gcc/ChangeLog

   1 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
   2
   3         * expr.h (canonicalize_condition, get_condition): Add an int argument.
   4         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
   5         it to check whether the condition is still valid at the jump insn.
   6         * ifcvt.c (noce_get_condition): Likewise.
   7         (noce_get_alt_condition): Update call to canonicalize_condition.
   8         * loop-iv.c (simplify_using_initial_values): Update call to
   9         get_condition.  Remove FIXME.
  10         (check_simple_exit): Update call to get_condition.
  11         * loop-unswitch.c (may_unswitch_on): Likewise.
  12         * loop.c (check_dbra_loop): Likewise.
  13         (canonicalize_condition, get_condition): Add an argument to say whether
  14         the condition must still be valid at INSN.
  15         (get_condition_for_loop): Update call to get_condition.  Require that
  16         the condition be valid at INSN.
  17         * predict.c (estimate_probability): Update call to get_condition.
  18         Remove unused earliest parameter.
  19         (expected_value_to_br_prob): Update call to canonicalize_condition.
  20
  21 2004-07-26  Eric Christopher  <echristo@redhat.com>
  22
  23         * tree-dfa.c (add_referenced_var): Register initializers of global
  24         variables.
  25
  26 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
  27
  28         * config/i386/i386.c (function_arg): Always treat 8-
  29         and 16-byte wide vectors the same, even if MMX/SSE
  30         are disabled.
  31         (contains_128bit_aligned_vector_p): Add comment.
  32
  33 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
  34
  35         * ra.h (enum node_type): Rename to:
  36         (enum ra_node_type).
  37         * ra-colorize.c: Likewise.
  38
  39 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
  40
  41         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
  42         after simplifying the jump.
  43
  44 2004-06-26  Richard Henderson  <rth@redhat.com>
  45
  46         * calls.c (combine_pending_stack_adjustment_and_call): Make
  47         preferred_unit_stack_boundary argument unsigned.  Make
  48         unadjusted_alignment unsigned.
  49         (expand_call): Make preferred_stack_boundary and
  50         preferred_unit_stack_boundary variables unsigned.
  51         * function.c (assign_stack_local_1): Make alignment unsigned.
  52         * function.h (struct function): Make stack_alignment_needed,
  53         preferred_stack_boundary unsigned.
  54         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
  55         (ix86_compute_frame_layout): Make stack_alignment_needed,
  56         preferred_alignment variables unsigned.
  57         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
  58
  59 2004-07-26  Tom Tromey  <tromey@redhat.com>
  60
  61         * tree.h: Fix typo in comment.
  62
  63 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
  64
  65         PR bootstrap/12804
  66         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
  67         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
  68         (ggc_free): Remove incorrect freeing.
  69         (sweep_pages): Advance PP for large pages.  Fix indentation.
  70
  71 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
  72
  73         PR rtl-optimization/16643
  74         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
  75         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
  76         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
  77         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
  78         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
  79         * function.c (thread_prologue_and_epilogue_insns): Likewise.
  80         * rtl.h (tracer): Add a flags parameter.
  81         * tracer.c (tracer): Pass it to cfg_layout_initialise.
  82         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
  83         (rest_of_handle_reorder_blocks): Update calls to tracer and
  84         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
  85         (rest_of_handle_tracer): Pass 0 to tracer.
  86         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
  87
  88 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
  89
  90         PR target/16239
  91         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
  92         f->f.
  93
  94 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
  95
  96         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
  97         (BINFO_BASE_ACCESS): Adjust.
  98         (BINFO_BASE_ACCESS_APPEND): New.
  99         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
 100         * dbxout.c (dbxout_type): Adjust binfo access accessing.
 101         * dwarf2out.c (gen_member_die): Likewise.
 102         * tree-dump.c (deque_and_dump): Likewise.
 103
 104 2004-07-26  Falk Hueffner  <falk@debian.org>
 105
 106         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
 107         costs.
 108
 109 2004-07-25  Roger Sayle  <roger@eyesopen.com>
 110
 111         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
 112         value off of the stack if TARGET_USE_FFREEP.
 113
 114 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
 115
 116         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
 117         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
 118         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
 119         check on invocation of XRESIZEVEC ().
 120
 121 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
 122
 123         * c-common.c (disable_builtin_function): Rename variable n to
 124         new_disabled_builtin.
 125         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
 126         Rename local variable old to old_decl.
 127         * gensupport.c (shift_output_template): Rename parameter old to src.
 128         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
 129         old_rtx and newx to new_rtx.
 130
 131 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
 132
 133         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
 134         of c-pragma.h.
 135         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
 136         enum cpp_ttype.
 137         * c-lex.c: Likewise.
 138
 139 2004-07-25  Roger Sayle  <roger@eyesopen.com>
 140
 141         * fold-const.c (constant_boolean_node): Make extern.
 142         (make_range): Wrap long lines.
 143         (fold_cond_expr_with_comparison): Remove unnecessary call to
 144         pedantic_non_lvalue.  Add missing calls to fold_convert.
 145         (fold_truthop): Add missing calls to fold_convert.
 146         (fold): Likewise.
 147         * tree.h (constant_boolean_node): Add prototype here.
 148         * builtins.c (expand_builtin_strncmp): Add missing calls to
 149         fold_convert.
 150         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
 151         Call fold_convert and constant_boolean_node to correct types.
 152         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
 153         missing call to fold_convert to correct types.
 154
 155 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
 156             Brian Ryner  <bryner@brianryner.com>
 157
 158         PR c++/9283
 159         PR c++/15000
 160         * c-common.c (c_common_attribute_table): Allow
 161         handle_visibility_attribute to be called for types.
 162         (handle_visibility_attribute) When given a type, set the visibility
 163         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
 164         so that we can check later whether the attribute was present. Added
 165         warning if attribute applied to non class type.
 166         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
 167         decls and checking that they are consistent.
 168         * common.opt: Added -fvisibility.
 169         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
 170         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
 171         * flags.h, tree.h: Added assorted support defines for overall patch
 172         * opts.c: Added parsing support for -fvisibility.
 173         * tree.c (build_decl): Set visibility for all decls to be whatever
 174         is in force at that time.
 175         * varasm.c (default_binds_local_p_1): Reworked logic determining
 176         when to make a symbol locally bound.
 177         * doc/invoke.texi: Added documentation for -fvisibility and
 178         -fvisibility-inlines-hidden.
 179
 180 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 181
 182         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
 183         * c-common.c: Add missing casts from void * to other types.
 184         * c-decl.c: Likewise.
 185         * c-format.c: Likewise.
 186         * c-lex.c: Likewise.
 187         * c-pragma.c: Likewise.
 188         * c-typeck.c: Likewise.
 189         * defaults.h: Likewise.
 190         * genconstants.c: Likewise.
 191         * gengtype-lex.l: Likewise.
 192         * genmodes.c: Likewise.
 193         * read-rtl.c: Likewise.
 194         * rtl.c: Likewise.
 195
 196 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 197
 198         * bitmap.c: Use type-safe memory allocation macros from libiberty.
 199         * c-common.c: Likewise.
 200         * c-decl.c: Likewise.
 201         * c-lang.c: Likewise.
 202         * c-lex.c: Likewise.
 203         * c-opts.c: Likewise.
 204         * c-parse.in: Likewise.
 205         * c-typeck.c: Likewise.
 206         * genconditions.c: Likewise.
 207         * gengtype-lex.l: Likewise.
 208         * gengtype-yacc.y: Likewise.
 209         * gengtype.c: Likewise.
 210         * genmodes.c: Likewise.
 211         * gensupport.c: Likewise.
 212         * read-rtl.c: Likewise.
 213         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
 214         htab_find_slot().
 215
 216 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 217
 218         * c-decl.c (groktypename, groktypename_in_param_context): Rename
 219         variable typename to type_name.
 220         * c-lex.c (interpret_float): Likewise.
 221
 222 2004-07-25  Roger Sayle  <roger@eyesopen.com>
 223
 224         * convert.c (convert_to_real, convert_to_integer,
 225         convert_to_complex): Replace calls to build with calls to buildN.
 226         * coverage.c (tree_coverage_counter_ref): Likewise.
 227         * dojump.c (do_jump): Likewise.
 228         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
 229         * emit-rtl.c (component_ref_for_mem_expr,
 230         set_mem_attributes_minus_bitpos): Likewise.
 231         * explow.c (update_nonlocal_goto_save_area): Likewise.
 232         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
 233         expand_mult_add): Likewise.
 234         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
 235         store_constructor, get_inner_reference, expand_expr_real_1,
 236         try_casesi, try_tablejump): Likewise.
 237         * function.c (expand_function_start): Likewise.
 238         * stmt.c (emit_case_bit_tests, expand_end_case_type,
 239         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
 240         * stor-layout.c (place_union_field, layout_type): Likewise.
 241         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
 242         * varasm.c (copy_constant): Likewise.
 243
 244 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 245
 246         * c-common.c: Rename all identifiers named `new'.
 247         * c-decl.c: Likewise.
 248         * gensupport.c: Likewise.
 249         * simplify-rtx.c: Likewise.
 250         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
 251         with XNEW().
 252         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
 253         with XNEWVEC().
 254
 255 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
 256
 257         PR c/15360
 258         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
 259         declarations until after calling pushdecl.
 260         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
 261         "extern" and not on whether the declaration is initialized.
 262
 263 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
 264
 265         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
 266         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
 267         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
 268         "cpplib.h", "c-pragma.h", "c-common.h".
 269         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
 270         (solaris_register_pragmas): New functions.
 271         * config/sol2-protos.h: New file.
 272         * config/sol2.c: New file.
 273         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
 274         (REGISTER_TARGET_PRAGMAS): New macros.
 275         (solaris_pending_aligns, solaris_pending_inits)
 276         (solaris_pending_finis): New variables.
 277         * config/t-sol2 (sol2-c.o): Update dependencies.
 278         (sol2.o): New rule.
 279         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
 280         SUBTARGET_INSERT_ATTRIBUTES.
 281         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
 282         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
 283         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
 284         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
 285         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
 286         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
 287         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
 288         * config/sparc/sparc.c (sparc_attribute_table): New.
 289         (TARGET_INSERT_ATTRIBUTES): Define in terms of
 290         SUBTARGET_INSERT_ATTRIBUTES.
 291         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
 292         is defined.
 293         * doc/extend.texi (Solaris Pragmas): New section.
 294
 295 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 296
 297         * c-common.c: Rename all identifiers named `class' to `cl'.
 298         * c-common.h: Likewise.
 299         * c-parse.in: Likewise.
 300         * c-typeck.c: Likewise.
 301         * genmodes.c: Likewise.
 302         * real.c: Likewise.
 303         * real.h: Likewise.
 304         * recog.c: Likewise.
 305         * recog.h: Likewise.
 306         * regrename.c: Likewise.
 307         * tree.h: Likewise.
 308         * c-common.c (builtin_function_2): Change type of 5th parameter from
 309         int to enum built_in_function. Change type of 8th parameter from int
 310         to bool.
 311         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
 312         with GGC_CNEW().
 313         * c-typeck.c (convert_arguments): Change type of formal_prec from
 314         int to unsigned int.
 315         * genmodes.c (blank_mode): Make a few negative constants unsigned.
 316         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
 317         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
 318         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
 319         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
 320         iterator to for_all_modes () instead of an enum because enums can't
 321         be incremented in C++.
 322
 323
 324 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
 325
 326         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
 327         hard registers.
 328
 329 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 330
 331         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
 332         Handle ARRAY_RANGE_REF like ARRAY_REF.
 333
 334 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
 335
 336         * c-typeck.c (digest_init): Don't allow arrays of signed or
 337         unsigned variants of wchar_t to be initialized by wide string
 338         constants.  Do allow arrays of enumerated types compatible with
 339         wchar_t to be initialized by wide string constants.  Refine tests
 340         distinguishing wide and narrow strings and arrays.  Give specific
 341         error for arrays of other integer types initialized by string
 342         constants.
 343         (output_init_element, process_init_element): Check for
 344         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
 345         initializing with string constants.
 346
 347 2004-07-25  Richard Henderson  <rth@redhat.com>
 348
 349         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
 350         on the RESULT_DECL.
 351         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
 352         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
 353         DECL_IGNORED_P to new decl.
 354
 355 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
 356
 357         * config/ia64/ia64.c (general_xfmode_operand)
 358         (destination_xfmode_operand): Delete.
 359         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
 360         * config/ia64/ia64.md (*movxf_internal): Use general_operand
 361         and destination_operand.
 362
 363 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
 364
 365         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
 366         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
 367
 368 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
 369             Zack Weinberg  <zack@codesourcery.com
 370
 371         PR 16684
 372         * c-decl.c (diagnose_mismatched_decls): Don't issue a
 373         redundant-declaration warning the first time a builtin is
 374         declared explicitly.
 375
 376 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 377
 378         * tree.h (staticp): Change return type to bool.
 379
 380 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 381
 382         * c-common.c (c_staticp): Last episode of the staticp saga.
 383
 384 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 385
 386         * c-common.h (c_staticp): Change return type from int to bool.
 387         * tree.c (staticp): Likewise.
 388         * langhooks.h (staticp): Likewise.
 389
 390 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 391
 392         * langhooks-def.h (lhd_staticp): Change return type from int to
 393         bool in prototype to match definition.
 394
 395 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 396
 397         * system.h (bool, true, false): Don't redefine as preprocessor macros
 398         in C++.
 399
 400 2004-07-24  Roger Sayle  <roger@eyesopen.com>
 401
 402         * expmed.c (init_expmed): A signed modulus by a power of two is
 403         considered cheap if its less than or equal to four instructions.
 404
 405 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 406
 407         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
 408         GGC_CNEWVAR): New macros.
 409
 410 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
 411
 412         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
 413         lists.
 414         * c-decl.c: Likewise.
 415         * c-format.c: Likewise.
 416         * c-lex.c: Likewise.
 417         * c-opts.c: Likewise.
 418         * c-pragma.c: Likewise.
 419         * c-typeck.c: Likewise.
 420         * gencheck.c: Likewise.
 421         * genconditions.c: Likewise.
 422         * genconfig.c: Likewise.
 423         * genflags.c: Likewise.
 424         * gengtype.c: Likewise.
 425         * gensupport.c: Likewise.
 426         * ggc-none.c: Likewise.
 427         * langhooks.c: Likewise.
 428         * statistics.h: Likewise.
 429         * stub-objc.c: Likewise.
 430         * java/decl.c: Likewise.
 431
 432 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
 433
 434         * config/m68k/m68k.c (output_scc_di): Fix coding style.
 435         (symbolic_operand): Fix prototype.
 436         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
 437         * config/m68k/m68k.md: Add constants for registers a0 and sp and
 438         use them, change from the "{...}" syntax to the simpler {...}
 439         syntax.
 440         (*cfv4_extendqisi2): Fix destination predicate.
 441         * config/m68k/m68k-protos.h: Remove various declarations also
 442         generated via PREDICATE_CODES.
 443
 444 2004-07-23  Mike Stump  <mrs@apple.com>
 445
 446         * c-typeck.c (convert_for_assignment): Tightened up pointer
 447         converstions that differ in signedness.
 448
 449 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
 450
 451         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
 452
 453 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 454
 455         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
 456         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
 457
 458         * gimplify.c (gimplify_compound_lval): Check for no handled
 459         operations, rather than checking for explicit list of nodes.
 460         (is_gimple_addr_expr_arg_or_indirect): New function.
 461         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
 462         redundant setting of TREE_INVARIANT.
 463         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
 464         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
 465
 466 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
 467
 468         PR tree-optimization/16688
 469         PR tree-optimization/16689
 470         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
 471         unnecessary initialization of 'tag'.
 472         (get_tmt_for): Check that the new type tag has the same alias
 473         set as the pointed-to type.
 474         (group_aliases): Only regular variables need to be removed
 475         from the alias set of a name tag.
 476         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
 477         propagation if the two types are not compatible.
 478         (merge_alias_info): Rename from replace_ssa_names_ann.
 479         Add more checking.
 480         (replace_exp_1): If both arguments are SSA_NAMEs, check that
 481         the propagation can be done.
 482         Only call merge_alias_info on pointers.
 483         (propagate_value): Likewise.
 484         * tree-ssa-copyrename.c: Include langhooks.h.
 485         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
 486         to do the merging.
 487         Do not coalesce variables with incompatible types.
 488         (rename_ssa_copies): Call replace_ssa_name_symbol.
 489         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
 490         the same type as the underlying _DECL.
 491         * tree-ssanames.c (replace_ssa_name_symbol): New function.
 492         * tree.h (replace_ssa_name_symbol): Declare.
 493
 494 2004-07-23  Richard Henderson  <rth@redhat.com>
 495
 496         PR c++/16277
 497         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
 498         unshare it properly.
 499         (gimplify_modify_expr_rhs): Push assignment from a conditional into
 500         the conditional for all non-register types.
 501
 502 2004-07-23  Richard Henderson  <rth@redhat.com>
 503
 504         * expr.c (expand_expr_real_1): Don't handle non-local variables.
 505         * expr.h (fix_lexical_addr): Remove.
 506         * function.c (NEED_SEPARATE_AP): Remove.
 507         (fix_lexical_addr): Remove.
 508         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
 509         not null decl_function_context.
 510         (create_alias_vars): Likewise.
 511         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
 512         (simple_goto_p): Likewise.
 513         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
 514         * tree-ssa-ccp.c (get_default_value): Likewise.
 515         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
 516         * tree.c (needs_to_live_in_memory): Likewise.
 517         * tree-flow-inline.h (may_be_aliased): Move...
 518         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
 519         when TREE_STATIC variables may be addressable.
 520
 521 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
 522
 523         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
 524
 525 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
 526
 527         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
 528         bitmap contents if GENERATOR_FILE is defined.
 529         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
 530         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
 531
 532 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
 533
 534         * c-decl.c (start_function): Form composite type of function types
 535         rather than copying type from previous prototype declaration.
 536
 537 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
 538
 539         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
 540         the const qualifier for the second argument in the C++ functions.
 541
 542         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
 543         specific pointer types.
 544
 545         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
 546         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
 547         for vector bool and/or vector pixel, add C++ and C missing support.
 548         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
 549         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
 550         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
 551         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
 552         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
 553         missing C++ and C support for vector bool and/or vector pixel.
 554         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
 555         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
 556         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
 557         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
 558         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
 559         C++ and C types used for vector bool and/or vector pixel.
 560         (vec_st, vec_stl): Add C++ support for vector pixel.
 561         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
 562         (vec_all_ne): Add C++ support for vector pixel.
 563
 564         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
 565         (vec_vmulesb): Add missing C++ function.
 566         (vec_perm): Fix type of third argument in C++ function.
 567         (vec_vsum4shs): Fix C++ function name.
 568         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
 569         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
 570         argument passed to the error handler in C macro.
 571         (vec_nmsub): Remove extra parens around argument names in C macro.
 572         (vec_packpx): Add missing parens in C macro.
 573
 574 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
 575
 576         * machmode.def: Remove vector modes.
 577         * config/alpha/alpha-modes.def: Add supported vector modes.
 578         * config/arm/arm-modes.def: Likewise.
 579         * config/frv/frv-modes.def: Likewise.
 580         * config/i386/i386-modes.def: Likewise.
 581         * config/rs6000/rs6000-modes.def: Likewise.
 582         * config/sh/sh-modes.def: Likewise.
 583
 584 2004-07-23  Matthias Klose  <doko@debian.org>
 585
 586         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
 587         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
 588         * config.h: Regenerate.
 589         * configure: Likewise.
 590
 591 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
 592
 593         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
 594         generated SYMBOL_REFs for labels.
 595         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
 596         Change prototype.
 597         (machopic_stub_name): Remove.
 598         (machopic_indirection_name): New function.
 599         (machopic_mcount_stub_name): Likewise.
 600         (machopic_classify_name): Remove.
 601         (machopic_function_base_sym): New function.
 602         (machpoic_classify_symbol): Likewise.
 603         (machopic_classify_ident): Remove.
 604         (machopic_define_ident): Likewise.
 605         (machopic_define_name): Likewise.
 606         (machopic_name_defined_p): Likewise.
 607         (machopic_ident_defined_p): Likewise.
 608         (darwin_strip_name_encoding): Likewise.
 609         (machopic_define_symbol): New function.
 610         * config/darwin.c (hashtab.h): Include.
 611         (machopic_defined_list): Remove.
 612         (machopic_classify_ident): Likewise.
 613         (machopic_classify_name): Likewise.
 614         (machopic_ident_defined_p): Likewise.
 615         (machopic_define_ident): Likewise.
 616         (machopic_define_name): Likewise.
 617         (machopic_symbol_defined_p): New function.
 618         (machopic_classify_symbol): Likewise.
 619         (machopic_data_defined_p): Use machopic_classify_symbol.
 620         (machopic_define_symbol): New function.
 621         (machopic_function_base_sym): New function.
 622         (machopic_non_lazy_pointers): Remove.
 623         (machopic_non_lazy_ptr_name): Likewise.
 624         (machopic_stubs): Likewise.
 625         (machopic_stub_name): Likewise.
 626         (NON_LAZY_POINTER_SUFFIX): New macro.
 627         (STUB_SUFFIX): Likewise.
 628         (machopic_indirection): New structure.
 629         (machopic_indirections): New variable.
 630         (machopic_indirection_hash): New function.
 631         (machopic_indirection_eq): Likewise.
 632         (machopic_indirection_name): Likewise.
 633         (machopic_mcount_stub_name): New function.
 634         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
 635         hash table.
 636         (machopic_indirect_data_reference): Rework to use new functions.
 637         (machopic_indirect_call_target): Likewise.
 638         (machopic_legitimize_pic_address): Likewise.
 639         (machopic_output_indirection): New function.
 640         (machopic_finish): Use it.
 641         (machopic_operand_p): Rework to use new functions.
 642         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
 643         (darwin_strip_name_encoding): Remove.
 644         (update_non_lazy_ptrs): Remove.
 645         (update_stubs): Likewise.
 646         (darwin_non_lazy_pcrel): Use new functions.
 647         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
 648         (ASM_OUTPUT_LABELREF): Likewise.
 649         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
 650         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
 651         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
 652         (TARGET_STRIP_NAME_ENCODING): Do not use
 653         darwin_strip_name_encoding.
 654         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
 655         darwin_strip_name_encoding.
 656         * config/i386/darwin.h (FUNCTION_PROFILER): Use
 657         machopic_mcount_stub_name.
 658         * config/i386/i386.c (x86_output_mi_thunk): Use
 659         machopic_indirection_name, not machopic_stub_name.
 660         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
 661         machopic_function_base_sym.
 662         (print_operand): Use machopic_classify_symbol.
 663         (rs6000_emit_prologue): Use machopic_function_base_sym.
 664         (output_profile_hook): Do not use machopic_stub_name.
 665         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
 666
 667 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 668
 669         PR c/7284
 670         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
 671         as multiplication.
 672
 673 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 674
 675         * doc/implement-c.texi: New file.
 676         * doc/extend.texi (C Implementation): Move to there.
 677         * doc/gcc.texi: Include implement-c.texi.
 678         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
 679
 680 2004-07-22  Jason Merrill  <jason@redhat.com>
 681
 682         * integrate.c (copy_decl_for_inlining): Remove invisible reference
 683         handling.
 684         * tree-inline.c (setup_one_parameter): Likewise.
 685
 686 2004-07-22  Brian Booth  <bbooth@redhat.com>
 687
 688         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
 689         (substitute_and_fold): Propigate into VUSE operands when possible.
 690         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
 691         (cp_lattice_meet): Handle merging of latticevalues when
 692         UNKNOWN_VAL is present.
 693         (visit_stmt): Visit assignments with V_MUST_DEFs.
 694         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
 695         (ccp_fold): Deal with RHS' that are constant and virtual.
 696         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
 697         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
 698         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
 699         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
 700         computing immediate uses.
 701         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
 702         transition.
 703         (replace_vuse_in): New function.
 704         (likely_value): Add check of vuse operands.
 705         (get_default_value): Set the default value of virtually defined
 706         variables to UKNOWN_VAL instead of VARYING.
 707
 708 2004-07-22  Richard Henderson  <rth@redhat.com>
 709
 710         * expr.c (emit_push_insn): Don't use set_mem_attributes.
 711
 712 2004-07-22  Richard Henderson  <rth@redhat.com>
 713
 714         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
 715         variables due to conditional compilation.
 716
 717 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
 718
 719         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
 720         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
 721         Release SSA names that have been re-renamed.
 722         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
 723         variable.
 724         * tree-ssa-alias.c (init_alias_info): If aliases have been
 725         computed before, clear existing alias information.
 726         (create_name_tags): Do no fixup PT_ANYTHING pointers.
 727         If the new name tag for a pointer is different than the one it
 728         had before, mark the old tag for renaming.
 729         (replace_may_alias): New function.
 730         (group_aliases): Call it.
 731         (setup_pointers_and_addressables): Always call get_tmt_for.
 732         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
 733         once.
 734         (set_pt_anything): New local function.
 735         (set_pt_malloc): New local function.
 736         (merge_pointed_to_info): Don't merge pointed-to variables from
 737         the original pointer if the destination is pointing to an
 738         unknown location.
 739         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
 740         (add_pointed_to_var): Do not add a variable to the points-to
 741         set if the pointer is already pointing to anywhere.
 742         (collect_points_to_info_r): If the defining statement is a PHI
 743         node, only merge pointed-to information if the argument has
 744         already been visited.
 745         (get_tmt_for): Only create a new tag if the pointer didn't
 746         have one already.
 747         (dump_alias_info): Emit more information.
 748         (dump_points_to_info_for): Likewise.
 749         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
 750         try to get the annotation of an SSA_NAME.
 751         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
 752         alias sets when checking is enabled.
 753         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
 754         (eliminate): Mark basic blocks that will need
 755         EH information cleaned up.
 756         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
 757         predecessor.
 758         Initialize need_eh_cleanup.
 759         (fini_pre): Call tree_purge_all_dead_eh_edges and
 760         cleanup_tree_cfg if needed.
 761         Free need_eh_cleanup.
 762         * tree-ssa.c (verify_ssa_name): New function.
 763         (verify_def): Call it.
 764         Re-arrange to avoid printing too many error messages.
 765         (verify_use): Likewise.
 766         (verify_phi_args): Likewise.
 767         (verify_flow_insensitive_alias_info): New function.
 768         (verify_flow_sensitive_alias_info): New function.
 769         (verify_alias_info): New function.
 770         (verify_ssa): Call verify_alias_info.
 771         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
 772         program.
 773         Re-arrange to avoid printing too many error messages.
 774         * tree-ssanames.c (make_ssa_name): Clear
 775         SSA_NAME_IN_FREE_LIST.
 776         (release_ssa_name): Never release a default definition.
 777         (release_defs): New function.
 778         * tree.h: Declare it.
 779         * tree-ssa-dce.c (remove_dead_stmt): Call it.
 780
 781 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
 782
 783         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
 784         If true, do a depth-first search.  Do a breadht-first search,
 785         otherwise.
 786         (walk_use_def_chains): Add new argument IS_DFS.
 787         Update all users.
 788         * tree-flow.h (walk_use_def_chains): Update prototype.
 789
 790 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
 791
 792         * config/cris/cris.md: Tweak formatting.
 793         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
 794         (mover2side, moverside, movemside, movei, op3, andu): Replace
 795         live define_peephole:s with define_peephole2 near-equivalents.
 796         Delete the rest.
 797         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
 798         word-size modes.
 799         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
 800         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
 801         "*mov_sidesi_mem" respectively.
 802
 803 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
 804
 805         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
 806         (gimplify_build1): Move from tree-complex.c do_unop.
 807         (gimplify_build2): Move from tree-complex.c do_binop.
 808         (gimplify_build3): New.
 809         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
 810         Adjust throughout to call the functions above.
 811         * tree-flow.h: Declare the functions above.
 812         * tree-nested.c (gimplify_val): Rename to...
 813         (tsi_gimplify_val): ... this.
 814
 815         * Makefile.in (tree_complex.o): Update dependencies.
 816         (stor-layout.o): Depend on regs.h.
 817         * c-common.c (handle_vector_size_attribute): Update for
 818         vector types without corresponding vector modes.
 819         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
 820         a corresponding vector mode is not available.
 821         * print-tree.c (print_node): Print nunits for vector types
 822         * regclass.c (have_regs_of_mode): New.
 823         (init_reg_sets_1): Initialize it and use it instead
 824         of allocatable_regs_of_mode.
 825         * regs.h (have_regs_of_mode): Declare it.
 826         * stor-layout.c (layout_type): Pick a mode for vector types.
 827         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
 828         build_replicated_const, do_unop, do_binop, do_plus_minus,
 829         do_negate, expand_vector_piecewise, expand_vector_parallel,
 830         expand_vector_addition, expand_vector_operations_1,
 831         expand_vector_operations, tree_lower_operations,
 832         pass_lower_vector_ssa, pass_pre_expand): New.
 833         (expand_complex_operations, pass_lower_complex): Remove.
 834         * tree-optimize.c (init_tree_optimization_passes): Adjust
 835         pass ordering for changes in tree-complex.c.
 836         * tree-pass.h: Declare new passes.
 837         * tree.c (finish_vector_type): Remove.
 838         (make_vector_type): New.
 839         (build_vector_type_for_mode, build_vector_type): Rewritten.
 840         * tree.def (VECTOR_TYPE): Document where the number of
 841         subparts is stored.
 842         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
 843         (make_vector): Remove declaration.
 844
 845 2004-07-21  Richard Henderson  <rth@redhat.com>
 846
 847         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
 848         TREE_THIS_VOLATILE, may_aliases, or optimization level.
 849         (remove_useless_vars): Dump debugging info.
 850         (expand_used_vars): Move ...
 851         * cfgexpand.c (expand_used_vars): ... here.  Make static.
 852         * tree-flow-inline.h (set_is_used): New.
 853         (set_default_def): Use get_var_ann.
 854         * tree-flow.h: Update decls.
 855         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
 856         (create_ssa_var_map): Use it.
 857         * tree-ssa.c (set_is_used): Remove.
 858
 859 2004-07-22  Ben Elliston  <bje@au.ibm.com>
 860
 861         * gdbinit.in: Set a breakpoint on internal_error.
 862
 863 2004-07-21  Richard Henderson  <rth@redhat.com>
 864
 865         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
 866         to create a new basic block.
 867
 868 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 869
 870         PR c/15052
 871         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
 872         return type on function definitions.  Move other warnings for
 873         qualified return type to -Wreturn-type.  Do not condition any such
 874         warnings on -pedantic.  Update comments.
 875         (start_function): Only copy function type from previous prototype
 876         declaration if return types are compatible.
 877         * c-typeck.c (function_types_compatible_p): Don't condition
 878         warning for incompatibility of volatile qualifiers on the return
 879         type on -pedantic.  Update comment.
 880         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
 881
 882 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 883
 884         * c-typeck.c (set_init_index): Require designator to be of integer
 885         type.
 886
 887 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 888
 889         PR c/11250
 890         * c-parse.in (init): Change to exprtype.
 891         (primary): Set original_code for STRING to STRING_CST.
 892         Call maybe_warn_string_init for compound literals.
 893         (initdcl, notype_initdcl): Call maybe_warn_string_init.
 894         (initval): Update.
 895         * c-tree.h (maybe_warn_string_init): New.
 896         (pop_init_level, process_init_element): Use struct c_expr.
 897         (struct c_expr): Update comment.
 898         * c-typeck.c (maybe_warn_string_init): New function.
 899         (digest_init): Call it.  Additional parameter strict_string.  All
 900         callers changed.
 901         (output_init_element): Likewise.
 902         (struct constructor_stack): Use struct c_expr for
 903         replacement_value.
 904         (really_start_incremental_init, push_init_level): Update.
 905         (pop_init_level): Update.  Return struct c_expr.
 906         (process_init_level): Update.  Take struct c_expr argument.
 907
 908 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
 909
 910         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
 911         commit.
 912
 913 2004-07-21  Eric Christopher  <echristo@redhat.com>
 914
 915         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
 916         removal.
 917         * c-decl.c (pop_scope): Ditto.
 918         * calls.c (expand_call): Remove call to current_nesting_level,
 919         update comment accordingly. Remove calls to expand_start_target_temps
 920         and expand_end_target_temps.
 921         * cfgexpand.c (construct_init_block): Remove call to
 922         expand_start_bindings_and_block.
 923         (construct_exit_block): Remove call to expand_end_bindings.
 924         * expr.c (safe_from_p): Remove BIND_EXPR handling.
 925         (expand_expr_real_1): Ditto. Fix formatting.
 926         (expand_vars): Delete.
 927         * stmt.c (POPSTACK): Remove block_stack.
 928         (stmt_status): Remove x_block_stack.
 929         (block_stack): Delete.
 930         (expand_start_bindings_and_block): Ditto.
 931         (expand_start_target_temps): Ditto.
 932         (expand_end_target_temps): Ditto.
 933         (current_nesting_level): Ditto.
 934         (warn_about_unused_variables): Ditto.
 935         (expand_end_bindings): Ditto.
 936         * tree.h: Remove declarations for above.
 937
 938 2004-07-21  Steven Bosscher  <stevenb@suse.de>
 939
 940         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
 941         * rtl.c (note_insn_name): Likewise.
 942         * print-rtl.c (print_rtx): Don't print it.
 943         * cfgrtl.h (can_delete_note_p): Don't handle it.
 944         (rtl_delete_block): Likewise.
 945         * passes.c (rest_of_handle_guess_branch_prob): Remove.
 946         (rest_of_compilation): Don't call it.
 947         * predict.c (process_note_predictions, process_note_prediction,
 948         note_prediction_to_br_prob): Remove.
 949         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
 950         * stmt.c (return_prediction): Remove.
 951         (expand_value_return): Don't call it.  Don't add prediction
 952         notes for return statements.
 953
 954 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
 955
 956         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
 957         once.
 958
 959 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
 960
 961         * c-common.c (vector_types_convertible_p): Use vector types'
 962         TYPE_SIZE and TREE_TYPE instead of their mode.
 963         * convert.c (convert_to_integer): Likewise.
 964         (convert_to_vector): Likewise.
 965         * fold-const.c (fold_convert): Likewise.
 966         * varasm.c (output_constant): Likewise.
 967         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
 968         Allow a VECTOR_TYPE initializer to be made of several vectors.
 969         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
 970         of cleared and need_to_clear, and use fold_convert.
 971         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
 972         integer vectors.
 973
 974 2004-07-20  Richard Henderson  <rth@redhat.com>
 975
 976         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
 977         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
 978
 979 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
 980
 981         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
 982         enormous cost if not TARGET_HARD_MUL.
 983
 984 2004-07-20  Andrew Pinski  <apinski@apple.com>
 985
 986         PR target/16557
 987         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
 988         (ASM_SPEC): here.
 989
 990 2004-07-21  Paul brook  <paul@codesourcery.com>
 991
 992         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
 993
 994 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 995
 996         * fold-const.c (operand_equal_p): Temporarily support NULL args.
 997         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
 998         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
 999
1000 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
1001
1002         * rtl.h (plus_constant): Delete.
1003         (plus_constant_wide): Rename to plus_constant.
1004         (plus_constant_for_output_wide): Delete vestigial prototype.
1005         (GEN_INT): Remove unnecessary cast.
1006         * tree.h (build_int_2, size_int_type): Delete.
1007         (build_int_2_wide): Rename to build_int_2.
1008         (size_int_wide): Rename to size_int_kind.
1009         (size_int_type_wide): Rename to size_int_type.
1010         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
1011         Remove unnecessary cast.
1012         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
1013         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
1014         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
1015         (size_int_type_wide): Rename size_int_type.
1016         (int_const_binop): Use size_int_type.
1017         * c-lex.c (interpret_integer): Use build_int_2.
1018         * final.c (split_double): Remove unnecessary casts.
1019         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
1020
1021 2004-07-20  Richard Henderson  <rth@redhat.com>
1022
1023         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
1024         (gimplify_compound_lval): Use is_gimple_tmp_reg.
1025         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
1026         (is_gimple_tmp_reg): New.
1027         * tree-gimple.h (is_gimple_tmp_reg): Declare.
1028
1029 2004-07-20  Richard Henderson  <rth@redhat.com>
1030
1031         * tree-pretty-print.c (dump_generic_node): Dump
1032         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
1033
1034 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
1035
1036         * tree-mudflap.c (mf_set_options_fndecl): New tree.
1037         (mudflap_init): Set it.
1038         (mudflap_register_call): Remove __mf_init call.
1039         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
1040         to pass "-ignore-reads" option to libmudflap if needed.
1041
1042 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
1043
1044         PR c++/14607
1045         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
1046         (MAKE_DECL_ONE_ONLY): Undefine.
1047         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
1048         readonly_data, one_only_data_section, forget_section): New prototypes.
1049         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
1050         functions.
1051         (pa_select_section): Add one-only (COMDAT) support.
1052         * pa.h (struct machine_function): Define.
1053         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
1054         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
1055         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1056         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1057         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
1058         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
1059         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
1060         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1061         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
1062         for EXTRA_SECTION_FUNCTIONS.
1063         * doc/install.texi: Update binutils requirements.
1064
1065 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1066
1067         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
1068         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
1069         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
1070         size_t.
1071         (struct VEC): Use unsigned for num and alloc.
1072         * vec.c (struct vec_prefix): Likewise.
1073         (vec_o_reserve): Adjust.
1074
1075         * dbxout.c (dbxout_type): Fix printf format.
1076
1077         * tree.h (binfo_member): Remove.
1078         * tree.c (binfo_member): Remove.
1079
1080 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1081
1082         * tree.h: Include vec.h
1083         (DEF_VEC_P(tree)): New type.
1084         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
1085         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
1086         (BINFO_LANG_SLOT): Remove.
1087         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
1088         (struct tree_binfo): Turn base_binfos into a trailing
1089         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
1090         (binfo_lang_slots): Remove.
1091         * tree.c (binfo_lang_slots): Remove.
1092         (make_tree_binfo_stat): Take a base binfo count, not a
1093         lang slot count.  Adjust.
1094         * Makefile.in (TREE_H): Add vec.h
1095         * alias.c (record_component_aliases): Adjust BINFO access.
1096         * dbxout.c (dbxout_type): Likewise.
1097         * dwarf2out.c (gen_member_die): Likewise.
1098         * sdbout.c (sdbout_one_type): Likewise.
1099         * tree-dump.c (deque_and_dump): Likewise.
1100         * config/i386/i386.c (classify_argument,
1101         contains_128bit_aligned_vector_p): Likewise.
1102         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
1103         * doc/c-tree.texi (Classes): Update BINFO documentation.
1104
1105 2004-07-20  Steven Bosscher  <stevenb@suse.de>
1106
1107         * c-common.h (check_case_value): Remove prototype.
1108         (c_add_case_label): Adjust prototype.
1109         * c-common.c (check_case_value): Make static.
1110         (check_case_bounds): New function.
1111         (c_add_case_label): Use it.  Take new argument orig_type.
1112         * c-typeck.c (struct c_switch): New orig_type field.
1113         (c_start_case): Set it.
1114         (do_case): Pass it to c_add_case_label.
1115         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
1116         cases from here.  Add the labels in reverse order.
1117         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
1118         (add_case_node): Return nothing, don't check for duplicate cases.
1119         Insert new case nodes in a list, not in an AVL tree.
1120         (expand_end_case_type): Don't turn a case tree into a case list.
1121         (case_tree2list): Remove.
1122         * tree.h (add_case_node): Adjust prototype.
1123
1124 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
1125
1126         * genattr.c (struct range, struct function_unit,
1127         write_units, extend_range, init_range): Remove them.
1128         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1129         Output "#define INSN_SCHEDULING" here.
1130         * genattrtab.c (struct range, struct function_unit_op,
1131         struct function_unit, struct dimension, enum operator,
1132         operate_exp, expand_units, simplify_knowing,
1133         encode_units_mask, simplify_by_exploding,
1134         find_and_mark_used_attributes, unmark_used_attributes,
1135         add_values_to_cover, increment_current_value,
1136         test_for_current_value, simplify_with_current_value,
1137         simplify_with_current_value_aux, gen_unit,
1138         write_unit_name, write_function_unit_info,
1139         write_complex_function, write_toplevel_expr,
1140         find_single_value, extend_range): Remove.
1141         (write_attr_get): Do not handle common_av->value
1142         being an FFS.
1143         (struct attr_desc): Remove func_units_p and blockage_p.
1144         (write_attr_valueq): Do not handle them.
1145         (find_attr): Do not clear them.
1146         (make_internal_attr): Do not initialize them.
1147         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1148         * sched-vis.c (init_target_units, insn_print_units,
1149         init_block_visualization, print_block_visualization,
1150         visualize_scheduled_insns, visualize_no_unit,
1151         visualize_stall_cycles, visualize_alloc,
1152         visualize_free, target_units, get_visual_tbl_length,
1153         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
1154         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
1155         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
1156         * haifa-sched.c (blockage_range, clear_units,
1157         schedule_unit, actual_hazard, potential_hazard,
1158         insn_unit, unit_last_insn, unit_tick,
1159         actual_hazard_this_instance, potential_hazard,
1160         schedule_unit, max_insn_queue_index_value): Remove.
1161         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
1162         max_insn_queue_index.
1163         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
1164         * doc/md.texi (Processor pipeline description): Remove
1165         references to old pipeline descriptions.
1166         (Automaton pipeline description): Merge with the above.
1167         (Old pipeline description, Comparison of the two descriptions):
1168         Remove.
1169
1170         * bt-load.c (migrate_btr_def): Remove references to
1171         use_pipeline_interface.
1172         * haifa-sched.c (insn_cost, schedule_insn,
1173         schedule_block, advance_one_cycle, sched_init,
1174         queue_to_ready, sched_finish): Likewise.
1175         * modulo-sched.c (sms_schedule, advance_one_cycle,
1176         ps_has_conflicts): Likewise.
1177         * sched-rgn.c (init_ready): Likewise.
1178         (debug_dependencies): Likewise, and remove an "if (1)".
1179         * target.h (use_dfa_pipeline_interface): Remove.
1180         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1181         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1182         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1183         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1184         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1185         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1186         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1187         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1188         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1189         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1190         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1191         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1192         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1193         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1194         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1195         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1196         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1197         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1198         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1199
1200 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1201
1202         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
1203
1204 2004-07-19  Jeff Law  <law@redhat.com>
1205
1206         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
1207         (get_eq_expr_value): Use it.  Simplify slightly.
1208
1209 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
1210
1211         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
1212         (umulsidi3_32bit_r4000): Likewise.
1213
1214 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
1215
1216         * vec.h: Propagate location information properly.
1217         (VEC_T_iterate): Add result pointer parameter.
1218         (VEC_T_space): New.
1219         (VEC_T_reserve): Use it.
1220
1221 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
1222
1223         * Makefile.in (c-format.o): Depend on c-format.h.
1224         * c-format.h: New file.
1225         (struct format_char_info): Add CHAIN member.
1226         * c-format.c: Move some types and constants to c-format.h.
1227         (format_type_error): Set to -1.
1228         (struct function_format_info): Use an int for format_type.
1229         (decode_format_type): Return an int.  Return format_type_error
1230         on error.
1231         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
1232         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
1233         (scan_char_table, time_char_table, monetary_char_table): Initialize
1234         CHAIN to NULL.
1235         (n_format_types): New variable.
1236         (check_format_info_main): Handle CHAIN in format_char_info.
1237         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
1238         TARGET_N_FORMAT_TYPES.
1239         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1240         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
1241         * config/sol2-c.c: New file.
1242         * config/t-sol2: New file.
1243         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
1244         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
1245         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
1246
1247         * doc/extend.texi (Target Format Checks): New section.
1248         (Function Attributes): Mention it.
1249         * doc/invoke.texi: Mention target format checks.
1250         * doc/sourcebuild.texi: Mention target format checks.
1251         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
1252         TARGET_FORMAT_TYPES.
1253
1254 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1255
1256         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
1257         added.
1258         * config/s390/s390.c (regclass_map initializer): Register 35 added to
1259         ADDR_REGS.
1260         (load_multiple_operation, store_multiple_operation): Removed
1261         pointless sanity check.
1262         (s390_decompose_address): Added check for return_address_pointer_rtx.
1263         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
1264         (s390_return_address_offset): New function.
1265         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
1266         (FRAME_REGNO_P): Added check for register 35.
1267         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
1268         REG_ALLOC_ORDER): Appended entry for register 35.
1269         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
1270         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
1271         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
1272         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
1273         is eliminable using stack pointer or hard frame pointer.
1274         (REGISTER_NAMES): Added name for register 35.
1275         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
1276         pointless sanity check.
1277
1278 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1279
1280         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
1281         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
1282         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
1283         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
1284         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
1285         (fold_relational_const): Tidy up handling of floating point
1286         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
1287         transformation; fold_relational_const assumes constant operands.
1288
1289 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
1290
1291         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
1292         directory.
1293
1294 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
1295
1296         * c-tree.h (struct c_expr): Define.
1297         (C_SET_EXP_ORIGINAL_CODE): Remove.
1298         (parser_build_binary_op, build_compound_expr): Update prototypes.
1299         * c-parse.in (%union): Add exprtype.
1300         (FUNC_NAME): Mark as ttype.
1301         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
1302         exprtype.
1303         (expr): Update.  Define directly in terms of expr_no_commas
1304         instead of using nonnull_exprlist.
1305         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
1306         offsetof_member_designator, typespec_nonreserved_nonattr, init,
1307         initval, designator, component_declarator,
1308         component_notype_declarator, enumerator, array_declarator,
1309         condition, exexpr, switch_statement, stmt_nocomp, stmt,
1310         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
1311         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
1312         where appropriate.
1313         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
1314         * c-common.c (c_common_truthvalue_conversion): Don't check
1315         C_EXP_ORIGINAL_CODE.
1316         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
1317         Don't use C_EXP_ORIGINAL_CODE.
1318         (default_conversion, default_function_array_conversion): Don't use
1319         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
1320         (internal_build_compound_expr): Merge into build_compound_expr.
1321         (build_compound_expr): Take two operands instead of a TREE_LIST.
1322         * objc/objc-act.c (get_super_receiver): Update calls to
1323         build_compound_expr.
1324
1325 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1326
1327         * config/sh/sh.c (sh_use_dfa_interface): Remove.
1328         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
1329         hook_int_void_1.
1330         * config/sh/sh.md: Extract pipeline descriptions
1331         into separate files.
1332         * config/sh/sh1.md: New file, extracted from sh.md.
1333         * config/sh/sh4.md: New file, extracted from sh.md.
1334         * config/sh/shmedia.md: New file, extracted from sh.md
1335         and rewritten using new-style pipeline description.
1336
1337 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
1338
1339         * config/pa/pa.md: Delete the two remaining define_peephole
1340         patterns.
1341
1342 2004-07-18  Steven Bosscher  <stevenb@suse.de>
1343             Joseph S. Myers  <jsm@polyomino.org.uk>
1344
1345         * c-common.c (c_common_truthvalue_conversion): Don't warn if
1346         TREE_NO_WARNING is set.
1347
1348 2004-07-18  Roger Sayle  <roger@eyesopen.com>
1349
1350         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
1351         simplify_builtin_strncmp): Delete.
1352         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
1353         Change argument to accept an arglist instead of an "exp".  Assume
1354         that the return type is always integer_type_node.  Copy missing
1355         transformations from their now obsolete simplify_builtin_*
1356         equivalents.
1357         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
1358         fold_builtin_strcmp and fold_builtin_strncmp.
1359         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
1360         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
1361         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
1362
1363 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
1364
1365         * Makefile.in (tree-alias-common.o): Update dependencies.
1366
1367 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
1368
1369         * cfgloop.c (flow_loop_nested_p): Fix comment.
1370
1371 2004-07-17  Jason Merrill  <jason@redhat.com>
1372
1373         PR c++/16115
1374         * stor-layout.c (relayout_decl): New fn.
1375         * tree.h: Declare it.
1376         (DECL_BY_REFERENCE): New macro.
1377
1378 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
1379
1380         * libgcc2.c (__enable_execute_stack): New symbol.
1381         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
1382         and declare __enable_execute_stack.
1383         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
1384         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
1385         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1386         ENABLE_EXECUTE_STACK.
1387         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
1388         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1389         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1390         ENABLE_EXECUTE_STACK.
1391         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1392         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
1393         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1394         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1395         ENABLE_EXECUTE_STACK.
1396         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1397         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1398         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1399         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1400         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
1401         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1402         (sparc64_initialize_trampoline): Likewise.
1403         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
1404
1405 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1406
1407         * langhooks.h (builtin_function): New langhook.
1408         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
1409         (LANG_HOOKS_INITIALIZER): Update.
1410         * tree.h (builtin_function): Remove.
1411         * doc/tm.texi: Update.
1412         * c-tree.h (builtin_function): Declare.
1413         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
1414         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
1415         config/ia64/ia64.c, config/iq2000/iq2000.c,
1416         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
1417         config/stormy16/stormy16.c: All callers of builtin_function
1418         changed.
1419
1420 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
1421
1422         PR target/16556
1423         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
1424         Remove white space after the backslash.
1425
1426 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1427
1428         PR rtl-optimization/16294
1429         * resource.c (return_insn_p): New predicate.
1430         (mark_target_live_regs): Use it.  Special-case return insns.
1431         (init_resource_info): Use it.  Don't scan the epilogue past
1432         a return.
1433
1434 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1435
1436         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
1437         destroy dominance information.
1438         * passes.c (rest_of_handle_loop2):  Free dominance information.
1439         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
1440         jump threading.
1441         (thread_jumps): Update dominance information and remove unreachable
1442         blocks.
1443         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
1444         information and remove the unreachable block.
1445
1446 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
1447
1448         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
1449
1450 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
1451
1452         * doc/sourcebuild.texi: Remove libf2c entry.
1453
1454 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
1455
1456         * config/i386/i386.md (movv16qi_internal): Fix typo.
1457
1458 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1459
1460         * final.c (final_scan_insn): Fix broken commit from previous
1461         patch.
1462
1463 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1464
1465         * c-typeck.c (parser_build_binary_op): Condition warnings for
1466         X<=Y<=Z on -Wparentheses instead of -Wextra.
1467         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
1468         supported for C only.
1469
1470 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1471
1472         * cfgcleanup.c (try_simplify_condjump): Don't remove line
1473         notes to avoid unreachable code warnings.
1474         * toplev.c (backend_init): Don't emit line notes for
1475         unreachable code warnings.
1476
1477         * combine.c (distribute_notes): Don't distribute a
1478         REG_VTABLE_REF note.
1479         * final.c (final_scan_insn): Don't handle it.
1480         * rtl.c (reg_note_name): Remove it.
1481         * rtl.h (enum reg_node): Dito.
1482
1483         * emit-rtl.c (force_line_numbers, restore_line_number_status):
1484         Remove.
1485         * rtl.h (force_line_numbers, restore_line_number_status):
1486         Remove prototypes.
1487
1488         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
1489         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
1490         (using_eh_for_cleanups): Also moved here.
1491
1492         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
1493         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
1494         to expand_start_case and add_case_node.
1495         * stmt.c (struct nesting): Cleanup unused fields condition_code,
1496         last_unconditional_cleanup, nominal_type, printname, and
1497         line_number_status.
1498         (struct fixup_goto): Remove.
1499         (struct stmt_status): Remove x_goto_fixup_chain field.
1500         (goto_fixup_chain): Remove.
1501         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
1502         pushcase, pushcase_range): Remove.
1503         (expand_start_bindings_and_block): Don't set unused fields in
1504         the nesting stack.
1505         (expand_start_case, add_case_node): Cleanup unused formal arguments.
1506         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
1507         instead of emit_jump_if_reachable.
1508         (emit_case_nodes): Likewise.
1509         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
1510         static.
1511         (update_eh_label): Work around left-over exception handing regions.
1512         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
1513         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
1514         (pass_cleanup_cfg_post_optimizing): New pass.
1515         (init_tree_optimization_passes): Run the new pass after all
1516         optimizations.
1517         * tree.h (pushcase, pushcase_range): Remove prototypes.
1518         (expand_start_case, add_case_node): Update prototypes.
1519
1520 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
1521
1522         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
1523
1524 2004-07-16  Richard Henderson  <rth@redhat.com>
1525
1526         * builtins.c (std_expand_builtin_va_arg): Remove.
1527         (expand_builtin_va_arg): Remove.
1528         * expr.h: Don't declare them.
1529         * gimplify.c (mark_decls_volatile_r): Remove.
1530         (copy_if_shared_r): Don't call it.
1531         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
1532         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
1533         * gimple-low.c (lower_stmt): Likewise.
1534         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
1535         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
1536         * tree-ssa-operands.c (get_expr_operands): Likewise.
1537         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
1538         EXPAND_BUILTIN_VA_ARG.
1539         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
1540         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
1541         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
1542         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1543
1544 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1545
1546         * tree-ssa-pre.c (insert_aux): Break out if we hit
1547         a critical edge.
1548
1549 2004-07-16  Richard Henderson  <rth@redhat.com>
1550
1551         * basic-block.h (remove_fake_exit_edges): Declare.
1552         * cfganal.c (remove_fake_predecessors): Rename from
1553         remove_fake_successors; iterate over predecessors.
1554         (remove_fake_exit_edges): New.
1555         * cfgcleanup.c (try_optimize_cfg): Use it.
1556         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
1557         * predict.c (estimate_probability): Likewise.
1558         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
1559         * tree-cfg.c (make_edges): Likewise.
1560         * tree-ssa-pre.c (fini_pre): Likewise.
1561         * profile.c (instrument_edges): Don't remove_fake_edges.
1562         (branch_prob): Do it earlier here.
1563
1564 2004-07-16  Richard Henderson  <rth@redhat.com>
1565
1566         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
1567         switchification wrt CONSTRUCTOR.  Document the reason.
1568
1569 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
1570
1571         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
1572         that prevented descriptive __mf_check source location strings.
1573
1574 2004-07-16  Richard Henderson  <rth@redhat.com>
1575
1576         * tree-def (WITH_SIZE_EXPR): New.
1577         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
1578         * expr.c (expand_expr_real_1): Likewise.
1579         * gimplify.c (maybe_with_size_expr): New.
1580         (gimplify_arg, gimplify_modify_expr): Use it.
1581         (gimplify_modify_expr_to_memcpy): Take size parameter.
1582         (gimplify_modify_expr_to_memset): Likewise.
1583         (gimplify_expr): Handle WITH_SIZE_EXPR.
1584         * tree-alias-common.c (find_func_aliases): Likewise.
1585         * tree-eh.c (tree_could_trap_p): Likewise.
1586         (tree_could_throw_p): Likewise.
1587         * tree-gimple.c (is_gimple_lvalue): Likewise.
1588         (get_call_expr_in): Likewise.
1589         * tree-inline.c (estimate_num_insns_1): Likewise.
1590         (expand_calls_inline): Likewise.
1591         * tree-nested.c (convert_call_expr): Likewise.
1592         * tree-pretty-print.c (dump_generic_node): Likewise.
1593         * tree-sra.c (sra_walk_expr): Likewise.
1594         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1595         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
1596         * tree-ssa-operands.c (get_expr_operands): Likewise.
1597         * tree-tailcall.c (find_tail_calls): Likewise.
1598
1599         * calls.c (expand_call): Reset old_stack_allocated after
1600         calling emit_stack_restore.
1601
1602 2004-07-16  Richard Henderson  <rth@redhat.com>
1603
1604         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
1605         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1606         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1607         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1608         copy_res_decl_for_inlining.
1609
1610         * tree-inline.c (declare_return_variable): New modify_dest argument.
1611         Use it as the return value, when possible or manditory.  Handle
1612         TREE_ADDRESSABLE types.
1613         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
1614         replacement of CALL_EXPR.
1615
1616 2004-07-16  Richard Henderson  <rth@redhat.com>
1617
1618         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
1619         * gimple-low.c (expand_var_p): Don't check it.
1620         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
1621         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
1622         * tree-ssa-operands.c (add_stmt_operand): Likewise.
1623         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
1624         (find_referenced_vars): Don't call them.
1625         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
1626
1627 2004-07-16  Richard Henderson  <rth@redhat.com>
1628
1629         * function.c (pass_by_reference): True for all variable sized types.
1630
1631 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
1632
1633         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
1634         * tree-pretty-print.c: Include tree-chrec.h.
1635         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
1636         and POLYNOMIAL_CHREC nodes.
1637
1638 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
1639
1640         * builtins.c (expand_builtin_stpcpy): Do not create temporary
1641         reg with VOIDmode.
1642
1643 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1644
1645         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
1646
1647 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1648
1649         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
1650         to BASE_REGNUM.
1651         * config/s390/s390.c: Likewise.
1652         * config/s390/s390.h: Likewise.
1653
1654 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1655
1656         * config/mips/mips.md (addsi3, adddi3): Remove special handling
1657         of $sp adds.  Remove REGNO checks from mips16 patterns.
1658
1659 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1660
1661         * config/mips/mips.md: Delete outdated comment.
1662
1663 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1664
1665         * config/mips/mips.c (get_float_compare_codes): Delete.
1666         (mips_emit_compare): New function, mostly extracted from
1667         get_float_compare_codes and gen_conditional_branch.
1668         (gen_conditional_branch, gen_conditional_move): Use it.
1669
1670 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1671
1672         * genautomata.c (add_vect): Speedup by using integers as
1673         bit-vectors for walking through the comb_vect and finding
1674         a match.
1675
1676 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1677
1678         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
1679         operand is an uns_arith_operand; use subtraction otherwise.
1680         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
1681         not just arith_operands.
1682
1683 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1684
1685         * config/mips/mips-protos.h (gen_int_relational): Delete.
1686         (mips_emit_scc): Declare.
1687         * config/mips/mips.c (internal_test): Delete.
1688         (sle_operand, sleu_operand): New functions.
1689         (map_test_to_internal_test, gen_int_relational): Delete.
1690         (mips_emit_binary, mips_relational_operand_ok_p)
1691         (mips_emit_int_relational, mips_zero_if_equal)
1692         (mips_emit_scc): New functions.
1693         (gen_conditional_branch): Rework to use mips_emit_int_relational.
1694         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
1695         sleu_operand.
1696         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1697         (sltu, sleu): Use mips_emit_scc.
1698         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
1699         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
1700         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
1701
1702 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1703
1704         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
1705
1706 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1707
1708         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
1709         (*sne_[sd]i): Likewise sne_[sd]i_zero.
1710         (*sgt_[sd]i): ...and sgt_[sd]i.
1711         (*slt_[sd]i): ...and slt_[sd]i.
1712         (*sgtu_[sd]i): ...and sgtu_[sd]i.
1713         (*sltu_[sd]i): ...and sltu_[sd]i.
1714         (*sleu_[sd]i): ...and sleu_[sd]i_const.
1715         Name previously unnamed mips16 patterns.  Formatting fixes.
1716
1717 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1718
1719         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
1720         (branch_type): Delete.
1721         (gen_conditional_branch, gen_conditional_move)
1722         (mips_gen_conditional_trap): Update after name change.  Get the
1723         comparison mode from cmp_operands[0].
1724         * config/mips/mips.h (cmp_type, branch_type): Delete.
1725         (cmp_operands): Renamed from branch_cmp.
1726         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
1727         name change.  Don't set branch_type.
1728         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
1729         mode class of cmp_operands[0] rather than branch_type.  Update after
1730         name change.
1731
1732 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1733
1734         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
1735         of 0...255 to 0 when inside a SET.
1736
1737 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1738
1739         * config/mips/mips.md: Remove mips16 define_peepholes.
1740
1741 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1742
1743         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
1744         (fini_pre): Remove fake edges.
1745
1746 2004-07-15  Richard Henderson  <rth@redhat.com>
1747
1748         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
1749         (get_indirect_ref_operands, get_call_expr_operands): ... these.
1750
1751 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1752
1753         * vec.h (VEC_address): New function.
1754
1755 2004-07-14  Jason Merrill  <jason@redhat.com>
1756
1757         PR middle-end/15885
1758         * gimplify.c (gimplify_arg): New fn, split out from...
1759         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
1760
1761 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1762
1763         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
1764         generate code which is generated by pushqi1 now
1765         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
1766
1767 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1768
1769         * combine.c (simplify_set): match the mode of the constant 0 with
1770         the tested operand to match the compare behaviour and the
1771         simplify_relational_operation() expectation.
1772
1773 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1774
1775         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
1776         ("bordered"): Same.
1777
1778 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1779
1780         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
1781         unconditionally.
1782         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
1783
1784 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1785
1786         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
1787         calls in mips16 code.
1788
1789 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1790
1791         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
1792         the destination of the li as well as for the neg.
1793
1794 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
1795
1796         g++/15861
1797         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
1798         * cgraph.h: Update declaration.
1799         * c-decl.c (build_cdtor): Update call with default priority.
1800         * coverage.c (create_coverage): Ditto.
1801         * tree-mudflap.c (mf_init_fndecl): New tree.
1802         (mudflap_init): Set it.
1803         (mudflap_register_call): Arrange to call __mf_init before the first
1804         __mf_register call.
1805         (mudflap_finish_file): Mark the mudflap static initializer as extra
1806         high priority, to beat all C++ static constructors.
1807
1808 2004-07-15  Jeff Law  <law@redhat.com>
1809
1810         * loop.c (check_insn_for_givs): Restore check for code labels that was
1811         accidentally deleted by a recent checkin.
1812
1813 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1814
1815         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
1816         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
1817
1818 2004-07-14  Richard Henderson  <rth@redhat.com>
1819
1820         * print-tree.c (print_node): Fix casts last change.
1821
1822 2004-07-15  Paul Brook  <paul@codesourcery.com>
1823
1824         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
1825         to TARGET_UNWIND_INFO.
1826         * except.c (output_function_exception_table): Ditto.
1827         * except.h: Ditto.
1828         * opts.c (decode_options): Ditto.
1829         * passes.c (rest_of_handle_final): Ditto.
1830         * final.c (final_start_function): Ditto.
1831         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
1832         target hook.
1833         * targhooks.h (default_unwind_emit): Declare.
1834         * targhooks.c (default_unwind_emit): New function.
1835         * target-def.h: Define and use TARGET_UNWIND_EMIT.
1836         * target.h (struct gcc_target): Add unwind_emit.
1837         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
1838         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
1839         Remove IA64_UNWIND_EMIT.
1840         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
1841
1842 2004-07-14  Richard Henderson  <rth@redhat.com>
1843
1844         * print-tree.c (print_node): Handle SSA_NAME.
1845
1846 2004-07-14  James E Wilson  <wilson@specifixinc.com>
1847
1848         PR target/16325
1849         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
1850         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
1851
1852 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
1853
1854         * expr.c (expand_assignment): Reenable bitfield += optimizations.
1855         Use alias set 0 for memory, do proper mode calculations and adjust
1856         address for memories.
1857
1858 2004-07-14  Per Bothner  <per@bothner.com>
1859
1860         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
1861         structure with extra column field.
1862         * tree.c (expand_location):  Also fill in column field.
1863         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
1864         gets confused by the two conditionally-compiled definitions.
1865
1866 2004-07-14  Eric Christopher  <echristo@redhat.com>
1867
1868         * calls.c (expand_call): Fix typo in comment.
1869
1870 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
1871
1872         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
1873         comparision of TFmode.
1874
1875 2004-07-14  Richard Henderson  <rth@redhat.com>
1876
1877         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
1878         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
1879         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
1880         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1881         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1882         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1883         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1884         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1885         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1886
1887 2004-07-14  Mike Stump  <mrs@apple.com>
1888
1889         * config/darwin.h (WINT_TYPE): Define to be int to match
1890         system header files.
1891
1892 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
1893
1894         * config/xtensa/xtensa.c (function_arg_advance): Check for args
1895         that must be passed in the stack.
1896         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
1897         arguments if the size is not a constant.
1898
1899 2004-07-14  Per Bothner  <per@bothner.com>
1900
1901         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
1902         instead of EXPR_LOCUS in a boolean context, which is always true
1903         if --enable-mapped-location.
1904         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
1905
1906 2004-07-14  Richard Henderson  <rth@redhat.com>
1907
1908         * dominance.c (struct dom_info): Add fake_exit_edge.
1909         (init_dom_info): Allocate it.
1910         (free_dom_info): Free it.
1911         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
1912         in two passes.
1913         (calc_idoms): Honor fake_exit_edge.
1914
1915 2004-07-13  Jason Merrill  <jason@redhat.com>
1916
1917         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
1918         (rhs_test_for): New fn.
1919         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
1920         * tree-gimple.h: Declare them.
1921         * gimplify.c (gimplify_modify_expr): Use the new fns.
1922
1923 2004-07-14  Richard Henderson  <rth@redhat.com>
1924
1925         * config/arm/arm-protos.h (arm_va_arg): Remove.
1926         * config/arm/arm.c (arm_va_arg): Remove.
1927         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
1928         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
1929
1930 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1931
1932         * pa.c (fix_range): New function to mark a range(s) of registers as
1933         fixed registers.
1934         (override_options): Call fix_range if the -mfixed-range option string
1935         is not empty.
1936         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
1937         * doc/invoke.texi (-mfixed-range): Document new option.
1938
1939 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
1940
1941         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
1942         for TARGET_64BIT.
1943         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
1944
1945 2004-07-14  Roger Sayle  <roger@eyesopen.com>
1946
1947         * expmed.c (expand_sdiv_pow2): New function to expand signed division
1948         by a positive power of two, split out from expand_divmod.  Provide
1949         an alternate implementation when shifts are expensive.  Lower the
1950         threshold for using a branchless implementation to BRANCH_COST >= 2.
1951         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
1952
1953 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1954
1955         * tree-dfa.c (make_rename_temp): *Really* work just
1956         like create_tmp_var if called while outside SSA form.
1957
1958 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1959
1960         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
1961         for division by zero.
1962         ("umodsi3"): Likewise.
1963
1964 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1965
1966         * config/mips/mips.c (mips_output_move): When generating mips16 code,
1967         force loads of negative constants to be split.
1968         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
1969         Generalize SImode li/neg splitter to cope with other modes.
1970
1971 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1972
1973         * expmed.c: Remove more references to QUEUED in the comments.
1974         * expr.c: Likewise.
1975
1976 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1977
1978         Revert:
1979         2004-07-13  Richard Henderson  <rth@redhat.com>
1980         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
1981         correctly.
1982
1983 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1984
1985         * tree-dfa.c (make_rename_temp): Work just like
1986         create_tmp_var if called while outside SSA form.
1987
1988 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1989
1990         * expr.c (enqueue_insn, finish_expr_for_function,
1991         protect_from_queue, queued_subexp_p, mark_queue,
1992         emit_insns_enqueued_after_mark, emit_queue,
1993         expand_increment): Remove.
1994         (store_constructor): Expand increment as an assignment.
1995         (expand_expr_real_1 <case PREINCREMENT_EXPR,
1996         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
1997         case POSTDECREMENT_EXPR>): Abort.
1998         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
1999         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
2000         protect_from_queue, emit_queue, queued_subexp_p): Remove.
2001         * function.h (pending_chain, x_pending_chain): Remove.
2002         * rtl.def (QUEUED): Remove.
2003
2004         * emit-rtl.c (copy_insn_1, copy_most_rtx,
2005         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
2006         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
2007         encode_units_mask): Likewise.
2008         * local-alloc.c (equiv_init_varies_p): Likewise.
2009         * rtl.c (copy_rtx): Likewise.
2010         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2011         * simplify-rtx.c (simplify_gen_subreg): Likewise.
2012         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
2013
2014         * builtins.c (expand_builtin, expand_builtin_apply,
2015         expand_builtin_mathfn, expand_builtin_mathfn_2,
2016         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
2017         Remove calls to emit_queue and protect_from_queue.
2018         * calls.c (expand_call, precompute_arguments,
2019         precompute_register_parameters, rtx_for_function_call,
2020         store_one_arg): Likewise.
2021         * dojump.c (do_compare_and_jump, do_jump): Likewise.
2022         * explow.c (memory_address): Likewise.
2023         * expmed.c (clear_by_pieces_1, clear_storage,
2024         clear_storage_via_libcall, emit_group_load,
2025         emit_group_store, emit_store_flag,
2026         expand_expr_real_1, store_by_pieces,
2027         store_constructor, store_expr, try_casesi,
2028         try_tablejump): Likewise.
2029         * function.c (expand_pending_sizes): Likewise.
2030         * optabs.c (emit_cmp_and_jump_insns,
2031         emit_conditional_add, emit_conditional_move,
2032         expand_fix, expand_float, prepare_cmp_insn): Likewise.
2033         * stmt.c (emit_case_bit_tests,
2034         expand_asm_expr, expand_computed_goto,
2035         expand_decl_init, expand_end_case_type,
2036         expand_end_stmt_expr, expand_expr_stmt_value,
2037         expand_return, expand_start_case,
2038         optimize_tail_recursion): Likewise.
2039         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2040         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
2041
2042 2004-07-14  Ben Elliston  <bje@au.ibm.com>
2043
2044         * vec.h: Comment fix.
2045
2046 2004-07-13  Richard Henderson  <rth@redhat.com>
2047
2048         * target.h (struct gcc_target): Add calls.pass_by_reference.
2049         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
2050         * function.c (pass_by_reference): Use the hook.
2051         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
2052         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
2053         (hook_pass_by_reference_must_pass_in_stack): New.
2054         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
2055         (alpha_pass_by_reference): New.
2056         (TARGET_PASS_BY_REFERENCE): New.
2057         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2058         * config/arc/arc.c (arc_pass_by_reference): New.
2059         (TARGET_PASS_BY_REFERENCE): New.
2060         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2061         (FUNCTION_ARG_CALLEE_COPIES): True.
2062         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
2063         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
2064         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
2065         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2066         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2067         * config/cris/cris.c (cris_pass_by_reference): New.
2068         (TARGET_PASS_BY_REFERENCE): New.
2069         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
2070         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
2071         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2072         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
2073         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2074         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
2075         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
2076         (frv_function_arg_pass_by_reference): Remove.
2077         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2078         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
2079         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
2080         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
2081         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2082         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
2083         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
2084         (ia64_pass_by_reference): Rename from
2085         ia64_function_arg_pass_by_reference.
2086         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2087         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2088         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
2089         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
2090         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
2091         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2092         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2093         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
2094         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
2095         (m32r_pass_by_reference): Adjust prototype.  Make static.
2096         Handle mode sizes correctly.
2097         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2098         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
2099         (m68hc11_function_arg_pass_by_reference): Remove.
2100         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2101         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2102         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
2103         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2104         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
2105         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
2106         (mips_va_arg): Use pass_by_reference.
2107         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
2108         Handle mode sizes correctly.
2109         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2110         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2111         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
2112         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
2113         (mmix_pass_by_reference): Rename from
2114         mmix_function_arg_pass_by_reference.
2115         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2116         (FUNCTION_ARG_CALLEE_COPIES): True.
2117         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
2118         (mn10300_pass_by_reference): New.
2119         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2120         (FUNCTION_ARG_CALLEE_COPIES): True.
2121         * config/pa/pa.c (pa_pass_by_reference): New.
2122         (TARGET_PASS_BY_REFERENCE): New.
2123         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2124         (FUNCTION_ARG_CALLEE_COPIES): True.
2125         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
2126         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
2127         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
2128         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2129         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
2130         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
2131         (s390_pass_by_reference): Rename from
2132         s390_function_arg_pass_by_reference.
2133         (s390_function_arg_advance): Don't query pass-by-ref.
2134         (s390_function_arg): Likewise.
2135         (s390_gimplify_va_arg): Use pass_by_reference.
2136         (s390_call_saved_register_used): Likewise.
2137         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2138         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
2139         (shcompact_byref, sh_pass_by_reference): New.
2140         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2141         (SHCOMPACT_BYREF): Remove.
2142         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
2143         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
2144         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
2145         (sparc_gimplify_va_arg): Use pass_by_reference.
2146         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2147         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2148         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
2149         (v850_pass_by_reference): New.
2150         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2151         (FUNCTION_ARG_CALLEE_COPIES): True.
2152         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
2153         FUNCTION_ARG_PASS_BY_REFERENCE docs.
2154
2155 2004-07-14  Richard Henderson  <rth@redhat.com>
2156             Richard Sandiford  <rsandifo@redhat.com>
2157
2158         * config/mips/mips-protos.h (mips_va_arg): Delete.
2159         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
2160         * config/mips/mips.c: Include tree-gimple.h.
2161         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
2162         (mips_arg_info): Remove special handling of must_pass_in_stck args.
2163         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
2164         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
2165
2166 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2167
2168         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
2169         arguments for COND_EXPR in big-endian adjustment code.
2170
2171 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2172
2173         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
2174         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
2175         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
2176         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
2177
2178 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2179
2180         PR tree-optimization/16443
2181         * tree-ssa-alias.c: Add more description for
2182         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
2183         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
2184         clobbering of call-clobbered and addressable variables.  If
2185         there are any before aliases have been computed, add them.
2186
2187 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2188
2189         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
2190         verification.
2191
2192 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
2193
2194         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
2195         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
2196         to the same type.
2197
2198 2004-07-13  Per Bothner  <per@bothner.com>
2199
2200         * collect2.c (main):  Handle --no-demangle and --demangle flags.
2201
2202 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
2203
2204         * Makefile.in (OBJS-common): Add tree-data-ref.o.
2205         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
2206         (tree-data-ref.o): New rule.
2207         * lambda.h: New file.
2208         * tree-data-ref.c: New file.
2209         * tree-data-ref.h: New file.
2210         * tree.c (int_cst_value, tree_fold_gcd): New functions.
2211         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
2212
2213 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2214
2215         PR target/13926
2216         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
2217         * config/sparc/sparc.c (output_ubranch): New function.
2218         * config/sparc/sparc.md (jump pattern): Use it.
2219
2220 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2221
2222         PR target/16494
2223         * config/sparc/sparc.c (output_cbranch): Properly guard
2224         the code handling far branches with TARGET_V9.
2225         * config/sparc/sparc.md (length attribute): Document the
2226         side-effect of having a length greater or equal to 3.
2227
2228 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2229             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
2230
2231         PR target/15186
2232         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
2233         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
2234
2235 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2236             Martin Sebor  <sebor@roguewave.com>
2237
2238         PR target/12602
2239         * doc/invoke.texi (SPARC options): Document -threads
2240         and -pthreads on Solaris.
2241
2242 2004-07-13  Richard Henderson  <rth@redhat.com>
2243
2244         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
2245         by reference.
2246         (ind_gimplify_va_arg_expr): Remove.
2247         * tree.h (ind_gimplify_va_arg_expr): Remove.
2248         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
2249         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
2250         argsp to be null.
2251
2252         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
2253         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
2254         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
2255         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
2256         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2257
2258 2004-07-13  Richard Henderson  <rth@redhat.com>
2259
2260         * function.c (pass_by_reference): New.
2261         (assign_parm_find_data_types): Use it.
2262         * calls.c (initialize_argument_information): Likewise.
2263         (emit_library_call_value_1): Likewise.
2264         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2265         * function.h (pass_by_reference): Declare.
2266
2267 2004-07-13  Richard Henderson  <rth@redhat.com>
2268
2269         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
2270         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
2271         * expr.h (MUST_PASS_IN_STACK): Remove.
2272         * system.h (MUST_PASS_IN_STACK): Poison.
2273         * tree.h (must_pass_in_stack_var_size): Declare.
2274         (must_pass_in_stack_var_size_or_pad): Declare.
2275         * calls.c (must_pass_in_stack_var_size): New.
2276         (must_pass_in_stack_var_size_or_pad): Rename from
2277         default_must_pass_in_stack.
2278         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
2279         (TARGET_MUST_PASS_IN_STACK): New.
2280         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
2281         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
2282         (TARGET_MUST_PASS_IN_STACK): New.
2283         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
2284         * config/frv/frv.c (frv_must_pass_in_stack): New.
2285         (TARGET_MUST_PASS_IN_STACK): New.
2286         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
2287         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
2288         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
2289         (ix86_must_pass_in_stack): Make static.
2290         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
2291         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
2292         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
2293         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
2294         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
2295         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
2296         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
2297         (mcore_must_pass_on_stack): Remove.
2298         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
2299         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
2300         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
2301         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
2302         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
2303         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
2304         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
2305         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
2306         (TARGET_MUST_PASS_IN_STACK): New.
2307         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
2308         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
2309         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
2310         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
2311         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
2312         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
2313         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
2314         MUST_PASS_IN_STACK.
2315
2316         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
2317         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
2318         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
2319         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
2320         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
2321         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
2322         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
2323         config/xtensa/xtensa.c: Use target hook.
2324
2325 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
2326
2327         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
2328         * configure: Rebuilt.
2329
2330 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2331
2332         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
2333         * config/mips/mips.h (mips_reg_names): Don't declare.
2334         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
2335         (TARGET_NAME_REGS): Delete.
2336         (TARGET_SWITCHES): Remove -mrnames.
2337         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
2338         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
2339         in REGISTER_NAMES.
2340         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
2341         (override_options): Remove handling of TARGET_NAME_REGS.
2342
2343 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2344
2345         * config/mips/mips.h (TARGET_*): Boolify.
2346
2347 2004-07-12  Nick Clifton  <nickc@redhat.com>
2348
2349         * config.gcc: Add sh-*-symbianelf target.
2350         * config/sh/sh.c: Add new target macros:
2351         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
2352         TARGET_CXX_IMPORT_EXPORT_CLASS.
2353         (sh_file_start): Create a definition of the .directive section.
2354         (sh_attribute): Add dllimport and dllexport attributes.
2355         * config/sh/symbian-pre.h: New file.
2356         * config/sh/symbian-post.h: New file.
2357         * config/sh/symbian.c: New file. Contains Symbian specific
2358         functions.
2359         * config/sh/sh-protos.h: Add prototypes for new functions
2360         provided by symbian.c.
2361         * config/sh/t-symbian: New file.
2362         * doc/extend.texi: Document support for dllimport and dllexport
2363         attributes by the sh-symbianelf target.
2364
2365 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2366
2367         * Makefile.in (AR): Use @AR@ not ar.
2368         (NM): New.
2369         (AR_FOR_TARGET): Use $(AR) not ar for native.
2370         (NM_FOR_TARGET): Use $(NM) not nm for native.
2371         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
2372         * configure: Regenerate.
2373
2374 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
2375
2376         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
2377         special case.
2378         (ashldi3_sp64): Likewise.
2379
2380 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2381
2382         PR target/16477
2383         * pa.c (function_arg): Update comment.
2384         * pa.h (BLOCK_REG_PADDING): Define.
2385
2386 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2387
2388         PR tree-optimization/16461
2389         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
2390         arguments of phi nodes.
2391
2392 2004-07-12  Devang Patel  <dpatel@apple.com>
2393
2394         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
2395
2396 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
2397
2398         * function.c (expand_function_start): Ensure r_save is in Pmode.
2399         * calls.c (prepare_call_address): Ensure static_chain_value is
2400         in Pmode.
2401         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
2402         r_save_area are in Pmode.
2403         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
2404         fnaddr, and static_chain are in Pmode.
2405
2406 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
2407
2408         PR target/16445
2409         * config/ia64/ia64.c (bundling): Don't count ignored insns.
2410
2411 2004-07-12  Richard Henderson  <rth@redhat.com>
2412
2413         * target.h (struct gcc_target): Move gimplify_va_arg_expr
2414         next to build_builtin_va_list.
2415         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
2416         * builtins.c (gimplify_va_arg_expr): Likewise.
2417         * gimplify.c (copy_if_shared_r): Likewise.
2418
2419 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
2420
2421         * passes.c (rest_of_decl_compilation): Don't defer call of
2422         assemble_variable if its DECL_RTL is already set.
2423
2424 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
2425
2426         * cfgloop.h (struct loop): Add nb_iterations field.
2427         (current_loops): Declare.
2428         * tree-chrec.c (chrec_not_analyzed_yet,
2429         chrec_dont_know, chrec_known, count_ev_in_wider_type,
2430         chrec_contains_symbols_defined_in_loop): Remove the temporary
2431         hooks.
2432         * tree-flow-inline.h (loop_containing_stmt): New function.
2433         * tree-scalar-evolution.c: Add implementation.
2434         * tree-scalar-evolution.h: Add declarations.
2435
2436 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
2437
2438         PR rtl-optimization/15921
2439         * Makefile.in (global.o): Add recog.h.
2440
2441         * global.c (recog.h): Add the include-clause.
2442         (bb_info): New member earlyclobber.
2443         (allocate_bb_info, free_bb_info): Initialize/finish the new
2444         member.
2445         (earlyclobber_regclass, earlyclobber_regclass_length): The new
2446         global variables.
2447         (check_earlyclobber, regclass_intersect,
2448         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
2449         New functions.
2450         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
2451         (make_accurate_live_analysis): Modify pavin.
2452
2453 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
2454
2455         * tree-cfg.c (find_taken_edge): Statically compute the truth
2456         value of a predicate comparing an SSA_NAME to itself.
2457
2458 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2459
2460         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
2461         rs6000 doesn't have shift-and-add or shift-and-sub instructions
2462         by returning the cost of a multiplication plus an addition.
2463
2464 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2465
2466         PR tree-optimization/14107
2467         * gimplify.c (gimplify_return_expr): Accept a
2468         RETURN_EXPR with an error argument.
2469         * tree-optimize.c (init_tree_optimization_passes):
2470         Run pass_warn_function_return at -O0.
2471
2472 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2473
2474         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
2475         index entry.
2476
2477 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
2478
2479         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
2480         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2481         * config/mips/3000.md: Add copyright notice.  Remove automota and
2482         function units; use generic ones instead.  Only define reservations
2483         for things that are different from generic.md.  Extend each clause
2484         to include r3900.
2485         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
2486         * config/mips/mips.md: Include them. Remove define_function_units.
2487         (alu, imuldiv): New automata and units.
2488
2489 2004-07-12  Ben Elliston  <bje@au.ibm.com>
2490
2491         * doc/invoke.texi (Optimize Options): Document -frename-registers
2492         not being enabled by default at -O3.
2493
2494 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2495
2496         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
2497         floating point additions, to keep real immediate constant positive.
2498         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
2499         into X + C, and leave positive real constants as X - C.
2500
2501 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2502
2503         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
2504
2505 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2506
2507         PR tree-optimization/15654
2508         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
2509
2510 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2511
2512         * builtins.c (fold_builtin_fputs): Don't bother converting the
2513         return type to integer_type_node, as we've already checked that
2514         the result will be ignored.
2515
2516         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
2517         that signed addition, subtraction, multiplication, division,
2518         remainder, negation and absolute value may potentially trap.
2519
2520         * fold-const.c (fold_ignored_result): New function to strip
2521         non-side-effecting tree nodes from an expression whose result
2522         is ignored.
2523         (fold_convert): Call fold_ignored_result when casting a value
2524         to VOID_TYPE.
2525         (omit_one_operand):  Call fold_ignored_result on the "omitted"
2526         operand when building a COMPOUND_EXPR.
2527         (pedantic_omit_one_operand): Likewise.
2528         * tree.h (fold_ignored_result): Prototype here.
2529         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
2530         when we're going to ignore the result.
2531
2532 2004-07-11  Richard Henderson  <rth@redhat.com>
2533
2534         PR tree-opt/16383
2535         * tree-ssa-ccp.c (fold_stmt_r): Split out...
2536         * tree.c (fields_compatible_p, find_compatible_field): ... new.
2537         * tree.h (fields_compatible_p, find_compatible_field): Declare.
2538         * tree-sra.c (sra_hash_tree): Hash fields by offset.
2539         (sra_elt_eq): Use fields_compatible_p.
2540         (generate_one_element_ref): Use find_compatible_field.
2541
2542 2004-07-11  Richard Henderson  <rth@redhat.com>
2543
2544         PR tree-opt/16422
2545         * tree-sra.c (generate_one_element_init): New.
2546         (generate_element_init): Use it.
2547         (scalarize_init): Push/pop gimplify context around it.
2548         (find_new_referenced_vars_1, find_new_referenced_vars): New.
2549         * gimplify.c (gimplify_expr): Allow SSA_NAME.
2550
2551 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2552
2553         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
2554         combine.c's combine_insn_cost.
2555         * rtl.h (insn_rtx_cost): Prototype here.
2556         * combine.c (combine_insn_cost): Delete function.
2557         (combine_validate_cost): Update callers of combine_insn_cost to
2558         call insn_rtx_cost instead.
2559         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
2560         requesting the rtx_cost of call and/or jump instructions.
2561
2562         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
2563         rtx_cost directly.  Don't request/use the cost of call or jump
2564         instructions.  Return -1 if the cost of any instruction can't be
2565         determined (or the BB contains a function call).
2566         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
2567         -1 (i.e. can't determine the cost of any instruction or the basic
2568         block contains a subroutine call).
2569         (find_if_case_2): Likewise.
2570
2571 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2572
2573         * rs6000.c (struct processor_costs): Change semantics of fields to
2574         include the COST_N_INSNS scaling, and update all initializers.
2575         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
2576         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
2577         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
2578         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
2579
2580 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2581
2582         * LANGUAGES: Remove obsolete information.
2583
2584 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2585
2586         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
2587         SIGBUS signal frames, the PSW address points *to* the faulting
2588         instruction, not after it.
2589
2590 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2591
2592         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
2593         added to TLS symbol addresses.
2594
2595 2004-07-11  Richard Henderson  <rth@redhat.com>
2596
2597         * expmed.c (init_expmed): Use stack-local structures for
2598         temporary rtl.  Don't recognize shifts.
2599
2600 2004-07-11  Richard Henderson  <rth@redhat.com>
2601
2602         * expr.c (store_expr): Don't fiddle subreg promotion for types
2603         with precision smaller than the mode.
2604
2605 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2606
2607         * tree.h (all_types_permanent): Remove.
2608
2609 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2610
2611         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
2612         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
2613         * langhooks.c (lhd_clear_binding_stack): Remove.
2614         * langhooks-def.h (lhd_clear_binding_stack,
2615         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2616         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
2617         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
2618         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2619         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
2620         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2621         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
2622         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2623         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
2624         * tree.h (poplevel): Don't declare.
2625         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
2626         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2627         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
2628         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
2629         Remove.
2630
2631 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2632
2633         PR tree-optimization/16437
2634         * c-common.c (shorten_compare): Don't mark result of conversion to
2635         narrower signed type as overflowing.
2636         * fold-const.c (decode_field_reference): Determine whether
2637         signedness comes from outer type using precision rather than size.
2638
2639 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2640
2641         * configure.ac:  Alphabetize --enable-checking list, add
2642         missing valgrind entry.
2643         * configure:  Regenerate.
2644
2645 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2646
2647         * doc/install.texi (Testing):  Fix syntax in "make check" example.
2648
2649 2004-07-10  James E Wilson  <wilson@specifixinc.com>
2650
2651         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
2652
2653 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2654
2655         PR rtl-optimization/16001
2656         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
2657         niter_expr.
2658
2659 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
2660
2661         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
2662
2663 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
2664             James Morrison  <phython@gcc.gnu.org>
2665
2666         * doc/contrib.texi (Contributors): Add gfortran contributors and
2667         fix a couple of typos.
2668
2669 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2670
2671         PR rtl-optimization/15387
2672         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
2673         to incoming args space correctly.
2674
2675 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2676
2677         * pa.c (output_indirect_call): Only use %r2 as the link register in
2678         indirect calls with the long PA 2.0 pc-relative branch.
2679
2680 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
2681
2682         * config/i386/i386.c (override_options): Pick a 64-bit CPU
2683         for the default tuning if TARGET_64BIT.
2684
2685 2004-07-10  Richard Henderson  <rth@redhat.com>
2686
2687         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
2688         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
2689
2690 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
2691
2692         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
2693         * expmed.c (store_bit_field, extract_bit_field): Remove last
2694         argument.
2695         * builtins.c (expand_builtin_signbit): Adjust callers.
2696         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
2697         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
2698         * ifcvt.c (noce_emit_move_insn): Likewise.
2699         * stmt.c (expand_return): Likewise.
2700         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
2701         store_field, expand_expr_real_1): Likewise.
2702
2703 2004-07-10  Richard Henderson  <rth@redhat.com>
2704
2705         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
2706
2707 2004-07-09  Mike Stump  <mrs@apple.com>
2708
2709         * config/darwin.c (no_dead_strip): Add.
2710         (HAVE_DEAD_STRIP): Add.
2711         (darwin_emit_unwind_label): Ensure that we don't dead code strip
2712         the .eh label.
2713
2714 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2715
2716         * tree-ssa-loop-im.c: New file.
2717         * Makefile.in (tree-ssa-loop-im.o): Add.
2718         * cfgloop.c (superloop_at_depth): New function.
2719         * cfgloop.h (superloop_at_depth): Declare.
2720         * common.opt (ftree-lim): New flag.
2721         * expr.c (array_ref_up_bound): New function.
2722         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
2723         * timevar.def (TV_LIM): New timevar.
2724         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
2725         computing immediate uses of a phi node.
2726         * tree-flow.h (struct tree_ann_common_d): Add aux field.
2727         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
2728         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
2729         * tree-pass.h (pass_lim): Declare.
2730         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
2731         functions.
2732         (pass_lim): New pass structure.
2733         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
2734         * tree.c (in_array_bounds_p): New function.
2735         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
2736         (in_array_bounds_p, array_ref_up_bound): Declare.
2737         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
2738         * doc/passes.texi (tree-ssa-loop-im.c): Document.
2739
2740 2004-07-09  Richard Henderson  <rth@redhat.com>
2741
2742         * builtins.c (expand_builtin_stpcpy): Don't modify len.
2743
2744         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
2745         with prejudice.
2746
2747 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
2748
2749         * flags.h: Delete redundant prototypes that are being generated
2750         in options.h from common.opt.
2751         * common.opt: Add in the expository comments formerly in flags.h.
2752
2753 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2754
2755         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
2756         available for use only when TARGET_MMX/_SSE is set, and check for
2757         variable argument function if any register count is non-zero.
2758         (function_arg): Correctly suppress repeated warnings for passing SSE
2759         vectors are arguments without SSE enabled.
2760         (ix86_function_arg_boundary): Without SSE enabled, the use of what
2761         would be SSE register modes does no longer influence the alignment.
2762
2763 2004-07-09  Richard Henderson  <rth@redhat.com>
2764
2765         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
2766         Always align upward to arg boundary.  Use size_in_bytes/round_up.
2767         Maintain type-correctness of constants.
2768         * stor-layout.c (round_up, round_down): Special-case powers of 2.
2769
2770 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2771
2772         * config/sparc/sparc.c (*_costs): Scale instruction costs
2773         by COSTS_N_INSNS.
2774         (sparc_rtx_costs): Adjust as appropriate.
2775
2776 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2777
2778         * config/i386/mm3dnow.h: New.
2779         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
2780
2781 2004-07-09  Richard Henderson  <rth@redhat.com>
2782
2783         * simplify-rtx.c (simplify_const_relational_operation): Only
2784         look at bounds of scalar integers.
2785
2786 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2787
2788         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
2789
2790 2004-07-09  Andrew Pinski  <apinski@apple.com>
2791
2792         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
2793         always referenced.
2794         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
2795         UOBJC_METACLASS_decl.
2796
2797 2004-07-09  James E Wilson  <wilson@specifixinc.com>
2798
2799         PR target/16364
2800         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
2801         do return a parallel if hfa_mode == XFmode and mode == TImode.
2802
2803 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2804
2805         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
2806         permissible for unary plus.
2807
2808 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2809
2810         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
2811         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
2812         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
2813         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
2814         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
2815         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
2816         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
2817         (BUILTIN_xxxIMAX): New.
2818         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
2819         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
2820         BUILT_IN_PARITYIMAX.
2821
2822 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2823
2824         * config/sparc/sparc.h (processor_costs): Define.
2825         (sparc_costs): Declare.
2826         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
2827         hypersparc_costs, sparclet_costs, ultrasparc_costs,
2828         ultrasparc3_costs): New.
2829         (sparc_override_options): Set sparc_costs as appropriate.
2830         (sparc_rtx_costs): Use sparc_costs instead of messy
2831         conditionals.
2832
2833 2004-07-09  Steven Bosscher  <stevenb@suse.de>
2834
2835         * doc/md.texi (Processor pipeline description): Mention that
2836         the old pipeline description is deprecated.
2837
2838         * config/rs6000/7450.md (automaton ppc7450): Split up, move
2839         mciu_7450 function unit to...
2840         (automaton ppc7450mciu): ...new automaton.
2841
2842         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
2843         (schedule_block): Don't consider inserting bubbles.
2844         (sched_init): Don't initialize DFA bubbles.
2845         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
2846         TARGET_SCHED_DFA_BUBBLE): Remove.
2847         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
2848         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
2849         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
2850
2851         * stmt.c (conditional_context): Remove prototype.
2852         * tree.h (conditional_context): Remove.
2853         * tree-cfg.c (pre_insert_on_edge): Remove.
2854
2855         * c-common.h (c_expand_asm_operands): Remove prototype.
2856         * c-typeck.c (c_expand_asm_operands): Remove.
2857
2858 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2859
2860         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
2861         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
2862         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
2863         and V8QI are class SSE. All sufficiently small remaining vector modes
2864         must be passed in one or two integer registers.
2865         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
2866         returned in memory.
2867         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
2868         __builtin_ia32_pmuludq128 have non-uniform argument and return types
2869         and must thus be handled explicitly.
2870         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
2871         MMX and XMM regs.
2872         (movv8qi_internal, movv4hi_internal, movv2si_internal,
2873         movv2sf_internal): Permit moving between MMX and XMM registers (since
2874         MMX areguments and return values are passed in XMM registers).
2875         (sse2_umulsidi3): Correct type and mode.
2876
2877 2004-07-09  Richard Henderson  <rth@redhat.com>
2878
2879         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
2880
2881 2004-07-09  Eric Christopher  <echristo@redhat.com>
2882
2883         * config/rs6000/40x.md: Split into two automatons.
2884
2885 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2886             Andrew Pinski  <apinski@apple.com>
2887
2888         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
2889         on when we have more than one input file.
2890         (c_common_parse_file): Restore loop over all input files.
2891         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
2892
2893         * c-decl.c (set_type_context): New function.
2894         (pop_scope): Use it to set context of types.  When we
2895         encounter a TYPE_DECL, set the context of the attached type too.
2896         (pop_file_scope): Don't call cpp_undef_all here.
2897         (diagnose_mismatched_decls): Do not complain about a second
2898         definition of an 'extern inline' function if it's not in the
2899         same translation unit.  Do not complain about inline
2900         declaration after use if the use was in a different
2901         translation unit.
2902         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
2903         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
2904         the external scope.
2905         (pushdecl_top_level): Likewise.
2906         (grokdeclarator): Clarify what is going on with setting
2907         DECL_EXTERNAL on function types, a little.
2908         (c_write_global_declarations): Don't do anything if
2909         -fsyntax-only or errors have been encountered.
2910
2911 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2912
2913         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
2914
2915 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2916
2917         PR target/16459
2918         * pa.c (output_indirect_call): Use %r2 as the link register when
2919         calling $$dyncall with a pc-relative branch.
2920
2921 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
2922
2923         * doc/install.texi (Binaries): Mention OpenPKG.
2924
2925 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
2926
2927         Fix PR tree-optimization/15555
2928         * tree-dfa.c (dump_variable): If the variable is a pointer
2929         SSA_NAME, also dump its points-to information.
2930         * tree-flow.h (struct ptr_info_def): Add field
2931         is_dereferenced.
2932         (dump_points_to_info_for): Declare.
2933         (debug_points_to_info_for): Declare.
2934         * tree-optimize.c (init_tree_optimization_passes): Add a
2935         second alias analysis pass after DOM2.
2936         Move pass_del_pta to a later spot.
2937         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
2938         create a name tags when we find a dereferenced pointer.  Just
2939         mark the pointer dereferenced.
2940         (collect_points_to_info_for): Move code to clear points-to
2941         information to create_name_tags.
2942         (create_name_tags): New function.
2943         (compute_flow_sensitive_aliasing): Call it.
2944         (setup_pointers_and_addressables): Mark type tags for renaming
2945         here instead of ...
2946         (create_memory_tag): ... here.
2947         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
2948         (dump_points_to_info_for): Declare extern.
2949         (debug_points_to_info_for): New function.
2950
2951 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
2952
2953         * config/arc/arc.md: Switch to DFA-based scheduler description.
2954         * config/arc/arc.c: Switch to DFA-based scheduler description.
2955
2956 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2957
2958         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
2959         pointer.
2960
2961 2004-07-09  Richard Henderson  <rth@redhat.com>
2962
2963         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
2964         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2965         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
2966         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2967
2968         * config/v850/v850-protos.h (v850_va_arg): Remove.
2969         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2970         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
2971         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
2972         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
2973         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
2974
2975 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2976
2977         PR target/12133
2978         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
2979         and DImode to use +/-4k offset.
2980
2981 2004-07-09  Richard Henderson  <rth@redhat.com>
2982
2983         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
2984         Remove.
2985         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2986         (xstormy16_gimplify_va_arg_expr): Rewrite from
2987         xstormy16_expand_builtin_va_arg.
2988         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
2989
2990         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
2991         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
2992
2993         * config/sh/sh-protos.h (sh_va_arg): Remove.
2994         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2995         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
2996         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
2997
2998         * config/pa/pa-protos.h (hppa_va_arg): Remove.
2999         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3000         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
3001         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3002
3003         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
3004         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3005         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
3006         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
3007
3008 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3009
3010         * config/sparc/sparc.md (return): Rewrite length formula.
3011         * config/sparc/sparc.c (output_return): Pass 1 as 5th
3012         argument to final_scan_insn when in a delay slot.
3013         (output_sibcall): Likewise.
3014
3015 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3016
3017         * arm.c (arm_cpp_interwork): New variable.
3018         (arm_override_options): Set it if TARGET_INTERWORK was on the command
3019         line.
3020         * arm.h (arm_cpp_interwork): Declare it.
3021         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
3022         __THUMB_INTERWORK__ in the preprocessor.
3023
3024 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
3025
3026         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
3027
3028 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3029
3030         PR target/16416
3031         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
3032         Override default settings to account for -m32 and -m64.
3033
3034 2004-07-08  Randolph Chung  <tausq@debian.org>
3035
3036         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
3037
3038 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
3039
3040         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
3041         before comparing it as such.
3042
3043 2004-07-08  Richard Henderson  <rth@redhat.com>
3044
3045         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
3046         temporary.  Use bit arithmetic to align.
3047
3048 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
3049
3050         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
3051         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
3052         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
3053         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
3054         add_labels_and_missing_jumps, find_jump_block,
3055         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3056         Likewise.
3057         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
3058         link_btr_uses, move_btr_def): Likewise.
3059         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
3060         expand_builtin_expect_jump): Likewise.
3061         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
3062         * calls.c (expand_call, emit_library_call_value_1): Likewise.
3063         * cfganal.c (forwarder_block_p): Likewise.
3064         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
3065         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
3066         find_bb_boundaries): Likewise.
3067         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3068         merge_blocks_move_predecessor_nojumps,
3069         merge_blocks_move_successor_nojumps, insns_match_p,
3070         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3071         try_optimize_cfg): Likewise.
3072         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
3073         * cfglayout.c (skip_insns_after_block, label_for_bb,
3074         record_effective_endpoints, insn_locators_initialize,
3075         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
3076         * cfgmainloop.c (create_loop_notes): Likewise.
3077         * cfgrtl.c (delete_insn, delete_insn_chain,
3078         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
3079         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
3080         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
3081         redirect_branch_edge, force_nonfallthru_and_redirect,
3082         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
3083         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
3084         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
3085         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3086         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
3087         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
3088         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
3089         * combine.c (combine_instructions, can_combine_p, try_combine,
3090         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
3091         distribute_notes, distribute_links, insn_cuid): Likewise.
3092         * cse.c (fold_rtx, cse_insn, cse_around_loop,
3093         invalidate_skipped_block, cse_set_around_loop,
3094         cse_end_of_basic_block, cse_main, cse_basic_block,
3095         cse_condition_code_reg): Likewise.
3096         * cselib.c (cselib_process_insn): Likewise.
3097         * ddg.c (create_ddg): Likewise.
3098         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
3099         Likewise.
3100         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3101         gen_label_die, dwarf2out_var_location): Likewise.
3102         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
3103         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
3104         last_call_insn, active_insn_p, next_label, prev_label,
3105         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
3106         add_insn_before, remove_insn, add_function_usage_to,
3107         reorder_insns, find_line_note, remove_unnecessary_notes,
3108         emit_insn_after_1, classify_insn): Likewise.
3109         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
3110         connect_post_landing_pads, sjlj_mark_call_sites,
3111         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
3112         can_throw_internal, can_throw_external, set_nothrow_function_flags,
3113         convert_to_eh_region_ranges): Likewise.
3114         * explow.c (optimize_save_area_alloca): Likewise.
3115         * expr.c (expand_expr_real): Likewise.
3116         * final.c (insn_current_reference_address, compute_alignments,
3117         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
3118         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
3119         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
3120         propagate_block_delete_insn, propagate_one_insn,
3121         init_propagate_block_info, propagate_block, libcall_dead_p,
3122         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
3123         Likewise.
3124         * function.c (instantiate_virtual_regs, reorder_blocks_1,
3125         expand_function_start, expand_function_end, contains,
3126         thread_prologue_and_epilogue_insns,
3127         reposition_prologue_and_epilogue_notes): Likewise.
3128         * gcse.c (constprop_register, bypass_conditional_jumps,
3129         insert_insn_end_bb, gcse_after_reload): Likewise.
3130         * genemit.c (gen_expand, gen_split): Likewise.
3131         * genpeep.c (gen_peephole, main): Likewise.
3132         * global.c (build_insn_chain): Likewise.
3133         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
3134         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
3135         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
3136         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
3137         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
3138         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
3139         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
3140         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
3141         dead_or_predicable): Likewise.
3142         * integrate.c (try_constants): Likewise.
3143         * jump.c (rebuild_jump_labels, cleanup_barriers,
3144         purge_line_number_notes, init_label_info, mark_all_labels,
3145         squeeze_notes, get_label_before, get_label_after,
3146         reversed_comparison_code_parts, simplejump_p, pc_set,
3147         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
3148         delete_barrier, delete_prior_computation, delete_computation,
3149         delete_related_insns, delete_for_peephole, redirect_jump):
3150         Likewise.
3151         * lcm.c (optimize_mode_switching): Likewise.
3152         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
3153         Likewise.
3154         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
3155         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
3156         * loop-iv.c (simplify_using_assignment): Likewise.
3157         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
3158         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
3159         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
3160         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
3161         check_insn_for_givs, check_final_value, update_giv_derive,
3162         basic_induction_var, product_cheap_p, check_dbra_loop,
3163         loop_insn_first_p, last_use_this_basic_block,
3164         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
3165         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
3166         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
3167         sms_schedule_by_order): Likewise.
3168         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
3169         * postreload.c (reload_cse_simplify_operands, reload_combine,
3170         reload_cse_move2add): Likewise.
3171         * predict.c (can_predict_insn_p, estimate_probability,
3172         expected_value_to_br_prob, process_note_predictions): Likewise.
3173         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
3174         * profile.c (branch_prob): Likewise.
3175         * ra-build.c (live_out_1, livethrough_conflicts_bb,
3176         detect_webs_set_in_cond_jump): Likewise.
3177         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
3178         ra_print_rtl_with_bb): Likewise.
3179         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
3180         * recog.c (next_insn_tests_no_inequality, find_single_use,
3181         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
3182         * reg-stack.c (next_flags_user, record_label_references,
3183         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
3184         compensate_edge, convert_regs_1): Likewise.
3185         * regclass.c (scan_one_insn): Likewise.
3186         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3187         regmove_optimize, fixup_match_1, single_set_for_csa,
3188         combine_stack_adjustments_for_block): Likewise.
3189         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
3190         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
3191         find_equiv_reg): Likewise.
3192         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
3193         reload_as_needed, emit_input_reload_insns, do_output_reload,
3194         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
3195         Likewise.
3196         * reorg.c (find_end_label, emit_delay_sequence,
3197         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
3198         get_jump_flags, rare_destination, mostly_true_jump,
3199         try_merge_delay_insns, redundant_insn, own_thread_p,
3200         fill_simple_delay_slots, fill_slots_from_thread,
3201         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
3202         dbr_schedule): Likewise.
3203         * resource.c (find_basic_block, next_insn_no_annul,
3204         find_dead_or_set_registers, mark_target_live_regs): Likewise.
3205         * rtl.h (RTX_PREV): Likewise.
3206         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
3207         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
3208         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
3209         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
3210         tablejump_p, computed_jump_p, insns_safe_to_move_p,
3211         find_first_parameter_load, can_hoist_insn_p): Likewise.
3212         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
3213         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
3214         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
3215         schedule_ebbs): Likewise.
3216         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
3217         is_conditionally_protected, can_schedule_ready_p,
3218         add_branch_dependences, debug_dependencies): Likewise.
3219         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
3220         Likewise.
3221         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
3222         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
3223         set_dominates_use, ujump_to_loop_cont): Likewise.
3224         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
3225         * varasm.c (output_constant_pool_1): Likewise.
3226
3227 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3228
3229         * tree-scalar-evolution.c: New file.
3230         * tree-scalar-evolution.h: New file.
3231         * tree-ssa-loop-niter.c: New file.
3232         * Makefile.in (SCEV_H): New.
3233         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
3234         * cfgloop.h (struct loop): Add bounds field.
3235         * tree-flow.h (struct tree_niter_desc): New type.
3236         (number_of_iterations_cond, number_of_iterations_exit,
3237         loop_niter_by_eval, find_loop_niter_by_eval,
3238         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
3239         free_numbers_of_iterations_estimates): Declare.
3240         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
3241         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
3242         * doc/invoke.texi (max-iterations-to-track): Document.
3243
3244 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3245
3246         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
3247         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
3248         (MODE_AFTER): Add cast appropriately.
3249         * config/sh/sh.md (movdi splitter): Likewise.
3250         (casesi_worker_2): Add const qualifier appropriately.
3251         (eh_return): Remove unused variable.
3252         (insv): Initialize v;
3253
3254 2004-07-08  Richard Henderson  <rth@redhat.com>
3255
3256         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
3257         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3258         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
3259         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
3260         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
3261
3262         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
3263         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3264         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
3265         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
3266
3267         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
3268         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3269         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
3270         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
3271
3272         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
3273         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3274         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
3275         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
3276
3277         * config/i860/i860-protos.h (i860_va_arg): Remove.
3278         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3279         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
3280         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
3281
3282 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3283
3284         * system.h: Prototype getpagesize if missing.
3285         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
3286         * configure: Regenerate.
3287         * config.in: Regenerate.
3288
3289 2004-07-08  Richard Henderson  <rth@redhat.com>
3290
3291         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
3292         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3293         (fr30_gimplify_va_arg_expr): New.
3294         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
3295         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
3296
3297 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
3298
3299         PR target/16414
3300         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
3301         of asm_noperands result.
3302
3303 2004-07-08  Richard Henderson  <rth@redhat.com>
3304
3305         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
3306         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3307         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
3308         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
3309
3310 2004-07-08  Richard Henderson  <rth@redhat.com>
3311
3312         * builtins.c (ind_gimplify_va_arg_expr): New.
3313         * tree.h (ind_gimplify_va_arg_expr): Declare.
3314         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
3315
3316 2004-07-08  Jan Beulich  <jbeulich@novell.com>
3317
3318         * expmed.c (extract_bit_field): Correct condition to use vec_extract
3319         patterns also on vector elements other than the first one.
3320         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
3321         break statements.
3322
3323 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
3324
3325         * config/rs6000/darwin-ldouble.c: Correct reference
3326         to the Linnainmaa paper.
3327
3328 2004-07-08  Richard Henderson  <rth@redhat.com>
3329
3330         * config/arc/arc-protos.h (arc_va_arg): Remove.
3331         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3332         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
3333         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3334
3335         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
3336         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3337         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
3338         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
3339
3340 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3341
3342         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
3343
3344 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3345
3346         * c-decl.c (static_ctors, static_dtors): Make static.
3347         (pop_file_scope): Call c_common_write_pch and
3348         cgraph_finalize_compilation_unit here.
3349         (build_cdtor): Moved here from c-objc-common.c; simplify.
3350         (c_write_global_declarations_1): Clarify comment.
3351         (c_write_global_declarations): Close the external scope before
3352         doing anything else.  Call build_cdtor, cgraph_optimize, and
3353         mudflap_finish_file here.
3354         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
3355         Clarify comment.
3356         * c-objc-common.c: No need to include cgraph.h.
3357         (build_cdtor): Moved to c-decl.c.
3358         (c_objc_common_finish_file): Delete.
3359         * c-tree.h: Update to match.
3360         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
3361         (generate_static_references): Set TREE_USED before calling finish_decl.
3362         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
3363         on the static_instances_decl.
3364
3365 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3366
3367         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
3368         decls when there is only one input translation unit.
3369         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
3370         change of 2004-07-05; do not treat declarations with
3371         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
3372         * opts.c (cur_in_fname): Delete.
3373         * opts.h: Likewise.
3374         * tree.c: Revert changes of 2004-07-05; no special treatment
3375         for TRANSLATION_UNIT_DECLs.
3376         * Makefile.in (tree.o): Update dependencies.
3377
3378 2004-07-08  Roger Sayle  <roger@eyesopen.com>
3379
3380         * builtins.c (fold_builtin_strcpy): Merge functionality from
3381         simplify_builtin_strcpy.  Add additional len argument.  No longer
3382         static.  Remove function prototype.
3383         (fold_builtin_strncpy): Likewise integrate functionality from
3384         simplify_builtin_strncpy.  Add additional slen argument.  No
3385         longer static.  Remove function prototype.
3386         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
3387         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
3388         types of "ignore" and "unlocked" parameters to bool.
3389         (fold_builtin_1):  Add additional ignore argument.  Call renamed
3390         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
3391         builtins.  Update arguments to fold_builtin_strncpy and
3392         fold_builtin_strcpy.  Add function prototype.
3393         (fold_builtin): Add additional Boolean ignore argument to pass
3394         to fold_builtin_1.
3395         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
3396         and fold_builtin_strncpy instead of simplify_builtin_fputs,
3397         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
3398
3399         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
3400         simplify_builtin_strncpy): Delete function prototypes.
3401         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
3402         fold_builtin_strncpy): Add function prototypes here.
3403         (fold_builtin): Update function prototype with new "bool ignore".
3404
3405         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
3406         (ccp_fold_builtin):  Update call to fold_builtin.  Call
3407         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
3408         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
3409         simplify_builtin_strncpy respectively.
3410         * fold-const.c (fold): Update call to fold_builtin.
3411
3412 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3413
3414         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
3415         to strcpy.
3416
3417         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
3418         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
3419         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
3420         * calls.c: Remove ifdefs of macros above.
3421         * functions.c: Likewise.
3422         * expr.c: Likewise.
3423
3424 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3425
3426         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
3427         (arch attribute): Delete.
3428         (current_function_calls_alloca attribute): Rename into calls_alloca.
3429         (calls_eh_return): New attribute.
3430         (leaf_function): Likewise.
3431         (length attribute): Fix formula for sibcalls.
3432         (return insn): Correctly compute the 'length' attribute.
3433         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
3434
3435 2004-07-08  Richard Henderson  <rth@redhat.com>
3436
3437         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
3438         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
3439         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
3440         * tree-eh.c (lower_eh_constructs_1): Likewise.
3441         * tree-sra.c (sra_walk_modify_expr): Likewise.
3442         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3443         (eliminate_unnecessary_stmts): Likewise.
3444         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3445         * tree-tailcall.c (optimize_tail_call): Likewise.
3446         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
3447
3448 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3449             Jakub Jelinek  <jakub@redhat.com>
3450
3451         * config/i386/i386.c (override_options): Enable
3452         SSE prefetches with -mtune, as long as we are
3453         compiling for i686 or higher.  All i686 processors
3454         accept SSE prefetches as NOPS, some i586's don't.
3455
3456 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3457
3458         PR target/10567
3459         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
3460
3461 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3462
3463         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
3464         the handling of clobbering ASM_EXPRs.
3465
3466 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3467
3468         PR target/16430
3469         * config/sparc/sparc.c (function_value): In 64-bit mode,
3470         return the aggregates larger than 16 bytes like unions.
3471
3472 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3473
3474         PR target/16199
3475         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
3476         'temp' is zero, generate new pseudos as needed and emit the
3477         sequence of insns in single-assignment form.  Resync comments
3478         with code.
3479         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
3480         function before reload.
3481
3482 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
3483
3484         * vec.c (vec_assert_fail): Remove duplicate 'function'.
3485
3486         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
3487
3488         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
3489         Allocation is signed.
3490         (VEC_reserve): Return flag, allocation is signed.
3491
3492 2004-07-08  Richard Henderson  <rth@redhat.com>
3493
3494         * tree-ssa-ccp.c (fold_stmt): Get type directly from
3495         OBJ_TYPE_REF_OBJECT.
3496
3497 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3498             Neil Booth  <neil@daikokuya.co.uk>
3499
3500         PR c/2511
3501         PR c/3325
3502         * c-decl.c (finish_struct): Ensure bit-fields are given the
3503         correct type.
3504         * c-common.c (c_common_signed_or_unsigned_type): For C, require
3505         the precision to match as well as the mode.
3506         * expr.c (reduce_to_bit_field_precision): New function.
3507         (expand_expr_real_1): Reduce expressions of bit-field type to
3508         proper precision.
3509         * langhooks.h (reduce_bit_field_operations): New hook.
3510         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3511         Define.
3512         * c-lang.c, objc/objc-lang.c
3513         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
3514         * objc/objc-act.c (check_ivars): Convert types to bit-field types
3515         before checking.
3516         * tree.c (build_nonstandard_integer_type): New function.
3517         * tree.h (build_nonstandard_integer_type): New prototype.
3518         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
3519         conversions between integer and boolean types as useless.
3520
3521 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3522
3523         * c-common.c (c_common_nodes_and_builtins): Do not
3524         create __builtin_ptrdiff_t and __builtin_size_t.
3525
3526 2004-07-08  Andrew Pinski  <apinski@apple.com>
3527
3528         * Makefile.in (libbackend.o): Add -combine to the gcc
3529         command line.
3530
3531 2004-07-08  Nick Clifton  <nickc@redhat.com>
3532
3533         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
3534         Set to -Os.
3535
3536 2004-07-08  Richard Henderson  <rth@redhat.com>
3537
3538         * except.c (expand_eh_region_start, expand_eh_region_end,
3539         expand_eh_handler, expand_eh_region_end_cleanup,
3540         expand_start_all_catch, expand_start_catch, expand_end_catch,
3541         expand_end_all_catch, expand_eh_region_end_allowed,
3542         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
3543         expand_eh_region_end_fixup): Remove.
3544         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
3545         cleanups, outer_cleanups, label_chain, exception_region.
3546         (struct goto_fixup): Remove stack_level, cleanup_list_list.
3547         (struct label_chain): Remove.
3548         (struct stmt_status): Remove x_stack_block_stack.
3549         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
3550         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
3551         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
3552         end_cleanup_deferral, last_cleanup_this_contour,
3553         containing_blocks_have_cleanups_or_stack_level,
3554         any_pending_cleanups): Remove.
3555         (expand_null_return_1): Take no arguments.
3556         (expand_label, expand_naked_return, expand_return,
3557         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
3558         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
3559         expand_end_case_type): Don't use any of them.
3560         * calls.c (expand_call): Likewise.
3561         * dojump.c (do_jump): Likewise.
3562         * function.c (expand_function_end): Likewise.
3563         * expr.c (store_expr, expand_expr_real_1): Likewise.
3564         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
3565         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
3566         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
3567         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
3568         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
3569         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
3570         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
3571         for WITH_CLEANUP_EXPR.
3572         (gimple_push_cleanup): Likewise.
3573         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
3574         * print-tree.c (print_node): Likewise.
3575         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
3576         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
3577         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
3578         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
3579         (GOTO_SUBROUTINE_EXPR): Remove.
3580         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
3581         (DECL_TOO_LATE): Remove.
3582         * except.h, tree.h: Update decls.
3583
3584 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3585
3586         * explow.c (optimize_save_area_alloca): Do not accept parameters.
3587         * passes.c (rest_of_handle_final): Handle symout.
3588         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
3589         Push timevar here.
3590         (rest_of_handle_sched): Break out SMS.  Remove ifs for
3591         flag_schedule_insns and flag_modulo_sched.
3592         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
3593         collect at the end.
3594         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
3595         (rest_of_handle_partition_blocks, rest_of_handle_sms,
3596         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
3597         rest_of_handle_mode_switching, rest_of_handle_jump,
3598         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
3599         rest_of_handle_jump2, rest_of_handle_postreload,
3600         rest_of_handle_flow2, rest_of_clean_state,
3601         rest_of_handle_shorten_branches,
3602         rest_of_handle_prologue_epilogue,
3603         rest_of_handle_branch_target_load_optimize): New.
3604         (rest_of_compilation): Call the above.  Remove ggc_collect
3605         calls moved to rest_of_handle_*.
3606         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
3607
3608         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
3609         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
3610         * except.h (set_nothrow_function_flags): Update comment.
3611         * function.c (current_function_nothrow): Remove.
3612         * output.h (current_function_nothrow): Remove.
3613         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
3614         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
3615
3616 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3617
3618         PR bootstrap/16326
3619         * reorg.c: Revert 2004-06-30 change.
3620         (find_end_label): If HAVE_epilogue and !HAVE_return,
3621         return 0 instead of creating a label at the end of the insn chain.
3622         (optimize_skip): Account for the failure mode of find_end_label.
3623         (fill_simple_delay_slots): Likewise.
3624         (fill_slots_from_thread): Likewise.
3625         (relax_delay_slots): Likewise.
3626
3627 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3628
3629         * tree-flow.h (addressable_vars): Declare.
3630         * tree-ssa-alias.c (addressable_vars): Define.
3631         (setup_pointers_and_addressables): Add addressable variables
3632         to addressable_vars.
3633         * tree-ssa-operands.c (get_stmt_operands): Move
3634         handling of ASM_EXPRs ...
3635         (get_asm_expr_operands): ... here.
3636         When the ASM_EXPR clobbers memory, also clobber addressable
3637         variables.
3638         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
3639         (delete_tree_ssa): Reset addressable_vars.
3640
3641 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3642             Richard Henderson  <rth@redhat.com>
3643
3644         * varasm.c (assemble_variable): Use assemble_zeros for
3645         zero-initialized variables.
3646         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
3647         for SECCAT_BSS and SECCAT_TBSS.
3648
3649 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3650
3651         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
3652
3653         * expmed.c (emit_store_flag): Also special-case double-word
3654         (in-)equality comparison against -1.
3655
3656         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
3657         passing arguments the containers for which are registers.
3658
3659         * calls.c (emit_library_call_value_1): Use mode of function parameter
3660         rather than that of argument since constants have none.
3661
3662 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3663
3664         Introduce H8SX support.
3665         * expr.c (expand_strcpy): Renamed and moved to...
3666         * builtins.c (expand_movstr): ... here.  Tweak.
3667         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
3668         computed or has side effects.
3669         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
3670         unused, or if mempcpy fails.  Adjust the return value in the
3671         latter case.  Use movstr if everything else fails.
3672         * doc/md.texi (movstr): Document.
3673         (movmemM, clrmemM): Fix explanation of memory block operands.
3674         * config/h8300/h8300.md (stpcpy): Renamed to...
3675         (movstr): ... this.  Adjust.
3676         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3677         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
3678         movmem* and clrstr* to clrmem*.
3679         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
3680         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
3681         GENERAL_REGS, always.
3682         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
3683         getting the stack pointer as addr.
3684         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
3685         from general_operand_dst.
3686         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
3687         variant of...
3688         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
3689         instead of requiring it to match only before reload.
3690         (stpcpy_internal_normal): New, normal-mode variant of...
3691         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
3692         `D' instead of requiring it to match only before reload.
3693         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
3694         mode argument.
3695         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
3696         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
3697         h8300_get_index.
3698         * config/h8300/h8300.md (attr type): Add call.
3699         (attr can_delay): If type is call, set it no.
3700         (call, call_value): Set type to call.
3701         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
3702         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
3703         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
3704         * tree.c (get_narrower): Don't narrow integral types into
3705         non-integral types.
3706         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
3707         frame_size *before* the first use.
3708         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
3709         on input.
3710         (peephole2): Don't widen instructions that push SP.  Move
3711         decrement of SP to the end of all stm-generating peepholes.
3712         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3713         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
3714         and OR to set it to all ones.
3715         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3716         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
3717         (call, call_value): Set can_delay to "no".
3718         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
3719         * config/h8300/h8300.md (extzv): Make subreg check more robust.
3720         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3721         * config/h8300/h8300.md (*brabit): Remove.
3722         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
3723         zero_extract.  Use bit_memory_operand as the predicate for
3724         operand 1 and 'WU' as the constraint.  Check the difference
3725         between the base length and the final one when deciding which
3726         type of branch to use.
3727         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3728         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
3729         Use convert_move to extend the result for TARGET_H8300SX.  Check
3730         for QImode memory references.  Optimize the case where the
3731         destination is a paradoxical subreg.
3732         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3733         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
3734         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
3735         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3736         * config/h8300/h8300.md: Include mova.md
3737         (length_table): Add mova and mova_zero.
3738         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
3739         after all constant addresses for '%R', '%X', '%T' and '%S'.
3740         (h8300_mova_length): New function.
3741         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
3742         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
3743         dependencies for s-config, etc.
3744         * config/h8300/gemova.sh: New file.
3745         * config/h8300/mova.md: Generated.
3746         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
3747         * config/h8300/h8300.c (h8300_bitfield_length): New.
3748         (nibble_operand): Adjust.
3749         (h8300_binary_length): Handle conditional binary op.
3750         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
3751         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
3752         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
3753         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
3754         constraints.  WU is introduced as a variant of U that requires a
3755         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
3756         * config/h8300/h8300.md (attr type): Added bitbranch.
3757         (attr length_table): Added bitfield and bitbranch.
3758         (attr length): Compute bitbranch length.
3759         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
3760         least-significant bit of a byte.
3761         (brabit, brabc, brabs): New.
3762         (insv, extzv): Emit bfst and bfld on H8300SX.
3763         (bfld, bfst, seq, sne): New.
3764         (bstzhireg, cmpstz, bstz, bistz): New.
3765         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
3766         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
3767         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
3768         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
3769         (h8sx_unary_memory_operator): New function.
3770         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
3771         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
3772         * config/h8300/h8300.md: Add peepholes to combine reloads and
3773         arithmetic insns.
3774         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3775         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
3776         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
3777         (and?i, ior?i, xor?i): Likewise.
3778         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3779         * config/h8300/h8300.c: Move enums and prototypes to head of file.
3780         Various whitespace fixes.
3781         (h8300_constant_length): New function, split out from...
3782         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
3783         (h8300_classify_operand): Use IN_RANGE.
3784         (h8300_classify_operand): Use h8300_constant_length.
3785         (h8300_short_move_mem_p): Tighten size check.
3786         (h8sx_mergeable_memrefs_p): Tighten equality check.
3787         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
3788         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
3789         for -msx.
3790         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
3791         * config/h8300/crtn.asm: Likewise.
3792         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
3793         if __H8300SX__ is defined.
3794         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
3795         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
3796         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
3797         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
3798         addresses as mode-dependent.
3799         * config/h8300/h8300.c (print_operand_address): Update call to
3800         h8300_get_index.
3801         (h8300_get_index): Take a mode argument.  Rework to fix an
3802         earlier misunderstanding.
3803         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
3804         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
3805         into a register if TARGET_H8300SX.
3806         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
3807         TARGET_H8300SX.  Also disable related define_splits.
3808         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
3809         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
3810         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
3811         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
3812         * config/h8300/h8300.h (OK_FOR_Z): New macro.
3813         (EXTRA_CONSTRAINT_STR): Check it.
3814         * config/h8300/h8300.c (h8300_classify_operand): Accept null
3815         class arguments.
3816         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
3817         * config/h8300/h8300.md (length_table): Add mov_imm4.
3818         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
3819         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
3820         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
3821         be a label.
3822         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
3823         * config/h8300/h8300.c (h8300_reorg): New function.
3824         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3825         * config/h8300/h8300.md (length): Subtract the length of the
3826         delay slot from (pc) when checking the range of forward branches.
3827         (delay_slot, can_delay): New attributes.
3828         (define_delay): Add bra/s handling.
3829         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
3830         (jump): Add delayed-branch handling.
3831         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
3832         * expr.c (expand_strcpy): New function.
3833         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
3834         (expand_builtin_stpcpy): Likewise.
3835         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
3836         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
3837         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
3838         handling to improve register allocation for -fno-omit-frame-pointer.
3839         (h8sx_split_movmd): Delete, moving er6 handling into...
3840         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
3841         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
3842         (movmd): Add calls to copy_rtx.
3843         (movmd_internal): In the second alternative, allow the initial and
3844         final destination registers to be different .  Update the splitter
3845         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
3846         instead of h8sx_split_movmd.
3847         (stpcpy, movsd): New expanders.
3848         (movsd_internal): New define_insn.
3849         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
3850         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
3851         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
3852         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
3853         and DESTINATION_REGS.
3854         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3855         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
3856         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
3857         (h8300_move_ratio): Declare.
3858         (MOVE_RATIO): Use it.
3859         * config/h8300/h8300.c (h8300_move_ratio): New variable.
3860         (h8300_init_once): Initialize it.
3861         (h8300_reg_class_from_letter): New function.
3862         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
3863         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
3864         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
3865         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
3866         (movstrsi, movmd): New expanders.
3867         (movmd_internal): New insn.
3868         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
3869         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
3870         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
3871         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
3872         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
3873         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3874         * config/h8300/h8300.c (nibble_operand): Fix warning.
3875         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
3876         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
3877         (movsf_h8300h): Disable for TARGET_H8300SX.
3878         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3879         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
3880         h8300_stm_parallel and h8300_return_parallel.
3881         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
3882         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
3883         h8300_stm_parallel, h8300_return_parallel): New functions.
3884         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
3885         if TARGET_H8300SX.  Use h8300_push_pop.
3886         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
3887         and final pop when generating h8sx code.  Always emit some form
3888         of return insn.
3889         * config/h8300/h8300.md: Don't enforce register alignment in
3890         stm peepholes if TARGET_H8300SX.
3891         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
3892         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
3893         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
3894         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3895         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
3896         (MULTILIB_DIRNAMES): Add a directory for it.
3897         (MULTILIB_MATCHES): Delete.
3898         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
3899         * final.c (walk_alter_subreg): Handle addresses with subregs
3900         inside a ZERO_EXTEND or AND.
3901         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
3902         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
3903         if TARGET_H8300SX.
3904         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
3905         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
3906         @(dd,Rn.w) and @(dd,ERn.L).
3907         (h8300_displacement_size): Take the whole address as argument.
3908         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
3909         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
3910         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
3911         (h8sx_mergeable_memrefs_p): Declare.
3912         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
3913         (HAVE_PRE_INCREMENT): Likewise.
3914         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
3915         addresses for TARGET_H8300SX,
3916         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
3917         and POST_DEC.
3918         (movb_length_table, movl_length_table): New tables.
3919         (movw_length_table): Define to movb_length_table.
3920         (h8300_displacement_size): New, split out from...
3921         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
3922         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
3923         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
3924         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
3925         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
3926         (compute_plussi_length, compute_plussi_cc): Update accordingly.
3927         (h8sx_unary_shift_operator): Get the mode from the operator.
3928         (binary_shift_operator): Likewise.
3929         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
3930         a memory reference, check whether the reference is offsettable.
3931         (length_table): Add movb, movw and movl.
3932         (movqi): Add new h8sx pattern.  Don't force one operand to be a
3933         register when generating h8sx code.
3934         (movhi, movsi, movsf): Likewise.
3935         (movstrictqi): Use the length_table attribute.
3936         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
3937         (addqi3): Split into a define_expand and define_insn.  Don't accept
3938         memory operands in the expander.  Use h8300_operands_match_p to
3939         check for matching operands in the define_insn.
3940         (subqi3, negqi2, one_cmplqi2): Likewise.
3941         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
3942         in any patterns that are unused in h8sx code.  In the h8sx patterns,
3943         use h8300_operands_match_p to check whether operands match.
3944         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
3945         one_cmpl[hs]i3): Likewise.
3946         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
3947         in the expander.
3948         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
3949         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
3950         (h8300_insn_length_from_table): Add a second parameter.
3951         (output_h8sx_shift): Declare.
3952         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
3953         (EXTRA_CONSTRAINT): Replace with...
3954         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
3955         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
3956         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
3957         and h8sx_binary_shift_operator.
3958         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
3959         for TARGET_H8300SX.
3960         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
3961         (bit_memory_operand, fix_bit_operand): Likewise.
3962         (h8300_length_table_for_insn): Remove.
3963         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
3964         instructions.
3965         (h8300_short_immediate_length, h8300_binary_length): New functions.
3966         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
3967         (output_plussi): Use sub to add negative constants.
3968         (compute_plussi_length): Adjust accordingly.
3969         (h8sx_single_shift_type): New enum.
3970         (h8sx_single_shift, h8sx_unary_shift_operator,
3971         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
3972         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
3973         single h8sx instruction.  Return false in this case.
3974         * config/h8300/h8300.md (length_table): Add short_immediate.
3975         (length): Pass the operand array to h8300_insn_length_from_table.
3976         (adjust_length): Assume "no" for insns with a length_table attribute.
3977         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
3978         (*addhi3_h8300hs): Don't use for h8sx.
3979         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
3980         and sub.w #xx:3.
3981         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
3982         1's predicate to nonimmediate_operand.  Only skip default expansion
3983         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
3984         for single h8sx shift instructions.
3985         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
3986         * config/h8300/h8300.c (nibble_operand): Split out of...
3987         (reg_or_nibble_operand): ... this.
3988         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
3989         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
3990         umulhisi3): Introduce expand, and introduce separate insns for
3991         sign- or zero-extended REG and already-extended CONST_INT.
3992         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
3993         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
3994         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
3995         (subhi3): Likewise.  Don't accept immediates for operand 1.
3996         Remove the early clobber from second alternative of the h8300s pattern.
3997         (subsi3): Generalize for h8sx.  Force operand 2 into a register
3998         on plain h8300 targets.
3999         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
4000         (subsi3_h8300h): Generalize for h8sx.
4001         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
4002         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
4003         * config/h8300/h8300.c (reg_or_nibble_operand): New.
4004         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4005         (TARGET_H8300SXMUL): New.
4006         (CONST_OK_FOR_P): New.
4007         (CONST_OK_FOR_LETTER_P): Adjust.
4008         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
4009         umulhisi3): Accept 4-bit immediate on H8SX.
4010         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
4011         (udivsi3, divhi3, udivsi3, divsi3): New.
4012         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
4013         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
4014         * config/h8300/h8300.h (OK_FOR_Q): New macro.
4015         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
4016         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
4017         Add ADDRESSOF to the bit_operand entry.
4018         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
4019         (h8300_src_operand): Likewise.
4020         (bit_operand): Check nonimmediate_operand rather than general_operand.
4021         Accept any nonimmediate_operand in h8sx code.
4022         (h8300_and_costs): Initialize operands[1].
4023         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
4024         (h8300_operand_class): New enum.
4025         (h8300_length_table): New typedef.
4026         (addb_length_table, addw_length_table, addl_length_table,
4027         logicl_length_table): New tables.
4028         (logicb_length_table, logicw_length_table): New macros.
4029         (h8300_classify_operand, h8300_length_from_table,
4030         h8300_length_table_for_insn, h8300_unary_length,
4031         h8300_insn_length_from_table): New functions.
4032         (output_plussi): Only use adds and subs for register destinations.
4033         Disable redundant clause.
4034         (compute_plussi_cc): Likewise.
4035         (compute_plussi_length): Likewise.  Use h8300_length_from_table
4036         to work out the length of an insn.
4037         (output_logical_op): Only use narrower immediate instructions
4038         if the destination is a register.
4039         (compute_logical_op_cc): Likewise.
4040         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
4041         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
4042         * config/h8300/h8300.md (length_table): New attribute.
4043         (length): When an instruction has a length_table attribute, use
4044         h8300_insn_length_from_table to calculate its default length.
4045         (cmpqi): Use h8300_dst_operand for the first operand and
4046         h8300_src_operand for the second.
4047         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
4048         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
4049         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
4050         iorsi3, xorhi3, xorsi3): Likewise.
4051         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
4052         so that it allows any combination of operands for TARGET_H8300SX.
4053         (iorqi3, xorqi3): Likewise.
4054         (cmpqi): Use the length_table attribute.
4055         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
4056         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4057         (cmpqi): Add 'Q' constraint.
4058         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
4059         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4060         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
4061         * config/h8300/h8300.h (MASK_H8300SX): New macro.
4062         (TARGET_H8300S): True for both -ms and -msx.
4063         (TARGET_H8300SX): New macro.
4064         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
4065         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
4066         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
4067         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
4068         [Temporary change.]
4069         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
4070         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
4071         16-bit pointers and 32-bit ints.
4072         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
4073         CONST_DOUBLE with mode no wider than SImode.
4074         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
4075         output operand.
4076         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
4077         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
4078         or SUBREG thereof.
4079         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4080         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
4081         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
4082
4083 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4084
4085         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
4086
4087 2004-07-07  Per Bothner  <per@bothner.com>
4088
4089         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
4090
4091 2004-07-07  Mike Stump  <mrs@apple.com>
4092
4093         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
4094         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
4095         (machopic_finish): Likewise.
4096
4097 2004-07-07  Richard Henderson  <rth@redhat.com>
4098
4099         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
4100         through any value-preserving cast.
4101
4102 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4103
4104         * function.c (assign_parm_find_data_types): Call
4105         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
4106
4107 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4108
4109         * tree-cfg.c (group_case_labels): Remove case labels that have
4110         the same target as the default case.
4111
4112 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4113
4114         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
4115         regardless of DECL_LANG_SPECIFIC being present or not.
4116         * tree.h (DECL_NUM_STMTS): Purge.
4117
4118 2004-07-07  Andrew Pinski  <apinski@apple.com>
4119
4120         * configure: Regenerate with the right autoconf.
4121
4122 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
4123
4124         * ifcvt.c (total_bb_rtx_cost): New function.
4125         (find_if_case_1): Compare rtx_cost of basic block to cost of
4126         BRANCH_COST insns.
4127         (find_if_case_2): Same.
4128
4129 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4130
4131         PR target/10567
4132         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
4133         (output_return): Likewise.
4134         (output_sibcall): Abort if !flag_delayed_branch.
4135         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
4136         (emit_and_preserve): New function.
4137         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
4138         indirect jump to the thunked-to function if !flag_delayed_branch.
4139         * config/sparc/sparc.md (delayed_branch): New attribute.
4140         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
4141         attribute to compute the length of the insn.
4142         (goto_handler_and_restore): Likewise.
4143
4144 2004-07-07  Andrew Pinski  <apinski@apple.com>
4145
4146         PR tree-optimization/15777
4147         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
4148
4149         * expr.c (expand_expr_real_1): Fix formating.
4150         BUFFER_REF and IN_EXPR are dead.
4151         * fold-const.c (non_lvalue): BUFFER_REF is dead.
4152         * tree-inline.c (estimate_num_insns_1): Likewise.
4153         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
4154         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
4155         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
4156
4157 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4158
4159         * collect2.c (dump_file): Don't call cplus_demangle if
4160         HAVE_LD_DEMANGLE is defined.
4161         (main): Pass "--demangle" to ld if no_demangle is not 0 and
4162         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
4163         if HAVE_LD_DEMANGLE is defined.
4164
4165         * configure.ac (--with-demangler-in-ld): Added
4166         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
4167         --with-demangler-in-ld is used.
4168         * config.in: Regenerated.
4169         * configure: Likewise.
4170
4171 2004-07-07  Roger Sayle  <roger@eyesopen.com>
4172
4173         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
4174         for simple floating point operations "fp", double precision
4175         multiplication "dmul", and single and double precision division
4176         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
4177         (ppc630_cost): New table split from ppc620_cost, to distinguish
4178         differences in floating point latencies.
4179         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
4180         (rs6000_rtx_costs): Add support for single and double precision
4181         floating point addition, subtraction, multiplication, division,
4182         fused-multiply-add, fused-multiply-sub, negation, absolute value
4183         and negative absolute value.  Tweak MEM case to use prefered idiom.
4184
4185 2004-07-07  Richard Henderson  <rth@redhat.com>
4186
4187         * tree-flow-inline.h (may_propagate_copy): Move...
4188         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
4189         attempt to copy between types requiring conversion.
4190         * tree-flow.h (may_propagate_copy): Update decl.
4191         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
4192
4193 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
4194
4195         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
4196         from -mtune= option.
4197
4198 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4199
4200         * builtins.c: Rename movstr*, except for movstrict*, to
4201         movmem* and clrstr* to clrmem*.
4202         * expr.c: Likewise.
4203         * expr.h: Likewise.
4204         * genopinit.c: Likewise.
4205         * integrate.c: Likewise.
4206         * local-alloc.c: Likewise.
4207         * optabs.c: Likewise.
4208         * optabs.h: Likewise.
4209         * config/alpha/alpha.h: Likewise.
4210         * config/alpha/alpha.md: Likewise.
4211         * config/arm/arm-protos.h: Likewise.
4212         * config/arm/arm.c: Likewise.
4213         * config/arm/arm.md: Likewise.
4214         * config/avr/avr.md: Likewise.
4215         * config/c4x/c4x.c: Likewise.
4216         * config/c4x/c4x.md: Likewise.
4217         * config/frv/frv.md: Likewise.
4218         * config/i386/i386-protos.h: Likewise.
4219         * config/i386/i386.c: Likewise.
4220         * config/i386/i386.h: Likewise.
4221         * config/i386/i386.md: Likewise.
4222         * config/i860/i860.c: Likewise.
4223         * config/i860/i860.md: Likewise.
4224         * config/ip2k/ip2k.md: Likewise.
4225         * config/ip2k/libgcc.S: Likewise.
4226         * config/ip2k/t-ip2k: Likewise.
4227         * config/m32r/m32r.c: Likewise.
4228         * config/m32r/m32r.md: Likewise.
4229         * config/mcore/mcore.md: Likewise.
4230         * config/mips/mips.c: Likewise.
4231         * config/mips/mips.md: Likewise.
4232         * config/ns32k/ns32k.c: Likewise.
4233         * config/ns32k/ns32k.h: Likewise.
4234         * config/ns32k/ns32k.md: Likewise.
4235         * config/pa/pa.c: Likewise.
4236         * config/pa/pa.md: Likewise.
4237         * config/pdp11/pdp11.h: Likewise.
4238         * config/pdp11/pdp11.md: Likewise.
4239         * config/rs6000/rs6000.c: Likewise.
4240         * config/rs6000/rs6000.md: Likewise.
4241         * config/s390/s390-protos.h: Likewise.
4242         * config/s390/s390.c: Likewise.
4243         * config/s390/s390.md: Likewise.
4244         * config/sh/lib1funcs.asm: Likewise.
4245         * config/sh/sh.c: Likewise.
4246         * config/sh/sh.md: Likewise.
4247         * config/sh/t-sh: Likewise.
4248         * config/sparc/sparc.h: Likewise.
4249         * config/vax/vax.md: Likewise.
4250         * config/xtensa/xtensa.c: Likewise.
4251         * config/xtensa/xtensa.md: Likewise.
4252         * doc/invoke.texi: Likewise.
4253         * doc/md.texi: Likewise.
4254         * doc/rtl.texi: Likewise.
4255
4256 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
4257
4258         PR target/16407
4259         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
4260         * config/mips/mips.c (mips_declare_common_object): New function,
4261         mostly split out from...
4262         (mips_output_aligned_decl_common): ...here.
4263         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
4264         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
4265         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
4266         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
4267
4268 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4269
4270         PR c/16392
4271         * function.c (assign_parms): Fix typo from previous change.
4272
4273 2004-07-07  Jason Merrill  <jason@redhat.com>
4274
4275         PR c++/15815
4276         * doc/extend.texi (C++ Interface): Correct information and
4277         discourage use.
4278
4279 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
4280
4281         PR target/16130
4282         PR target/16142
4283         PR target/16143
4284         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
4285         insn.
4286
4287 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4288
4289         PR target/1679.
4290         * config/m32r/m32r.c (m32r_function_symbol): New function:
4291         Generate a symbol name RTX with the correct m32r specific flags
4292         set.
4293         (block_move_call): Use new function to generate correct symbol.
4294         * config/m32r/m32r-protos.h: Add prototype for new funcion.
4295         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
4296         function.
4297
4298 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4299
4300         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
4301         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
4302         TYPE_BINFO_BASETYPE): Remove.
4303         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
4304         to ...
4305         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
4306         here.
4307         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
4308         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
4309         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
4310         (struct tree_binfo): Rename base_types to base_binfos.
4311         * alias.c (record_component_aliases): Adjust BINFO macros.
4312         * dbxout.c (dbxout_type): Likewise.
4313         * dwarf2out.c (gen_member_die): Likewise.
4314         * sdbout.c (sdbout_one_type): Likewise.
4315         * tree-dump.c (deque_and_dump): Likewise.
4316         * config/i386/i386.c (classify_argument,
4317         contains_128bit_aligned_vector_p): Likewise.
4318
4319 2004-07-07  Nick Clifton  <nickc@redhat.com>
4320
4321         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
4322         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
4323
4324 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4325
4326         * vec.h: Fix the example use.
4327
4328 2004-07-06  Richard Henderson  <rth@redhat.com>
4329
4330         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
4331         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
4332         * tree-inline.c (copy_body_r, setup_one_parameter,
4333         initialize_inlined_parameters, expand_call_inline,
4334         declare_inline_vars): Don't check it.
4335         (expand_calls_inline): Remove old version, rename new version
4336         from gimple_expand_calls_inline.
4337         * tree-optimize.c (execute_gimple): Remove.
4338         (pass_gimple): Don't run anything.
4339
4340 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4341
4342         * doc/sourcebuild.texi: Use semicolons instead of commas in
4343         section title.
4344
4345 2004-07-06  Richard Henderson  <rth@redhat.com>
4346
4347         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
4348         (sra_walk_modify_expr, scan_init): Likewise.
4349         (generate_element_zero): Check visited before scanning children.
4350         (generate_element_init): Set visited on error.
4351         (scalarize_init): Handle generate_element_init failure similar
4352         to use_block_copy.
4353
4354 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4355
4356         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
4357         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
4358
4359 2004-07-06  Richard Henderson  <rth@redhat.com>
4360
4361         * config/i386/i386.c (legitimize_pic_address): Make static.
4362         (legitimize_address): Handle CONST with TLS operand.
4363         (ix86_expand_move): Don't call legitimize_pic_address directly.
4364         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
4365
4366 2004-07-06  Roger Sayle  <roger@eyesopen.com>
4367
4368         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
4369         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
4370         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
4371         is currently executed unconditionally, i.e. not in "else_bb".
4372
4373 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4374
4375         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
4376         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4377         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
4378         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4379         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
4380         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4381         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
4382         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4383         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
4384         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4385         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
4386         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4387         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
4388         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4389         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
4390         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4391
4392 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4393
4394         * dojump.c (do_jump): REFERENCE_EXPR is dead.
4395         * expr.c (expand_expr_real_1): Ditto.
4396         * tree-inline.c (estimate_num_insns_1): Ditto.
4397         * tree-pretty-print.c (dump_generic_node): Ditto.
4398         (op_symbol): Ditto.
4399         * tree.def: Ditto.
4400
4401 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4402
4403         * tree-ssa-pre.c (reference_node_pool): New pool.
4404         (find_or_generate_expression): Class 'r' is okay too.
4405         (create_value_expr_from): Ditto.
4406         (add_to_sets): LHS should not include vuses.
4407         (eliminate): Ditto.
4408         (compute_avail): Reverse ordering of tests.
4409         Valuize INDIRECT_REF as well.
4410
4411 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
4412
4413         PR rtl-optimization/16380
4414         * loop.c (check_dbra_loop): Sink comparison instructions if they
4415         do something other than set cc0.
4416
4417 2004-07-06  James E Wilson  <wilson@specifixinc.com>
4418
4419         * doc/interface.texi (longjmp and automatic variables): Delete
4420         paragraph recommending taking the address of a variable.
4421
4422 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4423
4424         * vec.h (VEC_embedded_alloc): Remove.
4425         (VEC_embedded_size, VEC_embedded_init): New.
4426         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
4427         MEM_STAT_INFO.
4428         (VEC_truncate): New.
4429         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
4430         (vec_embedded_alloc): Remove.
4431         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
4432         (vec_embedded_alloc): Remove.
4433
4434 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
4435
4436         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
4437         (gt-langhooks.h): Remove.
4438
4439 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
4440
4441         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
4442
4443 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4444
4445         * config/sparc/sparc.c (get_pc_symbol): Rename into
4446         add_pc_to_pic_symbol.
4447         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
4448         (load_pic_register): Account for previous changes.
4449         Use reg_names.  Don't create the label twice.
4450         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
4451         UNSPEC_LOAD_PCREL_SYM.
4452         (get_pc): Rename into load_pcrel_sym.  Add predicate to
4453         operands.  Remove condition.
4454
4455 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4456
4457         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
4458         RECORD, UNION & QUAL_UNION is actually a binfo.
4459
4460         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
4461         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
4462         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
4463         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
4464         * dwarf2out.c (add_data_member_location_attribute): Likewise.
4465         (gen_inheritance_die): Likewise.
4466         * tree-dump.c (deque_and_dump): Likewise.
4467         * doc/c-tree.texi (Binfos): Add under reconstruction note.
4468
4469 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4470
4471         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4472         Define.
4473         * config/mcore/mcore.md: Model memory latency with a simple DFA
4474         pipeline description instead of a define_function_unit.
4475
4476 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4477
4478         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
4479         * langhooks.h (var_mod_type_p): Likewise.
4480         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
4481         * expr.c (count_type_elements): Properly handle return from
4482         array_type_nelts and properly test for overflow.
4483         * gimplify.c (gimplify_init_constructor): Properly handle return
4484         from array_type_nelts.
4485         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
4486         * integrate.c (copy_decl_for_inlining): Correct comments.
4487         * tree-inline.c (remap_decl): Update comments, remove dead code,
4488         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
4489         (remap_type): Only remap if variably modified by vars in function
4490         being inlined.
4491         (copy_body_r): Use compatible_type langhooks to see when can fold.
4492         (setup_one_parameter): Don't remap type.
4493         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
4494         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
4495         compute TREE_INVARIANT for decl case.
4496         (find_var_from_fn): New function.
4497         (variably_modified_type_p): Add arg and call new function.
4498         * tree.h (variably_modified_type_p): Add extra arg.
4499
4500 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4501
4502         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
4503         (goto_handler_and_restore_v9): Delete disabled insn.
4504         (goto_handler_and_restore_v9_sp64): Likewise.
4505
4506 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4507
4508         * calls.c (load_register_parameters): Call expand_shift instead
4509         of expand_binop with ashl_optab (or other shift optab) directly.
4510         * expr.c (emit_group_load, emit_group_store): Likewise.
4511         * function.c (assign_parm_setup_block): Likewise.
4512         * stmt.c (shift_return_value): Likewise.
4513
4514 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
4515
4516         * expr.c (expand_assignment): Disable the bitfield += optimizations.
4517
4518 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4519
4520         * doc/sourcebuild.texi: Revert previous patch.
4521
4522 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4523
4524         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
4525         TARGET_MEM_FUNCTIONS.
4526         * system.h: Poison TARGET_MEM_FUNCTIONS.
4527         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
4528         bcmp_libfunc, bzero_libfunc): Remove.
4529         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
4530         bzero_libfunc.
4531         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
4532         * doc/standards.texi: Don't mention calling BSD string functions.
4533         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
4534         * config/vax/t-memfuncs: New.
4535         * config/memcmp.c, config/memcpy.c, config/memmove.c,
4536         config/memset.c: New.
4537         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
4538         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
4539         vax/t-memfuncs.
4540         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
4541         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
4542         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
4543         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
4544         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
4545         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
4546         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
4547         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
4548         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
4549         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
4550
4551 2004-07-05  Richard Henderson  <rth@redhat.com>
4552
4553         * function.c (assign_parm_setup_reg): Properly rename variables in
4554         FUNCTION_ARG_CALLEE_COPIES section.
4555
4556 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
4557
4558         * tree-mudflap.c: Include cgraph.h.
4559         (mf_init_extern_trees): Rename to mudflap_init.  Export.
4560         Rewrite to create synthetic declarations instead of looking
4561         up declarations from mf-runtime.h.
4562         (mf_make_builtin, mf_make_cache_struct_type): New functions.
4563         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
4564         Correct commentary.
4565         (execute_mudflap_function_decls, mudflap_register_call):
4566         Don't call mf_init_extern_trees.
4567         (mudflap_finish_file): Use cgraph_build_static_cdtor.
4568
4569         * tree-mudflap.h: Update prototypes.
4570         * c-mudflap.c: Delete file.
4571         * c-common.c: Include tree-mudflap.h.
4572         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
4573         * Makefile.in: Remove all references to c-mudflap.o.
4574         Update dependencies.
4575
4576 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4577
4578         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
4579         displacements with the spatial-locality cache-control completer.
4580
4581 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
4582
4583         * langhooks.c: Don't include gt-langhooks.h.
4584         (var_labelno): Delete.
4585         (lhd_set_decl_assembler_name): Do not append a distinguishing
4586         number to file-scope internal-linkage declarations for the first
4587         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
4588         the declaration itself (if at block scope), or its containing
4589         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
4590         number.
4591
4592         * opts.c (cur_in_fname): New global.
4593         * opts.h: Declare it.
4594         * tree.c: Include opts.h.
4595         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
4596         DECL_UID equal to cur_in_fname.
4597         (copy_node_stat): Do not change DECL_UID when copying a
4598         TRANSLATION_UNIT_DECL.
4599         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
4600         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
4601
4602         * c-decl.c (c_static_assembler_name): Delete.
4603         * c-tree.h (c_static_assembler_name): Delete prototype.
4604         * c-lang.c, objc/objc-lang.c: Don't override
4605         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
4606
4607         * Makefile.in (tree.o): Update dependencies.
4608         (GTFILES): Remove langhooks.c.
4609
4610 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4611
4612         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
4613         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
4614         Normalize "X % C" as "X % -C" for signed modulus and negative C.
4615         Optimize "X % -Y" as "X % Y" for signed modulus.
4616         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
4617         into "((unsigned) X % Y) == 0".
4618
4619 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4620
4621         * sourcebuild.texi (Config Fragments): Use @comma{} in
4622         cross-reference to section title.
4623
4624 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4625
4626         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
4627         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
4628         (gimplify_target_expr, gimplify_expr): Likewise.
4629         (copy_if_shared_r): No longer need special case for BIND_EXPR.
4630         (unshare_body, unvisit_body): Only look at nested if BODY_P is
4631         whole function.
4632         (gimplify_compound_lval): See if we can strip any useless conversion.
4633         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
4634         from RHS, not LHS.
4635         (gimplify_modify_expr_to_memset): Likewise.
4636         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
4637         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
4638         (declare_inline_vars): Likewise.
4639         (walk_type_fields): New function.
4640         (walk_tree): Use it.
4641         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
4642
4643         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
4644         (sra_walk_modify_expr): Allow init function to fail.
4645         (scan_init): Now returns bool.
4646         (generate_element_init): If can't understand INIT, return false.
4647         (scalarize_init): Return false if generate_element_init does.
4648
4649         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
4650         print bounds.
4651
4652         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
4653         bounds if bounds aren't constant.
4654
4655         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
4656
4657         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
4658         to type hooks; remove bogus PARAMS.
4659
4660 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
4661
4662         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
4663         * dwarf2out.c (add_data_member_location_attribute): Check for
4664         TREE_BINFO.
4665         * tree.c (tree_node_kinds): Add "binfos".
4666         (binfo_lang_slots): New.
4667         (make_node_stat): Add TREE_BINFO.
4668         (make_tree_binfo_stat): New.
4669         (tree_node_structure): Add TREE_BINFO.
4670         * tree.def (TREE_BINFO): New.
4671         * tree.h (REC_OR_UNION_CHECK): Rename to ...
4672         (RECORD_OR_UNION_CHECK): ... here.
4673         (NOT_RECORD_OR_UNION_CHECK): New.
4674         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
4675         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
4676         RECORD_OR_UNION_CHECK.
4677         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
4678         (TYPE_LANG_SLOT_1): New.
4679         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
4680         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
4681         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
4682         (BINFO_ELTS): Remove.
4683         (BINFO_LANG_SLOT): New.
4684         (struct tree_binfo): New.
4685         (binfo_lang_slots): Declare.
4686         (enum tree_node_structure_enum): Add TS_BINFO.
4687         (union tree_node): Add binfo.
4688         (make_tree_binfo_stat): Declare.
4689         (make_tree_binfo): New.
4690         (enum tree_node_kind): Add binfo_kind.
4691
4692         * objc/objc-act.c (start_class, objc_declare_protocols,
4693         start_protocols): Use TYPE_LANG_SLOT_1.
4694         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
4695         to ...
4696         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
4697         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
4698         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
4699         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
4700
4701 2004-07-05  Steven Bosscher  <stevenb@suse.de>
4702
4703         * rtl.h (struct rtx_def): Remove the integrated flag.
4704         Use the return_val flag for MEM_SCALAR_P.
4705         Reshuffle and update flags in CLEAR_RTX_FLAGS.
4706
4707 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
4708
4709         PR target/16357
4710         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
4711         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
4712         move_by_pieces.
4713
4714 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
4715
4716         * var-tracking.c: Fix some comments.
4717         (frame_stack_adjust): New.
4718         (vt_stack_adjustments): Init stack_adjust of entry block to
4719         minus stack adjustment of function prologue.
4720         (adjust_stack_reference): Do not adjust if adjustment == 0.
4721         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
4722         (emit_notes_in_bb): Likewise.
4723         (vt_add_function_parameters): Do not adjust locations of
4724         function arguments.
4725         (vt_initialize): Compute the stack adjustment of function
4726         prologue and offset the initial "location" of frame_base_decl
4727         from the stack pointer after prologue.
4728
4729 2004-07-04  Richard Henderson  <rth@redhat.com>
4730
4731         * function.c (struct assign_parm_data_all): New.
4732         (struct assign_parm_data_one): New.
4733         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
4734         assign_parm_find_data_types, assign_parms_setup_varargs,
4735         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
4736         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
4737         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
4738         assign_parm_setup_block, assign_parm_setup_reg,
4739         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
4740         (assign_parms): ... here.
4741
4742 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
4743
4744         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
4745         now are bitmap_set_t's.
4746         (bitmap_insert_into_set): No point in inserting the value if
4747         it's invariant.
4748         (bitmap_set_contains): New function.
4749         (bitmap_set_replace_value): Add comment on why we do it
4750         this way.
4751         (set_contains): Removed.
4752         (bitmap_set_subtract_from_value_set): New name of
4753         set_subtract now that it's arguments are two different
4754         types of sets.
4755         Update callers.
4756         (bitmap_find_leader): Change algorithm used.
4757         (find_or_generate_expression): Update use of functions for new
4758         bitmap sets.
4759         (create_expression_by_pieces): Ditto.
4760         (insert_aux): Ditto.
4761         (insert): Ditto.
4762         (add_to_sets): Ditto.
4763         (init_pre): Ditto.
4764         (execute_pre): Ditto.
4765         (compute_avail): Ditto.
4766         Also ignore virtual phis.
4767
4768 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
4769
4770         * combine.c (simplify_comparison): Fix comment typo.
4771
4772 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4773
4774         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
4775         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
4776         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
4777         (output_restore): Change parameter from 'insn' to 'pat'.
4778         (output_return): Adjust call to output_restore.
4779         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
4780         Adjust call to output_restore.
4781
4782 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
4783
4784         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
4785         and assert system is bsd.
4786
4787 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
4788
4789         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
4790         (TARGET_SWITCHES): Remove -mdebugc.
4791         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
4792         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
4793         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
4794         (sle_[sd]i_reg): Delete.
4795
4796 2004-07-04  Steven Bosscher  <stevenb@suse.de>
4797
4798         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4799         Define.
4800         * config/iq2000/iq2000.md: Translate old pipeline description to an
4801         equivalent new one.
4802
4803 2004-07-04  Roger Sayle  <roger@eyesopen.com>
4804
4805         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
4806         Ensure the replacement rhs is valid gimple before performing
4807         the substitution.  Return false if these sanity checks fail.
4808         (fold_stmt): Only set changed to true, if set_rhs returns true.
4809         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
4810         succeeds.
4811
4812 2004-07-04  Richard Henderson  <rth@redhat.com>
4813
4814         PR c/16348
4815         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
4816
4817 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
4818
4819         * configure.ac (ranlib_flags): New variable.
4820         * Makefile.in (RANLIB_FLAGS): New variable.
4821         (libbackend.a): Use it.
4822         * configure: Regenerated.
4823
4824 2004-07-04  Roger Sayle  <roger@eyesopen.com>
4825
4826         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
4827         a "sign mask" instead of using ashr_optab directly.
4828
4829 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
4830
4831         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
4832         * doc/cppopts.texi: Clarify processing of command-line defines.
4833
4834 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
4835
4836         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
4837
4838 2004-07-04  Richard Henderson  <rth@redhat.com>
4839
4840         * rtl.def (ADDRESSOF): Remove.
4841         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
4842         (find_base_term, memrefs_conflict_p): Likewise.
4843         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
4844         (fold_rtx, cse_insn, set_live_p): Likewise.
4845         * dwarf2out.c (mem_loc_descriptor): Likewise.
4846         (add_location_or_const_value_attribute): Likewise.
4847         * emit-rtl.c (copy_insn_1): Likewise.
4848         * explow.c (memory_address): Likewise.
4849         * expmed.c (store_split_bit_field): Likewise.
4850         * expr.c (expand_expr_real_1): Likewise.
4851         * function.c (instantiate_decl
4852         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
4853         * genrecog.c (preds, validate_pattern): Likewise.
4854         * integrate.c (copy_rtx_and_substitute): Likewise.
4855         * recog.c (general_operand, register_operand): Likewise.
4856         (memory_address_p): Likwise.
4857         * reload1.c (eliminate_regs, elimination_effects): Likewise.
4858         * rtl.c (copy_rtx): Likewise.
4859         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
4860         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
4861         * rtlhooks.c (gen_lowpart_general): Likewise.
4862         * stmt.c (expand_asm_operands): Likewise.
4863         * web.c (entry_register, replace_ref, web_main): Likewise.
4864         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
4865         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4866         * config/arm/arm.c (thumb_rtx_costs): Likewise.
4867         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
4868         * config/frv/frv.c (move_destination_operand, move_source_operand,
4869         condexec_dest_operand, condexec_source_operand,
4870         condexec_memory_operand): Likewise.
4871         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
4872         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
4873         (destination_xfmode_operand): Likewise.
4874         * config/mips/mips.h (PREDICATE_CODES): Likewise.
4875         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
4876         * config/s390/s390.c (general_s_operand): Likewise.
4877         * config/s390/s390.md (mov*): Likewise.
4878         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
4879
4880         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
4881         * expr.c (expand_expr_real_1): Likewise.
4882         * stmt.c (expand_decl): Likewise.
4883         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
4884
4885         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
4886         postponed_insns, put_var_into_stack, put_reg_into_stack,
4887         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
4888         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
4889         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
4890         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
4891         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
4892         purge_bitfield_addressof_replacements, purge_addressof_replacements,
4893         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
4894         struct insns_for_mem_walk_info, insns_for_mem_walk,
4895         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
4896         setjmp_protect_args): Remove.
4897         (push_function_context_to): Don't handle var_refs_queue.
4898         (pop_function_context_from, free_after_compilation): Likewise.
4899         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
4900         (assign_parms, allocate_struct_function): Likewise.
4901         (use_register_for_decl): New.
4902         (expand_function_end): Don't setjmp_protect.
4903         * function.h (struct emit_status): Update commentary.
4904         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
4905         (max_parm_reg, parm_reg_stack_loc): Remove.
4906         * passes.c (DFI_addressof): Remove.
4907         (dump_file_info): Remove addressof.
4908         (rest_of_handle_addressof): Remove.
4909         (rest_of_compilation): Don't call it.
4910         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
4911         * stmt.c (expand_decl): Use use_register_for_decl.
4912         * tree.h: Update decls.
4913         * web.c (mark_addressof): Remove.
4914         * doc/invoke.texi (-dF): Remove.
4915
4916 2004-07-03  Richard Henderson  <rth@redhat.com>
4917
4918         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
4919         instead of gen_mem_addressof.
4920         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
4921         TImode output register.
4922
4923 2004-07-03  Richard Henderson  <rth@redhat.com>
4924
4925         PR tree-optimization/16341
4926         * tree-sra.c (sra_walk_function): Increment to next stmt before
4927         processing the current stmt.
4928         (sra_insert_after): Always use BSI_SAME_STMT.
4929
4930 2004-07-03  Richard Henderson  <rth@redhat.com>
4931
4932         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
4933         fp plus with minus.
4934
4935 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4936
4937         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
4938         with tree_int_cst_equal.
4939
4940 2004-07-03  Andreas Schwab  <schwab@suse.de>
4941
4942         * config/ia64/ia64.md: Define new attribute "empty".
4943         (prologue_use, nop_x, insn_group_barrier): Set it.
4944
4945         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
4946         skip over "empty" insns.
4947
4948 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4949
4950         * tree-inline.c (initialize_inlined_parameters): Pass proper function
4951         context to gimplify_body.
4952         (walk_tree): Don't walk into types twice.
4953         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
4954
4955         * tree-sra.c (generate_element_init): Remove any useless conversions.
4956
4957         * gimplify.c (gimplify_conversion): Remove stripping useless
4958         conversions from here.
4959         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
4960         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
4961         Unshare before substituting PLACEHOLDER_EXPR.
4962         (gimplify_modify_expr_to_memset): Likewise.
4963         Pass address of TO to memset, not TO itself.
4964         (gimplify_init_constructor): Make copy of OBJECT so we have it each
4965         time we make an expression (to match a PLACEHOLDER_EXPR).
4966
4967         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
4968         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
4969         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
4970         * tree-ssa-dom.c (local_fold): Likewise.
4971
4972         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
4973         * langhooks.h (strct lang_hooks): New field type_max_size.
4974         * function.c (assign_temp): Call it.
4975
4976 2004-07-03  Steven Bosscher  <stevenb@suse.de>
4977
4978         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
4979         * config/sh/sh.md: Convert the SH1 pipeline description to
4980         a DFA model.
4981
4982 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
4983
4984         * c-decl.c (struct c_binding): Remove contour field; add
4985         depth, invisible, nested fields.
4986         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
4987         (B_IN_EXTERNAL_SCOPE): New convenience macros.
4988         (bind): Add invisible and nested arguments. Initialize
4989         new fields of struct c_binding; adjust loop scanning for
4990         insertion point.
4991         (free_binding_and_advance): Clear structure with memset.
4992         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
4993         in file scope, even if it's in external scope too.
4994         (pushdecl): Adjust to match.  Create invisible file-scope
4995         declarations for block-scope forward declarations of static functions.
4996         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
4997         (undeclared_variable, lookup_label, declare_label, define_label)
4998         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
4999         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
5000         (store_parm_decls_oldstyle): Adjust to match.
5001         (diagnose_mismatched_decls): Correct handling of linkage clashes.
5002         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
5003
5004         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
5005         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
5006
5007 2004-07-02  Richard Henderson  <rth@redhat.com>
5008
5009         * c-decl.c (grokdeclarator): Don't frob current_function_decl
5010         around variable_size.
5011         (set_decl_nonlocal): Remove.
5012         (store_parm_decls): Add stmts for pending sizes.
5013         * calls.c (calls_function, calls_function_1): Remove.
5014         (precompute_arguments): Don't call it.
5015         * cfgexpand.c (set_save_expr_context): Remove.
5016         (tree_expand_cfg): Don't call it.
5017         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
5018         (dwarf2out_finish): Likewise.
5019         * expr.c (emit_block_move): Adjust addresses to BLKmode.
5020         (store_constructor): Don't pre-evaluate SAVE_EXPR.
5021         (safe_from_p): Don't queue SAVE_EXPRs.
5022         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
5023         or build plain VAR_DECLs.
5024         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
5025         (fold): Likewise.
5026         (fold_checksum_tree): Don't special-case SAVE_EXPR.
5027         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
5028         (put_var_into_stack): Don't handle SAVE_EXPR.
5029         (gen_mem_addressof): Likewise.
5030         * function.h (struct function): Remove x_save_expr_regs.
5031         (save_expr_regs): Remove.
5032         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
5033         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
5034         * stor-layout.c (variable_size): Don't set it.
5035         (force_type_save_exprs, force_type_save_exprs_1): Remove.
5036         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
5037         all callers.  Don't set SAVE_EXPR_CONTEXT.
5038         * tree-inline.h (remap_save_expr): Update decl.
5039         * tree.c (save_expr): Update build size.
5040         (first_rtl_op): Don't handle SAVE_EXPR.
5041         (unsave_expr_1, contains_placeholder_p): Likewise.
5042         (decl_function_context): Likewise.
5043         * tree.def (SAVE_EXPR): Remove args 1 and 2.
5044         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
5045         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
5046
5047 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5048
5049         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
5050         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
5051         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
5052         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
5053         some first-person references and patronizing comments.  Based on
5054         printed manual.
5055         * doc/invoke.texi: Don't reference fortran@gnu.org.
5056         * doc/trouble.texi (Warning when a non-void function value is
5057         ignored): Rewrite.  From Russ Allbery and Chris Devers.
5058
5059 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
5060
5061         * tree-ssa-pre.c (bitmap_set_t): New.
5062         (bb_value_sets): avail_out is now a bitmap_set_t.
5063         (bitmap_find_leader): New function.
5064         (bitmap_value_insert_into_set): Ditto.
5065         (bitmap_set_copy): Ditto.
5066         (bitmap_value_replace_in_set): Ditto.
5067         (bitmap_set_contains_value): Ditto.
5068         (bitmap_set_new): Ditto.
5069         (bitmap_set_pool): New pool.
5070         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
5071         (insert_aux): Ditto.
5072         (add_to_sets): Ditto.
5073         (compute_avail): Ditto
5074         (eliminate): Ditto.
5075         (init_pre): Ditto.
5076         (fini_pre): Ditto.
5077         (execute_pre): Ditto.
5078
5079 2004-07-02  Roger Sayle  <roger@eyesopen.com>
5080
5081         * config/rs6000/rs6000.c (struct processor_costs): New structure
5082         used to hold instruction latencies/sizes for processor types.
5083         (rs6000_cost): New global variable pointing to current CPU's costs.
5084         (rs6000_override_options): Initialize rs6000_cost to point to the
5085         appropriate cost table based upon rs6000_cpu and optimize_size.
5086         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
5087         timings inline.
5088
5089 2004-07-02  Richard Henderson  <rth@redhat.com>
5090
5091         * expmed.c (make_tree): Don't use SET_DECL_RTL.
5092
5093 2004-07-02  Steven Bosscher  <stevenb@suse.de>
5094
5095         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
5096
5097 2004-07-01  Richard Henderson  <rth@redhat.com>
5098
5099         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
5100         (alpha_gp_save_rtx): Use assign_stack_local instead of
5101         gen_mem_addressof.
5102
5103 2004-07-01  Richard Henderson  <rth@redhat.com>
5104
5105         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
5106         (alpha_rtx_cost_data): Update to match.
5107         (alpha_rtx_cost_size): New.
5108         (alpha_rtx_costs): Honor optimize_size.
5109
5110 2004-07-01  Richard Henderson  <rth@redhat.com>
5111
5112         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
5113         * cfgexpand.c (tree_expand_cfg): Do it here.
5114         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
5115         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
5116         * config/mips/mips.c (mips_output_mi_thunk): And here.
5117         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
5118         * config/sh/sh.c (sh_output_mi_thunk): And here.
5119         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
5120
5121 2004-07-01  Richard Henderson  <rth@redhat.com>
5122
5123         * tree.def (RTL_EXPR): Remove.
5124         * c-typeck.c (lvalue_p): Don't handle it.
5125         * expr.c (safe_from_p): Likewise.
5126         (expand_expr_real_1): Likewise.
5127         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
5128         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
5129         * gengtype.c (adjust_field_tree_exp): Likewise.
5130         * stmt.c (warn_if_unused_value): Likewise.
5131         * tree-gimple.c (recalculate_side_effects): Likewise.
5132         * tree-pretty-print.c (dump_generic_node): Likewise.
5133         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
5134         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
5135         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
5136
5137         * stmt.c (struct stmt_status): Remove x_last_expr_type,
5138         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
5139         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
5140         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
5141         all the bits that tracked last_expr.
5142         (expand_end_bindings): Don't track last_expr.
5143         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
5144         (clear_last_expr): Remove.
5145         (expand_asm): Don't call it.
5146         (expand_asm_operands, expand_end_cond): Likewise.
5147         (expand_naked_return, expand_null_return_1): Likewise.
5148         * c-typeck.c (c_begin_compound_stmt): Likewise.
5149         * cfgexpand.c (expand_block): Use expand_expr_stmt.
5150         * expr.c (expand_expr_real_1): Likewise.
5151         * tree.h: Update prototypes.
5152
5153         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
5154         (struct emit_status): Remove sequence_rtl_expr.
5155         (struct function): Remove x_rtl_expr_chain.
5156         (seq_rtl_expr, rtl_expr_chain): Remove.
5157         * function.c (struct temp_slot): Remove rtl_expr.
5158         (assign_stack_temp_for_type): Don't set it.
5159         (free_temp_slots, pop_temp_slots): Don't check it.
5160         (free_after_compilation): Don't clear x_rtl_expr_chain.
5161         (fixup_var_refs): Don't search it.
5162         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
5163         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
5164         or seq_rtl_expr.
5165         (push_topmost_sequence): Likewise.
5166         (end_sequence, init_emit): Likewise.
5167         (start_sequence_for_rtl_expr): Remove.
5168         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
5169         * rtl.h (preserve_rtl_expr_result): Remove.
5170
5171 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
5172
5173         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
5174         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
5175         typos.
5176
5177 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5178
5179         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
5180         (STANDARD_STARTFILE_PREFIX_2): Define.
5181         (standard_startfile_prefix_1): Initialize to
5182         STANDARD_STARTFILE_PREFIX_1.
5183         (standard_startfile_prefix_2): Initialize to
5184         STANDARD_STARTFILE_PREFIX_2.
5185         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
5186         (STANDARD_STARTFILE_PREFIX_1): Define.
5187         (STANDARD_STARTFILE_PREFIX_2): Define.
5188         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
5189         (STANDARD_STARTFILE_PREFIX_2): Document.
5190
5191 2004-07-01  Richard Henderson  <rth@redhat.com>
5192
5193         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
5194         in order to disable scalarization.  Instead set a flag and wait
5195         for a candidate decl.
5196
5197 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5198
5199         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
5200         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
5201         Use terminology "testsuite" and "enumerated".
5202
5203 2004-07-01  Richard Henderson  <rth@redhat.com>
5204
5205         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
5206         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
5207         (initial_return_save): Likewise.
5208         (flush_queued_reg_saves): Remap register numbers.
5209         (dwarf2out_return_reg): Likewise.
5210
5211 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5212
5213         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
5214
5215         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
5216         access functions for lower bound and element size and only output
5217         if lower bound nonzero or element size not same as that of type.
5218         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
5219
5220 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5221
5222         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
5223
5224 2004-07-01  Per Bothner  <per@bothner.com>
5225
5226         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
5227
5228 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
5229
5230         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
5231         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
5232         first operand.  Don't optimize if the bitfield is volatile.
5233
5234 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5235
5236         * c-pretty-print.c (pp_c_postfix_expression): Handle
5237         floating-point comparison operators.
5238         (pp_c_expression): Pass floating-point comparison
5239         operators to pp_c_postfix_expression.
5240
5241 2004-07-01  Roger Sayle  <roger@eyesopen.com>
5242
5243         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
5244         rtx_cost instead of "had_mult" to determine whether the transformed
5245         expression is cheaper than the original.
5246
5247 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
5248
5249         * alias.c (get_alias_set, canon_rtx, get_addr,
5250         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
5251         Use MEM_P.
5252         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
5253         expand_builtin): Likewise.
5254         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
5255         Likewise.
5256         * combine.c (can_combine_p, combinable_i3pat, try_combine,
5257         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
5258         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
5259         record_dead_and_set_regs_1, get_last_value_validate,
5260         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
5261         * cse.c (check_dependence, canon_hash, equiv_constant,
5262         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
5263         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
5264         count_reg_usage): Likewise.
5265         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
5266         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
5267         cselib_record_sets): Likewise.
5268         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
5269         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
5270         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
5271         * df.c (df_uses_record): Likewise.
5272         * dojump (do_jump): Likewise.
5273         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
5274         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
5275         decl_start_label): Likewise.
5276         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
5277         operand_subword, change_address_1, make_safe_from): Likewise.
5278         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
5279         stabilize, force_not_mem): Likewise.
5280         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
5281         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
5282         * expr.c (convert_move, convert_modes, emit_block_move,
5283         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
5284         emit_move_insn_1, expand_assignment, store_expr,
5285         store_constructor_field, store_constructor, store_field,
5286         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
5287         Likewise.
5288         * final.c (cleanup_subreg_operands, alter_subreg,
5289         get_mem_expr_from_op): Likewise.
5290         * flow.c (notice_stack_pointer_modification_1,
5291         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
5292         Likewise.
5293         * function.c (mark_temp_addr_taken, preserve_temp_slots,
5294         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
5295         optimize_bit_field, flush_addressof, purge_addressof_1,
5296         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
5297         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
5298         keep_stack_depressed): Likewise.
5299         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
5300         noce_process_if_block, find_memory): Likewise.
5301         * integrate.c (subst_constants, allocate_initial_values): Likewise.
5302         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
5303         update_equiv_regs): Likewise.
5304         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
5305         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
5306         * optabs.c (expand_abs, emit_unop_insn): Likewise.
5307         * passes.c (rest_of_handle_final): Likewise.
5308         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
5309         move2add_note_store): Likewise.
5310         * ra-build.c (detect_remat_webs): Likewise.
5311         * ra-debug.c (dump_static_insn_cost): Likewise.
5312         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
5313         * recog.c (validate_change, apply_change_group, cancel_changes,
5314         validate_replace_rtx_1, general_operand, register_operand,
5315         nonmemory_operand, push_operand, pop_operand, memory_operand,
5316         indirect_operand, asm_operand_ok, offsettable_memref_p,
5317         offsettable_nonstrict_memref_p, constrain_operands,
5318         store_data_bypass_p): Likewise.
5319         * reg-stack.c (subst_stack_regs_pat): Likewise.
5320         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
5321         copy_cost, reg_scan_mark_refs): Likewise.
5322         * regmove.c (optimize_reg_copy_3, stack_memref_p,
5323         combine_stack_adjustments_for_block): Likewise.
5324         * regrename.c (copyprop_hardreg_forward_1): Likewise.
5325         * reload.c (can_reload_into, push_reload, decompose, immune_p,
5326         find_reloads, find_reloads_address, find_reloads_address_1,
5327         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
5328         find_equiv_reg): Likewise.
5329         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
5330         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
5331         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
5332         delete_address_reloads): Likewise.
5333         * resource.c (mark_referenced_resources): Likewise.
5334         * rtlanal.c (get_jump_table_offset, count_occurrences,
5335         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
5336         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
5337         num_sign_bit_copies1): Likewise.
5338         * rtlhooks.c (gen_lowpart_general): Likewise.
5339         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5340         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
5341         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
5342         sdbout_global_decl): Likewise.
5343         * simplify-rtx.c (simplify_subreg): Likewise.
5344         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
5345         expand_anon_union_decl, expand_end_case_type): Likewise.
5346         * unroll.c (calculate_giv_inc): Likewise.
5347         * var-tracking.c (stack_adjust_offset_pre_post,
5348         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
5349         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
5350         vt_add_function_parameters): Likewise.
5351         * varasm.c (make_var_volatile, notice_global_symbol,
5352         assemble_external, decode_addr_const, mark_weak,
5353         default_encode_section_info): Likewise.
5354
5355 2004-07-01  Steven Bosscher  <stevenb@suse.de>
5356
5357         * stmt.c (check_seenlabel): Remove.
5358         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
5359
5360 2004-07-01  Richard Henderson  <rth@redhat.com>
5361
5362         * function.h (struct function): Remove x_function_call_count.
5363         (function_call_count): Remove.
5364         * calls.c (expand_call): Don't set it.
5365         * integrate.c (copy_rtx_and_substitute): Likewise.
5366
5367         * function.h (struct function): Remove x_cleanup_label.
5368         (cleanup_label): Remove.
5369         * stmt.c (expand_value_return): Don't use it.
5370         * function.c (free_after_compilation): Don't set it.
5371         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
5372         * cfgexpand.c (tree_expand_cfg): Update call.
5373         * tree.h (expand_function_start): Update decl.
5374
5375 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5376
5377         PR c/1027
5378         * c-lang.c (c_initialize_diagnostics): Move from here ...
5379         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
5380         (c_tree_printer): Use pretty-printer to format %T.
5381         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
5382         before '*' if not C++.
5383         (pp_c_direct_abstract_declarator): Don't try to print array upper
5384         bound for flexible array members.
5385         * c-tree.h: Include "diagnostic.h".
5386         (c_initialize_diagnostics): Declare.
5387         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
5388         * c-format.c (format_type_warning): New function.  Improve
5389         diagnostics for incorrect format argument types.
5390         (check_format_types): Use it.  Add two parameters.  Use the
5391         TYPE_MAIN_VARIANT of wanted_type.
5392         (check_format_info_main): Pass new parameters to
5393         check_format_types.
5394         (struct format_wanted_type): Update comment.
5395
5396 2004-07-01  Nick Clifton  <nickc@redhat.com>
5397
5398         * target.h (struct gcc_target): Add new field to struct cxx:
5399         import_export_class.
5400         * target-def.h (TARGET_CXX): Initialise the new field.
5401         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
5402         the new field.
5403         * doc/tm.texi: Document the new target hook.
5404
5405 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5406
5407         * builtins.c (fold_builtin_classify): Fix typo.
5408
5409 2004-07-01  Richard Henderson  <rth@redhat.com>
5410
5411         * function.c (identify_blocks, identify_blocks_1): Remove.
5412         * function.h (identify_blocks): Remove.
5413         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
5414
5415 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5416
5417         * builtins.c (fold_builtin_classify): New.
5418         (fold_builtin_unordered_cmp): Fix commentary.
5419         (fold_builtin): Use it.
5420         * builtins.def: Define builtins for isnan,
5421         isnanf, isnanl, finite, finitef, finitel,
5422         isinf, isinff, isinfl.
5423
5424 2004-07-01  Richard Henderson  <rth@redhat.com>
5425
5426         * function.h (struct function): Remove dont_emit_block_notes.
5427         * gimple-low.c (lower_function_body): Don't set it.
5428         * cfgexpand.c (expand_block): Don't check it.
5429         * cfglayout.c (insn_locators_initialize): Likewise.
5430         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
5431         * passes.c (rest_of_compilation): Likewise.
5432         * stmt.c (expand_start_bindings_and_block): Likewise.
5433         (expand_end_bindings): Likewise.
5434
5435 2004-07-01  Richard Henderson  <rth@redhat.com>
5436
5437         * cgraph.h (cgraph_build_static_cdtor): Declare.
5438         * cgraphunit.c (cgraph_build_static_cdtor): New.
5439         * c-objc-common.c (build_cdtor): Use it.
5440         * coverage.c (create_coverage): Likewise.
5441         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
5442         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
5443
5444 See ChangeLog.11 for earlier changes.