022 (K8 splitters): Enable for generic as well.
12023 * predicates.md (incdec_operand): Use TARGET_INCDEC
12024 (aligned_operand): Avoid memory mismatch stalls.
12025 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12026 * ppro.md: Enable for generic32
12027 * i386.c (generic64_cost, generic32_cost): New.
12028 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12029 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12030 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12031 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12032 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12033 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12034 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12035 x86_accumulate_outgoing_args, x86_prologue_using_move,
12036 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12037 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12038 Enable for generic.
12039 (x86_use_incdec, x86_pad_returns): New.
12040 (override_options): Add generic32 and generic64, translate "generic"
12041 to generic32/generic64 and "i686" to "generic32", refuse
12042 "generic32"/"generic64" as arch target.
12043 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12044 (ix86_reorg): Honor PAD_RETURNS.
12046 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12048 * tree-pretty-print.c (dump_generic_node): Handle
12049 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12050 * cgraph.c (cgraph_expand_queue): Rename from
12051 cgraph_analyze_queue. Update all users.
12052 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12053 cgraph_expand_queue.
12054 (cgraph_expand_all_functions): Likewise.
12055 (cgraph_finalize_pending_functions): Remove. Update callers.
12057 * tree.h (OMP_DIRECTIVE_P): Define.
12058 (OMP_PARALLEL_FN): Define.
12059 (OMP_PARALLEL_DATA_ARG): Define.
12060 (OMP_SECTIONS_SECTIONS): Define.
12061 * tree-pass.h (pass_expand_omp): Declare.
12062 * omp-low.c (struct omp_region): Declare.
12063 (struct omp_context): Remove fields 'parallel_type',
12064 'parallel_start_ix' and 'parallel_start_additional_args'.
12065 Update all users.
12066 (struct omp_for_data): Rename from struct expand_omp_for_data.
12067 (omp_regions): New static variable.
12068 (root_omp_region): New static variable.
12069 (find_omp_clause): Make static.
12070 (is_in_combined_parallel_ctx): Remove.
12071 (is_combined_parallel): New.
12072 (extract_omp_for_data): Move earlier in the file.
12073 (workshare_safe_to_combine_p): New.
12074 (get_ws_args_for): New.
12075 (determine_parallel_type): Move earlier in the file.
12076 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12077 child function.
12078 (omp_copy_decl): Likewise.
12079 (create_omp_child_function): Likewise.
12080 (lookup_omp_region): New.
12081 (dump_omp_region): New.
12082 (debug_omp_region): New.
12083 (debug_all_omp_regions): New.
12084 (new_omp_region): New.
12085 (scan_omp_parallel): If parallel_nesting_level > 1, the
12086 directive is nested within another parallel directive.
12087 Set OMP_PARALLEL_FN.
12088 (scan_omp_for): Do not try to handle combined parallel+for
12089 cases.
12090 Remove FIXME comment.
12091 (scan_omp_nested): Remove.
12092 (scan_omp_1): Do not call scan_omp_nested when
12093 parallel_nesting_level is > 1.
12094 Do not change the DECL_CONTEXT of local variables found.
12095 (lookup_decl_in_outer_ctx): New.
12096 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12097 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12098 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12099 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12100 If CTX is nested, lookup VAR in the outer context when
12101 building copy assignment.
12102 (lower_send_clauses): Rename from expand_send_clauses.
12103 If CTX is nested, lookup VAR in the outer context when
12104 building copy assignments.
12105 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12106 If CTX is nested, lookup VAR in the outer context when
12107 building copy assignments.
12108 (expand_parallel_call): Rename from build_parallel_call.
12109 Handle combined parallel+workshare cases.
12110 Re-implement to emit code into the CFG.
12111 (list2chain): New.
12112 (expand_omp_parallel): Re-implement to emit code into the CFG.
12113 Call move_sese_region_to_fn to outline the sub-graph
12114 containing the parallel region.
12115 (expand_omp_for_1): Remove.
12116 (expand_omp_for_generic): Re-implement to emit code into the
12117 CFG.
12118 (expand_omp_for_static_nochunk): Likewise.
12119 (expand_omp_for_static_chunk): Likewise.
12120 (expand_omp_for): Likewise.
12121 (expand_omp_sections): Likewise.
12122 (remove_exit_barriers): New.
12123 (expand_omp_synch): New.
12124 (expand_omp): New.
12125 (build_omp_regions_1): New.
12126 (build_omp_regions): New.
12127 (execute_expand_omp): New.
12128 (gate_expand_omp): New.
12129 (pass_expand_omp): Define.
12130 (lower_omp_sections): Rename from expand_omp_sections.
12131 Set OMP_SECTIONS_SECTIONS.
12132 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12133 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12134 (lower_omp_single): Rename from expand_omp_simple.
12135 (lower_omp_master): Rename from expand_omp_master.
12136 (lower_omp_ordered): Rename from expand_omp_ordered.
12137 (lower_omp_critical): Rename from expand_omp_critical.
12138 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12139 (lower_omp_for): Re-implement.
12140 (lower_omp_parallel): Re-implement.
12141 (lower_regimplify): Rename from expand_regimplify.
12142 (lower_omp_1): Rename from expand_omp_1.
12143 If there are syntax errors in the program, replace every
12144 OpenMP directive with NOP.
12145 Call lower_omp_* instead of expand_omp_*.
12146 (lower_omp): Rename from expand_omp.
12148 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12149 * tree-gimple.h (enum omp_parallel_type): Remove.
12150 (gimple_boolify): Declare extern.
12151 (find_omp_clause, determine_parallel_type): Remove.
12153 * gimple-low.c (lower_omp_directive): New.
12154 (lower_stmt): Call it.
12155 (record_vars_into): Move from ...
12156 (record_vars): ... here.
12157 Call record_vars_into with current_function_decl.
12159 * gimplify.c (struct gimplify_ctx): Remove fields
12160 combined_pre_p and combined_ctxp. Update users.
12161 (get_formal_tmp_var): Add documentation.
12162 (gimple_boolify): Make extern.
12163 (gimplify_expr_in_ctx): Remove. Update callers.
12164 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12165 will always be a BIND_EXPR.
12166 (gimplify_expr): Handle OMP_RETURN_EXPR.
12167 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12168 (OMP_PARALLEL): Add 3 operands.
12169 (OMP_SECTIONS): Add 1 operand.
12170 (OMP_RETURN_EXPR): Define.
12172 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12173 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12174 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12175 creating a circular free list.
12176 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12178 * tree-flow.h (move_sese_region_to_fn): Declare.
12179 (record_vars_into): Declare.
12180 * tree-cfg.c (make_omp_sections_edges): New.
12181 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12182 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12183 OMP_SECTIONS and OMP_SECTION.
12184 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12185 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12186 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12187 (gather_blocks_in_sese_region): New.
12188 (struct move_stmt_d): Declare.
12189 (move_stmt_r): New.
12190 (move_block_to_fn): New.
12191 (move_sese_region_to_fn): New.
12193 * passes.c (init_optimization_passes): Schedule
12194 pass_expand_omp after pass_init_datastructures.
12196 * tree-ssa-operands.c (get_expr_operands): Handle
12197 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12198 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12200 2006-01-19 Jeff Law <law@redhat.com>
12202 * tree-vrp.c (extract_range_from_assert): Refine the result range
12203 if the variable referenced by the ASSERT_EXPR has a range and
12204 either the tentative result range or the previous range is a
12205 VR_ANTI_RANGE.
12207 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12209 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12211 2006-01-19 Jan Hubicka <jh@suse.cz>
12213 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12215 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12217 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12218 (expand_compound_operation, expand_field_assignment): Fail if the
12219 bit lengths of an extract operation are out of range.
12220 (make_extraction): Compute wanted_inner_mode based on the position
12221 and length of the extraction. Make it extraction_mode for non-constant
12222 positions, and do not modify offset in that case. When generating a
12223 new MEM, use a mode that can hold the extraction while keeping correct
12224 alignment. Remove code that supported MEMs wrapped by USEs.
12225 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12227 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12229 * config/s390/s390.md ("Y", "y"): New mode attribute.
12230 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12231 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12232 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12233 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12234 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12235 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12236 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12237 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12238 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12239 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12240 "addsi3", "subsi3"): Insn patterns removed.
12241 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12242 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12243 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12244 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12245 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12246 "*sub<mode>3_cconly2"): New insn patterns.
12247 ("addsi3", "subsi3"): New expanders.
12249 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12251 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12252 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12253 existing STMT_VINFO_VECTYPE if available.
12254 (vect_mark_relevant): Add special handling for stmts that are
12255 marked as STMT_VINFO_IN_PATTERN_P.
12256 (vect_analyze_loop): Call vect_pattern_recog.
12257 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12258 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12259 stmt_info.
12260 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12261 (vect_recog_func_ptr): New function-pointer type.
12262 * tree-vect-patterns.c: New file.
12263 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12264 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12265 (vect_pattern_recog_1): New functions.
12266 (vect_pattern_recog_funcs): New array of function pointers.
12268 * tree-vectorizer.h (ternary_op): New enum value.
12269 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12270 declaration. Revised documentation. Removed redundant dump prints.
12271 Removed redundant argument. Added support for reduction patterns.
12272 (vectorizable_reduction): Added support for reduction patterns.
12273 (vect_transform_stmt): Added support for patterns.
12275 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12276 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12277 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12278 (expand_widen_pattern_expr): New function.
12279 (init_optabs): Initialize new optabs udot_prod_optab,
12280 sdot_prod_optab.
12281 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12282 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12283 (expand_widen_pattern_expr): New function declaration.
12284 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12285 tree-codes.
12286 * tree-inline.c (estimate_num_insns_1): Added cases for new
12287 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12288 * tree-pretty-print.c (dump_generic_node): Likewise.
12289 (op_prio): Likewise.
12290 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12291 * tree-ssa-operands.c (get_expr_operands): Added case for
12292 DOT_PROD_EXPR.
12293 * tree-vect-patterns.c (widened_name_p): New function.
12294 (vect_recog_dot_prod_pattern): Added function implementation.
12295 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12296 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12297 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12298 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12300 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12301 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12302 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12303 (init_optabs): Initialize new optabs widen_ssum_optab,
12304 widen_usum_optab.
12305 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12306 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12307 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12308 use instead of type of def.
12309 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12310 function implementation.
12311 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12312 widen_ssumv8hi): New.
12314 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12315 patterns.
12317 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12319 PR c/25805
12320 * c-decl.c (add_flexible_array_elts_to_size): New function.
12321 (finish_decl): Use it.
12323 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12325 * diagnostic.h: Include options.h.
12326 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12327 dependancies for diagnostic.h.
12328 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12330 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12332 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12333 (ssa_ro_call_cache_valid): Ditto.
12334 * tree-ssa-alias.c (sort_tags_by_id): New function.
12335 (init_transitive_clobber_worklist): Ditto.
12336 (add_to_worklist): Ditto.
12337 (mark_aliases_call_clobbered): Ditto.
12338 (compute_tag_properties): Ditto.
12339 (set_initial_properties): Ditto.
12340 (compute_call_clobbered): Ditto.
12341 (compute_may_aliases): Call compute_call_clobbered and grouping.
12342 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12343 (compute_flow_insensitive_aliasing): Grouping now happens in our
12344 caller.
12345 (setup_pointers_and_addressables): Remove clobbering related code.
12346 (add_may_alias): Ditto.
12347 (replace_may_alias): Ditto.
12348 (get_nmt_for): Ditto.
12349 (create_global_var):
12350 (is_escape_site): Return an escape_type enumeration.
12351 * tree-flow-inline.h (is_call_clobbered): Global var does not
12352 imply call clobbered.
12353 (mark_call_clobbered): Take a reason for marking this. Remove
12354 marking of globalness, and cache invalidation.
12355 (clear_call_clobbered): Remove cache invalidation code.
12356 * tree-dfa.c (dump_variable): If details is on, dump the reason
12357 for escaping.
12358 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12359 variable.
12360 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12361 (struct var_ann_d): Ditto.
12362 (enum escape_type): New.
12363 (mark_call_clobbered): Adjust prototype.
12364 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12365 are never call clobbered.
12366 Record reasons for escaping.
12367 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12368 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12369 (ssa_ro_call_cache_valid): Ditto.
12370 (clobbered_v_may_defs): Ditto.
12371 (clobbered_vuses): Ditto.
12372 (ro_call_vuses): Ditto.
12373 (clobber_stats): New.
12374 (init_ssa_operands): Zero out clobber stats.
12375 (fini_ssa_operands): Print out clobber stats.
12376 (get_call_expr_operands): Pass callee fndecl to
12377 add_call_read_ops).
12378 (add_call_clobber_ops): Remove use of cache.
12379 Add use of PURE_CONST information.
12380 (add_call_read_ops): Remove use of cache.
12381 Add use of static not_read information.
12383 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12385 Introduce TLS descriptors for i386 and x86_64.
12386 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12387 (TARGET_ANY_GNU_TLS): New macro.
12388 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12389 (struct machine_function): Add tls_descriptor_call_expanded_p.
12390 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12391 (ix86_current_function_calls_tls_descriptor): Likewise.
12392 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12393 (override_options): Introduce gnu2 tls dialect.
12394 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12395 not leaves.
12396 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12397 Likewise.
12398 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12399 (ix86_init_machine_status): Initialize new field.
12400 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12401 (ix86_tls_module_base): New.
12402 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12403 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12404 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12405 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12406 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12407 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12408 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12409 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12410 * config/i386/predicates.md (tls_modbase_operand): New.
12411 (tp_or_register_operand): New.
12413 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12415 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12416 (look_for_address_of): Ditto.
12417 (ipa_init): Walk the function decls.
12418 (static_execute): Don't set readonly on FUNCTION_DECL's.
12420 2006-01-18 Roger Sayle <roger@eyesopen.com>
12422 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12423 for shifts where the source and destination registers are different.
12425 2006-01-18 Paul Brook <paul@codesourcery.com>
12427 Merge from csl-arm-branch.
12428 2005-03-14 Julian Brown <julian@codesourcery.com>
12429 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12430 (aeabi_llsl): Likewise.
12431 (ashrdi3): Likewise.
12432 (aeabi_lasr): Likewise.
12433 (lshrdi3): Likewise.
12434 (aeabi_llsr): Likewise.
12435 2005-03-10 Julian Brown <julian@codesourcery.com>
12436 * config.gcc: Disable shared libgcc for SymbianOS.
12437 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12439 2006-01-18 DJ Delorie <dj@redhat.com>
12441 * c-pragma.c (handle_pragma_diagnostic): New.
12442 (init_pragma): Register it.
12443 * doc/extend.texi: Document it.
12445 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12446 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12447 (diagnostic_context): Add classify_diagnostic[].
12448 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12449 as errors if they're overridden to DK_WARNING.
12450 (diagnostic_initialize): Initialize classify_diagnostic[].
12451 (diagnostic_set_kind_override): New.
12452 (diagnostic_report_diagnostic): Check for kind changes.
12453 * opts.c (common_handle_option): Take lang_mask. Update callers.
12454 Handle OPT_Werror_.
12455 * common.opt (Werror=): New.
12456 * doc/invoke.texi: Document -Werror=*
12458 2006-01-18 Jeff Law <law@redhat.com>
12460 * tree-vrp.c (test_for_singularity): Correct test for new
12461 min limit. Use operand_equal_p rather than pointer equality
12462 for testing if new min/max values are equal.
12464 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12465 using range information until after propagation and folding.
12467 2006-01-18 Richard Henderson <rth@redhat.com>
12468 Aldy Hernandez <aldyh@redhat.com>
12469 Jakub Jelinek <jakub@redhat.com>
12470 Diego Novillo <dnovillo@redhat.com>
12472 * omp-low.c: New file.
12473 * c-omp.c: New file.
12475 2006-01-18 Richard Henderson <rth@redhat.com>
12476 Jakub Jelinek <jakub@redhat.com>
12477 Diego Novillo <dnovillo@redhat.com>
12479 * doc/invoke.texi: Document -fopenmp.
12480 * tree-dump.h (debug_function): Declare.
12481 * hooks.c (hook_bool_tree_bool_false): New function.
12482 (hook_tree_tree_null): Remove.
12483 (hook_tree_tree_tree_null): New.
12484 * hooks.h: Update to match.
12485 * tree-pretty-print.c (debug_tree_chain): New.
12486 (print_generic_expr): Handle TDF_CHAIN.
12487 (dump_generic_node): Handle BLOCK.
12488 Do not abort with incomplete SWITCH_EXPRs.
12489 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12490 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12491 print space after directive name.
12492 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12493 Handle OMP_MASTER and OMP_ORDERED.
12494 Handle printing of OMP_BODY just in one place, goto
12495 dump_omp_body in the rest of OMP_* nodes that have
12496 OMP_BODY.
12497 Don't handle clause nodes here. Update omp statements to
12498 use dump_omp_clauses.
12499 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12500 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12501 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12502 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12503 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12504 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12505 Adjust output for GOMP_PARALLEL.
12506 (dump_omp_clauses): New.
12507 (print_declaration): Dump DECL_VALUE_EXPR.
12508 (op_symbol_1): Split out of op_symbol.
12509 (dumping_stmts): Remove. Update all users.
12510 * cgraph.c (cgraph_analyze_queue): New.
12511 (cgraph_add_new_function): New.
12512 * cgraph.h (cgraph_analyze_queue): Declare.
12513 (cgraph_add_new_function): Declare.
12514 (cgraph_lower_function): Remove.
12515 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12516 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12517 and TYPE_P nodes in its default clause.
12518 (empty_body_p): New.
12519 (tree_range_check_failed): New.
12520 (build5_stat): New.
12521 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12522 OMP_CLAUSE_REDUCTION_MERGE,
12523 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12524 OMP_CLAUSE_PRIVATE_DEBUG,
12525 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12526 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12527 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12528 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12529 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12530 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12531 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12532 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12533 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12534 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12535 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12536 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12537 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12538 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12539 (TREE_RANGE_CHECK): New.
12540 (empty_body_p): Declare.
12541 (enum omp_clause_default_kind): New.
12542 (build_string_literal): Declare.
12543 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12544 (build5_stat, build5): Declare.
12545 * tree-pass.h (TDF_CHAIN): Define.
12546 * tree-pass.h (PROP_gimple_lomp): Define.
12547 (pass_lower_omp): Declare.
12548 * diagnostic.h (debug_tree_chain): Declare.
12549 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12550 mode_for_size.
12551 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12552 * builtins.c (build_string_literal): Make extern.
12553 * gcc.c (include_spec_function): New.
12554 (static_spec_functions): Add it.
12555 (main): Move load of libgomp.spec ...
12556 (LINK_COMMAND_SPEC): ... here.
12557 (link_gomp_spec): New.
12558 (static_specs): Include it.
12559 (LINK_COMMAND_SPEC): Add link_gomp.
12560 (GOMP_SELF_SPECS): New.
12561 (driver_self_specs): Include it.
12562 (switch_matches): Don't mark inline.
12563 (main): Load libgomp.spec.
12564 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12565 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12566 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12567 * tree-gimple.h (enum omp_parallel): Declare.
12568 (determine_parallel_type): Declare.
12569 (omp_firstprivatize_variable): Declare.
12570 (omp_reduction_init): Declare.
12571 (diagnose_omp_structured_block_errors): Declare.
12572 (struct walk_stmt_info): Add want_return_expr.
12573 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12574 (find_omp_clause): Declare.
12575 (insert_field_into_struct): Declare.
12576 (struct walk_stmt_info): Move from tree-nested.c
12577 (walk_stmts): Declare.
12578 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12579 to 200505.
12580 * cgraphunit.c (cgraph_lower_function): Make static.
12581 (cgraph_finalize_pending_functions): New.
12582 (cgraph_finalize_function): Call it.
12583 (cgraph_finalize_compilation_unit): Likewise.
12584 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12585 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12586 (BT_FN_UINT_UINT): New.
12587 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12588 DEF_FUNCTION_TYPE_VAR_4): Document.
12589 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12590 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12591 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12592 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12593 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12594 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12595 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12596 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12597 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12598 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12599 into separate files.
12600 (DEF_GOMP_BUILTIN): New.
12601 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12602 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12603 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12604 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12605 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12606 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12607 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12608 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12609 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12610 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12611 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12612 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12613 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12614 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12615 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12616 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12617 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12618 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12619 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12620 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12621 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12622 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12623 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12624 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12625 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12626 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12627 * sync-builtins.def: New file, moved from builtins.def.
12628 * omp-builtins.def: New file, moved from builtins.def.
12629 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12630 * gimple-low.c (lower_function_body): Clear data.
12631 (lower_stmt): Do not handle COMPOUND_EXPR.
12632 Remove call to print_node_brief.
12633 * c-tree.h (c_finish_omp_clauses): New prototype.
12634 (C_DECL_THREADPRIVATE_P): Define.
12635 (lookup_name_no_remap, c_omp_remap_private): Remove
12636 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12637 (check_for_loop_decls): Update decl.
12638 (lookup_name_no_remap, c_omp_remap_private): Declare.
12639 (build_indirect_ref, build_modify_expr, pushdecl,
12640 pushdecl_top_level): Move to c-common.h.
12641 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12642 before the switch, but just in the 2 places that need it.
12643 * c-decl.c (diagnose_mismatched_decls): Do not check for
12644 mismatched thread-local attributes when OLDDECL is marked
12645 threadprivate and NEWDECL has no thread-local attributes.
12646 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12647 (c_gimple_diagnostics_recursively): Rename from
12648 c_warn_unused_result_recursively. Invoke
12649 diagnose_omp_structured_block_errors.
12650 (check_for_loop_decls): Return a singular decl found.
12651 * langhooks.c (lhd_omp_predetermined_sharing): Return
12652 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12653 (lhd_omp_firstprivatize_type_sizes): New.
12654 (lhd_omp_assignment): New.
12655 (lhd_omp_predetermined_sharing): New.
12656 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12657 (struct lang_hooks_for_types): Add
12658 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12659 omp_predetermined_sharing, omp_disregard_value_expr,
12660 omp_private_debug_clause, omp_clause_default_ctor,
12661 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12662 (c_finish_omp_clauses): New.
12663 (c_finish_bc_stmt): Diagnose break within omp for.
12664 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12665 (build_unary_op): Return error_mark after reporting
12666 a readonly_error.
12667 (build_modify_expr): Likewise.
12668 * gimplify.c: Include optabs.h and pointer-set.h.
12669 (enum gimplify_omp_var_data): Declare.
12670 (struct gimplify_omp_ctx): Declare.
12671 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12672 and combined_ctxp.
12673 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12674 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12675 (splay_tree_compare_decl_uid): New.
12676 (new_omp_context): New.
12677 (delete_omp_context): New.
12678 (gimple_add_tmp_var): Call omp_add_variable.
12679 (gimplify_bind_expr): Likewise.
12680 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12681 true, disregard DECL_VALUE_EXPR on the decl if any.
12682 (gimplify_expr_in_ctx): New.
12683 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12684 omp_add_variable, omp_notice_variable, omp_is_private
12685 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12686 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12687 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12688 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12689 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12690 gimplify_omp_atomic): New.
12691 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12692 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12693 OMP_CRITICAL and OMP_ATOMIC.
12694 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12695 * c-pragma.h (enum pragma_kind): Add
12696 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12697 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12698 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12699 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12700 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12701 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12702 PRAGMA_OMP_THREADPRIVATE.
12703 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12704 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12705 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12706 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12707 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12708 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12709 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12710 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12711 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12712 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12713 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12714 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12715 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12716 OpenMP directives.
12717 (struct nesting_info): Add field_map,
12718 suppress_expansion, debug_var_chain.
12719 (create_nesting_tree): Initialize them.
12720 (lookup_field_for_decl): Use field_map.
12721 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12722 (convert_local_omp_clauses): New.
12723 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12724 (walk_body): Split out of walk_function.
12725 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12726 (convert_nonlocal_reference): Handle omp statements.
12727 (convert_local_reference): Likewise.
12728 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12729 (unnest_nesting_tree): New.
12730 (lower_nested_functions): Call it.
12731 (insert_field_into_struct): Make extern.
12732 (struct walk_stmt_info): Move to tree-gimple.h.
12733 (walk_stmts): Make extern.
12734 * omp-builtins.def: New file.
12735 * tree-iterator.c (expr_only): Clarify comment.
12736 * c-common.h (pushdecl_top_level, pushdecl,
12737 build_modify_expr, build_indirect_ref,
12738 c_finish_omp_master, c_finish_omp_critical,
12739 c_finish_omp_ordered, c_finish_omp_barrier,
12740 c_finish_omp_atomic, c_finish_omp_flush,
12741 c_finish_omp_for, c_split_parallel_clauses,
12742 omp_clause_default_kind, c_omp_sharing_predetermined,
12743 c_omp_remap_decl): Declare.
12744 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12745 (OBJS-common): Add omp-low.o.
12746 (c-omp.o, omp-low.o): Add.
12747 (gimplify.o): Add dependency on $(OPTABS_H).
12748 (GTFILES): Add omp-low.c.
12749 (gt-stringpool.h): Add.
12750 * tree-cfg.c (set_bb_for_stmt): Do not update the
12751 block-to-labels map if we are currently expanding to RTL.
12752 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12753 checks.
12754 Handle IDENTIFIER_NODE.
12755 (tree_verify_flow_info): Do not ICE when emitting error
12756 messages about invalid labels.
12757 (dump_function_to_file): Reset CFUN before emitting the body
12758 of the function.
12759 (debug_function): New.
12760 * passes.c (init_optimization_passes): Schedule
12761 pass_lower_omp.
12762 * langhooks-def.h (lhd_omp_predetermined_sharing,
12763 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12764 Declare.
12765 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12766 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12767 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12768 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12769 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12770 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12771 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12772 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12773 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12774 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12775 (LANG_HOOK_DECLS): Use them.
12777 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12778 Richard Henderson <rth@redhat.com>
12779 Jakub Jelinek <jakub@redhat.com>
12780 Diego Novillo <dnovillo@redhat.com>
12782 * c-parser.c (pragma_omp_clause): Define.
12783 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12784 (c_parser_compound_statement): Likewise.
12785 (c_parser_statement): Likewise.
12786 (c_parser_pragma): Handle omp pragmas.
12787 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12788 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12789 (c_parser_omp_clause_name, check_no_duplicate_clause,
12790 c_parser_omp_variable_list,
12791 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12792 c_parser_omp_clause_copyprivate,
12793 c_parser_omp_clause_default,
12794 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12795 c_parser_omp_clause_lastprivate,
12796 c_parser_omp_clause_nowait,
12797 c_parser_omp_clause_num_threads,
12798 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12799 c_parser_omp_clause_reduction,
12800 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12801 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12802 c_parser_omp_atomic, c_parser_omp_barrier,
12803 c_parser_omp_critical, c_parser_omp_flush,
12804 c_parser_omp_for_loop, c_parser_omp_for,
12805 c_parser_omp_master, c_parser_omp_ordered,
12806 c_parser_omp_sections_scope, c_parser_omp_sections,
12807 c_parser_omp_parallel, c_parser_omp_single,
12808 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12809 * c-pragma.c (init_pragma): Do omp pragma registration here.
12810 * c.opt (fopenmp): New flag.
12812 2006-01-18 Eric Christopher <echristo@apple.com>
12814 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12815 * config/darwin.h (GOMP_SELF_SPECS): Define.
12817 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12819 * rtl.h: Remove the prototype for reg_alloc.
12821 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12823 PR target/25731
12824 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12825 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12826 sjlj and dwarf2 exception handling.
12827 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12828 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12829 * pa/pa.c (function_value): Treat complex and vector types as
12830 aggregates.
12831 (function_arg): Likewise. Only pass scalar floats in the floating
12832 point argument registers.
12833 * pa/t-slibgcc-dwarf-ver: New file.
12834 * pa/t-slibgcc-sjlj-ver: New file.
12835 * pa/t-slibgcc-elf-ver: Delete file.
12837 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12839 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12840 unlikely_test_section_p test.
12842 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12844 * mode-switching.c (optimize_mode_switching): Make it static.
12845 * basic-block.h: Remove the prototype for
12846 optimize_mode_switching.
12848 * modulo-sched.c (sms_schedule): Make it static.
12849 * rtl.h: Remove the prototype for sms_schedule.
12851 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12852 * rtl.h: Remove the prototype for gcse_after_reload_main.
12854 * reg-stack.c (reg_to_stack): Make it static.
12855 * rtl.h: Remove the prototype for reg_to_stack.
12857 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12858 Make them static.
12859 * rtl.h: Remove the prototypes for regrename_optimize and
12860 copyprop_hardreg_forward.
12862 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12864 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12865 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12866 Test against the appropriate null constant for the mode.
12867 If 'fixup_overlap' is true, swap the operands if they overlap.
12868 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12869 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12870 alpha_split_tmode_pair and adjust for above change.
12871 * config/alpha/alpha.md (movtf_internal): Adjust call to
12872 alpha_split_tfmode_pair and rely on it to swap the operands.
12873 (movti_internal): New insn and post-reload splitter.
12874 (movti): New expander.
12876 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12878 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12879 operands.
12881 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12883 * rtlanal.c (global_reg_mentioned_p_1,
12884 global_reg_mentioned_p): Remove.
12885 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12887 * flow.c (initialize_uninitialized_subregs): Make it static.
12888 * rtl.h: Remove the prototype for
12889 initialize_uninitialized_subregs.
12891 * function.c (instantiate_virtual_regs): Make it static.
12892 * function.h: Remove the prototype for
12893 instantiate_virtual_regs.
12895 * regmove.c (regmove_optimize, combine_stack_adjustments):
12896 Make them static.
12897 * rtl.h: Remove the prototypes for regmove_optimize and
12898 combine_stack_adjustments.
12900 2006-01-17 Roger Sayle <roger@eyesopen.com>
12902 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12903 (size_cost): Encode costs in bytes so that a reg-reg addition is
12904 equivalent to COSTS_N_INSNS(1).
12905 (override_options): Use the size_cost.branch_cost as the default
12906 ix86_branch_cost when optimizing for size.
12908 2006-01-18 Ben Elliston <bje@au.ibm.com>
12910 * Makefile.in (D32PBIT_FUNCS): New.
12911 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12912 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12913 D64PBIT_FUNCS and D128PBIT_FUNCS.
12914 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12915 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12916 D128PBIT are set.
12917 (decnumber_dep): Define.
12918 * doc/libgcc.texi (Decimal float library routines): New node.
12919 * config/dfp-bit.h, config/dfp-bit.c: New files.
12921 2006-01-18 Ben Elliston <bje@au.ibm.com>
12923 * expr.c (emit_move_change_mode): Always adjust addresses, not
12924 just during reload. Copy replacements only during reload.
12925 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12926 emit_move_via_integer.
12928 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12930 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12931 instead of $(srcdir) and ${srcdir}.
12933 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12935 PR target/592
12936 PR middle-end/11135
12937 * arm.h (struct machine_function): Add pic_reg.
12938 * arm.c (arm_pic_register): Make unsigned.
12939 (arm_override_options): Only set arm_pic_register if
12940 TARGET_SINGLE_PIC_BASE.
12941 (use_return_insn): Only test for a pic register if it is fixed.
12942 (arm_compute_save_reg0_reg12_mask): Likewise.
12943 (thumb_compute_save_reg_mask): Likewise.
12944 (legitimate_pic_operand): Factor out some known invariants.
12945 (legitimize_pic_address): If we don't have a fixed pic register,
12946 then set up a pseudo in the function entry sequence. Handle the
12947 pic base being in a pseudo.
12948 (arm_load_pic_register): Handle the pic register being in a pseudo.
12949 (arm_expand_prologue): Only set up the pic register if it is fixed.
12950 (thumb_expand_prologue): Likewise.
12951 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12952 (pic_load_addr_based_insn): Likewise.
12953 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12954 fixed.
12956 2006-01-18 Ben Elliston <bje@au.ibm.com>
12958 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12959 decimal float modes for all floating point registers.
12961 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12962 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12964 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12966 PR c/25682
12967 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12968 even when the pointer is not NULL.
12970 2006-01-16 Ian Lance Taylor <ian@airs.com>
12972 * common.opt (ftoplevel-reorder): New option.
12973 * cgraph.c (cgraph_asm_nodes): New global variable.
12974 (cgraph_asm_last_node): New static variable.
12975 (cgraph_order): New global variable.
12976 (cgraph_create_node): Set new order field.
12977 (cgraph_varpool_node): Likewise.
12978 (decide_is_variable_needed): Return true if not
12979 flag_toplevel_reorder.
12980 (cgraph_add_asm_node): New function.
12981 * cgraph.h (struct cgraph_node): Add order field.
12982 (struct cgraph_varpool_node): Add order field.
12983 (struct cgraph_asm_node): Define.
12984 (cgraph_asm_nodes, cgraph_order): Declare.
12985 (cgraph_add_asm_node): Declare.
12986 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12987 function.
12988 (cgraph_varpool_assemble_pending_decls): Call it.
12989 (cgraph_output_pending_asms): New static function.
12990 (cgraph_finalize_compilation_unit): Call it.
12991 (struct cgraph_order_sort): Define.
12992 (cgraph_output_in_order): New static function.
12993 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12994 !flag_toplevel_reorder case.
12995 * c-parser.c: Include "cgraph.h".
12996 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12997 assemble_asm.
12998 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12999 than -fno-unit-at-a-time.
13000 * doc/invoke.texi (Option Summary): Mention
13001 -fno-toplevel-reorder.
13002 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13003 -funit-at-a-time documentation.
13005 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13006 Kazu Hirata <kazu@codesourcery.com>
13008 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13010 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13012 * Makefile.in (FUNCTION_H): New. Use it instead of
13013 function.h throughout the file.
13014 * function.h: Include tree.h.
13016 2006-01-17 Ben Elliston <bje@au.ibm.com>
13018 * recog.c: Separate some functions with whitespace.
13020 2006-01-16 Richard Henderson <rth@redhat.com>
13022 Merge from gomp branch:
13023 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13024 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13025 and rename from struct inline_data. Rename callee* to dst*;
13026 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13027 transform_new_cfg, transform_return_to_modify, and
13028 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13029 update_clones_p.
13030 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13031 (copy_decl_for_dup): Remove.
13032 * tree-inline.c (struct inline_data): Move to header.
13033 (insert_decl_map): Export.
13034 (remap_decl): Update for member name changes. Use copy_decl hook.
13035 Allow for replacement to be a non-decl. Remove dead code.
13036 (remap_type_1): Check for existing mapping.
13037 (remap_type): Export.
13038 (remap_decls): Update for member name changes.
13039 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13040 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13041 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13042 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13043 (tree_function_versioning, build_duplicate_type): Likewise.
13044 (copy_body_r): Likewise. Export.
13045 (copy_decl_for_dup): Split into ...
13046 (copy_decl_for_dup_finish, copy_decl_to_var,
13047 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13048 (replace_ref_tree, inlining_p): Remove.
13050 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13052 * ifcvt.c (if_convert): Make it static.
13053 * rtl.h: Remove the prototype for if_convert.
13055 * local-alloc.c (local_alloc): Make it static.
13056 * rtl.h: Remove the prototype for local_alloc.
13058 * loop.c (loop_optimize): Make it static.
13059 * cfgloop.h: Remove the prototype for loop_optimize.
13060 * rtl.h: Likewise.
13062 2006-01-16 DJ Delorie <dj@redhat.com>
13064 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13065 mems.
13067 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13069 * pa.md: Disparage copies between general and floating-point registers
13070 in 32-bit move patterns.
13072 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13074 PR testsuite/25741
13075 * Makefile.in (check-%): Depend on site.exp instead of
13076 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13077 directories.
13079 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13081 * global.c (global_alloc): Make it static.
13082 * rtl.h: Remove the prototype for global_alloc.
13084 2006-01-16 Richard Guenther <rguenther@suse.de>
13086 * tree-ssa-alias.c (struct used_part): Add write_only field.
13087 (get_or_create_used_part_for): Initialize it to true.
13088 (create_overlap_variables_for): Don't create structure variables
13089 for structures that only are written to.
13090 (find_used_portions): Handle MODIFY_EXPR to track whether a
13091 structure is only written to.
13093 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13095 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13096 static.
13097 * basic-block.h: Remove the prototype for
13098 partition_hot_cold_basic_blocks.
13100 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13102 * cppspec.c (lang_specific_spec_functions): Remove.
13103 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13104 * gcc.h (lang_specific_spec_functions): Remove.
13105 * gccspec.c (lang_specific_spec_functions): Remove.
13107 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13109 * combine.c (record_value_for_reg): Invalidate registers
13110 if INSN is null.
13111 (record_dead_and_set_regs_1): Likewise, by passing them to
13112 record_value_for_reg.
13113 (record_dead_and_set_regs): Invalidate stores made by a
13114 call. We do not combine across a call, but we still
13115 relied on equivalences.
13117 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13119 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13120 vrp_int_const_binop returning non-constant nodes.
13122 2006-01-16 Paul Brook <paul@codesourcery.com>
13124 * config/m68k/m68k.c (output_move_const_into_data_reg):
13125 Output correct mnemonic for mvz and mvs.
13127 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13129 * rtl-factoring.c: Add sequence abstraction algorithm.
13130 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13131 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13132 ABNORMAL edges.
13133 (block_has_preserve_label): New function.
13134 * common.opt: Register new pass.
13135 * Makefile.in: Ditto.
13136 * passes.c: Ditto.
13137 * timevar.def: Ditto.
13138 * tree-pass.h: Ditto.
13139 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13140 * rtl.h (make_jump_insn_raw): Add forward decl.
13141 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13143 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13144 Roger Sayle <roger@eyesopen.com>
13146 * fold-const.c (fold_minmax): New static function.
13147 (fold_binary) <MIN_EXPR>: Call it.
13148 <MAX_EXPR>: Likewise.
13149 * stor-layout.c (place_field): Use DECL_SIZE consistently
13150 in the computation of the new record size.
13152 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13154 * cse.c (cse_condition_code_reg): Make it static.
13155 * rtl.h: Remove the prototype for cse_condition_code_reg.
13157 * combine.c (combine_instructions): Make it static.
13158 * rtl.h: Remove the prototype for combine_instructions.
13160 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13162 PR target/25168
13163 * tree.c (get_file_function_name_long): Concatenate the first global
13164 object name with a string derived from the input filename of the object
13165 for type "F".
13167 2006-01-16 Ben Elliston <bje@au.ibm.com>
13169 * config/i386/winnt-stubs.c: Update FSF address.
13170 * config/xtensa/ieee754-df.S: Ditto.
13171 * config/xtensa/ieee754-sf.S: Ditto.
13173 2006-01-14 Ian Lance Taylor <ian@airs.com>
13175 * ifcvt.c (noce_init_if_info): New static function, broken out of
13176 noce_process_if_block.
13177 (noce_process_if_block): Call noce_init_if_info.
13178 (check_cond_move_block): New static function.
13179 (cond_move_process_if_block): New static function.
13180 (process_if_block): Call cond_move_process_if_block.
13182 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13184 * cselib.c (hash_table): Rename to cselib_hash_table.
13185 (cselib_clear_table, discard_useless_values,
13186 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13187 cselib_init, cselib_finish): Adjust uses of hash_table.
13189 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13191 PR tree-optimization/25485
13192 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13193 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13194 is known to be false and true, respectively.
13196 2006-01-14 Richard Guenther <rguenther@suse.de>
13198 PR tree-optimization/22548
13199 PR tree-optimization/22555
13200 PR tree-optimization/22501
13201 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13202 * params.def (salias-max-array-elements): New parameter.
13203 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13204 * doc/invoke.texi (salias-max-array-elements): Document.
13205 * tree-flow-inline.h (var_can_have_subvars): We also handle
13206 arrays now.
13207 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13208 COMPONENT_REF.
13209 * tree-ssa-structalias.c (params.h): Include.
13210 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13211 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13212 (get_constraint_for): For ADDR_EXPR operating on something
13213 containing an ARRAY_REF, add all subvars to the solution.
13214 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13215 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13216 for creating MUST_DEFs.
13217 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13219 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13221 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13222 functions.
13223 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13224 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13225 number_of_iterations_le): New functions.
13226 (number_of_iterations_special): Removed.
13227 (number_of_iterations_exit): Do not use number_of_iterations_special.
13228 * tree.c (unsigned_type_for): Always return integer type.
13230 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13231 Richard Guenther <rguenther@suse.de>
13233 PR rtl-optimization/24257
13234 * gcse.c (find_moveable_store): Only consider a store movable
13235 when the SET_SRC of the insn can be assigned to a register.
13237 2006-01-14 Ian Lance Taylor <ian@airs.com>
13239 * tree.c (tree_not_class_check_failed): New function.
13240 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13241 (tree_not_class_check_failed): Declare.
13243 2006-01-13 Ian Lance Taylor <ian@airs.com>
13245 * reload1.c (do_output_reload): Add assertion rejecting a
13246 CALL_INSN.
13248 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13250 * combine.c (struct reg_stat): Add new fields truncation_label and
13251 truncated_to_mode.
13252 (record_value_for_reg): Reset truncated_to_mode.
13253 (record_truncated_value): New function.
13254 (check_promoted_subreg): Call it. Rename to check_conversions.
13255 (combine_instructions): Rename check_promoted_subreg to
13256 check_conversions.
13257 (reg_truncated_to_mode): New function.
13258 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13259 (gen_lowpart_or_truncate): New function.
13260 (force_to_mode): Use it instead of gen_lowpart.
13262 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13264 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13265 VAR is a tag, not its type tag.
13267 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13269 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13270 alternatives to match style of other entries.
13271 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13273 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13275 PR tree-optimization/25771
13276 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13277 SSA_NAMES.
13279 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13281 PR tree-opt/24365
13282 * tree-inline.c (declare_return_variable): If the return variable
13283 was marked as a non gimple complex, set the return slot variable
13284 to be a non gimple comple variable.
13286 2006-01-13 Richard Guenther <rguenther@suse.de>
13288 * builtins.c (expand_builtin_sincos): New function.
13289 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13290 do not set errno.
13291 (expand_builtin): Expand sincos using expand_builtin_sincos.
13293 2006-01-12 DJ Delorie <dj@redhat.com>
13295 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13296 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13297 so that constant shifts can be split.
13298 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13299 (m32c_valid_pointer_mode): Make static.
13300 (shift_gen_func_for): New.
13301 (m32c_prepare_shift): Use it. Split large const shifts into
13302 multiple shifts.
13303 * config/m32c/predicates.md (shiftcount_operand): Allow more
13304 general operands.
13305 (longshiftcount_operand): New.
13306 * doc/md.texi (Machine Constraints): Document In6.
13308 2006-01-13 Ben Elliston <bje@au.ibm.com>
13310 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13311 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13312 documentation.
13314 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13316 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13317 to try to avoid clobbering pieces of structures when we know
13318 something about the whole structure.
13319 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13321 2006-01-13 Ben Elliston <bje@au.ibm.com>
13323 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13324 return in memory, as this is no limitation is no longer present.
13326 2006-01-12 DJ Delorie <dj@redhat.com>
13328 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13329 mova with fb, and for fb+0 -> An.
13331 * config/m32c/mov.md (peephole2): Fix enabling logic.
13333 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13334 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13335 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13336 FINI_ARRAY_SECTION_ASM_OP): Define.
13338 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13339 variable.
13340 (m32c_legitimize_reload_address): New logic to reload FB to An.
13341 (m32c_output_reg_push): Add newline.
13342 (m32c_output_reg_pop): Likewise.
13344 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13346 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13348 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13350 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13352 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13354 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13355 match_code.
13357 2006-01-11 Ben Elliston <bje@au.ibm.com>
13359 * rtlanal.c (find_reg_note): Assert insn is not null.
13361 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13363 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13364 ifdef.
13366 2006-01-11 Jeff Law <law@redhat.com>
13368 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13369 hold edge pairs.
13370 (mark_threaded_blocks, register_jump_thread): New functions.
13371 (thread_through_all_blocks): Remove unwanted argument. No
13372 longer rely on e->aux to communicate thread target info.
13373 Call mark_threaded_blocks. Release the threaded_blocks
13374 bitmap and threaded_edges vector when complete.
13375 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13376 (threaded_blocks): Remove.
13377 (tree_ssa_dominator_optimize): Remove initialization and
13378 finalization of threaded_blocks. Simplify call to
13379 thread_through_all_blocks.
13380 (thread_across_edge): Call register_jump_thread rather than
13381 storing thread information into e->aux.
13382 (free_all_edge_infos): Simplify now that e->aux is no longer
13383 used to communicate with thread_through_all_blocks.
13384 * tree-flow.h (thread_through_all_blocks): Update prototype.
13385 (register_jump_thread): Prototype.
13387 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13389 * df-core.c (df_compact_blocks, df_bb_replace): Use
13390 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13392 2006-01-11 Richard Guenther <rguenther@suse.de>
13394 PR tree-optimization/25734
13395 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13396 stop propagation after successful propagation to the LHS.
13398 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13400 * basic-block.h (control_flow_graph): Change the type of
13401 x_basic_block_info to VEC(basic_block,gc) *.
13402 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13403 basic_block_info.
13404 (SET_BASIC_BLOCK): New.
13405 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13406 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13407 * cfgbuild.c (find_basic_blocks): Likewise.
13408 * cfglayout.c (fixup_reorder_chain): Likewise.
13409 * cfgrtl.c (create_basic_block_structure,
13410 rtl_create_basic_block): Likewise.
13411 * ifcvt.c (find_if_case_1): Likewise.
13412 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13413 Likewise.
13415 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13417 * Makefile.in: Removed rotted odf.c entry.
13419 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13421 PR target/25706
13422 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13423 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13424 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13425 output pattern modifier, not %e.
13426 * config/cris/cris.c (cris_op_str): Update comment about pattern
13427 modifier.
13428 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13429 before falling through into...
13430 <case 'E'>: Redefined from old 'e' case.
13432 2006-01-11 Jan Hubicka <jh@suse.cz>
13434 PR target/25042
13435 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13437 2006-01-11 Jan Hubicka <jh@suse.cz>
13439 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13440 * i386.c (x86_decompose_lea): Kill.
13441 (ix86_rtx_costs): Kill.
13443 2006-01-11 Jan Hubicka <jh@suse.cz>
13445 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13446 * cgraph.h (cgraph_node): Add inline_decl.
13447 (cgraph_insert_node_to_hashtable): Declare.
13448 (save_inline_function_body): Declare.
13449 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13450 clones.
13451 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13452 (cgraph_function_versioning): Update call of tree_function_versioning.
13453 (save_inline_function_body): New function.
13454 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13455 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13456 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13457 (cgraph_default_inline_p): Likewise.
13458 (cgraph_decide_inlining_incrementally): Likewise.
13459 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13460 (copy_bb): Kill saving; do updating of clones.
13461 (copy_cfg_body): Kill saving.
13462 (initialize_inlined-parameters): Likewise.
13463 (expand_call_inline): Likewise.
13464 (save_body): Kill.
13465 (tree_function_versioning): New parameter "update_clones".
13466 (inlining_p): Kill saving.
13467 * tree-inline.h (tree_function_versioning): Update prototype.
13468 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13469 saving.
13471 2006-01-11 Ian Lance Taylor <ian@airs.com>
13473 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13474 Allow undoing set of machine mode.
13475 (do_SUBST): Use enums instead of is_int.
13476 (do_SUBST_MODE): New function.
13477 (SUBST_MODE): New macro.
13478 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13479 reg and trying to replace reg_regno_rtx with a new register.
13480 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13481 (simplify_set): Use SUBST_MODE.
13482 (distribute_notes): Remove code that tried to update reg notes
13483 for regno_reg_rtx changes.
13485 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13487 PR tree-optimization/23109
13488 PR tree-optimization/23948
13489 PR tree-optimization/24123
13491 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13492 * tree-cfg.c (single_noncomplex_succ): New.
13493 * tree-flow.h (single_noncomplex_succ): Declare it.
13494 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13495 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13496 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13497 insert_bb, register_division_in, insert_reciprocals,
13498 replace_reciprocal, free_bb): New.
13499 (execute_cse_reciprocals_1): Rewritten.
13500 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13501 Do not commit any edge insertion. Always compute dominators and
13502 create the allocation pool.
13503 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13504 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13505 * targhooks.c (default_min_divistions_for_recip_mul): New.
13506 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13507 * passes.c (init_optimization_passes): Run recip after tree loop
13508 optimizations.
13509 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13511 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13512 Kenneth Zadeck <zadeck@naturalbridge.com>
13514 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13515 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13516 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13517 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13518 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13519 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13520 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13521 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13522 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13523 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13524 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13525 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13526 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13527 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13528 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13529 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13530 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13531 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13532 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13533 DF_SCAN_POST_ALLOC): New macros.
13534 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13535 df_free_bb_function, df_local_compute_function, df_init_function,
13536 df_dataflow_function, df_confluence_function_0,
13537 df_confluence_function_n, df_transfer_function,
13538 df_finalizer_function, df_free_function, df_dump_problem_function,
13539 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13540 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13541 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13542 df_urec_bb_info, ) New types.
13543 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13544 variables.
13545 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13546 df_analyze_simple_change_some_blocks,
13547 df_analyze_simple_change_one_block, df_compact_blocks,
13548 df_bb_replace, df_bb_regno_last_use_find,
13549 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13550 df_insn_regno_def_p, df_find_def, df_find_use,
13551 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13552 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13553 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13554 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13555 debug_df_chain, df_get_dependent_problem, df_chain_create,
13556 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13557 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13558 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13559 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13560 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13561 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13562 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13563 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13564 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13565 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13566 df_reorganize_refs, df_set_state, df_hard_reg_init,
13567 df_read_modify_subreg_p) New public functions.
13568 * df-core.c: The core dataflow solver and glue routines for rtl
13569 dataflow.
13570 (df_init, df_add_problem, df_set_blocks, df_finish,
13571 df_hybrid_search_forward, df_hybrid_search_backward,
13572 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13573 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13574 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13575 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13576 df_reg_defined, df_find_use, df_reg_used, df_dump,
13577 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13578 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13579 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13580 debug_df_useno, reset_df_after_reload): New functions.
13581 * df-scan.c: The scanning fuctions, once in df.c, completely
13582 rewritten so that they now fully model the functionality of
13583 register usage at the backend.
13584 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13585 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13586 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13587 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13588 df_get_artificial_defs, df_get_artificial_uses,
13589 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13590 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13591 df_refs_delete, df_reorganize_refs, df_set_state,
13592 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13593 df_def_record_1, df_defs_record, df_uses_record,
13594 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13595 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13596 df_record_exit_block_uses, df_hard_reg_init): New functions.
13598 * df-problems.c: Seven concrete dataflow problems that use the
13599 scanning in df-scan.c and are solved by the engine in df-core.c.
13600 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13601 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13602 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13603 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13604 df_ru_free_bb_info, df_ru_alloc,
13605 df_ru_bb_local_compute_process_def,
13606 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13607 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13608 df_ru_transfer_function, df_ru_free, df_ru_dump,
13609 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13610 df_rd_free_bb_info, df_rd_alloc,
13611 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13612 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13613 df_rd_transfer_function, df_rd_free, df_rd_dump,
13614 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13615 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13616 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13617 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13618 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13619 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13620 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13621 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13622 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13623 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13624 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13625 df_urec_mark_reg_use_for_earlyclobber,
13626 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13627 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13628 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13629 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13630 df_chain_create_bb_process_use, df_chain_create_bb,
13631 df_chain_finalize, df_chain_free, df_chains_dump,
13632 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13633 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13634 df_reg_lifetime): New functions.
13635 * df.c: Deleted file.
13636 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13637 consistent with new df api.
13638 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13639 rest_of_handle_sms): Ditto.
13640 * web.c (unionfind_union, union_defs, entry_register, web_main):
13641 Ditto.
13642 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13643 invariant_expr_equal_p, find_defs, check_dependencies,
13644 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13645 free_inv_motion_data, move_loop_invariants): Ditto.
13646 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13647 Update dependencies.
13648 (odf.c): Added defective entry that was deleted later in day.
13649 * sched-deps.c (sched_analyze_1): Ditto.
13651 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13653 * tree-ssa-operands.c (get_expr_operands): Record addressable
13654 variables directly. Do not call add_stmt_operands for CONST_DECLs
13655 and ARRAY_DECLs.
13656 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13657 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13659 2006-01-11 Ben Elliston <bje@au.ibm.com>
13661 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13662 function returns true in the positive case.
13664 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13666 PR target/20754
13667 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13668 for SI, DI, SF and DF modes. Add alternatives to copy between
13669 general and floating point registers to the 32-bit patterns.
13670 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13671 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13672 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13673 generating 64-bit code.
13674 * config/pa/pa.c (output_move_double): Handle copies between general
13675 and floating registers.
13677 2006-01-10 Stuart Hastings <stuart@apple.com>
13679 * config/i386/i386.md (set_got): Update.
13680 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13681 (builtin_setjmp_receiver): Mach-O support.
13682 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13683 (GOT_SYMBOL_NAME): Define.
13684 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13685 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13686 * config/i386/i386.c (override_options): Revise for Darwin.
13687 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13688 support. (darwin_x86_file_end): New. (output_set_got): Add label
13689 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13690 * config/i386/i386-protos.h (output_set_got): Likewise.
13691 * config/darwin.c (machopic_legitimize_pic_address): Update
13692 regs_ever_live[].
13694 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13696 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13697 when MODE isn't BLKmode.
13699 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13701 PR rtl-optimization/25367
13702 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13704 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13706 PR target/25718
13707 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13708 for a negative bound.
13710 2006-01-10 Richard Guenther <rguenther@suse.de>
13712 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13713 Never override with anything constraint.
13715 2006-01-10 Jan Beulich <jbeulich@novell.com>
13717 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13718 256 bits when optimize_size.
13720 2006-01-10 Jan Beulich <jbeulich@novell.com>
13722 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13723 MASK_ALIGN_DOUBLE.
13724 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13725 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13726 arguments.
13728 2006-01-10 Ben Elliston <bje@au.ibm.com>
13730 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13731 float modes.
13732 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13733 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13734 (USE_FP_FOR_ARG): Reject decimal float modes.
13735 (function_arg_advance): Likewise.
13736 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13737 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13738 point types in AltiVec vectors.
13739 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13740 (rs6000_libcall_value): Likewise.
13742 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13744 * config/xtensa/ieee754-df.S: New file.
13745 * config/xtensa/ieee754-sf.S: New file.
13746 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13747 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13748 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13750 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13752 * config/sh/predicates.md (binary_float_operator,
13753 binary_logical_operator, commutative_float_operator,
13754 equality_comparison_operator, greater_comparison_operator,
13755 less_comparison_operator, logical_operator,
13756 noncommutative_float_operator, shift_operator,
13757 symbol_ref_operand, unary_float_operator): Remove redundant
13758 conditionals.
13760 2006-01-09 Jeff Law <law@redhat.com>
13762 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13763 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13764 now unused arguments. Callers updated.
13765 (eliminate_redundant_computations): Remove now unused arguments,
13766 callers updated.
13767 (local_fold): Remove, no longer used.
13768 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13769 and moved to...
13770 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13771 (simplify_cond): New function.
13772 (forward_propagate_into_cond): Call simplify_cond.
13774 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13776 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13777 (*vec_extractv2di_1_sse): New.
13779 2006-01-09 Ben Elliston <bje@au.ibm.com>
13781 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13783 2006-01-08 Richard Guenther <rguenther@suse.de>
13785 * tree-ssa-structalias.c (get_constraint_for): Remove
13786 anyoffset argument.
13787 (get_constraint_for_component_ref): Likewise.
13788 (do_deref): Likewise.
13789 (get_constraint_for): Likewise.
13790 (do_structure_copy): Likewise.
13791 (handle_ptr_arith): Likewise.
13792 (find_func_aliases): Likewise. Remove unused need_anyoffset
13793 variable.
13795 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13796 Kaz Kojima <kkojima@gcc.gnu.org>
13798 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13799 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13800 (EXTRA_CONSTRAINT_C16): Remove.
13801 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13802 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13803 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13804 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13805 constants of SHmedia. Handle nested constant expressions of
13806 SHmedia correctly.
13807 (andcosts): Fix the costs for SHmedia constants.
13808 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13809 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13810 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13811 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13812 (movv4hi_i, movv2si_i): Likewise.
13813 (movsi_const): Adjust the second operand of ior so to match with
13814 the Csu constraint.
13815 (movdi_const, movdi_const_32bit): Likewise.
13816 (movdi_const_16bit+1): Don't sign-extend LOW.
13817 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13818 step.
13819 (*double_shori): Fix the split condition. Use GEN_INT instead
13820 of get_int_mode calls. Mask lower 16-bit of the argument of
13821 the last GEN_INT.
13822 (sym2GOTPLT): Remove.
13823 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13824 gen_rtx_UNSPEC.
13825 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13826 instead of EXTRA_CONSTRAINT_C16.
13828 2006-01-07 Ian Lance Taylor <ian@airs.com>
13829 David Edelsohn <edelsohn@gnu.org>
13831 PR rtl-optimization/25662
13832 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13833 for constant operands instead of simplify_gen_binary.
13834 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13835 after trying simplify_binary_operation
13837 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13839 * tree.c (iterative_hash_expr): Hash decls based on UID.
13841 2006-01-06 Eric Christopher <echristo@apple.com>
13843 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13844 (TARGET_UNWIND_EMIT): Fix spelling.
13845 * target.h (gcc_target): Add except_table_label.
13846 * except.c (output_function_exception_table): Use.
13847 * varasm.c (default_emit_except_table_label): New.
13848 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13849 define.
13850 (asm_out): Add here.
13851 * output.h (default_emit_except_table_label): Prototype.
13852 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13853 * config/darwin.c (darwin_emit_except_table_label): Define.
13854 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13856 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13858 PR tree-optimization/18527
13859 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13860 number_of_iterations_special, number_of_iterations_exit):
13861 Move base and step of an iv to a single structure. Add
13862 no_overflow flag, and use it in # of iterations analysis.
13863 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13864 folded_casts argument.
13865 (simple_iv): Pass base and step in a structure. Set no_overflow
13866 flag.
13867 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13868 Evaluate expensiveness of computing # of iterations instead of
13869 the final expression.
13870 * tree-scalar-evolution.h (affine_iv): New structure.
13871 (simple_iv): Declaration changed.
13872 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13873 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13874 find_givs_in_stmt): Changed due to simple_iv change.
13876 2006-01-06 Jeff Law <law@redhat.com>
13878 PR ada/24994
13879 * tree-cfg.c (bsi_replace): Rename final argument from
13880 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13881 change (stmt -> orig_stmt).
13882 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13883 (bsi_remove): Add new argument. Remove EH information
13884 if requested.
13885 (verify_eh_throw_table_statements): New function.
13886 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13887 updated.
13888 * tree-optimize.c (execute_free_cfg_annotations): Verify
13889 the EH throw statement table after removing annotations.
13890 * except.h (verify_eh_throw_table_statements): Prototype.
13891 * tree-flow.h (bsi_remove): Update prototype.
13892 * tree-vrp.c (remove_range_assertions): Add new argument to
13893 bsi_remove call.
13894 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13895 * tree-complex.c (expand_complex_div_wide): Likewise.
13896 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13897 * tree-tailcall.c (eliminate_tailcall): Likewise.
13898 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13899 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13900 * tree-nrv.c (tree_nrv): Likewise.
13901 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13902 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13903 (combine_blocks): Likewise.
13904 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13905 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13906 (cleanup_control_flow): Likewise.
13907 (remove_forwarder_block): Likewise.
13908 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13909 * tree-sra.c (sra_replace): Likewise.
13910 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13911 (forward_propagate_single_use_vars): Likewise.
13912 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13913 * tree-inline.c (expand_call_inline): Likewise.
13914 * tree-vect-transform.c (vect_transform_loop): Likewise.
13915 * tree-outof-ssa.c (rewrite_trees): Likewise.
13916 * tree-cfg.c (make_goto_expr_edges): Likewise.
13917 (cleanup_dead_labels): Likewise.
13918 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13919 (bsi_move_before, bsi_move_after): Likewise.
13920 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13921 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13923 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13925 PR tree-opt/25528
13926 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13927 and IMAGPART_EXPR.
13928 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13929 on non gimple variables. Also add checks at the top for decls and
13930 mtags.
13931 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13932 complex types.
13933 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13934 and IMAGPART_EXPR for creating MUST_DEFs.
13935 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13936 and NAME_MEMORY_TAG separately from the DECLs.
13938 2006-01-06 Richard Guenther <rguenther@suse.de>
13940 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13941 annotation, if necessary.
13942 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13943 redundant calls to update_stmt.
13944 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13945 Likewise.
13947 2006-01-05 Richard Henderson <rth@redhat.com>
13949 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13951 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13953 * c-typeck.c: Update copyright date.
13955 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13957 * c-typeck.c (build_c_cast): Always warn when casting
13958 from a pointer to an integer of different size, even if
13959 the node was constant.
13961 2006-01-05 Richard Guenther <rguenther@suse.de>
13963 PR tree-optimization/22555
13964 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13965 if one structure field is an array.
13966 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13967 operands even if we found a subvar, but ignore VOPs in this
13968 case.
13969 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13970 for renaming.
13971 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13973 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13975 PR middle-end/24998
13976 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13978 2006-01-05 Richard Guenther <rguenther@suse.de>
13979 Diego Novillo <dnovillo@redhat.com>
13981 * tree-pass.h (TODO_remove_unused_locals): Define.
13982 * gimple-low.c (expand_var_p, remove_useless_vars,
13983 pass_remove_useless_vars): Remove. Update all users.
13984 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13985 (remove_unused_locals): New function.
13986 * tree-flow.h (remove_unused_locals): Declare.
13987 * passes.c (execute_todo): Call remove_unused_locals if
13988 TODO_remove_unused_locals is set.
13989 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13990 * tree-ssa-dce.c (pass_dce): Likewise.
13991 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13993 2006-01-05 Richard Guenther <rguenther@suse.de>
13995 * tree-flow.h (struct fieldoff): Decompose field to
13996 type, size and decl.
13997 * tree-ssa-alias.c (create_sft): Take type as parameter.
13998 (create_overlap_variables_for): Store type, size and decl
13999 in the fieldoff structure.
14000 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14001 of struct fieldoff.
14002 (push_fields_onto_fieldstack): Likewise.
14003 (create_variable_info_for): Likewise. Use offset for the
14004 SFT name if the decl is not available.
14006 2006-01-04 Paul Brook <paul@codesourcery.com>
14008 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14010 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14012 * lambda-code.c (can_put_in_inner_loop): Relax
14013 restrictions.
14014 (can_put_after_inner_loop): New function.
14015 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14016 (perfect_nestify): Change to make copies and modify uses.
14018 2006-01-04 Richard Henderson <rth@redhat.com>
14020 Merge from gomp branch:
14021 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14022 via integer constant.
14023 (pragma_lex): Remove.
14024 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14025 rather than parsing it.
14026 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14027 handle_pragma_extern_prefix): Add %< %> quotes.
14028 (registered_pragmas): New.
14029 (c_register_pragma_1): New.
14030 (c_register_pragma): Use it.
14031 (c_register_pragma_with_expansion): Likewise.
14032 (c_invoke_pragma_handler): New.
14033 (init_pragma): Use cpp_register_deferred_pragma directly for
14034 pch_preprocess.
14035 * c-pragma.h (enum pragma_kind): New.
14036 (pragma_handler): New.
14037 (c_invoke_pragma_handler): Declare.
14038 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14039 CPP_PRAGMA_EOL.
14040 * c-common.h (c_common_pch_pragma): Update decl.
14041 * Makefile.in (c-parser.o): Update dependencies.
14042 (GTFILES): Add c-pragma.h.
14043 * c-parser.c (struct c_token): Add pragma_kind.
14044 (struct c_parser): Add in_pragma.
14045 (c_lex_one_token): Always initialize keyword and pragma_kind.
14046 Extract data for CPP_PRAGMA.
14047 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14048 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14049 Don't allow CPP_PRAGMA_EOL if in_pragma.
14050 (c_parser_consume_pragma): New.
14051 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14052 (c_parser_skip_to_end_of_parameter): Likewise.
14053 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14054 (c_parser_skip_to_pragma_eol): New.
14055 (c_parser_external_declaration): Handle CPP_PRAGMA.
14056 (c_parser_compound_statement_nostart): Likewise.
14057 (c_parser_statement_after_labels): Likewise.
14058 (c_parser_pragma): New.
14059 (pragma_lex): Likewise.
14060 (c_parser_pragma_pch_preprocess): New.
14061 (c_parser_new): Merge into ...
14062 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14064 2006-01-04 Jeff Law <law@redhat.com>
14066 PR ada/24994
14067 * tree-cfg.c (bsi_replace): Remove the original statement
14068 from the EH throw statement table.
14070 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14072 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14073 make the prototype extern "C" and add throw ().
14075 PR target/25554
14076 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14077 and pos non-negative and pos + len <= 32.
14078 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14079 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14080 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14082 PR c/25559
14083 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14084 as well as sizes not multiple of component size.
14086 PR debug/25562
14087 * function.c (instantiate_expr): New function.
14088 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14089 walk its DECL_VALUE_EXPR with instantiate_expr.
14091 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14092 DW_OP_deref{,_size} if address isn't going to be added.
14094 2006-01-04 Ben Elliston <bje@au.ibm.com>
14096 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14097 * config/fp-bit.c: Likewise.
14099 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14101 * dominance.c: Add comment about why we use DFS numbering
14102 of dominance tree.
14104 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14105 Richard Henderson <rth@redhat.com>
14107 Merge from gomp-branch:
14108 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14109 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14111 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14113 PR rtl-optimization/25578
14114 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14115 pass a parameter to simplify_shift_const if changing ASHIFTRT
14116 to LSHIFTRT.
14118 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14120 * builtins.c (get_builtin_sync_mem): New function.
14121 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14122 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14123 Call get_builtin_sync_mem to generate mem rtx.
14125 2006-01-03 Richard Guenther <rguenther@suse.de>
14127 PR c/25183
14128 * stmt.c (add_case_node): Make sure to clear overflow flags
14129 from ranges.
14131 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14133 Merge from gomp-branch.
14134 * config/sparc/sync.md: New file.
14135 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14136 UNSPECV_LDSTUB): New constants.
14137 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14138 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14139 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14140 prototype.
14142 2006-01-03 Roger Sayle <roger@eyesopen.com>
14144 * combine.c (reg_subword_p): New predicate to test whether the
14145 destination of a set refers to a subword/piece of a register.
14146 (try_combine): Generalize the code to merge the setting of a
14147 pseudo to a constant followed by a set of a subword of that
14148 register to a constant.
14150 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14152 * basic-block.h (control_flow_graph): Change the type of
14153 x_label_to_block_map to VEC(basic_block,gc) *.
14154 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14155 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14157 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14158 VEC(basic_block,heap) *.
14159 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14160 ssa_prop_fini): Adjust the uses of cfg_blocks.
14162 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14164 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14165 COMPONENT_REFs.
14166 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14167 hashing trees instead of a pointer hash.
14168 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14169 compare for MEM_EXPR.
14171 PR rtl-optimization/25130
14172 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14173 when comparing MEMs for GCSE
14175 2006-01-03 Ben Elliston <bje@au.ibm.com>
14177 * targhooks.h (default_decimal_float_supported_p): Declare.
14178 * targhooks.c (default_decimal_float_supported_p): Define.
14179 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14180 `default_decimal_float_supported_p'.
14181 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14183 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14185 * combine.c (apply_distributive_law <SUBREG>): Check
14186 TRULY_NOOP_TRUNCATION.
14188 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14190 * dwarf2out.c (have_switched_text_section): Delete.
14191 (have_multiple_function_sections): New.
14192 (have_location_lists): Make 'bool'.
14193 (add_AT_loc_list): Use 'true' not '1'.
14194 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14195 (output_loc_list): Use have_multiple_function_sections.
14196 (output_ranges): Likewise.
14197 (dwarf2out_begin_function): Set have_multiple_function_sections if
14198 necessary.
14199 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14200 Check function_section rather than DECL_SECTION_NAME.
14201 (dwarf2out_finish): Use have_multiple_function_sections.
14202 Don't clear have_location_lists.
14204 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14205 Jan Hubicka <jh@suse.cz>
14207 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14208 case of conditional jump jumping to the next instruction.
14209 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14210 cases of conditional jump jumping to the next instruction.
14212 2006-01-02 Jan Hubicka <jh@suse.cz>
14214 * i386.c (*_cost): Add COSTS_N_INSNS.
14215 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14217 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14219 PR target/25259
14220 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14222 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14224 * config/arm/arm.c (all_fpus): Fix comment typo.
14225 * config/darwin.c: Likewise.
14226 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14227 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14228 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14230 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14232 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14233 (rs6000_split_compare_and_swapqhi): New.
14234 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14235 (sync_compare_and_swapqhi_internal): New.
14236 * config/rs6000/rs6000-protos.h: Declare.