gcc/ChangeLog

   1 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
   2
   3         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
   4
   5 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
   6
   7         PR middle-end/21180
   8         * fold-const.c (fold_build1): Add checksum for the operands.
   9         (fold_build2): Likewise.
  10         (fold_build3): Likewise.
  11
  12 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
  13
  14         PR middle-end/19055
  15         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
  16
  17 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
  18
  19         * common.opt (-fforward-propagate): Committed by mistake,
  20         removed.
  21
  22 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  23
  24         * reg-stack.c: Fix comment typo(s).
  25         * tree-ssa-operands.c: Likewise.
  26         * tree-vectorizer: Likewise.
  27
  28 2005-07-21  Nick Clifton  <nickc@redhat.com>
  29
  30         * config/sh/symbian.c: Replace C++ style line comments with C
  31         style line comments.
  32         (symbian_add_attribute): Do not use a ? operator on the LHS of
  33         an assignment.
  34         (sh_symbian_handle_dll_attribute): Change the type of the
  35         method vector to "VEC(tree,gc)*" and use vector accessor
  36         macros to walk over the elements.
  37         (symbian_export_vtable_and_rtti_p): Likewise.
  38         (symbian_class_needs_attribute_p): Likewise.
  39
  40 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
  41
  42         PR target/22085
  43         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
  44         initialize targetm.resolve_overloaded_builtin here.
  45         (altivec_expand_overloaded_builtin): Make it non-static.
  46         * config/rs6000/rs6000-protos.h
  47         (altivec_expand_overloaded_builtin): New prototype.
  48         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
  49         targetm.resolve_overloaded_builtin here.
  50         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
  51
  52 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
  53             Zdenek Dvorak  <dvorakz@suse.cz>
  54
  55         PR tree-optimization/19210
  56         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
  57         New.
  58         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
  59         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
  60         rely on unproven assumptions.
  61         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
  62         * tree-flow.h (number_of_iterations_exit): Add final parameter.
  63         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
  64         to number_of_iterations_exit.
  65         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
  66         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
  67         * tree-ssa-loop-niter.c (find_loop_niter,
  68         estimate_numbers_of_iterations_loop): Likewise.
  69         (number_of_iterations_exit): Honor the new options.
  70         * doc/invoke.texi (Wunsafe-loop-optimizations,
  71         funsafe-loop-optimizations): Document them.
  72
  73 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
  74
  75         PR rtl-optimization/22167
  76         * gcse.c (hoist_code): Fix hoist_exprs[] check.
  77
  78 2005-07-20  Adam Nemet  <anemet@lnxw.com>
  79
  80         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
  81         __do_global_dtors_aux longcall.
  82
  83 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
  84
  85         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
  86         (old_special_pred_table): Don't reference
  87         SPECIAL_MODE_PREDICATES.
  88         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
  89         * config/arc/arc.h: Don't mention PREDICATE_CODES.
  90         * config/sh/predicates.h: Don't mention
  91         SPECIAL_MODE_PREDICATES.
  92         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
  93         Remove.
  94
  95 2005-07-20  DJ Delorie  <dj@redhat.com>
  96
  97         * config.gcc: Add m32c-elf support.
  98
  99         * doc/contrib.texi: Mention m32c.
 100         * doc/extend.texi: Document m32c extensions.
 101         * doc/install.texi: Mention m32c.
 102         * doc/invoke.texi: Document m32c options.
 103         * doc/md.texi: Document m32c constraints.
 104
 105         * config/m32c/addsub.md: New file.
 106         * config/m32c/bitops.md: New file.
 107         * config/m32c/cond.md: New file.
 108         * config/m32c/jump.md: New file.
 109         * config/m32c/m32c-lib1.S: New file.
 110         * config/m32c/m32c-lib2.c: New file.
 111         * config/m32c/m32c-modes.def: New file.
 112         * config/m32c/m32c-pragma.c: New file.
 113         * config/m32c/m32c-protos.h: New file.
 114         * config/m32c/m32c.abi: New file.
 115         * config/m32c/m32c.c: New file.
 116         * config/m32c/m32c.h: New file.
 117         * config/m32c/m32c.md: New file.
 118         * config/m32c/m32c.opt: New file.
 119         * config/m32c/minmax.md: New file.
 120         * config/m32c/mov.md: New file.
 121         * config/m32c/muldiv.md: New file.
 122         * config/m32c/predicates.md: New file.
 123         * config/m32c/prologue.md: New file.
 124         * config/m32c/shift.md: New file.
 125         * config/m32c/t-m32c: New file.
 126
 127 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 128
 129         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
 130         (stack_protect_set, stack_protect_test): New expanders.
 131         (stack_protect_set_si, stack_protect_set_si_media,
 132         stack_protect_set_di_media, stack_protect_test_si,
 133         stack_protect_test_si_media, stack_protect_test_di_media):
 134         New insns.
 135
 136 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
 137
 138         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
 139
 140 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
 141
 142         * tree.h (tree_expr_nonzero_p): Export.
 143         * fold-const.c (tree_expr_nonzero_p): Likewise.
 144         Return true for CALL_EXPRs that are alloca calls.
 145         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
 146         against zero.
 147         * tree-flow.h (expr_computes_nonzero): Remove.
 148         * tree-vrp.c (expr_computes_nonzero): Remove.
 149         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
 150         (extract_range_from_unary_expr): Likewise.
 151         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
 152         tree_expr_nonzero_p.
 153
 154 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
 155
 156         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
 157         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
 158         extra arg "picreg" and use it instead of pic_offset_table_rtx.
 159         All callers changed.
 160         (frame_related_constant_load): New arg "related" which controls
 161         setting of RTX_FRAME_RELATED_P.  All callers changed.
 162         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
 163         (bfin_expand_prologue): Add stack limit checking.
 164         * config/bfin/bfin.md (trapifcc): New pattern.
 165
 166         * config/bfin/bfin.c: Include "langhooks.h".
 167         (def_builtin): Go through lang_hooks to call builtin_function.
 168
 169         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
 170         * config/bfin/predicates.md (symbol_ref_operand): New.
 171         (call_insn_operand): Delete.  All callers changed to use
 172         register_no_elim_operand.
 173         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
 174         call_cookie field.
 175         (function_arg): Use it to generate the call's operand 2.
 176         (bfin_longcall_p): New function.
 177         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
 178         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
 179         determine if the address needs to be in a REG.
 180         (bfin_handle_longcall_attribute): New function.
 181         (bfin_attribute_table): Add "longcall" and "shortcall".
 182         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
 183         (CUMULATIVE_ARGS): New member call_cookie.
 184         (PREDICATE_CODES): Add symbol_ref_operand.
 185         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
 186         extra USE to the pattern.
 187         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
 188         New patterns, split off call_insn, sibcall_insn, call_value_insn and
 189         sibcall_value_insn; now the new patterns handle direct calls and the
 190         old ones indirect calls.
 191         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
 192
 193 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
 194
 195         * doc/trouble.texi: Update section on handling of empty loops.
 196
 197 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
 198
 199         * config.gcc: Remove support for sparc-*-openbsd*,
 200         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
 201         ns32k-*-netbsd*.
 202         * config.host: Remove support for i860-*-sysv4* as a host.
 203         * config/i860/*, config/ip2k/*, config/ns32k/*,
 204         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
 205         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
 206         mention obsolete ports.
 207
 208 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 209
 210         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
 211         soft frame pointer.
 212         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
 213         of frame_pointer_rtx.
 214         (sh_expand_epilogue): Likewise.
 215         (sh_set_return_address): Likewise.
 216         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
 217         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
 218         offsets from FRAME_POINTER_REGNUM.
 219         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
 220         (sh_register_names): Add initializer for sfp.
 221         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
 222         (VALID_REGISTER_P): Likewise.
 223         (FIRST_PSEUDO_REGISTER): Update.
 224         (DWARF_FRAME_REGISTERS): Define.
 225         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
 226         (HARD_FRAME_POINTER_REGNUM): Define.
 227         (FRAME_POINTER_REGNUM): Redefine.
 228         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
 229         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
 230         from FRAME_POINTER_REGNUM.
 231         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
 232         FRAME_POINTER_REGNUM.
 233         (REG_CLASS_CONTENTS): Add sfp.
 234         (REG_ALLOC_ORDER): Likewise.
 235         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
 236         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
 237         of frame_pointer_rtx.
 238         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
 239
 240 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
 241
 242         * fold-const.c (tree_expr_nonnegative_p): Only return true for
 243         ABS_EXPR when flag_wrapv is false because of INT_MIN.
 244         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
 245         of an ABS_EXPR.
 246         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
 247         ABS_EXPR<x>.
 248
 249 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
 250
 251         Make CONSTRUCTOR use VEC to store initializers.
 252         * c-common.c (complete_array_type): Update to cope with VEC in
 253         CONSTRUCTOR_ELTS.
 254         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
 255         (pp_c_constructor_elts): New function.
 256         * c-pretty-print.h (pp_c_constructor_elts): Declare.
 257         * c-typeck.c (build_function_call, build_c_cast, digest_init,
 258         struct constructor_stack, struct initializer_stack,
 259         constructor_elements, push_init_level, pop_init_level,
 260         add_pending_init, find_init_member, output_init_element): Update to
 261         cope with VEC in CONSTRUCTOR_ELTS.
 262         * coverage.c (build_fn_info_value, build_ctr_info_value,
 263         build_gcov_info): Likewise.
 264         * expr.c (categorize_ctor_elements_1, store_constructor,
 265         expand_expr_real_1): Likewise.
 266         * fold-const.c (fold_ternary): Likewise.
 267         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
 268         gimplify_init_constructor, gimplify_expr): Likewise.
 269         * tree-dump.c (dequeue_and_dump): Likewise.
 270         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
 271         node.
 272         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
 273         CONSTRUCTOR_ELTS.
 274         * tree-sra.c (generate_element_init_1): Likewise.
 275         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
 276         * tree-ssa-operands.c (get_expr_operands): Likewise.
 277         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
 278         * tree-vect-transform.c (vect_get_vec_def_for_operand):
 279         (get_initial_def_for_reduction): Likewise.
 280         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
 281         value handle in annotations.
 282         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
 283         tree_node_structure): Add support for constr_kind.
 284         (build_vector_from_ctor, build_constructor_single,
 285         build_constructor_from_list): New functions.
 286         (build_constructor): Update to take a VEC instead of a TREE_LIST.
 287         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
 288         Update to cope with VEC in CONSTRUCTOR_ELTS.
 289         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
 290         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
 291         CONSTRUCTOR_APPEND_ELT): New macros.
 292         (struct constructor_elt, struct tree_constructor): New data types.
 293         (union tree_node): Add tree_constructor field.
 294         * treestruct.def: Define TS_CONSTRUCTOR.
 295         * varasm.c (const_hash_1, compare_constant, copy_constant,
 296         compute_reloc_for_constant, output_addressed_constants,
 297         initializer_constant_valid_p, output_constant,
 298         array_size_for_constructor, output_constructor): Update to cope with
 299         VEC in CONSTRUCTOR_ELTS.
 300         * vec.h (VEC_empty, VEC_copy): New macros.
 301
 302 2005-07-19  Devang Patel  <dpatel@apple.com>
 303
 304         * dbxout.c (dbxout_type): Check Objective-C++ lang.
 305
 306 2005-07-19  Richard Henderson  <rth@redhat.com>
 307
 308         PR tree-opt/22278
 309         * gimplify.c (gimplify_expr): Use main variant type for the temp
 310         destination for a discarded volatile read.
 311         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
 312         casts between non-void types that change volatility.
 313
 314 2005-07-15  DJ Delorie  <dj@redhat.com>
 315
 316         * toplev.h: Add comment about the first parameter for warning().
 317         * errors.h: Likewise.
 318
 319         * c.opt (Wpragmas): New.
 320         * doc/invoke.texi: Document it.
 321
 322         * function.c (do_warn_unused_parameter): Add warning control to
 323         warning call.
 324         * c-decl.c (warn_if_shadowing): Likewise.
 325         * c-lex.c (cb_def_pragma): Likewise.
 326         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
 327         (pop_alignment): Likewise.
 328         (handle_pragma_pack): Likewise.
 329         (apply_pragma_weak): Likewise.
 330         (handle_pragma_weak): Likewise.
 331         (handle_pragma_redefine_extname): Likewise.
 332         (add_to_renaming_pragma_list): Likewise.
 333         (handle_pragma_extern_prefix): Likewise.
 334         (maybe_apply_renaming_pragma): Likewise.
 335         (handle_pragma_visibility): Likewise.
 336
 337         * config/c4x/c4x-c.c (BAD): Likewise.
 338         (c4x_parse_pragma): Likewise.
 339         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
 340         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
 341         (rs6000_pragma_longcall): Likewise.
 342         * config/v850/v850-c.c (pop_data_area): Likewise.
 343         (ghs_pragma_section): Likewise.
 344         (ghs_pragma_section): Likewise.
 345         (ghs_pragma_interrupt): Likewise.
 346         (ghs_pragma_starttda): Likewise.
 347         (ghs_pragma_startsda): Likewise.
 348         (ghs_pragma_startzda): Likewise.
 349         (ghs_pragma_endtda): Likewise.
 350         (ghs_pragma_endsda): Likewise.
 351         (ghs_pragma_endzda): Likewise.
 352
 353 2005-07-19  Danny Berlin <dberlin@dberlin.org>
 354             Kenneth Zadeck <zadeck@naturalbridge.com>
 355
 356         * Makefile.in: Removed tree-promote-statics.c
 357         * tree-promote-statics.c: Removed.
 358         * common.opt: Removed flag-promote-statics.
 359         * opts.c: Ditto.
 360         * passes.c: Removed tree-promote-statics pass.
 361         * tree-pass.h: Ditto.
 362         * timevar.def: Removed TV_PROMOTE_STATICS.
 363
 364
 365 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
 366
 367         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
 368         and *-*-freebsd9.
 369         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
 370
 371 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 372
 373         PR c/22476
 374         * c-common.c (check_function_arguments): Call
 375         'check_function_format' if either -Wformat or
 376         -Wmissing-format-attribute are specified.
 377         * c-format.c (check_function_format): Check -Wformat before
 378         calling 'check_format_info'.
 379         * c-opts.c (c_common_post_options): Don't warn for
 380         -Wmissing-format-attribute without -Wformat.
 381         * c-typeck.c (convert_for_assignment): Detect additional cases for
 382         -Wmissing-format-attribute.
 383         * doc/invoke.texi (-Wmissing-format-attribute): Document new
 384         behavior.
 385
 386 2005-07-19  Richard Guenther  <rguenther@suse.de>
 387
 388         * config/i386/i386.md (lrint<mode>2): Use temporary
 389         instead of clobbering non-existent memory.
 390
 391 2005-07-19  Nick Clifton  <nickc@redhat.com>
 392
 393         * config/avr/avr.c (legitimate_address_p): Fix debugging print
 394         statement to avoid displaying ASCII control characters.
 395
 396 2005-07-19  Ben Elliston  <bje@au.ibm.com>
 397
 398         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
 399         * cfganal.c (find_edge_index): Ditto.
 400         * combine.c (combine_instructions): Ditto.
 401         * ddg.c (create_scc): Ditto.
 402         (find_successors): Ditto.
 403         (find_predecessors): Ditto.
 404         (find_nodes_on_paths): Ditto.
 405         (longest_simple_path): Ditto.
 406         * flow.c (update_life_info): Ditto.
 407         (count_or_remove_death_notes): Ditto.
 408         (clear_log_links): Ditto.
 409         * modulo-sched.c (generate_reg_moves): Ditto.
 410         (find_max_asap): Ditto.
 411         (find_max_hv_min_mob): Ditto.
 412         (find_max_dv_min_mob): Ditto.
 413         * sbitmap.c (sbitmap_first_set_bit): Ditto.
 414         * sched-rgn.c (extract_edgelst): Ditto.
 415         * tree-into-ssa.c (prepare_names_to_update): Ditto.
 416         (dump_update_ssa): Ditto.
 417         (ssa_names_to_replace) Ditto.
 418         (switch_virtuals_to_full_rewrite): Ditto.
 419         (update_ssa): Ditto.
 420         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 421
 422 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
 423
 424         Fix PR tree-optimization/22483
 425
 426         * tree-complex.c (create_components): Use
 427         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
 428         * tree-flow-inline.h (fill_referenced_var_vec): New function.
 429         * tree-flow.h (safe_referenced_var_iterator): New structure.
 430         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
 431         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
 432         safe_referenced_var iterator.
 433         (add_type_alias): Ditto.
 434
 435 2005-07-19  Steven Bosscher  <stevenb@suse.de>
 436
 437         * loop-init.c (rest_of_handle_loop2): Remove.
 438         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
 439         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
 440         (pass_rtl_loop_init, pass_rtl_loop_done,
 441         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
 442         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
 443         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
 444         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
 445         pass_tree_loop_done, and pass_tree_unswitch.
 446         (gate_loop): Rename to gate_tree_loop.
 447         * passes.c (init_optimization_passes): Update for renamed tree
 448         loop passes.  Add the new loop2 passes as subpasses of loop2.
 449         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
 450         Update for the renamed tree loop passes.
 451
 452 2005-07-18  Ian Lance Taylor  <ian@airs.com>
 453
 454         PR middle-end/22057
 455         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
 456         blocks when optimizing.
 457
 458 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
 459
 460         * common.opt (frename-registers): Initialize to 2.
 461         (fweb): Ditto.
 462         (fgcse-after-reload): Ditto.
 463         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
 464         (process_options): Only change flag_web, flag_rename_registers,
 465         and flag_rerun_cse_after_loop if not explicitly set by user.
 466
 467 2005-07-18  Jan Beulich  <jbeulich@novell.com>
 468
 469         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
 470         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
 471         in 64-bit mode the same as DImode in 32-bit mode.
 472         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
 473         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
 474         mode. Add new mode parameter.
 475         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
 476         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
 477         x86_64_shift_adj): New expanders.
 478         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
 479         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
 480         insns.
 481         Respective new splitters. Use renamed shift splitter helpers in 32-bit
 482         DImode shift splitters.
 483         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
 484         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
 485         mode parameter.
 486
 487 2005-07-18  Jan Beulich  <jbeulich@novell.com>
 488
 489         * i386.md (movdi_extzv_1): New.
 490         (zero_extendhidi2): Combine alternatives and never force use of
 491         REX64 prefix.
 492         (zero_extendqidi2): Likewise. Don't restrict input selection.
 493
 494 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
 495
 496         Fix PR tree-optimization/22531
 497         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
 498          moment.
 499
 500 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
 501
 502         * tree-promote-statics.c (pass_promote_statics): Change dump file
 503          name.
 504
 505 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
 506
 507         * tree-optimize.c (init_tree_optimization_passes): Add
 508         pass_eliminate_useless_stores pass.
 509         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
 510         * tree-ssa-pre.c (is_copy_stmt): New function.
 511         (follow_copies_till_vuse): Ditto.
 512         (do_eustores): Ditto.
 513         (gate_eustores): Ditto.
 514
 515 2005-07-16  Richard Henderson  <rth@redhat.com>
 516
 517         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
 518
 519 2005-07-16 Danny Berlin <dberlin@dberlin.org>
 520            Kenneth Zadeck <zadeck@naturalbridge.com>
 521
 522         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
 523         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
 524         ipa-type-escape.h, tree-promote-statics.c
 525         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
 526         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
 527         tree-promote-statics.c: new files.
 528         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
 529         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
 530         int nonlocal_set_p, mark_constant_function): Deleted.
 531         (rest_of_handle_cfg): Removed call to mark_constant_function.
 532         (nonoverlapping_component_refs_p): Added calls to support
 533         type based aliasing.
 534         * tree-ssa-alias.c (may_alias_p,
 535         compute_flow_insensitive_aliasing): Ditto.
 536         * calls.c (flags_from_decl_or_type): Removed reference to
 537         cgraph_rtl_info.
 538         * c-typeck.c (convert_arguments): Make builtins tolerant of having
 539         too many arguments.  This is necessary for Spec 2000.
 540         * cgraph.h (const_function, pure_function): Removed.
 541         * common.opt: Added "fipa-pure-const", "fipa-reference",
 542         "fipa-type-escape", and "ftree-promote-static".
 543         * opts.c: Ditto.
 544         * passes.c: Added ipa and tree-promote-statics passes.
 545         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
 546         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
 547         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
 548         * tree-flow.h: Added exposed sra calls and addition of
 549         reference_vars_info field for FUNCTION_DECLS.
 550         * tree-pass.h: Added passes.
 551         * tree-sra.c: (sra_init_cache): New function.
 552         (sra_insert_before, sra_insert_after) Made public.
 553         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
 554         and made public.
 555         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
 556         aliasing. (may_alias_p): Added code to use type escape analysis to
 557         improve alias sets.
 558         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
 559         code to prune clobbers of static variables based on information
 560         produced in ipa-reference pass.  Changed call clobbering so that
 561         statics are not marked as clobbered if the call does not clobber
 562         them.
 563
 564 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
 565
 566         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
 567         too.
 568
 569 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
 570
 571         * doc/install.texi (*-*-solaris2*): Document recommended version
 572         of GNU binutils and mention GNU linker problem on Solaris 10.
 573
 574 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
 575
 576         PR c/22421
 577         * c-decl.c (c_build_bitfield_integer_type): New function.
 578         (finish_struct): Call it.
 579         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
 580
 581 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 582
 583         * c-typeck.c (digest_init): Call 'convert_for_assignment'
 584         before returning.
 585
 586 2005-07-16  Jan Hubicka  <jh@suse.cz>
 587
 588         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
 589         (scale_bbs_frequencies_int): Watch roundoff errors.
 590         * predict.c (return_prediction): Initialize return_stmt.
 591
 592 2005-07-16  Jan Hubicka  <jh@suse.cz>
 593
 594         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
 595         after RTL profiling.
 596
 597 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
 598
 599         PR middle-end/22398
 600         * fold-const.c (build_range_check): Convert high/low to etype
 601         if we are only comparing against exp.
 602
 603 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
 604
 605         Fix PR tree-optimization/22376
 606         * tree-ssa-structalias.c (build_constraint_graph): We really meant
 607         special var here.
 608         (need_to_solve): New function.
 609         (compute_points_to_sets): Use it.
 610
 611 2005-07-15  Jan Hubicka  <jh@suse.cz>
 612
 613         * cfg.c (update_bb_profile_for_threading): More diagnostic.
 614         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
 615
 616 2005-07-15  Richard Guenther  <rguenther@suse.de>
 617
 618         * c-common.c (handle_flatten_attribute): New function.
 619         Add flatten function attribute.
 620         * doc/extend.texi: Document flatten function attribute.
 621         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
 622         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
 623         New functions.
 624         (cgraph_decide_inlining): Handle functions with flatten
 625         attribute.
 626
 627 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
 628
 629         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
 630         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
 631         UNSPEC_XCHG, UNSPEC_AND): New.
 632         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
 633         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
 634         * config/rs6000/sync.md (FETCHOP): New code macro.
 635         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
 636         New code attrs.
 637         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
 638         (sync_compare_and_swap<mode>): Same.
 639         (sync_lock_test_and_set<mode>): Same.
 640         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
 641         for QImode and HImode, and not PPC405.
 642         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
 643         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
 644         (sync_<fetchop>{si,di}_internal): New.
 645         (sync_nand{si,di}_internal): New.
 646         (sync_old_<fetchop>{si,di}_internal): New.
 647         (sync_old_nand{si,di}_internal): New
 648         (sync_new_<fetchop>{si,di}_internal): New.
 649         (sync_new_nand{si,di}_internal): New.
 650         (atomic_and{si,di}): New.
 651         (sync_new_nand{si,di}_internal): New.
 652         (atomic_and{si,di}): New.
 653         (sync_add<mode>_internal): Delete.
 654         (sync_addshort_internal): Use unspec instead of unspec_volatile.
 655         (sync_sub<mode>_internal): Delte.
 656         (sync_subshort_internal): New.
 657         (sync_andsi_internal): Use unspec instead of unspec_volatile.
 658         (sync_anddi_internal): Delete.
 659         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
 660         (sync_booldi_internal): Delete.
 661         (sync_boolc<mode>_internal): Delete.
 662         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
 663         (sync_boolc<mode>_internal2): Delete.
 664         (sync_boolcc<mode>_internal): Delete.
 665         (isync, lwsync): Use unspec instead of unspec_volatile.
 666         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
 667         Revert UNSPEC_VOLATILE.
 668         (rs6000_split_atomic_op): New.
 669         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
 670
 671 2005-07-14  Eric Christopher  <echristo@redhat.com>
 672
 673         * config/mips/mips.c (mips_canonicalize_comparison): Cast
 674         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
 675
 676 2005-07-14  Eric Christopher  <echristo@redhat.com>
 677
 678         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
 679
 680 2005-07-14  Steven Bosscher  <stevenb@suse.de>
 681
 682         PR tree-optimization/22230
 683         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
 684         the computation of the four cross productions for "range op range".
 685
 686 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
 687             Ulrich Weigand  <uweigand@de.ibm.com>
 688
 689         PR target/20126
 690         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
 691         in some insn.
 692
 693 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
 694
 695         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
 696
 697 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
 698
 699         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
 700
 701 2005-07-14  Richard Guenther  <rguenther@suse.de>
 702
 703         PR middle-end/22347
 704         * config/i386/i386-protos.h (ix86_function_value): Change
 705         prototype to match new target hook.
 706         * config/i386/i386.c (ix86_value_regno): Change prototype
 707         to take extra type argument.
 708         (TARGET_FUNCTION_VALUE): Define.
 709         (ix86_function_ok_for_sibcall): Pass extra argument to
 710         ix86_value_regno, check return slot rtx for exact match.
 711         (ix86_function_value): Take extra parameter.  Dispatch to
 712         ix86_value_regno with fndecl/fntype as provided.
 713         (ix86_value_regno): Handle extra type argument.
 714         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
 715
 716         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
 717         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
 718         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
 719         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
 720         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
 721
 722 2005-07-14  Richard Guenther  <rguenther@suse.de>
 723
 724         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
 725         * calls.c (expand_call): Pass fntype to hard_function_value.
 726         (emit_library_call_value_1): Likewise.
 727         * explow.c: Include target.h.
 728         (hard_function_value): Take extra argument, the fntype.
 729         Use new target hook for function_value.
 730         * expr.h (hard_function_value): Change prototype.
 731         * function.c (aggregate_value_p): Pass 0 as fntype to
 732         hard_function_value.
 733         (assign_parms): Use new target hook for function_value.
 734         Pass 0 as fntype to hard_function_value.
 735         (expand_function_end): Likewise.
 736         * reg-stack.c: Include target.h.
 737         (stack_result): Use new target hook for function_value.
 738         * target-def.h: New target hook function_value.
 739         * target.h: Likewise.
 740         * targhooks.c (default_function_value): New function.
 741         * targhooks.h (default_function_value): Declare.
 742
 743 2005-07-13  Ian Lance Taylor  <ian@airs.com>
 744
 745         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
 746
 747 2005-07-14  Jan Hubicka  <jh@suse.cz>
 748
 749         * tree-dfa.c (dump_variable): Use default_def function.
 750         * tree-ssa-alias.c (dump_points_to_info): Likewise.
 751         * tree-ssa.c (verify_use): Likewise.
 752         * tree-ssanames.c (release_ssa_name): Likewise.
 753         * tree-tailcall.c (eliminate_tail_call): Likewise.
 754         (tree_optimize_tail_calls_1): Likewise.
 755         * tree-vrp.c (get_value_range): Likewise.
 756
 757 2005-07-14  Ben Elliston  <bje@au.ibm.com>
 758
 759         * gcc.c (main): Compare language[0] with '*' when iterating over
 760         the infiles.
 761
 762 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
 763
 764         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
 765         "s390_emit_compare".  Add handling of CCZ1mode.
 766         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
 767         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
 768         checking.
 769         (s390_branch_condition_mask): Add CCZ1mode handling.
 770         * config/s390/s390.md: ("seq", "*seq"): New pattern.
 771         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
 772         Use CCZ1mode instead of CCZmode.
 773         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
 774
 775 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
 776
 777         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
 778         pattern.
 779         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
 780
 781 2005-07-13  Eric Christopher  <echristo@redhat.com>
 782
 783         * config/mips/mips.c (mips_canonicalize_comparison): New.
 784         (mips_emit_int_relational): Use.
 785
 786 2005-07-13  Eric Christopher  <echristo@redhat.com>
 787
 788         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
 789         static extra parts.
 790         * config/s390/s390.md: Include tpf.md. Move tpf specific
 791         patterns...
 792         * config/s390/tpf.md: To here.
 793         * config/s390/s390.opt: Move tpf specific options...
 794         * config/s390/tpf.opt: to here. Add mmain option.
 795         * config/s390/tpf-unwind.h: Remove unnecessary defines.
 796         * config/s390/tpf.h: Rewrite.
 797
 798 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 799
 800         * doc/tm.texi: Remove @xref{Cross-profiling}.
 801
 802 2005-07-13  Jeff Law  <law@redhat.com>
 803
 804         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
 805         expressions, test their _DECL operands for pointer equality rather
 806         than using operand_equal_p.
 807
 808 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 809
 810         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
 811         (TARGET_POSIX_IO): This.
 812         * config/darwin.h: Likewise.
 813         * config/freebsd.h: Likewise.
 814         * config/linux.h: Likewise.
 815         * config/lynx.h: Likewise.
 816         * config/netbsd.h: Likewise.
 817         * config/rs6000/linux64.h: Likewise.
 818         * config/rs6000/linux.h: Likewise.
 819         * config/s390/tpf.h: Likewise.
 820         * config/sh/embed-elf.h: Likewise.
 821         * config/sparc/linux64.h: Likewise.
 822         * config/sparc/linux.h: Likewise.
 823         * config/svr4.h: Likewise.
 824         * gcov-io.h: Likewise.
 825
 826         * doc/tm.texi: Updated.
 827
 828         * libgcov.c (create_file_directory): Defined only if
 829         TARGET_POSIX_IO is defined.
 830         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
 831         is defined.
 832
 833 2005-07-13  Jan Hubicka  <jh@suse.cz>
 834
 835         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
 836
 837 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
 838
 839         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
 840         structure as argument.
 841
 842 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
 843
 844         PR tree-optimization/21921
 845         * tree-iterator.c (tsi_link_before): Support the case when
 846         tsi_end_p (tsi) == true.
 847
 848 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 849
 850         PR tree-optimization/22442
 851         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
 852         correctly.
 853
 854 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 855
 856         PR rtl-optimization/20376
 857         * toplev.c (process_options): Enable -fweb and -frename-registers when
 858         unrolling.
 859         * doc/invoke.texi: Update the information about when -fweb and
 860         -frename-registers are enabled.
 861
 862 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 863
 864         PR tree-opt/21840
 865         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
 866         if *rhs_p is not a SSA_NAME.
 867
 868 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
 869
 870         Fix PR tree-optimization/22422
 871         * tree-ssa-structalias.c (struct variable_info): Add flag for
 872         special vars.
 873         (get_varinfo): Now a static function.
 874         (new_varinfo): init has_union and is_special_var to false.
 875         (solution_set_add): Check has_union.
 876         (do_da_constraint): Move temporary variable so it gets reset
 877         properly.
 878         Also check for special variable.
 879         (do_ds_constraint): Ditto.
 880         (do_sd_constraint): Ditto.
 881         (do_structure_copy): Check for special variable.
 882         (find_func_aliases): Ditto.
 883         (init_base_vars): Set special vars properly.
 884
 885 2005-07-13  Jan Hubicka  <jh@suse.cz>
 886
 887         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
 888         do unit-at-a-time.
 889
 890         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
 891         (get_expr_operands): Fix thinko wrt flags and subvars.
 892
 893         PR tree-optimize/22379
 894         * tree-inline.c (expand_call_inline): Do not output sorry in early
 895         inlining.
 896
 897 2005-07-12  Dale Johannesen  <dalej@apple.com>
 898
 899         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
 900
 901 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 902
 903         PR bootstrap/21704
 904         * host-linux.h: Include limits.h.
 905
 906 2005-07-12  Dale Johannesen  <dalej@apple.com>
 907
 908         * expr.c (compress_float_constant):  Add cost check.
 909         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
 910
 911 2005-07-12  Dale Johannesen  <dalej@apple.com>
 912
 913         * gcc.target/i386/compress-float-sse.c:  New.
 914         * gcc.target/i386/compress-float-sse-pic.c:  New.
 915         * gcc.target/i386/compress-float-387.c:  New.
 916         * gcc.target/i386/compress-float-387-pic.c:  New.
 917         * gcc.dg/compress-float-ppc.c:  New.
 918         * gcc.dg/compress-float-ppc-pic.c:  New.
 919
 920 2005-07-12  Eric Christopher  <echristo@redhat.com>
 921
 922         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
 923         static extra parts.
 924         * config/s390/s390.md: Include tpf.md. Move tpf specific
 925         patterns...
 926         * config/s390/tpf.md: To here.
 927         * config/s390/s390.opt: Move tpf specific options...
 928         * config/s390/tpf.opt: to here. Add mmain option.
 929         * config/s390/tpf-unwind.h: Remove unnecessary defines.
 930         * config/s390/tpf.h: Rewrite.
 931
 932 2005-07-12  Eric Christopher  <echristo@redhat.com>
 933
 934         * gcc.c (struct infile): Update comment for language.
 935         (main): Rewrite input file resetting code.
 936
 937 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 938
 939         PR tree-opt/22335
 940         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
 941         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
 942         (lookup_avail_expr): Use constant_boolean_node instead
 943         of boolean_false_node/boolean_true_node.
 944
 945 2005-07-12  Ben Elliston  <bje@au.ibm.com>
 946
 947         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
 948         and use it when printing num_edges.
 949
 950 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 951
 952         * doc/extend.texi (Blackfin Built-in Functions): New section.
 953         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
 954         @opindex.
 955
 956 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
 957
 958         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
 959         s/cmpstrsi/cmpstrnsi
 960         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
 961         'cmpstrnsi'.
 962         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
 963         (init_optabs): Initialize cmpstrn_optab.
 964         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
 965         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
 966         * expr.c: (enum insn_code cmpstrn_optab): Declare.
 967         * config/i386/i386.md: s/cmpstr/cmpstrn
 968         * config/c4x/c4x.md: s/cmpstr/cmpstrn
 969         * doc/md.texi: Update documentation.
 970
 971 2005-07-11  Richard Henderson  <rth@redhat.com>
 972
 973         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
 974         build_va_arg_indirect_ref.
 975         (alpha_gimplify_va_arg): Likewise.
 976         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
 977         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
 978         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
 979         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
 980         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
 981         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
 982         Likewise.
 983         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
 984
 985 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 986
 987         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
 988         * passes.c (init_optimization_passes): Add pass_empty_loop.
 989         * tree-pass.h (pass_empty_loop): Declare.
 990         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
 991         try_remove_empty_loop, remove_empty_loops): New functions.
 992         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
 993         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
 994
 995 2005-07-12  Peter Barada  <peter@the-baradas.com>
 996
 997         PR middle-end/16719
 998         PR middle-end/18421
 999         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1000         in address registers.
1001         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1002         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1003         alternative of addsi3_5200.
1004
1005 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1006
1007         * config/mips/mips.md (ffs<mode>2): Remove.
1008
1009 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1010
1011         * doc/tree-ssa.texi (Cleanups): Improve description of
1012         TRY_FINALLY_EXPR.
1013         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1014
1015 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1016
1017         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1018         * tree.h (DECL_ARGUMENT_FLD): New macro.
1019
1020 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1021
1022         Fix PR tree-optimization/22404
1023
1024         * tree-ssa-structalias.c (create_variable_info_for): Use
1025         correct offset.
1026
1027 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1028
1029         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1030         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1031         for second comparison operand.
1032         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1033
1034         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1035         (define_insn_reservation "alu"): Likewise.
1036         (csync, ssync): Now of type sync.
1037         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1038         -mcsync-anomaly -mspecld-anomaly.
1039         * config/bfin/bfin.opt (mcsync): Remove.
1040         (mcsync-anomaly, mspecld-anomaly): Add.
1041         * config/bfin/bfin.c: Include "insn-codes.h".
1042         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1043         (TARGET_DEFAULT_TARGET_FLAGS): New.
1044         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1045
1046 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1047
1048         * basic-block.h: Give the BB flags enum a name, bb_flags.
1049         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1050         * cfgcleanup.c (enum bb_flags): Remove here.
1051         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1052         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1053         (update_forwarder_flag): Likewise.
1054         (thread_jump): Likewise.
1055         (try_forward_edges): Likewise.
1056         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1057         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1058         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1059
1060 2005-07-11  Richard Guenther  <rguenther@suse.de>
1061
1062         * config/i386/i386.opt: New target option -msseregparm.
1063         * config/i386/i386.c (override_options): Error out for
1064         -msseregparm but no SSE support.
1065         (ix86_function_sseregparm): Check for global sseregparm.
1066         * doc/invoke.texi: Document -msseregparm.
1067
1068 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1069
1070         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1071         (m32rle-*-linux*): Ditto.
1072
1073 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1074
1075         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1076         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1077         bytes.
1078
1079 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1080
1081         PR middle-end/22239
1082         PR target/20126
1083         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1084         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1085
1086 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1087
1088         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1089         (varmap): Heapify varmap.
1090         (constraints): Heapify constraints.
1091         (struct constraint_graph): Heapify succs and preds.
1092         (constraint_vec_find): Update for heapification.
1093         (constraint_set_union): Ditto.
1094         (insert_into_complex): Ditto.
1095         (constraint_edge_vec_find): Ditto.
1096         (erase_graph_self_edge): Ditto.
1097         (add_graph_edge): Ditto.
1098         (get_graph_weights): Ditto.
1099         (merge_graph_nodes): Ditto.
1100         (build_constraint_graph): Ditto.
1101         (topo_visit): Ditto.
1102         (solve_graph): Ditto.
1103         (create_variable_info_for): Ditto.
1104         (init_base_vars): Ditto.
1105         (delete_points_to_sets): Free graph, varmap, and complex constraints.
1106         (condese_varmap_nodes): Free complex vector.
1107         (clear_edges_for_node): Clear succs and preds vector.
1108
1109 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1110
1111         * tree-ssa-structalias.c (update_alias_info): Change counting of
1112         references to not include vdefs.
1113
1114 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1115
1116         * tree-ssa-alias.c (free_used_part_map): Add missing free.
1117         (up_insert): Ditto.
1118
1119 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1120
1121         * pa.c (pa_commutative_p): Make PLUS commutative when
1122         TARGET_NO_SPACE_REGS is true.
1123
1124 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1125
1126         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1127         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1128         * tree-dfa.c (dump_subvars_for): New.
1129         (debug_subvars_for): New.
1130         (dump_variable): Show subvariables if VAR has them.
1131         * tree-flow-inline.h (get_subvar_at): New.
1132         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1133         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1134         Update all users.
1135         (struct subvar): Change fields offset and size to unsigned
1136         HOST_WIDE_INT.
1137         (dump_subvars_for): Declare.
1138         (debug_subvars_for): Declare.
1139         (get_subvar_at): Declare.
1140         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1141         to unsigned HOST_WIDE_INT *.
1142         (overlap_subvar): Likewise.
1143         * tree-gimple.c (is_gimple_reg): Always return false for
1144         SFTs and memory tags.
1145         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1146         Update all callers.
1147         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1148         (compute_may_aliases): Call compute_points_to_sets.
1149         (collect_points_to_info_for): Remove.
1150         (compute_points_to_and_addr_escape): Remove.
1151         (delete_alias_info): Call delete_points_to_sets.
1152         (compute_flow_sensitive_aliasing): If the call to
1153         find_what_p_points_to returns false, call set_pt_anything.
1154         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1155         (set_pt_anything): Clear pi->pt_vars.
1156         (set_pt_malloc): Remove.
1157         (merge_pointed_to_info): Remove.
1158         (add_pointed_to_expr): Remove.
1159         (add_pointed_to_var): Remove.
1160         (collect_points_to_info_r): Remove.
1161         (is_escape_site): Make extern.
1162         (create_sft): New.
1163         (create_overlap_variables_for): Call it.
1164         * tree-ssa-copy.c (merge_alias_info): Never merge
1165         flow-sensitive alias information.
1166         * tree-ssa-operands.c (get_expr_operands): Adjust variables
1167         offset and size to be unsigned HOST_WIDE_INT.
1168         (add_to_addressable_set): Rename from note_addressable.
1169         Set TREE_ADDRESSABLE as the variables are added to the set.
1170         Update all users.
1171         (add_stmt_operand): Do not try to micro-optimize unmodifiable
1172         operands into VUSEs when adding V_MAY_DEFs for members in an
1173         alias set.
1174         * tree-ssa-operands.h (add_to_addressable_set): Declare.
1175         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1176         (struct variable_info): Add bitfield is_heap_var.
1177         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1178         (new_var_info): Initialize is_heap_var.
1179         (get_constraint_for): Add HEAP variables to the symbol table.
1180         Mark them with is_heap_var.
1181         (update_alias_info): New.  Taken mostly from the old
1182         compute_points_to_and_addr_escape.
1183         (handle_ptr_arith): New.
1184         (find_func_aliases): Call update_alias_info.
1185         Call handle_ptr_info for tcc_binary expressions.
1186         Call mark_stmt_modified.
1187         (create_variable_info_for): If DECL has subvars, do not create
1188         variables for its subvars.  Always add all the fields.
1189         (set_uids_in_ptset): If the solution includes ANYOFFSET and
1190         SFTs, then add all the SFTs of the structure.
1191         If VI->DECL is an aggregate with subvariables, add the SFT at
1192         VI->OFFSET.
1193         (find_what_p_points_to): If VI is an artificial variable,
1194         translate to bitfields in SSA_NAME_PTR_INFO.
1195         If the solution is empty, set pi->pt_vars to NULL
1196         (init_base_vars): Create ANYOFFSET.
1197         (compute_points_to_sets): Rename from create_alias_vars.
1198         Make extern.
1199         (pass_build_pta): Remove.
1200         (delete_points_to_sets): Rename from delete_alias_vars.
1201         (pass_del_pta): Remove.
1202         * tree-ssa-structalias.h (struct alias_info): Move from
1203         tree-ssa-alias.h.
1204         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1205         NUM_REFERENCES_SET): Likewise.
1206         (compute_points_to_sets, delete_points_to_sets): Declare.
1207
1208 2005-07-09  Richard Henderson  <rth@redhat.com>
1209
1210         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1211         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1212         alpha_split_lock_test_and_set_12): New functions.
1213         * config/alpha/alpha-protos.h: Update.
1214         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1215         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1216         * config/alpha/sync.md (I12MODE): New.
1217         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1218         (sync_<fetchop_name><I48MODE>): Likewise.
1219         (sync_nand<I48MODE>): Likewise.
1220         (sync_old_<fetchop_name><I48MODE>): Likewise.
1221         (sync_new_<fetchop_name><I48MODE>): Likewise.
1222         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1223         (sync_compare_and_swap<I48MODE>): Likewise.
1224         (sync_lock_test_and_set<I48MODE>): Likewise.
1225         (sync_compare_and_swap<I12MODE>): New.
1226         (sync_compare_and_swap<I12MODE>_1): New.
1227         (sync_lock_test_and_set<I12MODE>): New.
1228         (sync_lock_test_and_set<I12MODE>_1): New.
1229
1230 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1231
1232         PR 21356
1233         PR 22332
1234         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1235
1236 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
1237
1238         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1239         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1240
1241 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
1242
1243         PR target/21656
1244         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1245
1246 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
1247
1248         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1249         memory_operand constraint.
1250         (store_conditional_<mode>): Same.
1251         (sync_compare_and_swap<mode>): Same.
1252         (sync_lock_test_and_set<mode>): Same.
1253
1254 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
1255
1256         Rewrite PIC support to more closely model actual instructions.
1257         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1258         (cris_symbol): Remove prototypes for removed functions.
1259         (cris_pic_symbol_type_of, cris_valid_pic_const)
1260         (cris_expand_pic_call_address): Prototypes for new functions.
1261         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1262         variable.
1263         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1264         modifiers.
1265         <case ':'>: Add case for new punctuation character.
1266         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1267         emitting (extra) PIC modifier.
1268         <case UNSPEC>: Do not assert for PLT.
1269         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1270         (cris_expand_prologue, cris_expand_epilogue): Check
1271         for pic_offset_table_rtx usage instead of taking
1272         current_function_uses_pic_offset_table as the final word.
1273         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1274         Remove flag_pic difference.
1275         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1276         the moral equivalents of...
1277         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1278         functions.
1279         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1280         (cris_handle_option): Mark ARG as unused.
1281         (cris_expand_pic_call_address): New worker function for "call",
1282         "call_value".
1283         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1284         output PIC constructs here.
1285         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1286         as symbol-specific modifers, not whole or part of operands.
1287         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1288         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1289         constants and flag_pic.
1290         (CONSTANT_INDEX_P): Adjust for new functions.
1291         (enum cris_pic_symbol_type): New helper type.
1292         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1293         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1294         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1295         define_constants.
1296         ("movsi"): Emit actual instructions for GOT and relative access.
1297         ("*movsi_got_load"): New pattern to set up the register holding
1298         the GOT pointer.
1299         ("*movsi_internal"): Operand 1 is not a plain general_operand.
1300         Adjust FIXME for 'S'.
1301         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1302         Use "movs" for -fpic cases.
1303         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1304         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1305         ("call", "call_value"): Just call cris_expand_pic_call_address for
1306         PIC addresses.
1307         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1308         Remove special pattern.
1309         ("*expanded_call_side", "*expanded_call_value_side"): New
1310         patterns.
1311         (gotplt-to-plt, gotplt-to-plt-side-call)
1312         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1313         peephole2:s.
1314         * config/cris/cris/predicates.md
1315         ("cris_general_operand_or_gotless_symbol"): Remove unused
1316         predicate.
1317         ("cris_general_operand_or_symbol"): Adjust for new functions.
1318
1319 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1320
1321         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1322
1323 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
1324
1325         * Makefile.in (TREE_H): Add treestruct.def.
1326         (c-decl.o): Add pointer-set.h
1327         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1328         visibility on regular DECL's.
1329         (merge_decls): Fix the copying of decl nodes of various types for
1330         the new structures.  Don't update RTL, section name, weak status,
1331         etc, on DECL's without RTL.
1332         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1333         Don't check volatile on non-variable types.
1334         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1335         to check whether we have seen arguments.
1336         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1337         flag is checked before field (flag is common, field is not).
1338         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
1339         TS_DECL_COMMON could have an origin.
1340         (add_location_or_const_value_attribute): Don't check section name
1341         on non-var/function decls.
1342         (dwarf2out_var_location): Reverse order of tests.
1343         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1344         with DECL_WRTL_CHECK.
1345         * expmed.c (make_tree): rtl is now in decl_with_rtl.
1346         * fold-const.c (fold_binary): Don't check weakness on
1347         non-var/function decls.
1348         (tree_expr_nonzero_p): Ditto.
1349         (fold_checksum_tree): Use tree_decl_extra as sizeof
1350         buffer.
1351         * ggc-page.c (extra_order_size_table): Add sizes for
1352         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
1353         tree_field_decl.
1354         * gimplify.c (gimplify_bind_expr): Only set
1355         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1356         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1357         without RTL.
1358         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1359         * langhooks.h (init_ts). New langhook.
1360         * passes.c (rest_of_decl_compilation): Reverse order of tests.
1361         * print-tree.c (print_node): Update to only print fields that
1362         exist in the structures the passed decl has.
1363         * toplev.c (wrapup_global_declarations): Don't reset
1364         DECL_DEFER_OUTPUT on DECL's that don't contain it.
1365         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1366         * tree-inline.c (remap_decl): Ditto.
1367         * tree-outof-ssa.c (create_temp): Reverse order of tests.
1368         * tree-pretty-print.c (print_declaration): Don't print
1369         DECL_REGISTER on things that don't contain it.
1370         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1371         non-var/function decls.
1372         * tree.c (tree_contains_struct): New structure.
1373         (init_priority_for_decl): New hashtable.
1374         (tree_int_map): New structure.
1375         (tree_int_map_eq): New function.
1376         (tree_int_map_marked_p): Ditto.
1377         (tree_int_map_hash): Ditto.
1378         (tree_map): Move to tree.h.
1379         (tree_map_eq): Externalize.
1380         (tree_map_hash): Ditto.
1381         (tree_map_marked_p): Ditto.
1382         (init_ttree): Set up tree_contains_struct and call langhook.
1383         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1384         (tree_code_size): Update for new structures.
1385         (tree_node_structure): Update for new structures.
1386         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1387         without the field.
1388         (copy_node_stat):  Copy init priority.
1389         (build_decl_stat): Ditto for visibility.
1390         (ts_enum_names): New.
1391         (tree_contains_struct_check_failed): New function.
1392         (decl_init_priority_lookup): Ditto.
1393         (decl_init_priority_insert): Ditto.
1394         * treestruct.def: New file.
1395         * tree.h (CODE_CONTAINS_STRUCT): New macro.
1396         (CONTAINS_STRUCT_CHECK): Ditto.
1397         (tree_contains_struct_check_failed): New prototype.
1398         (DECL_CHECK): Removed.
1399         (DECL_MINIMAL_CHECK): New.
1400         (DECL_COMMON_CHECK): Ditto.
1401         (DECL_WRTL_CHECK): Ditto.
1402         (DECL_NON_COMMON_CHECK): Ditto.
1403         (DECL_WITH_VIS_CHECK): Ditto.
1404         (VAR_OR_FUNCTION_DECL_P): Ditto
1405         (struct tree_decl_minimal): New structure.
1406         (struct tree_decl_common): Ditto.
1407         (struct tree_decl_with_rtl): Ditto.
1408         (struct tree_decl_with_vis): Ditto.
1409         (struct tree_decl_non_common): Ditto.
1410         (struct tree_field_decl): Ditto.
1411         (struct tree_parm_decl): Ditto.
1412         (struct tree_var_decl): Ditto.
1413         (struct tree_function_decl): Ditto.
1414         (struct tree_const_decl): Ditto.
1415         (struct tree_result_decl): Ditto.
1416         (union tree_node): Add new structures.
1417         * var-tracking.c (track_expr_p): Reverse order of tests.
1418
1419         * doc/c-tree.texi: Add documentation on DECL node internal structure.
1420
1421 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1422
1423         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1424         * system.h: Poison FINALIZE_PIC.
1425         * doc/tm.texi (FINALIZE_PIC): Remove.
1426
1427 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1428
1429         PR tree-opt/22329
1430         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1431         to the correct type if we have a MODIFY_EXPR.
1432
1433 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1434
1435         PR tree-optimization/22360
1436         * tree.c (upper_bound_in_type): Fix calculations for casting
1437         to a non-wider signed type and casting a signed value to a
1438         wider unsigned type.
1439         (lower_bound_in_type): Fix calculations for casting to a
1440         non-wider signed type.
1441
1442         PR tree-optimization/20139
1443         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1444         release_defs.
1445         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1446         fold_cond_expr_cond.
1447         * tree-ssanames.c (release_defs): Assert in_ssa_p.
1448         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1449
1450 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1451
1452         PR tree-opt/22356
1453         * tree-complex.c (expand_complex_libcall): Produce
1454         REALPART_EXPR/IMAGPART_EXPR with the correct type.
1455
1456 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
1457
1458         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1459         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1460         b" assert and inserted fastpath code for this case.
1461         (bitmap_ior): Removed "a != b" assert.
1462
1463 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1464
1465         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1466         (ENDFILE_SPEC): Likewise.
1467         * config/m32r/m32r.h (ASM_SPEC): Likewise.
1468
1469         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1470         a large stack frame at epilogue.
1471
1472 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
1473
1474         * final.c: Include sdbout.h when required.
1475
1476 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
1477
1478         * config.gcc (*-*-darwin*): Only one target-specific header file
1479         for generic darwin.
1480         (powerpc-*-darwin*): Add version-specific header files.
1481         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1482         * config.in: Regenerate.
1483         * configure: Regenerate.
1484         * gcc.c: Include xregex.h.
1485         (version_compare_spec_function): New.
1486         (spec_function): Add version-compare.
1487         (replace_outfile_spec_function): Reformat comment.
1488         (compare_version_strings): New.
1489         * config/darwin-c.c (version_as_macro): New.
1490         (builtin_define): New.
1491         (darwin_cpp_builtins): New.
1492         * config/darwin-protos.h (darwin_cpp_builtins): New.
1493         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
1494         (LIB_SPEC): Make unconditional, update comment.
1495         (TARGET_C99_FUNCTIONS): Define.
1496         * config/darwin.opt: Sort.
1497         (mmacosx-version-min=): New.
1498         * config/darwin7.h: Delete.
1499         * config/darwin8.h: Delete.
1500         * config/i386/darwin.h (): Call darwin_cpp_builtins.
1501         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
1502         (TARGET_C99_FUNCTIONS): Define.
1503         * config/rs6000/darwin7.h: New.
1504         * config/rs6000/darwin8.h: New.
1505         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1506         (-mmacosx-version-min): Document.
1507
1508 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1509
1510         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1511
1512 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1513
1514         PR middle-end/22239
1515         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1516
1517 2005-07-07  Khem Raj  <kraj@mvista.com>
1518
1519         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1520         in bytes, not words.
1521
1522 2005-07-07  Paul Brook  <paul@codesourcery.com>
1523
1524         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1525         DEFAULT_FUNCTION_ARG_PADDING to upward.
1526
1527 2005-07-07  Richard Henderson  <rth@redhat.com>
1528
1529         * function.c (locate_and_pad_parm): Record parameter alignment in
1530         stack_alignment_needed.
1531
1532 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1533
1534         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1535         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1536         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1537         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1538         (define_attr "type"): Add isync, sync, load_l, store_c.
1539         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1540         Create scratch volatile MEM.
1541         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1542         sync.
1543         (load_locked_<mode>): New.
1544         (store_conditional_<mode>): New.
1545         (sync_compare_and_swap<mode>): Replace with splitter.
1546         (sync_lock_test_and_set<mode>): Replace with splitter.
1547         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1548         and UNSPECV_ISYNC.
1549         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1550         is ics.  Attribute isync.
1551         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1552         lwsync.
1553         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1554         and UNSPECV_SYNC_OP.
1555         (emit_unlikely_jump): New.
1556         (emit_load_locked): New.
1557         (emit_store_conditional): New.
1558         (rs6000_split_compare_and_swap): New.
1559         (rs6000_split_lock_test_and_set): New.
1560         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1561         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1562         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1563         rs6000_split_lock_test_and_set): Declare.
1564         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1565         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1566         store_c, isync, sync.
1567
1568 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1569
1570         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1571         filenames to gtyp-gen.h.
1572         (s-typ-gen): Use it in place of for loops.
1573
1574 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1575
1576         * hooks.c (hook_bool_rtx_int_false): New function.
1577         * hooks.h (hook_bool_rtx_int_false): Declare.
1578         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1579         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1580         * target.h (struct gcc_target): Add commutative_p member.
1581         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1582         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1583         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1584         (pa_commutative_p): New function.
1585         * jump.c (target.h): Include.
1586         (rtx_renumbered_equal_p): Use targetm.commutative_p.
1587         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
1588
1589 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1590
1591         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
1592         (s390_expand_setmem): New.
1593         * config/s390/s390.c: Likewise.
1594         (print_shift_count_operand): Truncate to 12 bits instead of 6.
1595         Adapt comments.
1596         * config/s390/s390.md: ("setmem<mode>"): Accept character as
1597         general_operand.  Call new function "s390_expand_setmem".
1598         ("clrmem_long", "*clrmem_long"): Rewrite to ...
1599         ("setmem_long", "*setmem_long"): ... this.
1600
1601 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1602
1603         * config/s390/s390.c: (optimization_options): Enable
1604         TARGET_MVCLE at -Os.
1605         * doc/invoke.texi: Document changes in default behaviour.
1606         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
1607
1608 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1609
1610         * expr.c: (set_storage_via_setmem): Convert opchar to mode
1611         defined by back-end.
1612
1613 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
1614
1615         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1616         all sets in the pattern.
1617         * config/rs6000/rs6000.md (stack_protect_testsi,
1618         stack_protect_testdi): Likewise.
1619
1620 2005-07-06  Jeff Law  <law@redhat.com>
1621
1622         * tree-vrp.c (simplify_using_ranges): Kill.
1623         (vrp_finalize): Remove call to simplify_using_ranges.
1624         (simplify_stmt_using_ranges): New function extracted from
1625         simplify_using_ranges.
1626         (simplify_div_or_mod_using_ranges): Likewise.
1627         (simplify_abs_using_ranges): Likewise.
1628         (simplify_cond_using_ranges): New function.
1629         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
1630         * tree-ssa-propagate.c (substitute_and_fold): Call
1631         simplify_stmt_using_ranges if we have range information.
1632
1633 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
1634
1635         * config/ia64/ia64.c (ia64_reorg): Check optimize before
1636         ia64_flag_schedule_isns2.
1637
1638         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
1639         reading/writing general registers.
1640         (ia64_function_arg): Revert 2005-06-18 change.
1641
1642 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1643
1644         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
1645         (legitimize_tls_address): Use gcc_unreachable instead of abort.
1646
1647 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
1648
1649         * function.c (expand_function_end): Revert part of 2005-06-27
1650         patch.  Do sjlj_emit_function_exit_after after return_label.
1651
1652 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1653
1654         * doc/install.texi (--disable-libssp): New.
1655
1656 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
1657
1658         * doc/invoke.texi: Update -fforce-mem documentation.
1659         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
1660         code for -fforce-mem.
1661         * expmed.c: (store_bit_field,store_fixed_bit_field,
1662         extract_bit_field): Ditto.
1663         * expr.c: (convert_move): Ditto.
1664         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
1665         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
1666         emit_conditional_add,expand_float,expand_fix): Ditto.
1667         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
1668         (common_handle_option): Issue warning when -fforce-mem specified.
1669
1670 2005-07-06  Paul Brook  <paul@codesourcery.com>
1671
1672         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
1673         argument is empty.
1674         * configure: Regenerate.
1675
1676 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
1677
1678         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
1679
1680 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
1681
1682         Fix PR tree-optimization/22319
1683         Fix PR tree-optimization/22140
1684         Fix PR tree-optimization/22310
1685
1686         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
1687         variable sized types.
1688         Use correct type for intermediate structure on *a = *b structure
1689         copies.
1690
1691 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1692
1693         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
1694         Remove.
1695         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
1696         (machine_function): Move typedef to...
1697         * config/rs6000/rs6000.c (machine_function): ... here.  Add
1698         varargs_save_offset field.
1699         (rs6000_stack_t): Remove varargs_size field.
1700         (setup_incoming_varargs): Allocate varargs save area using
1701         assign_stack_local, try to make it as small as possible.
1702         Save offset from virtual_stack_vars_rtx to the save area
1703         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
1704         instead of magic 8 when fp word byte size is used.
1705         (rs6000_va_start): Use cfun->machine->varargs_save_offset
1706         instead of -RS6000_VARARGS_SIZE.
1707         (rs6000_stack_info, debug_stack_info,
1708         rs6000_initial_elimination_offset): Remove all traces of
1709         varargs_size.
1710         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
1711         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
1712         RS6000_VARARGS_AREA.
1713
1714 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
1715
1716         PR tree-optimization/21963
1717         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
1718         constant_multiple_of in the same way get_computation_cost_at does.
1719
1720 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1721
1722         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
1723         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
1724         (gen_compare_reg): If sparc_compare_emitted is set, clear it
1725         and return its previous value.
1726         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
1727         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
1728         constants.
1729         (stack_protect_set, stack_protect_test): New expanders.
1730         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
1731         stack_protect_testdi): New insns.
1732         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1733         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
1734
1735 2005-07-06  Jeff Law  <law@redhat.com>
1736
1737         * tree-ssa-dce.c (cfg_altered): New global.
1738         (tree_dce_init): Initialize cfg_altered.
1739         (remove_dead_stmt): If we remove an edge in the CFG, then set
1740         CFG_ALTERED.
1741         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
1742         the dominators.
1743
1744 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1745
1746         * Makefile.in (stamp-collect-ld): Use
1747         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
1748         ./collect-ld if it already exists.
1749         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
1750         Don't remove ./nm if it already exists.
1751
1752 2005-07-05  Devang Patel  <dpatel@apple.com>
1753
1754         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
1755         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
1756         * tree-vectorizer.c (vect_loop_location): New.
1757         (vect_print_dump_info): Use vect_loop_location.
1758         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
1759         (vectorize_loops): Set vect_loop_location.
1760         * tree-vect-analyze.c (vect_analyze_offset_expr,
1761         vect_determin_vectorization_factor, vect_analyze_operations,
1762         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
1763         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
1764         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
1765         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
1766         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
1767         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
1768         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
1769         vect_analyze_loop): Adjust vect_print_dump_info API.
1770         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1771         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
1772         vect_finish_stmt_generation, vectorizable_assignment,
1773         vectorizable_operation, vectorizable_store, vectorizable_load,
1774         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
1775         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1776         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
1777         vect_transform_loop): Same.
1778         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
1779         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
1780         Same.
1781
1782 2005-07-05  Randolph Chung  <tausq@debian.org>
1783
1784         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
1785         * configure: Regenerate.
1786         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
1787         (pa_tls_referenced_p): Declare.
1788         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
1789         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
1790         (legitimize_tls_address): New.
1791         (hppa_legitimize_address): Handle TLS addresses.
1792         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
1793         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1794         (emit_move_sequence): Handle TLS addresses.
1795         (pa_encode_section_info): Call default handler to handle common
1796         sections.
1797         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
1798         (CONSTANT_ADDRESS_P): Reject TLS operands.
1799         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
1800         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
1801         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
1802         (UNSPEC_TLSLE): Define new constants.
1803         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
1804         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
1805         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
1806         (tie_symbolic_operand, tle_symbolic_operand): New
1807
1808 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
1809
1810         * aclocal.m4: Update macros for autoconf 2.59 style.
1811         * configure.ac: Likewise.
1812
1813 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1814
1815         * pa.c (function_value): Handle small aggregates on 32-bit targets.
1816         (function_arg): Pass small aggregates in general registers on 32-bit
1817         targets.
1818         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
1819
1820 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
1821
1822         * Makefile.in (final.o): Fix dependencies.
1823
1824 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1825
1826         PR c/22013
1827         PR c/22098
1828         * langhooks.h (struct lang_hooks): Add expr_to_decl.
1829         * langhooks.c (lhd_expr_to_decl): New.
1830         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
1831         New.
1832         (LANG_HOOKS_INITIALIZER): Update.
1833         * tree.c (recompute_tree_invarant_for_addr_expr): Call
1834         expr_to_decl langhook.
1835         * c-tree.h (c_expr_to_decl): Declare.
1836         * c-typeck.c (c_expr_to_decl): New.
1837         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
1838         specially.
1839         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
1840
1841 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1842
1843         PR c/22308
1844         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
1845         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
1846
1847 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
1848
1849         * Makefile.in: Adjust dependencies.
1850         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
1851         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
1852         * alias.c (rest_of_handle_cfg, pass_cfg): New.
1853         * bb-reorder.c (duplicate_computed_gotos): Make it static.
1854         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
1855         rest_of_compilation.
1856
1857         * bb-reorder.c (gate_duplicate_computed_gotos,
1858         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
1859         rest_of_handle_reorder_blocks, pass_reorder_blocks,
1860         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
1861         pass_partition_blocks): New.
1862         * bt-load.c (gate_handle_branch_target_load_optimize,
1863         rest_of_handle_branch_target_load_optimize,
1864         pass_branch_target_load_optimize): New.
1865         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
1866         pass_jump2): New.
1867         * cfglayout.c (pass_insn_locators_initialize): New.
1868         * cfgrtl.c (pass_free_cfg): New.
1869         * combine.c (gate_handle_combine, rest_of_handle_combine,
1870         pass_combine): New.
1871         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
1872         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
1873         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
1874         * except.c (pass_set_nothrow_function_flags,
1875         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
1876         pass_rtl_eh): New.
1877         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
1878         rest_of_handle_shorten_branches, pass_shorten_branches,
1879         rest_of_clean_state, pass_clean_state): New.
1880         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
1881         rest_of_handle_remove_death_notes, pass_remove_death_notes,
1882         rest_of_handle_life, pass_life, rest_of_handle_flow2,
1883         pass_flow2): New.
1884         * function.c (pass_instantiate_virtual_regs, pass_init_function,
1885         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
1886         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1887         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
1888         pass_gcse): New.
1889         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
1890         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
1891         pass_rtl_ifcvt, gate_handle_if_after_combine,
1892         rest_of_handle_if_after_combine, pass_if_after_combine,
1893         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
1894         pass_if_after_reload): New.
1895         * integrate.c (pass_initial_value_sets): New.
1896         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
1897         pass_purge_lineno_notes): New.
1898         * mode-switching.c (rest_of_handle_mode_switching,
1899         pass_mode_switching): New.
1900         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
1901         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
1902         pass_loop2): New.
1903         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
1904         pass_loop_optimize): New.
1905         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
1906         pass_sms): New.
1907         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
1908         pass_gcse2): New.
1909         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
1910         pass_postreload_cse): New.
1911         * profile.c (gate_handle_profiling, pass_profiling,
1912         rest_of_handle_branch_prob, pass_branch_prob): New.
1913         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
1914         pass_split_before_regstack, gate_handle_split_before_regstack,
1915         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
1916         rest_of_handle_split_all_insns, pass_split_all_insns): New.
1917         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
1918         pass_stack_regs): New.
1919         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
1920         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
1921         pass_stack_adjustments): New.
1922         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
1923         pass_regrename): New.
1924         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
1925         pass_delay_slots, gate_handle_machine_reorg,
1926         rest_of_handle_machine_reorg, pass_machine_reorg): New.
1927         * rtl.h (extern void purge_line_number_notes): New.
1928         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
1929         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
1930         pass_sched2): New.
1931         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
1932         pass_tracer): New.
1933         * value-prof.c (gate_handle_value_profile_transformations,
1934         rest_of_handle_value_profile_transformations,
1935         pass_value_profile_transformations): New.
1936         * var-tracking.c (gate_handle_var_tracking,
1937         pass_variable_tracking): New.
1938         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
1939
1940         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
1941         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
1942         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
1943         rest_of_handle_old_regalloc, rest_of_handle_regrename,
1944         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
1945         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
1946         rest_of_handle_gcse2, rest_of_handle_regmove,
1947         rest_of_handle_tracer, rest_of_handle_if_conversion,
1948         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
1949         rest_of_handle_web, rest_of_handle_branch_prob,
1950         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
1951         rest_of_handle_jump_bypass, rest_of_handle_combine,
1952         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1953         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1954         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
1955         rest_of_handle_mode_switching, rest_of_handle_jump,
1956         rest_of_handle_eh, rest_of_handle_stack_adjustments,
1957         rest_of_handle_flow2, rest_of_handle_jump2,
1958         rest_of_handle_peephole2, rest_of_handle_postreload,
1959         rest_of_handle_shorten_branches, rest_of_clean_state,
1960         rest_of_compilation): Remove.
1961
1962         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
1963         * passes.c (dump_flags, in_gimple_form, all_passes,
1964         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1965         register_dump_files, next_pass_1, last_verified, execute_todo,
1966         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
1967         from tree-optimize.c.
1968         (init_optimization_passes): Moved from tree-optimize.c,
1969         adding the RTL optimizations.
1970         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
1971         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
1972         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1973         register_dump_files, next_pass_1, last_verified, execute_todo,
1974         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
1975         init_tree_optimization_passes, ipa_passes): Delete.
1976         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
1977         the RTL dumps.
1978         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
1979         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
1980         from tree.h.
1981         (ipa_passes): Remove.
1982         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
1983         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
1984         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
1985         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
1986         (dump_info_p, dump_flag): Moved to tree-dump.h.
1987
1988         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
1989         cgraph.c, opts.c.
1990         * passes.c (finish_optimization_passes): Use dump_begin
1991         and dump_end, TDI_end.
1992         (gate_rest_of_compilation): New.
1993         (pass_rest_of_compilation): Use it.
1994         (gate_postreload, pass_postreload): New.
1995         * toplev.c (general_init): Rename init_tree_optimization_passes.
1996         * toplev.h (init_tree_optimization_passes): Rename to
1997         init_optimizations_passes.
1998         * tree-dump.c (dump_flag): Make static.
1999         (dump_files): Remove RTL dumps.
2000         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2001         pass_cleanup_cfg, pass_free_cfg_annotations,
2002         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2003         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2004         * tree-pretty-print.c: Include tree-pass.h.
2005         * cgraph.c: Include tree-dump.h.
2006
2007 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2008
2009         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2010         Only fall back to saying it points to readonly memory if
2011         we can't do better.
2012
2013 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2014
2015         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2016         * config/m32r/m32r.c (m32r_compute_frame_size,
2017         m32r_expand_prologue): Take current_function_profile into
2018         account whenever we reference
2019         current_function_uses_pic_offset_table.
2020         (m32r_finalize_pic): Remove.
2021         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2022
2023 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2024
2025         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2026         instead of $<.  Don't remove ./as if it already exists.
2027
2028 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2029
2030         PR target/21723
2031         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2032         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2033         for complex modes when generating code for PA 1.0.
2034         (VALID_FP_MODE_P): New macro.
2035         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2036         sets for all general and floating point modes.  Align wide floating
2037         point modes to even register boundaries to comply with architectural
2038         requirements.
2039         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2040         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2041         (VALID_FP_MODE_P): New macro.
2042         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2043         sets for all general and floating point modes.  Align wide floating
2044         point modes to even register boundaries to comply with architectural
2045         requirements.
2046
2047 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2048
2049         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2050         to 0.
2051
2052 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2053
2054         * tree-ssa-structalias.c: Don't include expr.h.
2055
2056 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2057
2058         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2059         comments.
2060
2061 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2062
2063         Fix PR tree-optimization/22279
2064
2065         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2066         correct operator.
2067
2068 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2069
2070         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2071
2072 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2073
2074         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2075         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2076         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2077         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2078         config/stormy16/stormy16.c, config/v850/v850.c,
2079         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2080         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2081         Avoid "." or "\n" at end of diagnostics and capital letters at
2082         start of diagnostics.
2083         * combine.c, cse.c: Don't translate dump file output.
2084         * toplev.c (print_version): Only translate output if going to
2085         stderr.
2086
2087 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2088
2089         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2090         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2091         typos.
2092
2093 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2094
2095         * pa.c (fix_range): Fix typo in comment.
2096
2097 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2098
2099         * tree-vrp.c (extract_range_from_assert): Replace
2100         fold (build (...)) with fold_build2.
2101
2102 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2103
2104         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2105         gcc_gfc_char_table, init_dynamic_gfc_info): New.
2106         (format_types_orig, handle_format_attribute): Add support for
2107         format "gcc_gfc".
2108
2109 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2110
2111         * varasm.c (assemble_variable): Fix format specifier thinko.
2112
2113 2005-07-03  Ira Rosen  <irar@il.ibm.com>
2114
2115         PR tree-optimization/22029 (and 22135)
2116         * tree-pretty-print.c (dump_generic_node): Check that the node is not
2117         a phi node before calling dump_vops.
2118
2119 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2120
2121         * tree-dump.h (dump_string_field): Declare.
2122         * tree-dump.c: Use it instead of dump_string.
2123         (dump_string_field): Make non-static.
2124
2125 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2126
2127         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2128         up the minimal CFG stuff always when optimize > 0.  Call
2129         split_all_insns_noflow in PIC case if needed.
2130
2131 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2132             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2133
2134         PR c++/18279
2135         * c-decl.c (c_write_global_declarations): Dump contents of
2136         external scope to.
2137         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2138         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2139         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2140         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2141         is enabled.
2142
2143 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2144
2145         * c-common.h (GCC_DIAG_STYLE): Define.
2146         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
2147         version for format checking to 4.1.
2148         * c-format.c: Include toplev.h after c-common.h.
2149         (enum format_type): Add gcc_tdiag_format_type.
2150         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2151         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2152         (format_types_orig): Add gcc_tdiag.
2153         (init_dynamic_diag_info): Support gcc_tdiag formats.
2154         (handle_format_attribute): Likewise.
2155         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2156         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
2157         version for format checking to 4.1.
2158         (warning0, warning, error, pedwarn, sorry): Use
2159         ATTRIBUTE_GCC_DIAG.
2160         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2161         (finish_aliases_1): Do not use %qE.
2162         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2163         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2164         Correct format bugs.
2165         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2166         parameter to unsigned HOST_WIDE_INT.
2167         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2168
2169 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
2170
2171         PR middle-end/21742
2172         * expr.c (write_complex_part): Use adjust_address for MEM.
2173         (read_complex_part): Same.
2174
2175 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
2176
2177         Fix PR tree-optimization/22280
2178
2179         * tree-sra.c (generate_element_init): Remove useless loop.
2180
2181 2005-07-02  Richard Henderson  <rth@redhat.com>
2182
2183         * config/alpha/alpha.c (alpha_legitimize_address): Check for
2184         TLS_MODEL_NONE.
2185         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2186
2187 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
2188
2189         PR middle-end/14490
2190         * fold-const.c (fold_binary): Handle the return value of
2191         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2192         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2193
2194 2005-07-02  Jeff Law  <law@redhat.com>
2195
2196         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2197         a eliminate type conversion which feeds an equality comparison
2198         if the original type or either operand in the comparison is a
2199         function pointer.
2200
2201 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
2202
2203         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2204         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2205         texts.
2206         * config/avr/avr.c: Do not use '`' as left quote.
2207         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2208         Remove "." from end of diagnostics.  Make diagnostics start with
2209         lowercase letter.
2210
2211 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
2212             Joseph S. Myers  <joseph@codesourcery.com>
2213
2214         * toplev.c (default_tree_printer): Handle setting location with
2215         '+' flag.
2216         * c-objc.common.c (c_tree_printer): Likewise.
2217         * c-format.c (gcc_diag_flag_specs): Add '+'.
2218         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2219         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2220         formats.
2221         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2222         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2223         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2224         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2225         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2226         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
2227         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
2228         format arguments where %J is used without %D.
2229
2230 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
2231
2232         * gcc.c (LINK_SSP_SPEC): Define.
2233         (link_ssp_spec): New variable.
2234         (LINK_COMMAND_SPEC): Add %(link_ssp).
2235         (static_specs): Add link_ssp_spec.
2236         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2237         * configure: Rebuilt.
2238         * config.in: Rebuilt.
2239
2240         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2241         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2242         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2243         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2244         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2245         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2246         -0x7008(2) instead of reading __stack_chk_guard variable.
2247         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2248         number.
2249         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2250         (stack_protect_set, stack_protect_test): Use *_tls* patterns
2251         if TARGET_THREAD_SSP_OFFSET is defined.
2252         (stack_tls_protect_set_si, stack_tls_protect_set_di,
2253         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2254
2255         Revert:
2256         2005-06-27  Richard Henderson  <rth@redhat.com>
2257         * libgcc-std.ver (GCC_4.1.0): New.
2258         * libgcc.h (__stack_chk_guard): Declare.
2259         (__stack_chk_fail, __stack_chk_fail_local): Declare.
2260         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2261         * mklibgcc.in (lib2funcs): Add them.
2262
2263 2005-07-01  Richard Henderson  <rth@redhat.com>
2264
2265         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2266         void * before struct sigcontext *.
2267         (x86_fallback_frame_state): Likewise.
2268
2269 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
2270
2271         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2272
2273 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2274
2275         PR tree-opt/22269
2276         * tree-ssa-reassoc.c (should_transpose): Fix which operand
2277         we check for SSA_NAME for.
2278
2279 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
2280
2281         Fix PR tree-optimization/22071
2282
2283         * tree-ssa-structalias.c (offset_overlaps_with_access): New
2284         function.
2285         (get_constraint_for_component_ref): Use it.
2286
2287 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2288
2289         PR other/22264
2290         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2291         print out the last new line.
2292
2293 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
2294
2295         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2296         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2297         * config/cris/cris.c (cris_conditional_register_usage): Adjust
2298         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2299         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2300         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2301         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2302         (enum reg_class): New member CC0_REGS.
2303         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2304         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2305         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2306         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2307         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2308         Adjust for register now described.
2309
2310 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
2311
2312         PR target/22262
2313         * config/i386/i386.md (stack_protect_test_si,
2314         stack_protect_test_di): Add earlyclobber for scratch 3.
2315         * config/rs6000/rs6000.md (stack_protect_testsi,
2316         stack_protect_testdi): Add earlyclobber for scratch 3,
2317         remove earlyclobber from scratch 4.
2318
2319 Older entries for 2005 can be found in ChangeLog-2005.