gcc/ChangeLog

   1 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
   2
   3         * var-tracking.c: Fix some comments.
   4         (frame_stack_adjust): New.
   5         (vt_stack_adjustments): Init stack_adjust of entry block to
   6         minus stack adjustment of function prologue.
   7         (adjust_stack_reference): Do not adjust if adjustment == 0.
   8         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
   9         (emit_notes_in_bb): Likewise.
  10         (vt_add_function_parameters): Do not adjust locations of
  11         function arguments.
  12         (vt_initialize): Compute the stack adjustment of function
  13         prologue and offset the initial "location" of frame_base_decl
  14         from the stack pointer after prologue.
  15
  16 2004-07-04  Richard Henderson  <rth@redhat.com>
  17
  18         * function.c (struct assign_parm_data_all): New.
  19         (struct assign_parm_data_one): New.
  20         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
  21         assign_parm_find_data_types, assign_parms_setup_varargs,
  22         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
  23         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
  24         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
  25         assign_parm_setup_block, assign_parm_setup_reg,
  26         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
  27         (assign_parms): ... here.
  28
  29 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
  30
  31         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
  32         now are bitmap_set_t's.
  33         (bitmap_insert_into_set): No point in inserting the value if
  34         it's invariant.
  35         (bitmap_set_contains): New function.
  36         (bitmap_set_replace_value): Add comment on why we do it
  37         this way.
  38         (set_contains): Removed.
  39         (bitmap_set_subtract_from_value_set): New name of
  40         set_subtract now that it's arguments are two different
  41         types of sets.
  42         Update callers.
  43         (bitmap_find_leader): Change algorithm used.
  44         (find_or_generate_expression): Update use of functions for new
  45         bitmap sets.
  46         (create_expression_by_pieces): Ditto.
  47         (insert_aux): Ditto.
  48         (insert): Ditto.
  49         (add_to_sets): Ditto.
  50         (init_pre): Ditto.
  51         (execute_pre): Ditto.
  52         (compute_avail): Ditto.
  53         Also ignore virtual phis.
  54
  55 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
  56
  57         * combine.c (simplify_comparison): Fix comment typo.
  58
  59 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
  60
  61         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
  62         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
  63         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
  64         (output_restore): Change parameter from 'insn' to 'pat'.
  65         (output_return): Adjust call to output_restore.
  66         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
  67         Adjust call to output_restore.
  68
  69 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
  70
  71         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
  72         and assert system is bsd.
  73
  74 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
  75
  76         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
  77         (TARGET_SWITCHES): Remove -mdebugc.
  78         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
  79         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
  80         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
  81         (sle_[sd]i_reg): Delete.
  82
  83 2004-07-04  Steven Bosscher  <stevenb@suse.de>
  84
  85         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
  86         Define.
  87         * config/iq2000/iq2000.md: Translate old pipeline description to an
  88         equivalent new one.
  89
  90 2004-07-04  Roger Sayle  <roger@eyesopen.com>
  91
  92         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
  93         Ensure the replacement rhs is valid gimple before performing
  94         the substitution.  Return false if these sanity checks fail.
  95         (fold_stmt): Only set changed to true, if set_rhs returns true.
  96         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
  97         succeeds.
  98
  99 2004-07-04  Richard Henderson  <rth@redhat.com>
 100
 101         PR c/16348
 102         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
 103
 104 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
 105
 106         * configure.ac (ranlib_flags): New variable.
 107         * Makefile.in (RANLIB_FLAGS): New variable.
 108         (libbackend.a): Use it.
 109         * configure: Regenerated.
 110
 111 2004-07-04  Roger Sayle  <roger@eyesopen.com>
 112
 113         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
 114         a "sign mask" instead of using ashr_optab directly.
 115
 116 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
 117
 118         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
 119         * doc/cppopts.texi: Clarify processing of command-line defines.
 120
 121 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
 122
 123         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
 124
 125 2004-07-04  Richard Henderson  <rth@redhat.com>
 126
 127         * rtl.def (ADDRESSOF): Remove.
 128         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
 129         (find_base_term, memrefs_conflict_p): Likewise.
 130         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
 131         (fold_rtx, cse_insn, set_live_p): Likewise.
 132         * dwarf2out.c (mem_loc_descriptor): Likewise.
 133         (add_location_or_const_value_attribute): Likewise.
 134         * emit-rtl.c (copy_insn_1): Likewise.
 135         * explow.c (memory_address): Likewise.
 136         * expmed.c (store_split_bit_field): Likewise.
 137         * expr.c (expand_expr_real_1): Likewise.
 138         * function.c (instantiate_decl
 139         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
 140         * genrecog.c (preds, validate_pattern): Likewise.
 141         * integrate.c (copy_rtx_and_substitute): Likewise.
 142         * recog.c (general_operand, register_operand): Likewise.
 143         (memory_address_p): Likwise.
 144         * reload1.c (eliminate_regs, elimination_effects): Likewise.
 145         * rtl.c (copy_rtx): Likewise.
 146         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
 147         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
 148         * rtlhooks.c (gen_lowpart_general): Likewise.
 149         * stmt.c (expand_asm_operands): Likewise.
 150         * web.c (entry_register, replace_ref, web_main): Likewise.
 151         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
 152         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
 153         * config/arm/arm.c (thumb_rtx_costs): Likewise.
 154         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
 155         * config/frv/frv.c (move_destination_operand, move_source_operand,
 156         condexec_dest_operand, condexec_source_operand,
 157         condexec_memory_operand): Likewise.
 158         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
 159         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
 160         (destination_xfmode_operand): Likewise.
 161         * config/mips/mips.h (PREDICATE_CODES): Likewise.
 162         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
 163         * config/s390/s390.c (general_s_operand): Likewise.
 164         * config/s390/s390.md (mov*): Likewise.
 165         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
 166
 167         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
 168         * expr.c (expand_expr_real_1): Likewise.
 169         * stmt.c (expand_decl): Likewise.
 170         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
 171
 172         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
 173         postponed_insns, put_var_into_stack, put_reg_into_stack,
 174         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
 175         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
 176         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
 177         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
 178         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
 179         purge_bitfield_addressof_replacements, purge_addressof_replacements,
 180         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
 181         struct insns_for_mem_walk_info, insns_for_mem_walk,
 182         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
 183         setjmp_protect_args): Remove.
 184         (push_function_context_to): Don't handle var_refs_queue.
 185         (pop_function_context_from, free_after_compilation): Likewise.
 186         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
 187         (assign_parms, allocate_struct_function): Likewise.
 188         (use_register_for_decl): New.
 189         (expand_function_end): Don't setjmp_protect.
 190         * function.h (struct emit_status): Update commentary.
 191         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
 192         (max_parm_reg, parm_reg_stack_loc): Remove.
 193         * passes.c (DFI_addressof): Remove.
 194         (dump_file_info): Remove addressof.
 195         (rest_of_handle_addressof): Remove.
 196         (rest_of_compilation): Don't call it.
 197         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
 198         * stmt.c (expand_decl): Use use_register_for_decl.
 199         * tree.h: Update decls.
 200         * web.c (mark_addressof): Remove.
 201         * doc/invoke.texi (-dF): Remove.
 202
 203 2004-07-03  Richard Henderson  <rth@redhat.com>
 204
 205         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
 206         instead of gen_mem_addressof.
 207         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
 208         TImode output register.
 209
 210 2004-07-03  Richard Henderson  <rth@redhat.com>
 211
 212         PR tree-optimization/16341
 213         * tree-sra.c (sra_walk_function): Increment to next stmt before
 214         processing the current stmt.
 215         (sra_insert_after): Always use BSI_SAME_STMT.
 216
 217 2004-07-03  Richard Henderson  <rth@redhat.com>
 218
 219         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
 220         fp plus with minus.
 221
 222 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
 223
 224         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
 225         with tree_int_cst_equal.
 226
 227 2004-07-03  Andreas Schwab  <schwab@suse.de>
 228
 229         * config/ia64/ia64.md: Define new attribute "empty".
 230         (prologue_use, nop_x, insn_group_barrier): Set it.
 231
 232         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
 233         skip over "empty" insns.
 234
 235 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 236
 237         * tree-inline.c (initialize_inlined_parameters): Pass proper function
 238         context to gimplify_body.
 239         (walk_tree): Don't walk into types twice.
 240         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
 241
 242         * tree-sra.c (generate_element_init): Remove any useless conversions.
 243
 244         * gimplify.c (gimplify_conversion): Remove stripping useless
 245         conversions from here.
 246         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
 247         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
 248         Unshare before substituting PLACEHOLDER_EXPR.
 249         (gimplify_modify_expr_to_memset): Likewise.
 250         Pass address of TO to memset, not TO itself.
 251         (gimplify_init_constructor): Make copy of OBJECT so we have it each
 252         time we make an expression (to match a PLACEHOLDER_EXPR).
 253
 254         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
 255         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
 256         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
 257         * tree-ssa-dom.c (local_fold): Likewise.
 258
 259         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
 260         * langhooks.h (strct lang_hooks): New field type_max_size.
 261         * function.c (assign_temp): Call it.
 262
 263 2004-07-03  Steven Bosscher  <stevenb@suse.de>
 264
 265         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
 266         * config/sh/sh.md: Convert the SH1 pipeline description to
 267         a DFA model.
 268
 269 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
 270
 271         * c-decl.c (struct c_binding): Remove contour field; add
 272         depth, invisible, nested fields.
 273         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
 274         (B_IN_EXTERNAL_SCOPE): New convenience macros.
 275         (bind): Add invisible and nested arguments. Initialize
 276         new fields of struct c_binding; adjust loop scanning for
 277         insertion point.
 278         (free_binding_and_advance): Clear structure with memset.
 279         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
 280         in file scope, even if it's in external scope too.
 281         (pushdecl): Adjust to match.  Create invisible file-scope
 282         declarations for block-scope forward declarations of static functions.
 283         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
 284         (undeclared_variable, lookup_label, declare_label, define_label)
 285         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
 286         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
 287         (store_parm_decls_oldstyle): Adjust to match.
 288         (diagnose_mismatched_decls): Correct handling of linkage clashes.
 289         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
 290
 291         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
 292         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
 293
 294 2004-07-02  Richard Henderson  <rth@redhat.com>
 295
 296         * c-decl.c (grokdeclarator): Don't frob current_function_decl
 297         around variable_size.
 298         (set_decl_nonlocal): Remove.
 299         (store_parm_decls): Add stmts for pending sizes.
 300         * calls.c (calls_function, calls_function_1): Remove.
 301         (precompute_arguments): Don't call it.
 302         * cfgexpand.c (set_save_expr_context): Remove.
 303         (tree_expand_cfg): Don't call it.
 304         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
 305         (dwarf2out_finish): Likewise.
 306         * expr.c (emit_block_move): Adjust addresses to BLKmode.
 307         (store_constructor): Don't pre-evaluate SAVE_EXPR.
 308         (safe_from_p): Don't queue SAVE_EXPRs.
 309         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
 310         or build plain VAR_DECLs.
 311         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
 312         (fold): Likewise.
 313         (fold_checksum_tree): Don't special-case SAVE_EXPR.
 314         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
 315         (put_var_into_stack): Don't handle SAVE_EXPR.
 316         (gen_mem_addressof): Likewise.
 317         * function.h (struct function): Remove x_save_expr_regs.
 318         (save_expr_regs): Remove.
 319         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
 320         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
 321         * stor-layout.c (variable_size): Don't set it.
 322         (force_type_save_exprs, force_type_save_exprs_1): Remove.
 323         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
 324         all callers.  Don't set SAVE_EXPR_CONTEXT.
 325         * tree-inline.h (remap_save_expr): Update decl.
 326         * tree.c (save_expr): Update build size.
 327         (first_rtl_op): Don't handle SAVE_EXPR.
 328         (unsave_expr_1, contains_placeholder_p): Likewise.
 329         (decl_function_context): Likewise.
 330         * tree.def (SAVE_EXPR): Remove args 1 and 2.
 331         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
 332         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
 333
 334 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
 335
 336         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
 337         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
 338         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
 339         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
 340         some first-person references and patronizing comments.  Based on
 341         printed manual.
 342         * doc/invoke.texi: Don't reference fortran@gnu.org.
 343         * doc/trouble.texi (Warning when a non-void function value is
 344         ignored): Rewrite.  From Russ Allbery and Chris Devers.
 345
 346 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
 347
 348         * tree-ssa-pre.c (bitmap_set_t): New.
 349         (bb_value_sets): avail_out is now a bitmap_set_t.
 350         (bitmap_find_leader): New function.
 351         (bitmap_value_insert_into_set): Ditto.
 352         (bitmap_set_copy): Ditto.
 353         (bitmap_value_replace_in_set): Ditto.
 354         (bitmap_set_contains_value): Ditto.
 355         (bitmap_set_new): Ditto.
 356         (bitmap_set_pool): New pool.
 357         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
 358         (insert_aux): Ditto.
 359         (add_to_sets): Ditto.
 360         (compute_avail): Ditto
 361         (eliminate): Ditto.
 362         (init_pre): Ditto.
 363         (fini_pre): Ditto.
 364         (execute_pre): Ditto.
 365
 366 2004-07-02  Roger Sayle  <roger@eyesopen.com>
 367
 368         * config/rs6000/rs6000.c (struct processor_costs): New structure
 369         used to hold instruction latencies/sizes for processor types.
 370         (rs6000_cost): New global variable pointing to current CPU's costs.
 371         (rs6000_override_options): Initialize rs6000_cost to point to the
 372         appropriate cost table based upon rs6000_cpu and optimize_size.
 373         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
 374         timings inline.
 375
 376 2004-07-02  Richard Henderson  <rth@redhat.com>
 377
 378         * expmed.c (make_tree): Don't use SET_DECL_RTL.
 379
 380 2004-07-02  Steven Bosscher  <stevenb@suse.de>
 381
 382         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
 383
 384 2004-07-01  Richard Henderson  <rth@redhat.com>
 385
 386         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
 387         (alpha_gp_save_rtx): Use assign_stack_local instead of
 388         gen_mem_addressof.
 389
 390 2004-07-01  Richard Henderson  <rth@redhat.com>
 391
 392         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
 393         (alpha_rtx_cost_data): Update to match.
 394         (alpha_rtx_cost_size): New.
 395         (alpha_rtx_costs): Honor optimize_size.
 396
 397 2004-07-01  Richard Henderson  <rth@redhat.com>
 398
 399         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
 400         * cfgexpand.c (tree_expand_cfg): Do it here.
 401         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
 402         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
 403         * config/mips/mips.c (mips_output_mi_thunk): And here.
 404         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
 405         * config/sh/sh.c (sh_output_mi_thunk): And here.
 406         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
 407
 408 2004-07-01  Richard Henderson  <rth@redhat.com>
 409
 410         * tree.def (RTL_EXPR): Remove.
 411         * c-typeck.c (lvalue_p): Don't handle it.
 412         * expr.c (safe_from_p): Likewise.
 413         (expand_expr_real_1): Likewise.
 414         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
 415         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
 416         * gengtype.c (adjust_field_tree_exp): Likewise.
 417         * stmt.c (warn_if_unused_value): Likewise.
 418         * tree-gimple.c (recalculate_side_effects): Likewise.
 419         * tree-pretty-print.c (dump_generic_node): Likewise.
 420         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
 421         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
 422         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
 423
 424         * stmt.c (struct stmt_status): Remove x_last_expr_type,
 425         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
 426         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
 427         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
 428         all the bits that tracked last_expr.
 429         (expand_end_bindings): Don't track last_expr.
 430         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
 431         (clear_last_expr): Remove.
 432         (expand_asm): Don't call it.
 433         (expand_asm_operands, expand_end_cond): Likewise.
 434         (expand_naked_return, expand_null_return_1): Likewise.
 435         * c-typeck.c (c_begin_compound_stmt): Likewise.
 436         * cfgexpand.c (expand_block): Use expand_expr_stmt.
 437         * expr.c (expand_expr_real_1): Likewise.
 438         * tree.h: Update prototypes.
 439
 440         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
 441         (struct emit_status): Remove sequence_rtl_expr.
 442         (struct function): Remove x_rtl_expr_chain.
 443         (seq_rtl_expr, rtl_expr_chain): Remove.
 444         * function.c (struct temp_slot): Remove rtl_expr.
 445         (assign_stack_temp_for_type): Don't set it.
 446         (free_temp_slots, pop_temp_slots): Don't check it.
 447         (free_after_compilation): Don't clear x_rtl_expr_chain.
 448         (fixup_var_refs): Don't search it.
 449         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
 450         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
 451         or seq_rtl_expr.
 452         (push_topmost_sequence): Likewise.
 453         (end_sequence, init_emit): Likewise.
 454         (start_sequence_for_rtl_expr): Remove.
 455         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
 456         * rtl.h (preserve_rtl_expr_result): Remove.
 457
 458 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
 459
 460         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
 461         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
 462         typos.
 463
 464 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
 465
 466         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
 467         (STANDARD_STARTFILE_PREFIX_2): Define.
 468         (standard_startfile_prefix_1): Initialize to
 469         STANDARD_STARTFILE_PREFIX_1.
 470         (standard_startfile_prefix_2): Initialize to
 471         STANDARD_STARTFILE_PREFIX_2.
 472         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
 473         (STANDARD_STARTFILE_PREFIX_1): Define.
 474         (STANDARD_STARTFILE_PREFIX_2): Define.
 475         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
 476         (STANDARD_STARTFILE_PREFIX_2): Document.
 477
 478 2004-07-01  Richard Henderson  <rth@redhat.com>
 479
 480         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
 481         in order to disable scalarization.  Instead set a flag and wait
 482         for a candidate decl.
 483
 484 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
 485
 486         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
 487         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
 488         Use terminology "testsuite" and "enumerated".
 489
 490 2004-07-01  Richard Henderson  <rth@redhat.com>
 491
 492         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
 493         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
 494         (initial_return_save): Likewise.
 495         (flush_queued_reg_saves): Remap register numbers.
 496         (dwarf2out_return_reg): Likewise.
 497
 498 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 499
 500         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
 501
 502         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
 503         access functions for lower bound and element size and only output
 504         if lower bound nonzero or element size not same as that of type.
 505         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
 506
 507 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 508
 509         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
 510
 511 2004-07-01  Per Bothner  <per@bothner.com>
 512
 513         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
 514
 515 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
 516
 517         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
 518         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
 519         first operand.  Don't optimize if the bitfield is volatile.
 520
 521 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 522
 523         * c-pretty-print.c (pp_c_postfix_expression): Handle
 524         floating-point comparison operators.
 525         (pp_c_expression): Pass floating-point comparison
 526         operators to pp_c_postfix_expression.
 527
 528 2004-07-01  Roger Sayle  <roger@eyesopen.com>
 529
 530         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
 531         rtx_cost instead of "had_mult" to determine whether the transformed
 532         expression is cheaper than the original.
 533
 534 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
 535
 536         * alias.c (get_alias_set, canon_rtx, get_addr,
 537         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
 538         Use MEM_P.
 539         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
 540         expand_builtin): Likewise.
 541         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
 542         Likewise.
 543         * combine.c (can_combine_p, combinable_i3pat, try_combine,
 544         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
 545         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
 546         record_dead_and_set_regs_1, get_last_value_validate,
 547         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
 548         * cse.c (check_dependence, canon_hash, equiv_constant,
 549         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
 550         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
 551         count_reg_usage): Likewise.
 552         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
 553         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
 554         cselib_record_sets): Likewise.
 555         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
 556         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
 557         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
 558         * df.c (df_uses_record): Likewise.
 559         * dojump (do_jump): Likewise.
 560         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
 561         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
 562         decl_start_label): Likewise.
 563         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
 564         operand_subword, change_address_1, make_safe_from): Likewise.
 565         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
 566         stabilize, force_not_mem): Likewise.
 567         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
 568         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
 569         * expr.c (convert_move, convert_modes, emit_block_move,
 570         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
 571         emit_move_insn_1, expand_assignment, store_expr,
 572         store_constructor_field, store_constructor, store_field,
 573         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
 574         Likewise.
 575         * final.c (cleanup_subreg_operands, alter_subreg,
 576         get_mem_expr_from_op): Likewise.
 577         * flow.c (notice_stack_pointer_modification_1,
 578         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
 579         Likewise.
 580         * function.c (mark_temp_addr_taken, preserve_temp_slots,
 581         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
 582         optimize_bit_field, flush_addressof, purge_addressof_1,
 583         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
 584         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
 585         keep_stack_depressed): Likewise.
 586         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
 587         noce_process_if_block, find_memory): Likewise.
 588         * integrate.c (subst_constants, allocate_initial_values): Likewise.
 589         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
 590         update_equiv_regs): Likewise.
 591         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
 592         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
 593         * optabs.c (expand_abs, emit_unop_insn): Likewise.
 594         * passes.c (rest_of_handle_final): Likewise.
 595         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
 596         move2add_note_store): Likewise.
 597         * ra-build.c (detect_remat_webs): Likewise.
 598         * ra-debug.c (dump_static_insn_cost): Likewise.
 599         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
 600         * recog.c (validate_change, apply_change_group, cancel_changes,
 601         validate_replace_rtx_1, general_operand, register_operand,
 602         nonmemory_operand, push_operand, pop_operand, memory_operand,
 603         indirect_operand, asm_operand_ok, offsettable_memref_p,
 604         offsettable_nonstrict_memref_p, constrain_operands,
 605         store_data_bypass_p): Likewise.
 606         * reg-stack.c (subst_stack_regs_pat): Likewise.
 607         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
 608         copy_cost, reg_scan_mark_refs): Likewise.
 609         * regmove.c (optimize_reg_copy_3, stack_memref_p,
 610         combine_stack_adjustments_for_block): Likewise.
 611         * regrename.c (copyprop_hardreg_forward_1): Likewise.
 612         * reload.c (can_reload_into, push_reload, decompose, immune_p,
 613         find_reloads, find_reloads_address, find_reloads_address_1,
 614         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
 615         find_equiv_reg): Likewise.
 616         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
 617         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
 618         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
 619         delete_address_reloads): Likewise.
 620         * resource.c (mark_referenced_resources): Likewise.
 621         * rtlanal.c (get_jump_table_offset, count_occurrences,
 622         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
 623         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
 624         num_sign_bit_copies1): Likewise.
 625         * rtlhooks.c (gen_lowpart_general): Likewise.
 626         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
 627         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
 628         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
 629         sdbout_global_decl): Likewise.
 630         * simplify-rtx.c (simplify_subreg): Likewise.
 631         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
 632         expand_anon_union_decl, expand_end_case_type): Likewise.
 633         * unroll.c (calculate_giv_inc): Likewise.
 634         * var-tracking.c (stack_adjust_offset_pre_post,
 635         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
 636         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
 637         vt_add_function_parameters): Likewise.
 638         * varasm.c (make_var_volatile, notice_global_symbol,
 639         assemble_external, decode_addr_const, mark_weak,
 640         default_encode_section_info): Likewise.
 641
 642 2004-07-01  Steven Bosscher  <stevenb@suse.de>
 643
 644         * stmt.c (check_seenlabel): Remove.
 645         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
 646
 647 2004-07-01  Richard Henderson  <rth@redhat.com>
 648
 649         * function.h (struct function): Remove x_function_call_count.
 650         (function_call_count): Remove.
 651         * calls.c (expand_call): Don't set it.
 652         * integrate.c (copy_rtx_and_substitute): Likewise.
 653
 654         * function.h (struct function): Remove x_cleanup_label.
 655         (cleanup_label): Remove.
 656         * stmt.c (expand_value_return): Don't use it.
 657         * function.c (free_after_compilation): Don't set it.
 658         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
 659         * cfgexpand.c (tree_expand_cfg): Update call.
 660         * tree.h (expand_function_start): Update decl.
 661
 662 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
 663
 664         PR c/1027
 665         * c-lang.c (c_initialize_diagnostics): Move from here ...
 666         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
 667         (c_tree_printer): Use pretty-printer to format %T.
 668         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
 669         before '*' if not C++.
 670         (pp_c_direct_abstract_declarator): Don't try to print array upper
 671         bound for flexible array members.
 672         * c-tree.h: Include "diagnostic.h".
 673         (c_initialize_diagnostics): Declare.
 674         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
 675         * c-format.c (format_type_warning): New function.  Improve
 676         diagnostics for incorrect format argument types.
 677         (check_format_types): Use it.  Add two parameters.  Use the
 678         TYPE_MAIN_VARIANT of wanted_type.
 679         (check_format_info_main): Pass new parameters to
 680         check_format_types.
 681         (struct format_wanted_type): Update comment.
 682
 683 2004-07-01  Nick Clifton  <nickc@redhat.com>
 684
 685         * target.h (struct gcc_target): Add new field to struct cxx:
 686         import_export_class.
 687         * target-def.h (TARGET_CXX): Initialise the new field.
 688         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
 689         the new field.
 690         * doc/tm.texi: Document the new target hook.
 691
 692 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 693
 694         * builtins.c (fold_builtin_classify): Fix typo.
 695
 696 2004-07-01  Richard Henderson  <rth@redhat.com>
 697
 698         * function.c (identify_blocks, identify_blocks_1): Remove.
 699         * function.h (identify_blocks): Remove.
 700         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
 701
 702 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
 703
 704         * builtins.c (fold_builtin_classify): New.
 705         (fold_builtin_unordered_cmp): Fix commentary.
 706         (fold_builtin): Use it.
 707         * builtins.def: Define builtins for isnan,
 708         isnanf, isnanl, finite, finitef, finitel,
 709         isinf, isinff, isinfl.
 710
 711 2004-07-01  Richard Henderson  <rth@redhat.com>
 712
 713         * function.h (struct function): Remove dont_emit_block_notes.
 714         * gimple-low.c (lower_function_body): Don't set it.
 715         * cfgexpand.c (expand_block): Don't check it.
 716         * cfglayout.c (insn_locators_initialize): Likewise.
 717         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
 718         * passes.c (rest_of_compilation): Likewise.
 719         * stmt.c (expand_start_bindings_and_block): Likewise.
 720         (expand_end_bindings): Likewise.
 721
 722 2004-07-01  Richard Henderson  <rth@redhat.com>
 723
 724         * cgraph.h (cgraph_build_static_cdtor): Declare.
 725         * cgraphunit.c (cgraph_build_static_cdtor): New.
 726         * c-objc-common.c (build_cdtor): Use it.
 727         * coverage.c (create_coverage): Likewise.
 728         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
 729         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
 730
 731 See ChangeLog.11 for earlier changes.