1 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3 * config/xtensa/xtensa.c (function_arg_boundary): New.
4 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9 2006-08-26 Jakub Jelinek <jakub@redhat.com>
12 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
15 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
18 (verify_local_live_at_start): Likewise.
20 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
23 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
24 omp_add_variable): Treat sizes as variable whenever not
27 2006-08-26 Richard Guenther <rguenther@suse.de>
30 * fold-const.c (fold_binary): Fold temporary to correct
31 type before constructing new comparison.
33 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
36 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
37 variable again if DECL_SEEN_IN_BIND_EXPR_P.
39 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
42 * c-decl.c (start_function): Don't try to process prototype
43 information from old declaration that isn't a function.
45 2006-08-25 Jan Hubicka <jh@suse.cz>
48 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
50 2006-08-25 Alan Modra <amodra@bigpond.net.au>
53 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
56 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
58 PR tree-optimization/16876
59 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
60 exit if PARM doesn't match VALUE.
62 2006-08-25 Bob Wilson <bob.wilson@acm.org>
64 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
65 literal_prefix directive.
66 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
67 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
68 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
70 2006-08-25 David Edelsohn <edelsohn@gnu.org>
73 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
74 predicate to general_operand. Add 0->y and I->r alternatives.
76 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
78 * doc/tm.texi: Fix a typo.
79 * predict.c: Fix comment typos.
81 2006-08-25 Nick Clifton <nickc@redhat.com>
83 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
84 assertions of "cpu" and "machine".
86 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
89 * tree-ssa-operands.c (access_can_touch_variable): Don't say
90 the access through a base which has an alias set of 0 cannot
93 2006-08-24 Bill Wendling <wendling@apple.com>
95 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
97 2006-08-24 Jan Hubicka <jh@suse.cz>
99 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
101 2006-08-24 Jan Hubicka <jh@suse.cz>
104 * cgraph.c: Fix comments.
105 (cgraph_varpool_mark_needed_node): Mark only variables not already
107 * cgraphunit.c: Update comments; include gt-cgraphunit.h
108 (cgraph_varpool_assembled_nodes_queue): New static variable.
109 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
110 (cgraph_varpool_output_debug_info): New function.
111 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
112 * Makefile.in: Add gt-cgraphunit.h
114 2006-08-24 Jan Hubicka <jh@suse.cz>
116 * predict.c (probability_reliable_p): New predicate.
117 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
118 (predict_loops): Do not predict loop exit with less than 2%
120 * basic-block.h (edge_probability_reliable_p,
121 br_prob_note_reliable_p): Declare.
122 * ia64.h (ia64_print_operand): Do not disable on-chip branch
123 prediction when static predictor is not reliable.
124 * rs6000.c (output_cbranch): Likewise.
126 2006-08-23 Stuart Hastings <stuart@apple.com>
129 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
130 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
132 2006-08-21 Geoffrey Keating <geoffk@apple.com>
135 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
136 complex values, nor for generic vector values.
138 2006-08-22 Richard Guenther <rguenther@suse.de>
141 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
142 parameter. Convert arguments to arithmetic expression to the
144 (analyze_scalar_evolution_1): Adjust caller.
146 2006-08-22 Jan Hubicka <jh@suse.cz>
148 Patch by Paolo Bonzini
149 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
152 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
154 PR tree-optimization/28003
155 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
156 before grouping aliases.
158 2006-08-22 Roger Sayle <roger@eyesopen.com>
160 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
161 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
163 2006-08-21 Jason Merrill <jason@redhat.com>
166 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
167 wrapper. Loop to handle nested wrappers.
168 (gimplify_bind_expr): Remove temp parameter.
169 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
170 and STATEMENT_LIST on the rhs.
171 (gimplify_statement_list): Voidify the STATEMENT_LIST.
172 (gimplify_expr): Pass pre_p to gimplify_statement_list.
173 (gimplify_target_expr): Remove special BIND_EXPR handling.
175 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
177 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
180 2006-08-21 Olivier Hainque <hainque@adacore.com>
182 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
183 Arrange for the temporary captures of components overlapping the lhs
184 to happen before the lhs is possibly cleared.
186 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
188 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
189 necessary places to pass the correct "number of registers" values
192 2006-08-20 Jan Hubicka <jh@suse.cz>
194 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
195 (create_name_tags): Instead of quadratic checking use hashtable.
196 * bitmap.h: Include hashtab.h.
197 (bitmap_hash): Declare.
198 * bitmap.c (bitmap_hash): New function.
200 2006-08-20 Jan Hubicka <jh@suse.cz>
202 PR rtl-optimization/28071
203 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
205 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
206 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
207 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
208 cgraph_decide_inlining_incrementally): Update use of
209 cgraph_check_inline_limits.
210 * cgraph.c (edge_hash, edge_eq): New function.
211 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
212 cgraph_edge_remove_caller, cgraph_node_remove_callees,
213 cgraph_remove_node): Maintain call site hash.
214 * cgraph.h (struct cgraph_node): Add call_site_hash.
215 (cgraph_set_call_stmt): New function.
217 2006-08-20 Jan Hubicka <jh@suse.cz>
219 PR rtl-optimization/28071
220 * reload1.c (reg_has_output_reload): Turn into regset.
221 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
222 choose_reload_regs, emit_reload_insns): Update to new
223 reg_has_output_reload.
225 2006-08-20 Jan Hubicka <jh@suse.cz>
228 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
230 * cgraphunit.c (cgraph_analyze_function): Don't do so.
232 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
235 * tree.c (handle_dll_attribute): Return early if not a
236 var or function decl.
238 2006-08-18 Joseph Myers <joseph@codesourcery.com>
241 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
242 alignment of SPE vector types.
244 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
246 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
248 2006-08-17 Jakub Jelinek <jakub@redhat.com>
251 * cgraph.h (struct cgraph_node): Remove externally_visible
253 * cgraphunit.c (process_function_and_variable_attributes): Set
254 local.externally_visible rather than externally_visible.
257 * c-common.c (handle_externally_visible_attribute): First look
258 at TREE_CODE and only if it is function or var decl, check for
259 non-public objects. Don't warn for DECL_EXTERNAL.
260 * cgraphunit.c (process_function_and_variable_attributes): Warn
261 if externally_visible attribute is used on non-public object.
263 2006-08-17 Jan Hubicka <jh@suse.cz>
265 PR tree-optimization/27865
266 * reload1.c (forget_marked_reloads): New function.
267 (forget_old_reloads_1): When data are passed, just mark the registers
269 (reload_as_needed): Use the new mechanizm.
271 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
274 * reload.h (reg_equiv_alt_mem_list): New declaration.
275 * reload1.c (reg_equiv_alt_mem_list): New definition.
276 (reload): Initialize it and release it.
277 (delete_output_reload): Use it.
278 * reload.c (push_reg_equiv_alt_mem): New function.
279 (find_reloads_toplev): Call it.
280 (find_reloads_address, find_reloads_address_1): Likewise.
281 (find_reloads_subreg_address): Likewise.
283 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
285 PR rtl-optimization/28489
286 * sched-ebb.c (begin_schedule_ready): Create basic block
288 (advance_target_bb): Skip empty blocks.
289 * haifa-sched.c (bb_note): Make global.
290 * sched-int.h (bb_note): Add prototype.
292 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
294 PR tree-optimization/27865
295 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
297 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
298 fold_used_pointer, pointer_used_p): New functions.
299 (analyze_scalar_evolution_1): Use fold_used_pointer.
300 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
301 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
304 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
307 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
308 or the INTEGER_CST. Fail on a CALL_EXPR.
309 (fold_offsetof): Pass new argument to fold_offsetof_1.
310 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
311 operand into an INDIRECT_REF.
312 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
314 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
316 PR gcov/profile/26570
317 * value-prof.c (static_values): Removed.
318 (tree_find_values_to_profile): Do not set static_values.
319 (find_values_to_profile): Do not free static_values.
320 * profile.c (instrument_values): Do not free the values.
321 (branch_prob): Free the values.
323 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
325 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
327 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
330 * c-typeck.c (build_component_ref): Combine qualifiers of
331 structure or union and field.
333 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
335 PR rtl-optimization/28071
336 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
337 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
338 * tree-into-ssa.c (struct dom_dfsnum): New.
339 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
341 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
342 compute_global_livein.
343 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
344 in phi nodes in the correct blocks.
346 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
348 PR tree-optimization/28364
349 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
351 (fold_affine_expr): New function.
352 (may_eliminate_iv): Use fold_affine_expr.
354 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
357 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
360 2006-08-16 Mike Stump <mrs@apple.com>
362 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
363 * doc/cppopts.texi (-MD): Likewise.
365 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
368 * c-common.c (handle_weak_attribute): Ignore and warn if
369 not a FUNCTION_ or VAR_DECL.
371 2006-07-15 Mike Stump <mrs@apple.com>
374 * c-parser.c (c_parser_typeof_specifier): Don't use
375 c_finish_expr_stmt, open code desired semantics instead.
377 2006-08-15 Nick Clifton <nickc@redhat.com>
379 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
380 fragment to tmake_file only if threads are enabled.
381 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
382 * config/i386/t-gthr-win32: New file. ... here.
384 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
387 * c-parser.c (c_parser_compound_statement_nostart): Reset
388 parser->error after each statement.
390 2006-08-15 Jakub Jelinek <jakub@redhat.com>
393 * omp-low.c (lower_omp_parallel): Convert t to
394 receiver_decl's type.
395 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
396 source before comparison.
399 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
400 to itype in assignment to oldival2.
402 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
406 * c-typeck.c (build_compound_expr): If the second expression
407 is an error mark, then just return an error mark instead of
408 creating a COMPOUND_EXPR.
410 2006-07-14 Mike Stump <mrs@apple.com>
412 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
414 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
416 * c-decl.c, var-tracking.c: Fix comment typos.
418 2006-08-14 Richard Sandiford <richard@codesourcery.com>
420 PR rtl-optimization/28634
421 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
422 for floating-point modes unless flag_unsafe_math_optimizations.
424 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
425 Andrew Pinski <pinskia@physics.uc.edu>
428 * tree.c (build_array_type): Unify array types with
429 unspecified index_type.
430 * c-decl.c (grokdeclarator): Make sure we do not modify a
431 unified incomplete array type.
432 * c-typeck.c (store_init_value): Create distinct type before
433 filling in the index type in an initializer from a compound
436 * c-decl.c (grokdeclarator): Remove code where we copy the
439 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
441 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
442 into account for TODO_dump_cgraph.
443 (TODO_update_ssa_no_phi): Likewise.
444 (TODO_update_ssa_full_phi): Likewise.
445 (TODO_update_ssa_only_virtuals): Likewise.
446 (TODO_remove_unused_locals): Likewise.
447 (TODO_set_props): Likewise.
448 (TODO_update_stmt_usage): Likewise.
450 2006-08-13 Dirk Mueller <dmueller@suse.de>
452 * c-common.c (strict_aliasing_warning): Fix formatting.
454 2006-08-13 Matthias Klose <doko@debian.org>
456 * doc/invoke.texi: Fix spelling errors.
458 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
460 PR rtl-optimization/23454
461 * reorg.c (relax_delay_slots): Update comment.
463 2006-08-11 Richard Guenther <rguenther@suse.de>
466 * simplify-rtx.c (simplify_const_relational_operation):
467 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
470 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
472 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
473 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
475 2006-08-10 Paul Brook <paul@codesourcery.com>
477 * final.c (final_scan_insn): Clear current_insn_predicate before
478 outputting inline asm.
480 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
482 PR tree-optimization/26197
483 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
484 get_ref_base_and_extent and overlap_subvar to add only relevant
485 subvars as may-aliases.
486 (add_may_alias_for_new_tag): New function, factored out of
488 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
489 with additional argument.
490 * tree-flow.h (new_type_alias): Takes additional argument.
492 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
494 * gcov.c (no_data_file): New flag.
495 (read_count_file): Set it if data file not present. Assume counts
497 (output_lines): Don't name the data file, if there wasn't one.
499 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
501 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
502 (rs6000_generate_compare): Tweak comments.
503 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
505 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
507 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
508 (var_debug_decl): New function.
509 (var_reg_set): Follow debug decl link. Add location even if
510 reg is already known to hold some other variable.
511 (var_mem_set): Follow debug decl link.
512 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
513 decl link. Delete other known locations of the variable part
515 (var_reg_delete, var_mem_delete): Delete other known locations
516 of the variable part if requested.
517 (same_variable_part_p): New function.
518 (add_stores): Select MO_COPY when appropriate.
519 (vt_initialize): Handle it.
520 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
521 known locations for MO_SET and MO_CLOBBER.
522 (find_variable_location_part): New function.
523 (set_variable_part, delete_variable_part): Use it.
524 (clobber_variable_part): New function.
525 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
528 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
530 PR tree-optimization/26969
531 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
532 with an empty list of PHIs.
534 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
538 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
541 2006-08-06 Andreas Schwab <schwab@suse.de>
543 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
544 string. Whitespace and comment fixup.
546 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
549 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
553 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
556 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
558 2006-08-04 Jan Hubicka <jh@suse.cz>
562 * reload.c (push_reload): Patch out the mismatching instruction;
564 (find_reload): Bail out if the instruction was patched out.
566 2006-08-04 Jan Hubicka <jh@suse.cz>
568 PR tree-optimization/24888
569 * tree-inline.c (expand_call_inline): Do not re-record variables.
570 (declare_inline_vars): Add variable to unexpanded_var_list.
572 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
573 Roger Sayle <roger@eyesopen.com>
575 PR rtl-optimization/26244
576 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
577 inner_const are negative or greater than or equal to the bitsize of
578 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
579 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
580 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
581 CONST0_RTX (mode) when the new shift count is greater than or equal to
582 to the bitsize of the object being shifted and XEXP (y, 0) has no side
585 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
587 * tree-cfg.c: Fix a comment typo.
589 2006-08-03 Mark Mitchell <mark@codesourcery.com>
592 * varasm.c (output_constant): Give the front end another chance to
593 expand constants, after stripping NOPs.
595 2006-08-03 Jan Hubicka <jh@suse.cz>
597 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
600 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
602 PR tree-optimization/27770
603 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
604 declaration removed (moved to tree-flow.h).
605 (vect_can_force_dr_alignment_p): Likewise.
606 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
607 (moved from tree-vectorizer.h).
608 (vect_can_force_dr_alignment_p): Likewise.
609 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
610 from outside the vectorizer - in particular from cgraph stage.
611 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
612 the alignment of global arrays when -fsection-anchors is enabled.
613 * cgraphunit.c (cgraph_increase_alignment): New function.
614 (cgraph_optimize): Call cgraph_increase_alignment.
616 2006-08-03 David Edelsohn <edelsohn@gnu.org>
619 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
620 not reload a SPE symbol_ref into a lo_sum address.
622 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
625 * dwarf2out.c (prune_unused_types_prune): Move call to
626 prune_unused_types_update_strings to cover the parent DIE also.
628 2006-08-02 Jan Hubicka <jh@suse.cz>
630 PR gcov/profile/28480
631 * tree-cfg.c (change_bb_for_stmt): New function.
632 (tree_merge_blocks, tree_split_blocks): Use it.
634 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
640 * toplev.c (compile_file): Return early on errorcount or sorrycount.
641 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
642 (cgraph_optimize): Likewise.
644 2006-08-01 Stuart Hastings <stuart@apple.com>
646 * rtl.h (UINTVAL) New.
647 * config/rs6000/rs6000.c (SMALL_INT) Use it.
648 * testsuite/gcc.dg/20060801-1.c: New.
650 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
653 * c-typeck.c (build_external_type): Mark used enum types.
654 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
656 (gen_subprogram_die): Whitespace fix.
658 2006-08-01 Jan Hubicka <jh@suse.cz>
660 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
661 bitmap when not needed.
662 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
665 2006-08-01 Dirk Mueller <dmueller@suse.de>
667 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
669 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
671 * Makefile.in: Revert part of previous patch:
672 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
675 2006-07-30 Eric Christopher <echristo@apple.com>
678 * doc/extend.texi (i386 Variable Attributes): Add anchor.
679 (PowerPC Variable Attributes): New section.
681 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
683 PR target/28126 (partial fix)
684 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
686 2006-07-28 Jan Hubicka <jh@suse.cz>
688 PR rtl-optimization/28071
689 * cfgrtl.c (rtl_delete_block): Free regsets.
690 * flow.c (allocate_bb_life_data): Re-use regsets if available.
692 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
694 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
695 and variables used in dependencies.
697 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
699 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
700 %fs for -mcmodel=kernel.
701 (stack_tls_protect_test_di): Likewise.
703 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
705 * Makefile.in: Use mkinstalldirs.
707 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
710 * opts-common.c (prune_options): Skip joined switches.
712 2006-07-27 Jan Hubicka <jh@suse.cz>
714 PR rtl-optimization/28071
715 * cselib.c (cselib_process_insn): Don't remove useless values too
716 often for very large hashtables.
718 2006-07-27 Jan Hubicka <jh@suse.cz>
720 PR rtl-optimization/28071
721 * global.c (greg_obstack): New obstack.
722 (allocate_bb_info): Use it.
723 (free_bb_info): Likewise.
724 (modify_reg_pav): Likewise.
726 2006-07-27 Roger Sayle <roger@eyesopen.com>
728 * builtins.c (fold_fixed_mathfn): When long and long long are the
729 same size, canonicalize llceil*, llfloor*, llround* and llrint*
730 functions to their lceil*, lfloor*, lround* and lrint* forms.
732 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
735 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
737 (rev_branch_insn): Likewise.
739 2006-07-27 Jan Hubicka <jh@suse.cz>
741 PR rtl-optimization/28071
742 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
743 (reg_set_in_bb, max_reg_computed): New static variables.
744 (regmove_optimize): Free the new array.
745 (fixup_match_1): Update call of reg_is_remote_constant_p.
747 2006-07-26 Jan Hubicka <jh@suse.cz>
749 PR tree-optimization/27882
750 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
752 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
754 (cgraph_analyze_compilation_unit): Likewise.
755 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
756 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
757 (cgraph_early_inlinine): Make order garbage collected.
758 * Makefile.in (gt-ipa-inline): New garbagecollected file.
760 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
762 * dbxout.c (output_types_sort): Add a comment.
763 (output_used_types): Free the VEC.
765 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
767 * function.c (reorder_fix_fragments): Delete.
768 (reorder_blocks): Don't call it.
769 (reorder_blocks_1): Put all subblocks under the origin block.
771 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
773 PR rtl-optimization/27907
774 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
777 2006-07-25 Roger Sayle <roger@eyesopen.com>
780 * convert.c (convert_to_integer): When transforming (T)foo(x) into
781 bar(x) check that bar's result type can represent all the values of T.
783 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
785 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
787 2006-07-25 Nick Clifton <nickc@redhat.com>
789 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
791 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
792 (ggc_pch_count_object): Likewise.
793 (ggc_pch_alloc_object): Likewise.
794 (ggc_pch_write_object): Likewise.
795 (init_ggc): Do not attempt to initialize entries in the
796 size_lookup[] array for objects whose size is greater than than
797 the length of the array.
799 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
801 * dbxout.c (output_used_types_helper): Push queued types
803 (output_types_sort): New.
804 (output_used_types): Collect used types on a VEC and sort them
807 2006-07-24 Richard Guenther <rguenther@suse.de>
810 * cgraph.c (cgraph_remove_node): Do not check if dumps
812 * cgraphunit.c (cgraph_optimize): Likewise.
814 2006-07-24 Jan Hubicka <jh@suse.cz>
816 PR rtl-optimization/28071
817 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
818 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
819 splitting before first stmt.
821 2006-07-24 Jan Hubicka <jh@suse.cz>
823 PR rtl-optimization/28071
824 * ipa-inline.c (update_caller_keys): Remove edges that
825 are no longer inline candidates.
827 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
830 * dbxout.c (output_used_types_helper, output_used_types): New.
831 (dbxout_symbol): Call output_used_types.
833 2006-07-23 Jan Hubicka <jh@suse.cz>
837 * cgraph.c (cgraph_varpool_nodes): Export.
838 (decide_is_variable_needed): Ignored "used" attribute in
840 * cgraph.h (cgraph_varpool_nodes): Declare.
841 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
844 2006-07-23 Roger Sayle <roger@eyesopen.com>
847 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
848 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
849 the __gthrw form of thr_keycreate.
850 (__gthread_key_delete): Silence the unused argument warning.
852 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
855 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
856 Cache the last found '\0' marker to avoid quadratic behavior.
858 2006-07-23 Jan Hubicka <jh@suse.cz>
860 * i386.md (subsi_3_zext): Fix output template.
862 2006-07-21 Mike Stump <mrs@apple.com>
864 * doc/invoke.texi (C++ Dialect Options): Note that
865 -fvisibility-inlines-hidden doesn't affect explicitly
866 instantiationed inline methods.
868 2006-07-20 Roger Sayle <roger@eyesopen.com>
870 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
871 if the target assembler is GNU binutils' gas.
872 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
873 whether to pass GNU gas or native as command line options.
875 2006-07-20 Jason Merrill <jason@redhat.com>
877 * tree.c (remove_attribute): New fn.
878 * tree.h: Declare it.
880 2006-07-20 Paul Brook <paul@codesourcery.com>
883 * cse.c (cse_insn): Add destination addresses to hash table. Check if
884 they are invalidated by this instruction.
886 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
889 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
891 2006-07-20 Eric Christopher <echristo@apple.com>
894 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
896 2006-07-19 Eric Christopher <echristo@apple.com>
898 * config/t-slibgcc-darwin (stmp-lipo): Remove.
899 Rewrite dependencies for libgcc_s.1.dylib.
901 2006-07-19 Jakub Jelinek <jakub@redhat.com>
903 * except.c (duplicate_eh_regions_1): Clear next_peer.
905 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
907 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
908 -mlongcall does not guarantee all calls will be long.
909 * doc/extend.texi (long_call/short_call): Document that longcall
910 does not guarantee a long call will be used.
911 (longcall/shortcall): Likewise.
913 2006-07-18 Roger Sayle <roger@eyesopen.com>
916 * expmed.c (expand_shift): Additionally check that the shift_cost
917 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
918 before implementing a LSHIFT_EXPR as a sequence of additions.
919 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
920 middle-end that DImode shifts need to be synthesized by expand.
922 2006-07-18 Diego Novillo <dnovillo@redhat.com>
925 * tree-ssa-operands.c (access_can_touch_variable): Update
927 Return true if ALIAS is .GLOBAL_VAR.
929 2006-07-18 David Daney <ddaney@avtrex.com>
931 * gcc.c (display_help): Fix typo in help text.
933 2006-07-18 Olivier Hainque <hainque@adacore.com>
935 * tree.h (categorize_ctor_elements): Adjust prototype and add
936 descriptive comment, both in accordance with the interface change
938 * varasm.c (constructor_static_from_elts_p): New function.
939 Whether a constructor node is a valid static constant initializer
940 if all its elements are.
941 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
942 * output.h: Declare it.
943 * expr.c (categorize_ctor_elements_1): Return whether the constructor
944 is a valid constant initializer instead of computing the number of
945 non-constant elements. Use constructor_static_from_elts_p for this
946 purpose. Replace the head comment with an indication that this is a
947 helper for categorize_ctor_elements.
948 (categorize_ctor_elements): Same interface change as for the _1
949 helper. Former head comment from this helper moved here, adjusted to
950 account for the interface changes.
951 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
952 (all_zeros_p): Likewise.
953 * gimplify.c (gimplify_init_constructor): Decide whether we can make
954 static versions of the constructor from the categorize_ctor_elements
955 return value instead of the formerly computed number of non-constant
958 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
960 * configure: Regenerate.
961 * Makefile.in (build_libsubdir): New configure substitution
962 (build_libobjdir): New variable.
963 (BUILD_LIBIBERTY): Use it.
965 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
968 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
970 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
973 * c-common.c (handle_weakref_attribute): Ignore attribute in
974 the same conditions the alias attribute is ignored.
976 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
978 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
979 (dbxout_begin_prologue): Increment scope_labelno.
981 2006-07-17 Richard Henderson <rth@redhat.com>
984 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
987 2006-07-17 Roger Sayle <roger@eyesopen.com>
988 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
990 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
991 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
992 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
993 functions such as sbrk, write, etc.. Add function prototypes.
994 Convert function declarations from K&R to ISO C. Cast pointers
995 to "long" and "unsigned long" instead of "int" and "unsigned int".
996 Convert tokens following #endif into comments.
998 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1000 * invoke.texi: Remove mention of f77; Reformat table for
1001 inline parameter options correctly; mention that -malign-double
1002 is default on x86-64 targets.
1004 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1006 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1007 (convert_affine_scev, chrec_convert_aggressive): Use
1008 avoid_arithmetics_in_type_p. Do not check for the subtypes
1011 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1014 * optabs.c (expand_doubleword_shift): Wrap the call to
1015 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1017 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1020 * optabs.c (expand_binop): Pass next_methods rather than methods
1021 to expand_doubleword_shift.
1023 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1026 * tree.h (dump_addr): Declare.
1027 * print-tree.c (dump_addr): New function.
1028 (print_node_brief, print_node): Use it.
1029 * print-rtl.c (print_rtx): Likewise.
1030 * common.opt (-fdump-noaddr): New option.
1031 * doc/invoke.texi (-fdump-noaddr): Document.
1032 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1033 (ve_info_hash): Likewise.
1035 2006-07-13 Andrew Haley <aph@redhat.com>
1037 PR tree-optimization/19505
1038 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1039 edge leaving this block, make sure that the destination of this
1040 block has only one predecessor.
1042 2006-07-17 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/28238
1045 * tree-inline.c (copy_bb): Check if we produced valid
1046 gimple copying and substituting a stmt. If not, gimplify
1049 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1051 * optabs.c (maybe_encapsulate_block): New function extracted from...
1052 (emit_libcall_block): ...here. Invoke it on the block of insns to
1053 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1054 (emit_no_conflict_block): Likewise.
1056 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1058 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1060 2006-07-15 Roger Sayle <roger@eyesopen.com>
1062 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1063 a new NOP_EXPR case of the switch statement.
1065 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1068 * stor-layout.c (place_field): Take the bit field with
1069 an excessive size into account in the ms-bitfiled case.
1072 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1073 the previous bit field.
1075 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1078 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1080 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1082 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1083 signal frames correctly even when the signal was installed with
1086 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1088 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1089 (dbxout_function_end): Use local label LFBB. Remove hook
1091 (dbxout_source_line): Use local label LFBB.
1092 (dbxout_block): Likewise.
1093 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1094 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1095 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1096 and DBX_OUTPUT_NFUN.
1098 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1100 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1102 2006-07-13 Jan Hubicka <jh@suse.cz>
1104 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1106 * output.h (align_variable): Declare.
1107 * varasm.c (align_variable): Export.
1108 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1109 when basic block changed.
1111 2006-07-13 Nick Clifton <nickc@redhat.com>
1113 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1114 walking the LOG_LINKS chain.
1116 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1118 * doc/invoke.texi (C++ Dialect Options): Explain difference
1119 between -fvisibility-inlines-hidden and setting hidden
1120 visibility explicitly.
1122 2006-07-12 Eric Christopher <echristo@apple.com>
1124 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1125 (stmp-lipo): Depend on libgcc.a.
1127 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1129 * tree.c: Fix a comment typo.
1131 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1133 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1135 (umulhisi3_r): Likewise.
1137 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1140 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1141 x < 19, vs wchar_t support.
1143 2006-07-12 Nick Clifton <nickc@redhat.com>
1145 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1146 instead of -isa=sh4.
1148 2006-07-12 Mike Stump <mrs@apple.com>
1150 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1152 2006-07-10 Eric Christopher <echristo@apple.com>
1154 * config/t-slibgcc-darwin: Rewrite.
1156 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1159 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1162 2006-07-08 Matthias Klose <doko@debian.org>
1164 * doc/sourcebuild.texi: Fix typo.
1166 2006-07-07 Mike Stump <mrs@apple.com>
1168 * toplev.c (process_options): Don't give -ffunction-sections may
1169 affect debugging warning for Mach-O.
1171 2006-07-07 James E Wilson <wilson@specifix.com>
1173 * config/mips/mips.md (cpu): Add sb1a.
1174 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1175 addition to sb1. Adjust comments to clarify SB-1A differences from
1177 (ir_sb1a_load): New. Modify bypasses to use it.
1178 (ir_sb1a_simple_alu): Likewise.
1179 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1180 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1181 (mips_issue_rate): Add PROCESSOR_SB1A.
1182 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1183 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1184 (TARGET_SB1): Add PROCESSOR_SB1A check.
1185 (TUNE_SB1): Likewise.
1187 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1188 * config/mips/mips.c (mips_store_data_bypass_p): New.
1189 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1190 store_data_bypass_p.
1192 2006-07-08 Paul Brook <paul@codesourcery.com>
1195 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1197 2006-07-07 Richard Guenther <rguenther@suse.de>
1200 * tree.h (build_one_cst): Declare.
1201 * tree.c (build_one_cst): New function.
1202 * tree-ssa-math-opts.c (get_constant_one): Remove.
1203 (insert_reciprocals): Use build_one_cst.
1204 * fold-const.c (fold_plusminus_mult): Likewise.
1206 2006-07-07 Roger Sayle <roger@eyesopen.com>
1208 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1209 * cfgloopanal.c (dump_graph): Likewise.
1210 * dojump.c (discard_pending_stack_adjust): Likewise.
1211 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1213 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1214 * function.c (finalize_block_changes): Likewise.
1215 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1216 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1217 * rtl.c (dump_rtx_statistics): Likewise.
1218 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1220 * varray.c (dump_varray_statistics): Likewise.
1221 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1222 decode_decimal64, encode_decimal128, decode_decimal128,
1223 decimal_real_to_decimal): Likewise.
1225 2006-07-07 Richard Guenther <rguenther@suse.de>
1227 PR tree-optimization/28187
1228 * tree-vrp.c (vrp_operand_equal_p): New function.
1229 (vrp_bitmap_equal_p): Likewise.
1230 (update_value_range): Use them to compare old and new
1233 2006-07-06 Roger Sayle <roger@eyesopen.com>
1235 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1236 a default case to switch statement to silence compiler warnings.
1238 2006-07-06 Roger Sayle <roger@eyesopen.com>
1241 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1242 the configured assembler supports the x87's ffreep mnemonic.
1243 * configure: Regenerate.
1244 * config.in: Regenerate.
1246 * config/i386/i386.c (output_387_ffreep): New function.
1247 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1248 (output_387_reg_move): Likewise.
1250 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1252 Port to hosts whose 'sort' and 'tail' implementations
1253 treat operands with leading '+' as file names, as POSIX
1254 has required since 2001. However, make sure the code still
1255 works on pre-POSIX hosts.
1256 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1257 which says you should use "tail -c +N" rather than "tail +Nc".
1258 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1260 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1262 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1265 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1268 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1269 PRE_{INC,DEC} of TFmode.
1271 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1272 Alan Modra <amodra@bigpond.net.au>
1275 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1278 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1281 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1282 Remove duplicate gtu.
1284 2006-07-05 Jason Merrill <jason@redhat.com>
1288 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1289 * c-common.c (handle_packed_attribute): So don't copy it here.
1290 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1292 2006-07-05 Mike Stump <mrs@apple.com>
1294 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1296 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1299 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1301 2006-07-05 Richard Guenther <rguenther@suse.de>
1304 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1305 TARGET_SSE2 targets if using SSE math.
1306 (*absdf2_1): Likewise.
1308 2006-07-05 Richard Guenther <rguenther@suse.de>
1310 PR tree-optimization/28162
1311 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1312 make sure to convert the operands to the correct type.
1314 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1316 PR tree-optimization/28218
1318 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1319 to calculate and free the dominator information.
1321 2006-07-04 Peter O'Gorman <peter@pogma.com>
1323 * mklibgcc.in: chmod 644 before ranlib during install.
1325 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1326 J"orn Rennecke <joern.rennecke@st.com>
1328 * configure.ac (.eh_frame data check): Use diff -b.
1330 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1333 * Makefile.in (BUILD_RTL): Add build/vec.o.
1334 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1335 (build/genextract): Delete.
1336 (build/genautomata): Likewise.
1338 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1341 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1342 128-bit IBM long doubles for ABI_V4.
1344 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1346 * tree.c (range_in_array_bounds_p): New predicate.
1347 * tree.h (range_in_array_bounds_p): Declare it.
1348 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1349 return a less conservative answer.
1350 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1351 and flag 'is_group'.
1352 (IS_ELEMENT_FOR_GROUP): New macro.
1353 (FOR_EACH_ACTUAL_CHILD): Likewise.
1354 (next_child_for_group): New helper function.
1355 (can_completely_scalarize_p): Take into account groups.
1356 (sra_hash_tree): Handle RANGE_EXPR.
1357 (sra_elt_eq): Likewise.
1358 (lookup_element): Be prepared for handling groups.
1359 (is_valid_const_index): Delete.
1360 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1361 instead of is_valid_const_index.
1362 <ARRAY_RANGE_REF>: New case.
1363 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1364 is_valid_const_index.
1365 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1366 (scan_dump): Dump info for groups too.
1367 (decide_instantiation_1): Likewise.
1368 (decide_block_copy): Assert that the element is not a group.
1369 Propagate decision to groups.
1370 (generate_one_element_ref): Handle RANGE_EXPR.
1371 (mark_no_warning): Iterate over actual childs.
1372 (generate_copy_inout): Likewise.
1373 (generate_element_copy): Likewise.
1374 (generate_element_zero): Likewise.
1375 (generate_element_init_1): Likewise.
1376 (dump_sra_elt_name): Handle RANGE_EXPR.
1378 2006-07-03 Roger Sayle <roger@eyesopen.com>
1380 PR tree-optimization/26251
1381 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1382 (thread_block): When optimizing for size refuse to thread jumps
1383 that would require duplication of blocks other than redirection
1386 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1388 * configure.ac: Fix thinko in previous check-in.
1389 * configure: Regenerate.
1391 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1394 * configure.ac (for lang...): Simplify nesting of conditionals.
1395 Test subdir_requires for non-enabled languages. Move processing
1396 of lang_opt_files and lang_tree_fiels below that test.
1397 * configure: Regenerate.
1398 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1400 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1402 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1404 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1406 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1409 2006-06-29 Jason Merrill <jason@redhat.com>
1416 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1417 * c-common.c (c_determine_visibility): Handle it here.
1418 * c-decl.c (finish_decl): Call c_determine_visibility for
1420 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1422 * varasm.c (default_assemble_visibility): Likewise.
1423 * c-common.c (handle_visibility_attribute): Complain about trying
1424 to give visibility to an already defined class, or trying to change
1425 declared visibility. Always attach the attribute.
1430 * attribs.c (decl_attributes): Ignore type-in-place attributes
1431 once the type has been defined.
1433 2006-06-29 Roger Sayle <roger@eyesopen.com>
1436 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1437 to indicate the cpplib has issued an error message for us.
1439 2006-06-29 Asher Langton <langton2@llnl.gov>
1442 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1443 insert a label at the end of an function under Mach-O.
1445 2006-06-29 Eric Christopher <echristo@apple.com>
1446 Evan Cheng <evan.cheng@apple.com>
1448 * predicates.md (vector_all_ones_operand): New.
1449 (nonimmediate_or_sse_const_operand): Ditto.
1450 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1451 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1452 (standard_sse_mode_p): Ditto.
1453 (standard_sse_constant_p): Add case for -1 vector.
1454 (ix86_expand_vector_move): Try to use.
1455 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1456 Call standard_sse_constant_opcode.
1457 (*movv4sf_internal): Ditto.
1458 (*movv2df_internal): Ditto.
1460 2006-06-29 Roger Sayle <roger@eyesopen.com>
1462 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1463 of XEXP to extract the operands of a MATCH_CODE rtx.
1465 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1467 * tree.c (tree_size): Do not waste tail padding in
1468 struct tree_string and make the size be the same as
1469 build_string will generate.
1471 2006-06-28 Jason Merrill <jason@redhat.com>
1474 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1475 may_aliases already in the tag's annotations to the bitmap.
1477 2006-06-28 Roger Sayle <roger@eyesopen.com>
1479 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1481 2006-06-28 Roger Sayle <roger@eyesopen.com>
1483 * genpreds.c (generate_switch_p): New function.
1484 (add_mode_tests): Push the new mode test down inside an AND expr
1485 if this allows the switch-suitable MATCH_CODE to be near the root.
1486 (write_match_code_switch): New function to write a MATCH_CODE as
1488 (write_predicate_stmts): New function to write a predicate RTX
1489 expression as a sequence of statements.
1490 (write_one_predicate_function): Use write_predicate_stmts.
1491 (write_tm_constrs_h): Likewise.
1493 2006-06-26 Fred Fish <fnf@specifix.com>
1495 * config/mips/t-sb1: New file.
1496 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1499 2006-06-26 DJ Delorie <dj@redhat.com>
1501 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1503 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1504 Jayant Sonar <jayants@kpitcummins.com>
1505 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1507 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1508 (subsi3, subsi3_1, subsi3_2): New.
1509 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1510 * config/m32c/mov.md (SI mov peephole): New.
1511 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1512 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1514 2006-06-26 Olivier Hainque <hainque@adacore.com>
1516 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1517 a CALL_EXPR target function declaration.
1519 2006-06-26 Richard Guenther <rguenther@suse.de>
1521 * tree.c (build_string): Do not waste tail padding in
1524 2006-06-26 Richard Guenther <rguenther@suse.de>
1526 * ggc-page.c (init_ggc): Add missing element to size_lookup
1530 2006-06-23 Richard Guenther <rguenther@suse.de>
1532 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1533 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1534 alignment requests instead. Add verification code.
1535 Add struct tree_function_decl and struct tree_binfo size to
1536 extra_order_size_table. Add missing element to size_lookup
1539 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1542 * fold-const.c (const_binop): Be prepared for self returning zero.
1543 Simplify code handling complex values.
1545 2006-06-24 Olivier Hainque <hainque@adacore.com>
1547 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1548 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1551 2006-06-24 Olivier Hainque <hainque@adacore.com>
1553 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1554 ARRAY_REF, so have the callback called for the low bound expression.
1556 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1558 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1559 * c-typeck.c (c_common_type): Disallow operations on decimal float
1560 types and other float types.
1561 * convert.c (convert_to_real): Don't ignore conversions involving
1562 decimal float types.
1564 2006-06-23 Olivier Hainque <hainque@adacore.com>
1566 * tree.c (max_int_size_in_bytes): New function, inspired from
1567 code in function.c:assign_temp.
1568 * tree.h (max_int_size_in_bytes): Declare.
1569 * function.c (assign_temp): Use it.
1570 * gimplify.c (create_tmp_var): Relax the assertions on the type
1571 properties, not mandating constant size any more.
1572 (force_constant_size): New static function.
1573 (gimple_add_tmp_var): Use it, forcing variable size to a
1574 constant upper bound if it is not constant on entry.
1576 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1579 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1580 for initialization and setting of one_only flag to ...
1581 (i386_pe_encode_section_info): ...here.
1582 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1583 Recheck that the symbol has not been defined.
1585 2006-06-23 Richard Guenther <rguenther@suse.de>
1587 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1588 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1589 alignment requests instead. Add verification code.
1590 Add struct tree_function_decl and struct tree_binfo size to
1591 extra_order_size_table. Add missing element to size_lookup
1594 2006-06-22 Roger Sayle <roger@eyesopen.com>
1595 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1598 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1599 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1601 2006-06-23 Ben Elliston <bje@au.ibm.com>
1603 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1604 negate dn -- manipulate it directly.
1606 2006-06-22 Roger Sayle <roger@eyesopen.com>
1607 Steven Bosscher <stevenb.gcc@gmail.com>
1610 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1611 generated by gen_move_insn to add REG_LABEL notes if necessary.
1613 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1615 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1616 (leaf_entry): Remove use of MIN_ESA.
1618 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1620 PR rtl-optimization/28121
1621 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1624 2006-06-21 DJ Delorie <dj@redhat.com>
1626 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1628 (mulhisi3_r): Likewise.
1630 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1633 * coverage.c (coverage_counter_alloc): Leave the index type
1635 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1638 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1640 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1641 section from the "Options for Code Generation Conventions".
1643 2006-06-21 Richard Henderson <rth@redhat.com>
1647 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1649 (global_symbolic_operand): Allow weak symbols, even if local_p.
1651 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1653 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1654 (find_interesting_uses_address): Punt if above function returns true.
1656 2006-06-21 Richard Guenther <rguenther@suse.de>
1658 * configure: Regenerated.
1660 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1662 * config/mips/mips.c (function_arg): Where one part of a
1663 complex argument is in registers and the other part in the stack,
1664 return a REG not a PARALLEL.
1666 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1668 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1669 when cross-compiling. Do not substitute libstdcxx_incdir.
1670 * configure: Regenerated.
1672 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1674 * varasm.c (mergeable_string_section): Check for embedded NULs and
1675 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1676 rather than TREE_STRING_LENGTH bytes.
1678 2006-06-21 Richard Guenther <rguenther@suse.de>
1680 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1681 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1684 2006-06-21 Richrad Guenther <rguenther@suse.de>
1686 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1687 Limit iteration over the dominators.
1689 2006-06-20 Roger Sayle <roger@eyesopen.com>
1691 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1692 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1694 2006-06-20 Richard Guenther <rguenther@suse.de>
1695 Michael Matz <matz@suse.de>
1697 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1699 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1700 * et-forest.h (et_free_pools): Prototype new function.
1701 * et-forest.c (et_free_tree_force): Free parent occurrence.
1702 (et_free_pools): New function.
1703 * dominance.c (free_dominance_info): Free et-forest alloc
1706 2006-06-20 Roger Sayle <roger@eyesopen.com>
1708 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1709 integer modes, attempt to directly construct an integer constant.
1711 * fold-const.c (native_encode_vector): Determine the size of each
1712 element from the vector type instead of the first vector element.
1714 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1715 if all of its elements/components are constant.
1716 (build_constructor_from_list): Likewise.
1718 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1720 PR tree-optimization/27331
1721 * tree-data-ref.c (free_data_ref): New function.
1722 (create_data_ref): Fail if the data reference has unknown access
1724 (free_data_refs): Use free_data_ref.
1726 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1729 * tree-inline.c (setup_one_parameter): Strip useless
1730 type conversion before adding it to the IR.
1731 (declare_return_variable): Likewise.
1733 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1736 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1738 2006-06-19 Mike Stump <mrs@apple.com>
1740 * tree.c (variably_modified_type_p): VM arguments don't make the
1743 2006-06-19 Richard Guenther <rguenther@suse.de>
1745 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1746 type conversions after folding.
1748 2006-06-19 Richard Guenther <rguenther@suse.de>
1750 * ggc-page.c (extra_order_size_tab): Add entries with
1751 size of struct function and basic_block.
1752 (size_lookup): Extend to cover sizes up to 511.
1753 (ggc_alloc_stat): Adjust user.
1754 (ggc_pch_count_object): Likewise.
1755 (ggc_pch_alloc_object): Likewise.
1756 (ggc_pch_write_object): Likewise.
1758 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1760 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1761 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1764 2006-06-19 Denis Chertykov <denisc@overta.ru>
1766 * config/avr/libgcc.S : Correct my wrong previous commit.
1768 2006-06-19 Roger Sayle <roger@eyesopen.com>
1771 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1772 have stripped a SUBREG from the shift count, so we may need to
1773 convert_to_mode back to the type's mode before calling make_tree.
1774 Use new_amount instead of amount to avoid expanding a tree twice.
1776 2006-06-19 Richard Guenther <rguenther@suse.de>
1779 * fold-const.c (operand_equal_p): Check if the argument types
1780 have the same precision before stripping NOPs.
1782 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1784 Fix PR tree-optimization/27341
1785 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1787 * tree-complex.c (pass_lower_complex): Update SMT usage.
1789 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1791 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1792 Add a new alternative to the constraint strings. Add move of
1793 operand 1 to 3 to the splitter definition.
1794 ("doloop_si_long"): Second contraint alternative removed.
1796 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1798 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1799 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1801 (AVR_HAVE_MOVW) Define.
1802 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1803 (ASM_SPEC): Add avr25.
1804 (LINK_SPEC): Add avr25.
1805 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1806 (base_arch_s): Add new member 'have_movw_lpmx'.
1807 (avr_arch_types): Init 'have_movw_lpmx'.
1808 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1809 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1810 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1811 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1812 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1814 (avr_file_start): Do not output '.arh' derective.
1815 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1816 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1817 * config/avr/avr.md (mcu_enhanced): Delete.
1818 (mcu_have_movw): Define.
1819 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1820 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1821 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1822 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1823 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1824 attiny861 and at86rf401 devices.
1826 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1828 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1831 2006-06-17 Karl Berry <karl@gnu.org>
1833 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1834 doc/gccint.texi, doc/install.texi (@dircategory): Use
1835 "Software development" instead of "Programming", following
1836 the Free Software Directory.
1838 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1840 * config/i386/i386.c (legitimate_tls_address)
1841 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1842 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1843 (*tls_dynamic_gnu2_combine_64): Likewise.
1845 2006-06-16 Richard Guenther <rguenther@suse.de>
1848 * fold-const.c (negate_expr_p): Do not introduce undefined
1849 overflow in negating INTEGER_CSTs.
1850 (fold_negate_expr): Rename from negate_expr. Revert last
1851 change for folding BIT_NOT_EXPR. Change semantics to
1852 return NULL_TREE for non-simplified negations. Do not
1853 strip type conversions and unify type handling.
1854 (negate_expr): New function, wrap around fold_negate_expr
1855 but ensure building a tree always. Strip type conversions
1856 here, fold to result type.
1857 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1859 2006-06-16 Roger Sayle <roger@eyesopen.com>
1862 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1863 that (would) return their results in stack registers.
1865 2006-06-16 Michael Matz <matz@suse.de>
1866 Richard Guenther <rguenther@suse.de>
1868 * fold-const.c (fold_truthop): Only return new tree node if
1869 we canonicalized something.
1871 2006-06-16 Richard Guenther <rguenther@suse.de>
1873 * function.h (enum function_frequency): Move declaration
1874 out of struct function.
1875 (struct function): Move bool fields and the enum to the bitfield
1876 section. Reorder elements to avoid padding. Remove unused
1877 fields left over from the RTL inliner removal.
1878 * function.c (free_after_compilation): Do not zero removed fields.
1879 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1880 (ipa-type-escape.o): Likewise.
1882 2006-06-16 Richard Guenther <rguenther@suse.de>
1884 * cgraph.h (struct cgraph_local_info): Turn bool elements
1886 (struct cgraph_node): Likewise.
1887 (struct cgraph_varpool_node): Likewise.
1889 2006-06-15 Richard Guenther <rguenther@suse.de>
1891 * fold-const.c (fold_truth_not_expr): Rename from
1892 invert_truthvalue. Give it fold_* semantics to avoid
1894 (invert_truthvalue): New function. Wrapper around
1895 fold_truth_not_expr.
1896 (optimize_minmax_comparison): Avoid creating garbage.
1897 (fold_unary): Use fold_truth_not_expr for folding
1899 (fold_ternary): Replace uses of invert_truthvalue with
1900 fold_truth_not_expr where applicable.
1901 * tree.h (fold_truth_not_expr): Prototype.
1903 2006-06-16 Richard Guenther <rguenther@suse.de>
1905 PR tree-optimization/27781
1906 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1907 * ipa-pure-const.c (target.h): Include.
1908 (analyze_function): Do not analyze functions that do not
1911 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1914 * tree-dfa.c (referenced_vars_dup_list): Remove.
1915 (find_referenced_vars): Remove assert.
1916 (referenced_var_check_and_insert): Replace dup list with assert.
1917 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1918 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1920 2006-06-15 Richard Guenther <rguenther@suse.de>
1922 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1923 extra unused identifiers if not dumping.
1924 (create_variable_info_for): Likewise.
1926 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1928 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1929 (derive_constant_upper_bound): Derive more precise upper bound in
1930 common cases. Return type changed to double_int.
1931 (record_estimate): Reflect the changed return type of
1932 derive_constant_upper_bound.
1933 * double-int.c (double_int_zext, double_int_sext): Fix.
1935 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1937 * configure.ac (CFLAGS): Get them from the toplevel or from the
1938 configure invocation.
1939 * configure: Regenerate.
1940 * Makefile.in (CFLAGS): Substitute value provided by configure.
1942 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1945 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1946 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1947 rather than calling add_stmt on it.
1948 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1950 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1953 * reload1.c (reload): Remove registers returned by update_eliminables
1954 from used_spill_regs.
1956 2006-06-13 DJ Delorie <dj@redhat.com>
1958 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1960 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1962 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1963 html__strip_dir, html__mkdir_p. Enhance install-html target.
1964 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1965 * configure: Regenerate.
1967 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1969 * fold-const.c (fold_cond_expr_with_comparison): Check for
1970 Objective-C++ as language in deciding COND_EXPR transformation.
1972 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1975 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1976 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1977 * config/sh/lib1funcs.h (SL, SL1): Define.
1978 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1979 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1980 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1981 (OBJS_Os_4_200): New variable.
1982 ($(T)libgcc-Os-4-200.a): Use it.
1983 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1984 when dividing 1 and/or by 0.
1986 2006-06-13 Roger Sayle <roger@eyesopen.com>
1988 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1989 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1990 * configure: Regenerate.
1992 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1994 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1995 for real instruction.
1997 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2000 * haifa-sched.c (check_cfg): Handle special case.
2002 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2005 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2006 Add debug_info parameter. Chain the vars to the BLOCK instead
2007 of the BIND_EXPR if debug info are requested for them.
2008 (pop_gimplify_context): Adjust for above change.
2009 (gimple_add_tmp_var): Likewise.
2010 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2012 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2013 (convert_local_reference): Likewise.
2014 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2015 (finalize_nesting_tree_1): Request that debug info be emitted
2016 for debug_var_chain.
2018 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2020 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2021 for PR target/27863.
2023 2006-06-13 Richard Guenther <rguenther@suse.de>
2026 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2028 2006-06-13 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/27830
2031 * tree-inline.c (copy_body_r): For copying the operand
2032 of an ADDR_EXPR make sure to fold &* afterwards.
2034 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2036 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2037 lvalues in the fb_none case with side-effects.
2039 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2041 * tree-flow.h: Remove the prototype for
2042 compute_phi_arg_on_exit.
2043 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2044 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2047 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2049 * builtins.c (expand_builtin_return_addr): Only use
2050 frame_pointer_rtx when count == 0 and we are expanding
2051 __builtin_return_address.
2053 2006-06-12 Fred Fish <fnf@specifix.com>
2055 * config/mips/mips.c (mips_file_start): Create special section
2056 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2058 2006-06-11 Eric Christopher <echristo@apple.com>
2061 * stor-layout.c (place_field): Remove check for
2062 remaining_in_alignment when aligning at the end of a run.
2064 2006-06-11 Eric Christopher <echristo@apple.com>
2067 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2070 2006-06-11 Roger Sayle <roger@eyesopen.com>
2073 Revert incorrect fix for PR target/27158
2074 2006-05-08 Roger Sayle <roger@eyesopen.com>
2075 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2076 of a reg_equiv_constant if the result is a legitimate constant.
2078 2006-06-11 Roger Sayle <roger@eyesopen.com>
2081 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2082 extract a CONST_VECTOR element and interpret it as an integer.
2083 (vspltis_constant): Use const_vector_elt_as_int instead of the
2084 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2085 * config/rs6000/predicates.md (easy_vector_const): Consider
2086 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2088 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2091 * stor-layout.c (update_alignment_for_field): Don't add extra
2092 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2095 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2097 * config/mips/t-rtems: Add EL/EB multilib variants.
2099 2006-06-09 Mike Stump <mrs@apple.com>
2101 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2103 2006-06-09 David Daney <ddaney@avtrex.com>
2105 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2107 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2109 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2111 2006-06-09 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/26998
2114 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2115 of signed types, only TYPE_MIN_VALUE is special, but for both,
2116 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2117 in this case, as is -fwrapv.
2119 2006-06-08 Mike Stump <mrs@apple.com>
2122 * config/darwin.c (darwin_asm_output_anchor): Disable
2123 -fsection-anchors on darwin for now.
2124 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2125 * rs6000/rs6000.c (optimization_options): Likewise.
2127 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2130 * config/i386/i386.c (classify_argument): Skip fields with invalid
2133 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2135 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2136 (cse_insn): Likewise for the stack_pointer_rtx.
2138 2006-06-08 Roger Sayle <roger@eyesopen.com>
2140 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2141 conditions from floating point comparisons.
2143 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2146 * expmed.c (struct alg_hash_entry): Fix type of field T
2147 to match synth_mult argument.
2148 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2150 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2153 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2156 2006-06-08 Richard Guenther <rguenther@suse.de>
2159 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2160 only, if overflow is defined and not trapping.
2161 (negate_expr): Likewise.
2163 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2165 PR tree-optimization/27872
2166 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2167 flag on the new exit edge of the unrolled loop.
2169 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2171 PR rtl-optimization/26449
2172 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2174 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2177 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2178 referenced_variables with matching DECL_UID's.
2179 (find_referenced_vars): Make sure duplicate list is empty to start.
2180 (referenced_var_p): Remove.
2181 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2182 Check if var is in the list, and add if needed. Update the duplicate
2183 list if a different var is in the list with the same DECL_UID.
2184 (add_referenced_var): Call routine to check and insert.
2185 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2186 * tree-flow.h (referenced_vars_dup_list): External declaration.
2188 2006-06-07 Fred Fish <fnf@specifix.com>
2190 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2193 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2196 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2197 the imaginary and real parts of a clobbered register.
2198 Emit insn to set the imaginary part.
2200 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2202 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2203 in lieu of unwind-dw2-fde.c.
2205 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2207 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2209 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2212 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2213 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2214 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2215 V4SImode temporaries and operations instead.
2217 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2219 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2222 2006-06-06 Mike Stump <mrs@apple.com>
2224 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2225 installing during build.
2227 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2229 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2231 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2232 * config/ia64/ia64.c (params.h): New header.
2233 (ia64_optimization_options): New function to adjust parameters.
2234 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2235 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2236 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2238 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2240 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2242 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2245 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2247 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2248 Victor Kaplansky <victork@il.ibm.com>
2250 PR tree-optimization/26360
2251 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2254 2006-06-04 Roger Sayle <roger@eyesopen.com>
2255 Andrew Pinski <pinskia@physics.uc.edu>
2258 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2259 for LABEL_DECL before calling DECL_WEAK.
2262 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2263 LABEL_DECL and PARM_DECL.
2265 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2269 * c-decl.c (grokdeclarator): Disallow variably modified types at
2270 file scope. Avoid marking shared array type of constant size as
2273 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2276 * c-common.c (fold_offsetof_1): Handle static members.
2278 2006-06-04 Eric Christopher <echristo@apple.com>
2280 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2281 (debug_rli): Output value for remaining_in_alignment.
2282 (update_alignment_for_field): Unconditionalize
2283 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2284 extra alignment code.
2285 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2286 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2287 * tree.h (record_layout_info_s): Remove prev_packed.
2288 * doc/extend.texi (ms_struct): Add documentation of format.
2290 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2292 * tree.h: Declare folding_initializer.
2293 * builtins.c (fold_builtin_constant_p): Give definite answer
2294 if folding inside an initializer.
2295 * fold-const.c: Define folding_initializer.
2296 (START_FOLD_INIT): Save and then set folding_initializer.
2297 (END_FOLD_INIT): Restore folding_initializer.
2299 2006-06-04 Richard Guenther <rguenther@suse.de>
2301 PR tree-optimization/27039
2302 * fold-const.c (fold_comparison): Handle pointer comparison
2303 again for all comparison codes. Compare offsets in signed
2305 (fold_binary): Move code from here.
2307 2006-06-03 Roger Sayle <roger@eyesopen.com>
2310 * config/i386/i386.c (construct_container): Split static issued_error
2311 flag into issued_sse_arg_error, issued_sse_ret_error and
2312 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2313 requires the use of x87 registers and the user explicitly
2314 specified the -mno-80387 command line option.
2316 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2318 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2319 HAVE_DECL_SIGALTSTACK.
2321 (segv_handler): Use MC_FLD.
2322 * configure.ac: Check for a sigaltstack declaration.
2323 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2324 * configure: Regenerate.
2325 * config.in: Regenerate.
2327 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2330 * Makefile.in (stmp-fixinc): Fix typo.
2332 2006-06-02 Roger Sayle <roger@eyesopen.com>
2334 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2335 are type correct. Clean-up.
2336 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2337 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2339 2006-06-01 DJ Delorie <dj@redhat.com>
2341 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2342 shift, as we've disabled the "switch" insn that needs it.
2344 2006-06-01 Per Bothner <bothner@bothner.com>
2346 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2347 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2348 * c-ppoutput.c (cb_define): Don't increment line 0.
2350 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2352 * doc/invoke.texi: Add cpu_type power6.
2353 * config.gcc: Add cpu_type power6.
2354 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2355 to power5+ with Altivec.
2356 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2357 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2359 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2361 * config/avr/avr.h (SET_ASM_OP): Define.
2363 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2365 * config/bfin/bfin.c: Fix comment typos.
2367 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2370 * doc/install.texi: Document --enable-bootstrap and
2371 --disable-bootstrap.
2373 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2375 * doc/install.texi: Document that InfoZIP can replace jar.
2377 2006-05-31 Roger Sayle <roger@eyesopen.com>
2379 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2380 isn't available, directly generate the simpler x87 patterns without
2381 the (use (const_int 0)).
2382 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2383 implementation isn't available.
2384 (*negdf2_1): Likewise.
2385 (*negxf2_1): XF mode negation is always done using the x87.
2386 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2388 2006-05-31 Roger Sayle <roger@eyesopen.com>
2390 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2391 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2393 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2395 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2397 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2398 * config/bfin/bfin.c (basic-block.h): Include.
2399 (struct machine_function): New.
2400 (bfin_init_machine_status): New.
2401 (override_options): Initialize init_machine_status.
2402 (bfin_hardware_loop): New.
2403 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2404 (DEF_VEC_P (loop_info)): New.
2405 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2406 (struct loop_info): New.
2407 (loop_info): New typedef.
2408 (struct loop_work): New.
2409 (loop_work): New typedef.
2410 (DEF_VEC_O (loop_work)): New.
2411 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2412 (bfin_dump_loops): New.
2413 (bfin_bb_in_loop): New.
2414 (bfin_scan_loop): New.
2415 (bfin_optimize_loop): New.
2416 (bfin_reorg_loops): New.
2417 (bfin_reorg): Use bfin_reorg_loops.
2418 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2420 (I_REGNO_P): Simplify.
2421 (DP_REGNO_P, DPREG_P): New macros.
2422 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2423 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2424 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2425 Add LT_REGS, LC_REGS, LB_REGS.
2426 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2428 (REGNO_REG_CLASS): Deal with loop registers.
2429 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2431 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2432 New constants for loop registers.
2433 (UNSPEC_LSETUP_END): New.
2434 (seq_insns): New define_attr. Set it for appropriate insns.
2435 (movsi_insn): Add alternatives for move from/to
2436 loop count registers.
2437 (doloop_end): New define_expand.
2438 (loop_end): New define_insn.
2439 (define_split for bad doloop_end): New.
2440 (lsetup_with_autoinit): New define_insn.
2441 (lsetup_without_autoinit): New define_insn.
2442 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2443 * config/bfin/predicates.md (lc_register_operand): New.
2444 (lt_register_operand): New.
2445 (lb_register_operand): New.
2446 (nondp_register_operand): New.
2447 (nondp_reg_or_memory_operand): New.
2448 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2450 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2452 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2453 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2455 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2457 * Makefile.in (CATALOGS): Add po/ prefix.
2458 * configure: Regenerated.
2460 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2463 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2464 a shift operand before calling shift_op. Avoid redundant call of
2467 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2468 DJ Delorie <dj@redhat.com>
2470 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2471 we're inserting is a singlt-bit constant.
2473 2006-05-30 Roger Sayle <roger@eyesopen.com>
2475 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2476 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2478 2006-05-30 Roger Sayle <roger@eyesopen.com>
2480 PR tree-optimization/23452
2481 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2482 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2483 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2484 complex values and with -ffast-math for FP complex values.
2486 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2488 * c-common.h: Remove the prototype for yyparse.
2489 * rtl.h: Remove the prototype for init_loop.
2491 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2493 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2496 2006-05-30 Roger Sayle <roger@eyesopen.com>
2498 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2500 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2501 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2503 2006-05-30 Dirk Mueller <dmueller@suse.de>
2506 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2507 for CONSTANT_CLASS_P expresisons.
2509 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2512 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2514 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2516 PR tree-optimization/27779
2517 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2518 initial_condition instead of CHREC_LEFT.
2520 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2522 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2523 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2524 Make prototypes ISO C90.
2526 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2527 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2529 * see.c (see_analyze_one_def): Correct check.
2530 (see_get_extension_data): Check if extension is parallel.
2531 (see_get_extension_reg): Likewise.
2533 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2536 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2537 into register for (code == GTU).
2539 2006-05-29 Roger Sayle <roger@eyesopen.com>
2541 PR tree-optimization/24964
2542 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2543 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2544 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2545 abs(x)*abs(x) as x*x for scalar floating point modes.
2547 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2550 * lambda-code.c (perfect_nestify): Don't copy statements
2551 in the inner loop: move them to the inner loop header.
2553 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2556 * c-tree.texi: Document OpenMP directives and clauses.
2558 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2560 * varasm.c (globalize_decl): Fix indentation.
2562 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2565 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2566 pass_fre, pass_store_ccp, pass_copy_prop,
2567 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2568 pass_return_slot, pass_object_size, pass_lim,
2569 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2570 pass_loop_prefetch and pass_stdarg.
2572 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2574 * config/bfin/bfin.opt (mfdpic): New option.
2575 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2576 (EXTRA_MULTILIB_PARTS): Likewise.
2577 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2578 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2580 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2581 (CRT_CALL_STATIC_FUNCTION): New.
2582 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2584 (CRT_CALL_STATIC_FUNCTION): New.
2585 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2587 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2588 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2589 (initialize_trampoline): Changed to handle FD-PIC code generation.
2590 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2591 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2592 (override_options): Disallow -mid-shared-library -mfdpic combination.
2593 Can't do unaligned ops if FD-PIC.
2594 Turn off flag_pic if trying to generate non-id-shared-library
2595 non-fdpic code, since it's not supported.
2596 (bfin_assemble_integer): New function.
2597 (TARGET_ASM_INTEGER): Define.
2598 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2600 * config/bfin/crtn.s: Restore them.
2601 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2603 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2604 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2605 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2606 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2607 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2609 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2610 FDPIC_REGS and FDPIC_FPTR_REGS.
2611 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2612 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2613 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2614 (load_funcdescsi): New pattern.
2615 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2616 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2617 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2619 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2621 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2624 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2626 * tree-flow.h: Remove the prototype for add_type_alias.
2627 * tree-ssa-alias.c (add_type_alias): Remove.
2629 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2631 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2632 config/fr30/fr30.md, config/i386/i386-interix.h,
2633 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2634 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2635 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2636 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2637 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2638 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2639 Follow spelling conventions.
2640 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2641 Follow spelling conventions.
2643 2006-05-27 Richard Guenther <rguenther@suse.de>
2646 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2647 to produce a constant of value 1 of generic type.
2649 2006-05-27 Dirk Mueller <dmueller@suse.de>
2651 * cgraphunit.c (decide_is_function_needed): Fix wrong
2654 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2656 PR rtl-optimization/27661
2657 * reload.c (find_reloads): When reloading a VOIDmode constant
2658 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2659 use Pmode as mode of the reload register.
2661 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2663 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2664 is enabled at -O and above.
2666 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2669 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2672 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2675 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2676 for anonymous variables explicitly declared by front ends.
2678 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2680 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2681 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2682 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2683 ref-all pointers, run a finalization pass for them.
2684 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2685 (finalize_ref_all_pointers): New function.
2686 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2687 regular pointer type to a ref-all pointer type.
2688 (get_tmt_for): Return the special memory tag for ref-all pointers.
2690 2006-05-25 Richard Guenther <rguenther@suse.de>
2693 * fold-const.c (fold_binary): Do not look at the stripped
2694 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2696 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2698 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2699 for LT and GT if the computed range is effectively empty.
2701 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2704 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2705 mips_quad_format formats instead of ieee_single_format,
2706 ieee_double_format and ieee_quad_format formats, respectively.
2708 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2710 PR tree-optimization/27639
2711 PR tree-optimization/26719
2712 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2713 call to scev_probably_wraps_p.
2714 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2715 used_in_pointer_arithmetic_p, convert_step): Removed.
2716 (nowrap_type_p): New function.
2717 (scev_probably_wraps_p): Rewritten.
2718 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2719 chrec_convert if chrec_convert_aggressive might have been used.
2720 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2721 scev_direction): New functions.
2722 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2723 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2724 instead of convert_step.
2725 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2726 (convert_step): Declaration removed.
2727 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2729 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2731 * df-core.c: Added to header comments.
2732 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2733 df_ur_bb_info, df_urec_bb_info): Added comments.
2734 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2735 urec, ri problems): Fixed header comments.
2736 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2737 code from df_rd_transfer_function.
2739 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2741 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2742 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2743 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2745 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2747 * expr.c (undefined_operand_subword_p): New.
2748 (emit_move_multi_word): Do not generate move from undefined bits
2749 of a paradoxical subreg.
2751 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2753 PR rtl-optimization/27736
2754 * combine.c (replaced_rhs_value): New variable.
2755 (combine_instructions): Set it.
2756 (distribute_notes): When distributing a note in replaced_rhs_insn,
2757 check whether the value was used in replaced_rhs_value.
2759 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2762 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2763 add_referenced_var instead of add_referenced_tmp_var.
2764 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2765 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2767 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2768 tree_optimize_tail_calls_1): Use add_referenced_var.
2769 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2770 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2771 Use add_referenced_var.
2772 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2773 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2774 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2775 Use add_referenced_var.
2776 * tree-dfa.c (struct walk_state): Remove.
2777 (find_referenced_vars): Remove walk state and vars_found hash table.
2778 (make_rename_temp): Use add_referenced_var.
2779 (find_vars_r): Pass less parameters to add_referenced_var.
2780 (referenced_var_p): New. Is var in referenced_var hash table.
2781 (referenced_var_insert): Assert var isn't already in hash table.
2782 (add_referenced_var): Don't need walk_state parameter. Add var if it
2783 isn't already in the hash table.
2784 (add_referenced_tmp_var): Remove.
2785 (find_new_referenced_vars_1): Use add_referenced_var.
2786 * tree-ssa-pre.c (create_expression_by_pieces,
2787 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2788 Use add_referenced_var.
2789 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2790 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2791 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2793 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2794 vect_create_data_ref_ptr, vect_create_destination_var,
2795 vect_init_vector, vect_build_loop_niters,
2796 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2797 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2798 Use add_referenced_var.
2799 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2800 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2801 (add_referenced_var): Add prototype.
2802 * tree-ssa-structalias.c (get_constraint_for,
2803 intra_create_variable_infos): Use add_referenced_var.
2805 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2807 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2808 big-endian paradoxical subregs.
2809 * var-tracking.c (struct micro_operation_def): Document that,
2810 for modify micro operations, insn is the subsequent instruction.
2811 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2812 (var_reg_set, var_mem_set): ... new functions.
2813 (add_stores): Record subsequent insn.
2814 (compute_bb_dataflow): Use new functions for MO_USE.
2815 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2816 notes after the insn, and modify notes before the insn known
2817 to be the subsequent one.
2818 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2820 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2823 * config/i386/i386.c (ix86_expand_builtin): Use
2824 gen_sse3_monitor64 for TARGET_64BIT.
2826 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2828 PR rtl-optimization/26375
2829 PR rtl-optimization/26855
2830 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2832 (df_ru_bb_local_compute): Reversed statements and removed bogus
2833 comment explaining why they should be in wrong order.
2834 (df_ru_dump, df_rd_dump): Enhanced debug info.
2835 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2837 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2838 reaching uses and fixed space problem.
2840 2006-05-23 Jan Hubicka <jh@suse.cz>
2842 * cgraphunit.c (decide_is_function_needed): Also nested functions
2843 and functions declared inline can be optimized out at -O0.
2845 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2847 * doc/install.texi (Configuration): Remove reference to CrossGCC
2851 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2854 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2855 ix86_compare_emitted is non-NULL.
2857 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2860 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2863 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2865 PR rtl-optimization/25514
2866 * combine.c (replaced_rhs_insn): New variable.
2867 (combine_instructions): Set replaced_rhs_insn when trying to replace
2868 a SET_SRC with a REG_EQUAL note.
2869 (distribute_notes): Use replaced_rhs_insn when determining the live
2870 range of a REG_DEAD register.
2872 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2873 Anatoly Sokolov <aesok@post.ru>
2875 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2876 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2877 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2878 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2879 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2880 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2881 at90usb647, at90usb1286 and at90usb1287 devices.
2882 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2883 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2885 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2887 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2889 2006-05-22 Richard Guenther <rguenther@suse.de>
2892 2006-01-31 Richard Guenther <rguenther@suse.de>
2893 Paolo Bonzini <bonzini@gnu.org>
2895 * doc/install.texi (--disable-libgcc-math): Document.
2897 2006-05-22 Richard Guenther <rguenther@suse.de>
2900 2006-01-31 Richard Guenther <rguenther@suse.de>
2902 * doc/invoke.texi (-msselibm): Document.
2903 * target.h (expand_library_builtin): New target hook.
2904 * builtins.c (expand_builtin): Use expand_library_builtin.
2905 (default_expand_library_builtin): New function.
2906 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2907 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2908 (link_gcc_math_spec): Declare.
2909 (static_specs): Add link_gcc_math_spec.
2910 * expr.h (default_expand_library_builtin): Declare.
2911 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2912 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2913 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2914 * config/i386/i386.opt (msselibm): New target option.
2915 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2916 (ix86_init_sse_abi_builtins): New function.
2917 (ix86_expand_library_builtin): Likewise.
2918 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2919 (override_options): Handle error conditions wrt -msselibm.
2920 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2921 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2922 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2925 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2928 * c-common.c (self_promoting_args_p): Skip erroneous args.
2931 * c-decl.c (finish_struct): Skip erroneous fields.
2933 2006-05-22 Nick Clifton <nickc@redhat.com>
2935 * config/cris/cris.opt (march): Remove VarExists attribute.
2936 (max-stackframe=): Likewise.
2938 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2940 * doc/rtl.texi: Fix a typo.
2941 * see.c: Fix comment typos.
2943 * tree-ssa-structalias.h (alias_info): Remove num_references.
2945 2006-05-21 Mike Stump <mrs@apple.com>
2947 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2949 (darwin_pragma_options): Use BAD instead.
2950 (darwin_pragma_unused): Likewise.
2951 (darwin_pragma_ms_struct): Likewise.
2953 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2955 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2957 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2959 PR rtl-optimization/27671
2960 * simplify-rtx.c (simplify_relational_operation_1): Fix
2961 simplifications of (eq/ne (xor x y) y) and
2962 (eq/ne (xor x y) x).
2964 PR tree-optimization/26622.
2965 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2968 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2970 * tree-cfg.c: Prune whitespace.
2971 (debug_tree_cfg): Point to correct header containing the
2974 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2977 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2979 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2982 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2983 or sorry count is non zero.
2985 2006-05-20 Andreas Schwab <schwab@suse.de>
2987 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2989 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2990 Kenneth Zadeck <zadeck@naturalbridge.com>
2992 PR rtl-optimization/26855
2994 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2996 (df_scan_alloc): Added code to properly handle multiword hard
2997 registers and add all_blocks parameter.
2998 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2999 code to properly handle multiword hard registers.
3000 (df_rescan_blocks): Added code to remove deleted blocks from
3002 (df_ref_create_structure, df_ref_record): Added code to properly
3004 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3005 and set DF_REF_PARTIAL.
3006 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3007 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3008 (df_scan_add_problem): Added flags parameter.
3009 (df_ref_create_structure): Changed switching structure.
3010 (df_bb_refs_record): Fixed case where duplicate artificial refs
3011 were created. Changed location of flags.
3012 (df_record_entry_block_defs): Added code to make stack pointer
3013 live in entry block. Refined cases where frame pointer is needed.
3014 Changed location of flags.
3015 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3016 (df_set_state): Removed function.
3017 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3018 df_insn_create_insn_record, df_insn_refs_delete,
3019 df_ref_create_structure): Formatting changes.
3020 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3021 df_delete_basic_block): New function.
3022 (df_init): Changed location of flags.
3023 (df_add_problem): Added flags parameter and the way flags are
3025 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3026 debug_df_chain): Improved debugging output.
3027 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3028 (df_refs_chain_dump): Removed df parameter.
3029 (df_iterative_dataflow): Added consistency check.
3030 (df_prune_to_subcfg): Made public.
3031 (df_analyze_problem): Added blocks_to_init parameter and made
3033 (df_ref_record, df_bb_refs_record, df_mark_reg,
3034 df_record_exit_block_uses): Whitespace changes.
3035 (df_dump): Whitespace changes.
3036 * df.h: Some reordering to remove forward references.
3037 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3038 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3039 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3040 (dataflow.flags): New field.
3041 (df.flag): Deleted field.
3042 (df_alloc_function): Added additional bitmap parameter.
3043 (df_dependent_problem_function): New type.
3044 (df_problem.changeable_flags): New field.
3045 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3046 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3047 (df_mw_hardreg): New struct.
3048 (DF_INSN_UID_MWS): New macro.
3049 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3051 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3052 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3053 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3054 (df_set_state): Removed function.
3055 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3056 * df-problems.c (df_chain_dump): Removed df parameter.
3057 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3058 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3060 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3061 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3062 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3063 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3064 DF_REF_MUST_CLOBBER cases.
3065 (df_ru_bb_local_compute_process_def,
3066 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3067 df_lr_bb_local_compute, df_ur_bb_local_compute,
3068 df_chain_create_bb): Made subreg aware.
3069 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3070 df_lr_bb_local_compute, df_lr_bb_local_compute,
3071 df_chain_create_bb): Cleanup to use proper macros.
3072 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3073 code to fixup bitvectors.
3074 (df_ri_alloc): Cleared lifetime.
3075 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3076 df_create_unused_note): New function.
3077 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3078 REG_DEAD and REG_UNUSED notes as well as register information.
3079 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3080 df_chains_dump): Fixed crash if problem was never run.
3081 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3082 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3083 df_ri_add_problem): Processes flags in uniform manner.
3084 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3085 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3086 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3087 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3088 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3089 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3090 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3091 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3092 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3093 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3094 * see.c (see_initialize_data): Ditto.
3095 * final.c (rest_of_clean_state) Added regstack_completed.
3096 * rtl.h (regstack_completed): Ditto.
3097 * reg-stack.c (regstack_completed): Ditto.
3099 2006-05-19 Mike Stump <mrs@apple.com>
3101 * c-tree.h (default_conversion): Remove.
3102 * c-common.h (default_conversion): Add.
3104 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3106 * tree-vrp.c (valid_value_p): New function.
3107 (adjust_range_with_scev): Fail if the value of bound is not
3110 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3112 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3113 (mips_fallback_frame_state): Use syscall numbers to determine
3114 the appropriate li instruction for the current ABI. Only use
3115 __NR_sigreturn for o32.
3117 2006-05-19 Nicolas Setton <setton@adacore.com>
3119 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3120 * langhooks.c (lhd_dwarf_name): New function.
3121 * langhooks-def.h (lhd_dwarf_name): Declare.
3122 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3123 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3124 * ada/misc.c (gnat_dwarf_name): New function.
3125 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3127 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3129 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3131 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3132 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3133 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3134 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3135 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3136 determine the size of Wtype, etc.
3137 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3138 (swfloatfuncs): New variable.
3139 (dwfloatfuncs): Likewise.
3140 (lib2funcs): Remove floating-point conversion functions from
3141 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3142 the set of conversion routines needed. Allow entries to specify
3143 an object name, filename and word size. Update users accordingly.
3144 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3145 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3149 2006-02-08 Roger Sayle <roger@eyesopen.com>
3152 * config/fixtfdi.c: New libgcc source file.
3153 * config/fixunstfdi.c: New source file.
3154 * config/floatditf.c: New source file.
3155 * config/floatunditf.c: New souce file.
3156 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3157 files above instead of config/mips/_tilib.c.
3158 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3160 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3162 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3163 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3165 2006-05-18 Mike Stump <mrs@apple.com>
3167 Fix up vla, vm and [*] sematics.
3173 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3174 (c_vla_unspec_p): Add.
3175 (c_vla_type_p): Add.
3176 * c-decl.c (struct c_scope): Add had_vla_unspec.
3177 (build_array_declarator): Add support for [*].
3178 (grokdeclarator): Likewise.
3179 (grokparms): Likewise.
3180 (get_parm_info): Likewise.
3181 * c-objc-common.c (c_vla_unspec_p): Likewise.
3182 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3183 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3184 typeof when argument is a variably modified type not inside sizeof or alignof.
3185 (c_parser_direct_declarator_inner): Propagate errors.
3186 (c_parser_sizeof_expression): Add support for [*].
3187 (c_parser_parms_declarator): Initialize had_vla_unspec.
3188 (c_parser_parms_list_declarator): Likewise.
3189 * c-typeck.c (c_vla_type_p): Add.
3190 (composite_type): Add support for vla compositing.
3191 (comptypes_internal): Add support for vla compatibility.
3192 (c_expr_sizeof_expr): Evaluate vla arguments.
3193 * tree.c (variably_modified_type_p): Update comment for [*].
3195 2006-05-18 Michael Matz <matz@suse.de>
3198 * config.host: Make assignments to host_xmake_file cumulative.
3199 * config.host (*-darwin*): Test $host, not $target.
3201 2006-05-12 Stuart Hastings <stuart@apple.com>
3203 * config/i386/i386.opt (-mstackrealign): New flag.
3204 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3205 (ix86_handle_cconv_attribute): Emit error when
3206 force_align_arg_pointer attribute collides with too many regparms.
3207 (ix86_function_regparm): Limit regparms when used with
3208 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3209 Support stack-realigning prologue in non-main functions. Emit
3210 warning for nested functions under -mstackrealign, emit error for
3211 nested functions with force_align_arg_pointer attribute.
3212 * doc/extend.texi (force_align_arg_pointer): Document it.
3213 * doc/invoke.texi (-mstackrealign): Document it.
3215 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3217 PR rtl-optimization/27477
3218 * combine.c (try_combine): Don't split a parallel consisting
3219 of two sets into two individual sets if both sets reference
3222 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3224 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3225 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3227 * doc/options.texi (VarExists): Updated.
3229 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3231 * unwind-dw2.c: Add declarations for uw_update_context and
3233 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3234 detected, advance frame state and context once to skip over stub.
3236 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3240 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3241 Call rewrite_into_loop_closed_ssa only when something changed.
3242 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3243 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3244 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3245 Test for perfect_nest_p here. Fix formating.
3246 (replace_uses_equiv_to_x_with_y): Fix formating.
3247 (stmt_uses_op): Removed.
3248 (can_convert_to_perfect_nest): Removed loopivs parameter.
3249 Complete the test by checking the scalar dependences.
3250 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3253 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3256 From Dan Kegel <dank@kegel.com>:
3257 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3259 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3261 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3262 if the element type is variably modified without recursing.
3264 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3267 * tree-loop-linear.c (try_interchange_loops): Test for
3268 no data dependences.
3270 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3272 PR tree-optimization/27548
3273 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3274 range of ssa names that appear on abnormal edges.
3275 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3276 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3278 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3281 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3283 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3286 * tree.h (OMP_PARALLEL_COMBINED): Define.
3287 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3288 (new_omp_context): Add is_combined_parallel argument.
3289 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3290 new_omp_context caller.
3291 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3292 Adjust gimplify_scan_omp_clauses callers.
3293 (omp_is_private): Issue errors if iteration variable is firstprivate
3294 or reduction in the current context.
3295 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3296 on combined parallel workshare constructs.
3298 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3300 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3301 (gcc-options.o): New rule.
3303 * optc-gen.awk: Protect variables for gcc-options.o with
3304 #ifdef GCC_DRIVER/#endif.
3306 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3308 Fix PR tree-optimization/27373
3309 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3310 (forward_propagate_addr_expr): Update call.
3312 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3314 * doc/options.texi: Move the Negative option.
3316 2006-05-16 Richard Guenther <rguenther@suse.de>
3318 PR tree-optimization/22303
3319 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3321 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3322 ccp_fold did not simplify the statement.
3324 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3327 * Makefile.in (GCC_OBJS): New.
3328 (OBJS-common): Add opts-common.o.
3329 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3330 (cpp$(exeext)): Likewise.
3331 (gcc.o): Also depend on opts.h.
3332 (opts-common.o): New.
3334 * common.opt (gcoff): Add Negative(gdwarf-2).
3335 (gdwarf-2): Add Negative(gstabs).
3336 (gstabs): Add Negative(gstabs+).
3337 (gstabs+): Add Negative(gvms).
3338 (gvms): Add Negative(gxcoff).
3339 (gxcoff): Add Negative(gxcoff+).
3340 (gxcoff+): Add Negative(gcoff).
3341 * config/i386/i386.opt (m32): Add Negative(m64).
3342 (m64): Add Negative(m32).
3344 * doc/options.texi: Document the Negative option.
3346 * gcc.c: Include "opts.h".
3347 (main): Call prune_options after expandargv.
3349 * optc-gen.awk: Generate common declarations for all flag
3350 variables in options.c. Output the neg_index field.
3352 * opts.c (find_opt): Moved to ...
3353 * opts-common.c: Here. New file.
3355 * opts.h (cl_option): Add a neg_index field.
3357 (prune_options): Likewise.
3359 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3362 * omp-low.c (expand_omp_parallel): Don't assert
3363 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3364 instead search for it.
3367 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3370 2006-05-16 Andreas Schwab <schwab@suse.de>
3372 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3375 2006-05-15 Roger Sayle <roger@eyesopen.com>
3378 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3379 integer constants other than zero are only legitimate on TARGET_64BIT.
3380 <CONST_VECTOR> Only zero vectors are legitimate.
3381 (ix86_cannot_force_const_mem): Integral and vector constants can
3382 always be put in the constant pool.
3384 2006-05-16 DJ Delorie <dj@redhat.com>
3386 * crtstuff.c (__dso_handle): Set section from
3387 TARGET_LBIGCC_SDATA_SECTION if defined.
3388 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3389 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3391 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3394 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3397 2006-05-16 Ben Elliston <bje@au.ibm.com>
3399 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3401 2006-05-15 Per Bothner <per@bothner.com>
3403 * tree.c: (last_annotated_node): Use source_locus typedef.
3404 This permits bootstrapping with --enable-mapped-location.
3406 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3408 PR tree-optimization/26830
3409 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3410 (info_for_ssa_name, current_info_for_ssa_name_age,
3411 blocks_to_update): New variables.
3412 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3413 (clear_ssa_name_info, initialize_flags_in_bb,
3414 mark_block_for_update): New functions.
3415 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3416 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3417 prepare_def_site_for): Use mark_block_for_update.
3418 (mark_def_interesting): Assert that the processed block is marked in
3419 blocks_to_update. Do not take blocks argument.
3420 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3422 (rewrite_update_init_block, rewrite_update_stmt): Only process
3423 blocks with statements to rewrite.
3424 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3425 (update_ssa): Initialize and free blocks_to_update. Do not
3426 clear flags on statements. Do not use blocks bitmap.
3427 * tree.h (SSA_NAME_AUX): Removed.
3428 (struct tree_ssa_name): Removed aux field.
3429 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3431 2006-05-15 Richard Guenther <rguenther@suse.de>
3433 PR tree-optimization/27603
3434 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3435 Do computations in original type.
3437 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3439 * see.c: Code style changes such as redundant paranthesis,
3440 redundant intialization of local variables etc.
3441 (see_main): Declared now as static.
3442 * doc/invoke.texi: Update that -fsee is not enabled by
3445 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3447 * omp-low.c (check_omp_nesting_restrictions): New function.
3448 (scan_omp_1): Call it.
3451 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3452 construct, return *VAR.
3454 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3456 PR rtl-optimization/27406
3457 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3460 2006-05-14 Roger Sayle <roger@eyesopen.com>
3462 PR rtl-optimization/27538
3463 * combine.c (expand_compound_operation): Call gen_lowpart
3464 before calling simplify_shift_const.
3466 2006-05-14 Roger Sayle <roger@eyesopen.com>
3468 PR rtl-optimization/22563
3469 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3470 a fixed width bitfield, always force the intermediates into psuedos.
3472 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3475 * mkconfig.sh: Use operator = instead of == for test.
3477 2006-05-13 Nick Clifton <nickc@redhat.com>
3479 * dwarf2out.c (dbx_reg_number): Check return value from
3480 LEAF_REG_REMAP and only use it if it is valid.
3481 (multiple_reg_loc_descriptor): Likewise.
3483 2006-05-13 Richard Guenther <rguenther@suse.de>
3485 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3488 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3490 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3491 information attached to non-INSNs such as NOTEs.
3492 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3494 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3496 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3498 * config/s390/s390.md: Adjust comment describing On constraint.
3500 2006-05-11 Jan Hubicka <jh@suse.cz>
3502 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3503 to be output at -O0.
3505 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3508 * fold-const.c (size_binop): Move sanity check for arguments to
3509 the beginning of the function.
3512 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3515 2006-05-11 Richard Guenther <rguenther@suse.de>
3518 * fold-const.c (fold_unary): Handle intermediate conversion
3519 to a pointer type like intermediate conversion to an integer
3520 type in folding of (T1)(T2)var to var.
3521 Match the code to the comment in the final conversion for
3522 (T1)(T2)var to (T1)var regarding to type precision. Rather
3523 than disallow T1 being of pointer type, assert that both T1
3524 and var are of pointer type or not. Make sure not to fall
3525 over the frontends lazyness wrt array to pointer decay though.
3527 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3529 * arm.c (arm_struct_value_rtx): Delete.
3530 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3531 (arm_init_cumulative_args): Always initialize nregs to zero.
3533 2006-05-10 Richard Guenther <rguenther@suse.de>
3535 PR tree-optimization/27532
3536 * tree-object-size.c (plus_expr_object_size): Fix typo.
3538 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3541 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3542 ashrdi_const, ashrdi3): Use a scratch register.
3544 2006-05-10 Richard Guenther <rguenther@suse.de>
3546 PR tree-optimization/27302
3547 * fold-const.c (operand_equal_p): For two comparisons,
3548 try comparison of one comparison code swapped if that yields
3551 2006-05-10 Ben Elliston <bje@au.ibm.com>
3553 * tree-pretty-print.c (pretty_print_string): No need to handle
3554 '\0' as a special character.
3556 * tree.h: Include "hashtab.h".
3557 (iterative_hash_expr): Use hashval_t in its prototype.
3558 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3560 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3563 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3564 (hppa*64*-*-hpux11*): Ditto.
3565 (hppa[12]*-*-hpux11*): Ditto.
3567 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3570 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3572 2006-05-09 Michael Matz <matz@suse.de>
3574 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3575 host_extra_gcc_objs and host_xmake_file.
3576 (<*-*-linux*>): Don't overwrite host_xmake_file.
3577 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3578 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3579 (host_detect_local_cpu): Declare.
3580 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3581 * config/i386/i386.c (override_options): Handle -mtune=native
3583 * config/i386/x-i386: New file.
3584 * config/i386/driver-i386.c: New file.
3585 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3588 2006-05-09 Dirk Mueller <dmueller@suse.de>
3589 Richard Guenther <rguenther@suse.de>
3592 * fold-const.c (fold_read_from_constant_string): Relax check
3593 for matching types to matching modes.
3595 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3597 PR rtl-optimization/27335
3598 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3601 2006-05-08 Chao-ying Fu <fu@mips.com>
3602 Richard Sandiford <richard@codesourcery.com>
3604 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3605 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3606 * config/mips/mips.md (UNSPEC_SCC): New constant.
3607 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3608 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3609 (mips_emit_compare): Use it.
3610 (mips_expand_vcondv2sf): New function.
3612 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3614 Fix PR tree-optimization/27093
3615 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3616 renaming when they become not-used_alone.
3618 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3620 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3621 relocation and relocation stubs.
3623 2006-05-08 Eric Christopher <echristo@apple.com>
3625 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3628 2006-05-08 Jan Hubicka <jh@suse.cz>
3631 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3632 unused static functions are needed.
3634 2006-05-08 Roger Sayle <roger@eyesopen.com>
3637 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3638 of a reg_equiv_constant if the result is a legitimate constant.
3640 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3643 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3644 standard 80387 constants, raise the cost to prevent
3645 compress_float_constant() to generate load from memory.
3647 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3649 * config/arm/constraints.md (c): Fix a typo.
3651 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3654 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3657 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3659 (_mm_mwait): Likewise.
3661 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3663 (sse3_monitor): Make it 32bit only.
3664 (sse3_monitor64): New. 64bit monitor.
3666 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3669 * config/i386/i386.c (classify_argument): Skip fields with invalid
3672 2006-05-07 Richard Guenther <rguenther@suse.de>
3674 PR tree-optimization/27409
3675 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3676 Do not try to find zero-sized subvars.
3678 2006-05-07 Richard Guenther <rguenther@suse.de>
3680 PR tree-optimization/27136
3681 * tree-ssa-loop-niter.c (get_val_for): Correct function
3682 comment, assert requirements.
3683 (loop_niter_by_eval): Stop processing if the iterated
3684 value did not simplify.
3686 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3688 * opts.c (flag_see): remove its setting at -O3.
3690 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3692 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3693 * arm/constraints.md: New file.
3694 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3695 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3696 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3697 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3698 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3699 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3700 * arm.md: Include constraints.md.
3701 (thumb_movsi_insn): Use satisfies_constraint_J.
3702 (movhi, movqi): Use satisfies_constraint_I.
3704 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3706 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3707 for atmeg a645 device.
3709 2006-05-06 Richard Guenther <rguenther@suse.de>
3711 PR tree-optimization/27151
3712 * tree-vect-transform.c (vectorizable_condition): Punt on
3713 values that have a different type than the condition.
3715 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3718 * c-parser.c (c_parser_cast_expression): Only insert casts into
3719 hash table if pointer.
3720 * function.c (used_types_insert_helper): Rename from
3722 (used_types_insert): Call used_types_insert_helper.
3723 * function.h (used_types_insert): Accept only one argument.
3725 2006-05-05 David Edelsohn <edesohn@gnu.org>
3727 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3728 scratch with output modifier.
3730 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3733 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3734 with output modifier.
3736 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3739 * config/mips/mips.c (mips_symbolic_address_p): Return true
3740 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3741 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3743 2006-05-04 Richard Guenther <rguenther@suse.de>
3745 PR tree-optimization/14287
3746 PR tree-optimization/14844
3747 PR tree-optimization/19792
3748 PR tree-optimization/21608
3749 PR tree-optimization/27090
3750 * tree-ssa-pre.c (try_combine_conversion): New function.
3751 (compute_avail): After constructing the value-handle
3752 expression, use try_combine_conversion to combine NOP_EXPRs
3753 with previous value-handle expressions and use the result if it
3756 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3758 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3760 2006-05-04 Jan Hubicka <jh@suse.cz>
3763 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3765 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3767 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3768 that this only matches CONST_INTs. All users changed to VOIDmode
3771 * config/bfin/bfin.c: Include "optabs.h".
3772 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3774 (enum bfin_builtins): Add a number of fractional and vector builtins.
3775 (bfin_init_builtins): Likewise.
3776 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3777 (safe_vector_operand, bfin_expand_binop_builtin,
3778 bfin_expand_unop_builtin): New functions.
3779 (bfin_expand_builtin): Handle the new builtins.
3780 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3783 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3786 * Makefile.in (OBJS-common): Add see.o.
3787 (see.o): Add dependencies.
3788 * common.opt (fsee): New flag for the see optimization was added.
3789 * opts.c (flag_see): Initialized.
3790 * passes.c (init_optimization_passes, pass_see): New pass.
3791 * rtl.h (see_main): Declaration as extern.
3792 * timevar.def (TV_SEE): New.
3793 * tree-pass.h (pass_see): Declaration as extern.
3794 * invoke.texi (-fsee): Document.
3795 * recog.c (validate_simplify_insn): New function.
3796 * recog.h (validate_simplify_insn): Declaration as extern.
3797 * df-problems.c (df_chain_dump): Check for NULL.
3799 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3800 Daniel Berlin <dberlin@dberlin.org>
3802 * cfgrtl.c (insert_insn_bb_end_new): New function.
3803 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3805 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3807 * df.h (struct web_entry): Moved from web.c.
3808 (union_defs): Declaration as extern.
3809 (unionfind_root): Likewise.
3810 (unionfind_union): Likewise.
3811 * web.c (struct web_entry): Moved to df.h.
3812 (unionfind_root): Remove static declaration.
3813 (unionfind_union): Likewise.
3814 (union_defs): Likewise and generalize to use callback function.
3815 (web_main): Update arguments for union_defs function call.
3817 2006-05-04 Richard Guenther <rguenther@suse.de>
3819 PR tree-optimization/26447
3820 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3821 produce SSA_NAME copies before the store stmt to avoid
3822 breaking exception handling.
3824 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3827 * gimplify.c (omp_is_private): If var is shared in some outer context,
3828 return false instead of true. Stop searching on parallel context
3831 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3834 * coverage.c: Use get_gcov_unsigned_t() instead of
3835 unsigned_type_node all over.
3837 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3839 PR tree-optimization/27381
3840 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3841 maintain the same immediate_use links.
3842 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3843 node rather than segfaulting.
3845 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3848 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3849 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3850 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3852 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3854 Fix PR tree-optimization/26626
3855 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3857 * tree-ssa-operands.c (access_can_touch_variable): Allow
3858 typecasting through union pointers.
3860 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3863 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3864 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3865 to find if var will be a global variable even in the nested context.
3866 (omp_copy_decl): Only check for global variable at the end, it might
3867 be overridden in outer contexts.
3868 (scan_sharing_clauses): For global variables don't create a field.
3869 (lower_rec_input_clauses): Do nothing for global shared variables.
3870 Emit a barrier at the end of ILIST if there were any decls in both
3871 firstprivate and lastprivate clauses.
3872 (lower_send_clauses): Do nothing for global variables except for
3875 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3877 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3878 of the correct signedness is returned.
3880 2006-05-02 Jeff Law <law@redhat.com>
3882 PR tree-optimization/27364
3883 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3884 multiply expressions.
3886 2006-05-02 Tom Tromey <tromey@redhat.com>
3888 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3890 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3893 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3894 -mthumb -fPIC are used.
3896 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3897 Joshua Kinard <kumba@gentoo.org>
3900 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3901 with 64-bit pointers.
3903 2006-05-02 Paul Brook <paul@codesourcery.com>
3905 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3907 (create_fix_barrier): Check that a suitable barrier location is
3909 (arm_reorg): Include ftmp->address in allowable range of addresses.
3911 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3914 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3917 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3920 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3921 around RESULT_DECL for result passed by reference.
3922 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3923 * omp-low.c (use_pointer_for_field): Don't look at
3924 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3925 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3926 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3927 time or var for passing by reference for
3928 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3929 TREE_ADDRESSABLE variables when passing by reference.
3931 * omp-low.c (dump_omp_region): Fix output formatting.
3934 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3935 (expand_omp_parallel): Likewise.
3936 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3939 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3940 on statement list containing also constructors and destructors.
3941 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3944 * except.c (duplicate_eh_regions): Fix clearing of
3945 cfun->eh->region_array entries.
3947 2006-05-01 DJ Delorie <dj@redhat.com>
3949 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3951 (gcc_cv_objdump): Likewise.
3952 * configure: Regenerated.
3954 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3957 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3958 templates for case 3 and 4.
3960 2006-05-01 DJ Delorie <dj@redhat.com>
3962 * vec.c: Include bconfig.h when appropriate.
3963 * Makefile.in (build/vec.o): Adjust dependencies.
3964 * mkconfig.sh: Make sure config.h isn't used for build machine
3967 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3969 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3971 (mark_phi_for_rewrite): New function.
3972 (insert_phi_nodes_for, mark_use_interesting): Call
3973 mark_phi_for_rewrite.
3974 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3975 (update_ssa): Initialize and free phis_to_rewrite.
3977 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3979 PR rtl-optimization/27291
3980 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3981 folded to a constant.
3983 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3985 PR tree-optimization/27283
3986 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3987 not whole # of iteration descriptions.
3988 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3989 uses abnormal ssa name.
3990 (niter_for_single_dom_exit): Ditto.
3991 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3992 return just the number of iterations.
3994 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3996 PR tree-optimization/27144
3997 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3998 (record_estimate): Only record constant upper bound.
3999 (infer_loop_bounds_from_undefined): Call
4000 compute_estimated_nb_iterations just once.
4001 (proved_non_wrapping_p): Renamed to ...
4002 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4003 (convert_step_widening, scev_probably_wraps_p): Call
4004 n_of_executions_at_most instead of proved_non_wrapping_p.
4005 (substitute_in_loop_info): Do not replace values in bounds.
4006 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4009 2006-05-01 Richard Henderson <rth@redhat.com>
4012 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4013 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4016 2006-05-01 Roger Sayle <roger@eyesopen.com>
4018 * c-typeck.c (parser_build_binary_op): Don't call the function
4019 unsigned_conversion_warning to spot operand/result type overflow.
4020 (build_binary_op): Instead, call convert_and_check instead of
4021 convert to report the problem when the operands are promoted.
4022 * c-common.c (unsigned_conversion_warning): Make static.
4023 * c-common.h (unsigned_conversion_warning): Delete prototype.
4025 2006-05-01 Richard Guenther <rguenther@suse.de>
4027 PR tree-optimization/26726
4028 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4030 (find_interesting_uses_address): ... we work around here
4031 by folding INDIRECT_REFs in the substituted base.
4033 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4035 * omp-low.c (dump_omp_region): Add newlines.
4037 2006-04-30 Roger Sayle <roger@eyesopen.com>
4039 * common.opt (Woverflow): New command line option.
4040 * c-common.c (constant_expression_warning): Check warn_overflow.
4041 (overflow_waring): Pass OPT_Woverflow to warning.
4042 (unsigned_conversion_warning): Likewise.
4043 (convert_and_check): Likewise.
4044 * doc/invoke.texi: Document new command line option.
4046 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4048 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4049 TARGET_NO_FP_IN_TOC for section anchors.
4050 (optimization_options): Enable section anchors for all
4051 non-"Objective" languages.
4053 2006-04-28 Eric Christopher <echristo@apple.com>
4055 * config/darwin-c.c (darwin_ms_struct): Move this
4056 (darwin_set_default_type_attributes): and this...
4057 * config/darwin.c: ... here.
4058 * config/darwin.h (darwin_ms_struct): Declare.
4060 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4062 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4064 2006-04-28 Roger Sayle <roger@eyesopen.com>
4067 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4068 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4069 an unsigned HOST_WIDE_INT.
4070 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4072 (really_start_incremental_init): No need to call convert because
4073 bitsize_zero_node is already of type bitsizetype.
4074 (push_init_level): Extract the value of constructor_index as an
4075 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4076 (process_init_element): Likewise.
4078 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4080 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4081 value before passing to make_relative_prefix.
4083 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4086 * builtins.c (expand_builtin_memset): Expand val in original mode.
4088 2006-04-27 Eric Christopher <echristo@apple.com>
4090 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4091 with #ifndef/#endif.
4092 * config/darwin-c.c (darwin_ms_struct): New.
4093 (darwin_pragma_ms_struct): Ditto.
4094 (darwin_set_default_type_attributes): Ditto.
4095 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4096 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4097 Register ms_struct pragma.
4098 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4099 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4100 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4101 darwin_set_default_type_attributes if TARGET_MACHO.
4103 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4105 PR tree-optimization/26854
4106 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4107 * doc/tree-ssa.texi: Update immuse iterator documentation.
4108 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4109 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4110 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4111 first_safe_imm_use, next_safe_imm_use): Remove.
4112 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4113 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4114 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4115 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4116 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4117 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4118 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4119 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4120 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4121 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4122 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4123 (perfect_nestify): Use new iterator.
4124 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4126 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4127 (next_imm_name): New field in struct immediate_use_iterator_d.
4128 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4129 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4130 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4131 * tree-cfg.c (replace_uses_by): Use new iterator.
4132 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4133 * tree-ssa-operands.c (correct_use_link): Remove.
4134 (finalize_ssa_use_ops): No longer call correct_use_link.
4136 2006-04-27 Stuart Hastings <stuart@apple.com>
4138 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4139 * config/t-darwin (crt3.o): Use it.
4140 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4141 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4142 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4143 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4144 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4147 2006-04-27 Roger Sayle <roger@eyesopen.com>
4149 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4150 size, force the intermediate into a new pseudo rather instead of
4151 performing both a bitwise AND and a bitwise IOR in memory.
4153 2006-04-27 Richard Guenther <rguenther@suse.de>
4155 PR rtl-optimization/26685
4156 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4157 this one "max-flow-memory-locations".
4159 2006-04-27 Richard Guenther <rguenther@suse.de>
4161 PR tree-optimization/25148
4162 * tree-vrp.c (compare_values): Remove code dealing with
4163 comparisons against type min/max value. Honour overflow
4164 and negative constants in code dealing with comparisons
4165 of plus and minus expressions.
4166 (value_inside_range): Use fold_binary with LE_EXPR and
4167 GE_EXPR rather than compare_values.
4169 2006-04-27 Dirk Mueller <dmueller@suse.de>
4171 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4174 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4176 * basic-block.h (safe_insert_insn_on_edge): Removed.
4177 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4179 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4180 Paolo Bonzini <bonzini@gnu.org>
4183 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4184 (simplify_and_const_int): Same.
4186 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4188 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4190 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4193 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4194 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4195 cgraph_global_info_ready.
4198 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4201 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4202 either decl or init is error_mark_node.
4205 * tree-flow.h (struct omp_region): Add sched_kind.
4206 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4207 instead of extracting omp for data.
4208 (expand_omp_for): Save extracted sched_kind.
4210 2006-04-25 Roger Sayle <roger@eyesopen.com>
4212 * expmed.c (store_bit_field): Also check whether the bitsize is
4213 valid for the machine's "insv" instruction before moving the
4214 target into a pseudo for use with the insv.
4215 * config/i386/predicates.md (const8_operand): New predicate.
4216 * config/i386/i386.md (extv, extzv, insv): Use the new
4217 const8_operand predicate where appropriate.
4219 2006-04-25 DJ Delorie <dj@redhat.com>
4221 * doc/install.texi (Specific): Clarify that this is not a list of
4222 supported hosts or targets.
4224 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4226 PR rtl-optimization/26725
4227 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4228 block's BB_DIRTY flag.
4230 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4232 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4235 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4236 to print an integer.
4238 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4240 * varasm.c (align_variable): New function.
4241 (get_block_for_decl): Apply align_variable to DECL before
4242 calculating section information.
4243 (assemble_variable): Split out alignment computation.
4245 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4247 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4250 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4252 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4253 MODE_PARTIAL_INT mode.
4254 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4255 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4257 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4258 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4260 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4262 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4264 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4265 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4266 MACFLAG_IH): Likewise.
4267 (movstricthi_1): Renamed from "*movstricthi".
4268 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4269 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4270 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4271 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4272 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4273 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4274 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4275 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4276 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4277 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4278 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4279 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4280 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4281 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4282 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4284 * doc/rtl.texi (ss_ashift): Improve wording.
4286 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4288 * dwarf2out.c (verify_marks_clear): New.
4289 (prune_unused_types): Call verify_marks_clear initially, not
4292 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4294 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4295 * doc/rtl.texi: Document them.
4296 * simplify-rtx.c (simplify_unary_operation,
4297 simplify_binary_operation_1): Don't abort when we see them.
4299 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4302 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4303 * configure.ac: Completely disregard languages that are not
4305 * configure: Regenerated.
4307 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4308 Richard Guenther <rguenther@suse.de>
4310 PR tree-optimization/27236
4311 * tree-inline.c (copy_body_r): Make sure to copy
4312 TREE_THIS_VOLATILE flag.
4314 2006-04-24 Richard Guenther <rguenther@suse.de>
4317 * tree-complex.c (update_parameter_components): Don't handle
4318 unused parameters which have no default def.
4320 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4321 Richard Guenther <rguenther@suse.de>
4323 PR tree-optimization/27218
4324 * tree-inline.c (expand_call_inline): Strip useless type
4325 conversions for the return slot address.
4327 2006-04-24 Richard Guenther <rguenther@suse.de>
4329 * cfgloop.h (struct loops): Remove unused field array. Reorder
4331 (LOOP_PREFETCH): Remove.
4333 2006-04-24 Richard Guenther <rguenther@suse.de>
4335 PR tree-optimization/22525
4336 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4337 variable, adjust types of generated expressions.
4339 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4341 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4342 (tree-vect-patterns.o): Likewise.
4344 (cselib.o): Likewise.
4345 (loop-doloop.o): Likewise.
4346 (regclass.o): Likewise.
4347 (reload1.o): Likewise.
4348 (explow.o): Replace target.h with $(TARGET_H).
4349 (ipa-prop.o): Likewise.
4350 (ipa-cp.o): Likewise.
4351 (ipa-inline.o): Likewise.
4352 (reorg.o): Likewise.
4353 (reg-stack.o): Likewise.
4355 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4357 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4359 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4361 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4363 * configure.ac: Completely disregard languages that are not
4365 * configure: Regenerated.
4368 * c-common.h (c_build_bitfield_integer_type): Declare.
4369 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4370 * c-common.c (c_build_bitfield_integer_type): ... here.
4372 2006-04-23 Roger Sayle <roger@eyesopen.com>
4375 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4376 a SImode SUBREG of a floating point register after no_new_pseudos.
4378 2006-04-23 Roger Sayle <roger@eyesopen.com>
4380 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4381 identify potentially eliminable registers to additionally catch
4382 VIRTUAL_INCOMING_ARGS_REGNUM.
4383 (addsi3): Update the conditions on when to use addsi_small_int.
4385 2006-04-23 Roger Sayle <roger@eyesopen.com>
4388 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4389 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4390 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4392 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4394 * fold-const.c (range_predecessor): Use operand_equal_p
4395 as the predicate for equality.
4396 (range_successor): Likewise.
4398 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4401 * config/soft-fp/op-common.h: Fix a typo.
4403 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4406 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4407 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4409 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4411 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4413 * doc/tm.texi: Fix a typo.
4415 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4417 * dwarf2out.c (struct die_struct): Document that die_sib makes
4418 a circular linked list.
4419 (FOR_EACH_CHILD): New.
4420 (reverse_die_lists): Delete.
4421 (reverse_all_dies): Delete.
4422 (add_dwarf_attr): Correct documentation.
4423 (remove_child_with_prev): New.
4424 (remove_child_TAG): Update for change to die_struct, use
4425 remove_child_with_prev.
4426 (add_child_die): Update for change to die_struct.
4427 (splice_child_die): Use remove_child_with_prev and add_child_die.
4428 (print_die): Use FOR_EACH_CHILD.
4429 (die_checksum): Likewise.
4430 (assign_symbol_names): Likewise.
4431 (output_location_lists): Likewise.
4432 (build_abbrev_table): Likewise.
4433 (calc_die_sizes): Likewise.
4434 (mark_dies): Likewise.
4435 (unmark_dies): Likewise.
4436 (unmark_all_dies): Likewise.
4437 (output_die): Likewise.
4438 (prune_unused_types_mark): Likewise.
4439 (prune_unused_types_walk): Likewise.
4440 (same_die_p): Update for change to die_struct.
4441 (break_out_includes): Likewise.
4442 (prune_unused_types_prune): Likewise.
4443 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4444 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4446 (dwarf2out_finish): Don't call reverse_all_dies.
4448 2006-04-21 Eric Christopher <echristo@apple.com>
4450 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4451 in comments and function names.
4453 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4456 * c-typeck.c (digest_init): Robustify.
4458 * c-typeck.c (pop_init_level): Simplify.
4460 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4462 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4464 2006-04-21 Paul Brook <paul@codesourcery.com>
4466 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4467 hardware floating point.
4469 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4471 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4474 2006-04-21 Nick Clifton <nickc@redhat.com>
4476 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4479 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4482 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4483 C++ lang type in traceback table for Objective-C++.
4485 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4487 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4489 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4491 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4494 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4495 were errors. Remove check for erroneous objects.
4497 2006-04-20 Jeff Law <law@redhat.com>
4499 PR tree-optimization/26854
4500 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4501 checking for zero or one use.
4502 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4503 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4504 * tree-ssa-reassoc.c (negate_value): Similarly.
4505 (reassociate_bb): Similarly.
4507 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4509 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4510 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4511 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4513 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4515 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4516 fp regs if the last fp arg doesn't fit in regs.
4518 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4521 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4522 that the last insn has the REG_INC note.
4524 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4525 Nathan Sidwell <nathan@codesourcery.com>
4528 * stor-layout.c (update_alignment_for_field): Do not align
4530 (place_union_field): Place union field at the start of the union.
4531 (place_field): Move ERROR_MARK check later, and use the current
4532 allocation position to maintain monotonicity.
4534 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4536 * dominance.c: Include timevar.h.
4537 (calculate_dominance_info): Use TV_DOMINANCE.
4538 * timevar.def (TV_DOMINANCE): New timevar.
4539 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4541 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4543 PR rtl-optimization/14261
4544 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4545 move would be an INSV insn.
4546 (noce_process_if_block): Don't optimize if the destination is a
4547 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4549 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4551 * config/s390/s390.md: Add comments with the instructions emitted
4552 by an insn pattern if macros are used.
4554 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4556 PR rtl-optimization/26026
4557 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4558 is a known power of two shifted left a variable amount.
4560 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4562 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4563 to hash table twice when the debug_str section has SECTION_MERGE.
4565 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4567 * config/soft-fp: New directory. From glibc.
4568 * config/soft-fp/t-softfp: New.
4569 * config/soft-fp/README: New.
4570 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4571 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4572 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4573 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4574 * config.gcc: Use rs6000/t-fprules-fpbit or
4575 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4577 * config/rs6000/sfp-machine.h: New. Based on glibc.
4578 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4580 * config/rs6000/t-fprules: Remove fp-bit rules.
4581 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4582 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4583 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4584 (softfp_wrap_start, softfp_wrap_end): New.
4586 2006-04-18 DJ Delorie <dj@redhat.com>
4588 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4590 2006-04-18 Devang Patel <dpatel@apple.com>
4592 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4594 2006-04-18 Nick Clifton <nickc@redhat.com>
4596 * config/sh/t-symbian: Add rule to build sh-c.o
4597 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4598 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4599 (sh_symbian_encode_section_info): Likewise.
4601 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4603 * builtins.c (expand_builtin_strcmp): Cover label definition of
4604 do_libcall with HAVE_cmpstrnsi.
4606 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4608 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4610 * function.h (temp_slot_p): New.
4611 (function): Change the type of x_used_temp_slots to
4612 VEC(temp_slot_p,gc) *.
4614 2006-04-18 Nick Clifton <nickc@redhat.com>
4616 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4617 flag_strength_reduce.
4619 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4621 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4625 Partial revert of revision 112637
4626 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4627 Dale Johannesen <dalej@apple.com>
4630 * regclass.c (struct reg_pref): Update documentation.
4631 (regclass): Set prefclass to NO_REGS if memory is the best option.
4632 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4634 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4636 PR tree-optimization/26821
4637 * tree-ssa-math-opts.c (get_constant_one): New.
4638 (insert_reciprocals): Use it.
4640 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4642 * dwarf2out.c (free_AT): Delete.
4643 (remove_AT): Update string ref counts.
4644 (remove_child_TAG): Don't call free_die.
4646 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4647 or DW_TAG_GNU_EINCL.
4648 (prune_unused_types_walk_attribs): Reset string refcounts.
4649 (prune_unused_types_update_strings): New.
4650 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4651 call free_die. Do call prune_unused_types_update_strings.
4652 (prune_unused_types): Empty debug_str_hash.
4654 2006-04-17 Roger Sayle <roger@eyesopen.com>
4656 * expr.c (expand_assignment): Optimize away no-op moves where the
4657 source and destination are equal and have no side-effects.
4659 2006-04-17 Richard Guenther <rguenther@suse.de>
4662 * reload.c (push_reload): Guard calls to get_secondary_mem
4665 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4667 * alias.c (reg_base_value, old_reg_base_value): Change the
4668 type to VEC(rtx,gc) *.
4669 (REG_BASE_VALUE, find_base_value, record_set,
4670 init_alias_analysis): Use VEC instead of VARRAY.
4672 * alias.c (alias_sets): Change the type to
4673 VEC(alias_set_entry,gc) *.
4674 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4675 VEC instead of VARRAY.
4676 (last_alias_set): Remove.
4678 * cgraph.h (cgraph_edge_p): New.
4679 Update the prototype of cgraph_function_versioning.
4680 * cgraphunit.c (cgraph_copy_node_for_versioning,
4681 cgraph_function_versioning): Use VEC instead of VARRAY.
4682 * ipa-cp.c (ipcp_insert_stage): Likewise.
4684 2006-04-16 Roger Sayle <roger@eyesopen.com>
4687 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4688 "A op B" or "A op C", we may need to convert A to the type of B and C.
4690 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4692 * target.h (struct gcc_target): Add mode_rep_extended.
4693 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4694 (init_num_sign_bit_copies_in_rep): Initialize it using
4696 (truncate_to_mode): Use it.
4697 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4698 * targhooks.h (default_mode_rep_extended): Declare it.
4699 * targhooks.c (default_mode_rep_extended): Define it.
4700 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4701 default_mode_rep_extended.
4702 (TARGET_INITIALIZER): Include it.
4703 * doc/tm.texi (Misc): Document it.
4704 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4705 (mips_truncated_to_mode): New function.
4707 2006-04-16 Roger Sayle <roger@eyesopen.com>
4710 * expr.c (compress_float_constant): Copy the narrow constant into
4711 a new pseudo before extending it to its final width.
4713 2006-04-16 Roger Sayle <roger@eyesopen.com>
4714 Andrew Pinski <pinskia@gcc.gnu.org>
4715 Dale Johannesen <dalej@apple.com>
4718 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4719 special case code to implement V8HImode and V16QImode with SSE2.
4721 2006-04-15 Roger Sayle <roger@eyesopen.com>
4723 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4724 trees are constructed with a suitable tree type.
4726 2006-04-15 Roger Sayle <roger@eyesopen.com>
4728 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4729 (integer_onep): Likewise.
4730 (integer_all_onesp): Likewise.
4731 (integer_pow2p): Likewise.
4732 (integer_nonzerop): Likewise.
4733 (real_zerop): Likewise.
4734 (real_onep): Likewise.
4735 (real_twop): Likewise.
4736 (real_minus_onep): Likewise.
4737 (int_size_in_bytes): Likewise.
4738 (host_integerp): Likewise.
4740 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4742 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4743 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4744 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4746 * tree-ssa-structalias.h (alias_info): Remove num_references.
4748 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4750 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4751 (output_bvb patterns): Likewise.
4752 * pa.c (output_bb): Use 'bb' insn for long branch case.
4753 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4754 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4755 1. Correct length operand for alternatives 1 and 2.
4756 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4757 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4759 2006-04-14 Roger Sayle <roger@eyesopen.com>
4761 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4762 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4763 were accidentally reverted by r112959.
4765 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4768 * except.h (eh_region_outermost): New prototype.
4769 * except.c (eh_region_outermost): New function.
4770 * tree-cfg.c (find_outermost_region_in_block): Use it.
4772 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4774 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4776 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4777 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4778 (init_reload, reload): Use VEC instead of VARRAY.
4779 * reload.h: Update the prototype for
4780 reg_equiv_memory_loc_varray.
4782 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4783 Eric Botcazou <ebotcazou@libertysurf.fr>
4785 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4788 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4791 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4792 to expand fallback builtin function call.
4794 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4797 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4798 and emit libcall here in case the builtin fails.
4799 (expand_builtin_strcmp): Always emit the libcall here on failure.
4801 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4803 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4804 * flow.c (reg_n_info): Change the type to
4805 VEC(reg_info_p,heap) *.
4806 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4808 * regs.h (reg_info_p): New.
4809 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4810 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4811 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4814 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4816 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4818 * params.h (MAX_SCHED_READY_INSNS): New macro.
4819 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4820 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4821 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4822 the ready list for 1 cycle during the first scheduling pass.
4823 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4825 2006-04-13 Richard Henderson <rth@redhat.com>
4828 * gimple-low.c (lower_omp_directive): Remove dead code.
4829 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4830 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4831 * omp-low.c (struct omp_region): Move to tree-flow.h.
4832 (root_omp_region): Export.
4833 (omp_regions, lookup_omp_region): Remove.
4834 (determine_parallel_type): Update for struct omp_region changes.
4835 (dump_omp_region): Dump regions with block numbers.
4836 (new_omp_region): Take type and block instead of stmt; malloc
4838 (free_omp_region_1, free_omp_regions): New.
4839 (expand_parallel_call): Take entry_stmt as argument; update for
4840 changes to omp_region.
4841 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4842 (remove_exit_barriers): New.
4843 (expand_omp_parallel): Update for struct omp_region changes.
4844 (expand_omp_synch): Likewise.
4845 (expand_omp): Likewise.
4846 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4847 (expand_omp_for_static_chunk): Likewise.
4848 (expand_omp_for): Likewise.
4849 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4850 (expand_omp_sections): Similarly, with GOMP_sections_end.
4851 (expand_omp_single): New.
4852 (build_omp_regions_1): Update for OMP_CONTINUE.
4853 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4854 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4855 OMP_SECTIONS_SECTIONS.
4856 (lower_omp_single_simple): Don't emit barrier here.
4857 (lower_omp_single_copy): Likewise.
4858 (lower_omp_single): Fix bindings, and lower to straightline now.
4859 (lower_omp_master, lower_omp_ordered): Likewise.
4860 (lower_omp_critical): Likewise.
4861 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4862 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4863 omp edges, free it afterward.
4864 (make_omp_sections_edges): Remove.
4865 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4866 (move_stmt_r): Handle OMP_CONTINUE.
4867 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4868 statement pointers to basic blocks. Add type member.
4869 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4870 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4871 * tree-inline.c (estimate_num_insns_1): Likewise.
4872 * tree-pretty-print.c (dump_generic_node): Likewise.
4873 * tree-ssa-operands.c (get_expr_operands): Likewise.
4874 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4875 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4876 (OMP_CONTINUE): New.
4877 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4878 (OMP_SECTIONS_SECTIONS): Remove.
4879 (OMP_SECTION_LAST): New.
4880 (OMP_RETURN_NOWAIT): New.
4882 2006-04-13 Roger Sayle <roger@eyesopen.com>
4884 * fold-const.c (native_encode_vector, native_interpret_real):
4885 Correct obvious mistakes in the previous check-in.
4887 2006-04-13 Roger Sayle <roger@eyesopen.com>
4889 * fold-const.c (native_encode_expr): New function to encode
4890 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4891 or VECTOR_CST into a specified buffer.
4892 (native_encode_int): New function.
4893 (native_encode_real): New function.
4894 (native_encode_complex): New function.
4895 (native_encode_vector): New function.
4896 (native_interpret_expr): Inverse of native_encode_expr to convert
4897 a target representation into an INTEGER_CST, REAL_CST etc...
4898 (native_interpret_int): New function.
4899 (native_interpret_real): New function.
4900 (native_interpret_complex): New function.
4901 (native_interpret_vector): New function.
4902 (fold_view_convert_expr): New function to constant fold/evaluate
4903 a VIEW_CONVERT_EXPR of a suitable constant expression.
4904 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4905 Change call of build1 to fold_build1 when constructing a
4908 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4909 Ulrich Weigand <uweigand@de.ibm.com>
4912 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4915 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4918 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4919 optimize to lo_sum for DFmode if !TARGET_FPRS.
4921 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4923 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4924 delete_alias_info, compute_flow_sensitive_aliasing,
4925 group_aliases): Use VEC instead of VARRAY.
4926 * tree-ssa-structalias.c (update_alias_info): Likewise.
4927 * tree-ssa-structalias.h (alias_info): Change the type of
4928 processed_ptrs to VEC(tree,heap) *.
4930 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4933 * config/sh/lib1funcs.h: New file, broken out of:
4934 * config/sh/lib1funcs.asm.
4935 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4937 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4938 * config/sh/lib1funcs-Os-4-200.asm: New file.
4939 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4940 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4941 (EXTRA_MULTILIB_PARTS): Include it.
4942 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4943 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4944 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4945 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4948 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4950 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4951 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4952 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4954 * tree-ssa-live.h: Include vecprim.h.
4955 (tree_partition_associator_d): Change the type of
4956 first_partition to VEC(int,heap) *.
4957 (tpa_first_partition): Use VEC instead of VARRAY.
4959 * Makefile.in (GTFILES): Move functions.h after tree.h.
4960 * function.c (reset_block_changes, record_block_change,
4961 check_block_change, free_block_changes): Use VEC instead of
4963 * function.h (function): Change the type of
4964 ib_boundaries_block to VEC(tree,gc) *.
4965 * tree-inline.c (copy_cfg_body): Initialize
4966 ib_boundaries_block to NULL instead of (varray_type) 0.
4968 2006-04-12 Roger Sayle <roger@eyesopen.com>
4970 * expr.c (emit_group_store): Correct operand order in call to
4971 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4972 a SUBREG_BYTE of zero.
4974 2006-04-12 Richard Guenther <rguenther@suse.de>
4976 * profile.c (compute_branch_probabilities): Remove code
4977 encapsulated in !ir_type (), which are remanents of the
4978 removed RTL profiling code.
4979 * rtl-profile.c: Remove.
4981 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4983 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4984 magic NULL_RTX comment.
4985 (function_arg): Store entire fp arg to mem if any part should go
4987 (rs6000_arg_partial_bytes): Adjust for above change.
4989 2006-04-11 Roger Sayle <roger@eyesopen.com>
4991 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4992 if it hasn't been initialized by dwarf2out_init.
4994 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4996 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4997 symbolic constants in branch patterns.
4999 2006-04-11 Roger Sayle <roger@eyesopen.com>
5001 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5003 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5005 PR rtl-optimization/27073
5006 * gcse.c (try_replace_reg): Revert last change. Continue to search
5007 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5010 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5012 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5013 aggregate types other than record and union types.
5014 (function_arg): Likewise.
5015 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5017 (function_value): In 64-bit mode, return objects that require it
5020 2006-04-11 Roger Sayle <roger@eyesopen.com>
5022 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5024 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5026 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5028 2006-04-03 Jeff Law <law@redhat.com>
5031 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5032 alias information too.
5034 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5036 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5038 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5041 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5042 (premark_used_types_helper): New.
5043 (premark_used_types): New.
5044 (gen_subprogram_die): Call premark_used_types.
5045 (prune_unused_types_walk): Do not prune perennial dies.
5046 * function.c (used_types_insert): New.
5047 * function.h (struct function): Add used_types_hash field.
5048 (used_types_insert): Add prototype.
5049 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5050 * c-parser.c (c_parser_cast_expression): Save casted types in used
5053 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5056 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5057 rs6000_explicit_options.float_gprs.
5059 2006-04-10 Roger Sayle <roger@eyesopen.com>
5061 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5062 from ix86_expand_vector_init_low_nonzero. Take an additional
5063 one_var argument indicating which element is non-zero. Support
5064 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5065 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5066 with one_var instead of ix86_expand_vector_init_low_nonzero.
5068 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5070 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5071 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5072 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5073 build/genextract.o): Depend on vecprim.h.
5074 * cfglayout.c, df-problems.c, function.c, genextract.c,
5075 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5076 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5080 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5082 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5083 Declare VECs of this type.
5084 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5085 (remove_children): Delete.
5086 (add_dwarf_attr): Use VEC routines.
5087 (add_AT_flag): Update for changes to add_dwarf_attr.
5088 (add_AT_int): Likewise.
5089 (add_AT_unsigned): Likewise.
5090 (add_AT_long_long): Likewise.
5091 (add_AT_vec): Likewise.
5092 (add_AT_string): Likewise.
5093 (add_AT_die_ref): Likewise.
5094 (add_AT_fde_ref): Likewise.
5095 (add_AT_loc): Likewise.
5096 (add_AT_loc_list): Likewise.
5097 (add_AT_addr): Likewise.
5098 (add_AT_lbl_id): Likewise.
5099 (add_AT_lineptr): Likewise.
5100 (add_AT_macptr): Likewise.
5101 (add_AT_offset): Likewise.
5102 (add_AT_range_list): Likewise.
5103 (get_AT): Use VEC_iterate.
5104 (remove_AT): Use VEC_ordered_remove.
5105 (free_die): Fold remove_children into here; have it use VEC_iterate.
5106 (print_die): Use VEC_iterate on attrs.
5107 (reverse_die_lists): Don't reverse attr lists.
5108 (die_checksum): Use VEC_iterate on attrs.
5109 (same_die_p): Likewise.
5110 (output_location_lists): Likewise.
5111 (build_abbrev_table): Likewise.
5112 (size_of_die): Likewise.
5113 (unmark_all_dies): Likewise.
5114 (output_abbrev_section): Likewise.
5115 (output_die): Likewise.
5116 (prune_unused_types_walk_attribs): Likewise.
5118 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5120 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5122 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5125 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5127 2006-04-09 Roger Sayle <roger@eyesopen.com>
5129 * expr.c (store_constructor): Don't bother clearing target if
5130 we're about to assign a vector to it using vec_init_optab.
5132 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5134 * tree-ssa-alias.c (lhs_may_store_to): New function.
5135 (recalculate_used_alone): Handle LHS of calls.
5137 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5141 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5142 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5143 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5144 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5145 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5146 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5147 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5148 stubs. Add ".align 8" directives before all ".dword" directives.
5149 (GTHREAD_USE_WEAK): Revise comment.
5150 (TARGET_ATTRIBUTE_WEAK): Define.
5151 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5152 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5153 * stublib.c: New file.
5158 * pa.md (cbranch patterns): Revise arguments used in calls to
5159 output_cbranch, output_bb and output_bvd. Add long branch length
5161 (fbranch patterns): Handle long branches.
5162 (jump): Revise length check. Revise arguments for output_lbranch call.
5163 Add long branch length attributes.
5164 (decrement_and_branch_until_zero): Add long branch length attributes.
5165 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5166 Likewise. Revise arguments for output_parallel_addb and
5167 output_parallel_movb calls.
5168 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5169 output_parallel_movb and output_parallel_addb): Update prototypes.
5170 * pa.c (output_cbranch): Revise arguments. Correct handling of
5171 nullification in long branches.
5172 (output_lbranch): Add new argument to control extraction of delay
5174 (output_bb): Handle long branches.
5175 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5176 output_parallel_addb): Likewise.
5178 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5180 PR rtl-optimization/27073
5181 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5184 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5186 * tree.h (tree_memory_tag): Add old_used_alone.
5187 (SMT_OLD_USED_ALONE): New macro.
5188 * tree-ssa-alias.c (recalculate_used_alone): Stop
5189 marking things for renaming unnecessarily.
5191 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5193 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5194 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5195 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5196 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5197 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5198 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5199 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5200 spelling convensions.
5201 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5202 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5203 typos. Follow spelling conventions.
5205 2006-04-07 DJ Delorie <dj@redhat.com>
5207 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5208 passed on the stack.
5209 (m32c_init_cumulative_args): When a function returns a structure,
5210 always pass the pointer to that return area on the stack.
5211 (m32c_function_arg_advance): Don't increment the parameter number
5212 if we're processing the returned structure pointer.
5213 (pushm_info): Reverse order of registers.
5215 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5217 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5218 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5219 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5220 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5222 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5223 chrec_fold_multiply): Same.
5224 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5225 force_expr_to_var_cost): Same.
5226 * tree-mudflap.c (mf_xform_derefs_1): Same.
5227 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5229 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5231 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5232 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5235 2006-04-07 Jan Hubicka <jh@suse.cz>
5237 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5239 2006-04-07 Richard Guenther <rguenther@suse.de>
5241 PR tree-optimization/26135
5242 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5243 loads for store copy-prop.
5244 (copy_prop_visit_stmt): Likewise.
5246 2006-04-05 Robert Millan <robertmh@gnu.org>
5248 * config/i386/linux.h: Add a comment to mark macros that are
5249 being overriden in config/k*bsd-gnu.h.
5250 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5252 * config/knetbsd-gnu.h: Ditto.
5254 2006-04-06 Jan Hubicka <jh@suse.cz>
5258 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5261 2006-04-06 Mike Stump <mrs@apple.com>
5263 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5264 for HAVE_nonlocal_goto to be consistent.
5265 (expand_builtin_nonlocal_goto): Likewise.
5266 (expand_builtin_strcmp): Use #ifdef instead of #if
5267 for HAVE_cmpstrnsi to be consistent.
5269 2006-04-05 DJ Delorie <dj@redhat.com>
5271 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5274 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5276 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5277 got-relative addressing for anything but SImode.
5279 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5280 even if the calling function doesn't modify them.
5282 2006-04-05 Richard Guenther <rguenther@suse.de>
5284 PR tree-optimization/26919
5285 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5286 to cgraph_estimate_size_after_inlining.
5288 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5290 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5292 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5294 PR tree-optimization/26996
5295 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5296 VECTOR_TYPE variables.
5298 2006-04-05 Richard Guenther <rguenther@suse.de>
5300 PR tree-optimization/26763
5301 * fold-const.c (fold_comparison): Move folding of
5302 PTR + CST CMP PTR + CST ...
5303 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5305 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5307 * doc/install.texi (Prerequisites): Refine some wording on
5308 bootstrapping and ksh.
5309 Move the version numbers of DejaGnu here from the testing section
5310 and fix casing of names.
5311 Fix markup and clarify wording for autogen requirements.
5312 Refer to GCJ instead of just java.
5313 Refer to SVN instead of CVS.
5314 Describe diffutils as useful instead of necessary.
5315 (Downloading the source): Refer to SVN instead of CVS.
5316 Adjust a link to our web site accordingly.
5317 (Configuration): Fix casing of Bison.
5318 (Building): Refer to SVN instead of CVS.
5319 Fix a sentence on the use of Bison and remove duplicate (and
5320 incorrect) version number of Bison requirement.
5321 Remove one redundant list of packages needed for building.
5322 (Specific): Avoid reference to CVS.
5324 2006-04-04 Eric Christopher <echristo@apple.com>
5326 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5327 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5328 (rs6000_handle_struct_attribute): New.
5329 (rs6000_ms_bitfield_layout_p): Ditto.
5331 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5333 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5334 NULL for dso parameter to atexit_common.
5336 2006-04-04 Eric Christopher <echristo@apple.com>
5338 * config/i386/i386.c (machopic_output_stub): Output \t
5339 between instructions and operands.
5341 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5343 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5344 satisfies_constraint_[IL] to explicit tests on value.
5346 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5348 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5349 set_nb_iterations_in_loop): Use build_int_cst instead of
5351 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5352 build_int_cst instead of convert.
5354 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5356 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5357 new value 2 for incoming.
5358 * function.c (expand_function_start): Call struct_value_rtx
5360 * config/sparc/sparc.md: Comment updated_return.
5361 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5362 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5363 struct return if sparc_std_struct_return and incoming is 2.
5364 (print_operand): Do not adjust return if
5365 sparc_std_struct_return.
5367 2006-04-04 Roger Sayle <roger@eyesopen.com>
5369 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5370 convert in the middle-end.
5371 * expr.c (store_expr, store_constructor, get_inner_reference,
5372 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5374 * tree.c (build_range_type): Likewise.
5376 2006-04-04 Tom Tromey <tromey@redhat.com>
5378 * doc/install.texi (Prerequisites): Mention jar.
5380 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5382 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5385 2006-04-04 Matthias Klose <doko@debian.org>
5387 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5388 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5391 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5393 * doc/extend.texi (Function Attributes): Rewrite visibility
5394 attribute documentation.
5395 * doc/invoke.texi (C++ Dialect Options): Rewrite
5396 -fvisibility-inlines-hidden documentation to describe something
5397 entirely different, although in practise compatible.
5398 (Code Gen Options): Warn about system headers in -fvisibility=
5401 * doc/extend.texi (Other Builtins): Document that
5402 __builtin_nan is a compile-time constant only when its argument
5405 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5407 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5408 trying to remove TRUNCATE check if all bits outside the new mode
5409 are identical to the sign bit.
5411 2006-04-03 Jeff Law <law@redhat.com>
5413 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5414 and operand scanning in some common cases.
5416 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5417 Dale Johannesen <dalej@apple.com>
5420 * regclass.c (struct reg_pref): Update documentation.
5421 (regclass): Set prefclass to NO_REGS if memory is the best option.
5422 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5423 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5424 into account. For non-registers, equate an empty preferred
5425 reload class to a `!' in the constraint; move the if clause to
5426 do so after those that reject the insn.
5427 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5429 (find_dummy_reload): Likewise.
5430 * doc/tm.texi (Register Classes): Document what it means
5431 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5432 * config/i386/i386.c (ix86_preferred_reload_class): Force
5433 using SSE registers (and return NO_REGS for floating-point
5434 constants) if math is done with SSE.
5435 (ix86_preferred_output_reload_class): New.
5436 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5437 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5438 * config/i386/i386.md: Remove # register preferences.
5440 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5443 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5444 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5445 the type of nb_iter.
5446 (instantiate_parameters_1): Convert the operands before calling
5447 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5448 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5450 2006-04-02 Roger Sayle <roger@eyesopen.com>
5452 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5453 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5455 * dojump.c (do_jump): Likewise.
5456 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5457 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5458 gimplify_boolean_expr): Likewise.
5459 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5460 * varasm.c (array_size_for_constructor): Likewise.
5461 * tree-object-size.c (compute_object_offset): Likewise.
5463 2006-04-02 Roger Sayle <roger@eyesopen.com>
5466 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5467 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5469 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5471 PR tree-optimization/26939
5472 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5474 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5476 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5477 at_stmt. Convert the type of operands before calling
5478 build_polynomial_chrec.
5479 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5481 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5482 (instantiate_parameters_1): Convert the type of operands before calling
5483 build_polynomial_chrec.
5484 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5485 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5486 reset_evolution_in_loop): Insert asserts to check the types of the
5488 (chrec_type): Moved...
5489 (eq_evolutions_p): Use operand_equal_p.
5490 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5491 the types of the operands.
5492 (chrec_type): ...here.
5493 * tree-data-ref.c (create_data_ref): Convert the operands before
5494 calling chrec_replace_initial_condition.
5495 (same_access_functions, analyze_subscript_affine_affine,
5496 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5497 (compute_subscript_distance, analyze_ziv_subscript,
5498 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5499 analyze_miv_subscript): Convert the operands before calling
5500 chrec_fold_minus or chrec_fold_plus.
5502 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5504 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5505 the dependence_relations vector.
5506 (compute_data_dependences_for_loop): Adjust call to
5507 compute_all_dependences.
5509 2006-04-01 Roger Sayle <roger@eyesopen.com>
5510 Richard Henderson <rth@redhat.com>
5512 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5513 gimple_boolify on the condition before calling gimplify_expr.
5515 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5517 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5518 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5519 the frame size. Update to use the new macros.
5520 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5521 * config/xtensa/ieee754-df.S: Likewise.
5523 2006-03-31 Richard Henderson <rth@redhat.com>
5525 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5526 (make_edges): ... here. Control fallthru creation with a local
5527 variable. Do not play with fake edges.
5528 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5529 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5532 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5534 * dwarf2.h (DW64_CIE_ID): Define.
5535 * dwarf2out.c (DWARF_CIE_ID): Define.
5536 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5537 length header. Use DWARF_CIE_ID.
5538 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5539 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5541 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5543 * config/sh/linux-atomic.asm: New file.
5544 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5546 2006-03-31 DJ Delorie <dj@redhat.com>
5548 * config/m32c/cond.md: Set condition flags properly throughout.
5549 * config/m32c/minmax.md: Likewise.
5550 * config/m32c/prologue.md: Likewise.
5551 * config/m32c/bitops.md: Likewise.
5552 * config/m32c/muldiv.md: Likewise.
5553 * config/m32c/mov.md: Likewise.
5554 * config/m32c/addsub.md: Likewise.
5555 * config/m32c/m32c.md: Likewise.
5556 * config/m32c/jump.md: Likewise.
5557 * config/m32c/shift.md: Likewise.
5559 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5560 conditionally output the pattern for this.
5561 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5562 (m32c_compare_redundant): New.
5563 (m32c_output_compare): New.
5564 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5566 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5567 dest, not src. Allow other 4-byte modes.
5569 2006-03-30 Denis Chertykov <denisc@overta.ru>
5571 * doc/md.texi: Refer to avr/constraints.md instead of
5574 2006-03-30 Roger Sayle <roger@eyesopen.com>
5576 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5577 signed vs. unsigned comparison failures on some hosts.
5579 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5582 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5583 change to FLOAT_REGS.
5585 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5586 (rs6000_override_options): Use it.
5587 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5588 only for -mabi=spe/no-spe and -mabi=altivec.
5590 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5592 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5595 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5597 * Makefile.in: Rename docdir to gcc_docdir.
5599 2006-03-30 Roger Sayle <roger@eyesopen.com>
5602 * expr.c (emit_group_store): Optimize group stores into a pseudo
5603 register by using a paradoxical subreg to initialize the destination
5604 if the first or last member of the group specifies a "low part".
5606 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5609 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5610 * target.h (struct gcc_target.speculate_insn): Change type of the
5611 second parameter to 'int'.
5612 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5613 the second operand of the DEPS_LIST.
5614 (copy_DEPS_LIST_list): Update reference to the second operand of the
5616 * rtl.h (alloc_DEPS_LIST): Update signature.
5617 * sched-int.h (ds_t): Change typedef to 'int'.
5618 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5620 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5622 * haifa-sched.c (try_ready): Change condition to restore
5623 non-speculative pattern of the instruction.
5624 (process_insn_depend_be_in_spec): Code to keep probability of the
5625 speculative dependence non-decreasing.
5627 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5629 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5630 (single_move_for_movmem): ... this. Also change all uses.
5631 (bfin_expand_strmov): Renamed to...
5632 (bfin_expand_movmem): ... this. Also change all uses.
5633 * config/bfin/bfin.md (movstrsi): Renamed to...
5634 (movstrsi): ...this.
5636 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5638 PR tree-optimization/26830
5640 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5641 (copy_prop_visit_stmt): Remove write-only variable ann.
5642 (init_copy_prop): Check variable loop depth here. Do not simulate
5643 memory-tag and virtual operand PHIs except for store copy prop.
5645 2006-03-30 Richard Guenther <rguenther@suse.de>
5647 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5648 variants with double arguments.
5650 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5652 * genpreds.c (write_tm_constrs_h): Delete variable p.
5653 * genconditions.c (write_header): Add tm-constrs.h to included
5655 * genpeep.c (main): Add toplev.h to included headers.
5656 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5657 (build/genpeep.o): Add toplev.h dependency.
5658 * config/rs6000/constraints.md: Add "W" constraint.
5660 2006-03-29 Roger Sayle <roger@eyesopen.com>
5662 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5663 sizes by correctly testing whether the size fits a host integer.
5664 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5665 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5666 SImode range for the default sizetype and bitsizetype.
5668 2006-03-29 Roger Sayle <roger@eyesopen.com>
5670 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5671 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5672 quickly if the argument is already of the correct type.
5673 Call fold_build1 instead of build1. Tidy up blank lines.
5675 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5677 * genemit.c (main): Add tm-constrs.h to included headers.
5678 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5679 * genpeep.c (main): Add tm-constrs.h to included headers.
5680 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5681 (write_tm_constrs_h): this and write complete file.
5682 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5683 (write_insn_preds_c): Add tm-constrs.h to included headers.
5684 (gen_constrs): New variable.
5685 (parse_option): Parse "-c".
5686 (main): Invoke write_tm_constrs_h.
5687 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5688 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5689 (object_out_file): Add tm-constrs.h dependency.
5690 (insn-emit.o): Same.
5691 (insn-output.o): Same.
5692 (insn-peep.o): Same.
5693 (insn-preds.o): Same.
5694 (insn-recog.o): Same.
5695 (tm-constsr.h): New target.
5696 (s-constrs-h): New target.
5698 * config/rs6000/constraints.md: New file.
5699 * config/rs6000/rs6000.c: Include tm-constrs.h.
5700 (num_insn_constant_wide): Convert to satisfies_constraint.
5701 (rs6000_rtx_costs): Convert to satisfies_constraint.
5702 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5703 (CONST_OK_FOR_LETTER_P): Delete.
5704 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5705 (EXTRA_CONSTRAINT): Delete.
5706 (EXTRA_MEMORY_CONSTRAINT): Delete.
5707 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5708 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5709 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5710 satisfies_constraint.
5712 * config/i386/i386.c: Include tm-constrs.h.
5714 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5716 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5717 * tree-data-ref.c (find_data_references_in_loop,
5718 compute_data_dependences_for_loop): Use pointers to VEC.
5719 (analyze_all_data_dependences): Adjust calls.
5720 * tree-data-ref.h (find_data_references_in_loop,
5721 compute_data_dependences_for_loop): Adjust declarations.
5722 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5723 compute_data_dependences_for_loop.
5725 2006-03-29 Paul Brook <paul@codesourcery.com>
5727 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5730 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5732 PR tree-optimization/26859
5733 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5735 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5736 for the step after fold_convert.
5738 2006-03-29 Paul Brook <paul@codesourcery.com>
5740 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5741 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5743 2006-03-29 Paul Brook <paul@codesourcery.com>
5746 * targhooks.c (default_narrow_bitfield): New fuction.
5747 * targhooks.h (default_narrow_bitfield): add prototype.
5748 * target.h (gcc_target): Add narrow_volatile_bitfield.
5749 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5750 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5751 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5752 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5754 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5756 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5758 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5759 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5760 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5761 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5762 (s390_function_arg_float): Allow SDmode and DDmode values to be
5763 passed in floating point registers.
5764 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5765 check with SCALAR_FLOAT_MODE_P.
5766 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5768 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5770 PR tree-optimization/25985
5771 * tree-ssa-loop-niter.c (number_of_iterations_le,
5772 number_of_iterations_ne): Make comments more precise.
5773 (number_of_iterations_cond): Add only_exit argument. Use the
5774 fact that signed variables do not overflow only when only_exit
5776 (loop_only_exit_p): New.
5777 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5778 number_of_iterations_cond.
5780 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5782 PR tree-optimization/26643
5783 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5786 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5788 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5789 (divsi3_i4_int): Likewise.
5791 2006-03-28 Roger Sayle <roger@eyesopen.com>
5793 * expr.c (emit_group_store): Only create a new pseudo reg if the
5794 quantity it needs to hold isn't already a suitable pseudo.
5796 2006-03-28 Jeff Law <law@redhat.com>
5798 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5799 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5801 2006-03-28 Roger Sayle <roger@eyesopen.com>
5803 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5804 the equivalent ~X & Y, and the symmetry related transformations.
5805 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5806 ~X & Y, and symmetry related transforms.
5808 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5810 Revert my 2006-03-27 patches.
5812 2006-03-28 Roger Sayle <roger@eyesopen.com>
5814 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5815 ~(T1)X, when T1 and T2 are integer types of the same precision
5816 and (T2)X isn't an extension.
5818 2006-03-28 Jeff Law <law@redhat.com>
5820 PR tree-optimization/26796
5821 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5822 need EH edge cleanups rather than purging them immediately.
5823 (eliminate_degenerate_phis): Handle queued EH cleanups.
5825 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5827 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5830 2006-03-27 Roger Sayle <roger@eyesopen.com>
5833 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5834 cast BIT_NOT_EXPR operand to the correct type.
5836 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5838 * tree-loop-linear.c: Don't include varray.h.
5839 (gather_interchange_stats, try_interchange_loops,
5840 linear_transform_loops): Use VEC instead of VARRAY.
5841 * lambda-mat.c: Don't include varray.h.
5842 * tree-chrec.c: Same.
5843 * lambda-trans.c: Same.
5844 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5845 VEC instead of VARRAY.
5846 * tree-vectorizer.h: Idem.
5847 * tree-data-ref.c (dump_data_references,
5848 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5849 initialize_data_dependence_relation, finalize_ddr_dependent,
5850 compute_all_dependences, find_data_references_in_loop,
5851 compute_data_dependences_for_loop, analyze_all_data_dependences,
5852 free_dependence_relation, free_dependence_relations,
5853 free_data_refs): Idem.
5854 * tree-data-ref.h (data_reference_p, subscript_p): New.
5855 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5856 VEC instead of VARRAY.
5857 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5858 (find_data_references_in_loop, compute_data_dependences_for_loop,
5859 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5860 dump_data_dependence_relations, free_dependence_relations,
5861 free_data_refs): Adjust declaration.
5862 (lambda_transform_legal_p): Move declaration here...
5863 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5864 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5865 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5866 vect_analyze_data_refs): Use VEC instead of VARRAY.
5867 * lambda.h (lambda_transform_legal_p): ...from here.
5868 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5869 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5870 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5871 tree-chrec.o): Don't depend on VARRAY_H.
5873 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5875 * rtl.def (Copyright): Update date.
5876 (DEPS_LIST): Change type of the second operand to 'int'.
5877 * target.h (Copyright): Update date.
5878 (struct gcc_target.speculate_insn): Change type of the second parameter
5880 * lists.c (Copyright): Update date.
5881 (alloc_DEPS_LIST): Change signature. Update reference to the second
5882 operand of the DEPS_LIST.
5883 (copy_DEPS_LIST_list): Update reference to the second operand of the
5885 * rtl.h (Copyright): Update date.
5886 (alloc_DEPS_LIST): Update signature.
5887 * sched-int.h (Copyright): Update date.
5888 (ds_t): Change typedef to 'int'.
5889 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5891 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5893 * haifa-sched.c (Copyright): Update date.
5894 (try_ready): Change condition to restore non-speculative pattern
5896 (process_insn_depend_be_in_spec): Code to keep probability of the
5897 speculative dependence non-decreasing.
5899 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5901 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5902 shut up the compiler.
5904 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5906 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5907 to use lib prefix for target.
5908 ($(T)libic_invalidate_array_4-200.a): Likewise.
5909 ($(T)libic_invalidate_array_4a.a): Likewise.
5911 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5912 J"orn Rennecke <joern.rennecke@st.com>
5914 * superh.opt: New file.
5915 * sh.c (boardtype, osruntime): Remove.
5916 * superh.h (SUBTARGET_OPTIONS): Remove.
5917 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5919 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5920 arguments with ^ and/or [].
5922 * config.gcc (sh-*-*): Add quoting to account for quirk of
5924 Replace == with = in enable_incomplete_targets test.
5926 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5927 with MASK_LITTLE_ENDIAN.
5929 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5930 * config/sh/sh.opt: Added to some comments.
5931 * config/sh/superh.h: Removed some chaff.
5933 * config/sh/sh.opt: Add m4-[1234]00* options.
5934 * config/sh/sh.c (sh_handle_option): Likewise.
5935 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5936 (ic_invalidate_array_4-100.o): New rule.
5937 ($(T)libic_invalidate_array_4-100.a): Likewise.
5938 (ic_invalidate_array_4-200.o): Likewise.
5939 ($(T)libic_invalidate_array_4-200.a): Likewise.
5940 (ic_invalidate_array_4a.o): Likewise.
5941 ($(T)libic_invalidate_array_4a.a): Likewise.
5942 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5943 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5945 * config/sh/crt1.asm: Merged in profiling code.
5946 * config/sh/superh.h (STARTFILE_SPEC): Override.
5947 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5948 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5949 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5951 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5952 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5953 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5955 * sh.opt (mpretend-cmove): New option.
5956 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5957 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5958 (movsicc): Add TARGET_PRETEND_CMOVE code.
5960 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5962 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5963 s390_class_max_nregs): New function prototypes.
5964 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5965 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5966 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5967 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5969 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5971 * dwarf2out.c (add_location_or_const_value_attribute): Call
5972 tree_add_const_value_attribute if nothing else works.
5973 (reference_to_unused): New.
5974 (rtl_for_decl_init): Use reference_to_unused to decide whether
5975 to output an initializer.
5977 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5980 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5981 peephole removing spe frob_di_df_2.
5983 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5985 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5986 (subscript_dependence_tester_1): Declared.
5987 (print_dir_vectors, print_dist_vectors): New.
5988 (debug_data_dependence_relation): New.
5989 (dump_data_dependence_relation): Print more details.
5990 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5991 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5992 (save_dist_v, save_dir_v, add_outer_distances,
5993 build_classic_dist_vector_1): New.
5994 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5995 Don't test for lambda_vector_lexico_pos.
5996 (same_access_functions, add_multivariate_self_dist,
5997 add_other_self_distances, dir_from_dist): New.
5998 (build_classic_dir_vector): Replace implementation almost identical to
5999 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6001 (subscript_dependence_tester_1): New.
6002 (subscript_dependence_tester): Handle the lexicographically negative
6003 distance vectors by recomputing the dependence relation.
6004 (compute_affine_dependence): Remove parameter loop_nest_depth.
6005 (compute_self_dependence): Don't call compute_subscript_distance.
6006 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6007 Add a parameter for the loop_nest.
6008 (find_loop_nest_1, find_loop_nest): New.
6009 (compute_data_dependences_for_loop): Compute the loop nest, and give
6010 up if the nest is not well formed.
6011 * tree-data-ref.h (loop_p): New.
6012 (struct data_dependence_relation): Replace size_vect field with
6013 loop_nest, a vec of loops.
6014 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6015 (DDR_LOOP_NEST): New.
6016 (print_dir_vectors, print_dist_vectors,
6017 debug_data_dependence_relation): Declared.
6018 (index_in_loop_nest): New.
6019 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6020 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6023 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6025 * simplify-rtx.c (simplify_relational_operation): Call
6026 simplify_relational_operation_1 even if mode is VOIDmode.
6028 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6030 PR tree-optimization/26804
6031 * tree.h (DECL_CALL_CLOBBERED): New macro.
6032 (tree_decl_common): Add call_clobbered_flag.
6033 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6034 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6035 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6036 (mark_non_addressable): Ditto.
6037 * tree-ssa.c (verify_call_clobbered): New function.
6038 (verify_alias_info): Use it.
6039 * tree-pass.h (pass_reset_cc_flags): New prototype.
6040 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6041 (reset_cc_flags): New function.
6042 * passes.c (init_optimization_passes): Call reset_cc_flags after
6043 initializing referenced_vars.
6045 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6046 Roger Sayle <roger@eyesopen.com>
6049 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6050 to 1.0 for non-real operands. Implement A / A optimization for
6053 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6055 * config/i386/i386.c (size_cost): Correct the comment for
6056 cost of storing fp registers.
6057 (i386_cost): Likewise.
6058 (i486_cost): Likewise.
6059 (pentium_cost): Likewise.
6060 (pentiumpro_cost): Likewise.
6061 (k6_cost): Likewise.
6062 (athlon_cost): Likewise.
6063 (k8_cost): Likewise.
6064 (pentium4_cost): Likewise.
6065 (nocona_cost): Likewise.
6066 (generic64_cost): Likewise.
6067 (generic32_cost): Likewise.
6069 2006-03-24 Denis Chertykov <denisc@overta.ru>
6071 * config/avr/avr-protos.h (extra_constraint): Delete.
6072 (extra_constraint_Q): New declaration.
6073 * config/avr/constraints.md: New file.
6074 * config/avr/avr.md: Include it.
6075 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6076 (TMP_REGNO, ZERO_REGNO): Likewise.
6077 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6078 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6079 (extra_constraint): Delete.
6080 (extra_constraint_Q): Test for memory constraint 'Q'.
6081 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6082 (REG_CLASS_FROM_LETTER): Delete.
6083 (CONST_OK_FOR_LETTER_P): Delete.
6084 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6085 (EXTRA_CONSTRAINT): Delete.
6086 (TMP_REGNO): Delete.
6087 (ZERO_REGNO): Delete.
6089 2006-03-24 Jeff Law <law@redhat.com>
6091 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6092 directly. Call mark_new_vars_to_rename slightly earlier.
6094 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6096 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6098 (gen_compile_unit_die): Use new language types for Objective-C and
6100 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6101 DW_LANG_C_plus_plus.
6104 * config/t-darwin (crt3.o): Work around bug 26840.
6105 * config/darwin-crt3.c: Rewrite.
6106 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6108 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6110 * doc/invoke.texi: Document -femit-class-debug-always
6111 * common.opt: Add -femit-class-debug-always.
6113 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6115 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6116 index and base register.
6117 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6118 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6119 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6120 REGNO_OK_FOR_INDEX_P.
6121 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6123 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6124 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6125 REG_OK_FOR_BASE_P): Definitions removed.
6127 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6130 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6131 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6132 set yet or weren't marked as local yet.
6134 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6136 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6139 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6141 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6142 (rs6000_legitimate_small_data_p): Delete.
6143 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6144 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6145 and make static. Add forward declaration. Update uses.
6146 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6147 of offsettable_memref_p.
6148 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6149 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6151 2006-03-24 Jeff Law <law@redhat.com>
6153 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6154 around bug in immediate-use iterator.
6156 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6159 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6160 or __LITTLE_ENDIAN__.
6162 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6164 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6165 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6166 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6167 * config/sh/sh.opt (mdiv=): Amend description.
6168 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6169 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6170 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6171 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6172 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6173 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6174 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6175 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6176 TARGET_DIVIDE_CALL_FP.
6178 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6180 * haifa-sched.c (choose_ready): Fix type of the local variable.
6181 Move local variables. Add comment.
6182 (check_reg_live): Change signature. Make callable from debugger.
6183 * sched-int.h (check_reg_live): Update signature.
6184 * sched-ebb.c (check_reg_live): Update parameters.
6185 * sched-rgn.c (check_reg_live): Ditto.
6186 (region_head_or_leaf_p): Check pointer before dereferencing.
6187 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6188 before reload on optimization levels below 1.
6190 2006-03-23 Richard Henderson <rth@redhat.com>
6192 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6196 * config/alpha/predicates.md (local_symbolic_operand): Reject
6199 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6202 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6203 expressions which have overflowed constants.
6205 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6207 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6209 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6211 * cfgloopmanip.c (create_loop_notes): Removed.
6212 * final.c (final_scan_insn): Do not handle loop notes.
6213 * jump.c (squeeze_notes): Ditto.
6214 * cfglayout.c (skip_insns_after_block,
6215 duplicate_insn_chain): Ditto.
6216 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6218 * cfgloop.h (create_loop_notes): Declaration removed.
6220 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6222 * varasm.c (output_constant_pool): Restore fnname and fndecl
6224 (assemble_start_function): Adjust call accordingly.
6225 (assemble_end_function): Likewise.
6227 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6230 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6233 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6235 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6238 * system.h (ICE_EXIT_CODE): New macro.
6239 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6240 (diagnostic_action_after_output): Likewise.
6241 * gcc.c (fatal_ice): New function.
6242 (execute): Use it instead of fatal.
6243 (fancy_abort): Likewise.
6244 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6246 2006-03-22 Jeff Law <law@redhat.com>
6248 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6249 iv_analyze_result returning false.
6251 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6253 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6255 2006-03-22 Richard Henderson <rth@redhat.com>
6258 * except.c (duplicate_eh_regions_0): New.
6259 (duplicate_eh_region_1): Duplicate the children of the node as
6260 well as the node itself. Link them up properly.
6261 (duplicate_eh_region_2): Merge into ...
6262 (duplicate_eh_regions): ... here. Take copy_region argument, and
6263 copy only a sub-tree if asked. Simplify copying and fixup.
6264 (eh_region_outer_p): New.
6265 * except.h (duplicate_eh_regions): Update decl.
6266 (eh_region_outer_p): Declare.
6267 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6268 (lower_omp_master): Likewise.
6269 (lower_omp_ordered): Likewise.
6270 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6271 (move_stmt_r): Use it to remap labels. Handle recursion vs
6272 remap_decls_p properly.
6273 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6274 (find_outermost_region_in_block): New.
6275 (new_label_mapper): New.
6276 (move_sese_region_to_fn): Copy eh information to the new function
6278 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6280 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6283 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6285 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6286 into shared libraries.
6288 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6290 * doc/md.texi: Refer to i386/constraints.md instead of
6292 * config/i386/constraints.md: New file, extracted from...
6293 * config/i386/predicates.md: ...here.
6294 * config/i386/i386.md: Include constraints.md.
6296 2006-03-21 Jason Merrill <jason@redhat.com>
6298 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6301 * expr.c (init_block_move_fn): Force default visibility.
6302 (init_block_clear_fn): Likewise.
6303 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6304 * targhooks.c (default_external_stack_protect_fail): Likewise.
6306 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6308 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6309 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6310 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6311 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6312 (loadgp): Use mips_current_loadgp_style.
6313 (loadgp_noshared): New pattern.
6314 (sibcall_internal): Use MIPS_CALL.
6315 (sibcall_value_internal): Likewise.
6316 (sibcall_value_multiple_internal): Likewise.
6317 (call_internal): Likewise.
6318 (call_value_internal): Likewise.
6319 (call_value_multiple_internal): Likewise.
6320 (call_split): Use MIPS_CALL and add an 'S' constraint.
6321 (call_value_split): Likewise.
6322 (call_value_multiple_split): Likewise.
6323 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6324 (-mshared): New option.
6325 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6326 (mips_current_loadgp_style): Declare.
6327 * config/mips/mips.c (mips_classify_symbol): Avoid using
6328 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6329 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6330 TARGET_ABSOLUTE_ABICALLS.
6331 (override_options): Adjust comments. Improve the warning that is
6332 issued when -mabicalls and -G are used together.
6333 (mips_file_start): Remove comment.
6334 (mips_current_loadgp_style): New function.
6335 (mips_gnu_local_gp): New variable.
6336 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6338 (mips_output_function_prologue): Use mips_current_laodgp_style.
6339 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6340 the cprestore instruction.
6341 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6342 live for TARGET_ABSOLUTE_ABICALLS.
6343 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6344 (ASM_SPEC): Pass down -mshared and -mno-shared.
6345 (MIPS_CALL): New macro.
6346 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6348 * doc/invoke.texi (-mabicalls): Update documentation.
6349 (-mshared): Document.
6351 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6353 * config/ia64/unwind-hpux.c: New file.
6354 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6356 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6359 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6361 2006-03-21 Jeff Law <law@redhat.com>
6363 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6364 type conversions of a VR_VARYING source to a wider type.
6366 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6368 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6369 tm_file on Solaris 10 and later.
6370 (sparc64-*-solaris2*): Likewise.
6371 (sparc-*-solaris2*): Likewise.
6372 * config/sol26.h: Rename to config/sol2-6.h.
6373 * config/sol2-10.h: New file.
6375 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6378 * tree-ssa-pre.c (create_component_ref_by_pieces):
6381 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6384 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6385 return it immediately.
6387 2006-03-21 Michael Matz <matz@suse.de>
6389 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6391 (remove_arc, add_arc): Update num_out_arcs member.
6392 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6394 (cache_presence): New function.
6395 (compare_states_for_equiv): New function.
6396 (state_is_differed): Don't take number of outargs, adjust callers.
6397 Use new invariant for speeding up.
6398 (init_equiv_class): Create initial classes based on sorted
6400 (partition_equiv_class): Don't track out_arcs_num.
6401 (evaluate_equiv_classes): Call cache_presence on all states and
6404 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6406 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6407 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6408 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6409 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6411 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6412 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6413 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6414 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6415 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6417 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6418 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6419 (REGNO_REG_CLASS): ARGP is in PREGS.
6420 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6422 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6423 to deal with those addresses.
6424 * addresses.h: New file.
6425 * caller-save.c: Include "addresses.h".
6426 (init_caller_save): Use new base_reg_class function.
6427 * rtl-factoring.c: Include "addresses.h".
6428 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6429 * recog.c: Include "addresses.h".
6430 (preprocess_constraints): Use new base_reg_class function.
6431 * regrename.c: Include "addresses.h".
6432 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6433 functions. Keep track of a new var INDEX_CODE to compute valid
6435 (replace_oldest_value_addr): Likewise.
6436 (replace_oldest_value_mem): Use base_reg_class.
6437 * reload.c: Include "addresses.h".
6438 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6439 (find_reloads): Use new base_reg_class function.
6440 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6441 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6442 all callers and prototype changed.
6443 * reload1.c: Include "addresses.h".
6444 (maybe_fix_stack_asms): Use base_reg_class.
6445 * regclass.c: Include "addresses.h".
6446 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6447 (init_reg_autoinc): Use new base_reg_class function.
6448 (record_reg_classes): Likewise.
6449 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6450 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6451 Use new args to compute necessary class.
6453 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6454 regrename.o, rtl-factoring.o): Update dependencies.
6455 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6456 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6457 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6458 REG_OK_FOR_INDEX_P): Delete documentation.
6460 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6462 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6463 from V7 to V9 for Solaris 7 and above.
6465 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6467 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6468 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6469 argument pointers may not alias any other storage.
6470 * common.opt: Define option -fargument-noalias-anything.
6471 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6472 alias semantics is specified by flag_argument_noalias > 2.
6474 2006-03-20 Jeff Law <law@redhat.com>
6476 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6477 (pass_phi_only_cprop): Declare.
6478 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6480 * tree-ssa-dom.c (degenerate_phi_result): New function.
6481 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6482 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6483 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6484 (eliminate_degenerate_phis): Likewise.
6485 (pass_phi_only_cprop): New pass descriptor.
6486 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6487 support code. Callers updated.
6488 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6489 (store_copy_prop): Likewise.
6490 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6492 2006-03-20 Jason Merrill <jason@redhat.com>
6495 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6496 (push_visibility, pop_visibility): Likewise.
6497 * c-pragma.h: Declare them.
6499 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6501 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6503 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6504 parameter and use get_ebb_head_tail.
6505 (sh_md_init_global): Adjust uses of find_regmode_weight.
6507 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6509 * function.h (struct function) <x_tail_recursion_reentry>:
6510 Rename to x_stack_check_probe_note.
6511 (tail_recursion_reentry): Rename to stack_check_probe_note.
6512 * function.c: Replace tail_recursion_reentry with
6513 stack_check_probe_note everywhere.
6514 (expand_function_start): Only emit a note for
6515 stack_check_probe_note with -fstack-protect.
6516 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6518 * emit-rtl.c (remove_unnecessary_notes): Remove.
6519 (pass_remove_unnecessary_notes): Remove.
6520 * rtl.h (remove_unnecessary_notes): Remove prototype.
6521 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6522 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6523 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6525 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6528 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6529 (valid_in_set): Handle ARRAY_REF.
6530 Change "if min_variant or VH" to asserts.
6531 (create_component_ref_by_pieces): Handle ARRAY_REF.
6532 (create_expression_by_pieces): Likewise.
6533 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6535 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6537 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6538 is operand of switch, not str[0].
6540 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6542 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6543 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6545 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6547 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6548 end of insn_extra_address_constraint declaration.
6550 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6552 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6553 (no-sum-in-toc): Same.
6554 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6556 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6557 NO_FP_IN_TOC for -fPIC instead of mask.
6559 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6560 (BOOT_LDFLAGS): Delete.
6562 * config/rs6000/t-aix52: Same.
6564 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6565 (stmsi[345678]_power): New.
6567 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6569 * config/ia64/ia64.opt: Add empty line to end of file.
6571 2006-03-17 Richard Guenther <rguenther@suse.de>
6574 * builtins.c (get_pointer_alignment): For component style references
6575 adjust alignment to the component type alignment. Make sure
6576 to adjust alignment for component access of constants.
6578 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6580 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6583 2006-03-17 Paul Brook <paul@codesourcery.com>
6585 * doc/install.texi: Docuemnt --with-mode.
6586 * config.gcc: Add --with-mode for arm*-*-*.
6587 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6589 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6591 * sh.c (max_labelno_before_reorg): New variable.
6592 (sh_reorg): Initialize it.
6593 (find_barrier): Check max_labelno_before_reorg before using
6594 label_to_alignment. Take length of explicit alignment insns
6595 into account. When seeing a UNSPECV_CONST_END, return it.
6597 * sh.c (fixup_mova): Set mode of affected label to QImode.
6598 (untangle_mova): New function.
6599 (find_barrier): Use it. Check mode of label before decrementing
6601 (sh_reorg): Likewise.
6602 Set mode of all insns back to VOIDmode.
6604 * sh.c (MOVA_LABELREF): New macro.
6605 (mova_p, fixup_mova, sh_reorg): Use it.
6606 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6607 ADDR_DIFF_VEC matches mova.
6609 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6611 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6612 with ATTRIBUTE_UNUSED.
6614 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6616 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6617 pointer, instead of assuming it is possible to derive the
6618 correct args size from a call insn.
6620 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6622 * rtl.h (CONST_INT_P): Define.
6623 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6624 instead of GET_CODE(x) == CONST_INT.
6625 (vax_rtx_costs): Likewise.
6626 (vax_output_int_move): Likewise.
6627 (vax_output_int_add): Likewise.
6628 (legitimate_constant_address_p): Likewise.
6629 (index_term_p): Likewise.
6630 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6631 * config/vax/vax.md (and<mode>3): Likewise.
6632 (ashrsi3): Likewise.
6634 (movstricthi): Likewise.
6635 (movstrictqi): Likewise.
6636 (rotrsi3): Likewise.
6637 (five unnamed insns): Likewise.
6639 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6641 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6642 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6643 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6644 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6645 Pass to ASM_OUTPUT_DWARF_OFFSET.
6646 * dwarf2out.c (debug_frame_section): New.
6647 (output_call_frame_info): Use debug_frame_section. Pass it to
6648 dw2_asm_output_offset.
6649 (output_die): Pass appropriate section to dw2_asm_output_offset.
6650 (output_compilation_unit_header): Likewise.
6651 (output_pubnames): Likewise.
6652 (output_aranges): Likewise.
6653 (enum dw_val_class): Break dw_val_class_lbl_offset into
6654 dw_val_class_lineptr and dw_val_class_macptr.
6655 (add_AT_lbl_offset): Delete.
6656 (add_AT_lineptr): New.
6657 (add_AT_macptr): New.
6658 (AT_lbl): Expect a lineptr or macptr.
6659 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6660 (attr_checksum): Likewise.
6661 (same_dw_val_p): Likewise.
6662 (size_of_die): Likewise.
6663 (value_format): Likewise.
6664 (output_die): Likewise.
6665 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6667 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6668 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6669 * config/darwin-protos.h (darwin_file_start): New.
6670 (darwin_asm_output_dwarf_offset): New.
6671 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6672 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6674 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6675 if not EH section; simplify.
6676 (darwin_file_start): New.
6677 (darwin_asm_output_dwarf_offset): New.
6678 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6680 (DEBUG_INFO_SECTION): Likewise.
6681 (DEBUG_ABBREV_SECTION): Likewise.
6682 (DEBUG_ARANGES_SECTION): Likewise.
6683 (DEBUG_MACINFO_SECTION): Likewise.
6684 (DEBUG_LINE_SECTION): Likewise.
6685 (DEBUG_LOC_SECTION): Likewise.
6686 (DEBUG_PUBNAMES_SECTION): Likewise.
6687 (DEBUG_STR_SECTION): Likewise.
6688 (DEBUG_RANGES_SECTION): Likewise.
6689 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6690 (ASM_OUTPUT_DWARF_OFFSET): New.
6692 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6694 * config.gcc (tm_defines): Always add to previous value rather
6697 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6699 * config/mips/predicates.md (splittable_const_int_operand): New,
6700 split from move_operand.
6701 (splittable_symbolic_operand): New.
6702 (move_operand): Add commentary. Use splittable_const_int_operand.
6703 Inline mips_atomic_symbolic_constant_p.
6704 * config/mips/mips.md: Add combine splitters for handling moves
6705 of splittable_const_int_operands and splittable_symbolic_operands.
6706 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6707 (mips_split_symbol): Declare.
6708 (mips_move_integer): Declare.
6709 * config/mips/mips.c (mips_split_p): Make global.
6710 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6711 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6712 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6713 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6714 (mips_offset_within_object_p): Handle block symbols.
6715 (mips_atomic_symbolic_constant_p): Delete.
6716 (mips_cannot_force_const_mem): Return false for constants that
6717 mips_legitimize_move can handle.
6718 (mips_use_blocks_for_constant_p): New function.
6719 (mips_split_symbol): Make global.
6720 (mips_move_integer): Likewise. Add a temporary register argument.
6721 (mips_legitimize_const_move): Use splittable_const_int_operand and
6722 splittable_symbolic_operand.
6723 (mips_use_anchors_for_symbol_p): New function.
6724 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6725 (mips_split_p): Declare.
6727 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6729 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6730 (mips*-*-linux*): Likewise.
6732 2006-03-16 Roger Sayle <roger@eyesopen.com>
6733 Daniel Speyer <dspeyer@wam.umd.edu>
6736 * tree-dump.c (dump_real): New function.
6737 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6738 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6739 (tree-dump.o): Add $(REAL_H) to the dependencies.
6741 2006-03-16 Roger Sayle <roger@eyesopen.com>
6744 * real.c (real_from_string): If the mantissa is zero, don't bother
6745 parsing the exponent as the result should always be zero.
6747 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6749 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6751 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6753 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6754 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6755 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6756 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6757 ia64_sched_finish_global): New static functions to implement
6758 hooks from gcc_target.sched.
6759 (spec_check_no, max_uid, pending_data_specs): New static variables.
6760 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6761 ia64_spec_check_src_p): New static functions.
6762 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6763 (TARGET_SCHED_ADJUST_COST): Removed.
6764 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6765 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6766 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6767 TARGET_SCHED_GEN_CHECK,
6768 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6769 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6770 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6771 Fixed to handle speculation checks.
6772 (rtx_needs_barrier): Fixed to handle speculative loads and
6774 (ia64_variable_issue): Added code to count speculative loads and their
6776 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6778 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6780 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6782 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6783 (ia64_reorg): Reset stops_p to NULL after it is freed.
6784 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6785 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6786 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6788 (data_speculative, control_speculative, check_load): New attributes.
6789 (mov<mode>_advanced, mov<mode>_speculative,
6790 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6791 zero_extend<mode>di2_speculative,
6792 zero_extend<mode>di2_speculative_advanced): New patterns for
6793 data and control speculative loads.
6794 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6796 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6797 New pattern for data and control speculation checks.
6798 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6799 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6800 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6801 Auxiliary definitions for the patterns.
6802 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6803 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6805 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6807 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6808 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6809 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6810 New resource constraints.
6811 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6813 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6814 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6815 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6816 msched-in-control-spec, msched-ldc, msched-control-ldc,
6817 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6818 msched-prefer-non-control-spec-insns,
6819 msched-count-spec-in-critical-path): New flags to tune speculative
6821 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6822 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6823 msched-in-control-spec, msched-ldc, msched-control-ldc,
6824 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6825 msched-prefer-non-control-spec-insns,
6826 msched-count-spec-in-critical-path): Document new flags.
6828 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6830 * target.h (struct spec_info_def): New opaque declaration.
6831 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6832 speculate_insn, needs_block_p, gen_check,
6833 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6834 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6835 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6836 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6837 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6838 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6840 (TARGET_SCHED): Use new macros.
6841 * rtl.h (copy_DEPS_LIST_list): New prototype.
6842 * sched-int.h (struct sched_info): Change signature of new_ready field,
6843 adjust all initializations. New fields: add_remove_insn,
6844 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6845 region_head_or_leaf_p.
6846 (struct spec_info_def): New structure declaration.
6847 (spec_info_t): New typedef.
6848 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6849 recovery_block, orig_pat.
6850 (glat_start, glat_end): New variables declaraions.
6851 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6853 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6854 DETACH_LIFE_INFO, USE_GLAT.
6855 (enum SPEC_SCHED_FLAGS): New enumeration.
6856 (NOTE_NOTE_BB_P): New macro.
6857 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6858 attach_life_info, debug_spec_status, check_reg_live): New functions.
6859 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6860 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6862 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6863 * ddg.c (get_block_head_tail): Adjust all uses.
6864 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6865 (sms_sched_info): Initialize new fields.
6866 (contributes_to_priority): Removed.
6867 * haifa-sched.c (params.h): New include.
6868 (get_block_head_tail): Adjust all uses.
6869 (ISSUE_POINTS): New macro.
6870 (glat_start, glat_end): New global variables.
6871 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6872 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6873 old_last_basic_block, before_recovery, current_sched_info_var,
6874 rgn_n_insns, luid): New static variables.
6875 (insn_cost1): New function. Move logic from insn_cost to here.
6876 (find_insn_reg_weight1): New function. Move logic from
6877 find_insn_reg_weight to here.
6878 (reemit_notes, move_insn, max_issue): Change signature.
6879 (move_insn1): Removed.
6880 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6881 extend_bb): New static functions to support extension of scheduler's
6883 (generate_recovery_code, process_insn_depend_be_in_spec,
6884 begin_speculative_block, add_to_speculative_block,
6885 init_before_recovery, create_recovery_block, create_check_block_twin,
6886 fix_recovery_deps): New static functions to support
6887 generation of recovery code.
6888 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6889 restore_bb_notes, move_block_after_check, move_succs): New static
6890 functions to support ebb scheduling.
6891 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6892 functions to support handling of register live information.
6893 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6894 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6895 add_jump_dependencies): New static functions.
6896 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6897 consistancy checking.
6898 (debug_spec_status): New function to call from debugger.
6899 (priority): Added code to handle speculation checks.
6900 (rank_for_schedule): Added code to distinguish speculative instructions.
6901 (schedule_insn): Added code to handle speculation checks.
6902 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6903 Fixed to handle ebbs.
6904 (move_insn): Added code to handle ebb scheduling.
6905 (max_issue): Added code to use ISSUE_POINTS of instructions.
6906 (choose_ready): Added code to choose between speculative and
6907 non-speculative instructions.
6908 (schedule_block): Added code to handle ebb scheduling and scheduling of
6909 speculative instructions.
6910 (sched_init): Initialize new variables.
6911 (sched_finish): Free new variables. Print statistics.
6912 (try_ready): Added code to handle speculative instructions.
6913 * lists.c (copy_DEPS_LIST_list): New function.
6914 * sched-deps.c (extend_dependency_caches): New function. Move logic
6915 from create_dependency_caches to here.
6916 (get_dep_weak, ds_merge): Make global.
6917 * genattr.c (main): Code to output prototype for
6918 dfa_clear_single_insn_cache.
6919 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6920 (output_dfa_clean_insn_cache_func): Code to output
6921 dfa_clear_single_insn_cache function.
6922 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6924 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6926 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6927 New static variables.
6928 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6929 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6931 (ebb_sched_info): Initialize new fields.
6932 (get_block_head_tail): Adjust all uses.
6933 (compute_jump_reg_dependencies): Fixed to use glat_start.
6934 (schedule_ebb): Code to remove unreachable last block.
6935 (schedule_ebbs): Added code to update register live information.
6936 * sched-rgn.c (region_sched_info): Initialize new fields.
6937 (get_block_head_tail): Adjust all uses.
6938 (last_was_jump): Removed. Adjust users.
6939 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6940 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6941 Implement new hooks.
6942 (check_dead_notes1): New static function.
6943 (struct region): New fields: dont_calc_deps, has_real_ebb.
6944 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6945 (BB_TO_BLOCK): Fixed to handle EBBs.
6946 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6947 (ebb_head): New static variable.
6948 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6949 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6951 (compute_dom_prob_ps): New assertion.
6952 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6953 global_live_at_start.
6954 (init_ready_list): New assertions.
6955 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6956 (new_ready): Add support for BEGIN_CONTROL speculation.
6957 (schedule_insns): Fixed code that updates register live information
6959 (schedule_region): Fixed to handle EBBs.
6960 (init_regions): Use extend_regions and check_dead_notes1.
6961 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6962 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6963 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6964 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6965 TARGET_SCHED_GEN_CHECK,
6966 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6967 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6968 * doc/invoke.texi (max-sched-insn-conflict-delay,
6969 sched-spec-prob-cutoff): Document.
6971 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6973 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6974 inter_tick, queue_index.
6975 (struct sched_info): Change signature of init_ready_list field.
6976 Adjust all initializations.
6977 (RESOLVED_DEPS): New access macro.
6978 (ready_add): Remove prototype.
6979 (try_ready): Add prototype.
6980 * sched-rgn.c (init_ready_list): Use try_ready.
6981 (schedule_region): Initialize
6982 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6983 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6984 (init_ready_list): Use try_ready.
6985 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6986 * lists.c (remove_list_elem): Remove `static'.
6987 (remove_free_INSN_LIST_elem): New function.
6988 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6989 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6990 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6992 (readyp): New variable.
6993 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6994 change_queue_index, resolve_dep): New static functions.
6995 (try_ready): New function. Adjust callers in sched-rgn.c and
6996 sched-ebb.c to use it instead of ready_add.
6997 (clock_var): Move at the begining of file.
6998 (rank_for_schedule): Fix typo.
6999 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7000 (ready_lastpos): Enforce assertion.
7001 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7003 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7004 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7005 (queue_to_ready): Use free_INSN_LIST_list.
7006 (early_queue_to_ready): Fix typo.
7007 (schedule_block): Init readyp. Move init_ready_list call after the
7008 initialization of clock_var. Fix error in rejecting insn by
7009 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7010 that previously corrected INSN_TICKs. Add code for handling
7012 (set_priorities): Fix typo.
7013 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7014 Clarify comment and code that keeps current_sched_info->next_tail
7017 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7019 * sched-rgn.c (extend_rgns): New static function.
7020 (find_rgns): Use it.
7021 (gather_region_statistics, print_region_statistics): New static
7023 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7024 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7026 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7027 Andrey Belevantsev <abel@ispras.ru>
7029 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7030 * lists.c (unused_deps_list): New variable.
7031 (free_list): Add assertions to verify the proper distinguishing
7032 between INSN_LISTs and DEPS_LISTs.
7033 (find_list_elem, remove_list_elem, remove_list_node): New static
7035 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7036 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7037 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7038 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7040 (free_INSN_LIST_node): Likewise.
7041 * modulo-sched.c (current_sched_info): Initialize flags field.
7042 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7043 * rtl.def (DEPS_LIST): Define.
7044 * rtl.h: Declare new functions from lists.c.
7045 * sched-deps.c (spec_dependency_cache): New static variable.
7046 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7047 (add_dependence): Change return type to void. Move the logic to ...
7048 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7049 (delete_all_dependences): Add comment about forward_dependency_cache.
7050 Handle spec_dependency_cache. Handle DEPS_LISTs.
7051 (fixup_sched_groups): Clarify the change of priority of output
7052 and anti dependencies.
7053 (sched_analyze_2): Adjust add_dependence calls to create data
7054 speculative dependence.
7055 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7056 Adjust all callers. Handle DEPS_LISTS.
7057 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7058 presence of speculation.
7059 (init_dependency_caches, free_dependency_caches):
7060 Handle spec_dependency_cache.
7061 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7062 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7063 New static functions.
7064 (add_or_update_back_dep, add_or_update_back_forw_dep,
7065 add_back_forw_dep, delete_back_forw_dep): New functions.
7066 * sched-int.h (ds_t, dw_t): New typedefs.
7067 (struct sched_info): Add new field flags.
7068 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7069 Prototype new sched-deps.c functions.
7070 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7071 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7072 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7073 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7074 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7075 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7077 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7079 * sched-rgn.c (current_sched_info): Initialize flags field.
7080 (schedule_insns): Initialize current_sched_info before the sched_init
7082 * sched-ebb.c (current_sched_info): Initialize flags field.
7083 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7084 Call add_or_update_back_dep instead of add_dependence.
7085 Create control speculative dependencies.
7086 (schedule_insns): Initialize current_sched_info before the sched_init
7089 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7091 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7093 (sh_fallback_frame_state): Likewise.
7095 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7097 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7098 Do switch on default_use_cxa_atexit.
7099 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7100 * config/darwin-crt3.o: New.
7101 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7102 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7103 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7105 * config/rs6000/t-darwin: Move crt2.o building to here.
7106 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7107 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7110 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7112 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7113 from '! xxx' to '!xxx' for coding-style conformance.
7114 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7115 (EXTRA_CONSTRAINT): Likewise.
7116 * config/vax/vax.md (four unnamed insns): Likewise.
7118 2006-03-15 Paul Brook <paul@codesourcery.com>
7120 * config/arm/arm.c (minipool_pad): New.
7121 (add_minipool_forward_ref): Include pool alignment padding in address
7123 (push_minipool_fix): Set minipool_pad.
7124 (minipool_pad): Ditto.
7126 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7128 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7129 instead of GET_CODE() == MEM and REG_P() instead of
7131 (print_operand_address): Likewise.
7132 (vax_address_cost): Likewise.
7133 (vax_rtx_costs): Likewise.
7134 (vax_notice_update_cc): Likewise.
7135 (vax_output_int_add): Likewise.
7136 (INDEX_REGISTER_P): Likewise.
7137 (BASE_REGISTER_P): Likewise.
7138 (nonindexed_address_p): Likewise.
7139 (vax_mode_dependent_address_p): Likewise.
7140 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7141 (PRINT_OPERAND): Likewise.
7142 * config/vax/vax.md (ashlsi3): Likewise.
7143 (ashlsi3): Likewise.
7144 (some more unnamed insns): Likewise.
7146 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7148 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7149 iterator-style macro.
7150 (mark_control_dependent_edges_necessary): Update the use of
7151 EXECUTE_IF_CONTROL_DEPENDENT.
7153 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7155 * config/sh/predicates.md (cache_address_operand): Special.
7156 (ua_address_operand): Likewise.
7158 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7160 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7162 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7164 2006-03-15 Andreas Schwab <schwab@suse.de>
7166 * gensupport.c (identify_predicable_attribute): Don't free p_false
7167 when it is still in use.
7169 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7171 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7172 the default setting here.
7174 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7176 * tree-pass.h (pass_cfg): Remove.
7177 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7178 * passes.c (pass_cfg): Don't run it.
7180 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7182 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7183 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7185 (stack_regs_mentioned): Update the uses of
7186 stack_regs_mentioned_data. Don't access the array beyond its
7188 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7189 Don't include gt-reg-stack.h.
7191 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7192 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7194 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7197 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7200 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7202 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7204 2006-03-14 Richard Guenther <rguenther@suse.de>
7206 PR tree-optimization/26672
7207 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7210 2006-03-14 Richard Guenther <rguenther@suse.de>
7212 PR tree-optimization/26667
7213 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7214 node for the callees. Always allow inlining if it will shrink
7217 2006-03-14 Richard Guenther <rguenther@suse.de>
7220 * builtins.c (get_pointer_alignment): Prefer alignment
7221 information from decls over that from types.
7223 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7226 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7228 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7230 * config/rs6000/rs6000.opt (mdlmzb): New option.
7231 (msched-prolog, msched-epilog): Use Var not Mask.
7232 * doc/invoke.texi (-mdlmzb): Document.
7233 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7235 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7236 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7238 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7240 PR rtl-optimization/25739
7241 * bt-load.c (augment_live_range): Free tos pointer.
7243 * gensupport.c (identify_predicable_attribute): Free
7245 * gcov.c (create_file_names): Free name pointer.
7247 2006-03-13 Roger Sayle <roger@eyesopen.com>
7250 * stmt.c (emit_case_nodes): Handle the case where the index is a
7251 CONST_INT, where the comparison mode is specified by the index type.
7253 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7255 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7258 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7260 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7261 (*branch_fp_inverted): Likewise.
7263 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7266 * omp-low.c (expand_omp_for_generic): Mark istart0
7267 and iend0 as addressable.
7269 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7271 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7273 2006-03-13 Jeff Law <law@redhat.com>
7275 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7276 virtual operands are interesting.
7277 (vrp_visit_stmt): Corresponding changes.
7279 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7281 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7283 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7284 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7285 * config/bfin/crti.S: Use it instead of __PIC__.
7286 * config/bfin/crtn.S: Likewise.
7288 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7289 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7291 Lose 'G' modifier for call operand.
7292 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7293 recognize 'G' modifier.
7295 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7298 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7299 * stmt.c (expand_case): Likewise.
7301 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7303 PR rtl-optimization/26254
7304 * loop-invariant.c (seq_insns_valid_p): New function.
7305 (move_invariant_reg): Only emit new code if it is valid.
7307 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7309 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7311 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7312 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7313 (commit_one_edge_insertion): Do not look for loop notes.
7315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7317 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7318 flag_test_coverage out of loop.
7320 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7322 * final.c (shorten_branches): Remove outdated comment, and turn
7323 the if branch that guards it to continue.
7325 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7327 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7328 * cfgloop.h (struct loop): Remove unused fields.
7330 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7332 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7333 (-dL, -fdump-rtl-loop2): Update the dump file names
7335 * doc/invoke.texi: Update dump file names.
7337 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7339 * predict.c (estimate_probability): Remove.
7340 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7341 * basic-block.h (estimate_probability): Remove prototype.
7342 * passes.c (finish_optimization_passes): Dump branch prediction or
7343 profiling heuristics to the .profile tree dump.
7344 (init_optimization_passes): Unqueue pass_branch_prob.
7346 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7348 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7350 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7351 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7353 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7355 * function.h (frame_offset_overflow): Declare.
7356 * function.c (frame_offset_overflow): New function.
7357 (assign_stack_local_1): Call it to detect that the offset overflows.
7358 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7360 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7362 * config/sh/sh.c: Include alloc-pool.h.
7363 (label_ref_list_pool): New alloc pool.
7364 (label_ref_list_t): New type for lists of labels.
7365 (struct pool_node): Make wend a label_ref_list_t.
7366 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7368 (dump_table): Likewise.
7369 (sh_reorg): Set up the alloc pool before using add_constant and
7370 dump_table, and destroy it when finishing.
7372 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7374 * config/mips/mips.c: Remove redundant comment.
7376 2006-03-10 Jason Merrill <jason@redhat.com>
7379 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7380 the target was declared 'register'.
7382 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7384 * genpreds.c (write_insn_constraint_len): Change definition of
7385 insn_constraint_len to return size_t to match the declaration.
7387 2006-03-10 DJ Delorie <dj@redhat.com>
7389 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7391 (m32c_expand_insv): Fix test for an AND mask.
7393 2006-03-10 Richard Guenther <rguenther@suse.de>
7396 * builtins.c (get_pointer_alignment): Handle component
7397 references for field alignment.
7399 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7401 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7402 when building with libgloss.
7403 (sh*elf): Implement --without-fp option.
7404 (sh64-superh-linux*): Don't multilib.
7406 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7408 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7410 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7412 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7413 Set it when one of the replacement functions returned true.
7414 Return TODO_cleanup_cfg if cfgchanged is true.
7415 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7417 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7419 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7420 instead of gen_lowpart.
7422 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7424 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7426 (mips_output_order_conditional_branch): Declare.
7427 * config/mips/mips.h (MIPS_BRANCH): New macro.
7428 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7429 for the comparison. Use gen_condjump.
7430 (mips_output_conditional_branch): Rework interface to take the
7431 asm templates for a direct branch and the inverse of a direct branch.
7432 (mips_output_order_conditional_branch): New function.
7433 (mips_builtin_branch_and_move): New function.
7434 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7435 branch condition. Use gen_single_cc as the condition for
7436 __builtin_mips_upper_* or __builtin_mips_lower_*.
7437 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7438 Use VOIDmode for the branch condition.
7439 * config/mips/predicates.md (order_operator): New predicate.
7440 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7441 (branch_fp): Rename to...
7442 (*branch_fp): ...this. Remove mode from comparison operator.
7443 Use new mips_output_conditional_branch interface.
7444 (branch_fp_inverted): Rename to...
7445 (*branch_fp_inverted): ...this and update as for *branch_fp.
7446 (*branch_zero<mode>): Rename to...
7447 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7448 Use mips_output_order_conditional_branch. Only accept ordered
7450 (*branch_zero<mode>_inverted): Rename to...
7451 (*branch_order<mode>_inverted): ...this and update as for
7452 *branch_order<mode>.
7453 (*branch_equality<mode>): Accept zero as the second operand to
7454 the equality operator. Use the new mips_output_conditional_branch
7456 (*branch_equality<mode>_inverted): Likewise.
7457 (condjump): New expander.
7458 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7460 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7461 (bc1any2t, bc1any2f): Likewise.
7462 (single_cc): New expander.
7463 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7465 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7467 * doc/md.texi: Update documentation of MIPS constraints.
7468 * config/mips/constraints.md: New file.
7469 * config/mips/mips.md: Include it.
7470 * config/mips/mips.c (mips_char_to_class): Delete.
7471 (override_options): Don't initialize mips_char_to_class.
7472 * config/mips/mips.h (mips_char_to_class): Delete.
7473 (REG_CLASS_FROM_LETTER): Delete.
7474 (CONST_OK_FOR_LETTER_P): Delete.
7475 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7476 (EXTRA_CONSTRAINT_Y): Delete.
7477 (EXTRA_CONSTRAINT_STR): Delete.
7478 (CONSTRAINT_LEN): Delete.
7479 (EXTRA_MEMORY_CONSTRAINT): Delete.
7481 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7483 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7484 original fn's eh regions.
7486 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7488 * fold-const.c (build_range_check): Make sure to use a valid type to
7489 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7492 (range_predecessor): New static function.
7493 (range_successor): Likewise.
7494 (merge_ranges): Use them to compute predecessors and successors of
7497 2006-03-09 Roger Sayle <roger@eyesopen.com>
7500 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7501 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7503 2006-03-08 DJ Delorie <dj@redhat.com>
7505 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7506 (addpsi3): Expand to include memory operands. Remove
7507 reload-specific splits.
7508 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7509 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7510 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7511 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7512 (shift1_qi, shift1_hi, insv): New.
7513 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7514 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7515 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7517 * config/m32c/m32c-protos.h: Update as needed.
7518 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7519 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7520 Fail for unrecognized R* constraints.
7521 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7522 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7523 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7525 (m32c_init_libfuncs): New.
7526 (m32c_legitimate_address_p): Add debug wrapper.
7527 (m32c_rtx_costs): New.
7528 (m32c_address_cost): New.
7529 (conversions): Add 'B' prefix.
7530 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7531 operands, or word regnames for QI operands. 'B' prints bit
7533 (m32c_expand_setmemhi): New.
7534 (m32c_expand_movmemhi): New.
7535 (m32c_expand_movstr): New.
7536 (m32c_expand_cmpstr): New.
7537 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7538 (m32c_expand_neg_mulpsi3): Handle non-ints.
7539 (m32c_cmp_flg_0): New.
7540 (m32c_expand_movcc): New.
7541 (m32c_expand_insv): New.
7542 (m32c_scc_pattern): New.
7543 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7544 a0/a1 out of SIregs.
7545 (STORE_FLAG_VALUE): New.
7546 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7549 * config/m32c/mov.md: Make constraints more liberal.
7550 (zero_extendqihi2): Optimize r0/r1 case.
7551 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7552 * config/m32c/predicates.md (m32c_any_operand): New.
7553 (m32c_nonimmediate_operand): New.
7554 (m32c_hl_operand): New.
7555 (m32c_r3_operand): New.
7558 (memsym_operand): New.
7559 (memimmed_operand): New.
7560 (a_qi_operand): New.
7561 (m32c_eqne_operator): New.
7562 (m32c_1bit8_operand): New.
7563 (m32c_1bit16_operand): New.
7564 (m32c_1mask8_operand): New.
7565 (m32c_1mask16_operand): New.
7566 * config/m32c/blkmov.md: New file.
7567 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7569 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7571 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7572 unsigned to fix signed/unsigned comparison issue in
7573 DWARF2_FRAME_REG_OUT.
7574 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7575 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7577 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7578 of ptr into the ENABLE_CHECKING section.
7580 2006-03-08 Jeff Law <law@redhat.com>
7582 * tree-vrp.c (infer_value_range): Only count pointer uses
7583 and dereferences if -fdelete-null-pointer-checks is enabled.
7585 * tree-vrp.c (find_assert_locations): Infer value ranges for
7586 single use pointers, but do not create ASSERT_EXPRs for them.
7587 When a non-null range is inferred for a pointer, backwards
7588 propagate that range to other equivalent pointers through the
7591 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7594 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7595 language hook targets.
7596 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7597 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7598 if language hook targets were missing.
7600 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7602 * tree-ssa-opfinalize.h: Removed.
7603 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7605 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7606 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7607 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7608 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7609 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7610 finalize_ssa_v_must_def_ops): New.
7612 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7614 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7617 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7619 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7621 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7622 addresses with offsets; reorganize.
7624 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7625 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7626 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7628 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7631 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7633 2006-03-08 Ben Elliston <bje@au.ibm.com>
7635 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7637 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7640 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7643 2006-03-07 Richard Guenther <rguenther@suse.de>
7645 PR tree-optimization/26587
7646 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7648 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7650 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7652 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7654 * hooks.c (hook_bool_mode_rtx_true): New function.
7655 * hooks.h (hook_bool_mode_rtx_true): Declare.
7656 * toplev.c (compile_file): Call output_shared_constant_pool.
7657 * varasm.c (shared_constant_pool): New variable.
7658 (assemble_start_function, assemble_end_function): Remove arguments
7659 from call to output_constant_pool.
7660 (create_constant_pool): New function, split out from...
7661 (init_varasm_status): ...here.
7662 (force_const_mem): Choose between the shared and per-function constant
7663 pools. Set current_function_uses_const_pool when reusing old entries
7664 as well as when creating new ones.
7665 (mark_constant): Ignore data argument.
7666 (mark_constants): Remove pool argument.
7667 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7668 to decide whether the function uses a constant pool.
7669 (output_constant_pool_contents): New function, split out from...
7670 (output_constant_pool): ...here.
7671 (output_shared_constant_pool): New function.
7672 (init_varasm_once): Initialize shared_constant_pool.
7673 * output.h (output_constant_pool): Delete.
7674 (output_shared_constant_pool): Declare.
7675 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7676 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7678 2006-03-06 Nick Clifton <nickc@redhat.com>
7680 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7681 flag_strength_reduce.
7683 2006-03-06 Ben Elliston <bje@au.ibm.com>
7685 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7686 x86_64-*-linux* configurations.
7688 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7689 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7691 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7693 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7695 * basic-block.h: Remove the extern for
7696 rediscover_loops_after_threading.
7698 * cfgloop.c (cancel_loop): Make it static.
7699 * cfgloop.h: Remove the prototype for cancel_loop.
7701 * flow.c (recompute_reg_usage): Make it static.
7702 * rtl.h: Remove the prototype for recompute_reg_usage.
7704 * function.c (use_return_register): Make it static.
7705 * function.h: Remove the prototype.
7707 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7709 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7711 * recog.h: Remove the prototype for
7712 validate_change_maybe_volatile.
7714 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7716 * rtlanal.c (replace_reg): Remove.
7717 * rtl.h: Remove the prototype for replace_reg.
7719 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7721 * regclass.c (reg_scan_update): Remove.
7722 (reg_scan_mark_refs): Remove the last argument.
7723 * rtl.h: Remove the prototype for reg_scan_update.
7725 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7727 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7728 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7729 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7730 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7731 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7732 loop-invariant.c, omp-low.c, opts.c, passes.c,
7733 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7734 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7735 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7736 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7737 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7738 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7740 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7742 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7743 * dwarf2out.h: Remove the prototype for
7744 dwarf2out_add_library_unit_info.
7746 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7748 * tree.c (add_var_to_bind_expr): Remove.
7749 * tree.h: Remove the prototype for add_var_to_bind_expr.
7751 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7753 * regclass.c (n_non_fixed_regs): Remove.
7754 (init_reg_sets_1, globalize_reg): Remove all uses of
7756 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7758 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7760 * rtlanal.c (insns_safe_to_move_p): Remove.
7761 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7763 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7765 * expmed.c (expand_mult_add): Remove.
7766 * expr.h: Remove the prototype for expand_mult_add.
7768 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7770 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7771 and REG_SAVED_VAL_EXP constants.
7772 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7773 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7774 Handle regs stored by value.
7775 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7776 (execute_cfa_program): Handle DW_CFA_val_offset,
7777 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7778 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7779 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7780 (uw_install_context_1): Handle target regs stored by value.
7782 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7784 * tree-sra.c (tree_sra): Return todoflags;
7785 (generate_one_element): Set TODO_update_smt_usage if needed.
7786 (pass_sra): Remove TODO_update_smt_usage.
7787 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7789 (tree_ssa_forward_propagate_single_use_vars): Return
7790 TODO_update_smt_usage if we need to update SMT usage.
7791 (pass_forwprop): Remove TODO_update_smt_usage.
7793 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7795 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7796 (correct_use_link): Remove reference to get_stmt_operands.
7797 (update_stmt_operands): Likewise.
7798 (get_modify_expr_operands): New function factored out of
7799 parse_ssa_operands and get_expr_operands.
7800 Try to create V_MUST_DEFs for LHS by default.
7801 (get_expr_operands) <case MODIFY_EXPR>: Call
7802 get_modify_expr_operands.
7803 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7804 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7805 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7806 get_modify_expr_operands.
7808 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7810 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7811 * tree-flow.h: Remove the prototype for
7812 referenced_var_lookup_if_exists.
7814 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7816 PR rtl-optimization/26345
7818 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7820 2006-03-03 Roger Sayle <roger@eyesopen.com>
7822 PR tree-optimization/26524
7823 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7824 fold_convert to create a constant of the appropriate type.
7826 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7828 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7829 SYMBOL_REF_IN_BLOCK_P.
7830 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7831 of SYMBOL_FLAG_IN_BLOCK.
7832 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7833 instead of SYMBOL_REF_IN_BLOCK_P.
7834 * explow.c (use_anchored_address): Likewise.
7835 * rtl.c (rtx_size): Likewise.
7836 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7837 instead of SYMBOL_FLAG_IN_BLOCK.
7838 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7839 SYMBOL_REF_IN_BLOCK_P.
7840 (assemble_variable): Likewise.
7841 (output_constant_def_contents): Likewise.
7842 (output_constant_pool): Likewise.
7843 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7844 instead of SYMBOL_FLAG_IN_BLOCK.
7845 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7846 SYMBOL_REF_IN_BLOCK_P.
7847 (SYMBOL_REF_BLOCK): Likewise.
7848 (SYMBOL_REF_OFFSET): Likewise.
7849 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7850 SYMBOL_REF_IN_BLOCK_P.
7851 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7852 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7853 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7854 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7856 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7858 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7860 2006-03-02 Roger Sayle <roger@eyesopen.com>
7862 * simplify-rtx.c (simplify_unary_operation): When simplifying
7863 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7864 that we perform the right shift in the appropriate mode, and
7865 then extend or truncate the result to requested mode.
7867 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7869 * gengtype.c (main): Handle double_int type.
7870 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7871 * double-int.c: New file.
7872 * double-int.h: New file.
7873 * system.h: Include doubleint.h.
7874 * Makefile.in (SYSTEM_H): Include double-int.h.
7875 (double-int.o): Add.
7877 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7880 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7883 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7885 * tree-vrp.c (remove_range_assertions): Do not update statements
7888 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7890 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7892 * gcse.c (rest_of_handle_gcse): Ditto.
7893 * except.c (gate_handle_eh): Ditto.
7894 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7895 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7897 2006-03-02 Eric Christopher <echristo@apple.com>
7899 * config/i386/i386.c (machopic_output_stub): Add indirection to
7902 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7906 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7908 Sun Niagara specific optimizations.
7909 * config.gcc: Recognize niagara as target.
7910 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7911 (TARGET_CPU_niagara): Define.
7912 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7913 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7914 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7915 (ASM_CPU_SPEC): Likewise.
7916 (PROCESSOR_NIAGARA): New enum entry.
7917 (REGISTER_MOVE_COST): Handle Niagara.
7918 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7919 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7920 (sparc_override_options): Recognize "niagara", set appropriate
7921 default MASK_* values for it, and align functions to 32-bytes
7922 by default just like ULTRASPARC/ULTRASPARC3.
7923 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7924 (sparc64_initialize_trampoline): Likewise.
7925 (sparc_use_sched_lookahead): Use zero for niagara.
7926 (sparc_issue_rate): Use one for niagara.
7927 * config/sparc/niagara.md: New file.
7928 * config/sparc/sparc.md: Include it.
7929 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7930 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7931 when default cpu is niagara.
7932 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7933 (ASM_CPU_SPEC): Likewise.
7934 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7935 when default cpu is niagara.
7936 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7937 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7938 just like v9/ultrasparc/ultrasparc3.
7939 * doc/invoke.texi: Add documentation for "niagara" and improve
7940 existing documentation for ultrasparc variants.
7942 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7944 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7946 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7948 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7949 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7950 and say that only one is needed.
7951 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7952 * target.h (have_switchable_bss_sections): New hook.
7953 * explow.c (use_anchored_address): Check that the symbol is in a block.
7954 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7955 (bss_noswitch_section): New variables.
7956 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7957 (get_noswitch_section): New function.
7958 (get_block_for_section): Allow SECT to be null.
7959 (unlikely_text_section_p): Use SECTION_STYLE.
7960 (bss_initializer_p): New function.
7961 (get_variable_section): Move earlier in file. Take a new argument,
7962 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7963 Return one of the new *_sections in such cases.
7964 (get_block_for_decl): New function, extracting some logic from
7965 use_blocks_for_decl_p.
7966 (change_symbol_section): Remove in favor of...
7967 (change_symbol_block): ...this new function.
7968 (use_blocks_for_decl_p): Remove checks now performed by
7970 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7971 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7972 (emit_local, emit_bss, emit_common): ...these new functions.
7973 Return true if the alignment was honored.
7974 (emit_tls_common): New function.
7975 (asm_emit_uninitialised): Delete.
7976 (assemble_variable_noswitch): New function, split out from...
7977 (assemble_variable): ...here. Don't make decisions about common
7978 variables here. Globalize all public decls that go into non-common
7979 sections. Check whether SYMBOL_REF_BLOCK is null.
7980 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7981 (output_constant_pool): Likewise.
7982 (init_varasm_once): Initialize the new section variables.
7983 (have_global_bss_p): New function.
7984 (categorize_decl_for_section): Use bss_initializer_p.
7985 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7986 (place_block_symbol): Assert that the symbol must be in a block.
7987 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7988 (TARGET_INITIALIZER): Include it.
7989 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7990 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7991 (SECTION_MACH_DEP): Bump by two.
7992 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7993 (unnamed_section): Mention SECTION_UNNAMED in comment.
7994 (named_section): Likewise SECTION_NAMED.
7995 (noswitch_section_callback): New type.
7996 (noswitch_section): New structure.
7997 (section): Add a noswitch_section alternative.
7998 (SECTION_STYLE): New macro.
7999 (tls_comm_section, comm_section, lcomm_section): Declare.
8000 (bss_noswitch_section, have_global_bss_p): Declare.
8001 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8002 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8004 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8005 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8008 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8010 * tree-vrp.c (execute_vrp): Return value.
8011 * regrename.c (rest_of_handle_regrename): Ditto.
8012 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8013 * tree-complex.c (tree_lower_complex): Ditto.
8014 (tree_lower_complex_O0): Ditto.
8015 * tracer.c (rest_of_handle_tracer): Ditto.
8016 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8017 * postreload.c (rest_of_handle_postreload): Ditto.
8018 * tree-tailcall.c (execute_tail_recursion): Ditto.
8019 (execute_tail_calls): Ditto.
8020 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8021 * tree.h (init_function_for_compilation): Ditto.
8022 * ipa-cp.c (ipcp_driver): Ditto.
8023 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8024 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8025 * final.c (compute_alignments): Ditto.
8026 (rest_of_handle_final): Ditto.
8027 (rest_of_handle_shorten_branches): Ditto.
8028 (rest_of_clean_state): Ditto.
8029 * omp-low.c (execute_expand_omp): Ditto.
8030 (execute_lower_omp): Ditto.
8031 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8032 * ipa-reference.c (static_execute): Ditto.
8033 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8034 * reorg.c (rest_of_handle_delay_slots): Ditto.
8035 (rest_of_handle_machine_reorg): Ditto.
8036 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8037 * flow.c (recompute_reg_usage): Ditto.
8038 (rest_of_handle_remove_death_notes): Ditto.
8039 (rest_of_handle_life): Ditto.
8040 (rest_of_handle_flow2): Ditto.
8041 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8042 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8043 (do_ssa_store_ccp): Ditto.
8044 (execute_fold_all_builtins): Ditto.
8045 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8046 * modulo-sched.c (rest_of_handle_sms): Ditto.
8047 * ipa-pure-const.c (static_execute): Ditto.
8048 * cse.c (rest_of_handle_cse): Ditto.
8049 (rest_of_handle_cse2): Ditto.
8050 * web.c (rest_of_handle_web): Ditto.
8051 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8052 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8053 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8054 * tree-nrv.c (tree_nrv): Ditto.
8055 (execute_return_slot_opt): Ditto.
8056 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8057 (create_structure_vars): Ditto.
8058 * loop-init.c (rtl_loop_init): Ditto.
8059 (rtl_loop_done): Ditto.
8060 (rtl_move_loop_invariants): Ditto.
8061 (rtl_unswitch): Ditto.
8062 (rtl_unroll_and_peel_loops): Ditto.
8063 (rtl_doloop): Ditto.
8064 * gimple-low.c (lower_function_body): Ditto.
8065 (mark_used_blocks): Ditto.
8066 * tree-ssa-sink.c (execute_sink_code): Ditto.
8067 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8068 (cgraph_early_inlining): Ditto.
8069 * global.c (rest_of_handle_global_alloc): Ditto.
8070 * jump.c (cleanup_barriers): Ditto.
8071 (purge_line_number_notes): Ditto.
8072 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8073 (rest_of_handle_if_after_reload): Ditto.
8074 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8075 (tree_ssa_loop_im): Ditto.
8076 (tree_ssa_loop_unswitch): Ditto.
8077 (tree_vectorize): Ditto.
8078 (tree_linear_transform): Ditto.
8079 (tree_ssa_loop_ivcanon): Ditto.
8080 (tree_ssa_empty_loop): Ditto.
8081 (tree_ssa_loop_bounds): Ditto.
8082 (tree_complete_unroll): Ditto.
8083 (tree_ssa_loop_prefetch): Ditto.
8084 (tree_ssa_loop_ivopts): Ditto.
8085 (tree_ssa_loop_done): Ditto.
8086 * predict.c (tree_estimate_probability): Ditto.
8087 * recog.c (split_all_insns_noflow): Ditto.
8088 (rest_of_handle_peephole2): Ditto.
8089 (rest_of_handle_split_all_insns): Ditto.
8090 * tree-eh.c (lower_eh_constructs): Ditto.
8091 * regmove.c (rest_of_handle_regmove): Ditto.
8092 (rest_of_handle_stack_adjustments): Ditto.
8093 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8094 * function.c (instantiate_virtual_regs): Ditto.
8095 (init_function_for_compilation): Ditto.
8096 (rest_of_handle_check_leaf_regs): Ditto.
8097 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8098 (rest_of_handle_gcse): Ditto.
8099 * ipa-type-escape.c (type_escape_execute): Ditto.
8100 * alias.c (rest_of_handle_cfg): Ditto.
8101 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8102 * profile.c (rest_of_handle_branch_prob): Ditto.
8103 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8104 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8105 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8106 * tree-dfa.c (find_referenced_vars): Ditto.
8107 * except.c (set_nothrow_function_flags): Ditto.
8108 (convert_to_eh_region_ranges): Ditto.
8109 (rest_of_handle_eh): Ditto.
8110 * emit-rtl.c (unshare_all_rtl): Ditto.
8111 (remove_unnecessary_notes): Ditto.
8112 * except.h (set_nothrow_function_flags): Ditto.
8113 (convert_to_eh_region_ranges): Ditto.
8114 * cfgexpand.c (tree_expand_cfg): Ditto.
8115 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8116 * tree-ssa-pre.c (do_pre): Ditto.
8117 (execute_fre): Ditto.
8118 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8119 (rest_of_handle_jump2): Ditto.
8120 * tree-sra.c (tree_sra): Ditto.
8121 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8122 (execute_mudflap_function_decls): Ditto.
8123 * tree-ssa-copy.c (do_copy_prop): Ditto.
8124 (do_store_copy_prop): Ditto.
8125 * ipa-prop.h (ipcp_driver): Ditto.
8126 * cfglayout.c (insn_locators_initialize): Ditto.
8127 * tree-ssa-forwprop.c
8128 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8129 * cfglayout.h (insn_locators_initialize): Ditto.
8130 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8131 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8132 (execute_late_warn_uninitialized): Ditto.
8133 * rtl.h (cleanup_barriers): Ditto.
8134 (split_all_insns_noflow): Ditto.
8135 (purge_line_number_notes): Ditto.
8136 (unshare_all_rtl): Ditto.
8137 (remove_unnecessary_notes): Ditto.
8138 (recompute_reg_usage): Ditto.
8139 (variable_tracking_main): Ditto.
8140 * integrate.c (emit_initial_value_sets): Ditto.
8141 * integrate.h (emit_initial_value_sets): Ditto.
8142 * tree-optimize.c (execute_free_datastructures): Ditto
8143 (execute_free_cfg_annotations): Ditto.
8144 (execute_fixup_cfg): Ditto.
8145 (execute_cleanup_cfg_pre_ipa): Ditto.
8146 (execute_cleanup_cfg_post_optimizing): Ditto.
8147 (execute_init_datastructures): Ditto.
8148 * tree-object-size.c (compute_object_sizes): Ditto.
8149 * combine.c (rest_of_handle_combine): Ditto.
8150 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8151 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8152 (rest_of_handle_reorder_blocks): Ditto.
8153 (rest_of_handle_partition_blocks): Ditto.
8154 * var-tracking.c (variable_tracking_main): Ditto.
8155 * tree-profile.c (tree_profiling): Ditto.
8156 * tree-vect-generic.c (expand_vector_operations): Ditto.
8157 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8158 * sched-rgn.c (rest_of_handle_sched): Ditto.
8159 (rest_of_handle_sched2): Ditto.
8160 * basic-block.h (free_bb_insn): Ditto.
8161 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8162 * tree-cfg.c (execute_build_cfg): Ditto.
8163 (remove_useless_stmts): Ditto.
8164 (split_critical_edges): Ditto.
8165 (execute_warn_function_return): Ditto.
8166 (execute_warn_function_noreturn): Ditto.
8167 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8168 * cfgrtl.c (free_bb_for_insn): Ditto.
8169 * passes.c (execute_one_pass): Run additional
8170 todos returned by execute function.
8171 * tree-pass.h (struct tree_opt_pass): Make execute
8174 2006-03-02 Richard Guenther <rguenther@suse.de>
8176 * tree-ssa-alias.c (find_used_portions): Consider taking
8177 the address as making the variable not write-only.
8179 2006-03-02 Nick Clifton <nickc@redhat.com>
8181 * config.gcc (default_use_cxa_atexit): Extend the description of
8182 this configure variable. Set its default value to "yes" for
8183 Linux, NetBSD and ELF targets on the assumption that they will
8184 use C libraries with the __cxa_atexit function.
8186 2006-03-02 Ben Elliston <bje@au.ibm.com>
8188 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8189 parameter as unused to suppress a build warning.
8191 2006-03-02 Ben Elliston <bje@au.ibm.com>
8193 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8196 2006-03-01 Roger Sayle <roger@eyesopen.com>
8199 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8200 declared name, the weak reference name, and the typeof name.
8201 (__gthrw): Avoid expanding the declared name suffix.
8202 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8204 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8206 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8208 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8209 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8210 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8211 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8212 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8213 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8214 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8215 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8216 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8217 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8218 (DW_END_default, DW_END_big, DW_END_little): New.
8219 (DW_END_lo_user, DW_END_hi_user): Define.
8220 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8221 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8222 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8225 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8227 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8229 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8231 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8233 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8235 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8236 to 'symbol_mem_tag'.
8238 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8241 2006-03-01 Roger Sayle <roger@eyesopen.com>
8243 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8245 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8248 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8249 MACHO_DYNAMIC_NO_PIC_P.
8250 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8252 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8255 * config/darwin-protos.h (darwin_asm_output_anchor):
8257 * config/darwin-sections.def (cstring_section):
8258 Add SECTION_MERGE to the flags.
8259 (literal4_section): Likewise.
8260 (literal8_section): Likewise.
8261 (objc_selector_refs_section): Likewise.
8262 (objc_cls_refs_section): Likewise.
8263 * config/darwin.c (darwin_asm_output_anchor): New
8265 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8267 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8269 Fix PR tree-optimization/26443
8270 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8271 to todo and PROP_tmt_usage to properties_destroyed.
8272 * tree-ssa-ccp.c (pass_ccp): Ditto.
8273 (pass_store_ccp): Ditto.
8274 * tree-ssa-dom.c (pass_dominator): Ditto.
8276 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8278 * tree-ssa-operands.c: Cleanup whitespace.
8279 (get_asm_expr_operands): Move before first invocation.
8280 (get_indirect_ref_operands): Likewise.
8281 (get_tmr_operands): Likewise.
8282 (get_call_expr_operands): Likewise.
8283 (append_def): Likewise.
8284 (append_use): Likewise.
8285 (append_v_may_def): Likewise.
8286 (append_v_must_def): Likewise.
8287 (add_call_clobber_ops): Likewise.
8288 (add_call_read_ops): Likewise.
8289 (add_stmt_operand): Likewise.
8290 (add_virtual_operand): Likewise.
8291 (build_ssa_operands): Likewise.
8293 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8298 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8299 with a call expr to ...
8300 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8302 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8304 * tree-vrp.c (extract_range_from_assert): Remove special
8305 handling for types with super-types.
8307 2006-03-01 Ben Elliston <bje@au.ibm.com>
8309 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8310 and powerpc64-*-linux* configurations.
8311 * config/t-dfprules: New file.
8313 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8314 Compile dfp-bit.c from the source directory using -DWIDTH and
8315 $DFP_CFLAGS to control the compilation of that file, rather than
8316 generating width-specific versions in the build directory.
8317 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8318 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8320 2006-02-28 Zack Weinberg <zackw@panix.com>
8322 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8325 2006-02-28 Eric Christopher <echristo@apple.com>
8327 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8328 Set up IN_LIBGCC definition of TARGET_64BIT.
8329 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8331 2006-02-28 Roger Sayle <roger@eyesopen.com>
8334 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8335 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8336 cases via the construction of "expr != 0".
8338 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8340 * alias.c (alias_invariant, alias_invariant_size): Remove.
8341 (record_base_value): Remove.
8342 (memrefs_conflict_p): Don't look at alias_invariant.
8343 (end_alias_analysis): Don't free it.
8344 * alias.h (record_base_value): Remove prototype.
8346 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8347 Adam Nemet <anemet@caviumnetworks.com>
8349 * rtl.h (truncated_to_mode): Declare it.
8350 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8351 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8352 (RTL_HOOKS_INITIALIZER): Include it.
8353 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8354 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8355 reg_truncated_to_mode.
8356 * rtlanal.c (truncated_to_mode): Define it.
8357 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8359 2006-02-28 Jeff Law <law@redhat.com>
8361 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8362 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8363 the range allowed by TYPE_PRECISION.
8365 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8367 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8369 PR tree-optimization/26419
8370 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8373 2006-02-27 Zack Weinberg <zackw@panix.com>
8375 * doc/md.texi: Fix typo in previous change.
8377 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8381 2006-02-27 Zack Weinberg <zackw@panix.com>
8383 * rtl.def (define_constraint, define_register_constraint)
8384 (define_memory_constraint, define_address_constraint): New MD forms.
8385 * gensupport.c (process_rtx): Put define_constraint etc on the
8387 * genpreds.c (process_define_predicate): Adjust comment. Validate
8388 the name, and call validate_exp to validate the expression.
8389 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8390 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8391 all callers changed.
8392 (validate_exp, needs_variable, struct constraint_data)
8393 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8394 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8395 (const_dbl_constraints, constraint_max_namelen)
8396 (have_register_constraints, have_memory_constraints)
8397 (have_address_constraints, have_address_constraints)
8398 (have_extra_constraints, have_const_int_constraints)
8399 (have_const_dbl_constraints, mangle, add_constraint)
8400 (process_define_constraint, process_define_register_constraint)
8401 (write_enum_constraint_num, write_lookup_constraint)
8402 (write_insn_constraint_len, write_regclass_for_constraint)
8403 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8404 (write_insn_extra_memory_constraint)
8405 (write_insn_extra_address_constraint)
8406 (write_satisfies_constraint_fns): New.
8407 (write_tm_preds_h): If we have new-style constraint definitions,
8408 prototype the functions generated from them, and define the
8409 old constraint interface (still used by generic code) in terms of
8411 (write_insn_preds_c): If we have new-style constraint definitions,
8412 generate all relevant functions from those definitions.
8413 (main): Handle define_constraint etc.
8414 * genoutput.c (struct constraint_data, indep_constraints)
8415 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8416 (mdep_constraint_len): New data structures and functions, defined
8417 #ifdef USE_MD_CONSTRAINTS.
8418 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8419 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8420 use new logic to validate operand constraints against constraint
8422 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8424 * defaults.h: If none of the old-style constraint macros are
8425 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8426 old-style macros; and poison REG_CLASS_FROM_LETTER,
8427 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8429 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8430 * doc/md.texi: Document new constraint-definition mechanism and the
8431 C interface it provides. Remove references to old mechanism
8432 elsewhere in the document.
8433 (Machine Constraints): Use pathnames relative to gcc directory,
8434 i.e. config/ARCH/FILE. Change i386 section to refer to
8435 config/i386/predicates.md; update that section to match docstrings.
8436 * doc/tm.texi: Move all documentation of the old constraint-
8437 definition macros to their own section, clearly mark as obsolete.
8439 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8440 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8442 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8443 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8444 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8446 (splits and peepholes): Use satisfies_constraint_*.
8447 * config/i386/i386.c (memory_address_length)
8448 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8450 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8452 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8453 scalar operation to be put back into the loop.
8455 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8458 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8459 (extract_cie_info): Handle S flag in augmentation string.
8460 (execute_cfa_program): If context->signal_frame, execute also
8461 fs->pc == context->ra instructions.
8462 (uw_frame_state_for): If context->signal_frame, don't subtract one
8463 from context->ra to find FDE.
8464 (uw_update_context_1): Set context->signal_frame to
8466 (_Unwind_GetIPInfo): New function.
8467 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8468 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8470 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8471 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8472 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8473 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8474 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8475 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8476 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8477 x86_64_fallback_frame_state): Set fs->signal_frame.
8478 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8479 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8480 (frob_update_context): Likewise. Workaround missing S flag in
8481 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8482 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8483 Remove the psw_addr + 1 hack.
8485 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8487 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8488 with aggregates here.
8489 (find_func_aliases): Remove code for &<aggregate> from here.
8491 2006-02-26 Roger Sayle <roger@eyesopen.com>
8493 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8494 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8495 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8498 2006-02-26 Roger Sayle <roger@eyesopen.com>
8501 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8503 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8505 * opts.c (decode_options): Do not handle flag_strength_reduce.
8506 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8507 and OPT_fstrength_reduce.
8508 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8509 flag_prefetch_loop_arrays for being nonzero.
8510 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8512 (fprefetch-loop-arrays-rtl): Removed.
8513 (flag_prefetch_loop_arrays): Do not specify the value.
8515 * doc/passes.texi: Update documentation of loop optimizer
8517 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8518 -frerun-loop-opt): Remove.
8520 2006-02-26 Richard Guenther <rguenther@suse.de>
8522 PR tree-optimization/26421
8523 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8524 in function calls that are ADDR_EXPRs as using the whole structure.
8526 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8528 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8529 * tree-pass.h (pass_loop_optimize): Remove.
8530 * passes.c (pass_loop_optimize): Never run it.
8531 * toplev.c (backend_init): Don't call init_loop.
8532 * opts.c (flag_loop_optimize_set): Remove.
8533 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8534 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8535 the old RTL loop optimizer when profiling enabled.
8536 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8537 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8538 pre-headers for the sake of the old RTL loop optimizer.
8539 * Makefile.in: Remove all references to loop.o.
8541 * doc/invoke.texi: Remove all references to -floop-optimize
8542 and -frerun-loop-opt.
8544 2006-02-26 Zack Weinberg <zackw@panix.com>
8546 * doc/md.texi (Machine Constraints): Refer to all files with paths
8547 relative to gcc directory (i.e. config/CPU/file). Add missing
8548 @table @code ... @end table to M32C subsection.
8550 2006-02-26 Roger Sayle <roger@eyesopen.com>
8552 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8554 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8556 2006-02-26 Roger Sayle <roger@eyesopen.com>
8557 James A. Morrison <phython@gcc.gnu.org>
8560 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8561 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8562 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8563 signedness of the shift operation.
8565 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8567 PR tree-optimization/26359
8568 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8570 2006-02-25 Roger Sayle <roger@eyesopen.com>
8572 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8573 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8574 as X == 0, and some symmetry related transformations.
8575 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8577 2006-02-25 Roger Sayle <roger@eyesopen.com>
8580 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8581 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8582 symmetry related transformations. Fold (X^C1) == C2 as
8585 2006-02-25 Juergen Weigert <jw@suse.de>
8586 Richard Guenther <rguenther@suse.de>
8588 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8590 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8592 * combine.c (gen_lowpart_or_truncate): Call
8593 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8595 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8597 * doc/invoke.texi: Move -fopenmp description to "Options for
8599 Remove reference to -lgomp.
8601 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8603 * doc/install.texi: Require GNU tar version 1.14.
8605 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8607 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8608 * doc/invoke.texi (C++ Dialect Options): Document
8609 -fno-use-cxa-get-exception-ptr.
8610 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8611 * configure: Regenerate.
8612 * c.opt (fuse-cxa-get-exception-ptr): New.
8613 * c-opts.c (c_common_handle_option): Handle
8614 OPT_fuse_cxa_get_exception_ptr.
8615 * c-common.c (flag_use_cxa_atexit): Update documentation.
8616 (flag_use_cxa_get_exception_ptr): New.
8617 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8618 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8620 (C_COMMON_OVERRIDE_OPTIONS): New.
8622 2006-02-24 Roger Sayle <roger@eyesopen.com>
8625 * combine.c (try_combine): Explicitly check whether GET_CODE is
8626 a SET or a CLOBBER, instead on checking that it isn't a USE.
8628 2006-02-24 Roger Sayle <roger@eyesopen.com>
8630 * fold-const.c (fold_comparison): New subroutine of fold_binary
8631 containing transformations common to both the equality and
8632 ordering relational operators, factored out of fold_binary.
8633 (fold_binary): Separate out the equality operators (EQ_EXPR
8634 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8635 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8636 transformations common to both.
8637 (fold_div_compare): Fix latent bugs in the previously unreachable
8638 LT_EXPR and GE_EXPR cases.
8640 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8642 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8643 decl libname for clog to __clog on AIX.
8645 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8647 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8650 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8651 output traceback table for thunks. Localise rs6000_stack_info call.
8653 2006-02-23 Roger Sayle <roger@eyesopen.com>
8654 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8656 * gthr-posix.h (__gthrw): Fix typo in comment.
8658 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8660 * doc/cpp.texi (Character sets): Document that we do support
8661 input files to be in any character set.
8663 2006-02-23 Jeff Law <law@redhat.com>
8665 * tree.h (PHI_ARG_NONZERO): Remove.
8666 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8667 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8668 node to the new node.
8670 PR tree-optimization/26425
8671 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8672 min/max, then assume its varying.
8674 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8676 PR rtl-optimization/26316
8677 * rtlanal.c (enum may_trap_p_flags): New.
8678 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8679 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8680 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8681 (may_trap_after_code_motion_p): New function.
8682 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8683 (find_invariant_insn): Use may_trap_after_code_motion_p.
8684 * rtl.h (may_trap_after_code_motion_p): Declare.
8686 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8688 * emit-rtl.c (immed_double_const): Cleanup.
8690 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8692 Fix PR tree-optimization/26376
8693 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8696 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8699 * gimplify.c (omp_add_variable): Guard variable size decl test with
8700 DECL_SIZE (decl) check.
8702 2006-02-23 Richard Guenther <rguenther@suse.de>
8705 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8706 like aggregate types.
8708 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8710 * configure.ac: Add --with{,out}-long-double-128 configure option.
8711 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8712 * configure: Rebuilt.
8713 * config.in: Rebuilt.
8714 * doc/install.texi (Options specification): Document
8715 --with-long-double-128.
8717 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8718 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8719 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8720 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8722 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8724 * config/s390/s390.c (override_options): Handle
8725 TARGET_DEFAULT_LONG_DOUBLE_128.
8727 * config/alpha/alpha.c (override_options): Handle
8728 TARGET_DEFAULT_LONG_DOUBLE_128.
8730 * config/sparc/sparc.c (sparc_override_options): Handle
8731 TARGET_DEFAULT_LONG_DOUBLE_128.
8733 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8735 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8736 (real-install-headers-tar, real-install-headers-cpio)
8737 (real-install-headers-cp): New targets.
8739 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8741 * tree.h (variable_section): Delete.
8742 * varasm.c (variable_section): Delete.
8744 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8746 * install.texi: Add notes on install.texi2html.
8747 (Building in parallel): Do not use footnotes.
8749 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8752 * doc/install.texi (Configuration): Document --disable-libgomp.
8754 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8756 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8758 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8760 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8761 (vec_extractv2df_0_sse): New.
8763 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8765 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8766 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8767 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8768 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8769 to the result of the expression.
8770 (def_cfa_1): Adjust.
8771 (frame_pointer_cfa_offset): Rename to...
8772 (frame_pointer_fb_offset): ... this. Adjust all uses.
8773 (convert_cfa_to_loc_list): Rename to...
8774 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8775 Pass it on to build_cfa_loc.
8776 (compute_frame_pointer_to_cfa_displacement): Rename to...
8777 (compute_frame_pointer_to_fb_displacement): ... this. New
8778 offset parameter. Use it in computation.
8779 (gen_subprogram_die): Compute cfa_fb_offset with the new
8780 macro, and use it to compute the fb loc list and the
8783 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8785 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8786 replaced with register_operand.
8787 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8788 non-DREG is expensive.
8789 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8790 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8793 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8795 * doc/install.texi2html: Use set -e.
8797 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8799 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8800 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8801 * doc/invoke.texi (-fshared-data): Delete.
8802 * common.opt (fshared-data): Delete.
8803 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8804 (assemble_static_space): Remove #if 0 code.
8805 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8806 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8807 * config/cris/cris.h: Remove FIXME.
8809 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8811 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8814 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8817 * combine.c (simplify_shift_const_1): Disable nested shifts
8818 optimization for vector shifts.
8820 2006-02-20 Roger Sayle <roger@eyesopen.com>
8822 PR tree-optimization/26361
8823 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8824 of unsigned integer types.
8826 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8828 * tree-chrec.c (eq_evolutions_p): New.
8829 * tree-chrec.h (eq_evolutions_p): Declared.
8830 * tree-data-ref.c: Fix formatting.
8831 (datadep_stats, dependence_stats): New.
8833 (print_direction_vector): New.
8834 (dump_data_dependence_relation): Use print_direction_vector.
8835 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8836 (compute_subscript_distance): Static.
8837 (initialize_data_dependence_relation): Static. Get the number
8838 of loops surrounding the references from the callers, and initialize
8839 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8840 base_object_differ_p analyzers.
8841 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8842 compute_overlap_steps_for_affine_1_2,
8843 analyze_subscript_affine_affine): Count the classified dependences.
8844 Print a message when a test failed.
8845 (can_use_analyze_subscript_affine_affine): New.
8846 (analyze_siv_subscript): Compute the data dependences on symbolic
8847 scevs that verify can_use_analyze_subscript_affine_affine.
8848 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8849 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8850 Handle symbolic scevs.
8851 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8853 (subscript_dependence_tester): Moved...
8854 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8855 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8856 DDR_SIZE_VECT instead of getting it in parameter.
8857 (subscript_dependence_tester): ... here. Take as a parameter
8858 loop_nest_depth. Call build_classic_dist_vector and
8859 build_classic_dir_vector.
8860 (compute_affine_dependence): Update subscript_dependence_tester
8861 parameters. Update datadep_stats counters. Call
8862 compute_subscript_distance.
8863 (compute_self_dependence): Save the dist and dir vectors. Call
8864 compute_subscript_distance.
8865 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8866 (compute_all_dependences): Reorder parameters as they were before
8867 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8868 compute_subscript_distance. Update the use of
8869 compute_affine_dependence and initialize_data_dependence_relation.
8870 (find_data_references_in_loop): Handle COMPONENT_REF.
8871 (compute_data_dependences_for_loop): Initialize dependence_stats.
8872 Don't call build_classic_dist_vector and build_classic_dir_vector.
8873 Update the parameters of initialize_data_dependence_relation and
8874 compute_all_dependences. Print the statistics from datadep_stats.
8875 (analyze_all_data_dependences): Static. Not used until the pass for
8876 checking the data dependences is contributed.
8877 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8878 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8879 (initialize_data_dependence_relation, compute_affine_dependence,
8880 analyze_all_data_dependences, compute_subscript_distance): Removed.
8881 (print_direction_vector): New.
8882 * lambda.h (gcd): ... here.
8883 (lambda_vector_gcd): Moved here from gcd_vector.
8884 * lambda-code.c (gcd, gcd_vector): Removed.
8885 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8886 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8888 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8890 * ipa-type-escape.c: Tidy some comments and white space.
8891 * tree-ssa-operands.c: Likewise.
8893 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8896 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8897 (dump_decl_name): Do not walk the decl tree chains.
8898 * tree-pass.h (TDF_CHAIN): Remove.
8900 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8902 * Makefile.in (C): Remove
8904 (.PHONY): Remove C and PROTO
8906 2006-02-20 Roger Sayle <roger@eyesopen.com>
8909 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8910 deprecated CHAR_TYPE tree code.
8912 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8914 * configure.ac (target_list): Add install-info, dvi, html.
8915 * configure: Regenerate.
8917 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8918 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8919 treelang/Make-lang.in: Do not use double-colon rules.
8921 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8923 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8924 (TMT_USED_ALONE): New macro.
8925 * tree-pass.h (PROP_tmt_usage): New property.
8926 (TODO_update_tmt_usage): New todo.
8927 * tree-ssa-alias.c (updating_used_alone): New variable.
8928 (recalculate_used_alone): New function.
8929 (compute_may_aliases): Set updating_used_alone, call
8930 recalculate_used_alone.
8931 * tree-sra.c (pass_sra): Note that this pass destroys
8932 PROP_tmt_usage, and add TODO_update_tmt_usage.
8933 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8934 * tree-flow.h (updating_used_alone): Prototype.
8935 (recalculate_used_alone): Ditto.
8936 * passes.c (execute_todo): Add code to set updating_used_alone,
8937 and call recalculate.
8938 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8939 for clobber if used alone, and add assert to verify used_alone
8942 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8944 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8945 for non tls symbols added.
8946 (legitimize_address): Do nothing for PLUS expressions if one of the
8947 addends is a tls symbol reference.
8949 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8953 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8955 * Makefile.in (BOOTSTRAPPING): New.
8956 (quickstrap): New definition if BOOTSTRAPPING=yes.
8958 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8959 * configure.ac: Substitute all_selected_languages with the languages
8960 that were configured. For all the other variables except
8961 lang_specs_files, include all the languages in the tree.
8962 * configure: Regenerate.
8964 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8965 if there is one. Run the commands to run fixincludes in the same
8968 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8969 * doc/install.texi: Document exact conventions for searching target tools.
8970 Document --with-build-time-tools. Document toplevel bootstrap. Document
8971 something more about building an Ada cross-compiler. Don't list GNU Make
8972 requirements which affect all platforms.
8974 2006-02-19 Roger Sayle <roger@eyesopen.com>
8977 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8978 only equivalent if the have both the same mode and precision.
8980 2006-02-20 Ben Elliston <bje@au.ibm.com>
8982 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8984 2006-02-19 Roger Sayle <roger@eyesopen.com>
8985 Steven Bosscher <stevenb.gcc@gmail.com>
8987 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8988 constant pool references to identify stack mode constants.
8989 * rtlanal.c (constant_pool_constant_p): New predicate to check
8990 whether operand is a floating point constant in the pool.
8991 * rtl.h (constant_pool_constant_p): Prototype here.
8992 * loop.c (scan_loop): Avoid hoisting constants from the constant
8993 pool on STACK_REGS targets.
8994 (load_mems): Likewise.
8995 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8996 loads into x87 registers expensive in terms of register pressure.
8998 2006-02-19 Roger Sayle <roger@eyesopen.com>
9000 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9001 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9003 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9005 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9006 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9008 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9010 * doc/invoke.texi: Document -fipa-pta.
9011 * common.opt: Add ipa-pta option.
9012 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9013 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9014 (do_ds_constraint): Ditto.
9015 (get_constraint_for): Only add to referenced_vars if
9016 referenced_vars exists.
9017 (insert_into_field_list): Rewrite to do this unsorted.
9018 (insert_into_field_list_sorted): Rename old insert_into_field_list
9020 (create_function_info_for): Use insert_into_field_list_sorted.
9021 (create_variable_info_for): Rewrite so it uses unsorted version,
9022 since the field list is sorted.
9023 (intra_create_variable_infos): Only add to referenced_vars if
9024 referenced_vars exists.
9025 (ipa_pta_execute): Init heapvars, and delete when done.
9026 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9028 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9030 * doc/install.texi: Add missing `@samp'.
9032 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9034 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9037 2006-02-18 Mark Wielaard <mark@klomp.org>
9039 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9040 who added new 4.1 features, bug fixes and integration support.
9042 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9045 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9048 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9050 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9051 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9052 (copy_insn_1): Likewise. Don't copy each field individually.
9054 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9056 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9057 * rtl.c (rtx_size): Rename variable to...
9058 (rtx_code_size): ...this.
9059 (rtx_size): New function.
9060 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9061 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9063 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9064 * rtl.h (rtx_code_size): New variable.
9065 (rtx_size): Change from a variable to a function.
9066 (RTX_SIZE): Rename to...
9067 (RTX_CODE_SIZE): ...this.
9070 PR tree-optimization/17106
9071 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9072 (Anchored Addresses): New section.
9073 * doc/invoke.texi (-fsection-anchors): Document.
9074 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9075 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9076 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9077 * hooks.c (hook_bool_mode_rtx_false): New function.
9078 * hooks.h (hook_bool_mode_rtx_false): Declare.
9079 * gengtype.c (create_optional_field): New function.
9080 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9081 SYMBOL_REF_IN_BLOCK_P is true.
9082 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9083 (min_anchor_offset, max_anchor_offset): Likewise.
9084 (use_anchors_for_symbol_p): New hook.
9085 * toplev.c (compile_file): Call output_object_blocks.
9086 (target_supports_section_anchors_p): New function.
9087 (process_options): Check that -fsection-anchors is only used on
9088 targets that support it and when -funit-at-a-time is in effect.
9089 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9090 if the decl doesn't have one.
9091 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9092 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9093 of force_const_mem through use_anchored_address.
9094 (expand_expr_constant): New function.
9095 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9096 calling expand_expr for INDIRECT_REF.
9097 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9098 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9099 * expr.h (use_anchored_address): Declare.
9100 * loop-unroll.c: Don't declare rtx vectors here.
9101 * explow.c: Include output.h.
9102 (validize_mem): Call use_anchored_address.
9103 (use_anchored_address): New function.
9104 * common.opt (-fsection-anchors): New switch.
9105 * varasm.c (object_block_htab, anchor_labelno): New variables.
9106 (hash_section, object_block_entry_eq, object_block_entry_hash)
9107 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9108 (use_blocks_for_decl_p, change_symbol_section): New functions.
9109 (get_variable_section): New function, split out from assemble_variable.
9110 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9111 use_blocks_for_decl_p say so. Use change_symbol_section if the
9112 symbol has already been created.
9113 (assemble_variable_contents): New function, split out from...
9114 (assemble_variable): ...here. Don't output any code for
9115 block symbols; just pass them to place_block_symbol.
9116 Use get_variable_section and assemble_variable_contents.
9117 (get_constant_alignment, get_constant_section, get_constant_size): New
9118 functions, split from output_constant_def_contents.
9119 (build_constant_desc): Create a block symbol if use_object_blocks_p
9120 says so. Or into SYMBOL_REF_FLAGS.
9121 (assemble_constant_contents): New function, split from...
9122 (output_constant_def_contents): ...here. Don't output any code
9123 for block symbols; just pass them to place_section_symbol.
9124 Use get_constant_section and get_constant_alignment.
9125 (force_const_mem): Create a block symbol if use_object_blocks_p and
9126 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9127 (output_constant_pool_1): Add an explicit alignment argument.
9128 Don't switch sections here.
9129 (output_constant_pool): Adjust call to output_constant_pool_1.
9130 Switch sections here instead. Don't output anything for block symbols;
9131 just pass them to place_block_symbol.
9132 (init_varasm_once): Initialize object_block_htab.
9133 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9134 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9135 (place_block_symbol, get_section_anchor, output_object_block)
9136 (output_object_block_htab, output_object_blocks): New functions.
9137 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9138 (TARGET_ASM_OUT): Include it.
9139 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9140 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9141 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9142 (TARGET_INITIALIZER): Include them.
9143 * rtl.c (rtl_check_failed_block_symbol): New function.
9144 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9145 (block_symbol, object_block): New structures.
9146 (rtx_def): Add a block_symbol field to the union.
9147 (BLOCK_SYMBOL_CHECK): New macro.
9148 (rtl_check_failed_block_symbol): Declare.
9149 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9150 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9151 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9152 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9153 * output.h (output_section_symbols): Declare.
9154 (object_block): Name structure.
9155 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9156 (default_use_anchors_for_symbol_p): Declare.
9157 * Makefile.in (RTL_BASE_H): Add vec.h.
9158 (explow.o): Depend on output.h.
9159 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9160 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9161 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9162 (rs6000_use_blocks_for_constant_p): New function.
9164 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9166 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9168 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9171 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9174 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9176 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9180 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9183 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9184 instead of DECL_REGISTER.
9186 2006-02-18 Olivier Hainque <hainque@adacore.com>
9189 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9191 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9194 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9195 * opth-gen.awk: Handle Var and InverseMask together.
9196 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9197 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9198 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9199 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9201 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9202 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9203 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9204 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9205 LINUX_DYNAMIC_LINKER): Define.
9206 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9207 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9209 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9210 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9211 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9213 (TARGET_C99_FUNCTIONS): Don't define.
9214 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9215 GLIBC_DYNAMIC_LINKER.
9216 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9217 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9218 GLIBC_DYNAMIC_LINKER64): Define.
9219 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9220 LINUX_DYNAMIC_LINKER64.
9221 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9222 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9223 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9224 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9225 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9227 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9228 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9229 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9231 and LINUX_DYNAMIC_LINKER32.
9232 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9234 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9235 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9236 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9238 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9239 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9240 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9241 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9242 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9243 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9244 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9245 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9246 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9247 LINUX_DYNAMIC_LINKER): Define.
9248 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9249 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9250 GLIBC_DYNAMIC_LINKER64): Define.
9251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9252 LINUX_DYNAMIC_LINKER64.
9253 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9254 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9255 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9256 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9257 LINUX_DYNAMIC_LINKER): Define.
9258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9259 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9260 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9261 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9262 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9263 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9264 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9265 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9266 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9267 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9268 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9269 * doc/invoke.texi (-muclibc): Remove caveat about supported
9272 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9274 * doc/cpp.texi (__TIMESTAMP__): Document.
9276 2006-02-17 Roger Sayle <roger@eyesopen.com>
9279 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9280 C is one less than the width of X (and related transformations).
9281 * simplify-rtx.c (simplify_unary_operation_1): Transform
9282 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9283 depending on STORE_FLAG_VALUE, were C is one less then the
9286 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9288 Fix PR tree-optimization/26341
9289 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9290 about NAME_MEMORY_TAG's.
9292 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9295 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9296 with hardware float support, and software float support. Add fcpy
9297 alternative to hardware patterns. Add alternatives to copy between
9298 general and floating-point registers to the 32-bit pattern.
9299 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9300 secondary reload to load a QI or HI mode constant into a floating
9302 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9303 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9305 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9308 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9310 (load_macho_picbase_di): Likewise.
9312 2006-02-16 Jeff Law <law@redhat.com>
9314 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9315 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9316 (ssa_name_nonzero_p): Likewise.
9317 (get_value_range): Return NULL if VRP is not running.
9318 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9319 VRP routines do not discover a range.
9320 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9321 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9322 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9323 (tree_expr_nonnegative_p): Similarly.
9324 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9325 (restore_nonzero_vars_to_original_value): Remove.
9326 (unsafe_associative_fp_binop): Remove.
9327 (tree_ssa_dominator_optimize): Remove initialization and
9328 finalization of nonzero_vars and nonzero_vars_stack.
9329 (dom_opt_initialize_block): No longer push marker on
9331 (dom_opt_finalize_block): No longer call
9332 restore_nonzero_vars_to_original_value.
9333 (record_equivalences_from_phis): No longer look for
9334 nonzero PHI arguments.
9335 (cprop_into_successor_phis): No longer propagate nonzero
9336 property into PHI arguments. Lose unused argument. Caller
9338 (record_equivalences_from_stmt): No longer record nonzero
9339 values for SSA_NAMEs.
9340 (lookup_avail_expr): No longer use nonzero_vars.
9342 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9343 for sizetype when sizetype is unsigned.
9345 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9347 PR rtl-optimization/25603
9348 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9349 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9350 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9351 with new meaning of SETS.
9353 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9358 * config/linux.opt: New file.
9359 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9360 LINUX_DYNAMIC_LINKER): Define.
9361 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9362 * config.gcc (*-*-linux*): Define extra_options.
9363 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9364 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9365 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9366 GLIBC_DYNAMIC_LINKER.
9367 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9368 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9369 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9371 * doc/invoke.texi (GNU/Linux Options): New section.
9373 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9375 * config/sparc/sparc.md (setjmp): Rewrite.
9376 (setjmp_32): Delete.
9377 (setjmp_64): Likewise.
9379 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9381 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9384 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9386 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9389 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9391 PR rtl-optimization/26296
9392 * Makefile.in (loop-invariant.c): Add except.h dependency.
9393 * loop-invariant.c: Include except.h.
9394 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9396 2005-02-16 Paul Brook <paul@codesourcery.com>
9398 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9401 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9403 PR rtl-optimization/25636
9404 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9405 when deciding whether an insn is an initializing insn.
9407 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9409 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9410 (tree_code_size): Ditto.
9411 * tree.h (struct tree_memory_tag): Remove parent_var.
9412 (struct tree_struct_field_tag): New.
9415 (union tree_node): Add sft member.
9416 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9418 (create_sft): Add size and offset argument, set SFT_OFFSET and
9420 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9421 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9422 * tree-flow-inline.h (get_subvar_at): Update for
9423 SFT_OFFSET/SFT_SIZE.
9424 (var_can_have_subvars): Ditto.
9425 (overlap_subvar): Ditto.
9426 * print-tree.c (print_node): Print out interesting things for
9428 * tree-flow.h (struct subvar): Remove offset and size members.
9429 * tree-ssa-operands.c (get_expr_operands): Update for
9430 get_indirect_ref_operands changes.
9431 (get_indirect_ref_operands): Call add_virtual_operand instead of
9432 add_stmt_operand. Only recurse on base var if requested.
9433 (access_can_touch_variable): New function.
9434 (add_stmt_operand): Split virtual operand handling into ...
9435 (add_virtual_operand): Here. Add offset, size, and for_clobber
9436 arguments. Prune alias sets.
9437 (add_call_clobber_ops): Call add_virtual_operand.
9439 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9442 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9444 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9445 than TREE_CODE as index into omp_clause_num_ops array.
9447 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9449 PR rtl-optimization/26184
9450 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9452 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9453 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9454 must_precede, must_follow and tobe_scheduled.
9457 * opts.c (common_handle_option): Free new_option pointer.
9458 * df-core.c (df_analyze): Free postorder pointer.
9460 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9462 * Makefile.in: Fix the examples about the use of stamps
9464 2006-02-15 Michael Matz <matz@suse.de>
9468 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9469 influenced by maximum_field_alignment or DECL_PACKED.
9470 (update_alignment_for_field): Ditto.
9471 (place_field): Ditto.
9472 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9475 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9477 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9478 (debug_flow_info): Pass it.
9479 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9480 * bb-reorder.c (reorder_basic_blocks): Likewise.
9481 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9482 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9483 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9484 * gcse.c (gcse_main, bypass_jumps): Likewise.
9485 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9486 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9487 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9488 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9489 * rtl.h (dump_flow_info): Adjust prototype.
9490 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9491 * var-tracking.c (variable_tracking_main): Likewise.
9492 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9493 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9496 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9498 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9501 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9503 PR tree-optimization/26209
9504 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9505 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9507 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9509 2006-02-14 Roger Sayle <roger@eyesopen.com>
9512 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9513 (X,Y) and the corresponding symmetry related transformations.
9514 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9515 (X,Y) and its symmetry related transformations.
9517 2006-02-14 Roger Sayle <roger@eyesopen.com>
9519 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9522 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9524 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9526 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9529 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9530 support COMDAT group.
9531 * configure: Regenerate.
9533 2006-02-14 Roger Sayle <roger@eyesopen.com>
9538 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9540 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9542 Fix PR tree-optimization/26260
9544 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9546 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9547 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9548 * tree-ssa-structalias.c (create_variable_info_for): Use
9549 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9551 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9553 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9555 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9556 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9557 of the ending condition.
9558 * tree-ssa-loop-manip.c: Include params.h.
9559 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9560 tree_unroll_loop): New functions.
9561 * tree-pass.h (pass_loop_prefetch): Declare.
9562 * loop.c (rest_of_handle_loop_optimize): Test for
9563 -fprefetch-loop-arrays-rtl.
9564 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9565 * timevar.def (TV_TREE_PREFETCH): New timevar.
9566 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9567 pass_loop_prefetch): New.
9568 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9569 (cleanup_tree_cfg_loop): Call scev_reset.
9570 * common.opt (fprefetch-loop-arrays-rtl): Add.
9571 * tree-ssa-loop-prefetch.c: New file.
9572 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9573 (new_temp_expr_table): Initialize expr_vars.
9574 (free_temp_expr_table): Cleanup expr_vars.
9575 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9576 expressions from being merged into one.
9577 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9578 (struct tree_niter_desc): Add control, bound and cmp fields.
9579 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9581 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9582 (tree-cfgcleanup.o): Add SCEV_H dependency.
9583 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9584 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9586 2006-02-14 Richard Guenther <rguenther@suse.de>
9588 PR tree-optimization/26258
9589 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9590 in PHI argument processing.
9592 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9594 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9595 new expression in the requested machine mode.
9597 2006-02-13 Roger Sayle <roger@eyesopen.com>
9599 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9600 directly, instead let do_compare_rtx_and_jump handle this for us.
9601 * expr.c (expand_expr_real_1): Likewise.
9602 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9603 before do_jump_by_parts_greater.
9604 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9605 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9607 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9609 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9611 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9613 PR rtl-optimization/26235
9614 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9615 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9618 2006-02-13 Jeff Law <law@redhat.com>
9620 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9623 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9626 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9627 twice if decl is a builtin. When trying again, call get_callee_fndecl
9628 first to verify it is still a builtin.
9630 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9632 * dwarf2out.c (base_type_die): Don't add AT_name here.
9633 (subrange_type_die): Don't add AT_name here.
9634 (modified_type_die): Rearrange code flow. Do add AT_name here.
9636 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9638 PR rtl-optimization/26247
9639 PR rtl-optimization/26248
9640 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9642 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9644 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9645 * config/fixtfdi.c: Likewise.
9646 * config/fixunstfdi.c: Likewise.
9647 * config/floatditf.c: Likewise.
9649 2006-02-13 Roger Sayle <roger@eyesopen.com>
9652 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9653 into (X,C2) if C1 is a subset of the bits of C2. Transform
9654 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9656 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9658 2006-02-13 Josh Conner <jconner@apple.com>
9661 * varasm.c (function_section): Check for section name before
9662 calling select_section on targets that define
9663 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9664 unlikely_text_section instead of hot_function_section if
9665 first_function_block_is_cold.
9667 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9670 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9672 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9674 PR rtl-optimization/26222
9675 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9676 after tree->rtl expansion.
9677 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9678 before passing it to emit_move_insn.
9680 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9682 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9684 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9685 Clarify documentation.
9686 * c-common.h (warn_write_strings): Remove.
9687 * c-common.c (warn_write_strings): Likewise.
9688 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9691 2006-02-12 Roger Sayle <roger@eyesopen.com>
9694 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9695 (do_jump_parts_zero_rtx): New function renamed from
9696 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9697 (do_jump_parts_equality_rtx): New function split out from
9698 do_jump_parts_equality. Old implementation renamed as above.
9699 Call do_jump_parts_zero_rtx if either operand is zero.
9700 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9701 do all of the heavy lifting.
9702 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9703 calling either do_jump_by_parts_greater_rtx or
9704 do_jump_by_parts_equality_rtx.
9705 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9706 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9707 moved to do_compare_rtx_and_jump, call it directly.
9708 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9709 mode argument. Call do_compare_rtx_and_jump.
9710 (emit_case_nodes): Update calls to do_jump_if_equal.
9712 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9714 PR rtl-optimization/26225
9715 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9717 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9719 PR rtl-optimization/26232
9720 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9722 2006-02-11 Jason Merrill <jason@redhat.com>
9725 * tree-inline.c (declare_return_variable): Just don't use the
9726 modify target if it's a gimple complex reg and the return slot
9729 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9731 * doc/contrib.texi: Update my entry.
9733 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9735 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9737 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9739 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9742 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9744 * doc/invoke.texi (-floop-optimize2): Removed.
9745 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9746 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9747 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9748 * common.opt (floop-optimize2): Removed.
9749 (fmove-loop-invariants): Enabled by default.
9751 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9753 * tree-if-conv.c (combine_blocks): Free the result of
9754 get_loop_exit_edges.
9756 2006-02-10 Jeff Law <law@redhat.com>
9758 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9760 PR tree-optimization/26213
9761 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9762 loop trying to follow SSA_NAME_VALUE chains.
9764 2006-02-10 Richard Guenther <rguenther@suse.de>
9766 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9767 deal with structures that end in implicitly variable sized arrays.
9769 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9771 PR rtl-optimization/24762
9772 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9775 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9777 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9778 (struct ivopts_data): Add regs_used field.
9779 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9780 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9781 instead of loop_data->regs_used;
9782 (free_loop_data): Do not free aux fields for loops.
9783 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9784 and tree_ssa_iv_optimize_finalize.
9786 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9788 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9790 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9793 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9794 computing the effective result type.
9796 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9799 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9800 (tree_overlaps_hard_reg_set): Declare.
9801 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9802 type and signature to match function type expected by walk_tree.
9803 (tree_overlaps_hard_reg_set): New function.
9804 (decl_conflicts_with_clobbers_p): Rename to:
9805 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9806 Use tree_overlaps_hard_reg_set. Changed caller.
9807 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9808 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9809 * cris.c (cris_md_asm_clobbers): Likewise.
9811 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9813 * reload1.c (emit_input_reload_insns): Delete code that tries to
9814 inherit using find_equiv_reg.
9816 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9818 * c-common.h (flag_const_strings): Don't declare.
9819 * c-common.c (flag_const_strings): Remove.
9820 * c.opt (fconst_strings): Remove.
9821 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9822 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9823 (c_common_init_options): Don't set flag_const_strings.
9824 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9826 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9828 * arm.md (tlobits_cbranch): New pattern.
9829 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9830 testing a single bit.
9832 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9835 * tree-ssa-pre.c (create_component_ref_by_pieces):
9836 Handle RETURN_DECL like VAR_DECL.
9838 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9841 * fold-const.c (fold_indirect_ref_1): Fold
9842 "*(foo *)&complexfoo" to "__real__ complexfoo"
9843 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9845 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9847 * tree-flow-inline.h (var_can_have_subvars):
9848 Volatile variables should not have subvariables.
9850 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9853 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9854 multiplying unsigned values.
9857 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9859 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9861 2006-02-08 Jason Merrill <jason@redhat.com>
9864 * tree.def: Elaborate on difference from MODIFY_EXPR.
9865 * doc/c-tree.texi (INIT_EXPR): Likewise.
9866 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9867 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9868 (gimplify_target_expr): Likewise.
9869 (gimplify_cond_expr): Remove target handling.
9870 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9871 (gimplify_expr): Clobber it here.
9872 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9873 Do return slot optimization if we have an INIT_EXPR.
9876 * tree-inline.c (declare_return_variable): Also clear
9877 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9880 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9883 * gimplify.c (gimplify_one_sizepos): Fix typo.
9885 2006-02-08 Jeff Law <law@redhat.com>
9887 PR tree-optimization/21417
9888 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9889 across a backedge if the control statement at the end of the
9890 block is data dependent on other statements in the same block.
9891 (record_temporary_equivalences_from_stmts): Remove over-conservative
9892 test for threading across backedges.
9894 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9895 control statement, handle all three special cases in the same
9896 manner as they all have the same desired solution. No longer
9897 special case edge flag updating when the post dominator is
9900 2006-02-08 Roger Sayle <roger@eyesopen.com>
9902 * tree.def (CHAR_TYPE): Remove.
9903 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9904 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9905 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9906 (gen_string_type_die): Delete unreachable function.
9908 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9909 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9910 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9911 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9912 * builtins.c (type_to_class): Likewise.
9913 * fold-const.c (fold_convert, build_range_check,
9914 merge_ranges): Likewise.
9915 * expr.c (count_type_elements): Likewise.
9916 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9917 * stor-layout.c (layout_type): Likewise.
9918 * ipa-type-escape.c (type_to_consider): Likewise.
9919 * gimplify.c (omp_firstprivatize_type_sizes,
9920 gimplify_type_sizes): Likewise.
9921 * explow.c (promote_mode): Likewise.
9922 * tree-sra.c (is_sra_scalar_type): Likewise.
9923 * varasm.c (output_constant): Likewise.
9924 * tree-inline.c (remap_type_1): Likewise.
9925 * convert.c (convert_to_pointer, convert_to_real,
9926 convert_to_integer, convert_to_complex): Likewise.
9928 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9930 * df-scan.c (df_def_record_1): A set destination may
9931 be a parallel regardless of mode.
9933 2006-02-08 Roger Sayle <roger@eyesopen.com>
9936 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9937 * config/mips/_tilib.c: Remove.
9938 * config/fixtfdi.c: New libgcc source file.
9939 * config/fixunstfdi.c: New source file.
9940 * config/floatditf.c: New source file.
9941 * config/floatunditf.c: New souce file.
9942 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9943 files above instead of config/mips/_tilib.c.
9944 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9946 2006-02-08 Jeff Law <law@redhat.com>
9948 PR tree-optimization/26169
9949 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9952 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9954 * df.h (DF_REG_SIZE): Return the length of the initialized
9957 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9959 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9960 __muldf3): Return a correctly signed zero.
9962 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9964 * passes.c (register_one_dump_file): Accept the current properties
9965 instead of pass number. Adjust call to dump_register. Remove
9967 (register_dump_files): Now a wrapper around...
9968 (register_dump_files_1): ... this one. Do not modify the pass
9970 (next_pass_1): Cosmetic fix.
9971 (execute_todo): Keep second parameter only. Use curr_properties
9972 instead of fetching it from the pass structure. Check and set
9974 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9975 instead of fetching it from the pass structure. Fix calls to
9976 execute_todo. Update curr_properties and initialize .vcg RTL dump
9977 after running the pass. Reset last_verified.
9978 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9980 (FIRST_AUTO_NUMBERED_DUMP): New.
9981 (dump_register): Remove "num" parameter, assign it within the
9983 (get_dump_file_name): Modify template for dumps.
9984 * tree-dump.h (dump_register): Adjust prototype.
9985 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9986 (PROP_trees): Add PROP_gimple_lomp.
9987 (TODO_set_props): New.
9988 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9989 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9990 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9992 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9994 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9995 (sparc64-*-linux*): Likewise.
9996 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9997 * config/sparc/t-linux: New file.
9998 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9999 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10000 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10001 -m32 -mlong-double-128.
10003 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10004 * config/alpha/t-linux: New file.
10005 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10007 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10008 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10009 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10010 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10011 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10012 (CPP_ARCH32_SPEC): Remove.
10014 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10016 PR tree-optimization/26145
10017 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10020 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10023 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10024 >= 240000 when generating code for SOM runtime.
10025 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10026 to $$dyncall when generating code for SOM runtime..
10028 2006-02-07 Dirk Mueller <dmueller@suse.com>
10031 * doc/invoke.texi (-Wsequence-point): Update documentation
10032 that -Wsequence-point is implemented for C++ as well.
10034 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10036 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10037 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10038 (LIB_SPEC): Likewise.
10039 * doc/invoke.texi (SPARC options): Document -pthread.
10041 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10043 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10046 2006-02-07 Roger Sayle <roger@eyesopen.com>
10048 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10049 Correct comment describing BOOLEAN_TYPE.
10051 2006-02-07 Dirk Mueller <dmueller@suse.com>
10053 * c.opt: C++ frontend supports -Wdiv-by-zero.
10054 * c-opts.c (c_common_handle_option): Remove dead case.
10056 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10058 * configure.ac (TLS assembler check): Do not enable TLS by
10059 default on SPARC/Solaris before version 10.
10060 * configure: Regenerate.
10062 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10064 * doc/invoke.texi (xl-compat): Document conversion and support
10067 2006-02-07 Jeff Law <law@redhat.com>
10069 * tree-vrp.c (find_conditional_asserts): Update comments.
10070 (simplify_stmt_for_jump_threading): New.
10071 (identify_jump_threads, finalize_jump_threads): New.
10072 (vrp_finalize): Call identify_jump_threads.
10073 (execute_vrp): Call finalize_jump_threads.
10074 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10075 (vrp_element, vrp_data, vrp_element_p): Remove.
10076 (vrp_hash_elt, vrp_variables_stack): Remove.
10077 (vrp_hash, vrp_eq, record_range): Remove.
10078 (simplify_cond_and_lookup_avail_expr): Remove.
10079 (extract_range_from_cond): Remove.
10080 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10081 (simplify_stmt_for_jump_threading): New.
10082 (dom_thread_across_edge): New wrapper.
10083 (tree_ssa_dominator_optimize): No longer initialize or
10084 finalize any of the VRP datastructures. Remove iteration
10085 step and simplify as a result of removal of iteration step.
10086 (pass_dominator): Perform a cfg cleanup after DOM.
10087 (dom_opt_finalize_block): Use the new common routines
10088 for threading jumps. Simplify stack management slightly.
10089 No longer need to unwind VRP state.
10090 (record_equivalences_from_incoming_edge): No longer record
10092 (eliminate_redundant_computations): No longer call
10093 simplify_cond_and_lookup_avail_expr.
10094 * tree-flow.h (potentially_threadable_block): Prototype.
10095 (thread_across_edge): Likewise.
10096 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10097 (tree-ssa-threadedge.o): Add dependencies.
10098 * tree-ssa-threadedge.c: New file.
10099 * passes.c (init_optimization_passes): Merge PHIs before
10100 calling VRP. Run VRP again late in the SSA optimization pipeline.
10102 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10104 * df-core.c (df_set_blocks): Do not dereference function pointers.
10105 (df_finish1): Likewise.
10106 (df_hybrid_search_forward): Likewise.
10107 (df_hybrid_search_backward): Likewise.
10108 (df_iterative_dataflow): Likewise.
10109 (df_analyze_problem): Likewise.
10110 (df_compact_blocks): Likewise.
10111 (df_dump): Likewise.
10112 * df-scan.c (df_rescan_blocks): Likewise.
10113 (df_record_entry_block_defs): Likewise.
10115 * genconditions.c (write_conditions): Guard the definition of
10116 'insn_conditions' with the check on GCC version.
10117 (write_writer): Guard the traversal 'insn_conditions' with
10118 the check on GCC version.
10120 2006-02-07 Richard Guenther <rguenther@suse.de>
10124 2006-01-30 Richard Guenther <rguenther@suse.de>
10126 * gimplify.c (gimplify_target_expr): Handle easy cases
10127 without creating a temporary.
10129 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10131 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10132 use of float in probability computations. Use edge probabilities
10133 in place of statically computed probabilities.
10134 (min_spec_prob): New static variable.
10135 (schedule_insns): Initialize it.
10136 (GET_SRC_PROB): Removed.
10137 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10139 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10142 * config/ia64/unwind-ia64.c: Revert last change.
10143 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10144 (INCOMING_FRAME_SP_OFFSET): Define.
10146 2006-02-06 Roger Sayle <roger@eyesopen.com>
10148 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10150 2006-02-07 Ben Elliston <bje@au.ibm.com>
10152 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10153 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10154 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10155 (ix86_return_in_memory): Handle TDmode.
10156 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10157 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10159 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10161 * reorg.c (dbr_schedule): Use dump_file instead of file.
10163 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10166 * config/ia64/predicates.md (extr_len_operand): New predicate.
10167 * config/ia64/ia64.md (extv): Tighten constraints.
10169 (*tbit_and_2): Ditto.
10170 (*tbit_and_3): Ditto.
10171 (*tbit_or_2): Ditto.
10172 (*tbit_or_3): Ditto.
10173 (*bit_zero): Ditto.
10176 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10179 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10181 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10183 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10184 loop_optimizer_init and loop_optimizer_finalize
10185 * tree-ssa-sink.c (execute_sink_code): Ditto.
10186 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10187 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10188 tree_ssa_loop_done): Ditto.
10189 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10190 * sched-ebb.c: Include output.h.
10191 (schedule_ebbs): Do not use dump argument.
10192 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10193 * loop.c (loop_dump_stream): Removed.
10194 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10196 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10197 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10198 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10199 loop_iterations, strength_reduce, record_biv, record_giv,
10200 final_giv_value, check_final_value, check_ext_dependent_givs,
10201 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10202 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10203 dump_file instead of loop_dump_stream.
10204 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10205 argument dump_file.
10206 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10208 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10209 * haifa-sched.c: Include output.h
10210 (schedule_insns, sched_init): Do not use dump argument.
10211 * mode-switching.c (optimize_mode_switching): Ditto.
10212 * modulo-sched.c (stats_file): Removed.
10213 (print_node_sched_params): Do not call argument dump_file.
10214 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10215 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10217 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10219 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10220 rtl_loop_init, rtl_loop_done): Ditto.
10221 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10222 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10224 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10225 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10226 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10227 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10228 * emit-rtl.c (renumber_insns): Ditto.
10229 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10230 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10231 * regclass.c (regclass): Ditto.
10232 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10233 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10234 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10235 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10237 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10238 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10240 * gcse.c (gcse_file, debug_stderr): Removed.
10241 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10242 rest_of_handle_gcse): Do not use dump argument.
10243 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10244 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10245 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10246 compute_code_hoist_vbeinout, compute_code_hoist_data,
10247 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10248 compute_store_table, build_store_vectors, insert_insn_start_bb,
10249 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10250 store_motion): Use dump_file instead of gcse_file.
10251 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10252 * profile.c (profile_dump_file): Removed.
10253 (branch_prob): Use dump_file instead of profile_dump_file.
10254 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10256 * tree-ssa-copy.c (dump_copy_of): Ditto.
10257 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10258 dump file to life_analysis.
10259 * bt-load.c (branch_target_load_optimize): Ditto.
10260 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10262 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10263 regclass, dbr_schedule): Declaration changed.
10264 * sched-int.h (sched_init): Declaration changed.
10265 * tree-profile.c (tree_profile_dump_file): Removed.
10266 (tree_profile_hooks): Removed profile_dump_file hook.
10267 * rtl-profile (rtl_profile_dump_file): Removed.
10268 (rtl_profile_hooks): emoved profile_dump_file hook.
10269 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10271 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10272 * tree-cfg.c (build_tree_cfg): Ditto.
10273 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10274 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10275 Declaration changed.
10276 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10277 life_analysis and schedule_insns.
10278 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10280 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10282 * config/mips/mips.c (mips_reorg): Ditto.
10283 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10286 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10288 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10289 (s390_mangle_fundamental_type): New.
10290 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10293 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10294 (alpha_mangle_fundamental_type): New.
10295 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10298 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10300 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10302 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10303 (sparc_mangle_fundamental_type): New.
10305 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10307 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10308 (s390x-*-linux*): Likewise.
10309 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10310 * config/s390/t-linux: New file.
10312 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10314 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10315 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10317 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10319 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10320 (ANTIC_SAFE_LOADS): New macro.
10321 (find_or_generate_expression): Add prototype.
10322 (set_contains_value): Allow null set for sake of not always having
10323 to allocate ANTIC_SAFE_LOADS.
10324 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10325 Allow COMPONENT_REF too.
10326 (valid_in_set): Allow COMPONENT_REF.
10327 Check ANTIC_SAFE_LOADS too.
10328 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10329 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10331 (can_PRE_operation): Add COMPONENT_REF.
10332 (create_component_ref_by_pieces): New function.
10333 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10334 (insert_aux): Move AGGREGATE_TYPE_P check here.
10335 (compute_avail): Set bb local stmt uids.
10336 (pass_pre): Use TODO_update_ssa_only_virtuals.
10338 2006-02-06 Ben Elliston <bje@au.ibm.com>
10340 * configure.ac: Unconditionally disable decimal float by default.
10341 * configure: Regenerate.
10343 2006-02-06 Ben Elliston <bje@au.ibm.com>
10345 * read-rtl.c (read_name): Terminate reading on EOF.
10347 2006-02-06 Ben Elliston <bje@au.ibm.com>
10349 * dfp.c (decimal_real_arithmetic): Change second argument type
10350 from int to enum tree_code. Do not always return true, but now
10351 return result of any call to decimal_do helper functions.
10352 * dfp.h (decimal_real_arithmetic): Update prototype.
10354 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10356 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10358 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10361 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10364 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10366 * tree-vrp.c (cfg_loops): Removed.
10367 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10368 Use current_loops instead of cfg_loops. Pass flags to
10369 loop_optimizer_init.
10370 * cfgloopmanip.c (fix_loop_structure): Update only available
10372 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10373 loop_optimizer_init.
10374 * modulo-sched.c (build_loops_structure): Removed.
10375 (sms_schedule): Use loop_optimizer_init.
10376 * loop-init.c (loop_optimizer_init): Use flags to determine
10377 which properties of loops to prepare.
10378 (rtl_loop_init): Pass flags to loop_optimizer_init.
10379 * tree-ssa-sink.c (execute_sink_code): Ditto.
10380 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10381 * tree-ssa-pre.c (init_pre): Ditto.
10382 * cfgloop.h (LOOPS_NORMAL): New.
10383 (loop_optimizer_init): Declaration changed.
10385 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10387 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10388 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10390 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10392 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10394 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10395 * pa/t-pa64: Delete quadlib.c rule.
10396 * pa/x-ada: Revert last change.
10397 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10399 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10401 PR rtl-optimization/26087
10402 * rtlanal.c (canonicalize_condition): Do not cross basic block
10405 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10408 * config/ia64/ia64.c: Include debug.h.
10409 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10410 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10411 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10412 (process_epilogue, process_set, process_for_unwind_directive):
10413 Output unwind info only if requested. Add CFA info if requested.
10414 Add new arguments as needed. Adjust callers.
10415 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10417 (DWARF2_FRAME_INFO): Define to zero.
10418 * config/ia64/unwind-ia64.c: Remove code that compensated for
10419 the CFA offset error fixed above.
10420 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10421 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10422 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10423 -funwind-tables and -fexceptions to enable frame info.
10424 (dwarf2out_frame_init): Define initial CFA even if
10425 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10426 DWARF2_UNWIND_INFO is nonzero, not just defined.
10427 (dwarf2out_frame_finish): Output non-EH call frame info only
10428 if DWARF2_FRAME_INFO is nonzero.
10429 (convert_cfa_to_loc_list,
10430 compute_frame_pointer_to_cfa_displacement): Define even if
10431 unwind info is not supported.
10432 (gen_subprogram_die): Use the above unconditionally. Remove
10433 legacy alternate code.
10434 * toplev.c (compile_file): Compile in call to
10435 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10436 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10438 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10439 Jakub Jelinek <jakub@redhat.com>
10441 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10442 IBM extended float format long double as "g" on powerpc*-linux.
10444 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10447 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10448 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10450 2006-02-03 Jason Merrill <jason@redhat.com>
10453 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10455 PR middle-end/25977
10456 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10457 on the return slot if it's an NRV.
10459 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10461 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10462 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10463 rewrite_use): Do not handle USE_OUTER.
10464 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10465 add_iv_outer_candidates, may_replace_final_value,
10466 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10467 (find_interesting_uses_op): Functionality of
10468 find_interesting_uses_outer_or_nonlin moved here.
10469 (find_interesting_uses_outside): Use find_interesting_uses_op.
10471 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10474 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10476 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10477 Ulrich Weigand <uweigand@de.ibm.com>
10480 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10481 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10482 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10483 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10485 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10486 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10487 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10488 Define secondary reloads for TFmode moves.
10489 (constant_modes): Add TFmode.
10490 (NR_C_MODES): Set to 8.
10491 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10493 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10494 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10495 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10496 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10497 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10498 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10499 (FPR mode macro): Add TFmode.
10500 (DSF mode macro): New.
10501 (<de>, <dee> mode attributes): Removed.
10502 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10503 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10504 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10505 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10506 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10507 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10508 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10509 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10510 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10511 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10512 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10513 "*negabs<mode>2", "sqrt<mode>2"):
10514 Changed <de> to <xde>. R constraint replaced by <Rf>.
10515 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10517 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10518 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10519 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10521 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10522 "extenddftf2", "extendsftf2"): New expanders.
10523 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10524 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10525 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10526 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10528 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10529 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10530 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10531 __floatditf): Add a GCC_4.1.0 symbol version tag.
10532 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10535 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10538 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10539 Use targetm.binds_local_p instead of TREE_PUBLIC.
10541 2006-02-02 Roger Sayle <roger@eyesopen.com>
10543 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10544 on INTEGER_TYPEs to indicate that it denotes a character type.
10545 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10546 signed_char_type_node, unsigned_char_type_node and char_type_node.
10547 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10548 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10549 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10551 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10552 Daniel Berlin <dberlin@dberlin.org>
10554 * tree-tailcall.c (arg_needs_copy_p): New function.
10555 (eliminate_tail_call): Use arg_needs_copy_p.
10556 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10557 (add_virtual_phis): New function.
10559 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10561 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10562 #ignore instead of #scratch for %g7 .register directive.
10564 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10566 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10569 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10571 * flow.c (calculate_global_regs_live): Assert that there aren't any
10574 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10576 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10577 what its name says.
10578 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10579 bsi_after_labels iterator.
10580 * tree-if-conv.c (find_phi_replacement_condition,
10581 replace_phi_with_cond_modify_expr): Likewise.
10582 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10583 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10585 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10587 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10589 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10592 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10593 array after growing it.
10595 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10597 PR middle-end/24901
10598 * fold-const.c (fold_checksum_tree): Change type of buf.
10600 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10602 * reload.c (push_secondary_reload): Initialize t_icode.
10604 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10606 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10607 -msoft-float -mlong-double-128 only issue a warning, but don't
10608 swich to DFmode long double.
10610 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10612 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10613 has a constant equivalent, iterate over equivalents for arg0,
10614 calling simplify_relational_operation and if there's a result
10615 cheaper than X, apply fold_rtx and return the result.
10617 2006-02-01 Jan Hubicka <jh@suse.cz>
10619 * opts.c (no_unit_at_a_time_default): New global variable.
10620 (decode_options): Use it.
10621 * opts.h (no_unit_at_a_time_default): Declare.
10623 2006-02-01 Paul Brook <paul@codesourcery.com>
10625 * function.c (assign_parm_setup_reg): Use function argument promotion
10627 * expr.c (expand_expr_real_1): Use function argument promotion rules
10630 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10632 * gcc.c (process_command): Change j to 'unsigned int'.
10634 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10636 PR middle-end/26001
10637 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10638 Use the corrected index for the character
10639 out of the string constant.
10641 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10643 * mode-switching.c (optimize_mode_switching): Fix size
10644 allocated for bb_info[n_entities].
10646 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10648 * gcc.c (main): Correct type that is allocated for
10649 explicit_link_files.
10651 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10653 * config/s390/s390.c (init_alignment_context): Set
10654 ALIAS_SET_MEMORY_BARRIER on the MEM.
10655 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10657 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10659 PR middle-end/25933
10660 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10662 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10665 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10667 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10668 * regrename.c: Ditto.
10669 * tree-ssa-loop-im.c: Ditto.
10670 * tree-dump.c: Ditto.
10671 * tree-complex.c: Ditto.
10672 * genrecog.c: Ditto.
10673 * tree-ssa-threadupdate.c: Ditto.
10675 * java/class.c: Ditto.
10676 * java/jcf-parse.c: Ditto.
10677 * java/resource.c: Ditto.
10678 * java/except.c: Ditto.
10679 * java/jvspec.c: Ditto.
10680 * java/jcf-write.c: Ditto.
10681 * java/jcf-path.c: Ditto.
10682 * java/gjavah.c: Ditto.
10683 * java/zextract.c: Ditto.
10684 * java/jcf-io.c: Ditto.
10685 * java/jcf.h: Ditto.
10686 * java/buffer.c: Ditto.
10687 * java/lang.c: Ditto.
10688 * java/parse-scan.y: Ditto.
10689 * java/lex.c: Ditto.
10690 * java/lex.h: Ditto.
10691 * cfgloopmanip.c: Ditto.
10692 * postreload-gcse.c: Ditto.
10693 * tree-ssa-loop-manip.c: Ditto.
10694 * postreload.c: Ditto.
10695 * tree-ssa-loop-ch.c: Ditto.
10698 * cppspec.c: Ditto.
10699 * diagnostic.c: Ditto.
10701 * genoutput.c: Ditto.
10703 * cfghooks.c: Ditto.
10704 * cfgloopanal.c: Ditto.
10705 * objc/objc-act.c: Ditto.
10707 * genextract.c: Ditto.
10708 * genautomata.c: Ditto.
10709 * pretty-print.c: Ditto.
10710 * genemit.c: Ditto.
10711 * cgraphunit.c: Ditto.
10713 * df-scan.c: Ditto.
10714 * haifa-sched.c: Ditto.
10715 * dominance.c: Ditto.
10717 * tree-ssa-loop-ivopts.c: Ditto.
10718 * df-core.c: Ditto.
10719 * mode-switching.c: Ditto.
10720 * modulo-sched.c: Ditto.
10722 * ipa-pure-const.c: Ditto.
10724 * fix-header.c: Ditto.
10726 * tree-stdarg.c: Ditto.
10727 * ipa-utils.c: Ditto.
10728 * loop-init.c: Ditto.
10729 * ipa-inline.c: Ditto.
10730 * cfganal.c: Ditto.
10732 * alloc-pool.c: Ditto.
10733 * dwarf2out.c: Ditto.
10735 * genattrtab.c: Ditto.
10736 * tree-ssa-loop-ivcanon.c: Ditto.
10737 * predict.c: Ditto.
10738 * timevar.c: Ditto.
10740 * fortran/gfortranspec.c: Ditto.
10741 * regmove.c: Ditto.
10742 * local-alloc.c: Ditto.
10743 * langhooks.c: Ditto.
10744 * function.c: Ditto.
10745 * tree-vectorizer.c: Ditto.
10747 * ipa-type-escape.c: Ditto.
10749 * tree-if-conv.c: Ditto.
10750 * profile.c: Ditto.
10752 * tree-data-ref.c: Ditto.
10753 * loop-unroll.c: Ditto.
10754 * treelang/treetree.c: Ditto.
10756 * bt-load.c: Ditto.
10757 * ggc-common.c: Ditto.
10759 * coverage.c: Ditto.
10761 * tree-cfgcleanup.c: Ditto.
10762 * tree-ssa-pre.c: Ditto.
10763 * cfgcleanup.c: Ditto.
10764 * loop-invariant.c: Ditto.
10765 * loop-iv.c: Ditto.
10766 * ipa-prop.c: Ditto.
10767 * print-tree.c: Ditto.
10768 * conflict.c: Ditto.
10769 * ggc-page.c: Ditto.
10770 * sched-deps.c: Ditto.
10771 * regclass.c: Ditto.
10772 * tree-object-size.c: Ditto.
10773 * combine.c: Ditto.
10774 * bb-reorder.c: Ditto.
10775 * resource.c: Ditto.
10776 * var-tracking.c: Ditto.
10777 * cfgloop.c: Ditto.
10778 * df-problems.c: Ditto.
10779 * reg-stack.c: Ditto.
10781 * gccspec.c: Ditto.
10782 * sched-rgn.c: Ditto.
10783 * tree-ssa-structalias.c: Ditto.
10784 * tree-ssa-reassoc.c: Ditto.
10785 * config/darwin-c.c: Ditto.
10786 * config/darwin.c: Ditto.
10787 * config/arm/arm.c: Ditto.
10789 * collect2.c: Ditto.
10790 * reload1.c: Ditto.
10792 2006-01-31 Nicolas Pitre <nico@cam.org>
10794 * arm.md (smaxsi3): Make aware of smax_m1.
10797 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10799 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10801 2006-01-31 Richard Guenther <rguenther@suse.de>
10803 * doc/invoke.texi (-msselibm): Document.
10804 * target.h (expand_library_builtin): New target hook.
10805 * builtins.c (expand_builtin): Use expand_library_builtin.
10806 (default_expand_library_builtin): New function.
10807 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10808 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10809 (link_gcc_math_spec): Declare.
10810 (static_specs): Add link_gcc_math_spec.
10811 * expr.h (default_expand_library_builtin): Declare.
10812 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10813 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10814 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10815 * config/i386/i386.opt (msselibm): New target option.
10816 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10817 (ix86_init_sse_abi_builtins): New function.
10818 (ix86_expand_library_builtin): Likewise.
10819 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10820 (override_options): Handle error conditions wrt -msselibm.
10821 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10822 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10823 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10826 2006-01-31 Richard Guenther <rguenther@suse.de>
10827 Paolo Bonzini <bonzini@gnu.org>
10829 * doc/install.texi (--disable-libgcc-math): Document.
10831 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10833 * expr.h (expand_normal): new inline function.
10834 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10835 * dojump.c: use it.
10836 * dwarf2out.c: use it.
10839 * expmed.c: use it.
10840 * except.c: use it.
10841 * config/sparc/sparc.c: use it.
10842 * config/i386/i386.c: use it.
10843 * config/rs6000/rs6000.c: use it.
10844 * config/arm/arm.c: use it.
10845 * config/mips/mips.c: use it.
10846 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10848 2006-01-30 Roger Sayle <roger@eyesopen.com>
10850 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10851 argv to the appropriate type.
10853 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10855 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10858 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10861 * config/s390/s390.c (struct machine_function): New flag
10862 decomposed_literal_pool_addresses_ok_p.
10863 (s390_reorg): Set it before final stage of literal pool transforms.
10864 (s390_decompose_address): Only accept displacements of the form
10865 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10867 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10869 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10870 the comparison routine return.
10872 2006-01-30 Michael Matz <matz@suse.de>
10874 * global.c (find_reg): Only evict for global regs.
10875 Take n_refs into account and dump more info.
10877 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10880 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10881 (pragma_trap, pragma_nosave_low_regs): Likewise.
10882 (current_function_anonymous_args): Likewise.
10883 (sh_deferred_function_attributes): New variable.
10884 (sh_deferred_function_attributes_tail): Likewise.
10885 (print_operand): For '@', look up trap_exit attribute.
10886 (calc_live_regs): Look up trapa_handler attribute. For trapa
10887 handlers, save/restore fpscr, but don't do any other
10888 interrupt-specific saves.
10889 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10890 Fix check for partially saved registers to check for SHmedia.
10891 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10892 (sh_output_function_epilogue): Don't clear any of the removed
10894 (sh_insert_attributes): Don't check pragma_interrupt.
10895 Insert deferred attributes. Check that interrupt attribute is
10896 present for other attributes that require its presence.
10897 (sh_attribute_table): Add new attributes trapa_handler and
10899 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10900 Don't check for pragma_interrupt. Don't store argument.
10901 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10902 (sh_deferred_function_attributes): Declare.
10903 (sh_deferred_function_attributes_tail): Likewise.
10904 * sh.md (sp_switch_1): Add operand. Change generator caller.
10905 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10906 (*return_i): Don't use when trap_exit attribute is in effect.
10907 (*return_trapa): New insn pattern.
10908 * sh-c.c: New file.
10909 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10910 setting c_target_objs and cxx_target_objs.
10911 * t-sh: Add rule for sh-c.o.
10913 2006-01-30 Richard Guenther <rguenther@suse.de>
10916 * gimplify.c (gimplify_target_expr): Handle easy cases
10917 without creating a temporary.
10919 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10921 * vec.h (safe_grow): Remove duplicated line.
10923 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10926 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10927 (expand_omp): ... here.
10928 (expand_omp_parallel): Only remove barriers for combined
10929 parallel+workshare constructs.
10931 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10935 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10936 * tree.c (build_qualified_type): Chain the new type to the original
10937 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10938 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10939 (build_pointer_type_for_mode): Only return unqualified types.
10940 (build_reference_type_for_mode): Likewise.
10942 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10944 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10945 * Makefile.in (CXX_COMPAT_WARN): Define.
10946 * configure: Regenerate.
10948 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10951 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10954 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10956 * toplev.c: Fix thinko.
10958 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10959 Marcin Dalecki <martin@dalecki.de>
10961 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10962 (push_srcloc): Use XNEW.
10963 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10965 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10967 * df-core.c (df_set_blocks): Deleted all variable.
10969 2006-01-28 Ian Lance Taylor <ian@airs.com>
10971 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10972 cgraph_output_pending_asms.
10974 2006-01-28 Zack Weinberg <zackw@panix.com>
10976 * c.opt: Add -W(no-)overlength-strings.
10977 * doc/invoke.texi: Document it.
10978 * c-opts.c (c_common_handle_option): -pedantic implies
10979 -Woverlength-strings, if not explicitly disabled already.
10980 (c_common_post_options): -Woverlength-strings defaults to off, and
10981 is always off for C++.
10982 * c-common.c (fix_string_type): Issue warning about strings longer
10983 than is portable only if warn_overlength_strings. Rearrange code
10984 a little for clarity.
10985 * configure.in: Check for -Wno-overlength-strings as well before
10986 enabling -pedantic in stage 1.
10987 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10988 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10990 * genconditions.c (write_header, write_one_condition)
10991 (write_conditions, write_writer): Consolidate very long strings
10992 that were broken up to fit in C89 portable limit. Don't use
10993 printf when fputs will do.
10995 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10997 * combine.c (simplify_comparison <AND>): Check
10998 TRULY_NOOP_TRUNCATION before start using a subreg.
11000 * config/mips/mips.md (*branch_zero<mode>,
11001 *branch_zero<mode>_inverted, *branch_equality<mode>,
11002 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11003 Remove mode check from comparisons.
11005 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11007 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11009 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11011 * expmed.c (const_mult_add_overflow_p): Remove.
11012 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11014 * recog.c (validate_replace_rtx_subexp): Remove.
11015 * recog.h: Remove the prototype for
11016 validate_replace_rtx_subexp.
11018 * integrate.h: Remove the prototype for
11019 copy_decl_for_inlining.
11020 * rtl.h: Remove the prototype for mark_constant_function.
11021 * tree-vectorizer.h: Remove the prototype for
11022 vect_strip_conversion.
11024 * modulo-sched.c (create_partial_schedule,
11025 free_partial_schedule, reset_partial_schedule): Make them
11028 * hooks.c (hook_bool_rtx_int_false): Remove.
11029 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11031 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11033 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11034 and -mlong-double-128 are incompatible.
11035 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11036 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11037 (TARGET_LIBGCC2_CFLAGS): Define.
11038 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11039 (TARGET_LIBGCC2_CFLAGS): Same.
11040 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11042 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11045 * c-typeck.c (build_binary_op): Perform implicit casts of
11046 operands before shortening them.
11048 * cfgloopmanip.c (split_loop_bb): Remove.
11049 * cfgloop.h: Remove the prototype for split_loop_bb.
11051 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11052 * cfgloop.h: Remove the prototype for
11053 flow_loop_outside_edge_p.
11055 * emit-rtl.c (init_virtual_regs): Make it static.
11056 * function.h: Remove the prototype for init_virtual_regs.
11058 * recog.c (peephole2_optimize): Make it static.
11059 * recog.h: Remove the prototype for peephole2_optimize.
11061 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11063 * df-scan.c (df_record_entry_block_defs): Check if
11064 INCOMING_RETURN_ADDR_RTX is defined.
11066 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11067 Kenneth Zadeck <zadeck@naturalbridge.com>
11069 PR rtl-optimization/24762
11070 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11071 * targhooks.c (hook_void_bitmap): New hook prototype.
11072 * targhoohs.h (hook_void_bitmap): Ditto.
11073 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11074 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11075 * target.h (live_on_entry): New function pointer.
11076 * df-scan.c (df_all_hard_regs): Removed.
11077 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11078 (df_scan_free_internal): Added df->entry_block_defs.
11079 (df_scan_alloc): Ditto.
11080 (df_scan_dump): Ditto.
11081 (df_uses_record): Plumbed flag field properly thru calls.
11082 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11083 This part fixes PR24762.
11084 (df_bb_refs_record): Added code to make the frame and arg
11085 pointers live in EH blocks.
11086 (df_refs_record): Added call to df_record_entry_block_defs.
11087 (df_record_entry_block_defs): New function.
11088 * df-core.c: Added comments to describe new artifical defs.
11089 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11090 (entry_block_defs): New field in struct df.
11091 (df_all_hard_regs): Deleted.
11092 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11093 * df-problems.c (df_ru_bb_local_compute_process_def):
11094 Added code to handle artifical defs in the entry to a function.
11095 (df_ru_bb_local_compute): Ditto.
11096 (df_rd_bb_local_compute_process_def): Ditto.
11097 (df_rd_bb_local_compute): Ditto.
11098 (df_lr_bb_local_compute): Ditto.
11099 (df_ur_bb_local_compute): Ditto.
11100 (df_urec_bb_local_compute): Ditto.
11101 (df_chain_create_bb): Ditto.
11102 (df_ur_local_finalize): Removed entry.
11103 (df_urec_init): Ditto.
11104 (df_urec_local_finalize): Ditto.
11105 (df_ri_bb_compute): Added detection of last use of pseudos.
11106 * Makefile.in (df-scan.o): Updated dependencies.
11107 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11108 * config/mips/mips.c (mips_set_live_on_entry): Added.
11109 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11111 * dce.c (marked_insn_p): Added code to handle artifical defs.
11113 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11115 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11117 (_mm_cvtsi128_si64): Likewise.
11118 (_mm_cvtsd_si64): Likewise.
11119 (_mm_cvttsd_si64): Likewise.
11120 (_mm_cvtsi64_sd): Likewise.
11121 (_mm_cvtsi64_si128): Likewise.
11122 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11123 (_mm_cvtsi64_m64): Likewise.
11124 (_m_to_int64): Likewise.
11125 (_mm_cvtm64_si64): Likewise.
11126 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11127 (_mm_cvttss_si64): Likewise.
11128 (_mm_cvtsi64_ss): Likewise.
11129 (_mm_cvtss_f32): Likewise.
11131 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11133 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11134 for pragma redefine_extname.
11136 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11139 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11140 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11141 -mno-minimal-toc to previous content.
11142 (bispecs): Remove goal.
11143 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11144 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11145 compatibility aliases on powerpc-*-*gnu*.
11146 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11147 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11148 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11149 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11150 (ldblspecs): New goal.
11151 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11152 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11154 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11155 L_sf_to_tf or L_df_to_tf is defined.
11157 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11158 Alan Modra <amodra@bigpond.net.au>
11161 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11162 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11163 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11164 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11165 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11166 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11167 (rs6000_override_options): Initialize rs6000_ieeequad.
11168 Initialize TFmode format to ibm_extended_format if not
11170 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11172 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11173 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11174 (function_arg_advance): IBM long double passed in two FPRs, not
11176 (function_arg): IBM long double passed in FPRs.
11177 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11178 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11179 Only multireg GPR aligned.
11180 (rs6000_init_libfuncs): Enable IBM long double functions if not
11182 (rs6000_generate_compare): Use IBM long double compare if not
11184 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11185 (TARGET_IEEEQUAD): Define.
11186 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11187 not TARGET_IEEEQUAD.
11188 * config/rs6000/rs6000.md: Enable TFmode patterns if
11190 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11191 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11192 and -mlong-double-128 are incompatible.
11193 * doc/invoke.texi (-mabi): Collect options together. Add
11194 ibmlongdouble and ieeelongdouble.
11196 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11198 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11200 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11201 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11202 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11203 * rtl.h (rtunion_def): Remove rt_ptr.
11205 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11206 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11207 * config/i386/winnt.c (i386_pe_mark_dllexport)
11208 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11210 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11212 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11214 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11218 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11219 pthread_key_delete. From John David Anglin. gthrw-ify
11220 pthread_getunique_np only if it it's not a macro. Delete
11222 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11223 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11224 __gthread_objc_condition_signal, __gthread_key_delete): Add
11225 "__attribute__ ((__unused__))" to unused arguments.
11226 (__gthread_recursive_mutex_init_function): Add missing return.
11227 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11228 gthr-posix95.h: Use macro-based approach for name redirection
11229 on targets missing weakref.
11231 2006-01-26 Zack Weinberg <zackw@panix.com>
11233 * genconditions.c (write_header): In generated code, #ifdef out
11234 all includes and fake declarations, except includes of bconfig.h
11235 and system.h, unless GCC_VERSION >= 3001. Do not include
11236 gensupport.h in any case.
11237 (write_conditions): Generate a definition of struct c_test. Add
11238 a comment to the generated #endif.
11239 (write_one_condition): Escape backslashes in string too.
11240 (write_writer): Generated code must escape backslashes and quote
11241 marks (but not newlines) in the strings it writes.
11242 * Makefile.in (build/gencondmd.o): Update dependencies.
11244 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11247 * Makefile.in (insn-automata.o): Add header file dependencies.
11248 * genautomata.c: Add includes.
11250 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11253 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11255 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11257 * configure.ac: Expect target tools paths to be passed from the toplevel
11258 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11260 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11262 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11265 * c.opt (Wpointer-sign): Init to -1.
11266 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11267 OPT_pedantic, to 0 otherwise.
11268 * doc/invoke.texi: Update.
11270 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11272 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11273 constants provided by 80387 instructions in the destination mode.
11275 2006-01-26 Richard Guenther <rguenther@suse.de>
11276 Andrew Pinski <pinskia@physics.uc.edu>
11279 partial PR tree-opt/17064
11280 * tree-ssa-structalias.c (intra_create_variable_infos):
11281 Create heap variables for incoming parameters if
11282 flag_argument_noalias > 1.
11283 (find_what_p_points_to): Look through default defs of
11286 2006-01-26 Jeff Law <law@redhat.com>
11289 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11290 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11291 within the VR_RANGE, use the VR_RANGE as the result, not the
11293 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11294 bounds for the type.
11296 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11298 * tree-ssa-alias.c (maybe_create_global_var): Change
11299 subvar walking to an assertion that we don't have subvar'd variables.
11301 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11304 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11305 Use a new variable, inner. PARM_DECLs are always non-weak.
11307 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11309 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11310 --disable-checking.
11312 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11314 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11316 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11318 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11319 (smax_insn, smin_insn, smax_0, smin_0): New.
11321 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11324 * config/cris/cris.c (cris_order_for_addsi3): New function.
11325 * config/cris/cris-protos.h: Prototype it.
11326 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11327 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11328 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11329 (split for "op.S1 [rx=rx+i],ry (swapped)")
11330 (split for "op(s|u).S1 [rx=rx+i],ry")
11331 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11332 Apply cris_order_for_addsi3 when generating addsi3 insns.
11334 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11336 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11337 (TREE_BLOCK): Add call to EXPR_CHECK.
11339 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11342 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11343 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11344 (dump_omp_clauses): ... here.
11345 (dump_generic_node): Handle OMP_CLAUSE.
11346 * tree.c (omp_clause_num_ops): New.
11347 (omp_clause_code_name): New.
11348 (tree_code_size): Handle OMP_CLAUSE.
11349 (tree_size): Likewise.
11350 (make_node): Document handling of OMP_CLAUSE.
11351 (tree_node_structure): Handle OMP_CLAUSE.
11352 (omp_clause_check_failed): New.
11353 (omp_clause_range_check_failed): New.
11354 (omp_clause_operand_check_failed): New.
11355 (build_omp_clause): New.
11356 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11357 * tree.h (enum omp_clause_code): Declare.
11358 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11359 (OMP_CLAUSE_RANGE_CHECK): Define.
11360 (OMP_CLAUSE_ELT_CHECK): Define.
11361 (omp_clause_check_failed): Declare.
11362 (omp_clause_operand_check_failed): Declare.
11363 (omp_clause_range_check_failed): Declare.
11364 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11365 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11366 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11367 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11368 (OMP_CLAUSE_IF_EXPR): Likewise.
11369 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11370 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11371 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11372 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11373 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11374 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11375 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11376 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11377 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11378 (OMP_CLAUSE_CODE): Define.
11379 (OMP_CLAUSE_SET_CODE): Define.
11380 (OMP_CLAUSE_CODE): Define.
11381 (OMP_CLAUSE_OPERAND): Define.
11382 (struct tree_omp_clause): Declare.
11383 (union tree_node): Add field 'omp_clause'.
11384 * treestruct.def (TS_OMP_CLAUSE): Define.
11385 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11386 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11387 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11388 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11389 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11390 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11391 (OMP_CLAUSE): Define.
11392 * print-tree.c (print_node): Handle OMP_CLAUSE.
11393 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11394 * c-typeck.c: Likewise.
11395 * gimplify.c: Likewise.
11396 * c-omp.c: Likewise.
11397 * tree-nested.c: Likewise.
11398 * tree-inline.c: Likewise.
11399 * c-parser.c: Likewise.
11400 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11403 2006-01-25 Roger Sayle <roger@eyesopen.com>
11405 PR rtl-optimization/25703
11406 * combine.c (try_combine): Handle zero_extract and strict_low_part
11407 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11409 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11411 * global.c: Fix comment typos.
11413 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11416 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11417 Use output_addr_const instead of assemble_name.
11419 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11421 * Makefile.in (sched-vis.o): Update dependencies.
11422 * haifa-sched.c (sched_finish): Clear current_sched_info.
11423 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11424 (dump_flow_info): Call it.
11425 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11427 * basic-block.h (dump_bb_info): Declare.
11428 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11429 option, and apply options only for dump files whose TDF_RTL,
11430 TDF_TREE, or TDF_IPA bits match.
11431 * rtl.h: Declare new functions exported from sched-vis.c.
11432 * sched-vis.c: Enable also if scheduling is not used.
11433 (print_value): Print the mode of registers if not inside scheduling.
11434 (print_insn): Make it work outside the scheduler. Beautify the output
11436 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11438 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11440 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11441 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11442 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11443 depending on the value of CONSTANT_POOL_ADDRESS_P.
11444 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11446 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11447 rather than SYMBOL_REF_DECL.
11448 (rtx_constant_pool): Remove const_rtx_sym_htab.
11449 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11450 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11451 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11452 Remove handling of const_rtx_sym_htab.
11453 (find_pool_constant): Delete.
11454 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11455 rather than find_pool_constant.
11456 (get_pool_constant_for_function): Delete.
11457 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11458 find_pool_constant.
11459 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11460 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11461 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11462 (SYMBOL_REF_CONSTANT): New macro.
11463 (get_pool_constant_for_function): Delete.
11464 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11465 rather than SYMBOL_REF_DECL.
11466 (i386_pe_mark_dllimport): Likewise.
11467 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11468 rather than SYMBOL_REF_DECL.
11469 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11470 (machopic_indirect_call_target): Likewise.
11472 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11474 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11476 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11478 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11480 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11482 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11484 2006-01-24 David Daney <ddaney@avtrex.com>
11487 * configure.ac (enable_tls): New enable option.
11488 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11489 * configure: Regenerate.
11490 * doc/install.texi (--enable-tls): Document new option.
11491 (--disable-tls): Ditto.
11493 2006-01-24 Richard Henderson <rth@redehat.com>
11495 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11496 * alias.c (true_dependence): Respect it.
11497 (canon_true_dependence, write_dependence_p): Likewise.
11498 * builtins.c (get_builtin_sync_mem): Set it.
11500 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11502 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11505 2006-01-24 DJ Delorie <dj@redhat.com>
11507 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11508 for storing constants in single-bit bitfields.
11510 2006-01-25 Ben Elliston <bje@au.ibm.com>
11512 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11514 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11517 * tree-ssa-pre.c (phi_translate): Return NULL
11518 for AGGREGATE_TYPE's.
11520 2006-01-24 Zack Weinberg <zackw@panix.com>
11522 * genautomata.c (process_state_for_insn_equiv_partition):
11523 Use xcalloc for insn_arcs_array.
11524 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11525 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11527 2006-01-24 Richard Henderson <rth@redhat.com>
11529 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11530 update all callers.
11532 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11534 PR rtl-optimization/25890
11535 PR rtl-optimization/25905
11536 * combine.c (expand_compound_operation, expand_field_assignment):
11537 Fail if the bitfield's final position is out of bounds.
11539 2006-01-24 Ian Lance Taylor <ian@airs.com>
11541 PR middle-end/25930
11542 * cgraphunit.c (cgraph_output_in_order): Don't clear
11543 cgraph_asm_nodes until after asm strings have been output.
11545 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11547 * fix-header.c (read_scan_file): Add new parameter imultilib when
11548 calling register_include_chains.
11550 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11552 * omp-low.c: Update documentation.
11554 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11555 Daniel Berlin <dberlin@dberlin.org>
11559 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11560 return from the function.
11562 2006-01-22 Zack Weinberg <zackw@panix.com>
11564 * rtl.def (match_code): Add second argument.
11565 * genpreds.c (write_extract_subexp): New function.
11566 (write_match_code): Add path argument. Use write_extract_subexp.
11567 (write_predicate_expr): Pass path to write_match_code.
11568 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11569 not perform a mode test.
11570 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11571 a subexpression does not constrain the top-level code set.
11572 * read-rtl.c (read_rtx_variadic): New function.
11573 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11574 * doc/md.texi: Document new notation.
11575 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11576 (cmpsi_operand): ... here, using new notation.
11578 2006-01-22 Zack Weinberg <zackw@panix.com>
11580 * varray.c: Remove GENERATOR_FILE #ifdefs.
11582 2006-01-22 Zack Weinberg <zackw@panix.com>
11584 * genautomata.c (output_reserved_units_table): Emit nothing if
11585 description->query_units_num is zero. Remove extra blank line.
11586 (output_cpu_unit_reservation_p): Short circuit
11587 if description->query_units_num is zero.
11589 2006-01-22 Zack Weinberg <zackw@panix.com>
11591 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11592 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11593 nor any of the random handful of variables that used to be necessary
11594 when this program was linked with rtlanal.o. Prune set of forward
11595 function declarations.
11596 (struct attr_desc): Remove static_p field.
11597 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11598 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11599 (attr_string): Do not read the character one past the length of
11601 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11602 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11603 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11604 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11605 (make_automaton_attrs): New.
11606 (main): Do not call into genautomata. Call local gen_bypass
11607 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11608 Remove special case for insn_alts.
11609 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11610 varray.h (leftover from previous change). Prune set of forward
11611 function declarations. Remove state_alts fields from all
11612 structures. Remove state_alts_table from struct automaton.
11613 Make everything except main static. Do not maintain num_dfa_decls.
11614 Do not maintain state_alts fields of various structures.
11615 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11616 (add_arc): Remove state_alts argument. All callers updated.
11617 (output_reserved_units_table): Emit #ifdef here...
11618 (output_tables): ...not here. Don't generate state_alts tables.
11619 (expand_automata): Don't generate attributes.
11620 (write_automata): Don't generate state_alts functions.
11621 (main): New function.
11622 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11623 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11624 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11625 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11626 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11627 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11628 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11629 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11631 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11632 * genattrtab.h: Delete file.
11633 * Makefile.in (OBJS-common): Add insn-automata.o.
11634 (insn-automata.o): New rule.
11635 (simple_generated_c): Add insn-automata.c.
11636 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11637 (genprogmd): Add automata.
11638 (build/genattrtab): Needs no extra objects nor libraries.
11639 (build/genautomata): Needs build/vec.o and -lm.
11641 2006-01-22 Zack Weinberg <zackw@panix.com>
11643 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11644 (output_dfa_max_issue_rate, locked_states_num): Delete.
11645 (struct automaton): Add locked_states field.
11646 (output_dead_lock_vect): Save number of locked states in
11647 automaton->locked_states. If it is zero, don't print anything.
11648 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11649 (output_internal_dead_lock_func): Only test the dead_lock_vect
11650 for automata that have locked states.
11651 (output_statistics): Always print the number of locked states for
11652 each automaton. Calculate total number of locked states here.
11653 (write_automata): Don't call output_dfa_max_issue_rate.
11654 * genattrtab.c: Define length_unit_log as a const variable.
11655 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11656 max_insn_queue_index const.
11657 * final.c (length_unit_log): Declare const.
11658 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11660 2006-01-22 Zack Weinberg <zackw@panix.com>
11662 * genautomata.c: Include vec.h, not varray.h.
11663 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11664 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11665 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11666 VEC_* macros operating on appropriately typed vectors, or to
11667 malloced arrays when the size is known in advance. Const-ify
11668 many char* variables and function arguments. No functional changes.
11669 * Makefile.in (build/varray.o): Delete rule.
11670 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11671 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11673 2006-01-22 Zack Weinberg <zackw@panix.com>
11675 * gensupport.c: Define get_insn_name and record_insn_name here.
11676 (read_md_rtx): Call record_insn_name as appropriate.
11677 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11678 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11679 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11681 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11682 (BUILD_VARRAY): Delete.
11683 (genprognormal): Rename genprogmd. Fold in all programs from
11684 genprognoprint; also attrtab.
11685 (build/genattrtab): Just mention genautomata.o and varray.o.
11686 Reorganize a bit, add comments to make the categories clearer.
11688 2006-01-22 Zack Weinberg <zackw@panix.com>
11690 * genconditions.c (condition_table, add_condition): Delete.
11691 (write_conditions): Don't emit n_insn_conditions nor
11692 insn_elision_unavailable. Issue the gcc version #ifdef here,
11693 inside the table, with no #else clause ...
11694 (write_header): ...not here.
11695 (write_writer): New function.
11696 (main): Don't initialize condition_table. Use add_c_test.
11698 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11699 files on the command line.
11700 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11701 Return -1 if there is no entry in the table, don't abort.
11702 (add_c_test, traverse_c_tests): New functions.
11703 * gensupport.h (insn_elision_unavailable, insn_conditions)
11704 (n_insn_conditions): Delete declarations.
11705 (add_c_test, traverse_c_tests): Declare.
11706 * read-rtl.c: Include gensupport.h.
11707 (read_conditions): New function.
11708 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11709 (read_rtx_1): If we get EOF when we were looking for an initial
11710 open paren, return 0. Call read_conditions when appropriate.
11711 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11712 dummy-conditions.o. Eliminate references to insn-conditions.o,
11713 or change them to build/gencondmd.o, as appropriate. Remove
11714 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11715 from $(simple_generated_c). For all files remaining in those
11716 two lists, add insn-conditions.md to the generator command line.
11717 Give insn-constants.h/s-constants their own rules. Add rules
11718 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11719 (build/read-rtl.o): Depend on gensupport.h.
11720 (genprognormal): Include preds.
11721 (genprogearly): Rename genprognoprint; only difference is now that
11722 they don't link with $(BUILD_PRINT).
11723 * dummy-conditions.c: Delete.
11725 2006-01-22 Zack Weinberg <zackw@panix.com>
11727 * genextract.c: Don't include insn-config.h. Do include vec.h.
11728 Declare vectors of int, char, and locstr.
11729 (locstr): New typedef.
11730 (struct extraction): Make all array fields into bare pointers.
11731 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11732 (insn_code_number): Delete.
11733 (accum_extract): New struct.
11734 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11735 (gen_insn): Take insn_code_number as an argument. Use an
11736 accum_extract structure instead of loading data directly into
11737 a struct extraction, and having to know how big it might get.
11738 (walk_rtx): Operate entirely on an accum_extract structure.
11739 (print_path): Avoid unnecessary use of printf.
11740 (print_header): New function, split out of main. Distinguish
11741 more carefully between an unrecognizable insn and an insn that
11742 has the code number of a define_expand.
11743 (main): Pass insn_code_number to gen_insn. Call print_header
11744 only after parsing. Avoid unnecessary use of printf.
11745 * Makefile.in (build/vec.o): New rule.
11746 (build/genextract): Depend on build/vec.o.
11747 (build/genextract.o): Don't depend on insn-config.h.
11749 2006-01-22 Zack Weinberg <zackw@panix.com>
11751 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11752 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11753 practical. Eliminate per-generator-program link rules.
11755 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11757 PR middle-end/24437
11758 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11759 with a call expr to ...
11760 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11762 2006-01-23 Richard Guenther <rguenther@suse.de>
11764 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11765 before make_edge with conditional EDGE_TRUE_VALUE.
11767 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11768 Jan Hubicka <jh@suse.cz>
11769 Richard Guenther <rguenther@suse.de>
11771 PR rtl-optimization/25654
11772 * cfgexpand.c (aggregate_contains_union_type): New function.
11773 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11774 for structure variables that contain a union type.
11776 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11778 * gengtype.c (new_structure): Return the structure.
11779 (create_option): Add an extra "next" argument.
11780 (create_field): New function.
11781 (adjust_field_rtx_def): Use create_option and create_field.
11782 Remove a now-unnecessary call to find_structure.
11783 (adjust_field_tree_def): Likewise.
11784 (note_yacc_type): Remove an unnecessary call to find_structure.
11785 * gengtype.h (new_structure): Return the structure.
11786 (create_option): Add an extra argument.
11787 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11788 (option): Adjust calls to create_option.
11790 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11792 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11794 2006-01-22 Paul Brook <paul@codesourcery.com>
11795 Peter Barada <peter@the-baradas.com>
11797 * config/m68k/m68k.md: Add Coldfire FPU support.
11798 Define FP mode macro and associated attributes.
11799 Use it for float mode patterns.
11800 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11801 (LIBCALL_VALUE): Use m68k_libcall_value.
11802 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11803 (m68k_function_value): Ditto.
11804 (emit_move_sequence): Ditto.
11805 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11806 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11807 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11808 (MULTILIB_EXCEPTIONS): Ditto.
11809 * config/m68k/m68k.opt: Add mcfv4e.
11810 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11811 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11812 (m68k_output_function_prologue): Save ColdFire FPU registers.
11813 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11814 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11815 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11816 ColdFire FPU registers.
11817 (m68k_libcall_value, m68k_function_value): New functions.
11818 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11819 (LIBCALL_VALUE): Use m68k_libcall_value.
11820 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11821 (MASK_COLDFIRE): Add MASK_CFV4E.
11822 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11823 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11824 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11825 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11826 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11827 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11828 * doc/invoke.tex: Document -mcfv4e on m68k.
11830 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11832 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11835 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11838 * c-opts.c (c_common_handle_option): Don't include
11839 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11840 * doc/invoke.texi (C++ Dialect Options): Document that
11841 -Wnon-virtual-dtor is no longer included in -Wall.
11843 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11845 * gcov.c (print_version), gcov-dump.c (print_version),
11846 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11849 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11851 * df-scan.c (problem_SCAN): Added NULL reset function.
11852 (df_scan_reset_blocks): Added code to call reset block function
11853 (df_bb_refs_delete) Fixed comment.
11854 (df_insn_refs_delete): Made tolerant of deleting non existent info
11855 for dataflow problems that need to be reset.
11856 * df-core.c (df_set_blocks): Ditto.
11857 * df.h (struct df_problem): Added reset_fun.
11858 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11859 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11860 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11861 functions to clear out all references to def-use or use-def chains.
11863 2006-01-21 Ben Elliston <bje@au.ibm.com>
11865 * varasm.c (assemble_real): Initialise data array.
11867 2006-01-20 Paul Brook <paul@codesourcery.com>
11869 Merge from csl-arm-branch.
11870 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11871 * config/arm/arm.md (movdi): Force operands[1] to a register
11872 if we have a non-register source.
11873 (*arm_movdi, *movdf_soft_insn): Require that one of the
11874 operands be a register.
11875 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11876 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11878 2006-01-20 DJ Delorie <dj@redhat.com>
11880 * varasm.c (initializer_constant_valid_p): Allow pointers
11881 initialized from integer constants of lesser precision.
11882 (output_constant): Allow non-int-sized pointer modes to be
11883 initialized from integer constants.
11885 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11888 * cppdefault.h (struct default_include): Add multilib flag.
11889 * cppdefault.c (cpp_include_defaults): Set it.
11890 * c.opt (-imultilib): New option.
11891 * c-opts.c (imultilib): New.
11892 (c_common_handle_option): Handle -imultilib.
11893 (c_common_post_options): Likewise.
11894 * c-incpath.c (add_standard_paths, register_include_chains):
11896 * c-incpath.h (register_include_chains): Add extra parameter.
11897 * gcc.c (do_spec_1): Generate -imultilib option.
11898 (The Specs Language): Update %I description.
11899 (process_command): Update copyright notice.
11900 * doc/cppopts.texi (-imultilib): Document.
11901 * doc/invoke.texi (-imultilib): Include in option summary.
11902 (%I): Update specs documentation.
11904 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11906 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11908 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11910 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11913 2006-01-20 Richard Guenther <rguenther@suse.de>
11914 Steven Bosscher <stevenb.gcc@gmail.com>
11916 PR rtl-optimization/24626
11917 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11918 EDGE_TRUE_VALUE if in RTL mode.
11921 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11922 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11924 2006-01-20 Dirk Mueller <dmueller@suse.com>
11927 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11928 instead of a special NOP marker.
11929 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11930 NOP marker handling.
11931 * c-common.h (empty_body_warning): Add forward declaration.
11932 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11933 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11935 2006-01-20 Paul Brook <paul@codesourcery.com>
11937 * Makefile.in (lang_checks): Keep going if mkdir fails.
11939 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11941 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11942 be able to clean out basic block when not necessary.
11943 (df_scan_free): Fixed to properly delete information if df is
11944 unused before calling df_finish.
11945 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11946 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11948 (df_bb_refs_delete): New function.
11949 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11950 * df-core.c (df_set_blocks): Added code to properly clean out
11951 unused blocks if they are not part of the blocks to consider.
11952 Added additional null check.
11953 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11954 be able to clean out basic block when not necessary
11955 * df.h (df_free_bb_function): Ditto.
11956 (df_bb_refs_delete): New function.
11957 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11958 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11959 basic block parameter to be able to clean out basic block when not
11961 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11962 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11963 Fixed to properly delete information if df is unused before
11966 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11968 PR rtl-optimization/25799
11969 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11970 Corrected confluence operator to remove bits from op2 before oring
11971 with op1 rather than removing bits from op1.
11972 (df_ru_transfer_function): Corrected test on wrong bitmap which
11973 caused infinite loop. Both of these problems were introduced in
11974 the dataflow rewrite.
11976 2006-01-19 DJ Delorie <dj@redhat.com>
11978 * reload1.c (find_reload_regs): Note the details of reload
11979 failures in the dump file.
11980 (spill_failure): Likewise.
11982 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11984 * loop-iv.c: Include df.h and hashtab.h.
11985 (enum iv_grd_result): New enum.
11986 (DF_REF_IV, DF_REF_IV_SET): New macros.
11987 (struct biv_entry): New.
11988 (df, bivs): New global variables.
11989 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11990 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11992 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11993 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11994 analyzed_for_bivness_p, record_biv): New functions.
11995 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11996 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11997 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11999 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12001 (iv_number_of_iterations): Use new interface to iv analysis.
12002 * loop-unroll.c: Do not include varray.h.
12003 (analyze_iv_to_split_insn): Use new interface to iv
12005 * loop-unswitch.c (may_unswitch_on): Ditto.
12006 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12008 (df_bb_modify): Realloc tables to the new index.
12009 (df_find_use): New function.
12010 * df.h (df_find_use): Declare.
12011 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12013 * cfgloop.h (struct rtx_iv): Remove analysed field.
12014 (iv_get_reaching_def): Removed.
12015 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12016 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12017 (loop-iv.o): Add df.h and hashtab.h dependency.
12018 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12020 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12023 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12025 (__floatundisf, __floatundidf): Likewise.
12026 * libgcc2.h (IS_IBM_EXTENDED): Define.
12028 2006-01-19 DJ Delorie <dj@redhat.com>
12030 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12032 2006-01-19 Paul Brook <paul@codesourcery.com>
12034 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12035 as nothrow when unwinding tables are disabled.
12037 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12040 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12041 of bit-field" when in system header.
12043 2006-01-19 DJ Delorie <dj@redhat.com>
12045 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12046 the 16 bit shift limit of the m16c.
12048 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12051 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12052 * config/i386/i386.c (output_set_got): Output the label if we have one
12053 for the TARGET_DEEP_BRANCH_PREDICTION case.
12055 2006-01-19 Jan Hubicka <jh@suse.cz>
12056 H.J. Lu <hongjiu.lu@intel.com>
12057 Evandro Menezes <evandro.menezes@amd.com>
12059 * invoke.texi (generic): Document
12061 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12062 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12063 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12064 (x86_use_incdec, x86_pad_returns): New variables
12065 (TARGET_CPU_DEFAULT_generic): New constant
12066 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12067 (enum processor_type): Add generic32 and generic64.
12068 * i386.md (cpu attribute): Add generic32/generic64
12069 (movhi splitter): Behave sanely when both partial_reg_dependency and
12070 partial_reg_stall are set.
12071 (K8 splitters): Enable for generic as well.
12072 * predicates.md (incdec_operand): Use TARGET_INCDEC
12073 (aligned_operand): Avoid memory mismatch stalls.
12074 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12075 * ppro.md: Enable for generic32
12076 * i386.c (generic64_cost, generic32_cost): New.
12077 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12078 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12079 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12080 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12081 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12082 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12083 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12084 x86_accumulate_outgoing_args, x86_prologue_using_move,
12085 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12086 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12087 Enable for generic.
12088 (x86_use_incdec, x86_pad_returns): New.
12089 (override_options): Add generic32 and generic64, translate "generic"
12090 to generic32/generic64 and "i686" to "generic32", refuse
12091 "generic32"/"generic64" as arch target.
12092 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12093 (ix86_reorg): Honor PAD_RETURNS.
12095 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12097 * tree-pretty-print.c (dump_generic_node): Handle
12098 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12099 * cgraph.c (cgraph_expand_queue): Rename from
12100 cgraph_analyze_queue. Update all users.
12101 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12102 cgraph_expand_queue.
12103 (cgraph_expand_all_functions): Likewise.
12104 (cgraph_finalize_pending_functions): Remove. Update callers.
12106 * tree.h (OMP_DIRECTIVE_P): Define.
12107 (OMP_PARALLEL_FN): Define.
12108 (OMP_PARALLEL_DATA_ARG): Define.
12109 (OMP_SECTIONS_SECTIONS): Define.
12110 * tree-pass.h (pass_expand_omp): Declare.
12111 * omp-low.c (struct omp_region): Declare.
12112 (struct omp_context): Remove fields 'parallel_type',
12113 'parallel_start_ix' and 'parallel_start_additional_args'.
12115 (struct omp_for_data): Rename from struct expand_omp_for_data.
12116 (omp_regions): New static variable.
12117 (root_omp_region): New static variable.
12118 (find_omp_clause): Make static.
12119 (is_in_combined_parallel_ctx): Remove.
12120 (is_combined_parallel): New.
12121 (extract_omp_for_data): Move earlier in the file.
12122 (workshare_safe_to_combine_p): New.
12123 (get_ws_args_for): New.
12124 (determine_parallel_type): Move earlier in the file.
12125 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12127 (omp_copy_decl): Likewise.
12128 (create_omp_child_function): Likewise.
12129 (lookup_omp_region): New.
12130 (dump_omp_region): New.
12131 (debug_omp_region): New.
12132 (debug_all_omp_regions): New.
12133 (new_omp_region): New.
12134 (scan_omp_parallel): If parallel_nesting_level > 1, the
12135 directive is nested within another parallel directive.
12136 Set OMP_PARALLEL_FN.
12137 (scan_omp_for): Do not try to handle combined parallel+for
12139 Remove FIXME comment.
12140 (scan_omp_nested): Remove.
12141 (scan_omp_1): Do not call scan_omp_nested when
12142 parallel_nesting_level is > 1.
12143 Do not change the DECL_CONTEXT of local variables found.
12144 (lookup_decl_in_outer_ctx): New.
12145 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12146 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12147 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12148 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12149 If CTX is nested, lookup VAR in the outer context when
12150 building copy assignment.
12151 (lower_send_clauses): Rename from expand_send_clauses.
12152 If CTX is nested, lookup VAR in the outer context when
12153 building copy assignments.
12154 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12155 If CTX is nested, lookup VAR in the outer context when
12156 building copy assignments.
12157 (expand_parallel_call): Rename from build_parallel_call.
12158 Handle combined parallel+workshare cases.
12159 Re-implement to emit code into the CFG.
12161 (expand_omp_parallel): Re-implement to emit code into the CFG.
12162 Call move_sese_region_to_fn to outline the sub-graph
12163 containing the parallel region.
12164 (expand_omp_for_1): Remove.
12165 (expand_omp_for_generic): Re-implement to emit code into the
12167 (expand_omp_for_static_nochunk): Likewise.
12168 (expand_omp_for_static_chunk): Likewise.
12169 (expand_omp_for): Likewise.
12170 (expand_omp_sections): Likewise.
12171 (remove_exit_barriers): New.
12172 (expand_omp_synch): New.
12174 (build_omp_regions_1): New.
12175 (build_omp_regions): New.
12176 (execute_expand_omp): New.
12177 (gate_expand_omp): New.
12178 (pass_expand_omp): Define.
12179 (lower_omp_sections): Rename from expand_omp_sections.
12180 Set OMP_SECTIONS_SECTIONS.
12181 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12182 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12183 (lower_omp_single): Rename from expand_omp_simple.
12184 (lower_omp_master): Rename from expand_omp_master.
12185 (lower_omp_ordered): Rename from expand_omp_ordered.
12186 (lower_omp_critical): Rename from expand_omp_critical.
12187 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12188 (lower_omp_for): Re-implement.
12189 (lower_omp_parallel): Re-implement.
12190 (lower_regimplify): Rename from expand_regimplify.
12191 (lower_omp_1): Rename from expand_omp_1.
12192 If there are syntax errors in the program, replace every
12193 OpenMP directive with NOP.
12194 Call lower_omp_* instead of expand_omp_*.
12195 (lower_omp): Rename from expand_omp.
12197 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12198 * tree-gimple.h (enum omp_parallel_type): Remove.
12199 (gimple_boolify): Declare extern.
12200 (find_omp_clause, determine_parallel_type): Remove.
12202 * gimple-low.c (lower_omp_directive): New.
12203 (lower_stmt): Call it.
12204 (record_vars_into): Move from ...
12205 (record_vars): ... here.
12206 Call record_vars_into with current_function_decl.
12208 * gimplify.c (struct gimplify_ctx): Remove fields
12209 combined_pre_p and combined_ctxp. Update users.
12210 (get_formal_tmp_var): Add documentation.
12211 (gimple_boolify): Make extern.
12212 (gimplify_expr_in_ctx): Remove. Update callers.
12213 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12214 will always be a BIND_EXPR.
12215 (gimplify_expr): Handle OMP_RETURN_EXPR.
12216 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12217 (OMP_PARALLEL): Add 3 operands.
12218 (OMP_SECTIONS): Add 1 operand.
12219 (OMP_RETURN_EXPR): Define.
12221 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12222 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12223 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12224 creating a circular free list.
12225 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12227 * tree-flow.h (move_sese_region_to_fn): Declare.
12228 (record_vars_into): Declare.
12229 * tree-cfg.c (make_omp_sections_edges): New.
12230 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12231 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12232 OMP_SECTIONS and OMP_SECTION.
12233 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12234 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12235 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12236 (gather_blocks_in_sese_region): New.
12237 (struct move_stmt_d): Declare.
12238 (move_stmt_r): New.
12239 (move_block_to_fn): New.
12240 (move_sese_region_to_fn): New.
12242 * passes.c (init_optimization_passes): Schedule
12243 pass_expand_omp after pass_init_datastructures.
12245 * tree-ssa-operands.c (get_expr_operands): Handle
12246 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12247 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12249 2006-01-19 Jeff Law <law@redhat.com>
12251 * tree-vrp.c (extract_range_from_assert): Refine the result range
12252 if the variable referenced by the ASSERT_EXPR has a range and
12253 either the tentative result range or the previous range is a
12256 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12258 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12260 2006-01-19 Jan Hubicka <jh@suse.cz>
12262 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12264 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12266 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12267 (expand_compound_operation, expand_field_assignment): Fail if the
12268 bit lengths of an extract operation are out of range.
12269 (make_extraction): Compute wanted_inner_mode based on the position
12270 and length of the extraction. Make it extraction_mode for non-constant
12271 positions, and do not modify offset in that case. When generating a
12272 new MEM, use a mode that can hold the extraction while keeping correct
12273 alignment. Remove code that supported MEMs wrapped by USEs.
12274 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12276 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12278 * config/s390/s390.md ("Y", "y"): New mode attribute.
12279 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12280 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12281 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12282 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12283 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12284 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12285 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12286 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12287 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12288 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12289 "addsi3", "subsi3"): Insn patterns removed.
12290 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12291 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12292 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12293 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12294 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12295 "*sub<mode>3_cconly2"): New insn patterns.
12296 ("addsi3", "subsi3"): New expanders.
12298 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12300 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12301 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12302 existing STMT_VINFO_VECTYPE if available.
12303 (vect_mark_relevant): Add special handling for stmts that are
12304 marked as STMT_VINFO_IN_PATTERN_P.
12305 (vect_analyze_loop): Call vect_pattern_recog.
12306 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12307 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12309 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12310 (vect_recog_func_ptr): New function-pointer type.
12311 * tree-vect-patterns.c: New file.
12312 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12313 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12314 (vect_pattern_recog_1): New functions.
12315 (vect_pattern_recog_funcs): New array of function pointers.
12317 * tree-vectorizer.h (ternary_op): New enum value.
12318 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12319 declaration. Revised documentation. Removed redundant dump prints.
12320 Removed redundant argument. Added support for reduction patterns.
12321 (vectorizable_reduction): Added support for reduction patterns.
12322 (vect_transform_stmt): Added support for patterns.
12324 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12325 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12326 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12327 (expand_widen_pattern_expr): New function.
12328 (init_optabs): Initialize new optabs udot_prod_optab,
12330 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12331 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12332 (expand_widen_pattern_expr): New function declaration.
12333 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12335 * tree-inline.c (estimate_num_insns_1): Added cases for new
12336 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12337 * tree-pretty-print.c (dump_generic_node): Likewise.
12338 (op_prio): Likewise.
12339 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12340 * tree-ssa-operands.c (get_expr_operands): Added case for
12342 * tree-vect-patterns.c (widened_name_p): New function.
12343 (vect_recog_dot_prod_pattern): Added function implementation.
12344 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12345 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12346 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12347 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12349 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12350 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12351 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12352 (init_optabs): Initialize new optabs widen_ssum_optab,
12354 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12355 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12356 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12357 use instead of type of def.
12358 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12359 function implementation.
12360 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12361 widen_ssumv8hi): New.
12363 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12366 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12369 * c-decl.c (add_flexible_array_elts_to_size): New function.
12370 (finish_decl): Use it.
12372 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12374 * diagnostic.h: Include options.h.
12375 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12376 dependancies for diagnostic.h.
12377 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12379 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12381 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12382 (ssa_ro_call_cache_valid): Ditto.
12383 * tree-ssa-alias.c (sort_tags_by_id): New function.
12384 (init_transitive_clobber_worklist): Ditto.
12385 (add_to_worklist): Ditto.
12386 (mark_aliases_call_clobbered): Ditto.
12387 (compute_tag_properties): Ditto.
12388 (set_initial_properties): Ditto.
12389 (compute_call_clobbered): Ditto.
12390 (compute_may_aliases): Call compute_call_clobbered and grouping.
12391 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12392 (compute_flow_insensitive_aliasing): Grouping now happens in our
12394 (setup_pointers_and_addressables): Remove clobbering related code.
12395 (add_may_alias): Ditto.
12396 (replace_may_alias): Ditto.
12397 (get_nmt_for): Ditto.
12398 (create_global_var):
12399 (is_escape_site): Return an escape_type enumeration.
12400 * tree-flow-inline.h (is_call_clobbered): Global var does not
12401 imply call clobbered.
12402 (mark_call_clobbered): Take a reason for marking this. Remove
12403 marking of globalness, and cache invalidation.
12404 (clear_call_clobbered): Remove cache invalidation code.
12405 * tree-dfa.c (dump_variable): If details is on, dump the reason
12407 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12409 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12410 (struct var_ann_d): Ditto.
12411 (enum escape_type): New.
12412 (mark_call_clobbered): Adjust prototype.
12413 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12414 are never call clobbered.
12415 Record reasons for escaping.
12416 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12417 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12418 (ssa_ro_call_cache_valid): Ditto.
12419 (clobbered_v_may_defs): Ditto.
12420 (clobbered_vuses): Ditto.
12421 (ro_call_vuses): Ditto.
12422 (clobber_stats): New.
12423 (init_ssa_operands): Zero out clobber stats.
12424 (fini_ssa_operands): Print out clobber stats.
12425 (get_call_expr_operands): Pass callee fndecl to
12426 add_call_read_ops).
12427 (add_call_clobber_ops): Remove use of cache.
12428 Add use of PURE_CONST information.
12429 (add_call_read_ops): Remove use of cache.
12430 Add use of static not_read information.
12432 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12434 Introduce TLS descriptors for i386 and x86_64.
12435 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12436 (TARGET_ANY_GNU_TLS): New macro.
12437 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12438 (struct machine_function): Add tls_descriptor_call_expanded_p.
12439 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12440 (ix86_current_function_calls_tls_descriptor): Likewise.
12441 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12442 (override_options): Introduce gnu2 tls dialect.
12443 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12445 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12447 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12448 (ix86_init_machine_status): Initialize new field.
12449 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12450 (ix86_tls_module_base): New.
12451 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12452 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12453 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12454 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12455 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12456 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12457 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12458 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12459 * config/i386/predicates.md (tls_modbase_operand): New.
12460 (tp_or_register_operand): New.
12462 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12464 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12465 (look_for_address_of): Ditto.
12466 (ipa_init): Walk the function decls.
12467 (static_execute): Don't set readonly on FUNCTION_DECL's.
12469 2006-01-18 Roger Sayle <roger@eyesopen.com>
12471 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12472 for shifts where the source and destination registers are different.
12474 2006-01-18 Paul Brook <paul@codesourcery.com>
12476 Merge from csl-arm-branch.
12477 2005-03-14 Julian Brown <julian@codesourcery.com>
12478 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12479 (aeabi_llsl): Likewise.
12480 (ashrdi3): Likewise.
12481 (aeabi_lasr): Likewise.
12482 (lshrdi3): Likewise.
12483 (aeabi_llsr): Likewise.
12484 2005-03-10 Julian Brown <julian@codesourcery.com>
12485 * config.gcc: Disable shared libgcc for SymbianOS.
12486 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12488 2006-01-18 DJ Delorie <dj@redhat.com>
12490 * c-pragma.c (handle_pragma_diagnostic): New.
12491 (init_pragma): Register it.
12492 * doc/extend.texi: Document it.
12494 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12495 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12496 (diagnostic_context): Add classify_diagnostic[].
12497 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12498 as errors if they're overridden to DK_WARNING.
12499 (diagnostic_initialize): Initialize classify_diagnostic[].
12500 (diagnostic_set_kind_override): New.
12501 (diagnostic_report_diagnostic): Check for kind changes.
12502 * opts.c (common_handle_option): Take lang_mask. Update callers.
12503 Handle OPT_Werror_.
12504 * common.opt (Werror=): New.
12505 * doc/invoke.texi: Document -Werror=*
12507 2006-01-18 Jeff Law <law@redhat.com>
12509 * tree-vrp.c (test_for_singularity): Correct test for new
12510 min limit. Use operand_equal_p rather than pointer equality
12511 for testing if new min/max values are equal.
12513 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12514 using range information until after propagation and folding.
12516 2006-01-18 Richard Henderson <rth@redhat.com>
12517 Aldy Hernandez <aldyh@redhat.com>
12518 Jakub Jelinek <jakub@redhat.com>
12519 Diego Novillo <dnovillo@redhat.com>
12521 * omp-low.c: New file.
12522 * c-omp.c: New file.
12524 2006-01-18 Richard Henderson <rth@redhat.com>
12525 Jakub Jelinek <jakub@redhat.com>
12526 Diego Novillo <dnovillo@redhat.com>
12528 * doc/invoke.texi: Document -fopenmp.
12529 * tree-dump.h (debug_function): Declare.
12530 * hooks.c (hook_bool_tree_bool_false): New function.
12531 (hook_tree_tree_null): Remove.
12532 (hook_tree_tree_tree_null): New.
12533 * hooks.h: Update to match.
12534 * tree-pretty-print.c (debug_tree_chain): New.
12535 (print_generic_expr): Handle TDF_CHAIN.
12536 (dump_generic_node): Handle BLOCK.
12537 Do not abort with incomplete SWITCH_EXPRs.
12538 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12539 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12540 print space after directive name.
12541 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12542 Handle OMP_MASTER and OMP_ORDERED.
12543 Handle printing of OMP_BODY just in one place, goto
12544 dump_omp_body in the rest of OMP_* nodes that have
12546 Don't handle clause nodes here. Update omp statements to
12547 use dump_omp_clauses.
12548 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12549 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12550 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12551 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12552 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12553 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12554 Adjust output for GOMP_PARALLEL.
12555 (dump_omp_clauses): New.
12556 (print_declaration): Dump DECL_VALUE_EXPR.
12557 (op_symbol_1): Split out of op_symbol.
12558 (dumping_stmts): Remove. Update all users.
12559 * cgraph.c (cgraph_analyze_queue): New.
12560 (cgraph_add_new_function): New.
12561 * cgraph.h (cgraph_analyze_queue): Declare.
12562 (cgraph_add_new_function): Declare.
12563 (cgraph_lower_function): Remove.
12564 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12565 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12566 and TYPE_P nodes in its default clause.
12567 (empty_body_p): New.
12568 (tree_range_check_failed): New.
12569 (build5_stat): New.
12570 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12571 OMP_CLAUSE_REDUCTION_MERGE,
12572 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12573 OMP_CLAUSE_PRIVATE_DEBUG,
12574 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12575 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12576 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12577 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12578 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12579 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12580 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12581 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12582 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12583 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12584 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12585 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12586 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12587 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12588 (TREE_RANGE_CHECK): New.
12589 (empty_body_p): Declare.
12590 (enum omp_clause_default_kind): New.
12591 (build_string_literal): Declare.
12592 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12593 (build5_stat, build5): Declare.
12594 * tree-pass.h (TDF_CHAIN): Define.
12595 * tree-pass.h (PROP_gimple_lomp): Define.
12596 (pass_lower_omp): Declare.
12597 * diagnostic.h (debug_tree_chain): Declare.
12598 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12600 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12601 * builtins.c (build_string_literal): Make extern.
12602 * gcc.c (include_spec_function): New.
12603 (static_spec_functions): Add it.
12604 (main): Move load of libgomp.spec ...
12605 (LINK_COMMAND_SPEC): ... here.
12606 (link_gomp_spec): New.
12607 (static_specs): Include it.
12608 (LINK_COMMAND_SPEC): Add link_gomp.
12609 (GOMP_SELF_SPECS): New.
12610 (driver_self_specs): Include it.
12611 (switch_matches): Don't mark inline.
12612 (main): Load libgomp.spec.
12613 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12614 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12615 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12616 * tree-gimple.h (enum omp_parallel): Declare.
12617 (determine_parallel_type): Declare.
12618 (omp_firstprivatize_variable): Declare.
12619 (omp_reduction_init): Declare.
12620 (diagnose_omp_structured_block_errors): Declare.
12621 (struct walk_stmt_info): Add want_return_expr.
12622 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12623 (find_omp_clause): Declare.
12624 (insert_field_into_struct): Declare.
12625 (struct walk_stmt_info): Move from tree-nested.c
12626 (walk_stmts): Declare.
12627 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12629 * cgraphunit.c (cgraph_lower_function): Make static.
12630 (cgraph_finalize_pending_functions): New.
12631 (cgraph_finalize_function): Call it.
12632 (cgraph_finalize_compilation_unit): Likewise.
12633 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12634 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12635 (BT_FN_UINT_UINT): New.
12636 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12637 DEF_FUNCTION_TYPE_VAR_4): Document.
12638 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12639 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12640 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12641 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12642 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12643 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12644 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12645 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12646 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12647 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12648 into separate files.
12649 (DEF_GOMP_BUILTIN): New.
12650 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12651 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12652 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12653 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12654 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12655 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12656 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12657 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12658 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12659 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12660 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12661 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12662 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12663 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12664 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12665 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12666 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12667 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12668 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12669 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12670 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12671 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12672 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12673 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12674 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12675 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12676 * sync-builtins.def: New file, moved from builtins.def.
12677 * omp-builtins.def: New file, moved from builtins.def.
12678 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12679 * gimple-low.c (lower_function_body): Clear data.
12680 (lower_stmt): Do not handle COMPOUND_EXPR.
12681 Remove call to print_node_brief.
12682 * c-tree.h (c_finish_omp_clauses): New prototype.
12683 (C_DECL_THREADPRIVATE_P): Define.
12684 (lookup_name_no_remap, c_omp_remap_private): Remove
12685 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12686 (check_for_loop_decls): Update decl.
12687 (lookup_name_no_remap, c_omp_remap_private): Declare.
12688 (build_indirect_ref, build_modify_expr, pushdecl,
12689 pushdecl_top_level): Move to c-common.h.
12690 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12691 before the switch, but just in the 2 places that need it.
12692 * c-decl.c (diagnose_mismatched_decls): Do not check for
12693 mismatched thread-local attributes when OLDDECL is marked
12694 threadprivate and NEWDECL has no thread-local attributes.
12695 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12696 (c_gimple_diagnostics_recursively): Rename from
12697 c_warn_unused_result_recursively. Invoke
12698 diagnose_omp_structured_block_errors.
12699 (check_for_loop_decls): Return a singular decl found.
12700 * langhooks.c (lhd_omp_predetermined_sharing): Return
12701 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12702 (lhd_omp_firstprivatize_type_sizes): New.
12703 (lhd_omp_assignment): New.
12704 (lhd_omp_predetermined_sharing): New.
12705 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12706 (struct lang_hooks_for_types): Add
12707 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12708 omp_predetermined_sharing, omp_disregard_value_expr,
12709 omp_private_debug_clause, omp_clause_default_ctor,
12710 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12711 (c_finish_omp_clauses): New.
12712 (c_finish_bc_stmt): Diagnose break within omp for.
12713 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12714 (build_unary_op): Return error_mark after reporting
12716 (build_modify_expr): Likewise.
12717 * gimplify.c: Include optabs.h and pointer-set.h.
12718 (enum gimplify_omp_var_data): Declare.
12719 (struct gimplify_omp_ctx): Declare.
12720 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12722 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12723 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12724 (splay_tree_compare_decl_uid): New.
12725 (new_omp_context): New.
12726 (delete_omp_context): New.
12727 (gimple_add_tmp_var): Call omp_add_variable.
12728 (gimplify_bind_expr): Likewise.
12729 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12730 true, disregard DECL_VALUE_EXPR on the decl if any.
12731 (gimplify_expr_in_ctx): New.
12732 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12733 omp_add_variable, omp_notice_variable, omp_is_private
12734 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12735 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12736 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12737 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12738 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12739 gimplify_omp_atomic): New.
12740 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12741 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12742 OMP_CRITICAL and OMP_ATOMIC.
12743 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12744 * c-pragma.h (enum pragma_kind): Add
12745 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12746 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12747 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12748 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12749 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12750 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12751 PRAGMA_OMP_THREADPRIVATE.
12752 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12753 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12754 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12755 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12756 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12757 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12758 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12759 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12760 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12761 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12762 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12763 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12764 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12766 (struct nesting_info): Add field_map,
12767 suppress_expansion, debug_var_chain.
12768 (create_nesting_tree): Initialize them.
12769 (lookup_field_for_decl): Use field_map.
12770 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12771 (convert_local_omp_clauses): New.
12772 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12773 (walk_body): Split out of walk_function.
12774 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12775 (convert_nonlocal_reference): Handle omp statements.
12776 (convert_local_reference): Likewise.
12777 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12778 (unnest_nesting_tree): New.
12779 (lower_nested_functions): Call it.
12780 (insert_field_into_struct): Make extern.
12781 (struct walk_stmt_info): Move to tree-gimple.h.
12782 (walk_stmts): Make extern.
12783 * omp-builtins.def: New file.
12784 * tree-iterator.c (expr_only): Clarify comment.
12785 * c-common.h (pushdecl_top_level, pushdecl,
12786 build_modify_expr, build_indirect_ref,
12787 c_finish_omp_master, c_finish_omp_critical,
12788 c_finish_omp_ordered, c_finish_omp_barrier,
12789 c_finish_omp_atomic, c_finish_omp_flush,
12790 c_finish_omp_for, c_split_parallel_clauses,
12791 omp_clause_default_kind, c_omp_sharing_predetermined,
12792 c_omp_remap_decl): Declare.
12793 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12794 (OBJS-common): Add omp-low.o.
12795 (c-omp.o, omp-low.o): Add.
12796 (gimplify.o): Add dependency on $(OPTABS_H).
12797 (GTFILES): Add omp-low.c.
12798 (gt-stringpool.h): Add.
12799 * tree-cfg.c (set_bb_for_stmt): Do not update the
12800 block-to-labels map if we are currently expanding to RTL.
12801 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12803 Handle IDENTIFIER_NODE.
12804 (tree_verify_flow_info): Do not ICE when emitting error
12805 messages about invalid labels.
12806 (dump_function_to_file): Reset CFUN before emitting the body
12808 (debug_function): New.
12809 * passes.c (init_optimization_passes): Schedule
12811 * langhooks-def.h (lhd_omp_predetermined_sharing,
12812 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12814 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12815 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12816 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12817 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12818 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12819 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12820 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12821 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12822 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12823 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12824 (LANG_HOOK_DECLS): Use them.
12826 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12827 Richard Henderson <rth@redhat.com>
12828 Jakub Jelinek <jakub@redhat.com>
12829 Diego Novillo <dnovillo@redhat.com>
12831 * c-parser.c (pragma_omp_clause): Define.
12832 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12833 (c_parser_compound_statement): Likewise.
12834 (c_parser_statement): Likewise.
12835 (c_parser_pragma): Handle omp pragmas.
12836 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12837 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12838 (c_parser_omp_clause_name, check_no_duplicate_clause,
12839 c_parser_omp_variable_list,
12840 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12841 c_parser_omp_clause_copyprivate,
12842 c_parser_omp_clause_default,
12843 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12844 c_parser_omp_clause_lastprivate,
12845 c_parser_omp_clause_nowait,
12846 c_parser_omp_clause_num_threads,
12847 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12848 c_parser_omp_clause_reduction,
12849 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12850 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12851 c_parser_omp_atomic, c_parser_omp_barrier,
12852 c_parser_omp_critical, c_parser_omp_flush,
12853 c_parser_omp_for_loop, c_parser_omp_for,
12854 c_parser_omp_master, c_parser_omp_ordered,
12855 c_parser_omp_sections_scope, c_parser_omp_sections,
12856 c_parser_omp_parallel, c_parser_omp_single,
12857 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12858 * c-pragma.c (init_pragma): Do omp pragma registration here.
12859 * c.opt (fopenmp): New flag.
12861 2006-01-18 Eric Christopher <echristo@apple.com>
12863 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12864 * config/darwin.h (GOMP_SELF_SPECS): Define.
12866 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12868 * rtl.h: Remove the prototype for reg_alloc.
12870 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12873 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12874 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12875 sjlj and dwarf2 exception handling.
12876 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12877 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12878 * pa/pa.c (function_value): Treat complex and vector types as
12880 (function_arg): Likewise. Only pass scalar floats in the floating
12881 point argument registers.
12882 * pa/t-slibgcc-dwarf-ver: New file.
12883 * pa/t-slibgcc-sjlj-ver: New file.
12884 * pa/t-slibgcc-elf-ver: Delete file.
12886 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12888 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12889 unlikely_test_section_p test.
12891 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12893 * mode-switching.c (optimize_mode_switching): Make it static.
12894 * basic-block.h: Remove the prototype for
12895 optimize_mode_switching.
12897 * modulo-sched.c (sms_schedule): Make it static.
12898 * rtl.h: Remove the prototype for sms_schedule.
12900 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12901 * rtl.h: Remove the prototype for gcse_after_reload_main.
12903 * reg-stack.c (reg_to_stack): Make it static.
12904 * rtl.h: Remove the prototype for reg_to_stack.
12906 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12908 * rtl.h: Remove the prototypes for regrename_optimize and
12909 copyprop_hardreg_forward.
12911 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12913 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12914 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12915 Test against the appropriate null constant for the mode.
12916 If 'fixup_overlap' is true, swap the operands if they overlap.
12917 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12918 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12919 alpha_split_tmode_pair and adjust for above change.
12920 * config/alpha/alpha.md (movtf_internal): Adjust call to
12921 alpha_split_tfmode_pair and rely on it to swap the operands.
12922 (movti_internal): New insn and post-reload splitter.
12923 (movti): New expander.
12925 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12927 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12930 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12932 * rtlanal.c (global_reg_mentioned_p_1,
12933 global_reg_mentioned_p): Remove.
12934 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12936 * flow.c (initialize_uninitialized_subregs): Make it static.
12937 * rtl.h: Remove the prototype for
12938 initialize_uninitialized_subregs.
12940 * function.c (instantiate_virtual_regs): Make it static.
12941 * function.h: Remove the prototype for
12942 instantiate_virtual_regs.
12944 * regmove.c (regmove_optimize, combine_stack_adjustments):
12946 * rtl.h: Remove the prototypes for regmove_optimize and
12947 combine_stack_adjustments.
12949 2006-01-17 Roger Sayle <roger@eyesopen.com>
12951 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12952 (size_cost): Encode costs in bytes so that a reg-reg addition is
12953 equivalent to COSTS_N_INSNS(1).
12954 (override_options): Use the size_cost.branch_cost as the default
12955 ix86_branch_cost when optimizing for size.
12957 2006-01-18 Ben Elliston <bje@au.ibm.com>
12959 * Makefile.in (D32PBIT_FUNCS): New.
12960 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12961 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12962 D64PBIT_FUNCS and D128PBIT_FUNCS.
12963 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12964 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12966 (decnumber_dep): Define.
12967 * doc/libgcc.texi (Decimal float library routines): New node.
12968 * config/dfp-bit.h, config/dfp-bit.c: New files.
12970 2006-01-18 Ben Elliston <bje@au.ibm.com>
12972 * expr.c (emit_move_change_mode): Always adjust addresses, not
12973 just during reload. Copy replacements only during reload.
12974 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12975 emit_move_via_integer.
12977 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12979 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12980 instead of $(srcdir) and ${srcdir}.
12982 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12985 PR middle-end/11135
12986 * arm.h (struct machine_function): Add pic_reg.
12987 * arm.c (arm_pic_register): Make unsigned.
12988 (arm_override_options): Only set arm_pic_register if
12989 TARGET_SINGLE_PIC_BASE.
12990 (use_return_insn): Only test for a pic register if it is fixed.
12991 (arm_compute_save_reg0_reg12_mask): Likewise.
12992 (thumb_compute_save_reg_mask): Likewise.
12993 (legitimate_pic_operand): Factor out some known invariants.
12994 (legitimize_pic_address): If we don't have a fixed pic register,
12995 then set up a pseudo in the function entry sequence. Handle the
12996 pic base being in a pseudo.
12997 (arm_load_pic_register): Handle the pic register being in a pseudo.
12998 (arm_expand_prologue): Only set up the pic register if it is fixed.
12999 (thumb_expand_prologue): Likewise.
13000 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13001 (pic_load_addr_based_insn): Likewise.
13002 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13005 2006-01-18 Ben Elliston <bje@au.ibm.com>
13007 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13008 decimal float modes for all floating point registers.
13010 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13011 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13013 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13016 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13017 even when the pointer is not NULL.
13019 2006-01-16 Ian Lance Taylor <ian@airs.com>
13021 * common.opt (ftoplevel-reorder): New option.
13022 * cgraph.c (cgraph_asm_nodes): New global variable.
13023 (cgraph_asm_last_node): New static variable.
13024 (cgraph_order): New global variable.
13025 (cgraph_create_node): Set new order field.
13026 (cgraph_varpool_node): Likewise.
13027 (decide_is_variable_needed): Return true if not
13028 flag_toplevel_reorder.
13029 (cgraph_add_asm_node): New function.
13030 * cgraph.h (struct cgraph_node): Add order field.
13031 (struct cgraph_varpool_node): Add order field.
13032 (struct cgraph_asm_node): Define.
13033 (cgraph_asm_nodes, cgraph_order): Declare.
13034 (cgraph_add_asm_node): Declare.
13035 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13037 (cgraph_varpool_assemble_pending_decls): Call it.
13038 (cgraph_output_pending_asms): New static function.
13039 (cgraph_finalize_compilation_unit): Call it.
13040 (struct cgraph_order_sort): Define.
13041 (cgraph_output_in_order): New static function.
13042 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13043 !flag_toplevel_reorder case.
13044 * c-parser.c: Include "cgraph.h".
13045 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13047 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13048 than -fno-unit-at-a-time.
13049 * doc/invoke.texi (Option Summary): Mention
13050 -fno-toplevel-reorder.
13051 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13052 -funit-at-a-time documentation.
13054 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13055 Kazu Hirata <kazu@codesourcery.com>
13057 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13059 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13061 * Makefile.in (FUNCTION_H): New. Use it instead of
13062 function.h throughout the file.
13063 * function.h: Include tree.h.
13065 2006-01-17 Ben Elliston <bje@au.ibm.com>
13067 * recog.c: Separate some functions with whitespace.
13069 2006-01-16 Richard Henderson <rth@redhat.com>
13071 Merge from gomp branch:
13072 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13073 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13074 and rename from struct inline_data. Rename callee* to dst*;
13075 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13076 transform_new_cfg, transform_return_to_modify, and
13077 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13079 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13080 (copy_decl_for_dup): Remove.
13081 * tree-inline.c (struct inline_data): Move to header.
13082 (insert_decl_map): Export.
13083 (remap_decl): Update for member name changes. Use copy_decl hook.
13084 Allow for replacement to be a non-decl. Remove dead code.
13085 (remap_type_1): Check for existing mapping.
13086 (remap_type): Export.
13087 (remap_decls): Update for member name changes.
13088 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13089 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13090 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13091 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13092 (tree_function_versioning, build_duplicate_type): Likewise.
13093 (copy_body_r): Likewise. Export.
13094 (copy_decl_for_dup): Split into ...
13095 (copy_decl_for_dup_finish, copy_decl_to_var,
13096 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13097 (replace_ref_tree, inlining_p): Remove.
13099 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13101 * ifcvt.c (if_convert): Make it static.
13102 * rtl.h: Remove the prototype for if_convert.
13104 * local-alloc.c (local_alloc): Make it static.
13105 * rtl.h: Remove the prototype for local_alloc.
13107 * loop.c (loop_optimize): Make it static.
13108 * cfgloop.h: Remove the prototype for loop_optimize.
13111 2006-01-16 DJ Delorie <dj@redhat.com>
13113 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13116 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13118 * pa.md: Disparage copies between general and floating-point registers
13119 in 32-bit move patterns.
13121 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13124 * Makefile.in (check-%): Depend on site.exp instead of
13125 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13128 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13130 * global.c (global_alloc): Make it static.
13131 * rtl.h: Remove the prototype for global_alloc.
13133 2006-01-16 Richard Guenther <rguenther@suse.de>
13135 * tree-ssa-alias.c (struct used_part): Add write_only field.
13136 (get_or_create_used_part_for): Initialize it to true.
13137 (create_overlap_variables_for): Don't create structure variables
13138 for structures that only are written to.
13139 (find_used_portions): Handle MODIFY_EXPR to track whether a
13140 structure is only written to.
13142 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13144 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13146 * basic-block.h: Remove the prototype for
13147 partition_hot_cold_basic_blocks.
13149 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13151 * cppspec.c (lang_specific_spec_functions): Remove.
13152 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13153 * gcc.h (lang_specific_spec_functions): Remove.
13154 * gccspec.c (lang_specific_spec_functions): Remove.
13156 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13158 * combine.c (record_value_for_reg): Invalidate registers
13160 (record_dead_and_set_regs_1): Likewise, by passing them to
13161 record_value_for_reg.
13162 (record_dead_and_set_regs): Invalidate stores made by a
13163 call. We do not combine across a call, but we still
13164 relied on equivalences.
13166 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13168 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13169 vrp_int_const_binop returning non-constant nodes.
13171 2006-01-16 Paul Brook <paul@codesourcery.com>
13173 * config/m68k/m68k.c (output_move_const_into_data_reg):
13174 Output correct mnemonic for mvz and mvs.
13176 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13178 * rtl-factoring.c: Add sequence abstraction algorithm.
13179 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13180 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13182 (block_has_preserve_label): New function.
13183 * common.opt: Register new pass.
13184 * Makefile.in: Ditto.
13186 * timevar.def: Ditto.
13187 * tree-pass.h: Ditto.
13188 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13189 * rtl.h (make_jump_insn_raw): Add forward decl.
13190 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13192 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13193 Roger Sayle <roger@eyesopen.com>
13195 * fold-const.c (fold_minmax): New static function.
13196 (fold_binary) <MIN_EXPR>: Call it.
13197 <MAX_EXPR>: Likewise.
13198 * stor-layout.c (place_field): Use DECL_SIZE consistently
13199 in the computation of the new record size.
13201 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13203 * cse.c (cse_condition_code_reg): Make it static.
13204 * rtl.h: Remove the prototype for cse_condition_code_reg.
13206 * combine.c (combine_instructions): Make it static.
13207 * rtl.h: Remove the prototype for combine_instructions.
13209 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13212 * tree.c (get_file_function_name_long): Concatenate the first global
13213 object name with a string derived from the input filename of the object
13216 2006-01-16 Ben Elliston <bje@au.ibm.com>
13218 * config/i386/winnt-stubs.c: Update FSF address.
13219 * config/xtensa/ieee754-df.S: Ditto.
13220 * config/xtensa/ieee754-sf.S: Ditto.
13222 2006-01-14 Ian Lance Taylor <ian@airs.com>
13224 * ifcvt.c (noce_init_if_info): New static function, broken out of
13225 noce_process_if_block.
13226 (noce_process_if_block): Call noce_init_if_info.
13227 (check_cond_move_block): New static function.
13228 (cond_move_process_if_block): New static function.
13229 (process_if_block): Call cond_move_process_if_block.
13231 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13233 * cselib.c (hash_table): Rename to cselib_hash_table.
13234 (cselib_clear_table, discard_useless_values,
13235 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13236 cselib_init, cselib_finish): Adjust uses of hash_table.
13238 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13240 PR tree-optimization/25485
13241 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13242 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13243 is known to be false and true, respectively.
13245 2006-01-14 Richard Guenther <rguenther@suse.de>
13247 PR tree-optimization/22548
13248 PR tree-optimization/22555
13249 PR tree-optimization/22501
13250 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13251 * params.def (salias-max-array-elements): New parameter.
13252 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13253 * doc/invoke.texi (salias-max-array-elements): Document.
13254 * tree-flow-inline.h (var_can_have_subvars): We also handle
13256 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13258 * tree-ssa-structalias.c (params.h): Include.
13259 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13260 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13261 (get_constraint_for): For ADDR_EXPR operating on something
13262 containing an ARRAY_REF, add all subvars to the solution.
13263 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13264 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13265 for creating MUST_DEFs.
13266 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13268 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13270 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13272 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13273 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13274 number_of_iterations_le): New functions.
13275 (number_of_iterations_special): Removed.
13276 (number_of_iterations_exit): Do not use number_of_iterations_special.
13277 * tree.c (unsigned_type_for): Always return integer type.
13279 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13280 Richard Guenther <rguenther@suse.de>
13282 PR rtl-optimization/24257
13283 * gcse.c (find_moveable_store): Only consider a store movable
13284 when the SET_SRC of the insn can be assigned to a register.
13286 2006-01-14 Ian Lance Taylor <ian@airs.com>
13288 * tree.c (tree_not_class_check_failed): New function.
13289 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13290 (tree_not_class_check_failed): Declare.
13292 2006-01-13 Ian Lance Taylor <ian@airs.com>
13294 * reload1.c (do_output_reload): Add assertion rejecting a
13297 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13299 * combine.c (struct reg_stat): Add new fields truncation_label and
13301 (record_value_for_reg): Reset truncated_to_mode.
13302 (record_truncated_value): New function.
13303 (check_promoted_subreg): Call it. Rename to check_conversions.
13304 (combine_instructions): Rename check_promoted_subreg to
13306 (reg_truncated_to_mode): New function.
13307 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13308 (gen_lowpart_or_truncate): New function.
13309 (force_to_mode): Use it instead of gen_lowpart.
13311 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13313 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13314 VAR is a tag, not its type tag.
13316 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13318 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13319 alternatives to match style of other entries.
13320 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13322 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13324 PR tree-optimization/25771
13325 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13328 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13331 * tree-inline.c (declare_return_variable): If the return variable
13332 was marked as a non gimple complex, set the return slot variable
13333 to be a non gimple comple variable.
13335 2006-01-13 Richard Guenther <rguenther@suse.de>
13337 * builtins.c (expand_builtin_sincos): New function.
13338 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13340 (expand_builtin): Expand sincos using expand_builtin_sincos.
13342 2006-01-12 DJ Delorie <dj@redhat.com>
13344 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13345 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13346 so that constant shifts can be split.
13347 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13348 (m32c_valid_pointer_mode): Make static.
13349 (shift_gen_func_for): New.
13350 (m32c_prepare_shift): Use it. Split large const shifts into
13352 * config/m32c/predicates.md (shiftcount_operand): Allow more
13354 (longshiftcount_operand): New.
13355 * doc/md.texi (Machine Constraints): Document In6.
13357 2006-01-13 Ben Elliston <bje@au.ibm.com>
13359 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13360 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13363 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13365 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13366 to try to avoid clobbering pieces of structures when we know
13367 something about the whole structure.
13368 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13370 2006-01-13 Ben Elliston <bje@au.ibm.com>
13372 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13373 return in memory, as this is no limitation is no longer present.
13375 2006-01-12 DJ Delorie <dj@redhat.com>
13377 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13378 mova with fb, and for fb+0 -> An.
13380 * config/m32c/mov.md (peephole2): Fix enabling logic.
13382 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13383 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13384 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13385 FINI_ARRAY_SECTION_ASM_OP): Define.
13387 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13389 (m32c_legitimize_reload_address): New logic to reload FB to An.
13390 (m32c_output_reg_push): Add newline.
13391 (m32c_output_reg_pop): Likewise.
13393 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13395 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13397 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13399 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13401 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13403 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13406 2006-01-11 Ben Elliston <bje@au.ibm.com>
13408 * rtlanal.c (find_reg_note): Assert insn is not null.
13410 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13412 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13415 2006-01-11 Jeff Law <law@redhat.com>
13417 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13419 (mark_threaded_blocks, register_jump_thread): New functions.
13420 (thread_through_all_blocks): Remove unwanted argument. No
13421 longer rely on e->aux to communicate thread target info.
13422 Call mark_threaded_blocks. Release the threaded_blocks
13423 bitmap and threaded_edges vector when complete.
13424 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13425 (threaded_blocks): Remove.
13426 (tree_ssa_dominator_optimize): Remove initialization and
13427 finalization of threaded_blocks. Simplify call to
13428 thread_through_all_blocks.
13429 (thread_across_edge): Call register_jump_thread rather than
13430 storing thread information into e->aux.
13431 (free_all_edge_infos): Simplify now that e->aux is no longer
13432 used to communicate with thread_through_all_blocks.
13433 * tree-flow.h (thread_through_all_blocks): Update prototype.
13434 (register_jump_thread): Prototype.
13436 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13438 * df-core.c (df_compact_blocks, df_bb_replace): Use
13439 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13441 2006-01-11 Richard Guenther <rguenther@suse.de>
13443 PR tree-optimization/25734
13444 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13445 stop propagation after successful propagation to the LHS.
13447 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13449 * basic-block.h (control_flow_graph): Change the type of
13450 x_basic_block_info to VEC(basic_block,gc) *.
13451 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13453 (SET_BASIC_BLOCK): New.
13454 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13455 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13456 * cfgbuild.c (find_basic_blocks): Likewise.
13457 * cfglayout.c (fixup_reorder_chain): Likewise.
13458 * cfgrtl.c (create_basic_block_structure,
13459 rtl_create_basic_block): Likewise.
13460 * ifcvt.c (find_if_case_1): Likewise.
13461 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13464 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13466 * Makefile.in: Removed rotted odf.c entry.
13468 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13471 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13472 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13473 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13474 output pattern modifier, not %e.
13475 * config/cris/cris.c (cris_op_str): Update comment about pattern
13477 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13478 before falling through into...
13479 <case 'E'>: Redefined from old 'e' case.
13481 2006-01-11 Jan Hubicka <jh@suse.cz>
13484 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13486 2006-01-11 Jan Hubicka <jh@suse.cz>
13488 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13489 * i386.c (x86_decompose_lea): Kill.
13490 (ix86_rtx_costs): Kill.
13492 2006-01-11 Jan Hubicka <jh@suse.cz>
13494 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13495 * cgraph.h (cgraph_node): Add inline_decl.
13496 (cgraph_insert_node_to_hashtable): Declare.
13497 (save_inline_function_body): Declare.
13498 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13500 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13501 (cgraph_function_versioning): Update call of tree_function_versioning.
13502 (save_inline_function_body): New function.
13503 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13504 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13505 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13506 (cgraph_default_inline_p): Likewise.
13507 (cgraph_decide_inlining_incrementally): Likewise.
13508 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13509 (copy_bb): Kill saving; do updating of clones.
13510 (copy_cfg_body): Kill saving.
13511 (initialize_inlined-parameters): Likewise.
13512 (expand_call_inline): Likewise.
13514 (tree_function_versioning): New parameter "update_clones".
13515 (inlining_p): Kill saving.
13516 * tree-inline.h (tree_function_versioning): Update prototype.
13517 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13520 2006-01-11 Ian Lance Taylor <ian@airs.com>
13522 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13523 Allow undoing set of machine mode.
13524 (do_SUBST): Use enums instead of is_int.
13525 (do_SUBST_MODE): New function.
13526 (SUBST_MODE): New macro.
13527 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13528 reg and trying to replace reg_regno_rtx with a new register.
13529 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13530 (simplify_set): Use SUBST_MODE.
13531 (distribute_notes): Remove code that tried to update reg notes
13532 for regno_reg_rtx changes.
13534 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13536 PR tree-optimization/23109
13537 PR tree-optimization/23948
13538 PR tree-optimization/24123
13540 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13541 * tree-cfg.c (single_noncomplex_succ): New.
13542 * tree-flow.h (single_noncomplex_succ): Declare it.
13543 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13544 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13545 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13546 insert_bb, register_division_in, insert_reciprocals,
13547 replace_reciprocal, free_bb): New.
13548 (execute_cse_reciprocals_1): Rewritten.
13549 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13550 Do not commit any edge insertion. Always compute dominators and
13551 create the allocation pool.
13552 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13553 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13554 * targhooks.c (default_min_divistions_for_recip_mul): New.
13555 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13556 * passes.c (init_optimization_passes): Run recip after tree loop
13558 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13560 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13561 Kenneth Zadeck <zadeck@naturalbridge.com>
13563 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13564 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13565 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13566 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13567 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13568 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13569 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13570 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13571 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13572 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13573 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13574 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13575 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13576 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13577 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13578 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13579 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13580 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13581 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13582 DF_SCAN_POST_ALLOC): New macros.
13583 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13584 df_free_bb_function, df_local_compute_function, df_init_function,
13585 df_dataflow_function, df_confluence_function_0,
13586 df_confluence_function_n, df_transfer_function,
13587 df_finalizer_function, df_free_function, df_dump_problem_function,
13588 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13589 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13590 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13591 df_urec_bb_info, ) New types.
13592 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13594 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13595 df_analyze_simple_change_some_blocks,
13596 df_analyze_simple_change_one_block, df_compact_blocks,
13597 df_bb_replace, df_bb_regno_last_use_find,
13598 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13599 df_insn_regno_def_p, df_find_def, df_find_use,
13600 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13601 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13602 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13603 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13604 debug_df_chain, df_get_dependent_problem, df_chain_create,
13605 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13606 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13607 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13608 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13609 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13610 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13611 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13612 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13613 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13614 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13615 df_reorganize_refs, df_set_state, df_hard_reg_init,
13616 df_read_modify_subreg_p) New public functions.
13617 * df-core.c: The core dataflow solver and glue routines for rtl
13619 (df_init, df_add_problem, df_set_blocks, df_finish,
13620 df_hybrid_search_forward, df_hybrid_search_backward,
13621 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13622 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13623 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13624 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13625 df_reg_defined, df_find_use, df_reg_used, df_dump,
13626 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13627 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13628 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13629 debug_df_useno, reset_df_after_reload): New functions.
13630 * df-scan.c: The scanning fuctions, once in df.c, completely
13631 rewritten so that they now fully model the functionality of
13632 register usage at the backend.
13633 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13634 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13635 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13636 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13637 df_get_artificial_defs, df_get_artificial_uses,
13638 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13639 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13640 df_refs_delete, df_reorganize_refs, df_set_state,
13641 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13642 df_def_record_1, df_defs_record, df_uses_record,
13643 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13644 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13645 df_record_exit_block_uses, df_hard_reg_init): New functions.
13647 * df-problems.c: Seven concrete dataflow problems that use the
13648 scanning in df-scan.c and are solved by the engine in df-core.c.
13649 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13650 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13651 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13652 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13653 df_ru_free_bb_info, df_ru_alloc,
13654 df_ru_bb_local_compute_process_def,
13655 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13656 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13657 df_ru_transfer_function, df_ru_free, df_ru_dump,
13658 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13659 df_rd_free_bb_info, df_rd_alloc,
13660 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13661 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13662 df_rd_transfer_function, df_rd_free, df_rd_dump,
13663 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13664 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13665 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13666 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13667 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13668 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13669 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13670 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13671 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13672 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13673 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13674 df_urec_mark_reg_use_for_earlyclobber,
13675 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13676 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13677 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13678 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13679 df_chain_create_bb_process_use, df_chain_create_bb,
13680 df_chain_finalize, df_chain_free, df_chains_dump,
13681 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13682 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13683 df_reg_lifetime): New functions.
13684 * df.c: Deleted file.
13685 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13686 consistent with new df api.
13687 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13688 rest_of_handle_sms): Ditto.
13689 * web.c (unionfind_union, union_defs, entry_register, web_main):
13691 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13692 invariant_expr_equal_p, find_defs, check_dependencies,
13693 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13694 free_inv_motion_data, move_loop_invariants): Ditto.
13695 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13696 Update dependencies.
13697 (odf.c): Added defective entry that was deleted later in day.
13698 * sched-deps.c (sched_analyze_1): Ditto.
13700 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13702 * tree-ssa-operands.c (get_expr_operands): Record addressable
13703 variables directly. Do not call add_stmt_operands for CONST_DECLs
13705 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13706 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13708 2006-01-11 Ben Elliston <bje@au.ibm.com>
13710 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13711 function returns true in the positive case.
13713 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13716 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13717 for SI, DI, SF and DF modes. Add alternatives to copy between
13718 general and floating point registers to the 32-bit patterns.
13719 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13720 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13721 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13722 generating 64-bit code.
13723 * config/pa/pa.c (output_move_double): Handle copies between general
13724 and floating registers.
13726 2006-01-10 Stuart Hastings <stuart@apple.com>
13728 * config/i386/i386.md (set_got): Update.
13729 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13730 (builtin_setjmp_receiver): Mach-O support.
13731 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13732 (GOT_SYMBOL_NAME): Define.
13733 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13734 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13735 * config/i386/i386.c (override_options): Revise for Darwin.
13736 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13737 support. (darwin_x86_file_end): New. (output_set_got): Add label
13738 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13739 * config/i386/i386-protos.h (output_set_got): Likewise.
13740 * config/darwin.c (machopic_legitimize_pic_address): Update
13743 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13745 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13746 when MODE isn't BLKmode.
13748 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13750 PR rtl-optimization/25367
13751 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13753 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13756 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13757 for a negative bound.
13759 2006-01-10 Richard Guenther <rguenther@suse.de>
13761 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13762 Never override with anything constraint.
13764 2006-01-10 Jan Beulich <jbeulich@novell.com>
13766 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13767 256 bits when optimize_size.
13769 2006-01-10 Jan Beulich <jbeulich@novell.com>
13771 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13773 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13774 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13777 2006-01-10 Ben Elliston <bje@au.ibm.com>
13779 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13781 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13782 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13783 (USE_FP_FOR_ARG): Reject decimal float modes.
13784 (function_arg_advance): Likewise.
13785 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13786 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13787 point types in AltiVec vectors.
13788 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13789 (rs6000_libcall_value): Likewise.
13791 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13793 * config/xtensa/ieee754-df.S: New file.
13794 * config/xtensa/ieee754-sf.S: New file.
13795 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13796 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13797 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13799 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13801 * config/sh/predicates.md (binary_float_operator,
13802 binary_logical_operator, commutative_float_operator,
13803 equality_comparison_operator, greater_comparison_operator,
13804 less_comparison_operator, logical_operator,
13805 noncommutative_float_operator, shift_operator,
13806 symbol_ref_operand, unary_float_operator): Remove redundant
13809 2006-01-09 Jeff Law <law@redhat.com>
13811 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13812 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13813 now unused arguments. Callers updated.
13814 (eliminate_redundant_computations): Remove now unused arguments,
13816 (local_fold): Remove, no longer used.
13817 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13819 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13820 (simplify_cond): New function.
13821 (forward_propagate_into_cond): Call simplify_cond.
13823 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13825 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13826 (*vec_extractv2di_1_sse): New.
13828 2006-01-09 Ben Elliston <bje@au.ibm.com>
13830 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13832 2006-01-08 Richard Guenther <rguenther@suse.de>
13834 * tree-ssa-structalias.c (get_constraint_for): Remove
13835 anyoffset argument.
13836 (get_constraint_for_component_ref): Likewise.
13837 (do_deref): Likewise.
13838 (get_constraint_for): Likewise.
13839 (do_structure_copy): Likewise.
13840 (handle_ptr_arith): Likewise.
13841 (find_func_aliases): Likewise. Remove unused need_anyoffset
13844 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13845 Kaz Kojima <kkojima@gcc.gnu.org>
13847 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13848 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13849 (EXTRA_CONSTRAINT_C16): Remove.
13850 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13851 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13852 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13853 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13854 constants of SHmedia. Handle nested constant expressions of
13856 (andcosts): Fix the costs for SHmedia constants.
13857 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13858 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13859 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13860 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13861 (movv4hi_i, movv2si_i): Likewise.
13862 (movsi_const): Adjust the second operand of ior so to match with
13863 the Csu constraint.
13864 (movdi_const, movdi_const_32bit): Likewise.
13865 (movdi_const_16bit+1): Don't sign-extend LOW.
13866 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13868 (*double_shori): Fix the split condition. Use GEN_INT instead
13869 of get_int_mode calls. Mask lower 16-bit of the argument of
13871 (sym2GOTPLT): Remove.
13872 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13874 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13875 instead of EXTRA_CONSTRAINT_C16.
13877 2006-01-07 Ian Lance Taylor <ian@airs.com>
13878 David Edelsohn <edelsohn@gnu.org>
13880 PR rtl-optimization/25662
13881 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13882 for constant operands instead of simplify_gen_binary.
13883 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13884 after trying simplify_binary_operation
13886 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13888 * tree.c (iterative_hash_expr): Hash decls based on UID.
13890 2006-01-06 Eric Christopher <echristo@apple.com>
13892 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13893 (TARGET_UNWIND_EMIT): Fix spelling.
13894 * target.h (gcc_target): Add except_table_label.
13895 * except.c (output_function_exception_table): Use.
13896 * varasm.c (default_emit_except_table_label): New.
13897 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13899 (asm_out): Add here.
13900 * output.h (default_emit_except_table_label): Prototype.
13901 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13902 * config/darwin.c (darwin_emit_except_table_label): Define.
13903 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13905 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13907 PR tree-optimization/18527
13908 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13909 number_of_iterations_special, number_of_iterations_exit):
13910 Move base and step of an iv to a single structure. Add
13911 no_overflow flag, and use it in # of iterations analysis.
13912 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13913 folded_casts argument.
13914 (simple_iv): Pass base and step in a structure. Set no_overflow
13916 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13917 Evaluate expensiveness of computing # of iterations instead of
13918 the final expression.
13919 * tree-scalar-evolution.h (affine_iv): New structure.
13920 (simple_iv): Declaration changed.
13921 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13922 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13923 find_givs_in_stmt): Changed due to simple_iv change.
13925 2006-01-06 Jeff Law <law@redhat.com>
13928 * tree-cfg.c (bsi_replace): Rename final argument from
13929 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13930 change (stmt -> orig_stmt).
13931 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13932 (bsi_remove): Add new argument. Remove EH information
13934 (verify_eh_throw_table_statements): New function.
13935 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13937 * tree-optimize.c (execute_free_cfg_annotations): Verify
13938 the EH throw statement table after removing annotations.
13939 * except.h (verify_eh_throw_table_statements): Prototype.
13940 * tree-flow.h (bsi_remove): Update prototype.
13941 * tree-vrp.c (remove_range_assertions): Add new argument to
13943 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13944 * tree-complex.c (expand_complex_div_wide): Likewise.
13945 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13946 * tree-tailcall.c (eliminate_tailcall): Likewise.
13947 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13948 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13949 * tree-nrv.c (tree_nrv): Likewise.
13950 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13951 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13952 (combine_blocks): Likewise.
13953 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13954 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13955 (cleanup_control_flow): Likewise.
13956 (remove_forwarder_block): Likewise.
13957 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13958 * tree-sra.c (sra_replace): Likewise.
13959 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13960 (forward_propagate_single_use_vars): Likewise.
13961 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13962 * tree-inline.c (expand_call_inline): Likewise.
13963 * tree-vect-transform.c (vect_transform_loop): Likewise.
13964 * tree-outof-ssa.c (rewrite_trees): Likewise.
13965 * tree-cfg.c (make_goto_expr_edges): Likewise.
13966 (cleanup_dead_labels): Likewise.
13967 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13968 (bsi_move_before, bsi_move_after): Likewise.
13969 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13970 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13972 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13975 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13977 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13978 on non gimple variables. Also add checks at the top for decls and
13980 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13982 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13983 and IMAGPART_EXPR for creating MUST_DEFs.
13984 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13985 and NAME_MEMORY_TAG separately from the DECLs.
13987 2006-01-06 Richard Guenther <rguenther@suse.de>
13989 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13990 annotation, if necessary.
13991 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13992 redundant calls to update_stmt.
13993 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13996 2006-01-05 Richard Henderson <rth@redhat.com>
13998 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14000 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14002 * c-typeck.c: Update copyright date.
14004 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14006 * c-typeck.c (build_c_cast): Always warn when casting
14007 from a pointer to an integer of different size, even if
14008 the node was constant.
14010 2006-01-05 Richard Guenther <rguenther@suse.de>
14012 PR tree-optimization/22555
14013 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14014 if one structure field is an array.
14015 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14016 operands even if we found a subvar, but ignore VOPs in this
14018 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14020 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14022 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14024 PR middle-end/24998
14025 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14027 2006-01-05 Richard Guenther <rguenther@suse.de>
14028 Diego Novillo <dnovillo@redhat.com>
14030 * tree-pass.h (TODO_remove_unused_locals): Define.
14031 * gimple-low.c (expand_var_p, remove_useless_vars,
14032 pass_remove_useless_vars): Remove. Update all users.
14033 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14034 (remove_unused_locals): New function.
14035 * tree-flow.h (remove_unused_locals): Declare.
14036 * passes.c (execute_todo): Call remove_unused_locals if
14037 TODO_remove_unused_locals is set.
14038 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14039 * tree-ssa-dce.c (pass_dce): Likewise.
14040 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14042 2006-01-05 Richard Guenther <rguenther@suse.de>
14044 * tree-flow.h (struct fieldoff): Decompose field to
14045 type, size and decl.
14046 * tree-ssa-alias.c (create_sft): Take type as parameter.
14047 (create_overlap_variables_for): Store type, size and decl
14048 in the fieldoff structure.
14049 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14050 of struct fieldoff.
14051 (push_fields_onto_fieldstack): Likewise.
14052 (create_variable_info_for): Likewise. Use offset for the
14053 SFT name if the decl is not available.
14055 2006-01-04 Paul Brook <paul@codesourcery.com>
14057 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14059 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14061 * lambda-code.c (can_put_in_inner_loop): Relax
14063 (can_put_after_inner_loop): New function.
14064 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14065 (perfect_nestify): Change to make copies and modify uses.
14067 2006-01-04 Richard Henderson <rth@redhat.com>
14069 Merge from gomp branch:
14070 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14071 via integer constant.
14072 (pragma_lex): Remove.
14073 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14074 rather than parsing it.
14075 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14076 handle_pragma_extern_prefix): Add %< %> quotes.
14077 (registered_pragmas): New.
14078 (c_register_pragma_1): New.
14079 (c_register_pragma): Use it.
14080 (c_register_pragma_with_expansion): Likewise.
14081 (c_invoke_pragma_handler): New.
14082 (init_pragma): Use cpp_register_deferred_pragma directly for
14084 * c-pragma.h (enum pragma_kind): New.
14085 (pragma_handler): New.
14086 (c_invoke_pragma_handler): Declare.
14087 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14089 * c-common.h (c_common_pch_pragma): Update decl.
14090 * Makefile.in (c-parser.o): Update dependencies.
14091 (GTFILES): Add c-pragma.h.
14092 * c-parser.c (struct c_token): Add pragma_kind.
14093 (struct c_parser): Add in_pragma.
14094 (c_lex_one_token): Always initialize keyword and pragma_kind.
14095 Extract data for CPP_PRAGMA.
14096 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14097 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14098 Don't allow CPP_PRAGMA_EOL if in_pragma.
14099 (c_parser_consume_pragma): New.
14100 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14101 (c_parser_skip_to_end_of_parameter): Likewise.
14102 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14103 (c_parser_skip_to_pragma_eol): New.
14104 (c_parser_external_declaration): Handle CPP_PRAGMA.
14105 (c_parser_compound_statement_nostart): Likewise.
14106 (c_parser_statement_after_labels): Likewise.
14107 (c_parser_pragma): New.
14108 (pragma_lex): Likewise.
14109 (c_parser_pragma_pch_preprocess): New.
14110 (c_parser_new): Merge into ...
14111 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14113 2006-01-04 Jeff Law <law@redhat.com>
14116 * tree-cfg.c (bsi_replace): Remove the original statement
14117 from the EH throw statement table.
14119 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14121 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14122 make the prototype extern "C" and add throw ().
14125 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14126 and pos non-negative and pos + len <= 32.
14127 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14128 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14129 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14132 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14133 as well as sizes not multiple of component size.
14136 * function.c (instantiate_expr): New function.
14137 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14138 walk its DECL_VALUE_EXPR with instantiate_expr.
14140 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14141 DW_OP_deref{,_size} if address isn't going to be added.
14143 2006-01-04 Ben Elliston <bje@au.ibm.com>
14145 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14146 * config/fp-bit.c: Likewise.
14148 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14150 * dominance.c: Add comment about why we use DFS numbering
14153 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14154 Richard Henderson <rth@redhat.com>
14156 Merge from gomp-branch:
14157 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14158 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14160 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14162 PR rtl-optimization/25578
14163 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14164 pass a parameter to simplify_shift_const if changing ASHIFTRT
14167 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14169 * builtins.c (get_builtin_sync_mem): New function.
14170 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14171 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14172 Call get_builtin_sync_mem to generate mem rtx.
14174 2006-01-03 Richard Guenther <rguenther@suse.de>
14177 * stmt.c (add_case_node): Make sure to clear overflow flags
14180 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14182 Merge from gomp-branch.
14183 * config/sparc/sync.md: New file.
14184 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14185 UNSPECV_LDSTUB): New constants.
14186 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14187 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14188 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14191 2006-01-03 Roger Sayle <roger@eyesopen.com>
14193 * combine.c (reg_subword_p): New predicate to test whether the
14194 destination of a set refers to a subword/piece of a register.
14195 (try_combine): Generalize the code to merge the setting of a
14196 pseudo to a constant followed by a set of a subword of that
14197 register to a constant.
14199 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14201 * basic-block.h (control_flow_graph): Change the type of
14202 x_label_to_block_map to VEC(basic_block,gc) *.
14203 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14204 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14206 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14207 VEC(basic_block,heap) *.
14208 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14209 ssa_prop_fini): Adjust the uses of cfg_blocks.
14211 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14213 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14215 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14216 hashing trees instead of a pointer hash.
14217 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14218 compare for MEM_EXPR.
14220 PR rtl-optimization/25130
14221 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14222 when comparing MEMs for GCSE
14224 2006-01-03 Ben Elliston <bje@au.ibm.com>
14226 * targhooks.h (default_decimal_float_supported_p): Declare.
14227 * targhooks.c (default_decimal_float_supported_p): Define.
14228 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14229 `default_decimal_float_supported_p'.
14230 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14232 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14234 * combine.c (apply_distributive_law <SUBREG>): Check
14235 TRULY_NOOP_TRUNCATION.
14237 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14239 * dwarf2out.c (have_switched_text_section): Delete.
14240 (have_multiple_function_sections): New.
14241 (have_location_lists): Make 'bool'.
14242 (add_AT_loc_list): Use 'true' not '1'.
14243 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14244 (output_loc_list): Use have_multiple_function_sections.
14245 (output_ranges): Likewise.
14246 (dwarf2out_begin_function): Set have_multiple_function_sections if
14248 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14249 Check function_section rather than DECL_SECTION_NAME.
14250 (dwarf2out_finish): Use have_multiple_function_sections.
14251 Don't clear have_location_lists.
14253 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14254 Jan Hubicka <jh@suse.cz>
14256 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14257 case of conditional jump jumping to the next instruction.
14258 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14259 cases of conditional jump jumping to the next instruction.
14261 2006-01-02 Jan Hubicka <jh@suse.cz>
14263 * i386.c (*_cost): Add COSTS_N_INSNS.
14264 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14266 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14269 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14271 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14273 * config/arm/arm.c (all_fpus): Fix comment typo.
14274 * config/darwin.c: Likewise.
14275 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14276 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14277 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14279 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14281 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14282 (rs6000_split_compare_and_swapqhi): New.
14283 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14284 (sync_compare_and_swapqhi_internal): New.
14285 * config/rs6000/rs6000-protos.h: Declare.