gcc/ChangeLog

   1 2004-09-07  Jan Hubicka  <jh@suse.cz>
   2
   3         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
   4
   5 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
   6
   7         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
   8         fold_convert.
   9         (fold_builtin_strpbrk): Likewise.
  10         * expr.c (array_ref_low_bound): Likewise.
  11         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
  12         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
  13         * tree-sra.c (generate_element_zero): Likewise.
  14         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
  15         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
  16         add_old_iv_candidates, add_iv_candidates): Likewise.
  17         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
  18
  19 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
  20
  21         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
  22         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
  23         c_expand_expr, boolean_increment, nonnull_check_p,
  24         check_function_arguments_recurse, fold_offsetof_1): Likewise.
  25         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
  26         builtin_define_type_max): Likewise.
  27         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
  28         implicit_decl_warning, builtin_function, build_compound_literal,
  29         complete_array_type, grokdeclarator, get_parm_info,
  30         start_function, store_parm_decls_oldstyle,
  31         c_write_global_declarations): Likewise.
  32         * c-format.c (get_constant, decode_format_attr,
  33         maybe_read_dollar_number, get_flag_spec, check_format_arg,
  34         check_format_types, format_type_warning,
  35         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
  36         init_dynamic_diag_info, handle_format_attribute): Likewise.
  37         * c-gimplify.c (push_context, pop_context, finish_bc_block):
  38         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
  39         * c-objc-common.c (c_tree_printer): Likewise.
  40         * c-pch.c (pch_init): Likewise.
  41         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
  42         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
  43         * c-typeck.c (c_incomplete_type_error, composite_type,
  44         common_pointer_type, common_type, same_translation_unit_p,
  45         tagged_types_tu_compatible_p, finish_init, pop_init_level,
  46         set_designator, set_nonincremental_init_from_string,
  47         process_init_element, c_finish_if_stmt): Likewise.
  48         * caller-save.c (init_caller_save, save_call_clobbered_regs,
  49         insert_restore, insert_save, insert_one_insn): Likewise.
  50         * calls.c (emit_call_1, compute_argument_block_size,
  51         precompute_arguments, expand_call, emit_library_call_value_1,
  52         store_one_arg): Likewise.
  53
  54 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
  55
  56         * configure.ac (enable-checking): Add release option. Reorganize
  57         to avoid repetition.
  58         * configure: Rebuilt.
  59         * doc/install.texi (enable-checking): Amend documentation.
  60
  61 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
  62
  63         PR bootstrap/17313
  64         * Makefile.in (specs.ready): Depend on cc1$(exeext).
  65
  66 2004-09-06  James E Wilson  <wilson@specifixinc.com>
  67
  68         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
  69         movdf_hardfloat_32bit): Split fG into two alternatives.
  70         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
  71
  72         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
  73
  74 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
  75
  76         * final.c (output_in_slot): Delete.
  77         (final_scan_insn): Revert 2004-09-03 change.
  78         (output_asm_insn): Likewise.
  79         * config/sparc/sparc.c (output_return): Likewise.
  80         (output_sibcall): Likewise.
  81
  82 2004-09-06  Jan Hubicka  <jh@suse.cz>
  83
  84         * loop.c (loop_dump_aux): Do not print RTL when not available.
  85         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
  86         frontend specific type nodes.
  87         (produce_memory_decl_rtl): Break out from ...
  88         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
  89         (get_computation_at): Avoid random tree sharing.
  90         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
  91
  92 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
  93
  94         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
  95         unnecessary commands.
  96
  97 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
  98
  99         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
 100         (bitmap.o): Likewise.
 101
 102 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
 103
 104         Unify the management of RTL and tree-level dump files.
 105
 106         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
 107         Don't print function name to the dump file, the pass manager
 108         would do this for us. Add code from the top of
 109         rest_of_compilation, up to the initial RTL dump.
 110         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
 111         close the DFI_sibling dump file.
 112         (rest_of_compilation): Don't do that here.  Remove code up to the
 113         initial RTL dump.
 114         (init_optimization_passes): Remove.
 115         (pass_rest_of_compilation): Change pass name to NULL.
 116         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
 117         Do not call init_optimization_passes.
 118         * toplev.h (init_optimization_passes): Remove.
 119
 120         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
 121         finish_graph_dump_file): Remove SUFFIX parameter.
 122         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
 123         finish_graph_dump_file): Likewise.
 124
 125         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
 126         * cfgexpand.c (pass_expand): Adjust.
 127         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
 128         * passes.c (pass_rest_of_compilation): Adjust.
 129         * predict.c (pass_profile): Adjust.
 130         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
 131         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
 132         pass_split_crit_edges, pass_warn_function_return): Adjust.
 133         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
 134         * tree-dfa.c (pass_referenced_vars): Adjust.
 135         * tree-eh.c (pass_lower_eh): Adjust.
 136         * tree-if-conv.c (pass_build_ssa): Adjust.
 137         * tree-into-ssa.c (pass_build_ssa): Adjust.
 138         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
 139         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
 140         * tree-nrv.c (pass_nrv): Adjust.
 141         * tree-optimize.c (pass_gimple, pass_all_optimizations,
 142         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
 143         pass_init_datastructures): Adjust.
 144         * tree-outof-ssa.c (pass_del_ssa): Adjust.
 145         * tree-profile.c (pass_tree_profile): Adjust.
 146         * tree-sra.c (pass_sra): Adjust.
 147         * tree-ssa-alias.c (pass_may_alias): Adjust.
 148         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
 149         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
 150         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
 151         * tree-ssa-dom.c (pass_dominator): Adjust.
 152         * tree-ssa-dse.c (pass_dse): Adjust.
 153         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
 154         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
 155         * tree-ssa-loop-ch.c (pass_ch): Adjust.
 156         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
 157         pass_loop_done, pass_complete_unroll, pass_iv_canon,
 158         pass_iv_optimize, pass_vectorize): Adjust.
 159         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
 160         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
 161         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
 162         pass_late_warn_uninnitialized): Adjust.
 163         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
 164
 165         * Makefile.in (tree-dump.o): Add new dependencies.
 166         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
 167         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
 168         Likewise.
 169         * toplev.c (dump_file_name): New.
 170         * tree-dump.c (dump_enable_all): Add LETTER parameter.
 171         (struct dump_file_info): Add NUM and LETTER fields.
 172         (dump_files): Adjust and add RTL dump files.
 173         (dump_register): Add NUM and LETTER fields.
 174         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
 175         (dump_begin): Use get_dump_file_name.
 176         (dump_switch_p_1): Adjust call to dump_enable_all.
 177         * tree-dump.h (dump_register): Adjust prototype.
 178         * tree-optimize.c (register_one_dump_file): Take dump file index.
 179         Support flags for RTL dumps.
 180         (register_dump_files): Fill in NUM field of struct dump_file_info.
 181         Track properties both when the gate is executed and when it is not.
 182         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
 183         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
 184         dumps of RTL.
 185         * tree-pass.h (dump_file_name): New.
 186         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
 187         New.
 188
 189         * Makefile.in (passes.o): Add new dependencies.
 190         * passes.c (struct dump_file_info, enum dump_file_index,
 191         dump_file_tbl, init_optimization_passes): Remove.
 192         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
 193         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
 194         dump_enabled_p.
 195         (finish_optimization_passes): Update finish_graph_dump_file loop.
 196         (enable_rtl_dump_file): Remove.
 197         * tree-dump.c (dump_files): Adjust and add RTL dump files.
 198         (enable_rtl_dump_file): Add here.
 199         * tree.h (enum tree_dump_index): Add RTL dump file indices.
 200         * doc/invoke.texi (Debugging options): Document new RTL debugging
 201         options.  Update.
 202
 203 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
 204
 205         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
 206         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
 207         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
 208         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
 209         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
 210         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
 211         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
 212         vec.h: Fix comment formatting.
 213
 214 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
 215
 216         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
 217         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
 218         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
 219         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
 220         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
 221         tree-ssa-loop-niter.c, tree-ssa-operands.c,
 222         tree-ssa-operands.h, tree-ssa-propagate.c,
 223         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
 224         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
 225
 226 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
 227
 228         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
 229         vectorizer is enabled.
 230
 231 2004-09-05  Andreas Jaeger  <aj@suse.de>
 232
 233         * tree-if-conv.c: Spell check comments and clean up whitespace.
 234
 235 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 236
 237         * tree-ssa-loop-ivopts.c: New file.
 238         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
 239         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
 240         target_pres_cost, target_spill_cost): Declare.
 241         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
 242         spill_cost): Renamed to ...
 243         (target_avail_regs, target_res_regs, target_small_cost,
 244         target_pres_cost, target_spill_cost): ... and exported.
 245         (init_set_costs, global_cost_for_size): Work with renamed variables.
 246         * common.opt (flag_ivopts): New flag.
 247         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
 248         REF_ORIGINAL.
 249         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
 250         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
 251         generating SSA form.
 252         (force_gimple_operand): New function.
 253         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
 254         * tree-cfg.c (stmt_bsi): New function.
 255         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
 256         PARAM_IV_MAX_CONSIDERED_USES): New.
 257         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
 258         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
 259         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
 260         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
 261         * tree-nested.c (build_addr): Export.
 262         * tree-optimize.c (init_tree_optimization_passes): Add
 263         pass_iv_optimize.
 264         * tree-pass.h (pass_iv_optimize): Declare.
 265         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
 266         IMAGPART_EXPR.
 267         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
 268         as a phi node argument.
 269         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
 270         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
 271         functions.
 272         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
 273         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
 274         pass_iv_optimize): New pass.
 275         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
 276         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
 277         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
 278         * tree.h (REF_ORIGINAL): New macro.
 279         (build_int_cst_type, unsigned_type_for, zero_p,
 280         cst_and_fits_in_hwi, build_addr): Declare.
 281         * doc/invoke.texi (-fivopts): Document.
 282         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
 283         PARAM_IV_MAX_CONSIDERED_USES): Document.
 284         * doc/passes.texi: Document induction variable optimizations pass.
 285
 286 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 287
 288         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
 289         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
 290         * c-common.c (c_common_attribute_table): Accept parameters to
 291         sentinel attribute.
 292         (check_function_sentinel, handle_sentinel_attribute): Likewise.
 293         * doc/extend.texi: Update accordingly.
 294
 295 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 296
 297         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
 298         New.
 299         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
 300         attribute.
 301         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
 302         New functions.
 303         (c_common_attribute_table): Add `sentinel' attribute.
 304         (check_function_arguments): Handle `sentinel' attribute.
 305         * doc/extend.texi: Document `sentinel' attribute.
 306
 307 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
 308
 309         * configure: Regenerated.
 310
 311 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 312
 313         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
 314
 315         * tree.c (save_expr): No longer TREE_READONLY.
 316
 317 2004-09-04  Jan Hubicka  <jh@suse.cz>
 318
 319         * passes.c (rest_of_clean_state):  Fix merge conflict made during
 320         commiting the patch.
 321
 322 2004-09-04  Jan Hubicka  <jh@suse.cz>
 323
 324         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
 325
 326 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
 327
 328         * doc/md.texi (shift patterns): New anchor.  Add reference to
 329         TARGET_SHIFT_TRUNCATION_MASK.
 330         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
 331         * target.h (shift_truncation_mask): New target hook.
 332         * targhook.h (default_shift_truncation_mask): Declare.
 333         * targhook.c (default_shift_truncation_mask): Define.
 334         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
 335         (TARGET_INITIALIZER): Include it.
 336         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
 337         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
 338         reject all out-of-range values.  Fix sign-extension code for modes
 339         whose width is smaller than HOST_BITS_PER_WIDE_INT.
 340         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
 341         (expand_superword_shift, expand_subword_shift): Likewise.
 342         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
 343         (expand_binop): Use them to implement double-word shifts.
 344         * config/arm/arm.c (arm_shift_truncation_mask): New function.
 345         (TARGET_SHIFT_TRUNCATION_MASK): Define.
 346
 347 2004-09-04  Jan Hubicka  <jh@suse.cz>
 348
 349         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
 350         (mix): New macro copied from hashtab.c
 351         (iterative_hash_hashval_t, iterative_hash_pointer,
 352         iterative_hash_host_wide_int): New functions based on hashtab.c
 353         implementation.
 354
 355 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
 356
 357         * config/mips/mips.md (mask): New mode attribute.
 358         (zero_extendsidi2): Add memory alternative.
 359         (*zero_extendsidi2_mem): Delete.
 360         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
 361         memory_operand in the TARGET_MIPS16 check.
 362         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
 363         Redefine using :GPR and :SHORT.
 364         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
 365
 366 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
 367
 368         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
 369         using rint_optab.
 370         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
 371         expand_builtin_mathfn.
 372         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
 373         btrunc?f patterns for btrunc_optab. Implement rint_optab using
 374         rint?f patterns.
 375         * optabs.c (init_optabs): Initialize rint_optab.
 376         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
 377         Add new OTI_rint.
 378         (btrunc_optab): Rename macro from trunc_optab.
 379         (rint_optab): Define corresponding macro.
 380
 381         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
 382         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
 383
 384         * config/i386/i386-protos.h (emit_i387_cw_initialization):
 385         Change prototype. Add new int parameter.
 386         * config/i386/i386.c (emit_i387_cw_initialization):
 387         Handle new rounding modes.
 388
 389         * config/i386/i386.h (enum fp_cw_mode): Delete.
 390         (MODE_NEEDED): Handle new rounding modes.
 391         (EMIT_MODE_SET): Change condition to handle new rounding modes.
 392
 393         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
 394         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
 395         represent different rounding modes of frndint insn.
 396         (type): Add frndint type.
 397         (i387, length, memory): Handle this type.
 398         (i387_cw): New attribute definition.
 399         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
 400         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
 401         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
 402         Add "i387_cw" attribute defined to "trunc".
 403         (x86_fnstcw_1): Remove comment.
 404         (*frndintxf2): Rename insn definition to frndintxf2. Move
 405         insn definition near rint?f2 expanders.
 406         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
 407         rintf and rintl built-ins as inline x87 intrinsics.
 408         (frndintxf2_floor): New pattern to implement floor rounding
 409         mode with frndint x87 instruction.
 410         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
 411         floorf and floorl built-ins as inline x87 intrinsics.
 412         (frndintxf2_ceil): New pattern to implement ceil rounding
 413         mode with frndint x87 instruction.
 414         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
 415         ceilf and ceill built-ins as inline x87 intrinsics.
 416         (frndintxf2_trunc): New pattern to implement trunc rounding
 417         mode with frndint x87 instruction.
 418         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
 419         truncf and truncl built-ins as inline x87 intrinsics.
 420         (frndintxf2_mask_pm): New pattern to implement rounding
 421         mode with exceptions with frndint x87 instruction.
 422         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
 423         implement nearbyint, nearbyintf and nearbyintl built-ins as
 424         inline x87 intrinsics.
 425
 426 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
 427
 428         * config/mips/mips.md (SHORT): New mode macro.
 429         (size): New mode attribute.
 430         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
 431         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
 432         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
 433         !ISA_HAS_SEB_SEH.
 434         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
 435         *extend[qh]isi2_hw patterns and extending them to di.
 436         (extendqihi2): Implement as define_insn_and_split that produces
 437         extendqisi2 after reload.
 438
 439 2004-09-03  Devang Patel  <dpatel@apple.com>
 440
 441         * Makefile.in (OBJS-common): Add tree-if-conv.o
 442         (tree-if-conv.o): New rule.
 443         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
 444         (get_loop_body_in_bfs_order): New.
 445         * cfgloop.h (get_loop_body_in_bfs_order): New.
 446         * tree-flow.h (enum move_pos): Move here from ..
 447         * tree-ssa-loop-im.c (enum move_pos): here.
 448         (movement_possibility): Make externally visible.
 449         * tree-optimize.c (init_tree_optimization_passes): New entry for
 450         if conversion pass.
 451         * tree-pass.h (pass_if_conversion): New.
 452         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
 453         * tree-if-conv.c: New file.
 454         * doc/passes.texi: Document tree if-conversion pass.
 455         * doc/tree-ssa.texi: Same.
 456
 457 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 458
 459         PR target/14925:
 460         Makefile.in (LIB2ADDEHSTATIC): New.
 461         (LIB2ADDEHSHARED): New.
 462         (LIBUNWIND): New.
 463         (LIBUNWINDDEP): New.
 464         (SHLIBUNWIND_LINK): New.
 465         (SHLIBUNWIND_INSTALL): New.
 466         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
 467         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
 468         (clean): Remove libunwind*
 469         (stage1-start): Remove and copy stage1/libunwind*.
 470         (stage2-start): Remove and copy stage2/libunwind*.
 471         (stage3-start): Remove and copy stage3/libunwind*.
 472         (stage4-start): Remove and copy stage4/libunwind*.
 473         (stageprofile-start): Remove and copy stageprofile/libunwind*.
 474         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
 475
 476         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
 477         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
 478         tmake_file if --with-system-libunwind isn't used.
 479
 480         * config/ia64/t-glibc-libunwind: New file.
 481         * config/t-libunwind-elf: Likewise.
 482         * unwind-compat.c: Likewise.
 483         * unwind-compat.h: Likewise.
 484         * unwind-dw2-fde-compat.c: Likewise.
 485
 486         * config/ia64/t-glibc (LIB2ADDEH): Updated.
 487         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
 488
 489         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
 490         aliases if needed.
 491         * unwind-dw2-fde-glibc.c: Likewise.
 492         * unwind-dw2.c: Likewise.
 493
 494         * config/t-libunwind (LIB2ADDEH): Updated.
 495         (LIB2ADDEHSTATIC): New.
 496         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
 497         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
 498
 499         * configure.ac: Change --enable-libunwind-exceptions to
 500         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
 501         * configure: Regenerated.
 502         * config.in: Updated.
 503
 504         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
 505         above and mention --with-system-libunwind.
 506         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
 507         removed in gcc 3.4.3 and later.
 508
 509         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
 510         USE_LIBUNWIND_EXCEPTIONS is defined.
 511
 512         * mklibgcc.in: Support libunwind.
 513
 514 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 515
 516         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
 517         m_NOCONA.
 518
 519 2004-09-03  Richard Henderson  <rth@redhat.com>
 520
 521         PR middle-end/9997
 522         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
 523         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
 524         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
 525         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
 526         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
 527         resize_stack_vars_conflict, add_stack_var_conflict,
 528         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
 529         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
 530         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
 531         expand_one_static_var, expand_one_hard_reg_var,
 532         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
 533         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
 534         (expand_used_vars): Rewrite.
 535         * Makefile.in (cfgexpand.o): Update dependencies.
 536
 537 2004-09-04  Jan Hubicka  <jh@suse.cz>
 538
 539         * cfg.c (free_edge): Use ggc_free.
 540         (expunge_block): Use ggc_free.
 541         * passes.c (rest_of_clean_state): Free after compilation.
 542         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
 543         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
 544
 545 2004-09-03  James E Wilson  <wilson@specifixinc.com>
 546
 547         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
 548         DECL_EXTERNAL check.
 549
 550 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 551
 552         * final.c (output_in_slot): New global variable.
 553         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
 554         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
 555         'output_in_slot' before invoking output_asm_insn.
 556         (output_asm_insn): Add a space after the tab if 'output_in_slot'
 557         is set.
 558         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
 559         final_scan_insn.
 560         (output_sibcall): Likewise.
 561
 562 2004-09-03  Jan Hubicka  <jh@suse.cz>
 563
 564         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
 565         * tree-ssanames (init_ssanames): Likewise.
 566
 567 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
 568
 569         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
 570         objc_declare_protocols, objc_start_protocol,
 571         objc_start_class_interface, objc_start_category_interface,
 572         objc_continue_interface, objc_finish_interface,
 573         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
 574         objc_start_class_implementation, objc_start_category_implementation,
 575         objc_continue_implementation, objc_finish_implementation,
 576         objc_add_method_declaration, objc_start_method_definition,
 577         objc_finish_method_definition, objc_build_keyword_decl,
 578         objc_build_method_signature, objc_build_encode_expr,
 579         objc_build_protocol_expr, objc_build_selector_expr,
 580         objc_build_message_expr, objc_build_string_object,
 581         objc_get_class_reference, objc_get_protocol_qualified_type,
 582         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
 583
 584 2004-09-03  James E Wilson  <wilson@specifixinc.com>
 585
 586         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
 587
 588         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
 589         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
 590         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
 591         (mips_recip1_<fmt>): Use frdiv1 type.
 592         (mips_recip2_<fmt>): Use frdiv2 type.
 593         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
 594         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
 595         and frsqrt1.
 596         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
 597
 598 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
 599
 600         * reload.c (find_reloads): Swap operand_loc pointers for
 601         find_dummy_reload if we have swapped two operands.
 602
 603 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
 604
 605         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
 606         to get the tablejump-insn before the jump-table label.
 607
 608 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
 609
 610         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
 611         objc_declare_protocols, objc_build_message_expr,
 612         objc_finish_message_expr, objc_build_selector_expr,
 613         objc_build_protocol_expr, objc_build_encode_expr,
 614         objc_build_string_object, objc_get_protocol_qualified_type,
 615         objc_get_class_reference, objc_get_class_ivars,
 616         objc_start_class_interface, objc_start_category_interface,
 617         objc_start_protocol, objc_continue_interface, objc_finish_interface,
 618         objc_start_class_implementation, objc_start_category_implementation,
 619         objc_continue_implementation, objc_finish_implementation,
 620         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
 621         objc_add_method_declaration, objc_start_method_definition,
 622         objc_finish_method_definition, objc_add_instance_variable,
 623         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
 624         objc_finish_try_stmt, objc_begin_catch_clause,
 625         objc_finish_catch_clause, objc_build_finally_clause,
 626         objc_build_synchronized, objc_static_init_needed_p,
 627         objc_generate_static_init_call): New prototypes.
 628
 629 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
 630
 631         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
 632         is only one reg.
 633         (ia64_function_value): Ditto.
 634
 635 2004-09-03  Jan Beulich  <jbeulich@novell.com>
 636
 637         * config.gcc: Resurrect NetWare as a target. Handle special case of
 638         Novell linker to be used (specified through --with-ld=) and threading
 639         model of either Posix (default) or NKS.
 640         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
 641         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
 642         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
 643         * config/i386/netware.c, config/i386/netware.h: New.
 644         * config/i386/nwld.c, config/i386/nwld.h: New.
 645         * config/i386/netware-crt0.c: New.
 646         * config/i386/netware-libgcc.c: New.
 647         * config/i386/netware-libgcc.def: New.
 648         * config/i386/netware-libgcc.exp: New.
 649         * config/i386/t-netware, config/i386/t-nwld: New.
 650         * gthr-nks.h: New.
 651         * doc/install.texi: Document NKS threading model.
 652
 653 2004-09-03  Jan Beulich  <jbeulich@novell.com>
 654
 655         PR c/7054
 656         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
 657         * tree.h (initial_max_fld_align): Declare
 658         * stor-layout.c (initial_max_fld_align): Define and initialize.
 659         (maximum_field_alignment): Initialize to the same value.
 660         * common.opt: Add -fpack-struct= variant of switch.
 661         * opts.c: Handle -fpack-struct= variant of switch.
 662         * c-pragma.c: Change #pragma pack() handling so that it becomes
 663         compatible to other compilers: accept individual 'push' argument,
 664         make final pop restore (command line) default, correct interaction
 665         of push/pop and sole specification of a new alignment (so that the
 666         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
 667         to #pragma pack(push, <n>).
 668         * doc/extend.texi: New node "Structure-Packing Pragmas" under
 669         "Pragmas", describing #pragma pack.
 670         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
 671         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
 672         Document new TARGET_DEFAULT_PACK_STRUCT.
 673
 674 2004-09-03  Devang Patel  <dpatel@apple.com>
 675
 676         * dwarf2out.c (gen_field_die). Equate decl number to die.
 677
 678 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
 679
 680         PR target/15832
 681         * global.c (modify_reg_pav): New function.
 682         (make_accurate_live_analysis): Call the new function.  Move pavin
 683         modification by earlyclobber set into the new function.
 684
 685 2004-09-03  Andreas Schwab  <schwab@suse.de>
 686
 687         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
 688         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
 689         extended.
 690
 691 2004-09-02  Jan Beulich  <jbeulich@novell.com>
 692
 693         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
 694         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
 695         not unwind code specific ones.
 696         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
 697         Remove unwind code specific dependencies.
 698         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
 699         Remove gbl-ctors.h.
 700         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
 701         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
 702         * tsystem.h: Declare memcpy and memset when inhibit_libc.
 703
 704 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
 705
 706         * combine.c (try_combine): Delay modifying of insns which cannot
 707         be easily undone.
 708
 709 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
 710
 711         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
 712         tree-loop-im.
 713         * gcc/tree-ssa-loop.c: Ditto
 714         * gcc/tree-ssa-loop-ivcanon.c: Ditto
 715         * gcc/doc/invoke.texi: Ditto.
 716
 717 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
 718
 719         * c-decl.c (store_parm_decls_newstyle): Make static.
 720         (store_parm_decls_from): New function.
 721         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
 722         (store_parm_decls_from): New prototype.
 723
 724 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
 725
 726         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
 727         HImode with STRICT_ALIGNMENT.
 728
 729 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
 730
 731         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
 732         (TARGET_OS_CPP_BUILTINS): Likewise.
 733         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
 734         TARGET_BPABI_CPP_BUILTINS.
 735
 736 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
 737
 738         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
 739
 740 2004-09-02  Eric Christopher  <echristo@redhat.com>
 741
 742         * builtins.c (expand_builtin_cabs): Delete.
 743         (expand_builtin): If unable to fold the values do a normal
 744         library call for builtin_cab*.
 745         (fold_builtin_cabs): Depend on optimize and optimize_size.
 746         * optabs.c (expand_cmplxdiv_straight): Delete.
 747         (expand_cmplxdiv_wide): Ditto.
 748         (expand_vector_binop): Ditto.
 749         (expand_vector_unop): Ditto.
 750         (expand_complex_abs): Delete.
 751         (expand_binop): Remove calls to above functions.
 752         Remove open coding of complex arithmetic.
 753         (expand_unop): Ditto.
 754         * optabs.h: Remove prototypes.
 755
 756 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
 757
 758         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
 759         * c-tree.h (store_parm_decls_newstyle): New prototype.
 760
 761 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
 762
 763         * config/rs6000/rs6000.c (expand_block_clear): Use vector
 764         instructions if available.
 765         (expand_block_move): Likewise.
 766
 767 2004-09-03  Jan Hubicka  <jh@suse.cz>
 768
 769         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
 770
 771 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
 772
 773         * config/arm/symbian.h (LIB_SPEC): Define to empty.
 774         * config/arm/t-symbian (SHLIB_LC): Likewise.
 775
 776 2004-09-02  Paul Brook  <paul@codesourcery.com>
 777
 778         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
 779
 780 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
 781
 782         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
 783         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
 784         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
 785         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
 786         (mips_issue_rate): Remove unreachable abort.
 787         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 788         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
 789         (mips_block_move_straight, print_operand_address, mips_file_start)
 790         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
 791         (mips_output_conditional_branch, mips_expand_builtin_direct)
 792         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
 793         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
 794         with gcc_assert.
 795
 796 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
 797
 798         * config/mips/mips.md (*lea_high64): Change split condition to
 799         flow2_completed.  Add a peephole2 to generate a more parallel version.
 800
 801 2004-09-02  Jan Hubicka  <jh@suse.cz>
 802
 803         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
 804         GGC.
 805
 806         * ggc-page.c: include tree-flow.h.
 807         (extra_order_size_table): Add stmt_ann_d.
 808         (STAT_LABEL): Rename from ....
 809         (LABEL): ... this one.
 810         * Makefile.in (ggc-page.o): Add dependency.
 811
 812         * ggc-common.c (ggc_force_collect): New global variable.
 813         (loc_description): Add fields "freed", "collected"
 814         (ptr_hash): New static hash
 815         (ptr_hash_entry): New structure.
 816         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
 817         (ggc_record_overhead): Take ptr argument, record it
 818         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
 819         (cmp_statistics): Imrove sorting.
 820         (dump_ggc_loc_statistics): Output newly collected statistics
 821         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
 822         (ggc_free): Call ggc_free_overhead.
 823         (ggc_collect): Force collection when asked to be forced.
 824         (ggc_collect): Call ggc_prune_overhead_list.
 825         * ggc.h (ggc_force_collect): Declare
 826         (ggc_record_overhead): Update prototype.
 827         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
 828
 829 2004-09-02  James E Wilson  <wilson@specifixinc.com>
 830
 831         * common.opt (ftrapping-math): Default to on.
 832
 833 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
 834
 835         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
 836
 837 2004-09-02  Denis Chertykov  <denisc@overta.ru>
 838
 839         PR target/16884
 840         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
 841         match_scratch.
 842         (*movmemqi_insn): Likewise.
 843         (*movmemhi): Likewise.
 844         (clrmemhi): Likewise.
 845         (*clrmemqi): Likewise.
 846         (*clrmemhi): Likewise.
 847
 848 2004-09-02  Paul Brook  <paul@codesourcery.com>
 849
 850         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
 851         default_use_cxa_atexit=yes.
 852
 853 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
 854
 855         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
 856         (struct kernel_old_ucontext): Delete.
 857         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
 858         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
 859         when IN_LIGGCC2.
 860
 861 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
 862
 863         * toplev.c (process_options): Fix typo.
 864
 865 2004-09-01  Richard Henderson  <rth@redhat.com>
 866
 867         PR middle-end/17258
 868         * calls.c (initialize_argument_information): Tighten pass-through
 869         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
 870         Use build_fold_addr_expr.
 871         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
 872         that assumes ADDR_EXPR allocates stack space.
 873         * fold-const.c (build_fold_addr_expr_with_type): Look through
 874         WITH_SIZE_EXPR.
 875
 876 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
 877
 878         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
 879         * ggc.h (ggc_alloc_rtx): Delete.
 880
 881 2004-09-01  Roger Sayle  <roger@eyesopen.com>
 882
 883         * expmed.c (enum alg_code): Remove long unused enumeration values.
 884         (struct mult_cost): New structure to hold the "score" of a synthetic
 885         multiply sequence, including both a rtx_cost and a latency field.
 886         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
 887         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
 888         (struct algorithm): Change type of cost field to be mult_cost.
 889         (synth_mult): Change type of cost_limit argument to be a
 890         pointer to a mult_cost.  Update all cost comparisons to use the
 891         new mult_cost infrastructure.  For alg_add_factor and
 892         alg_sub_factor operations, latency is lower than the rtx_cost.
 893         (choose_mult_variant):  Update calls to synth_mult.  Perform
 894         cost comparisons using the new mult_cost infrastructure.
 895         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
 896         to optain the total rtx_cost of a synth_mult "algorithm".
 897
 898 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
 899
 900         * config/rs6000/power4.md: Increase store latency to 12.
 901         * config/rs6000/power5.md: Same.
 902
 903 2004-09-01  James E Wilson  <wilson@specifixinc.com>
 904
 905         PR target/14064
 906         * config/avr/avr.c (avr_unique_section): Delete prototype and
 907         definition.
 908         (TARGET_ASM_UNIQUE_SECTION): Delete.
 909
 910 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
 911
 912         * c-parse.in (primary): Call objc_build_message_expr(),
 913         objc_build_selector_expr(), objc_build_protocol_expr(),
 914         objc_build_encode_expr() and objc_build_string_object() instead of
 915         build_message_expr(), build_selector_expr(), build_protocol_expr(),
 916         build_encode_expr() and build_objc_string_object(), respectively.
 917         (component_decl_list2): Call objc_get_class_ivars() instead of
 918         get_class_ivars_from_name().
 919         (keyworddecl): Call objc_build_keyword_decl() instead of
 920         build_keyword_decl().
 921         (receiver): Call objc_get_class_reference() instead of
 922         get_class_reference().
 923         (reswords): Add blank line before @@ifobjc section, for clarity.
 924
 925 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
 926
 927         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
 928         to Altivec vetors.
 929
 930 2004-09-01  Wu Yongwei  <adah@sh163.net>
 931             Danny Smith  <dannysmith@users.sourceforge.net>
 932
 933         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
 934         not Windows 'DWORD'.
 935         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
 936         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
 937         (__gthr_win32_recursive_mutex_init_function): Add prototype for
 938         __GTHREAD_HIDE_WIN32API case..
 939         (__gthr_win32_recursive_mutex_lock): Likewise.
 940         (__gthr_win32_recursive_mutex_trylock): Likewise.
 941         (__gthr_win32_recursive_mutex_unlock): Likewise.
 942         (__gthread_recursive_mutex_init_function); Add definition for
 943         __GTHREAD_HIDE_WIN32API case.
 944         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
 945         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
 946         call to InterlockedDecrement.
 947
 948 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 949
 950         * tree-tailcall.c (find_tail_calls): Also fail is statement has
 951         volatile operands.
 952
 953         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
 954
 955         * doc/c-tree.texi: Document new operands for ARRAY_REF and
 956         COMPONENT_REF.
 957
 958 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 959
 960         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
 961         * common.opt (fspeculative-prefetching): New.
 962         * flags.h (flag_speculative_prefetching_set): Declare.
 963         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
 964         values.
 965         * opts.c (flag_sepculative_prefetching_set): New variable.
 966         (common_handle_option): Handle -fspeculative-prefetching.
 967         * passes.c (rest_of_compilation): Ditto.
 968         * profile.c (instrument_values, compute_value_histograms, branch_prob):
 969         Use vectors instead of arrays.
 970         * toplev.c (process_options): Handle -fspeculative-prefetching.
 971         * rtl-profile.c: Include ggc.h.
 972         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
 973         rtl_gen_one_value_profiler_no_edge_manipulation,
 974         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
 975         argument changed.
 976         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
 977         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
 978         argument changed.
 979         * value-prof.c: Include ggc.h.
 980         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
 981         macros.
 982         (insn_prefetch_values_to_profile, find_mem_reference_1,
 983         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
 984         speculative_prefetching_transform): New.
 985         (value_profile_transformations): Call speculative_prefetching_transform.
 986         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
 987         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
 988         tree_find_values_to_profile, find_values to profile): Use vectors
 989         instead of arrays.
 990         (free_profiled_values): Removed.
 991         * value-prof.h (struct histogram_value): Renamed to
 992         struct histogram_value_t.
 993         (histogram_value, histogram_values): New types.
 994         (find_values_to_profile): Declaration changed.
 995         (free_profiled_values): Removed.
 996         (struct profile_hooks): Type of argument of the hooks changed to
 997         histogram_value.
 998         * doc/invoke.texi (-fspeculative-prefetching): Document.
 999
1000 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1001
1002         PR rtl-optimization/16408
1003         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
1004
1005 2004-09-01  Richard Henderson  <rth@redhat.com>
1006
1007         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
1008         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
1009
1010 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1011
1012         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
1013
1014 2004-09-01  Mike Stump  <mrs@apple.com>
1015
1016         * config/darwin.c (machopic_symbol_defined_p): In addition to
1017         being SYMBOL_REF_LOCAL_P, a symbol must also be
1018         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
1019         defined in this output file, or translation unit in the case
1020         of IMA not being used.
1021         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
1022         never need .indirect_symbol when indirecting.
1023
1024 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1025
1026         * Makefile.in (bb-reorder.o): Add several dependencies.
1027
1028 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1029
1030         * fold-const.c (operand_equal_p): Require equal sign also for
1031         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
1032
1033 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1034
1035         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
1036         for use in configargs.h.  Put the cname in a separate variable.  Use
1037         that to set target_cpu_default2.
1038
1039 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
1040             Nick Clifton  <nickc@redhat.com>
1041
1042         * config/sh/sh.md ("length"): Increase branch length when
1043         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
1044         constant, 2 byte for aligning the constant.
1045
1046 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1047
1048         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
1049         CPU.
1050         (arm7tdmi-s): New CPU name.
1051         * arm/arm.c (ARM_CORE): Update for new format.
1052         * arm/arm.h (ARM_CORE): Likewise.
1053         * arm/gentune.sh: Update for extra field.
1054         * config.gcc: Likewise.
1055         * arm/arm-tune.md: Regenerate.
1056         * doc/invoke.texi: Document the real processor names for ARM cpus.
1057
1058 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1059
1060         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
1061         (floatdidf): New functions.
1062         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
1063         (floatdisf): New functions.
1064         * t-arm-elf: Use them.
1065
1066 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1067
1068         * c-common.h (lookup_interface): Remove prototype.
1069         (is_class_name): Rename to objc_is_class_name.
1070         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1071         (get_current_scope): Rename to objc_get_current_scope.
1072         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
1073         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
1074         (yylexname): Call objc_is_class_name() instead of is_class_name().
1075         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
1076         instead of lookup_objc_ivar().
1077         * stub-objc.c (lookup_interface): Remove stub.
1078         (is_class_name): Rename to objc_is_class_name.
1079         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1080
1081 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1082
1083         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
1084         * config/arm/lib1funcs.asm: Do not include supplemental .S files
1085         when compiling for Symbian.
1086         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
1087         (TARGET_OS_CPP_BUILTINS): Likewise.
1088         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
1089
1090 2004-08-31  Stan Shebs  <shebs@apple.com>
1091
1092         * toplev.c (process_options): Ensure debug_hooks is initialized.
1093
1094 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1095
1096         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
1097         * target.h (cxx): Add export_class_data.
1098         * config/arm/arm.c (arm_cxx_export_class_data): New function.
1099         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
1100         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
1101
1102 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
1103
1104         * config/sh/sh.c (output_branch): Check the insn length possibly
1105         in the delayed slot.
1106
1107 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1108
1109         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
1110         blank after ')'.
1111         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
1112
1113         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
1114         (c_sizeof_of_alignof_type): Likewise.
1115         * expr.c (array_ref_element_size): Likewise.
1116         (highest_pow2_factor_for_target): Likewise.
1117         * gimplify.c (canonicalize_addr_expr): Likewise.
1118         (gimplify_compound_lval): Likewise.
1119         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
1120         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1121         * varasm.c (assemble_variable): Likewise.
1122         (output_constant_def_contents): Alignments are unsigned.
1123
1124 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1125             Jeff Law  <law@redhat.com>
1126
1127         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
1128         gets modified.
1129
1130 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1131
1132         * hooks.c (hook_bool_void_true): New function.
1133         * hooks.h (hook_bool_void_true): Declare.
1134         * target-def.h (TARGET_CXX): Add
1135         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
1136         * target.h (struct cxx): Add key_method_may_be_inline.
1137         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
1138         function.
1139         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
1140         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
1141         __THUMB_INTERWORK.
1142
1143 2004-08-31  Denis Chertykov  <denisc@overta.ru>
1144
1145         PR target/15417
1146         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
1147         frame pointer register only in Pmode while reload in progress.
1148
1149 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
1150
1151         PR target/15334
1152         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
1153         because it breaks the 32-bit shift patterns that rely on a match_dup.
1154
1155 2004-08-31  Matt Austern  <austern@apple.com>
1156
1157         * config/darwin.c (darwin_make_decl_one_only): Allocate section
1158         names once per compilation, instead of once per symbol.
1159
1160 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
1161
1162         * Makefile.in (build_subdir): New substitution.
1163         (fixinc.sh): Simplify heavily since fixincludes is already built.
1164         (stmp-fixinc): Depend on specs.ready.
1165         (install-mkheaders): Use new location of fixincludes.
1166         (clean): Do not descend into fixinc.
1167         (FORBUILD): Replace with ../$(build_subdir).
1168         * configure.ac (build_subdir): Substitute.
1169         (FORBUILD): Do not set.
1170         (all_outputs): Remove fixinc/Makefile.
1171         (default commands): Do not create links in fixinc.
1172         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
1173         the fixincludes configuration steps and substituting
1174         @FIXINCL@ in fixinc.in.
1175         * fixinc.in: New, from fixinc/fixincl.sh.
1176
1177         * fixinc/*: Removed.
1178
1179 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1180
1181         * attribs.c (strip_attrs): Remove.
1182         (split_specs_attrs): Move ...
1183         * c-decl.c: ... to here.
1184         * tree.h (split_specs_attrs, strip_attrs): Remove.
1185         * c-tree.h (split_specs_attrs): Declare.
1186
1187 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1188
1189         * read-rtl.c: Disable RTL checking.
1190         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
1191
1192 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1193
1194         * config/mips/mips.md (fcond): New code macro and attribute.
1195         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
1196         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
1197         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
1198
1199 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
1200
1201         Revert:
1202         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1203         PR rtl-optimization/16590
1204         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1205
1206 2004-08-30  Andrew Pinski  <apinski@apple.com>
1207
1208         * hard-reg-set.h:
1209         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
1210         * ChangeLog: Fix previous ChangeLog entry.
1211
1212         PR rtl-opt/13987
1213         * config.host (use_long_long_for_widest_fast_int): New, default is
1214         off.
1215         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
1216         * configure.ac: If use_long_long_for_widest_fast_int, then
1217         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
1218         * configure: Regenerate.
1219         * config.in: Regenerate.
1220         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
1221         New: widest integer type supported efficiently in hardware for the
1222         host.
1223         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
1224         HOST_BITS_PER_WIDEST_FAST_INT.
1225         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
1226         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
1227         HOST_WIDEST_FAST_INT
1228         instead of HOST_WIDE_INT.
1229         (HARD_REG_SET_LONGS): Likewise.
1230         (UHOST_BITS_PER_WIDE_INT): Likewise.
1231         Change the checks for the fast cases to be based on
1232         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
1233
1234 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1235
1236         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1237         not the pointers.
1238
1239 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1240
1241         PR 12738
1242         PR 17205
1243         Radar 3460526
1244         Radar 3775729
1245         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1246         function declaration.
1247
1248 2004-08-30  Richard Henderson  <rth@redhat.com>
1249
1250         * expr.c (array_ref_element_size): Force aligned_size back to
1251         sizetype.
1252         (component_ref_field_offset): Similarly for aligned_offset.
1253         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1254         low-bound, element-size, field-offset fields rather than
1255         computed values.
1256
1257 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1258
1259         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
1260         redundant code.
1261
1262 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1263
1264         * c-tree.h (struct language_function): Add arg_info element.
1265         * c-decl.c (current_function_arg_info): New.
1266         (grokdeclarator, store_parm_decls): Use it instead of
1267         DECL_ARGUMENTS.
1268         (c_push_function_context, c_pop_function_context): Save and
1269         restore it.
1270
1271 2004-08-30  Richard Henderson  <rth@redhat.com>
1272
1273         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
1274         COMPONENT_REF to pointer arithmetic.
1275         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
1276         constant "c" as a valid constant initializer.  Allow narrowing of
1277         differences against the same base object, for any base object.
1278
1279 2004-08-30  Richard Henderson  <rth@redhat.com>
1280
1281         * expr.c (expand_expr_addr_expr): New.
1282         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
1283
1284 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1285
1286         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
1287         (mips_fp_condition): New enum.
1288         (mips_fp_conditions): New array.
1289         (print_fcc_operand): Delete.
1290         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
1291         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
1292         (builtin_description): Add "cond" field.
1293         (DIRECT_BUILTIN): Initialize it.
1294         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
1295         into INSN and CODE.  Initialize the "cond" field.
1296         (CMP_BUILTINS): Update accordingly.
1297         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
1298         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
1299         mips_fp_condition as argument.  Make it the final operand of the
1300         comparison instruction.
1301         (mips_expand_builtin): Update accordingly.
1302         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
1303         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
1304         the gaps.
1305         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
1306         Don't use the 'Q' operand prefix; just print the operand normally.
1307         (mips_cabs_*, mips_c_*): Delete, replacing with...
1308         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
1309         patterns.  Split the 4s versions into 2 ps patterns after reload.
1310
1311 2004-08-30  Richard Henderson  <rth@redhat.com>
1312
1313         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
1314         assuming an ADDR_EXPR is non-null.
1315
1316 2004-08-30  Jason Merrill  <jason@redhat.com>
1317
1318         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
1319
1320 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1321
1322         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
1323         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
1324         gcc_assert and gcc_unreachable instead of abort.
1325         * alloc-pool.c (abort, fancy_abort): Remove.
1326         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
1327         gcc_assert or gcc_unreachable.
1328         * attribs.c (init_attributes, decl_attributes): Likewise.
1329         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
1330         mark_bb_for_unlikely_executed_section,
1331         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
1332         fix_crossing_unconditional_branches):  Likewise.
1333         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
1334         bitmap_operation):  Likewise.
1335         * bt-load.c (insn_sets_btr_p, augment_live_range,
1336         move_btr_def):  Likewise.
1337         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
1338         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
1339         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
1340         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
1341         expand_builtin_memcmp, expand_builtin_args_info,
1342         std_gimplify_va_arg_expr, expand_builtin_unop,
1343         expand_builtin_fputs, expand_builtin_profile_func,
1344         expand_builtin_fork_or_exec, fold_builtin_bitop,
1345         fold_builtin_classify, fold_builtin_fputs): Likewise.
1346
1347 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1348
1349         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
1350         * gcov.c (abort): Remove undef.
1351
1352         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
1353         (struct tree_binfo): Remove primary field.
1354
1355 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1356
1357         * fixinc/Makefile.in (machname.h): Remove.
1358         (fixincl.x): Do not pass $@ to genfixes.
1359         * fixinc/genfixes: Remove code to produce machname.h.
1360         * fixinc/fixincl.sh: Move it here instead.
1361         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
1362         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
1363         return a bool indicating whether pz_mn_name_pat is NULL.
1364         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
1365         Declare extern C variables for the ENV_TABLE.
1366         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
1367         instead use the result of mn_get_regexps.
1368         * fixinc/fixtests.c: Likewise.
1369
1370 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1371
1372         * configure.ac: Do not run fixincludes after stage1 during
1373         toplevel bootstrap.
1374         * configure: Regenerate.
1375
1376 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1377
1378         * sched-deps.c (get_condition): Partially revert previous, by never
1379         trying to extract the condition from a condjump.
1380
1381 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1382
1383         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
1384         (handle_visibility_attribute, c_determine_visibility): Likewise.
1385         * c-common.h (my_friendly_assert): Remove.
1386
1387 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1388
1389         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
1390         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
1391         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
1392         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
1393         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
1394
1395 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
1396
1397         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
1398         in COMPONENT_REF nodes.
1399
1400 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1401
1402         PR c++/15378
1403         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
1404         global_dc->warning_as_error_requested.
1405         * diagnostic.c (diagnostic_initialize): Tidy.
1406         * diagnostic.h (diagnostic_context::x_data): Remove
1407         (diagnostic_context::issue_warnings_are_errors_message): Rename
1408         from warnings_are_errors_message.
1409         (diagnostic_context::warning_as_error_requested): New.
1410
1411 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1412
1413         * sched-deps.c (get_condition): Fix breakage in previous patch.
1414
1415 2004-08-30  Paul Brook  <paul@codesourcery.com>
1416
1417         * doc/install.texi: Fix broken mpfr link.
1418
1419 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
1420
1421         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
1422         other FreeBSD platforms.
1423
1424 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1425
1426         * arm.h (REVERSE_CONDITION): Define.
1427         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
1428
1429 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1430
1431         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
1432         just the codes, call reversed_comparison_code ().
1433         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
1434         (not_reg_cond): Use reversed_comparison_code.
1435         (and_reg_cond): Likewise.
1436         * ifcvt.c (cond_exec_process_if_block): Likewise.
1437         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
1438
1439 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1440
1441         * sched-deps.c (get_condition): Rewrite using jump support functions.
1442         Use reversed_comparison_code.
1443         (conditions_mutex_p): Use reversed_comparison_code.
1444
1445 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1446
1447         * config/mips/mips.c (override_options): Disable hot/cold partitioning
1448         for MIPS16.
1449
1450 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1451
1452         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
1453         (mips_function_type): Move to mips.c.
1454         * config/mips/mips.c (mips_builtin_type): New enum.
1455         (builtin_description): Replace code and ftype with builtin_type
1456         and function_type.
1457         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
1458         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
1459         (CODE_FOR_mips_abs_ps): Define.
1460         (mips_bdesc): Use new macros.
1461         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
1462         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
1463         (mips_expand_builtin_direct): New function.
1464         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
1465         builtin.  Replace boolean parameter with builtin_type.
1466         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
1467         (mips_expand_4s_compare_builtin): Delete, replacing with...
1468         (mips_expand_builtin_compare): ...this new function.
1469
1470 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1471
1472         PR rtl-optimization/16590
1473         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1474
1475 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1476
1477         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
1478         * tree-ssa-propagate.c: Fix documentation.
1479
1480 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1481
1482         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
1483         (mov[sd]fcc): Likewise.
1484
1485 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1486
1487         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
1488
1489 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1490
1491         * config/mips/mips.md (divide_condition): New mode attribute.
1492         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
1493         (sqrt[sd]f3): Redefine using SCALARF.
1494         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
1495         patterns.
1496
1497 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1498
1499         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
1500         (loadx, storex, fmt, UNITMODE): New mode attributes.
1501         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
1502         (mul[sd]f3): Redefine using :SCALARF.
1503         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
1504         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
1505         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
1506         Check TARGET_FUSED_MADD for V2SF too.
1507         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
1508         were already named.
1509         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
1510         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
1511
1512 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1513
1514         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
1515         V2SF_type_node if it will be needed.
1516
1517 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1518
1519         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
1520         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
1521         (mips_prepare_builtin_target): New function.
1522         (mips_expand_builtin): Use them.  Update calls to subroutines.
1523         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
1524         cmp_choice with a boolean argument to select between movt and movf.
1525         Take the comparison's icode as an argument, not the function's fcode.
1526         (mips_expand_compare_builtin): New function.  Rename existing function
1527         to mips_expand_scalar_compare_builtin.
1528         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
1529         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
1530         comparison's icode as an argument, not the builtin's fcode.
1531
1532 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1533
1534         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
1535         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
1536         registers are false and -1 if all registers are true.
1537         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
1538         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
1539         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
1540         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
1541         (bc1any2t, bc1any2f): Likewise CCV2.
1542         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
1543
1544 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1545
1546         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
1547         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
1548         UNSPEC rather than an IF_THEN_ELSE.
1549         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
1550         mips_cond_move_tf_ps by name.
1551
1552 2004-08-29  Chao-ying Fu  <fu@mips.com>
1553             James E Wilson  <wilson@specifixinc.com>
1554
1555         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
1556         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
1557         * config/mips/mips-ps-3d.md: New file.
1558         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
1559         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
1560         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
1561         (mips_output_move): Emit "mov.ps" for V2SFmode.
1562         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
1563         MODE_VECTOR_FLOAT.
1564         (override_options): Check if TARGET_MIPS3D and there was an explicit
1565         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
1566         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
1567         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
1568         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
1569         and allow CCV2 and CCV4 to occupy two and four CC registers.
1570         (print_fcc_operand): New function.
1571         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
1572         %Z to call print_fcc_operand.
1573         (mips_function_value): Handle MODE_VECTOR_FLOAT.
1574         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
1575         (mips_vector_mode_supported_p): New function.
1576         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
1577         (builtin_description): New struct.
1578         (mips_bdesc): New array of struct builtin_description.
1579         (mips_expand_builtin, mips_init_builtins,
1580         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
1581         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
1582         functions.
1583         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
1584         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
1585         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
1586         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
1587         "-mips3d", and "-mno-mips3d".
1588         (ASM_SPEC): Map -mips3d to -mips3d in gas.
1589         (EXTRA_CONSTRAINT_Y): New macro.
1590         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
1591         multi-letter constraint 'Y'.
1592         (CONSTRAINT_LEN): New macro.
1593         (enum mips_builtins): New for MIPS builtin functions.
1594         (enum mips_function_type): New for the types of MIPS builtin functions.
1595         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
1596         * config/mips/mips.md: New constants for paired single and MIPS-3D
1597         instructions.  Include the new mips-ps-3d.md file.
1598         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
1599         movv2sf_hardfloat_64bit): New named patterns.
1600         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
1601         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
1602         sdxc1_v2sf_di): New unnamed patterns.
1603         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
1604         const_vector support.
1605         (const_0_or_1_operand): New predicate.
1606         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
1607
1608 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1609
1610         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
1611         (tree-ssa-propagate.o): New rule.
1612         (GTFILES): Add tree-ssa-propagate.c.
1613         * tree-flow.h (struct stmt_ann_d): Remove field
1614         in_ccp_worklist.
1615         * tree-ssa-propagate.c: New file.
1616         * tree-ssa-propagate.h: New file.
1617         * tree-ssa-ccp.c: Re-write to use the routines from
1618         tree-ssa-propagate.c.
1619
1620 2004-08-28  Andrew Pinski  <apinski@apple.com>
1621
1622         * tree-ssa-loop.c: Remove extra include of basic-block.h.
1623
1624 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
1625
1626         * c-common.h: Update comments about ObjC/ObjC++ entry points.
1627         (objc_is_reserved_word): New prototype.
1628         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
1629         separate section; these are call-backs.
1630         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
1631         ObjC/ObjC++ "@" keywords.
1632         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
1633         prototypes; they already live in c-common.h.
1634         * stub-objc.c: Update copyright notice.
1635         (objc_is_reserved_word): New stub.
1636
1637 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
1638
1639         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
1640         even when not checking.
1641
1642 2004-08-27  Jason Merrill  <jason@redhat.com>
1643
1644         PR c++/13684
1645         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
1646         (gimple_push_cleanup): Add eh_only parm.
1647         (gimplify_target_expr): Pass it.
1648         * c.opt (-fno-threadsafe-statics): New option.
1649         * c-opts.c (c_common_handle_option): Handle it.
1650         * c-common.h (flag_threadsafe_statics): Declare it.
1651         * c-common.c (flag_threadsafe_statics): Record it.
1652         * doc/invoke.texi: Document it.
1653         * tsystem.h (_GNU_SOURCE): Define.
1654         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
1655         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
1656         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
1657         (__gthread_recursive_mutex_init_function): New fn.
1658         (__gthread_recursive_mutex_lock): New fn.
1659         (__gthread_recursive_mutex_trylock): New fn.
1660         (__gthread_recursive_mutex_unlock): New fn.
1661         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
1662         * gthr-win32.h, gthr-vxworks.h: Likewise.
1663         * gthr.h: Document.
1664
1665 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
1666
1667         * config/rs6000/rs6000.c (rs6000_override_options): Increase
1668         maximum skip to 15.  Set function alignment, jump alignment, and
1669         loop alignment to 16 for processors that form dispatch groups.
1670         (rs6000_rtx_costs): outer_code is used.
1671
1672 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1673
1674         * stor-layout.c (sizetype_set): Remove.
1675         (set_sizetype): Don't test or set it.
1676
1677         * tree.h (size_int_type): Remove.
1678         * fold-const.c: Do not #include gt-fold-const.h.
1679         (size_htab_hash, size_htab_eq): Remove.
1680         (size_int_kind): Use build_int_cst.
1681         (new_const, size_htab): Remove.
1682         (size_int_type): Remove.
1683         (round_up): Use build_int_cst.
1684         (round_down): Likewise. Remove spurious constant build.
1685
1686 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1687
1688         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
1689         Add is_release variable, use it for --enable-werror and
1690         --enable-checking defaults.
1691         * system.h (gcc_assert, gcc_unreachable): New.
1692         * doc/install.texi (--enable-checking): Update.
1693         * configure, config.in: Rebuilt.
1694
1695 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
1696
1697         * rtl.h (read_rtx): Change prototype.
1698         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
1699         line number.  Return true on success.
1700         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
1701         callers accordingly.
1702
1703 2004-08-26  Richard Henderson  <rth@redhat.com>
1704
1705         * c-typeck.c (build_offsetof): Remove.
1706         * c-tree.h (build_offsetof): Remove.
1707         * c-common.c (fold_offsetof_1, fold_offsetof): New.
1708         * c-common.h (fold_offsetof): Declare.
1709         * c-parse.in (offsetof_base): New.
1710         (offsetof_member_designator): Use it.  Build references, not just
1711         a tree list.
1712         (primary): Use fold_offsetof, not build_offsetof.
1713
1714 2004-08-26  Richard Henderson  <rth@redhat.com>
1715
1716         * tree.c (staticp): Return the static object.
1717         * tree.h (staticp): Update decl.
1718         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
1719         * langhooks.c (lhd_staticp): Return NULL_TREE.
1720         * langhooks-def.h (lhd_staticp): Update decl.
1721         * c-common.c (c_staticp): Return the static object.
1722         * c-common.h (c_staticp): Update decl.
1723
1724 2004-08-26  Richard Henderson  <rth@redhat.com>
1725
1726         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
1727         modes.
1728
1729 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1730
1731         PR c/13801
1732         * c-decl.c (struct c_binding): Add type and inner_comp fields.
1733         (bind): Set type and inner_comp fields.
1734         (pop_scope): Restore type of decl to the correct type from an
1735         outer scope.  Give error when popping file scope for incomplete
1736         arrays completed incompatibly with default initialization in an
1737         inner scope.
1738         (diagnose_mismatched_decls): Handle externs with initializers at
1739         block scope.
1740         (pushdecl): Set type of external declaration at block scope based
1741         only on the visible declarations.  Save type when changing the
1742         type of a declaration.  Merge an external declaration at block
1743         scope with a visible static declaration at file scope.
1744         (implicitly_declare): Give recycled old declaration the new type
1745         except for incompatible declarations of built-in functions, saving
1746         the old type.
1747
1748 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
1749
1750         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
1751
1752 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1753
1754         * tree-alias-common.c (gate_pta): New function.
1755         (pass_build_pta): Use it.
1756         (pass_del_pta): Use it.
1757         (delete_alias_vars): Don't check flag_tree_points_to.
1758
1759 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1760
1761         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
1762         TFmode as additional register mode cloberred by call.
1763
1764 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1765
1766         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
1767         parallel pattern for library call returning DImode in
1768         mixed mode.
1769
1770 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1771
1772         * config/rs6000/rs6000.c (function_arg): Generate parallel
1773         pattern for more split args.
1774
1775 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1776
1777         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
1778         either gen_movdi_di_update or gen_movdi_si_update depending on
1779         target mode.
1780         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
1781         to generate two versions.
1782
1783 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1784
1785         * Makefile.in (lambda-code.o): New.
1786         (lambda-trans.o): Ditto.
1787         (TREE_DATA_REF_H): Ditto.
1788         (LAMBDA_H): Ditto.
1789         (lambda-mat.o): Use LAMBDA_H.
1790         (tree-data-ref.o): Ditto.
1791         * lambda-code.c: New file.  Lambda code generation algorithm.
1792         * lambda-trans.c: Ditto. Lambda transformation matrix support.
1793         * lambda.h: Add lambda loop structures.
1794         Add lambda loopnest structures.
1795         Add lambda body vector structure.
1796         Add lambda linear expression structures.
1797         Add prototypes for functions in new files.
1798         * lambda-mat.c: Include tree.h
1799
1800 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
1801             Sebastian Pop  <pop@cri.ensmp.fr>
1802
1803         * tree-data-ref.h: Include lambda.h
1804         (free_dependence_relation): Declared here.
1805         (free_dependence_relations): Ditto.
1806         (free_data_refs): Ditto.
1807         * tree-data-ref.c (free_dependence_relation): New function.
1808         (free_dependence_relations): Ditto.
1809         (free_data_refs): Ditot.
1810         (analyze_all_data_dependences): Free datarefs and dependence_relations.
1811         (build_classic_dist_vector): Store in the dependence_relations the
1812         information. Each arc in the dependence_relations graph is labelled
1813         with the distance and direction vectors.
1814         (build_classic_dir_vector): Ditto.
1815         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
1816         Now computes again the whole dependence graph including read-read
1817         relations.
1818         (compute_data_dependences_for_loop): Now dependence_relations contains
1819         all the data, and thus it doesn't need to initialize the classic_dir
1820         and classic_dist vectors.
1821         (analyze_all_data_dependences): Adjusted for using the new interface of
1822         compute_data_dependences_for_loop.  Remove the statistics dump.
1823
1824 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
1825
1826         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
1827         (xtensa_expand_block_move): Update comment.
1828         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
1829
1830 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
1831
1832         PR target/13506
1833         * toplev.c (crash_signal): If we crashed while emitting
1834         a user asm, then die more gracefully.
1835
1836 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1837
1838         PR target/17119.
1839         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
1840         checking for a valid constant, regardless of sign.
1841
1842 2004-08-25  Richard Henderson  <rth@redhat.com>
1843
1844         PR target/16974
1845         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
1846         if the constant satisfies add_operand.
1847
1848 2004-08-25  Richard Henderson  <rth@redhat.com>
1849
1850         PR debug/10695
1851         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
1852         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
1853         unwind info for >16-bit frames.
1854
1855 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
1856
1857         PR target/17171
1858         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
1859
1860 2004-08-25  Richard Henderson  <rth@redhat.com>
1861
1862         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
1863         (TARGET_CANNOT_FORCE_CONST_MEM): New.
1864
1865 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1866
1867         * doc/tree-ssa.texi: Document new operand iterator.
1868
1869 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
1870
1871         PR target/16480
1872         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
1873         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
1874         as PLUS base regs.
1875
1876 2005-08-28  Paul Brook  <paul@codesourcery.com>
1877
1878         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
1879         -mfpu=vfp -march=armv5t
1880         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
1881
1882 2004-08-25  Richard Henderson  <rth@redhat.com>
1883
1884         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1885         * target.h (struct gcc_target): Add scalar_mode_supported_p.
1886         * targhooks.c (default_scalar_mode_supported_p): New.
1887         * targhooks.h (default_scalar_mode_supported_p): Declare.
1888         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
1889
1890         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
1891         before attempting to create types.  Tidy.
1892         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
1893
1894         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
1895         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1896
1897 2004-08-25  Richard Henderson  <rth@redhat.com>
1898
1899         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1900         set REAL_MODE_FORMAT for TFmode.
1901
1902 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1903
1904         * c-decl.c (grokparm): New function.
1905         * c-tree.h (grokparm): New prototype.
1906
1907 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1908
1909         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
1910         iterator controlling structure.
1911         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
1912         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
1913         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
1914         iterator flags.
1915         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
1916         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
1917         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
1918         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
1919         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
1920         Empty operand pointers.
1921         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
1922         (op_iter_next_use): New.  Return next use_operand_p.
1923         (op_iter_next_def): New.  Return next def_operand_p.
1924         (op_iter_next_tree): New.  Return next operands as a tree.
1925         (op_iter_init): New.  Initialize an iterator structure.
1926         (op_iter_init_use): New.  Initialize structure and get the first use.
1927         (op_iter_init_def): New.  Initialize structure and get the first def.
1928         (op_iter_init_tree): New.  Initialize structure and get the first tree.
1929         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
1930         (op_iter_init_maydef): New.  Initialize structure and get the first
1931         V_MAY_DEF operands.
1932         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
1933         * tree-dfa.c (compute_immediate_uses_for_stmt,
1934         redirect_immediate_uses): Use new operand iterator.
1935         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
1936         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
1937         operands instead of using *_disappeared_p routines.
1938         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
1939         ssa_rewrite_stmt): Use new operand iterator.
1940         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
1941         rewrite_trees): Use new operand iterator.
1942         * tree-pretty-print.c (dump_vops): Use new operand iterator.
1943         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
1944         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
1945         dump_points_to_info): Use new operand iterator.
1946         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
1947         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
1948         operand iterator.
1949         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
1950         propagate_necessity): Use new operand iterator.
1951         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
1952         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
1953         a parameter instead of a stmt_ann_t.
1954         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
1955         build_tree_conflict_graph): Use new operand iterator.
1956         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
1957         rewrite_mem_refs): Use new operand iterator.
1958         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
1959         check_loop_closed_ssa_use): Use new operand iterator.
1960         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
1961         * tree-ssanames.c (release_defs): Use new operand iterator.
1962         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
1963
1964 2004-08-25  Adam Nemet  <anemet@lnxw.com>
1965
1966         * tlink.c (initial_cwd): New variable.
1967         (tlink_init): Initialize it.
1968         (recompile_files): Use tlink_execute() instead of system().  Don't
1969         duplicate verbose output of collect_execute.  Restore initial_cwd.
1970         Update comment before the function.
1971
1972 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1973
1974         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
1975         accept) a cast from one Objective-C pointer type to another.
1976
1977 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
1978
1979         * doc/install.texi: Document that libstdc++-v3 requires
1980         now automake 1.9.1.
1981
1982 2004-08-25  Caroline Tice  <ctice@apple.com>
1983
1984         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
1985         to comments at start of function.
1986         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
1987         comment.
1988         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1989         merge_blocks_move_predecessor_nojumps,
1990         merge_blocks_move_successor_nojumps, merge_blocks_move,
1991         try_crossjump_to_edge, try_crossjump_bb): Likewise.
1992         * cfglayout.c (fixup_reorder_chain): Likewise.
1993         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1994         cfg_layout_can_merge_blocks_p):  Likewise.
1995         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
1996         * passes.c (rest_of_compilation): Update comments for calling
1997         optimization that partitions hot/cold basic blocks.
1998         * doc/invoke.texi:  Update documentation of
1999         freorder-blocks-and-partition flag.
2000
2001 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2002
2003         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
2004         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
2005
2006 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2007
2008         * config/mips/mips.md (any_shift): New code macro.
2009         (optab, insn): New code attributes.
2010         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
2011         Use the standard rather than internal patterns for the MIPS16
2012         double-shift optimization.
2013         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
2014         Redefine using :GPR and any_shift.
2015         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
2016         to cover all three shifts.
2017         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
2018         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
2019         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
2020
2021 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
2022
2023         * gimplify.c (lookup_tmp_var): Separate temporaries when not
2024         optimizing.
2025
2026 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2027
2028         PR libstdc++/17005 (fix for HP-UX 11.11)
2029         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
2030         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
2031         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
2032         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
2033         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
2034         (LINK_SPEC): Handle march=1.0 option.
2035         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2036         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
2037         (SUBTARGET_OPTIONS): New define.
2038         (LINK_SPEC): Handle march=1.0 option.
2039         (STARTFILE_SPEC): New define.
2040         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2041         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
2042         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
2043         (SUBTARGET_OPTIONS): New define.
2044         (LINK_SPEC): Handle march=1.0 option.
2045         (STARTFILE_SPEC): New define.
2046         * config/pa/pa.c (override_options): Add code to process -munix= option.
2047         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
2048         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
2049         defines.
2050         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
2051         (SUBTARGET_OPTIONS): Provide default define.
2052         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
2053         STANDARD_STARTFILE_PREFIX_2): New defines.
2054         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
2055         (ENDFILE_SPEC): Use %O.
2056         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
2057         Mention issue caused by changing namespace and runtime to UNIX 95/98.
2058         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
2059         Document -munix=std option.
2060
2061 2004-08-25  Steven Bosscher  <stevenb@suse.de>
2062
2063         * cse.c (cse_around_loop, cse_check_loop_start,
2064         cse_set_around_loop): Remove.
2065         (cse_basic_block): Remove the around_loop argument.
2066         (cse_end_of_basic_block): Remove the after_loop argument.
2067         (cse_main): Likewise.
2068         * rtl.h (cse_main): Update prototype.
2069         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
2070         rest_of_handle_gcse): Update cse_main calls.
2071
2072 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
2073
2074         * tree.h  (build_int_cst): New, sign extended constant.
2075         (build_int_cstu): New, zero extended constant.
2076         (build_int_cst_wide): Renamed from build_int_cst.
2077         * tree.c (build_int_cst, build_int_cstu): New.
2078         (build_int_cst_wide): Renamed from build_int_cst.
2079         (make_vector_type, build_common_tree_nodes,
2080         build_common_tree_nodes_2): Adjust build_int_cst calls.
2081         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2082         expand_builtin_strpbrk, expand_builtin_fputs,
2083         build_string_literal, expand_builtin_printf,
2084         expand_builtin_sprintf, fold_builtin_classify_type,
2085         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
2086         fold_builtin_toascii, fold_builtin_isdigit,
2087         simplify_builtin_strstr, simplify_builtin_strpbrk,
2088         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
2089         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
2090         DEF_ATTR_INT): Likewise.
2091         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
2092         Likewise.
2093         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2094         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
2095         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2096         * c-typeck.c (really_start_incremental_init, push_init_level,
2097         set_nonincremental_init_from_string): Likewise.
2098         * calls.c (load_register_parameters): Likewise.
2099         convert.c (convert_to_pointer): Likewise.
2100         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2101         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
2102         build_gcov_info): Likewise.
2103         * except.c (init_eh, assign_filter_values): Likewise.
2104         * expmed.c (store_fixed_bit_field, extract_bit_field,
2105         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2106         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2107         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2108         * expr.c (convert_move, emit_group_load, emit_group_store,
2109         expand_assignment, store_constructor, store_field,
2110         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2111         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2112         invert_truthvalue, optimize_bit_field_compare,
2113         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2114         fold_div_compare, fold, fold_read_from_constant_string,
2115         fold_negate_const, fold_abs_const, fold_not_const, round_up,
2116         round_down): Likewise.
2117         * function.c (assign_parm_setup_block): Likewise.
2118         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
2119         Likewise.
2120         * stor-layout.c (layout_type, initialize_sizetypes,
2121         set_min_and_max_values_for_integral_type): Likewise.
2122         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2123         reset_evolution_in_loop): Likewise.
2124         * tree-chrec.h (build_polynomial_chrec): Likewise.
2125         * tree-complex.c (build_replicated_const): Likewise.
2126         * tree-eh.c (honor_protect_cleanup_actions,
2127         lower_try_finally_onedest, lower_try_finally_copy,
2128         lower_try_finally_switch): Likewise.
2129         * tree-mudflap.c (mf_build_string, mx_register_decls,
2130         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2131         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2132         * tree-pretty-print.c (dump_generic_node): Likewise.
2133         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2134         Likewise.
2135         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2136         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2137         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2138         Likewise.
2139         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
2140         canonicalize_loop_induction_variables): Likewise.
2141         * tree-vectorizer.c (vect_create_index_for_array_ref,
2142         vect_transform_loop_bound, vect_compute_data_ref_alignment):
2143         Likewise.
2144
2145         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
2146         alpha_gimplify_va_arg_1): Likewise.
2147         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2148         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2149         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2150         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2151         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2152         mips_gimplify_va_arg_expr): Likewise.
2153         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2154         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2155         add_compiler_branch_island): Likewise.
2156         * config/s390/s390.c (s390_va_start): Likewise.
2157         * config/sh/sh.c (sh_va_start): Likewise.
2158         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2159         Likewise.
2160         * config/xtensa/xtensa.c (xtensa_va_start,
2161         xtensa_gimplify_va_arg_expr): Likewise.
2162
2163         * objc/objc-act.c (build_objc_string_object,
2164         build_objc_symtab_template, init_def_list, init_objc_symtab,
2165         init_module_descriptor, generate_static_references,
2166         build_selector_translation_table, get_proto_encoding,
2167         build_typed_selector_reference, build_selector_reference,
2168         build_next_objc_exception_stuff,
2169         build_method_prototype_list_template, generate_descriptor_table,
2170         generate_protocols, build_protocol_initializer,
2171         build_ivar_list_template, build_method_list_template,
2172         build_ivar_list_initializer, generate_ivars_list,
2173         generate_dispatch_table, generate_protocol_list,
2174         build_category_initializer, build_shared_structure_initializer,
2175         generate_shared_structures, handle_impent,
2176         generate_objc_image_info): Likewise.
2177
2178 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
2179
2180         * cfglayout.c (duplicate_insn_chain): Remove references to
2181         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
2182         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
2183         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
2184         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
2185         and NOTE_INSN_LOOP_CONT.
2186         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
2187         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
2188         and NOTE_INSN_LOOP_CONT.
2189         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
2190         check_dbra_loop, loop_dump_aux): Remove references to removed notes
2191         and fields.
2192         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
2193         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
2194         references to removed notes and fields.
2195         (subtract_reg_term, ujump_to_loop_cont): Remove.
2196
2197 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
2198
2199         * doc/install.texi: Document that libcpp does not require
2200         Automake any longer.  Document that Automake 1.9.1 should
2201         work everywhere.
2202
2203 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2204
2205         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
2206         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
2207         DWARF_DEBUGGING_INFO from choice-of-definition chain;
2208         restructure using C89 features (#elif, #error).
2209         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
2210         * config/sh/sh.h: Remove references to DWARF_DEBUG.
2211         * doc/invoke.texi: Remove references to DWARF version 1;
2212         clarify why -gdwarf-2<n> doesn't work.
2213
2214 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2215
2216         * basic-block.h (BB_SET_PARTITION): Clear old value first.
2217         * cfg.c (clear_bb_flags): Don't clear partition setting.
2218         * ifcvt.c (find_if_case_1): Remove ??? comment.
2219
2220 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
2221
2222         PR target/17052
2223         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
2224         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2225         current_function_stdarg in place of sysv_varargs_p.
2226         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
2227         sysv_varargs_p.
2228
2229 2004-08-24  Richard Henderson  <rth@redhat.com>
2230
2231         PR target/16298
2232         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
2233         random codes within CONST.
2234
2235 2004-08-24  James E Wilson  <wilson@specifixinc.com>
2236
2237         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
2238         -freorder-blocks-and-partition.
2239
2240 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2241
2242         PR middle-end/17044
2243         * tree-ssa-threadupdate.c (redirection_data): Make static.
2244         (thread_block): Use ggc_alloc_cleared to allocate struct
2245         redirection_data.  Don't free elements in redirection_data.
2246
2247 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2248
2249         * config/mips/predicates.md (small_data_pattern): Match prefetches.
2250
2251 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2252
2253         PR tree-optimization/17016
2254         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2255         number_of_iterations_exit): Use POINTER_TYPE_P instead
2256         of testing for POINTER_TYPE.
2257
2258 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2259
2260         * tree-ssa-loop-ivcanon.c: New file.
2261         * tree-ssa-loop-manip.c (create_iv): New function.
2262         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
2263         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
2264         * cfgloop.c (mark_single_exit_loops): New function.
2265         (verify_loop_structure): Verify single-exit loops.
2266         * cfgloop.h (struct loop): Add single_exit field.
2267         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
2268         (mark_single_exit_loops): Declare.
2269         (tree_num_loop_insns): Declare.
2270         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
2271         (duplicate_loop_to_header_edge): Use it.
2272         * common.opt (fivcanon): New flag.
2273         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
2274         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
2275         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
2276         (bsi_insert_on_edge_immediate): New function.
2277         * tree-flow.h (bsi_insert_on_edge_immediate,
2278         canonicalize_induction_variables, tree_unroll_loops_completely,
2279         create_iv): Declare.
2280         * tree-optimize.c (init_tree_optimization_passes): Add
2281         pass_iv_canon and pass_complete_unroll.
2282         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
2283         * tree-scalar-evolution.c (get_loop_exit_condition,
2284         get_exit_conditions_rec, number_of_iterations_in_loop,
2285         scev_initialize): Use single_exit information.
2286         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
2287         missing assumptions.
2288         (loop_niter_by_eval):  Return number of iterations as unsigned
2289         int.
2290         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
2291         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
2292         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
2293         New passes.
2294         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
2295         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
2296         the defining statement is ready.
2297         * tree-vectorizer.c (vect_create_iv_simple): Removed.
2298         (vect_create_index_for_array_ref, vect_transform_loop_bound):
2299         Use create_iv.
2300         (vect_transform_loop_bound): Use single_exit information.
2301         (vect_analyze_loop_form): Cleanup bogus tests.
2302         (vectorize_loops): Do not call flow_loop_scan.
2303         * tree.h (may_negate_without_overflow_p): Declare.
2304         * fold-const.c (may_negate_without_overflow_p): Split out from ...
2305         (negate_expr_p): ... this function.
2306         (tree_expr_nonzero_p): Handle overflowed constants correctly.
2307         * doc/invoke.texi (-fivcanon): Document.
2308         * doc/passes.texi: Document canonical induction variable creation.
2309
2310 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2311
2312         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
2313         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
2314         using the mode of the operand to decide between them.
2315         * config/mips/mips.md (MOVECC): New mode macro.
2316         (ccreg): New mode attribute.
2317         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
2318         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
2319         (mov[sd]icc): Redefine using :GPR.
2320
2321 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2322
2323         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
2324         (mips_prefetch_cookie): New function.
2325         * config/mips/mips.c (print_operand_address): Fix handling of
2326         ADDRESS_CONST_INT.
2327         (mips_emit_prefetch): Delete.
2328         (mips_prefetch_cookie): New function.
2329         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
2330         mode of QImode for the address_operand.  Use mips_prefetch_cookie
2331         to calculate the first "pref" operand.
2332         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
2333         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
2334
2335 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
2336
2337         * arm.md: Include predicates.md.
2338         * predicates.md: New file.
2339         * arm.c (s_register_operand, arm_hard_register_operand)
2340         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
2341         (arm_immediate_operand, arm_neg_immediate_operand)
2342         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
2343         (arm_add_operand, arm_addimm_operand, arm_not_operand)
2344         (offsettable_memory_operand, alignable_memory_operand)
2345         (arm_reload_memory_operand, arm_float_rhs_operand)
2346         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
2347         (index_operand, shiftable_operator, logical_binary_operator)
2348         (shift_operator, equality_operator, arm_comparison_operator)
2349         (minmax_operator, cc_register, dominant_cc_register)
2350         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
2351         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
2352         (const_shift_operand, load_multiple_operation)
2353         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
2354         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
2355         (cirrus_register_operand, cirrus_fp_register)
2356         (cirrus_shift_const): Delete, replaced with equivalents in
2357         predicates.md.
2358         (shift_op): Handle ROTATE.
2359         * arm-protos.h: Delete declarations for above.
2360         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2361         * t-arm (MD_INCLUDES): Add predicates.md.
2362         (s-preds): Depends on MD_INCLUDES.
2363
2364 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2365
2366         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
2367         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
2368         patterns.  Redefine using :GPR.  Give the match_operator a mode.
2369         Use '%2' rather than '%z2' for operand 2.
2370
2371 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2372
2373         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
2374         attribute.
2375
2376 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2377
2378         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
2379         of internal patterns.
2380         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
2381         Redefine using :P.
2382         (tablejump): Use expand_binop to calculate address.  Adjust names
2383         of internal patterns.
2384         (tablejump[sd]i): Renamed from tablejump_internal[12].
2385         Redefine using :P.
2386         (tablejump_mips16[12]): Delete.
2387
2388 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2389
2390         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
2391         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
2392         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
2393         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
2394         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
2395
2396 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2397
2398         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
2399         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
2400         using :GPR.
2401         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
2402         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
2403         (*branch_equality[sd]i_inverted): Likewise
2404         branch_equality{,_di}_inverted.
2405         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
2406         Redefine using :GPR.
2407
2408 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2409
2410         * rtl.def: Reorganize, placing all codes used only in machine
2411         descriptions at the end.
2412
2413         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
2414         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
2415         rtx_name, rtx_format arrays by direct reference to rtl.def,
2416         first undefining GENERATOR_FILE.  Define enum insn_note and
2417         note_insn_name array by direct reference to insn-notes.def.
2418         (adjust_field_rtx_def): Remove local definition of rtx_name.
2419         Use symbolic names for insn notes.
2420         * Makefile.in (gengtype.o): Update dependencies.
2421
2422 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2423
2424         * basic-block.h (struct basic_block_def): Reorder fields to
2425         eliminate interior padding.  Remove 'partition' field.
2426         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
2427         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
2428         (BB_COPY_PARTITION): New macros.
2429         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
2430         Replace all references to the 'partition' field of a basic
2431         block with new macros.
2432
2433         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2434         * final.c (final_scan_insn): Don't handle it.
2435         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
2436         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
2437         * sched-rgn.c (sched_is_disabled_for_current_region_p):
2438         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
2439
2440 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2441
2442         * c-decl.c (c_init_decl_processing): Adjust
2443         build_common_tree_nodes call.
2444         * expmed.c (const_mult_add_overflow_p): Use
2445         build_distinct_type_copy.
2446         * stor-layout.c (early_type_list): Remove.
2447         (layout_type): Don't append to early_type_list.
2448         (initialize_sizetypes): Add signed_p argument.
2449         (set_sizetype): Overwrite the stub type nodes directly.
2450         * tree.c (copy_node_stat): Clear a type's value cache here ...
2451         (build_distinct_type): ... not here.
2452         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
2453         * tree.h (initialize_sizetypes): Add signed_p argument.
2454         (build_common_tree_nodes): Likewise.
2455
2456         * objc/objc-act.c (get_static_reference): Use
2457         build_variant_type_copy.
2458         (get_protocol_reference): Likewise.
2459         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
2460
2461 2004-08-24  Richard Henderson  <rth@redhat.com>
2462             Andrew Pinski  <apinski@apple.com>
2463
2464         * gimplify.c (gimplify_array_ref_to_plus): Delete.
2465         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
2466         for ARRAY_REF.
2467
2468         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
2469         ARRAY_REF also to get to the STRING_CST.
2470
2471 2004-08-24  Paul Brook  <paul@codesourcery.com>
2472
2473         * config/arm/arm.c (arm_override_options): Update error message.
2474         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
2475         TARGET_HARD_FLOAT_ABI.
2476         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
2477         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
2478
2479 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2480
2481         PR target/17093
2482         * config/m32r.md (movsi_sda): Add SI mode specification to
2483         UNSPEC.
2484
2485 2004-08-24  Nick Clifton  <nickc@redhat.com>
2486
2487         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
2488         of seth_add3_operand.
2489
2490 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2491
2492         * Makefile.in (PROTO_OBJS): Add errors.o.
2493         * protoize.c (fancy_abort): Remove.
2494         * mips-tfile.c (fancy_abort): Add parameters.
2495
2496 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
2497
2498         * doc/trouble.texi (C++ misunderstandings): Fix example code.
2499
2500 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
2501
2502         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
2503         (host-default.o): Add dependency on HOOKS_H.
2504         * config/x-linux: Likewise.
2505         * config/x-solaris: Likewise.
2506         * config/i386/x-mingw32: Likewise.
2507         * config/rs6000/x-darwin: Likewise.
2508
2509 2004-08-23  James E Wilson  <wilson@specifixinc.com>
2510
2511         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
2512         DEF_REG_NOTE.
2513
2514 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2515
2516         PR c/14492
2517         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
2518
2519 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
2520
2521         * cfg.c (check_bb_profile): Fix typos.
2522         * function.c (assign_parm_is_stack_parm): Likewise.
2523         * tree-nested.c: Likewise.
2524
2525 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
2526
2527         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
2528         Remove TYPECODE.
2529         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
2530
2531 2004-08-23  Eric Christopher  <echristo@redhat.com>
2532
2533         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
2534         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
2535         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
2536         * target.h: Ditto.
2537         * hooks.h: Include machmode.h.
2538         (hook_bool_mode_false): Declare.
2539         * hooks.c (hook_bool_mode_false): Define.
2540         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
2541         * stor-layout.c (layout_type): Ditto.
2542         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
2543         Define to target macro.
2544         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
2545         * config/arm/arm.c: Ditto. Use.
2546         * config/arm/arm.h: Ditto.
2547         * config/arm/arm-protos.h: Ditto.
2548         * config/i386/i386.c: Ditto.
2549         * config/i386/i386.h: Ditto.
2550         * config/rs6000/rs6000.c: Ditto.
2551         * config/rs6000/rs6000.h: Ditto.
2552         * config/sh/sh.c: Ditto.
2553         * config/sh/sh.h: Ditto.
2554         * config/sh/sh-protos.h: Ditto.
2555         * config/sh/sh.md: Use.
2556         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
2557         to TARGET_VECTOR_MODE_SUPPORTED_P.
2558
2559 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
2560
2561         * Makefile.in (BUILD_ERRORS): Set to build-errors.
2562         (errors.o): New target for host.
2563         (build-errors.o): New target for build.
2564         (genobjs): Replace errors.o with build-errors.
2565         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
2566         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
2567         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
2568         (fix-header.o): Add errors.h
2569         * collect2.c (fancy_abort): Add parameters.
2570         * collect2.h (fancy_abort): Don't declare.
2571         * errors.h (fancy_abort): Don't declare.
2572         * errors.c: Include either bconfig.h or config.h.
2573         (fancy_abort): Trim filename.
2574         * fix-header.c (v_fatal, fatal): Remove.
2575         (progname): Remove definition.
2576         (main): Set progname here.
2577         * gcc.c (fancy_abort): Add parameters.
2578         * gcc.h (fancy_abort): Remove declaration.
2579         * gcov.c (fancy_abort): Remove.
2580         * rtl.h (fancy_abort): Don't declare.
2581         (abort): Don't define.
2582         * tree.h (fancy_abort): Don't declare.
2583         (abort): Don't define.
2584         * system.h (fancy_abort): Declare.
2585         (abort): Define to fancy_abort.
2586         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
2587
2588         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
2589         (usize_type, ubitsizetype): Remove.
2590         * stor-layout.c (set_sizetype): Don't initialize usizetype,
2591         ubitsizetype.
2592         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
2593
2594         * tree.h (build_distinct_type_copy): New.
2595         (build_type_copy): ... here.  Rename to ...
2596         (build_variant_type_copy): ... here.
2597         * tree.c (build_qualified_type): Rename build_type_copy call.
2598         (build_distinct_type_copy): New, broken out of ...
2599         (build_type_copy): ... here.  Rename to ...
2600         (build_variant_type_copy): ... here.  Use
2601         build_distinct_type_copy.
2602         (build_common_tree_nodes_2): Rename build_type_copy call.
2603         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
2604         call.
2605         (handle_packed_attribute, handle_unused_attribute,
2606         handle_transparanet_union_attribute, handle_aligned_attribute,
2607         handle_deprecated_attribute): Likewise.
2608         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
2609         Likewise.
2610         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
2611         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
2612         build_distinct_type_copy.
2613
2614 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2615
2616         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
2617         attribute.
2618
2619 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2620
2621         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
2622         loads and stores.
2623         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
2624         formerly unnamed patterns.  Redefine using :P for the address.  Remove
2625         explicit length attributes.
2626
2627 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2628
2629         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
2630         New functions.
2631         (single_reachable_address): Use them.
2632         (schedule_sm): Add dump.
2633         (is_call_clobbered_ref): New function.
2634         (determine_lsm_reg): Check whether the reference is call clobbered.
2635         Only work for gimple_reg_type values.
2636
2637 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2638
2639         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
2640         $31 store insns.  Redefine using :GPR.
2641
2642 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2643
2644         * config/mips/mips.md (P): New mode macro.
2645         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
2646         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
2647         Add mode attributes.
2648
2649 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2650
2651         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
2652         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
2653         later constants to cover the gap.
2654         (load, store): New mode attributes.
2655         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
2656         Use new unspec constants.
2657
2658 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2659
2660         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
2661         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
2662         to use register_operand rather than uns_arith_operand as the predicate
2663         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
2664         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
2665         Redefine using :GPR.  Make same predicate change here.  Extend the
2666         commutativity of operands 1 and 2 from the SImode version to the
2667         DImode one.
2668         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
2669         but with no predicate changes.
2670         (*nor[sd]i3): Redefine using :GPR.
2671
2672 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2673
2674         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
2675         noreturn functions.
2676
2677 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2678
2679         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
2680         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
2681         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
2682         rather than "%z2" (with a fake const0_rtx for operand 2).
2683         (ffs[sd]i2): Redefine using :GPR.
2684         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
2685
2686 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2687
2688         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
2689
2690 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2691
2692         * config/mips/mips.md (any_extend): New code macro.
2693         (u, su): New code attributes.
2694         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
2695         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
2696         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
2697         (*{s,u}mul_acc_di): Redefine using any_extend.
2698         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
2699         to reflect real insn names.
2700         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
2701         with an any_extend template.
2702         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
2703         Add '*' to name.
2704
2705 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2706
2707         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
2708         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
2709         (mul[sd]i3_r4000): Redefine using :GPR.
2710         (mulsi3_mult3): Don't check TARGET_MAD separately.
2711         (muldi3_mult3): Moved after mulsi_mult3.
2712
2713 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2714
2715         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
2716         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
2717         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
2718         (TARGET_GAS, TARGET_MIPS_AS): Delete.
2719         (TARGET_GPWORD): Define to true for n32 on IRIX.
2720         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
2721         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
2722         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
2723         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
2724         (MDEBUG_ASM_SPEC): Delete, folding into...
2725         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
2726         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
2727         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
2728         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
2729         to define asm_abi_default_spec.
2730         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
2731         (TARGET_ASM_SELECT_SECTION): Delete.
2732         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
2733         for non-mips16 code, removing previous workaround for SGI assemblers.
2734         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
2735         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
2736         (override_options): Remove !TARGET_GAS and !have_named_sections code.
2737         (print_operand): Fold TARGET_GAS conditionals into asm strings.
2738         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
2739         ASM_STABS_OP and ASM_STABN_OP.
2740         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
2741         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
2742         (mips_output_function_prologue): Remove !TARGET_GAS code.
2743         (mips_select_rtx_section): Remove !have_named_sections code.
2744         (mips_select_section): Delete.
2745         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
2746         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
2747         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
2748         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
2749         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
2750         * config/mips/windiss.h (ASM_SPEC): Likewise.
2751
2752 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2753
2754         * read-rtl.c (map_value, mapping, macro_group): New structures.
2755         (BELLWETHER_CODE): New macro.
2756         (modes, codes, bellwether_codes): New variables.
2757         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
2758         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
2759         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
2760         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
2761         (add_map_value, initialize_macros): New functions.
2762         (def_hash, def_hash_eq_p): Generalize to anything that points to,
2763         or starts with, a char * field.
2764         (find_macro, read_mapping, check_code_macro): New functions.
2765         (read_rtx_1): New, split out from read_rtx.  Handle the new
2766         define_{mode,code}_{macro,attr} constructs.  Use find_macro
2767         to parse the name of a code or mode.  Use BELLWETHER_CODE to
2768         extract the format and to choose a suitable code for rtx_alloc.
2769         Modify recursive invocations to use read_rtx_1.
2770         (read_rtx): Call initialize_macros.  Apply code and mode macros
2771         to the rtx returned by read_rtx_1.  Cache everything after the
2772         first macro expansion for subsequent read_rtx calls.
2773         * doc/md.texi: Document new .md constructs.
2774         * config/mips/mips.md (GPR): New mode macro.
2775         (d, si8_di5): New mode attributes.
2776         (any_cond): New code macro.
2777         (add[sd]i3): Redefine using :GPR.
2778         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
2779         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
2780         previously unnamed MIPS16 patterns.
2781         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
2782         lines.  Don't match (plus (const_int 0) ...).
2783         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
2784         Use a define_split to generate the addition.
2785         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
2786         (subsi3_internal): Delete.
2787         (*subsi3_extended): Renamed from subsi3_internal_2.
2788         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
2789         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
2790         using an any_cond template.
2791
2792 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2793
2794         * read-rtl.c (read_rtx): Tidy use of format_ptr.
2795
2796 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2797
2798         * read-rtl.c (string_obstack): New file-scope variable.
2799         (read_string, read_quoted_string, read_braced_string)
2800         (read_escape): Remove obstack parameter and use string_obstack instead.
2801         (read_rtx): Remove function-local rtl_obstack and initialize
2802         string_obstack instead.  Update call to read_string.
2803
2804 2004-08-22  Andrew Pinski  <apinski@apple.com>
2805
2806         PR c/15262
2807         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
2808         expression is not constant.
2809         (c_finish_return): Do not go through INDIRECT_REF when looking
2810         for the inner expression of an ADDR_EXPR for warning about.
2811
2812 2004-08-22  Richard Henderson  <rth@redhat.com>
2813
2814         PR 17075
2815         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
2816         create new blocks and fall through.
2817         (expand_gimple_basic_block): Update to match.
2818
2819 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
2820
2821         * reload.c (find_reloads_address): Make return value tri-state.
2822         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
2823         (find_reloads): Assume that reloaded addresses match 'o' or
2824         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
2825         returned 1 (not -1).  Omit optional reloads for address operands
2826         only if find_reloads_address returned 1 (not -1).
2827
2828         * config/s390/s390.c (legitimize_reload_address): New function.
2829         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
2830         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
2831         legitimize_reload_address.
2832
2833 2004-08-22  Richard Hendersion  <rth@redhat.com>
2834
2835         * tree.h (SAVE_EXPR_RESOLVED_P): New.
2836         * gimplify.c (gimplify_save_expr): Use it.
2837         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
2838         on the temporary variable.
2839
2840 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2841
2842         * fold-const.c (rtl_expr_nonnegative_p): Delete.
2843         * tree.h (rtl_expr_nonnegative_p): Remove.
2844
2845 2004-08-22  Steven Bosscher  <stevenb@suse.de>
2846
2847         * config/i386/ppro.md (ppro_complex_insn): Add missing check
2848         for cpu==pentiumpro.
2849
2850         * combine.c (struct reg_stat): Fix comment typo.
2851
2852 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2853
2854         * c-tree.h (c_sizeof_nowarn): Remove.
2855
2856 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2857
2858         * c-decl.c (set_array_declarator_type): Rename to
2859         set_array_declarator_inner.
2860         (build_c_parm, build_attrs_declarator, build_function_declarator):
2861         New functions.
2862         (make_pointer_declarator): Call build_attrs_declarator.
2863         * c-tree.h (set_array_declarator_type): Rename to
2864         set_array_declarator_inner.
2865         (build_c_parm, build_attrs_declarator, build_function_declarator):
2866         New prototypes.
2867         * c-parse.in (after_type_declarator,
2868         parm_declarator_starttypename, parm_declarator_nostarttypename,
2869         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
2870         firstparm): Use these functions
2871
2872 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2873
2874         * c-decl.c (build_array_declarator, set_array_declarator_type,
2875         start_decl, grokdeclarator, grokparms): Change boolean parameters
2876         to type bool.
2877         * c-tree.h (build_array_declarator, set_array_declarator_type,
2878         start_decl): Update prototypes.
2879         * c-decl.c, c-parse.in: All callers changed.
2880
2881 2004-08-21  Mike Stump  <mrs@apple.com>
2882
2883         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
2884         (darwin_fix_and_continue): Likewise.
2885         (darwin_fix_and_continue_switch): Likewise.
2886         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
2887         (darwin_fix_and_continue): Likewise.
2888         (darwin_fix_and_continue_switch): Likewise.
2889
2890 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
2891
2892         PR  c++/16030
2893         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
2894         Remove, merging into ...
2895         (gen_stdcall_or_fastcall_suffix): New function, returning tree
2896         rather than const char*, and accepting additional parameter.
2897         Don't add suffix to '*'-prefixed symbols or variadic functions.
2898         (i386_pe_encode_section_info): Adjust for call to new function.
2899         Call change_decl_assembler_name.
2900
2901 2004-08-20  Mike Stump  <mrs@apple.com>
2902
2903         * config/darwin.c (machopic_indirect_data_reference): Mark
2904         stubs as defined.
2905         * config/386/386.c (darwin_local_data_pic): Add.
2906         (legitimate_constant_p): Reorder so that PLUS handling runs
2907         before darwin_local_data_pic to match the ordering in
2908         legitimate_pic_address_disp_p and so that MINUS runs after
2909         darwin_local_data_pic as otherwise the darwin_local_data_pic
2910         logic can be skipped, which would be very bad.
2911         (legitimate_pic_address_disp_p): Move from from here to
2912         darwin_local_data_pic so it can be reused.
2913
2914 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
2915
2916         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
2917         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
2918         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
2919         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
2920         (RS6000_ABI_NAME): Define as "linux".
2921         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
2922         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
2923         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
2924         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
2925         * config/rs6000/rs6000.c (dot_symbols): New global var.
2926         (rs6000_output_function_entry): New function, modified for
2927         !DOT_SYMBOLS..
2928         (print_operand <case 'z'>): ..extracted from here.
2929         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
2930         (rs6000_output_function_epilogue): Likewise.
2931         (rs6000_elf_declare_function_name): Likewise.
2932         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
2933         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
2934         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
2935         * configure: Regenerate.
2936         * config.in: Regenerate.
2937
2938 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2939
2940         * reload.c (find_reloads_address): Fix thinko in previous change.
2941
2942         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
2943         a CONST_INT.
2944
2945 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
2946
2947         PR rtl-optimization/17099
2948         * combine.c (force_to_mode): Check if inner_mask has any bits set
2949         outside of GET_MODE (x) instead of op_mode.
2950
2951 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2952
2953         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
2954         fragment.
2955         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
2956         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
2957         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
2958         architecture.
2959         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
2960         configurations.
2961         * config/arm/t-symbian: New file.
2962
2963 2004-08-20  Andrew Pinski  <apinski@apple.com>
2964
2965         * regrename.c (kill_value_regno): ANSIfy.
2966
2967 2004-08-20  Dale Johannesen  <dalej@apple.com>
2968
2969         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
2970
2971 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
2972
2973         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
2974         (kill_value_regno): New function, derived from kill_value.
2975         (kill_value): Update.
2976         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
2977
2978 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
2979
2980         Fix PR tree-optimization/17111
2981         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
2982         of non-value_handles.
2983         (bitmap_set_contains): All constants are in every set.
2984
2985 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2986
2987         * fold-const.c (round_up, round_down): Use build_int_cst.
2988         Optimize common case.
2989
2990 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
2991             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2992
2993         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
2994         one_only_data_section): Rename to som_readonly_data_section,
2995         som_one_only_readonly_data_section and som_one_only_data_section.
2996         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
2997         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
2998         conditional defines.
2999         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
3000         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
3001         string values.
3002         (pa_select_section): Use renamed section functions.
3003         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3004         SOM_READONLY_DATA_SECTION_FUNCTION,
3005         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3006         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
3007         Define here ...
3008         * config/pa/som.h: ... not here.
3009         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3010         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
3011         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3012         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
3013         (READONLY_DATA_SECTION): Use som_readonly_data_section.
3014
3015 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3016
3017         * fold-const.c (int_const_binop): Don't generate non-overflowing
3018         size-types specially.
3019         (fold_convert_const): Likewise.
3020
3021         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
3022         clear cache on copied sizetype.
3023
3024 2004-08-20  Ben Elliston  <bje@au.ibm.com>
3025
3026         * configure.ac: Don't escape apostrophe in --enable-coverage help.
3027         * configure: Regenerate.
3028
3029 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3030
3031         PR 5620
3032         * gcc.c (struct stat input_stat): Don't define if
3033         HOST_LACKS_INODE_NUMBERS
3034         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
3035         than stat to determine if temp file is same as input file.
3036         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
3037         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
3038
3039 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
3040
3041         * configure.ac (mips*-*-*): Print an error if not using GAS.
3042         * configure: Regenerated.
3043         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
3044         comments about buggy MIPSpro assemblers.
3045         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
3046         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
3047         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
3048         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
3049         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
3050         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
3051         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
3052         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
3053         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
3054         of more general IRIX 6 definitions.
3055         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
3056         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
3057         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
3058         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
3059         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3060         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
3061         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
3062         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
3063         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
3064         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
3065         (LINK_SPEC): Move most of definition to iris.h.
3066         (SUBTARGET_LINK_SPEC): New macro.
3067         (IRIX_STARTFILE_SPEC): Fold into...
3068         (STARTFILE_SPEC): ...here.
3069         (IRIX_ENDFILE_SPEC): Fold into...
3070         (ENDFILE_SPEC): ...here.
3071         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
3072         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
3073         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
3074         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
3075         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
3076         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
3077         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
3078         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3079         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
3080         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
3081         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
3082         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
3083         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
3084         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
3085         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
3086         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
3087         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
3088         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
3089         (TARGET_IRIX6): Define to 1.
3090         (DRIVER_SELF_SPECS): Define.
3091         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
3092         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
3093         (SUBTARGET_LINK_SPEC): New macro.
3094         (IRIX_STARTFILE_SPEC): Fold into...
3095         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
3096         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
3097         (LIB_SPEC, LIBGCC_SPEC): Use them.
3098         (LIB_SPEC): Remove !mabi=* case.
3099         (IRIX_ENDFILE_SPEC): Fold into...
3100         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
3101         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
3102         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
3103         (TARGET_IRIX6): New macro.
3104         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
3105         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
3106         (LABEL_AFTER_LOC): Delete.
3107         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
3108         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
3109         (mips_build_builtin_va_list): Check TARGET_IRIX6.
3110         (override_options): Remove TARGET_SGI_O32_AS-related code.
3111         (irix_output_external_libcall): Make static.
3112         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
3113         LABEL_AFTER_LOC.
3114         (mips_file_start): Tidy guard for ABI sections.  Remove use of
3115         ABICALLS_ASM_OP; use .abicalls instead.
3116         (mips_output_aligned_decl_common, mips_declare_object_name)
3117         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
3118         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
3119         .globl foo .text directives.
3120         (irix_asm_named_section_1, irix_asm_named_section)
3121         (irix_section_align_entry, irix_section_align_htab)
3122         (irix_orig_asm_out_file, irix_section_align_entry_eq)
3123         (irix_section_align_entry_hash, irix_asm_output_align)
3124         (irix_file_start, irix_section_align_1, copy_file_data)
3125         (irix_file_end, irix_section_type_flags): Delete.
3126         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
3127         Use standard section syntax.  Remove protective "jr $31".
3128         (__gcc_fini): Likewise .gcc_fini.
3129         * config/mips/irix-crtn.asm: Adjust sections accordingly.
3130         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
3131         iris5gas.h.
3132         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
3133         from t-irix-gld.
3134         (EXTRA_MULTILIB_PARTS): Define.
3135         * config/mips/t-iris6: Remove bogus comment.
3136         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
3137         * config/mips/iris5gas.h, config/mips/iris5gld.h,
3138         config/mips/iris6gas.h, config/mips/iris6gld.h,
3139         config/mips/t-iris5-as, config/mips/t-iris5-gas
3140         config/mips/t-irix-gld: Delete.
3141         * config/mips/iris.h: New file.
3142         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
3143
3144 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
3145
3146         * postreload.c (reload_cse_move2add): Allow any condjump, but check
3147         that the implicit set isn't clobbered in the jump insn.
3148
3149 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3150
3151         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
3152         * optabs.c (init_optabs): Don't check it.
3153         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
3154         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
3155
3156 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
3157
3158         * config/s390/s390.md (s390_warn_framesize_string)
3159         (s390_warn_dynamic_string, s390_stack_size_string)
3160         (s390_stack_guard_string): New global string variables.
3161         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
3162         (s390_stack_guard): New global variables.
3163         (override_options): Added checks for the new options.
3164         (s390_emit_prologue): Emit stack check and trap code and perform
3165         compile time stack size checking.
3166
3167         * config/s390/s390.h (TARGET_OPTIONS): Added new options
3168         "warn-framesize", "warn-dynamicstack", "stack-size" and
3169         "stack-guard".
3170
3171         * doc/invoke.texi: Added documentation for the new options.
3172
3173 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3174
3175         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
3176         to eliminate warning.
3177         (linear_search_fdes): Declare p as unsigned.
3178         (binary_search_mixed_encoding_fdes): Likewise.
3179         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
3180         to eliminate warning.
3181         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
3182         type cast.
3183
3184 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3185
3186         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
3187         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
3188         instead of one.  Check for strictly legitimate address.
3189         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
3190         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
3191
3192 2004-08-19  Eric Christopher  <echristo@redhat.com>
3193
3194         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
3195         * langhooks.h (unsave_expr_now): Ditto.
3196         * tree.h (unsave_expr_1): Remove prototype.
3197         (lhd_unsave_expr_now): Rename to unsave_expr_now.
3198         * tree-inline.c (unsave_expr_1): Move here
3199         from tree.c. Make static.
3200         (unsave_expr_now): Rename from lhd_unsave_expr_now.
3201         * tree-sra.c: Fix up for rename.
3202         * tree-ssa-copy.c: Ditto.
3203         * tree-eh.c: Ditto.
3204         * tree.c (unsave_expr_1): Move to tree-inline.c.
3205
3206 2004-08-19  Caroline Tice  <ctice@apple.com>
3207
3208         * config/i386/cygming.h (switch_to_section):  Fix typo (change
3209         in_unlikely_text_section to in_unlikely_executed_text).
3210
3211 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
3212
3213         * vec.h (VEC_lower_bound): New macro.
3214
3215 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
3216
3217         PR target/16446
3218         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
3219         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
3220         treat each ABI separately.  Deal with n32/n64 complex float arguments.
3221         (function_arg): Add associated complex handling here.
3222
3223 2004-08-19  Richard Henderson  <rth@redhat.com>
3224
3225         * config/arm/arm.c (arm_gen_load_multiple): Use
3226         adjust_automodify_address.  Take base memory and offset instead
3227         of unchanging/struct/scalar bits.
3228         (arm_gen_store_multiple): Likewise.
3229         (arm_gen_movmemqi): Use adjust_automodify_address.
3230         * config/arm/arm-protos.h: Update decls.
3231         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
3232         (store_multiple): Similarly.
3233
3234 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
3235
3236         * regclass.c (globalize_reg): Update call_really_used_regs.
3237
3238 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
3239
3240         * doc/invoke.texi (integer-share-limit): Document.
3241
3242         * tree.h (TYPE_CACHED_VALUES_P): New.
3243         (TYPE_CACHED_VALUES): New.
3244         (TYPE_ORIG_SIZE_TYPE): Adjust.
3245         * tree.def (INTEGER_CST): Update documentation.
3246         * tree.c: Inlcude params.h.
3247         (build_int_cst): Cache small values.
3248         (build_type_copy): Do not copy the value cache.
3249         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
3250         unneeded zeroing.
3251         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
3252         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
3253         cache.
3254         * fold-const.c (force_fit_type): Copy value when setting
3255         overflows.
3256         (int_const_binop): Likewise.
3257         * stor-layout.c: Include params.h
3258         (set_sizetype): Create values cache.
3259         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
3260         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
3261         * params.h (INTEGER_SHARE_LIMIT): New.
3262         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
3263
3264 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
3265
3266         * gimplify.c (gimplify_minimax_expr): Remove.
3267         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
3268
3269 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
3270
3271         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3272         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
3273
3274 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3275
3276         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
3277
3278 2004-08-18  Andrew Pinski  <apinski@apple.com>
3279
3280         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
3281
3282 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
3283
3284         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
3285         (__aeabi_ul2f): Likewise.
3286
3287 2004-08-18  Richard Henderson  <rth@redhat.com>
3288
3289         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
3290         move to rtl completely.
3291         (struct meminsnbuf, xtensa_emit_block_move): Remove.
3292         (xtensa_find_mode_for_size): Remove.
3293         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
3294         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
3295
3296 2004-08-18  Richard Henderson  <rth@redhat.com>
3297
3298         * config/mcore/mcore.c (mode_from_align): Remove DImode.
3299         (block_move_sequence): Rewrite to use adjust_address.
3300         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
3301         Return boolean indicating success/failure.
3302         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
3303         * config/mcore/mcore.md (movmemsi): Update to match.
3304
3305 2004-08-18  Mike Stump  <mrs@apple.com>
3306
3307         * doc/invoke.texi (-mfix-and-continue): Add support for
3308         fast turn around debugging.
3309         (-ffix-and-continue): Likewise.
3310         (-mindirect-data): Likewise.
3311         (-findirect-data): Likewise.
3312         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
3313         (indirect_data): Likewise.
3314         (machopic_data_defined_p): Likewise.
3315         (machopic_output_indirection): Likewise.
3316         (darwin_encode_section_info): Likewise.
3317         (darwin_fix_and_continue): Likewise.
3318         (darwin_fix_and_continue_switch): Likewise.
3319         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
3320         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
3321         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
3322         (SUBTARGET_OPTIONS): Likewise.
3323         (darwin_fix_and_continue): Likewise.
3324         (darwin_fix_and_continue_switch): Likewise.
3325         (TARGET_FIX_AND_CONTINUE): Likewise.
3326         * config/rs6000.c (rs6000_emit_prologue): Likewise.
3327
3328 2004-08-19  Steven Bosscher  <stevenb@suse.de>
3329
3330         * basic-block.h (struct edge_def): Remove crossing_edge.
3331         (EDGE_CROSSING): New define.
3332         (EDGE_ALL_FLAGS): Update.
3333         * bb-reorder.c (find_traces_1_round, better_edge_p,
3334         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
3335         find_jump_block, fix_crossing_conditional_branches,
3336         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3337         Replace all occurences of crossing_edge with an edge flag check
3338         or set/reset.
3339         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3340         try_crossjump_bb): Likewise.
3341         * cfglayout.c (fixup_reorder_chain): Likewise.
3342         * cfgrtl.c (force_nonfallthru_and_redirect,
3343         commit_one_edge_insertion): Likewise.
3344
3345         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
3346         * tree-flow.h (compute_dominance_frontiers): Move prototype...
3347         * basic-block.h:  ...here.
3348         * tree-cfg.c (compute_dominance_frontiers_1,
3349         compute_dominance_frontiers): Move from here...
3350         * cfganal.c: ...to here.  Include timevar.h.
3351
3352 2004-08-18  James E Wilson  <wilson@specifixinc.com>
3353
3354         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
3355         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
3356
3357         * config/mips/mips.md (type): Add frdiv.
3358         (divsf3+1, divsf3+2): Change type to frdiv.
3359         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
3360         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
3361
3362         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
3363         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
3364         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
3365         * config/mips/5000.md (r5k_fdiv_single): Likewise.
3366         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
3367         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
3368         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
3369         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
3370         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
3371         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
3372         Likewise.
3373         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
3374
3375 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
3376
3377         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
3378         get regression tester working again.
3379
3380 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3381
3382         * insn-notes.def, reg-notes.def: New files.
3383         * rtl.h: Use them to define enum insn_note and enum reg_note.
3384         * rtl.c: Use them to define note_insn_name and reg_note_name.
3385         * Makefile.in (RTL_BASE_H): Update.
3386
3387         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
3388         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3389
3390 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3391
3392         * arm.c (arm_size_rtx_costs): New function.
3393         (arm_override_options): Use it if optimizing for space.
3394
3395 2004-08-18  Richard Henderson  <rth@redhat.com>
3396
3397         * emit-rtl.c (gen_const_mem): New.
3398         * rtl.h (gen_const_mem): Declare.
3399         * expr.c (do_tablejump): Use it.
3400         * varasm.c (force_const_mem): Likewise.
3401         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3402         (machopic_legitimize_pic_address): Likewise.
3403         * config/arm/arm.c (legitimize_pic_address): Likewise.
3404         * config/i386/i386.c (legitimize_pic_address): Likewise.
3405         (legitimize_tls_address): Likewise.
3406         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3407         * config/ia64/ia64.md (load_fptr): Likewise.
3408         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3409         * config/pa/pa.c (legitimize_pic_address): Likewise.
3410         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3411         (rs6000_emit_move): Likewise.
3412         * config/s390/s390.c (legitimize_pic_address): Likewise.
3413         (legitimize_tls_address): Likewise.
3414         * config/s390/s390.md (casesi): Likewise.
3415         * config/sh/sh.c (sh_reorg): Likewise.
3416         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3417         * config/v850/v850.md (casesi): Likewise.
3418
3419         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
3420         * config/sh/sh.c (prepare_move_operands): Remove incorrect
3421         use of MEM_READONLY_P.
3422
3423 2004-08-18  Steven Bosscher  <stevenb@suse.de>
3424
3425         * Makefile.in (OBJS-common): Add postreload-gcse.c.
3426         Add new postreload-gcse.o.
3427         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
3428         (lookup_as_function, insert, rehash_using_reg, use_related_value,
3429         equiv_constant): Use SAFE_HASH instead of safe_hash.
3430         (exp_equiv_p): Export.  Add for_gcse argument when comparing
3431         for GCSE.
3432         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
3433         find_comparison_args, fold_rtx, cse_insn): Update callers.
3434         (hash_rtx): New function derived from old canon_hash and bits
3435         from gcse.c hash_expr_1.
3436         (canon_hash_string): Rename to hash_rtx_string.
3437         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
3438         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
3439         (cselib_lookup): Update this caller.
3440         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
3441         Make static.
3442         (hash_expr): Call hash_rtx.
3443         (ldst_entry): Likewise.
3444         (expr_equiv_p): Call exp_equiv_p.
3445         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
3446         reg_used_on_edge, reg_set_between_after_reload_p,
3447         reg_used_between_after_reload_p, get_avail_load_store_reg,
3448         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
3449         get_bb_avail_insn, hash_scan_set_after_reload,
3450         compute_hash_table_after_reload,
3451         eliminate_partially_redundant_loads, gcse_after_reload,
3452         get_bb_avail_insn, gcse_after_reload_main): Remove.
3453         * postreload-gcse.c: New file, reincarnating most of the above.
3454         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
3455         (gcse_after_reload_main): Update prototype.
3456         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
3457         * passes.c (rest_of_handle_gcse2): Use it.
3458
3459 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3460
3461         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
3462         (pass_loop_done): Likewise.
3463
3464 2004-08-18  Andrew Pinski  <apinski@apple.com>
3465
3466         * config/rs6000/darwin.md: Delete the altivec patterns which are
3467         handled differently now.
3468         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
3469         (macho_correct_pic_di): Likewise.
3470         (call_indirect_nonlocal_darwin64): Likewise.
3471         Delete the save world/saveFP/saveVec patterns.
3472
3473         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
3474         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3475         * config/rs6000/rs6000.md: Include darwin.md.
3476         (builtin_setjmp_receiver): Add DImode case.
3477         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3478         Darwin bits.
3479
3480 2004-08-18  Matt Austern  <austern@apple.com>
3481
3482         Dead code stripping
3483         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
3484         * darwin.c (darwin_file_end): Mark file as potentially strippable.
3485
3486 2004-08-18  Richard Henderson  <rth@redhat.com>
3487
3488         * alias.c (readonly_fields_p): Remove.
3489         (objects_must_conflict_p): Don't call it.
3490         * tree.h (readonly_fields_p): Remove.
3491         * langhooks.h (struct lang_hooks): Remove honor_readonly.
3492         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
3493
3494 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3495
3496         * tree-dfa.c (add_referenced_var): Only global variables are
3497         call-clobbered.
3498         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
3499         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
3500         all pointers dereferenced if the statement dereferences them.
3501         (create_name_tags): Do not create memory tags for pointers
3502         that have PT_ANYTHING set.
3503         Also check if PT_VARS is not empty before creating a name tag.
3504         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
3505         variables that share the same alias set with a pointer that
3506         may point anywhere.
3507         (add_may_alias): Add FIXME comment to remove clobbering
3508         aliased variables and tags.
3509         (replace_may_alias): Likewise.
3510         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
3511         (merge_pointed_to_info): If the original variable has not
3512         points-to information, call set_pt_anything.
3513         (add_pointed_to_var): Do not prevent adding a pointed-to
3514         variable if the pointers is PT_ANYTHING.
3515         If the variable is a global, set PT_GLOBAL_MEM.
3516         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
3517         pointer type only come in PTR+OFFSET flavours.
3518         Always call merge_pointed_to_info on PHI arguments that are
3519         SSA_NAMEs.
3520         (get_nmt_for): Mark call-clobbered tags whose pointer points
3521         to global memory.
3522         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
3523         values.
3524         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
3525         FLAGS.
3526         (add_stmt_operand): Abort if the caller tried to add a killing
3527         definition for a memory tag.
3528         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
3529         unnecessary checks.
3530
3531 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
3532
3533         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
3534         from call_used_regs.  Update call_really_used_regs.
3535         (CALL_REALLY_USED_REGISTERS): Define.
3536         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
3537         Replace call_used_regs with call_really_used_regs.
3538         (calc_live_regs, sh_media_register_for_return): Likewise.
3539         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
3540         * sh.md (return_media): Likewise.
3541
3542 2004-08-18  Andrew Pinski  <apinski@apple.com>
3543
3544         * config/darwin.c (machopic_legitimize_pic_address): Only set
3545         MEM_READONLY_P in the non TARGET_TOC case.
3546
3547 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3548
3549         * rtl.def (NIL): Delete.
3550         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
3551         Tighten the syntax a little.
3552
3553         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
3554         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
3555         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
3556         * config/i386/predicates.md, config/m32r/m32r.h
3557         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
3558         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
3559         * config/sparc/sparc.h, doc/tm.texi:
3560         Replace all occurrences of NIL with UNKNOWN.
3561
3562 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3563
3564         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
3565         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
3566         sequence inline.  Move drop_through_label code into this
3567         block, being the only place it is used.  Adjust comments.
3568
3569 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
3570
3571         * config/rs6000/altivec.md: Add new patterns for calls to
3572         save_world/rest_world functions.
3573
3574         * config/rs6000/rs6000-protos.h: (save_world_operation,
3575         restore_world_operation) new declarations.
3576
3577         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
3578         field added.
3579         (rs6000_stack_info): Set world_save_p field.
3580         (save_world_operation): New function.
3581         (restore_world_operation): New function.
3582         (compute_save_world_info): New function.
3583         (rs6000_stack_info): Call compute_save_world_info.
3584         (rs6000_emit_prologue): Check for world_save_p and generate
3585         pattern to call save_world for saving all non-volatile and
3586         special registers.
3587         (rs6000_emit_epilogue): Check for world_save_p and generate
3588         pattern to call rest_world to restore saved registers.
3589
3590         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
3591         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
3592         (rs6000_reg_names): New entries added for save_world_operation and
3593         restore_world_operation.
3594
3595 2004-08-18  Caroline Tice  <ctice@apple.com>
3596
3597         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
3598         "-freorder-blocks-and-partition" to the flags used in second
3599         stage of profiledbootstrap.
3600         * bb-reorder.c (push_to_next_round_p): Add new variable,
3601         next_round_is_last; set and use variable to make sure, when
3602         partitioning, that the last trace construction round consists
3603         of all (and only) cold basic blocks.
3604         (rotate_loop): Don't copy blocks that end in a section
3605         crossing jump.
3606         (copy_bb): Correctly initialize "partition" of duplicated bb.
3607         (add_unlikely_executed_notes): Add a comment.
3608         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
3609         to make sure, if function contains hot blocks, that the
3610         successors of ENTRY_BLOCK_PTR are hot; also, only look for
3611         crossing edges if the architecture supports named sections.
3612         (mark_bb_for_unlikely_executed_section): Modify to always
3613         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
3614         the basic block note insn.
3615         (fix_crossing_unconditional_branches): Remove extra space.
3616         (fix_edges_for_rarely_executed_code): Modify to only do
3617         partitioning work if the architecture supports named sections.
3618         (reorder_basic_blocks): Modify to only add
3619         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
3620         supports named sections.
3621         * c-common.c (handle_section_attribute): Initialize new global
3622         variable, user_defined_section_attribute, to true if user has
3623         specified one.
3624         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
3625         forward edges that cross section boundaries.
3626         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
3627         partitioning information if the architecture supports named
3628         sections.
3629         * cfgrtl.c (target.h): Add statement to include this.
3630         (rtl_split_block): Make sure newly created bb gets correct
3631         partition.
3632         (try_redirect_by_replacing_jump): Make sure redirection isn't
3633         attempting to cross section boundaries.
3634         (force_nonfallthru_and_redirect): Only do partition fix up if
3635         architecture supports named sections.
3636         (rtl_split_edge): Make sure newly created bb ends up in
3637         correct partition.
3638         (commit_one_edge_insertion): Remove code that incorrectly
3639         updated basic block partition; Make sure partition fix up only
3640         happens if architecture supports named sections and it's not
3641         already done.
3642         (rtl_verify_flow_info_1): Fix if-condition on test/error
3643         condition that fallthru edges are not allowed to cross section
3644         boundaries.
3645         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
3646         * final.c (final_scan_insn): Remove redundant test from if-statement;
3647         change calls to text_section into calls to function_section; add code
3648         to only to partitioning fix up if architecture supports named
3649         sections.
3650         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
3651         partition.
3652         (if_convert): Add targetm.have_named_sections to test.
3653         * output.h (unlikely_section_label): Extern declaration for new global
3654         variable.
3655         (unlikely_text_section_name): Likewise.
3656         * opts.c (decode_options): If both partitioning and DWARF debugging
3657         are turned on, issue a warning that this doesn't work, and change
3658         partitiong to basic block reordering (without hot/cold partitions).
3659         * passes.c (rest_of_handle_final): Re-set new global variable,
3660         user_defined_section_attribute, to false.
3661         (rest_of_compilation): Change options for calling partitioning
3662         function: Don't call if the user defined the section attribute, and
3663         don't call if DECL_ONE_ONLY is true for the current function.
3664         * predict.c (choose_function_section): Return immediately if we
3665         are doing hot/cold partitioning (i.e. let the basic block partitioning
3666         determine where the function belongs).
3667         * reg-stack.c (emit_swap_insn): Add condition to step over
3668         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
3669         * toplev.c (user_defined_section_attribute): New global variable.
3670         * toplev.h (user_defined_section_attribute): Extern declaration
3671         for new global variable.
3672         * varasm.c (unlikely_section_label): New global variable.
3673         (unlikely_text_section_name): New global variable.
3674         (unlikely_text_section): Add code to initialize
3675         unlikely_text_section_name if necessary; modify to use
3676         unlikely_text_section_name and unlikely_section_label; also to use
3677         named_section properly.
3678         (in_unlikely_text_section):  Modify to work correctly with
3679         named_section and to use unlikely_text_section_name.
3680         (named_section):  Add code to work properly with cold section.
3681         (function_section): Clean up if-statement.
3682         * config/darwin.c (darwin_asm_named_section): Return to original
3683         code, removing use of SECTION_FORMAT_STRING.
3684         * config/arm/pe.h (switch_to_section):  Add case for
3685         in_unlikely_executed_text to switch statement.
3686         * config/i386/cygming.h (switch_to_section): Likewise.
3687         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3688         (SECTION_FORMAT_STRING): Likewise.
3689         * config/mcore/mcore.h (switch_to_section): Likewise.
3690         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3691         (SECTION_FORMAT_STRING): Remove.
3692
3693 2004-08-18  Roger Sayle  <roger@eyesopen.com>
3694
3695         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
3696         -ffixed-reg safe, by preserving the meanings of zero and one.
3697         (CALL_USED_REGISTERS): Likewise.
3698         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
3699
3700 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3701
3702         * config/sh/sh.c (split_branches): Check the result of
3703         next_active_insn.
3704         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
3705         Call rtl_register_cfg_hooks.
3706
3707 2004-08-18  Richard Henderson  <rth@redhat.com>
3708
3709         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3710         * alias.c (true_dependence): Update to match new semantics.
3711         (canon_true_dependence, write_dependence_p): Likewise.
3712         (anti_dependence, output_dependence): Update write_dependence_p args.
3713         (unchanging_anti_dependence): Remove.
3714         * calls.c (purge_mem_unchanging_flag): Remove.
3715         (fixup_tail_calls): Don't call it.
3716         (expand_call): Don't add unchanging memory to function usage.
3717         * expr.c (emit_block_move_via_libcall): Likewise.
3718         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
3719         (get_subtarget): Don't use RTX_UNCHANGING_P.
3720         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
3721         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
3722         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
3723         * cse.c (insert): Don't use RTX_UNCHANGING_P.
3724         (cse_insn, canon_hash): Use MEM_READONLY_P.
3725         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
3726         instead of RTX_UNCHANGING_P.
3727         * explow.c (maybe_set_unchanging): Remove.
3728         * expr.h (maybe_set_unchanging): Remove.
3729         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
3730         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
3731         (assign_parm_setup_reg, expand_function_start): Likewise.
3732         * integrate.c (copy_rtx_and_substitute): Likewise.
3733         * ra-rewrite.c (emit_colors): Likewise.
3734         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
3735         (fixup_match_1): Likewise.
3736         * reload1.c (reload, alter_reg): Likewise.
3737         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
3738         not RTX_UNCHANGING_P.
3739         (equiv_init_varies_p): Likewise.
3740         * loop-invariant.c (check_maybe_invariant): Likewise.
3741         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
3742         * loop.c (note_addr_stored): Likewise.
3743         (prescan_loop): Likewise. Don't check function usage for clobbered
3744         unchanging memory.
3745         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
3746         not RTX_UNCHANGING_P.
3747         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
3748         * varasm.c (force_const_mem): Likewise.
3749         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
3750         * web.c (entry_register): Likewise.
3751         * tree-gimple.h (get_base_address): Move decl ...
3752         * tree.h: ... here.
3753         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3754
3755         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
3756         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
3757         (alpha_set_memflags): Update to match.
3758
3759         * config/darwin.c (machopic_indirect_data_reference): Set
3760         MEM_READONLY_P instead of RTX_UNCHANGING_P.
3761         (machopic_indirect_call_target): Likewise.
3762         (machopic_legitimize_pic_address): Likewise.
3763         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
3764         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
3765         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
3766         * config/frv/frv.md (symGOT2reg): Likewise.
3767         * config/i386/i386.c (legitimize_pic_address,
3768         legitimize_tls_address, ix86_split_to_parts): Likewise.
3769         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3770         * config/ia64/ia64.md (load_fptr): Likewise.
3771         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3772         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
3773         * config/mcore/mcore.c (block_move_sequence): Likewise.
3774         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
3775         * config/pa/pa.c (legitimize_pic_address): Likewise.
3776         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3777         (rs6000_emit_move): Likewise.
3778         * config/s390/s390.c (legitimize_pic_address): Likewise.
3779         (legitimize_tls_address): Likewise.
3780         * config/s390/s390.md (casesi): Likewise.
3781         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
3782         * config/sh/sh.md (symGOT2reg): Likewise.
3783         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3784         * config/v850/v850.md (casesi): Likewise.
3785
3786         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
3787         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
3788         * config/mips/mips.c (mips_restore_gp): Likewise.
3789         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
3790         * config/sh/sh.c (sh_reorg): Likewise.
3791
3792 2004-08-18  Richard Henderson  <rth@redhat.com>
3793
3794         * tree.h (struct tree_decl): Add gimple_formal_temp.
3795         (DECL_GIMPLE_FORMAL_TEMP_P): New.
3796         * gimplify.c (pop_gimplify_context): Clear it.
3797         (lookup_tmp_var): Set it, if is_formal.
3798         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
3799         Use is_gimple_val for VECTOR.  Simplify return value.
3800         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
3801         (gimplify_expr): Likewise.
3802         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
3803         is_gimple_tmp_rhs for clarity.  Update all callers.
3804         (is_gimple_reg_rhs): Simplify logic.
3805         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
3806         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
3807         (is_gimple_formal_tmp_reg): Similarly.
3808         * tree-gimple.h: Update decls.
3809         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
3810         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
3811         * tree-ssa-live.c (var_union, type_var_init): Likewise.
3812
3813 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
3814
3815         * c4x.c (legitimize_operands): Remove calls to
3816         preserve_subexpressions_p.
3817
3818 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
3819
3820         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
3821         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
3822
3823 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
3824
3825         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
3826         Objective-C++ extensions.
3827         * gengtype.c (get_file_basename): Match entire subdirectory name
3828         ('cp', 'objc', 'objcp') rather than just its suffix.
3829         (get_base_file_bitmap): Allow for files to belong to more than one
3830         language.
3831         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
3832         used by more than one front-end.
3833
3834 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3835
3836         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
3837         avoid use of preserve_subexpressions_p.
3838
3839 2004-08-17  Richard Henderson  <rth@redhat.com>
3840
3841         PR 17051
3842         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
3843
3844 2004-08-17  DJ Delorie  <dj@redhat.com>
3845
3846         * doc/extend.texi: Document new xstormy16 attribute.
3847
3848         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
3849         (xstormy16_splittable_below100_or_register): New.
3850         (combine_bnp): New.
3851         (xstormy16_reorg): New.
3852         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3853
3854         * config/stormy16/stormy16.md (movqi_internal): Make name public.
3855         (movhi_internal): Likewise.
3856         (cbhranchhi): Likewise.
3857         (cbhranchhi_neg): Likewise.
3858         (andhi3): Only allow splittable below100 operands.
3859         (iorhi3): Likewise.
3860         (peephole2): New and/zero_extend->and peephole.
3861         (peephole2): New load/ior/save->set1 peephole.
3862         (peephole2): New load/and/save->clr1 peephole.
3863         (bclrx, bclrx2, bclr7, bclr15): New.
3864         (bsetx, bsetx2, bset7, bset15): New.
3865
3866         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
3867         liberal about acceptable 'B' masks.
3868
3869         * config/stormy16/stormy16-protos.h
3870         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3871         xstormy16_below100_operand, xstormy16_below100_or_register,
3872         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3873         (PREDICATE_CODES): Add new predicates.
3874
3875         * config/stormy16/stormy16.c
3876         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3877         xstormy16_below100_operand, xstormy16_below100_or_register,
3878         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3879         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
3880         (xstormy16_legitimate_address_p): Allow below100 symbols.
3881         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
3882         (xstormy16_expand_move): Leave below100 operands as-is.
3883         (xstormy16_encode_section_info): Encode below100 symbols.
3884         (xstormy16_strip_name_encoding): New.
3885         (xstormy16_print_operand): Print 'b' as shift mask.
3886         (xstormy16_attribute_table): Add below100 attributes.
3887         (xstormy16_handle_below100_attribute): New.
3888
3889         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
3890         (XSTORMY16_SECTION_FUNCTION): New.
3891         (EXTRA_SECTION_FUNCTIONS): Define using the above.
3892         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
3893         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
3894         (ASM_OUTPUT_LABELREF): Define.
3895
3896         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
3897         (movhi_internal): Add below100 support.
3898         (andhi3): Add below100 support.
3899         (iorhi3): Add below100 support.
3900         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
3901
3902 2004-08-17  James E Wilson  <wilson@specifixinc.com>
3903
3904         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
3905         of VOIDmode for comparison code mode.
3906         * config/mips/mips.md: For conditional move patterns, use mode of
3907         first compare operand for comparison mode, instead of VOIDmode.
3908
3909         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
3910         normal and -ffast-math code.
3911
3912 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
3913
3914         PR c++/15871
3915         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
3916
3917 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
3918
3919         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
3920
3921 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
3922
3923         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
3924         for non Darwin targets.
3925         (*call_value_nonlocal_darwin64): Likewise.
3926
3927 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
3928
3929         * config/rs6000/rs6000.c (rs6000_function_value): Check for
3930         altivec mode for altivec return register.
3931
3932 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
3933
3934         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
3935         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3936         * config/rs6000/rs6000.md: Include darwin.md.
3937         (builtin_setjmp_receiver): Add DImode case.
3938         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3939         Darwin bits.
3940
3941 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
3942
3943         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
3944         trees.
3945         * tree-vectorizer.h: New File: Same.
3946         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
3947         * common.opt (ftree-vectorize): New flag to enable vectorization.
3948         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
3949         vectorization pass.
3950         * tree-data-ref.h (init_data_ref): Additional argument.
3951         (array_base_name_differ_p): Moved to tree-data-ref.c.
3952         * tree-data-ref.c (array_base_name_differ_p): Revised.
3953         (initialize_data_dependence_relation): Call array_base_name_differ_p
3954         with an extra argument.
3955         (analyze_all_data_dependences): Same.
3956         (init_data_ref): Additional argument is_read to set DR_IS_READ.
3957         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
3958         file.
3959         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
3960         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
3961         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
3962         vectorization pass.
3963         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
3964         (tree_ssa_loop_done): Call scev_finalize.
3965         (tree_vectorize): Define the new vectorization pass.
3966         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
3967         size of the vector they support (until support for multiple vector
3968         sizes is added to the vectorizer).
3969         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
3970         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
3971         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
3972         documentation.
3973
3974 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
3975
3976         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
3977         usage.
3978         (generate_protocol_list, handle_impent): Likewise.
3979
3980 2004-08-17  Roger Sayle  <roger@eyesopen.com>
3981
3982         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
3983         ensure that call_used_regs is a superset of both fixed_regs and
3984         call_really_used_regs.
3985
3986 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
3987
3988         PR target/17019
3989         * arm.md (addsi3_cbranch_scratch): Correct case labels.
3990
3991 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3992
3993         PR middle-end/17036
3994         * fold-const.c (fold): Check for integer operand when
3995         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
3996         Pinski  <pinskia@physics.uc.edu>.
3997
3998 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3999
4000         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
4001         No need to check if in a cross configuration.
4002         * configure: Regenerate.
4003
4004         * calls.c (precompute_register_parameters):
4005         Inline preserve_subexpressions_p ().
4006         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
4007         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
4008         Likewise.
4009         * expr.c (get_subtarget): Likewise.
4010         * rtl.h (preserve_subexpressions_p): Remove.
4011         * stmt.c (preserve_subexpressions_p): Remove.
4012
4013         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
4014         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
4015         Abort on gimplified cases.
4016
4017 2004-08-16  James E Wilson  <wilson@specifixinc.com>
4018
4019         * tree.h (VECTOR_FLOAT_TYPE_P): New.
4020         (FLOAT_TYPE_P): Use it.
4021         * c-typeck.c (build_binary_op): After convert calls, check for
4022         check for ERROR_MARK operands.
4023
4024 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
4025
4026         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
4027         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
4028         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
4029         (genobjs static pattern rule): Remove %.c dependency.
4030         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
4031         Rename rules; delete commands; fix dependencies.
4032         (mostlyclean): Do not delete temporary source copies.
4033         * configure.ac: Delete all references to BUILD_PREFIX and
4034         BUILD_PREFIX_1.
4035         * configure: Regenerate.
4036
4037         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
4038         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
4039         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
4040         with #ifndef GENERATOR_FILE so that nothing from those headers
4041         is used.
4042
4043         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
4044
4045 2004-08-16  Adam Nemet  <anemet@lnxw.com>
4046
4047         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
4048
4049 2004-08-16  Andrew Pinski  <apinski@apple.com>
4050
4051         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
4052         extraneous semicolon.
4053
4054 2004-08-16  Devang Patel  <dpatel@apple.com>
4055
4056         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
4057         * print-tree.c (print_node): Print DECL_PRESERVE_P.
4058         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
4059         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
4060         * target.h (struct gcc_target): New member, mark_decl_preserved.
4061         * hooks.c (hook_void_charptr): Rename to ...
4062         (hook_void_constcharptr): ... new name.
4063         * hooks.h (hook_void_charptr): Rename to ..
4064         (hook_void_constcharptr): ... new name.
4065         * tree.h (DECL_PRESERVE_P): New #define.
4066         (struct tree_decl): New member, preserve_flag.
4067         * varasm.c (assemble_start_function): Mark decl preserved.
4068         (assemble_variable): Same.
4069         * darwin.c (darwin_mark_decl_preserved): New function.
4070         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
4071         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
4072         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
4073
4074 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
4075
4076         * c-decl.c (grokdeclarator): Allow for function definition where
4077         innermost declarator has attributes.
4078
4079 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
4080
4081         * except.c (get_exception_filter, build_post_landing_pads,
4082         dw2_build_landing_pads): Use target-specific mode for 'filter'.
4083         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
4084         * target.h (eh_return_filter_mode): New field added.
4085         * targhooks.c (default_eh_return_filter_mode): Defined.
4086         * targhooks.h (default_eh_return_filter_mode): Declared.
4087         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
4088
4089 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4090
4091         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
4092         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
4093         * configure: Regenerate.
4094
4095 2004-08-16  Stan Shebs  <shebs@apple.com>
4096
4097         Basic support for 64-bit Darwin.
4098         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4099         (machopic_legitimize_pic_address): Similarly, plus use Pmode
4100         instead of SImode.
4101         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
4102         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
4103         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
4104         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
4105         (PROCESSOR_DEFAULT64): Define.
4106         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
4107         Darwin.
4108         * config/rs6000/rs6000.md: Include darwin.md.
4109         (builtin_setjmp_receiver): Add DImode case.
4110         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
4111         Darwin.
4112         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
4113         (rs6000_emit_move): Add DImode case to Darwin bits.
4114         (machopic_output_stub): Use .quad if 64-bit.
4115         * invoke.texi: Document -m32 and -m64.
4116
4117 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
4118
4119         * doc/extend.texi (AltiVec builtins): Document additional differences
4120         from the Motorola AltiVec PIM.
4121
4122 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4123
4124         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
4125         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
4126         (struct tree_common): Update public_flag documentation.
4127
4128 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4129
4130         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4131         Check for artificial variables, not is_gimple_tmp_var.
4132         * tree-ssa-live.c (var_union): Likewise.
4133
4134 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4135
4136         * calls.c (load_register_parameters): Remove spurious FIXME token.
4137
4138 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
4139
4140         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
4141         (c-lang.o): Depend on c-objc-common.h.
4142         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
4143         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
4144         * c-lang.c: Include c-objc-common.h.
4145         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
4146         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
4147         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
4148         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
4149         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
4150         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
4151         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
4152         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
4153         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
4154         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
4155         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
4156         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
4157         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4158         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
4159         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
4160         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4161         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
4162         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4163         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
4164         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
4165         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
4166         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
4167         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
4168         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
4169         Move to c-objc-common.h.
4170         * c-objc-common.c: Include c-objc-common.h.
4171         * c-objc-common.h: New file.
4172
4173 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
4174             Andrew Pinski  <pinskia@physics.uc.edu>
4175
4176         PR target/14931
4177         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
4178         style.
4179
4180 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
4181
4182         * tree.h (build_int_cst): New.
4183         (build_int_2): Remove.
4184         * tree.c (build_int_2): Remove.
4185         (build_int_cst): New.
4186         (make_vector_type, build_common_tree_nodes,
4187         build_common_tree_nodes_2): Use build_int_cst.
4188         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
4189         expand_builtin_strpbrk, expand_builtin_fputs,
4190         build_string_literal, expand_builtin_printf,
4191         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
4192         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
4193         fold_builtin_isdigit, simplify_builtin_strstr,
4194         simplify_builtin_strpbrk, fold_builtin_fputs,
4195         simplify_builtin_sprintf): Use build_int_cst.
4196         * c-common.c (start_fname_decls, fix_string_type,
4197         c_common_nodes_and_builtins, c_init_attributes,
4198         shorten_compare): Likewise.
4199         * c-decl.c (complete_array_type,
4200         check_bitfield_type_and_width): Likewise.
4201         * c-lex.c (interpret_integer, lex_charconst): Likewise.
4202         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
4203         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4204         * c-typeck.c (really_start_incremental_init, push_init_level,
4205         set_nonincremental_init_from_string): Likewise.
4206         * calls.c (load_register_parameters): Likewise.
4207         * convert.c (convert_to_pointer): Likewise.
4208         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
4209         build_fn_info_type, build_ctr_info_value, build_gcov_info):
4210         Likewise.
4211         * except.c (init_eh, assign_filter_values, assign_filter_values):
4212         Likewise.
4213         * expmed.c (store_fixed_bit_field, extract_bit_field,
4214         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
4215         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
4216         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
4217         * expr.c (convert_move, emit_group_load, emit_group_store,
4218         expand_assignment, store_constructor, store_field,
4219         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
4220         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
4221         invert_truthvalue, optimize_bit_field_compare,
4222         decode_field_reference, all_ones_mask_p, constant_boolean_node,
4223         fold_div_compare, fold, fold_read_from_constant_string,
4224         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4225         * function.c (assign_parm_setup_block): Likewise.
4226         * stmt.c (shift_return_value, expand_end_case_type,
4227         estimate_case_costs): Likewise.
4228         * stor-layout.c (layout_type, initialize_sizetypes,
4229         set_min_and_max_values_for_integral_type): Likewise.
4230         * tree-chrec.c (chrec_fold_multiply_poly_poly,
4231         reset_evolution_in_loop): Likewise.
4232         * tree-chrec.h (build_polynomial_chrec): Likewise.
4233         * tree-complex.c (build_replicated_const): Likewise.
4234         * tree-eh.c (honor_protect_cleanup_actions,
4235         lower_try_finally_onedest, lower_try_finally_copy,
4236         lower_try_finally_switch): Likewise.
4237         * tree-mudflap.c (mf_build_string, mx_register_decls,
4238         mudflap_register_call, mudflap_enqueue_constant): Likewise.
4239         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
4240         * tree-pretty-print.c (dump_generic_node): Likewise.
4241         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
4242         Likewise.
4243         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4244         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4245         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
4246         Likewise.
4247
4248         * config/alpha/alpha.c (alpha_initialize_trampoline,
4249         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
4250         * config/arm/arm.c (arm_get_cookie_size): Likewise.
4251         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4252         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4253         * config/i860/i860.c (i860_va_start): Likewise.
4254         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4255         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
4256         mips_gimplify_va_arg_expr): Likewise.
4257         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4258         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
4259         add_compiler_branch_island): Likewise.
4260         * config/s390/s390.c (s390_va_start): Likewise.
4261         * config/sh/sh.c (sh_va_start): Likewise.
4262         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
4263         Likewise.
4264         * config/xtensa/xtensa.c (xtensa_va_start,
4265         xtensa_gimplify_va_arg_expr): Likewise.
4266
4267         * objc/objc-act.c (build_objc_string_object,
4268         build_objc_symtab_template, init_def_list, init_objc_symtab,
4269         init_module_descriptor, generate_static_references,
4270         build_selector_translation_table, get_proto_encoding,
4271         build_typed_selector_reference, build_selector_reference,
4272         build_next_objc_exception_stuff,
4273         build_method_prototype_list_template, generate_descriptor_table,
4274         generate_protocols, build_protocol_initializer,
4275         build_ivar_list_template, build_method_list_template,
4276         build_ivar_list_initializer, generate_ivars_list,
4277         generate_dispatch_table, generate_protocol_list,
4278         build_category_initializer, build_shared_structure_initializer,
4279         generate_shared_structures, handle_impent,
4280         generate_objc_image_info): Use build_int_cst.
4281
4282 2004-08-15  Ben Elliston  <bje@au.ibm.com>
4283
4284         * vec.h: Comment improvements.
4285
4286 2004-08-14  Roger Sayle  <roger@eyesopen.com>
4287
4288         * c-common.c (shorten_compare, pointer_int_sum,
4289         c_common_truthvalue_conversion, boolean_increment): Replace calls
4290         to build with calls to buildN.
4291         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
4292         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
4293         gimplify_switch_stmt): Likewise.
4294         * c-typeck.c (default_function_array_conversion,
4295         build_component_ref, build_array_ref, build_function_call,
4296         pointer_diff, build_unary_op, build_conditional_expr,
4297         build_compound_expr, build_modify_expr, c_finish_goto_label,
4298         c_finish_goto_ptr, c_finish_return, c_finish_loop,
4299         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
4300         build_binary_op): Likewise.
4301
4302 2004-08-15  Steven Bosscher  <stevenb@suse.de>
4303
4304         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
4305
4306 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4307
4308         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
4309         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
4310         * fixinc/fixincl.x: Rebuilt.
4311
4312 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
4313
4314         * config/mips/mips-protos.h (mips_symbolic_constant_p)
4315         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
4316         (mips_small_data_pattern_p): Declare.
4317         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
4318         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
4319         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
4320         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
4321         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
4322         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
4323         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
4324         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
4325         (pc_or_label_operand, call_insn_operand, move_operand)
4326         (consttable_operand, symbolic_operand, general_symbolic_operand)
4327         (global_got_operand, local_got_operand, stack_operand)
4328         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
4329         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
4330         (mips_small_data_pattern_p): Replace previous small_data_pattern
4331         predicate.  Turn into a bool () (rtx) function.
4332         * config/mips/predicates.md: New file.
4333         * config/mips/mips.md: Include it.  Use the target-independent
4334         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
4335         trap_comparison_operator and equality_op to equality_operator.
4336         Replace uses of small_int with the equivalent const_arith_operand.
4337         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
4338         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
4339         to fcc_reload_operand.
4340         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
4341
4342 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4343
4344         PR libstdc++/17005 partial fix.
4345         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
4346         except when generating ANSI/C89 code.
4347
4348 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
4349
4350         * c-common.c (shorten_compare): Use force_fit_type directly.
4351
4352 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
4353             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
4354             Dave Korn  <dk@artimi.com>
4355
4356         * doc/install.texi (Building): Avoid duplicate reference to GNU
4357         make requirement.
4358         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
4359
4360 2004-08-14  Richard Henderson  <rth@redhat.com>
4361
4362         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
4363         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
4364
4365 2004-08-13  Richard Henderson  <rth@redhat.com>
4366
4367         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
4368         for constant_call_address_operand.
4369         (call_value_pop_1, call_value_1): Likewise.
4370         (sibcall_value_1, call_value_1_rex64): Likewise.
4371
4372 2004-08-13  James E Wilson  <wilson@specifixinc.com>
4373
4374         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
4375         Correct mode from SFmode to DFmode.
4376
4377 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
4378
4379         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
4380         __cstring_object and __image_info sections with the no_dead_strip
4381         attribute.
4382
4383 2004-08-13  Roger Sayle  <roger@eyesopen.com>
4384             David Billinghurst  <David.Billinghurst@riotinto.com>
4385
4386         PR libgfortran/15930
4387         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
4388         * fixinc/fixincl.x: Regenerate.
4389         * fixinc/tests/base/internal/math_core.h: New file.
4390
4391 2004-08-13  Richard Henderson  <rth@redhat.com>
4392
4393         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
4394         (dbxout_function_end): Remove ifdefs for it.
4395         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
4396
4397 2004-08-13  Richard Henderson  <rth@redhat.com>
4398
4399         * Makefile.in (insn-preds.o): Depend on TREE_H.
4400         * genpreds.c (write_insn_preds_c): Include tree.h.
4401         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
4402         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
4403         const48_operand, and_operand, or_operand, mode_width_operand,
4404         mode_mask_operand, mul8_operand, const0_operand,
4405         hard_fp_register_operand, hard_int_register_operand,
4406         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
4407         samegp_function_operand, direct_call_operand, small_symbolic_operand,
4408         global_symbolic_operand, call_operand, symbolic_operand,
4409         dtp16_symbolic_operand, dtp32_symbolic_operand,
4410         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
4411         gottp_symbolic_operand, alpha_comparison_operator,
4412         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
4413         signed_comparison_operator, alpha_fp_comparison_operator,
4414         divmod_operator, fix_operator, aligned_memory_operand,
4415         unaligned_memory_operand, reg_or_unaligned_mem_operand,
4416         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
4417         reg_no_subreg_operand, addition_operation): Move to predicates.md.
4418         (reg_or_const_int_operand): Remove.  Replace all users with
4419         reg_or_cint_operand.
4420         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
4421         (resolve_reload_operand): Split out of aligned_memory_operand.
4422         * config/alpha/alpha-protos.h: Update for exports.
4423         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
4424         * config/alpha/alpha.md: Include predicates.md.
4425         * config/alpha/predicates.md: New file.
4426
4427 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
4428
4429         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
4430         fields with a pointer to the instruction definition.
4431         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
4432         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
4433         (write_attr_case, write_const_num_delay_slots): Update accordingly.
4434         (write_attr_case, write_const_num_delay_slots): Write the name of
4435         an insn next to its case statement.
4436         * genoutput.c (data): Add a filename field.
4437         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
4438         (output_insn_data): Print the location of each insn definition.
4439         * genrecog.c (write_action): Print the name of an insn above
4440         the statement that returns its code.
4441
4442 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
4443
4444         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
4445         * config/libgloss.h: Likewise.
4446         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
4447         * c4x/c4x-modes.def: Likewise.
4448         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
4449         (c4x_rptb_nop_p): Likewise.
4450         (c4x_rptb_valid_p): Likewise.
4451         (c4x_rptb_insert): Likewise.
4452         (c4x_address_conflict): Likewise.
4453         * config/c4x/c4x.md: Likewise.
4454         * config/frv/frv.md: Likewise.
4455         * config/i386/athlon.md: Likewise.
4456         * config/i386/i386.md: Likewise.
4457         * config/i386/predicates.md: Likewise.
4458         * config/ia64/ia64.c: Likewise.
4459         * config/ia64/itanium1.md: Likewise.
4460         * config/ia64/itanium2.md: Likewise.
4461         * config/iq2000/iq2000.md: Likewise.
4462         * config/mcore/mcore.c: Likewise.
4463         * config/mips/mips.c: Likewise.
4464         * config/mips/r3900.h: Likewise.
4465         * config/mips/sb1.md: Likewise.
4466         * config/pa/milli64.S: Likewise.
4467         * config/pa/pa.c: Likewise.
4468         * config/pa/pa.h: Likewise.
4469         * config/rs6000/8540.md: Likewise.
4470
4471 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
4472
4473         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
4474
4475 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
4476
4477         * sh.md (cbranch define_delay) Use cond_delay_slot for
4478         non-anulled condition too.
4479
4480 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4481
4482         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
4483         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
4484         any_parallel_operand, lmw_operation, stmw_operation,
4485         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
4486         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
4487         any_parallel_operand.
4488         (return_and_restore_fpregs_{si,di}): Same.
4489
4490 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4491
4492         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
4493         if pred->singleton != PARALLEL, issue a warning and pretend it was.
4494         Also issue a warning for any predicate we don't know about.
4495
4496 2004-08-12  Richard Henderson  <rth@redhat.com>
4497
4498         * config/i386/i386.c (internal_label_prefix): Export.
4499         (internal_label_prefix_len, struct ix86_address,
4500         ix86_decompose_address, maybe_get_pool_constant,
4501         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
4502         memory_address_length): Export.
4503         (any_fp_register_operand, fp_register_operand,
4504         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
4505         x86_64_general_operand, x86_64_szext_general_operand,
4506         x86_64_nonmemory_operand, x86_64_movabs_operand,
4507         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
4508         x86_64_zext_immediate_operand, const_int_1_31_operand,
4509         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
4510         tls_symbolic_operand, global_dynamic_symbolic_operand,
4511         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
4512         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
4513         constant_call_address_operand, const0_operand, const1_operand,
4514         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
4515         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
4516         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
4517         general_no_elim_operand, nonmemory_no_elim_operand,
4518         index_register_operand, q_regs_operand, flags_reg_operand,
4519         non_q_regs_operand, zero_extended_scalar_load_operand,
4520         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
4521         ix86_comparison_operator, ix86_carry_flag_operator,
4522         fcmov_comparison_operator, promotable_binary_operator,
4523         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
4524         mult_operator, div_operator, arith_or_logical_operator,
4525         memory_displacement_operand, cmpsi_operand, long_memory_operand,
4526         aligned_operand): Move to predicates.md as define_predicates.
4527         (tls_symbolic_operand_1): Remove.
4528         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
4529         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
4530         (legitimize_address): Merge tls_symbolic_operand contents.
4531         (ix86_expand_move): Likewise.
4532         * config/i386/i386-protos.h: Update for exports.
4533         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
4534         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
4535         * config/i386/i386.md: Include predicates.md.
4536         * config/i386/predicates.md: New file.
4537
4538 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
4539
4540         PR c++/16924
4541         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
4542         SYMBOL_REF_DECL.
4543         (i386_pe_mark_dllimport): Likewise.
4544         (i386_pe_encode_section_info): Likewise, when overriding
4545         dllimport attribute.
4546
4547 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
4548
4549         * configure.ac: When testing for flex, nm, ar, and bison, check
4550         that they will actually be built.
4551         * configure: Regenerate.
4552
4553 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
4554
4555         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
4556         (MOVE_MAX_PIECES): Define.
4557
4558 2004-08-12  Devang patel  <dpatel@apple.com>
4559
4560         * dbxout.c (dbxout_begin_prologue): New function.
4561         (dbx_debug_hooks): Use new begin prologue hook.
4562         (dbxout_function_end): Emit N_ENSYM.
4563         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
4564
4565 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
4566
4567         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
4568         argument is float*.
4569
4570         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
4571         for vec_dss.
4572
4573         * doc/extend.texi (AltiVec builtins): Fix description for recent
4574         changes.  Update operation list to match current support.
4575
4576 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4577
4578         * config/s390/s390.c (struct s390_frame_layout): New struct as element
4579         of struct machine_function.
4580         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
4581         changed all uses.
4582         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
4583         changed all uses.
4584         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
4585         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
4586         (s390_frame_area, s390_register_info): New functions.
4587         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
4588         for base register.
4589         (s390_return_addr_rtx, s390_return_address_offset)
4590         (s390_va_start, s390_gimplify_va_arg)
4591         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
4592         layouts.
4593         (s390_frame_info): Functionality partly moved to s390_register_info.
4594         Made adaptions for new stack layout.
4595         (save_gprs, restore_gprs): Changed meaning of second parameter and
4596         adapted all callers.
4597
4598         * config/s390/s390.h (s390_backchain_string): New global variable.
4599         (MASK_BACKCHAIN): Removed definition.
4600         (TARGET_BACKCHAIN): Changed check.
4601         (TARGET_KERNEL_BACKCHAIN): New macro.
4602         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
4603         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
4604         "kernel-backchain".
4605         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
4606
4607         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
4608         as condition.  Adjusted for new stack layout.
4609
4610         * doc/invoke.texi: Added documentation for new option
4611         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
4612         "-mno-backchain".
4613
4614 2004-08-12  Paul Brook  <paul@codesourcery.com>
4615
4616         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
4617         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
4618
4619 2004-08-12  David Daney  <ddaney@avtrex.com>
4620
4621         * java/gcj.texi:  Add subsection on signal usage.
4622
4623 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4624
4625         * expr.c (move_by_pieces): Set alignment for move to minimum of
4626         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
4627         alignment, but not less than the original alignment.
4628         (move_by_pieces_ninsns): Same.
4629         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
4630         (store_by_pieces_1): Same.
4631
4632 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
4633
4634         PR tree-optimization/16867
4635         * tree.c (is_global_var): New function.
4636         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
4637         Call is_global_var.
4638         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
4639         Update all users.
4640         (is_global_var): Declare.
4641         * tree-dfa.c (dump_variable): Display global and addressable
4642         attributes.
4643         (add_referenced_var): Clarify documentation when marking
4644         variables call-clobbered.
4645         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
4646         instead of needs_to_live_in_memory.
4647         (mark_call_clobbered): If the variable is a tag, mark it
4648         DECL_EXTERNAL.
4649         * tree-gimple.c (is_gimple_reg): Don't check for
4650         TREE_ADDRESSABLE.
4651         (is_gimple_non_addressable): Likewise.
4652         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
4653         needs to be marked call-clobbered.
4654         (setup_pointers_and_addressables): Call is_global_var instead
4655         of needs_to_live_in_memory.
4656         * tree-ssa-dce.c (need_to_preserve_store): Remove.
4657         Update all users with is_global_var.
4658         (mark_stmt_if_obviously_necessary): Fix processing of aliased
4659         stores.  Don't check the virtual definitions.  Rather, check
4660         whether the store is going into global memory.
4661         (find_obviously_necessary_stmts): Get the symbol from the PHI
4662         result.
4663         * tree-ssa-operands.c (get_call_expr_operands): Do not add
4664         clobbering may-defs if the call does not have side effects.
4665
4666 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
4667
4668         PR c++/16276
4669         * output.h (default_function_rodata_section,
4670         default_no_function_rodata_section): New prototypes.
4671         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
4672         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4673         (TARGET_ASM_OUT): Add it.
4674         * varasm.c (default_function_rodata_section,
4675         default_no_function_rodata_section): New functions.
4676         * final.c (final_scan_insn): Call
4677         targetm.asm_out.function_rodata_section instead of
4678         readonly_data_section.
4679         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4680         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4681         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4682         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4683         Likewise.
4684         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4685         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4686         Likewise.
4687         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4688         Likewise.
4689         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4690         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4691         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
4692
4693 2004-08-12  Paul Brook  <paul@codesourcery.com>
4694
4695         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
4696         frame info.
4697         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
4698         DWARF2_UNWIND_INFO.
4699
4700 2004-08-12  Ben Elliston  <bje@au.ibm.com>
4701
4702         PR target/16286
4703         * config/rs6000/altivec.h: Change vector to __vector throughout.
4704         (Except for the `vector' macro itself).
4705
4706 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4707
4708         * genpreds.c: Add capability to generate predicate bodies as
4709         well as function prototypes.  Write function prototypes for
4710         the generic predicates too.
4711         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
4712         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
4713         (write_match_code, write_predicate_expr, write_one_predicate_function)
4714         (parse_option): New functions.
4715         (output_predicate_decls): Delete.
4716         (main): Read the machine description, process DEFINE_PREDICATE or
4717         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
4718         as appropriate.
4719
4720         * genrecog.c (struct decision_test): Replace index with
4721         struct pred_data pointer.
4722         (next_index): Remove, unused.
4723         (pred_table, preds, special_mode_pred_table): Delete.
4724         (compute_predicate_codes, process_define_predicate): New functions.
4725         (validate_pattern, add_to_sequence, write_switch): Update for
4726         new data structures.
4727         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4728         Check both error_count and have_error.
4729
4730         * gensupport.c (in_fname, first_predicate): New globals.
4731         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
4732         (predicate_table, last_predicate, old_pred_table)
4733         (old_special_pred_table): New statics.
4734         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
4735         (add_predicate, init_predicate_table): New functions.
4736         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4737         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
4738         it or max_include_len.  Call init_predicate_table.
4739         (read_rtx): Run the predicate queue after the attribute queue
4740         but before all the others.
4741         * gensupport.h (in_fname, struct pred_data, first_predicate)
4742         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
4743         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
4744         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
4745         * dummy-conditions.c: Don't include bconfig.h, system.h,
4746         coretypes.h, tm.h, or system.h.  Do include stddef.h.
4747         Duplicate declaration of struct c_test from gensupport.h.
4748
4749         * Makefile.in (OBJS-common): Add insn-preds.o.
4750         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
4751         (insn-preds.c, insn-preds.o): New rules.
4752         (s-preds): Also generate insn-preds.c.
4753         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
4754         Update dependencies.
4755         (print-rtl.o, print-rtl1.o): Correct dependencies.
4756
4757         * recog.h: Delete prototypes of predicate functions.
4758
4759         * doc/md.texi (Predicates): New section with complete
4760         documentation of operand/operator predicates.  Remove some
4761         incomplete documentation of predicates from other places.
4762         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
4763         PREDICATE_CODES; indicate that both are deprecated in favor
4764         of define_predicate/define_special_predicate.
4765
4766         * config/ia64/ia64.c: All predicate function definitions moved
4767         to ia64.md, except
4768         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
4769         (ia64_expand_load_address, ia64_expand_move):
4770         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
4771
4772         * config/ia64/ia64.md: All predicates now defined here.
4773         (symbolic_operand): Is now a special predicate.
4774
4775         * config/ia64/ia64.h: Declare ia64_section_threshold.
4776         (PREDICATE_CODES): Delete.
4777
4778 2004-08-12  Richard Henderson  <rth@redhat.com>
4779
4780         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
4781         * c-semantics.c (add_stmt): Set it.
4782         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
4783         before instantiating a variable sized type.
4784
4785 2004-08-12  Richard Henderson  <rth@redhat.com>
4786
4787         * stor-layout.c (round_up, round_down): Move ...
4788         * fold-const.c (round_up, round_down): ... here.  Use
4789         multiple_of_p to avoid any arithmetic at all.
4790
4791 2004-08-12  Richard Henderson  <rth@redhat.com>
4792
4793         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
4794         (gimplify_init_ctor_preeval_1): New.
4795         (gimplify_init_ctor_preeval): New.
4796         (gimplify_init_ctor_eval): New.
4797         (gimplify_init_constructor): Use them.  Always gimplify the LHS
4798         object first.
4799
4800 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
4801
4802         (This patch is part of merge of objc-improvements-branch
4803         into mainline.)
4804
4805         * doc/frontends.texi: Mention Objective-C++ in addition to
4806         Objective-C.
4807         * doc/install.texi: Add 'obj-c++' to list of configurable
4808         languages.
4809         * doc/invoke.texi: Rename Objective-C option headings to
4810         indicate they also apply to Objective-C++.  List file
4811         extensions for Objective-C++ sources.  Mention that
4812         ObjC and ObjC++ compilations may also use C and C++ options,
4813         respectively.  Point users to doc/standards.texi for
4814         further info on ObjC and ObjC++.
4815         * doc/sourcebuild.texi: Mention the objcp/ directory and
4816         the Objective-C++ sources it contains.
4817         * doc/standards.texi: Update link to Apple ObjC site;
4818         add link to gcc readings.html WWW doc.
4819
4820 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
4821
4822         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
4823         and 2004-07-14 changes.
4824
4825 2004-08-12  Paul Brook  <paul@codesourcery.com>
4826
4827         * doc/invoke.texi: Fix typo.
4828
4829 2004-08-11 Devang Patel  <dpatel@apple.com>
4830
4831         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
4832         and -no_dead_strip_inits_and_terms.
4833         (LINK_SPEC): Same.
4834         * doc/invoke.texi (Darwin Options): Document -dead_strip and
4835         -no_dead_strip_inits_and_terms.
4836
4837 2004-08-11  Paul Brook  <paul@codesourcery.com>
4838
4839         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
4840         (arm_load_pic_register): ... to this.
4841         * config/arm/arm.c (arm_finalize_pic): Rename ...
4842         (arm_load_pic_register): ... to this.  Always output insns at the
4843         current location.  Load via low reg in thumb mode.
4844         (arm_expand_prologue): Call arm_load_pic_register.
4845         (thumb_expand_prologue): Ditto.
4846         * config/arm/arm.h (FINALIZE_PIC): Remove.
4847         * config/arm/arm.md (builtin_setjmp_receiver): Call
4848         arm_load_pic_register.
4849
4850 2004-08-11  Paul Brook  <paul@codesourcery.com>
4851
4852         * arm.c (thumb_force_lr_save): Add prototype.
4853         (thumb_compute_save_reg_mask): New function.
4854         (thumb_find_work_register): New function.
4855         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
4856         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
4857         Don't clobber r3 when removing pretend args.
4858         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
4859         (thumb_output_function_prologue): Use new functions.
4860         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
4861         * arm.h (THUMB_REG_PUSHED_P): Remove.
4862
4863 2004-08-11  James E Wilson  <wilson@specifixinc.com>
4864
4865         PR rtl-optimization/16490
4866         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
4867         global_live_at_end for new basic block if already set for other blocks.
4868
4869 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
4870
4871         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
4872
4873         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
4874         (mfcr rlwinm rlwinm patterns): Set length to 12.
4875
4876 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
4877
4878         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
4879         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
4880         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
4881         (start_ssa_stmt_operands): Delete.
4882         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
4883         struct stmt_operands_d.
4884         (build_ssa_operands): New extern entry point.
4885         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
4886         building code, replace with create_ssa_artficial_load_stmt().
4887         * tree-ssa-operands.c (struct voperands_d): Delete.
4888         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
4889         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
4890         (free_uses, free_defs, free_vuses, free_v_may_defs,
4891         free_v_must_defs): Remove dealloc parameter.
4892         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
4893         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
4894         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
4895         vector comparisons, ssa_name reuse, and allocations here.
4896         (verify_start_operands): Delete.
4897         (finalize_ssa_stmt_operands): Set new operands by calling finalize
4898         routines.
4899         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
4900         (append_def, append_usei): Simplify to simple accumulation.
4901         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
4902         duplicates and simple accumulation.
4903         (free_ssa_operands): Free vectors in a stmt_operand structure.
4904         (build_ssa_operands): New. Create a new stmt_operand structure from
4905         a stmt and an old set of stmt_operands.
4906         (get_stmt_operands): Simplify and call build_ssa_operands.
4907         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
4908         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
4909         add_call_read_ops): Don't pass prev_vops around anymore.
4910         (note_addressable): Return if no stmt annotation.
4911         (copy_virtual_operands): Access v_may_def operands through a struct.
4912         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
4913         hash tables without treating the stmt as a real stmt.
4914         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
4915         v_may_def def and use through a struct instead of 2 array elements.
4916         (struct v_may_def_optype_d): Use v_may_def_operand_type.
4917         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
4918
4919 2004-08-11  Nick Clifton  <nickc@redhat.com>
4920
4921         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
4922         this funciton's behaviour.  Return true when the current function
4923         has a section attribute and -mlong-calls is in effect.
4924         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
4925         short-call marker when -mlong-calls is in effect and the function
4926         has a section attribute.
4927
4928 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
4929
4930         * stmt.c (expand_return): If asked to return the RESULT_DECL,
4931         just call expand_value_return on result_rtl.
4932
4933 2004-08-10  Richard Henderson  <rth@redhat.com>
4934
4935         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
4936         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
4937         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
4938         (add_location_or_const_value_attribute): ... not here.  Use
4939         loc_descriptor_from_tree if possible.
4940         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
4941         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
4942         values specially.
4943         (loc_descriptor_from_tree): New.  Update callers.
4944         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
4945         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
4946         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
4947         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
4948         and BUILT_IN_STACK_RESTORE.
4949         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
4950         * stmt.c (expand_stack_alloc): Remove.
4951         * tree-mudflap.c (mx_register_decls): Don't look for
4952         BUILT_IN_STACK_ALLOC.
4953         * tree-nested.c (convert_local_reference): Likewise.
4954         * tree.h (DECL_VALUE_EXPR): New.
4955
4956 2004-08-10  Richard Henderson  <rth@redhat.com>
4957
4958         * stor-layout.c (round_up): Check for 0/1 before dividing.
4959         (round_down): Likewise.
4960
4961         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
4962
4963 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
4964
4965         * config.gcc (arm*-*-eabi*): New target.
4966         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
4967         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4968         * expmed.c (expand_divmod): Try a two-valued divmod function as a
4969         last resort.
4970         * gthr.h: Remove bogus tokens at end of #pragma.
4971         * optabs.c (expand_twoval_binop_libfunc): New function.
4972         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
4973         (prepare_float_lib_cmp): Try reversing the condition.
4974         (debug_optab_libfuncs): New function.
4975         * optabs.h (expand_twoval_binop_libfunc): Declare.
4976         * config/arm/arm.c (arm_init_libfuncs): New function.
4977         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
4978         (TARGET_INIT_LIBFUNCS): Define it.
4979         * config/arm/arm.h (TARGET_BPABI): New macro.
4980         * config/arm/arm-protos.h
4981         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
4982         * config/arm/bpabi.S: New file.
4983         * config/arm/bpabi.c: Likewise.
4984         * config/arm/bpabi.h: Likewise.
4985         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
4986         (__aeabi_drsub): Likewise.
4987         (__aeabi_dsub): Likewise.
4988         (__aeabi_dadd): Likewise.
4989         (__aeabi_ui2d): Likewise.
4990         (__aeabi_i2d): Likewise.
4991         (__aeabi_f2d): Likewise.
4992         (__aeabi_dmul): Likewise.
4993         (__aeabi_ddiv): Likewise.
4994         (__aeabi_cdrcmple): Likewise.
4995         (__aeabi_cdcmpeq): Likewise.
4996         (__aeabi_cdcmple): Likewise.
4997         (__aeabi_dcmpeq): Likewise.
4998         (__aeabi_dcmplt): Likewise.
4999         (__aeabi_dcmple): Likewise.
5000         (__aeabi_dcmpge): Likewise.
5001         (__aeabi_dcmpgt): Likewise.
5002         (__aeabi_dcmpun): Likewise.
5003         (__aeabi_d2iz): Likewise.
5004         (__aeabi_d2uiz): Likewise.
5005         (__aeabi_d2f): Likewise.
5006         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
5007         (__aeabi_frsub): Likewise.
5008         (__aeabi_fsub): Likewise.
5009         (__aeabi_fadd): Likewise.
5010         (__aeabi_ui2f): Likewise.
5011         (__aeabi_i2f): Likewise.
5012         (__aeabi_fmul): Likewise.
5013         (__aeabi_fdiv): Likewise.
5014         (__aeabi_cfrcmple): Likewise.
5015         (__aeabi_cfcmpeq): Likewise.
5016         (__aeabi_cfcmple): Likewise.
5017         (__aeabi_fcmpeq): Likewise.
5018         (__aeabi_fcmplt): Likewise.
5019         (__aeabi_fcmple): Likewise.
5020         (__aeabi_fcmpge): Likewise.
5021         (__aeabi_fcmpgt): Likewise.
5022         (__aeabi_fcmpun): Likewise.
5023         (__aeabi_f2iz): Likewise.
5024         (__aeabi_f2uiz): Likewise.
5025         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
5026         (__aeabi_uidivmod): New function or alias.
5027         (__aeabi_idivmod): Likewise.
5028         (__aeabi_idiv0): Likewise.
5029         (__aeabi_ldiv0): Likewise.
5030         (__aeabi_llsr): Likewise.
5031         (__aeabi_lasr): Likewise.
5032         (__aeabi_llsl): Likewise.
5033         (bpabi.S): Include it.
5034         * config/arm/libgcc-bpabi.ver: New file.
5035         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
5036         (LINK_SPEC): Remove.
5037         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
5038         __aeabi_ulcmp.
5039         * config/arm/t-bpabi: New file.
5040         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
5041         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5042
5043 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
5044
5045         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
5046         * config/rs6000/rs6000.md (clrmemsi): New pattern.
5047         * config/rs6000/rs6000.c (expand_block_clear): New function.
5048         (expand_block_move): Convert alignment to bits.  Use SImode and
5049         HImode for unaligned addresses if not STRICT_ALIGNMENT.
5050
5051 2004-08-10  Caroline Tice  <ctice@apple.com>
5052
5053         * varasm.c (unlikely_section_label): New global variable.
5054         (unlikely_text_section_name): New global variable.
5055         (text_section):  Remove alignment statement.
5056         (unlikely_text_section): Remove alignment statement; use
5057         unlikely_section_label rather than hard-coded string.
5058         (assemble_start_function): Initialize unlikely_section_label and
5059         unlikely_text_section_name;  make sure cold section is properly
5060         aligned at start of function; output unlikely_section_label if
5061         appropriate.
5062
5063 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
5064
5065         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
5066         * config/s390/s390.c (s390_canonicalize_comparison): New function.
5067         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
5068         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
5069         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
5070         ("*tmqi_mem"): Remove SUBREG from pattern.
5071         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
5072         ("*andsi3_cconly"): Likewise.
5073
5074 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5075
5076         PR target/16909
5077         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
5078
5079 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
5080
5081         * doc/sourcebuild.texi (compat testing): Document available test
5082         framework commands.  Use the preferred spelling of DejaGnu.
5083
5084 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
5085
5086         * lambda.h: Add matrix type, and prototypes for remainder of
5087         matrix and vector functions.
5088         (lambda_vector_mult_const): New function.
5089         (lambda_vector_negate): Ditto.
5090         (lambda_vector_add): Ditto.
5091         (lambda_vector_add_mc): Ditto.
5092         (lambda_vector_copy): Ditto.
5093         (lambda_vector_zerop): Ditto.
5094         (lambda_vector_equal): Ditto.
5095         (lambda_vector_min_nz): Ditto.
5096         (lambda_vector_first_nz): Ditto.
5097         (lambda_vector_matrix_mult): Ditto.
5098         * lambda-mat.c: New file.
5099         * Makefile.in (lambda-mat.o): New.
5100
5101 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
5102
5103         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
5104         after linking stmt into the program.
5105         (bsi_remove): Don't call modify_stmt.
5106         * tree-complex.c (update_complex_assignment,
5107         expand_complex_comparison): Call modify_stmt after changing the stmt.
5108         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
5109         removing the stmt.
5110         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
5111         the stmt, and only if needed.
5112         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
5113         expression.
5114         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
5115         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
5116         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
5117         (eliminate_redundant_computations): Don't pass an annotation. Call
5118         modify_stmt rather than setting the annotation directly.
5119         (record_equivalences_from_stmt): Remove unused local 'j'.
5120         (cprop_operand): Take a stmt rather than an annotation as a parameter.
5121         Call modify_stmt.
5122         (cprop_into_stmt): Pass stmt rather than annotation.
5123         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
5124         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
5125         modify_stmt.
5126         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
5127
5128 2004-08-10  Jason Merrill  <jason@redhat.com>
5129
5130         PR middle-end/16948
5131         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
5132         the RESULT_DECL.
5133
5134 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
5135
5136         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
5137         hash function.
5138
5139 2004-08-10  Roger Sayle  <roger@eyesopen.com>
5140
5141         * config/mips/mips.md: New reciprocal square root patterns that
5142         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
5143
5144 2004-08-10  Paul Brook  <paul@codesourcery.com>
5145
5146         * config/arm/arm-protos.h (arm_set_return_address,
5147         thumb_set_return_address): Add prototypes.
5148         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
5149         * config/arm/arm.c (arm_compute_func_type,
5150         use_return_insn, arm_compute_save_reg0_reg12_mask,
5151         arm_compute_save_reg_mask, arm_output_function_prologue,
5152         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
5153         current_function_calls_eh_return.
5154         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
5155         old eh code.
5156         (arm_set_return_address, thumb_set_return_address): New functions.
5157         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
5158         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
5159         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
5160         (epilogue): Use the stackadj register.
5161         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
5162
5163 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
5164
5165         PR target/3144
5166         * expr.c (move_by_pieces_ninsns): Add max_size argument.
5167         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
5168         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
5169         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
5170         but using MOVE_RATIO.
5171         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
5172         (can_store_by_pieces): Change max_size type to unsigned int.
5173         (store_by_pieces_1): Likewise.  Pass max_size to
5174         move_by_pieces_ninsns.
5175         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
5176         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
5177         to move_by_pieces_ninsns.
5178         (STORE_BY_PIECES_P): Define.
5179         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
5180         to move_by_pieces_ninsns.
5181         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
5182
5183         * config/i386/i386.h (CLEAR_RATIO): Define.
5184
5185 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5186
5187         * expr.c (expand_expr_real_1): Add back code that was not dead.
5188
5189 2004-08-09  Andrew Pinski  <apinski@apple.com>
5190
5191         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
5192         which is found to be compatible before returning the aliasing set.
5193
5194 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
5195
5196         * ggc-zone.c (struct alloc_zone): Add statistics counters.
5197         (always_collect): New flag.
5198         (ggc_alloc_zone_1): Update statistics support.  Don't include
5199         overhead in allocated counter.
5200         (sweep_pages): Update allocated counter for large pages.  Don'y
5201         include overhead.
5202         (ggc_collect_1): Always collect.
5203         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
5204         whether to collect.
5205         (SCALE, LABEL): New macros.
5206         (ggc_print_statistics): Add statistics support.
5207
5208 2004-08-09  Roger Sayle  <roger@eyesopen.com>
5209
5210         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
5211         (init_expmed): Fix potential overrun problem with "all.reg".
5212         (expand_sdiv2_pow2): Add an alternate implementation for signed
5213         division, if the target provides a suitable conditional move insn.
5214
5215 2004-08-09  Paul Brook  <paul@codesourcery.com>
5216         Richard Henderson  <rth@redhat.com>
5217
5218         * unwind-dw2.c (uw_install_context_1): Update target saved stack
5219         pointer.
5220
5221 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
5222
5223         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
5224         Check DATA limit only if there's no AS limit.  Ignore insanely
5225         low DATA limits.
5226         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
5227         but take care that the AS limit isn't overrun.
5228         * doc/invoke.texi: Update documentation of min-heapsize parameter.
5229
5230 2004-08-09  Jeff Law  <law@redhat.com>
5231
5232         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
5233         (tree-ssa-threadupdate.o): Add dependencies.
5234         * tree-ssa-threadupdate.c: New file.
5235         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
5236         (rewrite_vars_out_of_ssa): Remove prototype.
5237         (cleanup_tree_cfg): Returns a bool.
5238         * tree.h (thread_through_all_blocks): Prototype.
5239         * tree-outof-ssa.c  (SSANORM_*): Move into here.
5240         (remove_ssa_form): Now static.
5241         (rewrite_vars_out_of_ssa): Kill.
5242         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
5243         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
5244         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
5245         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
5246         anything was changed.
5247         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
5248         from the PHI's annotation rather than the edge associated with
5249         the new argument.
5250         * tree-ssa-dom.c (redirection_edges): Kill.
5251         (redirect_edges_and_update_ssa_graph): Kill.
5252         (tree_ssa_dominator_optimize): Do not reset forwardable flag
5253         for blocks anymore.  Do not initialize redirection_edges.
5254         Call thread_through_all_blocks.  Simplify code for cleanup
5255         of the CFG and iterating.  No longer call cleanup_tree_cfg
5256         outside the iteration loop.
5257         (thread_across_edge): No longer mess with forwardable blocks.
5258
5259 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
5260
5261         * explow.c (memory_address): Use memory_address_p.
5262         * recog.c (general_operand): Likewise.
5263         * regrename.c: No need to define REG_OK_STRICT.
5264
5265 2004-08-09  Steven Bosscher  <stevenb@suse.de>
5266
5267         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
5268         New timers.
5269         * gcse.c: Include timevar.h.
5270         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
5271         and global_copy_prop_count.
5272         (local_const_prop_count, local_copy_prop_count): New static globals.
5273         (gcse_main): Set the right timevar for each pass.
5274         (cprop_jump): Increment global_const_prop_count when a constant is
5275         propagated.  Add "GLOBAL" to dump output.
5276         (cprop_insn): Increment global_const_prop_count when a constant is
5277         propagated, or global_copy_prop_count when a copy is propagated.
5278         (do_local_cprop): Likewise for local_const_prop_count and
5279         local_copy_prop_count.
5280         (one_cprop_pass): Initialize const/cprop counters to zero.
5281         Print out results of local and global const/cprop separately.
5282         (bypass_block): Break over-length line.
5283         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
5284         for bb-reorder.o and tracer.o.
5285
5286 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5287
5288         * Makefile.in (GTFILES): Remove stmt.c
5289         (stmt.o): Do not depend on gt-stmt.h.
5290         * emit-rtl.c (emit_line_note): Do not call
5291         set_file_and_line_for_stmt.
5292         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
5293         do everything.
5294         * function.c (free_after_parsing): Do not free STMT field.
5295         (allocate_struct_function): Do not call init_stmt_for_function.
5296         (assign_stack_temp_for_type): Do not accept values of keep
5297         other than 0 or 1.
5298         (init_temp_slots): Do not initialize removed variables.
5299         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
5300         and X_VAR_TEMP_SLOT_LEVEL fields.
5301         * rtl.h (set_file_and_line_for_stmt): Remove.
5302         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
5303         struct stmt_status, cond_stack, case_stack, nesting_stack,
5304         nesting_depth, emit_locus, set_file_and_line_for_stmt,
5305         same_case_target_p, init_stmt_for_function, emit_nop,
5306         expand_start_cond, expand_start_elseif, expand_start_else,
5307         expand_elseif, expand_end_cond): Remove.
5308         (preserve_subexpressions_p): Remove references to CFUN->STMT.
5309         (expand_start_case, expand_end_case_type): Remove, merge into...
5310         (expand_case): ... this one, including other bits from
5311         expand_expr_real_1.  Inline same_case_target_p.  Turn members
5312         of CASE_STACK into local variables.
5313         (emit_case_bit_tests): Inline same_case_target_p.
5314         (add_case_node): Add HEAD argument, return new head of the list,
5315         do not handle default label here.
5316         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
5317         expand_start_elseif, current_nesting_level, expand_start_case,
5318         expand_end_case_type, expand_end_case, add_case_node,
5319         init_stmt_for_function, expand_elseif): Remove prototypes.
5320         (expand_case): Add prototype.
5321
5322 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5323
5324         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
5325
5326 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5327
5328         * expr.c (var_rtx): Remove.
5329         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
5330         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
5331         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
5332         Abort.
5333         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
5334         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
5335         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
5336
5337 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
5338         Ayal Zaks <zaks@il.ibm.com>
5339
5340         * common.opt (freschedule-modulo-scheduled-loops): New flag.
5341         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
5342         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
5343         when -freschedule-modulo-scheduled-loops flag is not specified.
5344         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
5345         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
5346         More accurate placing of insn in row of partial schedule.
5347         (ps_insn_find_column): New function.
5348         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
5349         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
5350         (schedule_region): Use sched_is_disabled_for_current_region_p.
5351         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
5352
5353 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5354
5355         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
5356         change.
5357
5358 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5359
5360         * config/i386/i386.c (ix86_expand_clrmem): Properly call
5361         gen_strset for 64bit target.
5362
5363 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
5364
5365         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
5366
5367 2004-08-07  Jason Merrill  <jason@redhat.com>
5368
5369         Make return in memory explicit.
5370         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
5371         (assign_parm_find_data_types): Remove code for old front end
5372         invisible reference handling.
5373         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
5374         (expand_function_end): Likewise.
5375         * gimplify.c (gimplify_return_expr): Handle a dereferenced
5376         RESULT_DECL.
5377         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
5378         (declare_return_variable): Handle DECL_BY_REFERENCE.
5379         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
5380         (cp_genericize_r): Use convert_from_reference.
5381         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
5382         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
5383
5384         * c-common.c (c_warn_unused_result): Check TREE_USED before
5385         warning about a CALL_EXPR with an unused value.
5386
5387 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5388
5389         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
5390         to the compiler.  Use -fshort-wchar by default.
5391
5392 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
5393
5394         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
5395         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
5396         threshhold.
5397         * doc/invoke.texi (param): Document min-crossjump-insns.
5398
5399 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
5400
5401         PR c/13282
5402         * c.opt (Wmissing-field-initializers): New option.
5403         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
5404         * c-typeck.c (pop_init_level): Guard the missing field warning with
5405         warn_missing_field_initializers rather than extra_warnings.
5406         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
5407         some of the explanation from...
5408         (-Wextra): ...here.  Say that the missing field warning can be
5409         seperately controlled by -Wmissing-field-initializers.
5410
5411 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
5412
5413         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
5414         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
5415         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
5416         * tree.def (ENTRY_VALUE_EXPR): Remove.
5417
5418 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
5419
5420         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
5421         the places where it is actually needed.  Don't use repz; stosb
5422         for -Os with sufficiently small constant sizes.
5423         For sufficiently small repz; stos{l,q} repeat counts use a sequence
5424         of stos{l,q} instructions instead.
5425
5426 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5427
5428         PR tree-optimization/16807
5429         * loop-iv.c (dump_iv_info): Dump invariants correctly.
5430         (iv_subreg, iv_extend): Express value of invariant purely in
5431         base field.
5432
5433 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5434
5435         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
5436         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
5437
5438 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
5439
5440         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
5441         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
5442         pre_dec_operand.
5443         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
5444         pattern until reload is finished to allow better code generation
5445         and split them completely into separate instrunctions.
5446         (*andsi3_split): New pattern.
5447
5448 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
5449
5450         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
5451         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
5452         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5453         * tree.h (handle_dll_attribute): Declare.  Test
5454         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5455         * c-common.h (c_determine_visibility): Declare.
5456         * c-common.c (c_determine_visibility): New function.
5457         * c-decl.c (finish_decl): Use it.
5458         (finish_function): Likewise.
5459         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
5460         zero, by default.  Use #if, not #ifdef, to test it.
5461         * config/arm/arm.c (arm_attribute_table): Use
5462         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
5463         #if.
5464         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
5465         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5466         to 1.
5467         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
5468         * config/i386/i386.c (ix86_attribute_table): Use
5469         handle_dll_attribute for dllimport/dllexport.  Test
5470         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5471         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
5472         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5473         it to 1.
5474         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
5475         with #if.
5476         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5477         it to 1.
5478         * doc/extend.texi (dllexport): Clarify and correct documentation.
5479         (dllimport): Likewise.
5480         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
5481         handle_dll_attribute.
5482
5483 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5484
5485         * tree-ssa-loop-manip.c: New file.
5486         * Makefile.in (tree-ssa-loop-manip.o): Add.
5487         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
5488         Declare.
5489         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
5490         form.
5491         (tree_ssa_loop_done): Verify loop closed ssa form.
5492         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
5493
5494 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5495
5496         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
5497         pa_asm_output_aligned_local): New functions.
5498         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
5499         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
5500         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
5501         pa_asm_output_aligned_common.
5502         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5503         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
5504         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5505         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5506         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
5507         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5508         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5509         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
5510         common data.
5511
5512 2004-08-05  Andrew Pinski  <apinski@apple.com>
5513
5514         * objc/objc-act.c (build_objc_string_object): Mark the address
5515         expression as constant.
5516
5517 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
5518
5519         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
5520         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
5521         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
5522
5523 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5524
5525         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
5526         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
5527         out, and associated obsolete comments.
5528
5529 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
5530
5531         * tree.h (force_fit_type): Return a tree, take three flags.
5532         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
5533         TREE_CONSTANT_OVERFLOW here.
5534         (int_const_binop, const_binop): Adjust.
5535         (size_int_type): Do sign extension here.
5536         (fold_convert_const, optimize_bit_field_compare,
5537         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
5538         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
5539         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
5540
5541 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5542
5543         PR tree-optimization/16864
5544         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
5545         for ssa names without default_def.
5546
5547 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
5548
5549         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
5550         frame pointer, restore eax with an ebp-relative address.
5551
5552 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
5553
5554         PR 14516
5555         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
5556         * c-common.h (make_rtl_for_local_static): Delete.
5557         * c-decl.c (shadow_tag_warned): Clean up comment.
5558         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
5559         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
5560         * c-semantics.c (make_rtl_for_local_static): Delete.
5561         * expr.c (init_block_move_fn): Use set_user_assembler_name.
5562         (init_block_clear_fn): Likewise.
5563         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
5564         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
5565         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
5566         * tree.h (make_decl_rtl): Remove second parameter.
5567         (set_user_assembler_name): New.
5568         * varasm.c (set_user_assembler_name): New.
5569         (make_decl_rtl): Remove second parameter.  Update callers in many
5570         files.
5571
5572 2004-08-05  Adam Nemet  <anemet@lnxw.com>
5573
5574         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
5575         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
5576         to LynxOS 4.0.
5577         * gthr-lynx.h: New file.
5578         * config/lynx-ng.h: Remove file.
5579         * config/lynx.h: Update to LynxOS 4.0.
5580         * config/t-lynx: New file.
5581         * config/i386/lynx-ng.h: Remove file.
5582         * config/i386/lynx.h: Update to LynxOS 4.0.
5583         * config/rs6000/lynxbase.h: Remove file.
5584         * config/rs6000/lynx.h: Update to LynxOS 4.0.
5585         * config/rs6000/t-lynx: New file.
5586         * doc/install.texi (Options specification): Remove reference to
5587         LynxOS from systems where --with-gnu-as makes a difference.
5588
5589 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5590
5591         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
5592         __UINTMAX_TYPE__.
5593         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
5594         __INTMAX_MAX__.
5595         (c_cpp_builtins): Call it.
5596         * doc/cpp.texi: Update.
5597
5598 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
5599
5600         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
5601         cost.
5602
5603 2004-08-04  Jan Hubicka  <jh@suse.cz>
5604
5605         * basic-block.h (profile_staus): New global variable.
5606         * cfg.c (profile_status): Declare.
5607         (check_bb_profile): Break out from ....; use profile_status
5608         (dump_flow_info): ... here.
5609         * cfgbuild.c (find_basic_blocks): Set profile_status.
5610         * cfgexpand.c (tree_expand_cfg): Likewise.
5611         * predict.c (estimate_probability): Likewise.
5612         * profile.c (branch_prob): Likewise.
5613         * tree-cfg.c (build_tree_cfg): Likewise.
5614         (dump_function_to_file): Use check_bb_profile.
5615         * tree-pretty-print (dump_bb_header): Likewise.
5616         * tree-profile.c (do_tree_profiling): Cleanup.
5617
5618 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
5619
5620         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
5621         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
5622         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
5623         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
5624         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
5625         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
5626         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
5627         (ggc-none.o, errors.o): Move rule to generators section;
5628         correct dependencies.
5629         (min-insn-modes.o): Move rule to generators section; remove
5630         unnecessary explicit command; correct dependencies.
5631         (print-rtl.o, print-rtl1.o): Correct dependencies.
5632         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
5633         (mostlyclean): Update.
5634
5635         * errors.c: Include bconfig.h not config.h.  Correct comment.
5636         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
5637         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
5638         * print-rtl.c: Don't include tm_p.h.
5639
5640         * rtl.h: Move forward-decl of struct function down where it's
5641         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
5642         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
5643
5644 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5645             Jeff Law  <law@redhat.com>
5646
5647         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
5648         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
5649         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
5650         manipulate the duplicated ssa names.
5651         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
5652         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
5653         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
5654         New functions.
5655         (release_ssa_name): Do not release ssa names that may have multiple
5656         definitions.
5657         * tree.h (release_ssa_name_force, mark_for_rewrite,
5658         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
5659         marked_ssa_names): Declare.
5660         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
5661         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
5662         Update call to rewrite_ssa_into_ssa.
5663
5664 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
5665
5666         * defaults.h (TARGET_DECLSPEC): New macro.
5667         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
5668         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
5669         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
5670         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
5671         __declspec support.
5672         (TARGET_DECLSPEC): Define.
5673         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
5674         __declspec support.
5675         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
5676         __declspec support.
5677         (TARGET_DECLSPEC): Define.
5678         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
5679         __declspec support.
5680         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
5681         support.
5682         * doc/tm.texi (TARGET_DECLSPEC): Document.
5683
5684         * doc/extend.texi: Fix typo in comment.
5685
5686 2004-08-04  Paul Brook  <paul@codesourcery.com>
5687
5688         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5689         (TARGET_CXX): Use it.
5690         * target.h (struct gcc_target): Add cdtor_returns_this.
5691         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
5692         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5693         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
5694
5695 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
5696
5697         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
5698         low/high pair. Do range checking directly.
5699         (interpret_integer): Adjust.
5700
5701 2004-08-04  Nick Clifton  <nickc@redhat.com>
5702
5703         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
5704         GCC ABI.
5705         * doc/invoke.texi: Document this new switch and also the -mrenesas
5706         switch.
5707
5708 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
5709
5710         * cfglayout.c (insn_locators_initialize): Update the current
5711         location before initializing a location.
5712
5713 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5714
5715         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
5716         (dbxout_function_end): Return after emitting the "Lscope" symbol
5717         under the same conditions that this function formerly wasn't called.
5718         Add explanatory comments.
5719
5720         PR 14860
5721         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
5722         on the new decl.
5723
5724         PR 13956
5725         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
5726         functions, broken out of dbxout_block.
5727         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
5728         stabs too, if it contains symbols.  Use the begin_label and
5729         the Lscope label (emitted by dbxout_function_end) for the
5730         range of this block.
5731
5732 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
5733
5734         * doc/install.texi: Update autoconf version requirements.
5735
5736 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5737
5738         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
5739         * recog.c (general_operand, immediate_operand, nonmemory_operand)
5740         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
5741         * regclass.c (record_reg_classes): Likewise.
5742         * reload.c (find_reloads): Likewise.
5743         * reload1.c (reload): Likewise.
5744
5745 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5746
5747         * gensupport.c (init_md_reader_args_cb): Renamed from
5748         init_md_reader_args.  Add third option, callback function for
5749         parsing program-specific options.  Add diagnosis of incorrect
5750         number of input files.
5751         (init_md_reader): Fold into init_md_reader_args_cb.
5752         (init_md_reader_args): Now a thin wrapper around
5753         init_md_reader_args_cb.
5754         * gensupport.h: Update prototypes.
5755
5756         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5757         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5758         * genrecog.c: No need to diagnose lack of an input file;
5759         init_md_reader_args will handle it.
5760         * genconditions.c: Likewise, and use init_md_reader_args.
5761         * genconstants.c: Likewise, and no need to call read_md_rtx.
5762
5763 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5764
5765         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
5766         declarations.
5767
5768 2004-08-03  Mike Stump  <mrs@apple.com>
5769
5770         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
5771         for frameworks.
5772         * doc/invoke.texi (Darwin Options): Update to reflect above.
5773
5774 2004-08-03  Roger Sayle  <roger@eyesopen.com>
5775
5776         PR middle-end/16790
5777         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
5778         truncations, not just global truncations.
5779
5780 2004-08-03  Andrew Pinski  <apinski@apple.com>
5781
5782         PR bootstrap/16865
5783         * loop-iv.c (simplify_using_assignment): Initialize lhs.
5784
5785 2004-08-03  Paul Brook  <paul@codesourcery.com>
5786
5787         * gcc/doc/install.texi: Document MPFR requirement.
5788
5789 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
5790
5791         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
5792         and mmap() explicitly instead of relying on preset autoconf cache
5793         variables.
5794         * configure: Regenerate.
5795
5796 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5797
5798         PR target/16570
5799         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
5800         to tmake_file.
5801         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
5802         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
5803         to tmake_file.
5804
5805         * config/i386/t-gmm_malloc: New file.
5806         * config/i386/t-pmm_malloc: Likewise.
5807
5808         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
5809
5810 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5811             Tanguy FautrÃ  <tfautre@pandora.be>
5812
5813         * config/i386/pmm_malloc.h: New file.
5814
5815 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
5816
5817         * config/i386/gmm_malloc.h: New file.
5818
5819 2004-08-03  Dale Johannesen  <dalej@apple.com>
5820
5821         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
5822         * c-common.c: Include opts.h.
5823         (c_common_get_alias_set): Fix check for a single input file.
5824         * toplev.c: Remove current_file_decl.
5825         * tree.h: Ditto.
5826
5827 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
5828
5829         * config.gcc (arm*-*-symbianelf*): New target.
5830         * config/arm/symbian.h: New file.
5831
5832         * gthr-gnat.c: Add visibility #pragmas.
5833         * gthr-gnat.h : Likewise.
5834         * gthr.h: Likewise.
5835         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
5836         (__ffsDI2): Likewise.
5837         (__clzSI2): Likewise.
5838         (__ctzSI2): Likewise.
5839         (__ctzDI2): Likewise.
5840         (__popcountSI2): Likewise.
5841         (__popcountDI2): Likewise.
5842         (__paritySI2): Likewise.
5843         (__parityDI2): Likewise.
5844         * libgcc2.h: Add visibility #pragmas.
5845         (__clzDI2): Add prototype.
5846         (__clzSI2): Likewise.
5847         (__ctzSI2): Likewise.
5848         (__ffsDI2): Likewise.
5849         (__ffsSI2): Likewise.
5850         (__ctzDI2): Likewise.
5851         (__popcountSI2): Likewise.
5852         (__popcountDI2): Likewise.
5853         (__paritySI2): Likewise.
5854         (__parityDI2): Likewise.
5855         * unwind-dw2-fde.h: Add visibility #pragmas.
5856         * unwind.h: Likewise.
5857
5858 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
5859             Dale Johannesen  <dalej@apple.com>
5860             Roger Sayle  <roger@eyesopen.com>
5861
5862         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
5863         constants more accurately.  Adjust costs for FMA instructions.
5864         Add cases for most logical and float operations.  Recurse into
5865         most operands.
5866
5867 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5868
5869         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
5870
5871 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
5872
5873         * ra-build.c (conflicts_between_webs): For webs that cross a call add
5874         conflicts to regs_invalidated_by_call.
5875
5876 2004-08-03  Paul Brook  <paul@codesourcery.com>
5877
5878         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
5879
5880 2004-08-03  Jan Hubicka  <jh@suse.cz>
5881
5882         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
5883         ARRAY_REF argument.
5884
5885 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5886
5887         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
5888         arm968es, arm10e, arm1020e, arm1022e.
5889         * invoke.texi: Update list of ARM cores.
5890         * arm-tune.md: Regenerate.
5891
5892 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
5893
5894         * arm/gentune.sh: New file.
5895         * arm/t-arm: New file.
5896         * arm/arm-tune.md: New file (autogenerated).
5897         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
5898         * arm.md (attribute tune): Delete.  Include arm-tune.md.
5899
5900 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
5901
5902         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
5903         penultimate parameter.  All callers adjusted.
5904         (struct prefix_list): Remove used_flag_ptr.
5905         (find_a_file): Do not set *pl->used_flag_ptr.
5906         (warn_B, warn_std_ptr): Remove.
5907
5908 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
5909             Mostafa Hagog <mustafa@il.ibm.com>
5910
5911         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
5912
5913 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
5914
5915         * dwarf2out.c (output_call_frame_info): Don't change data format
5916         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
5917         label.  Use 'true' not '1'.
5918         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
5919         required.
5920
5921 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
5922
5923         * gdbinit.in: Reflect previous changes to rtunion_def.
5924
5925 2004-08-02  Roger Sayle  <roger@eyesopen.com>
5926
5927         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
5928         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
5929
5930 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5931
5932         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
5933         vec_p_reserve.
5934         * langhooks.h (lang_hooks::builtin_function): Rename parameter
5935         from "class" to "bt_class".
5936
5937 2004-08-02  Paul Brook  <paul@codesourcery.com>
5938
5939         PR rtl-optimization/15068
5940         * flow.c (init_propagate_block_info): Check condition is reversible.
5941
5942 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5943
5944         * gengtype.h (options::info): Change type to const char *.
5945         (enum gc_used_enum): Move out of struct type scope.
5946         * gengtype.c (create_option): Convert initializer for option::info to
5947         appropiate type.
5948         (adjust_field_type, walk_type, write_func_for_structure,
5949         write_root, write_roots): Remove pointless cast.
5950
5951 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
5952
5953         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
5954
5955 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5956
5957         * rtl.h (union rtunion_def): Have all members  start with the
5958         prefix "rt_".
5959         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
5960         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
5961         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
5962         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
5963         access.
5964         * gengtype.c (adjust_field_rtx_def): Likewise.
5965         * rtlanal.c (loc_mentioned_in_p): Likewise.
5966
5967 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
5968
5969         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
5970         Replace uses of mips/elf64.h with mips/elf.h
5971         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
5972         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
5973         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
5974         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
5975         (HANDLE_SYSV_PRAGMA): Delete.
5976         (ASM_OUTPUT_DEF): Fix formatting.
5977         * config/mips/elf64.h: Delete.
5978
5979 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
5980
5981         * config/ia64/ia64.c (got_symbolic_operand): Do require a
5982         symbol+offset operand to have its offset be zero mod 0x3fff
5983         when GOT entries are in use.  Clarify logic in SYMBOL_REF
5984         case.  Clarify comments.
5985         (ia64_expand_load_address): Split a symbol+offset load when
5986         the offset is nonzero mod 0x3fff, not 0x1fff.
5987
5988 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
5989
5990         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
5991         if trying to *store* to a non-offsettable address.
5992         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
5993         a nonoffsettable address.
5994         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
5995         Clean up.
5996         (movti_string): Don't move GPRs to a nonoffsettable address.
5997         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
5998
5999 2004-08-02  Ben Elliston  <bje@au.ibm.com>
6000
6001         PR target/16155
6002         * config/rs6000/altivec.h: Replace typeof with __typeof__.
6003
6004 2004-08-01  Richard Henderson  <rth@redhat.com>
6005
6006         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
6007         variable sized types.
6008
6009 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6010
6011         * doc/invoke.texi: In the MIPS options section, remove the passage
6012         saying that -mexplicit-relocs is usually disabled for -mabicalls
6013         -fno-unit-at-a-time.
6014         * config/mips/mips.c (override_options): Remove the code that enforced
6015         this rule.
6016
6017 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6018
6019         * config/mips/mips.md (cprestore): Provide two alternatives, one for
6020         an in-range offset and one for an out-of-range offset.  Wrap the latter
6021         in .set macro/.set nomacro if it's inside a .set nomacro block.
6022
6023 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6024
6025         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
6026         (mips_restore_gp): Declare.
6027         * config/mips/mips.c (mips_add_offset): Add a scratch register
6028         argument.  Reimplement in rtl only, reusing MIPS16 logic from
6029         mips_output_mi_thunk.
6030         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
6031         to mips_add_offset.
6032         (mips_gp_save_slot): Delete.
6033         (mips_restore_gp): New function.
6034         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
6035         * config/mips/mips.md (exception_receiver): Turn into a
6036         define_insn_and_split.  Use mips_restore_gp to do the split.
6037         (call_internal, call_value_internal, call_value_multiple_internal): Use
6038         mips_restore_gp to restore $gp.
6039
6040 2004-07-31  Andrew Pinski  <apinski@apple.com>
6041
6042         PR other/16842
6043         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
6044
6045 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6046
6047         * c-decl.c (diagnose_mismatched_decls): Give error for external
6048         redeclaration of identifier declared with no linkage, not just
6049         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
6050         error for redeclaration with no linkage.
6051
6052 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
6053             Fariborz Jahanian <fjahanian@apple.com>
6054
6055         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
6056         non-offsettable addresses even for DImode.
6057         (rs6000_split_multireg_move): Cope with non-offsettable addresses
6058         being moved into multiple GPRs.
6059
6060         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
6061         to 64.
6062         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
6063         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
6064         to 128.
6065         * config/rs6000/darwin-ldouble.c (isless): New macro.
6066         (inf): New macro.
6067         (nonfinite): New macro.
6068         (FPKINF): Delete.
6069         (_xlqadd): Completely rewrite.
6070         (_xlqmul): Correct overflow handling.
6071         (_xlqdiv): Correct overflow handling.
6072         * config/rs6000/darwin-ldouble-format: New file.
6073
6074 2004-07-30  Roger Sayle  <roger@eyesopen.com>
6075             Richard Henderson  <rth@redhat.com>
6076
6077         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
6078         9 into the equivalent lea instruction.
6079
6080 2004-07-30  Richard Henderson  <rth@redhat.com>
6081
6082         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
6083         with DECL_INITIAL if fb_lvalue.
6084         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
6085         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
6086         with <Cxxx>.
6087         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
6088
6089 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6090
6091         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
6092         pointer escapes through a function call, assume that the
6093         callee will dereference it.
6094         (add_pointed_to_var): Assume that VALUE is always an
6095         ADDR_EXPR.
6096         (collect_points_to_info_r): Only call add_pointed_to_var if
6097         the value is an ADDR_EXPR.
6098
6099 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6100
6101         * tree-ssa-alias.c (create_alias_map_for): Do not get the
6102         alias set of the inner type of ARRAY_TYPEs.
6103
6104 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6105
6106         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
6107         setting a non-register to UNDEFINED right before the call to
6108         set_lattice_value.
6109
6110 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6111
6112         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
6113
6114 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6115
6116         * tree-ssa.c (verify_flow_sensitive_alias_info): When
6117         comparing points-to sets of different pointers, make sure the
6118         second pointer is actually referenced in the code.
6119
6120 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
6121
6122         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
6123         (got_symbolic_operand): Remove unreachable code.
6124         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
6125         setjmp_operand; add entry for tls_symbolic_operand.
6126         * config/ia64/ia64-protos.h: Remove all prototypes of
6127         predicate functions.
6128
6129 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
6130
6131         * c-common.h (lang_post_pch_load): New variable.
6132         * c-pch.c (lang_post_pch_load): Define it.
6133         (c_common_read_pch): Use it.
6134         * cgraphunit.c (record_call_1): Give the front end a chance to
6135         record additional needed entities when a variable is marked as
6136         needed.
6137         * tlink.c (recompile_files): Robustify.
6138         (scan_linker_output): If a symbol is assigned to a file,
6139         but after recompilation is not present there, issue an error
6140         message.
6141
6142 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6143
6144         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
6145         Take orig_loop argument and pass it to set_level.
6146         (schedule_sm): Pass the correct orig_loop to force_move_till.
6147
6148 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6149
6150         * cfgloop.c (update_latch_info): Update dominator of the new block.
6151         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
6152         info.
6153         * dominance.c (verify_dominators): Check that the dominance tree is
6154         connected.
6155         (recount_dominator): Ignore unreachable blocks.
6156         (iterate_fix_dominators): Cleanup old dominance information before
6157         recomputing it.
6158
6159 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6160
6161         * tree-ssa-operands.c (get_expr_operands): Revert changes
6162         to ADDR_EXPR processing introduced by:
6163             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6164             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
6165
6166 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
6167
6168         * doc/implement-c.texi: Add C90 subclause references.  Point to
6169         preprocessor documentation instead of duplicating it.  Add points
6170         only present in C90.  Fill in documentation for all points.
6171
6172 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6173
6174         * pa.c (output_movb): Correct typo.
6175
6176 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
6177
6178         * ra.h (single_reg_in_regclass): Declare.
6179         * ra.c (single_reg_in_regclass): Define.
6180         (first_hard_reg): New.
6181         (init_ra): Initialize single_reg_in_regclass.
6182         * ra-colorize.c (ok_class): New.
6183         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
6184
6185 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
6186
6187         * gcov-io.h: Allow zero tag as EOF indicator.
6188         (gcov_is_eof): Remove.
6189         (gcov_truncate): Remove.
6190         * gcov-io.c (gcov_seek): Always SEEK_SET.
6191         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
6192         EOF tag.
6193         * coverage.c (read_counts_file): Don't use gcov_is_eof.
6194         * gcov-dump.c (dump_file): Likewise.
6195         * gcov.c (read_graph_file, read_count_file): Likewise.
6196
6197         * c-decl.c (complete_array_type): Don't gratuitously copy
6198         maxindex.  Check it always has a type.
6199
6200 2004-07-29  Steven Bosscher  <stevenb@suse.de>
6201
6202         * rtl.c (currently_expanding_to_rtl): New.
6203         * rtl.h (currently_expanding_to_rtl): Export it.
6204         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
6205
6206         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
6207         inliner hack.
6208         * config/sh/sh.c: Replace rtx_equal_function_value_matters
6209         with currently_expanding_to_rtl.
6210         * config/sh/sh.md: Likewise.
6211         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
6212
6213 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6214
6215         Introduce sh2a support.
6216         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6217         * config.gcc: Build multilibs for sh2a and sh2a-single by
6218         default.
6219         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
6220         default.  Split their tests out of the corresponding SH4
6221         multilibs.
6222         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
6223         multilibs for SH2a.
6224         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6225         * config.gcc: Handle sh2a multilibs and cpu selection.
6226         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
6227         * config/sh/t-mlib-sh2a: New.
6228         * config/sh/t-mlib-sh2a-nofpu: New.
6229         * config/sh/t-mlib-sh2a-single: New.
6230         * config/sh/t-mlib-sh2a-single-only: New.
6231         2004-07-09  Nick Clifton  <nickc@redhat.com>
6232         Issue 43400
6233         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
6234         -ml and -m2a are used together.
6235         2004-03-23  DJ Delorie  <dj@redhat.com>
6236         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
6237         when we have a double-sized FPU.
6238         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6239         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
6240         is set.
6241         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
6242         -msh2a-single and -msh2a-single-only
6243         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6244         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
6245         is set.
6246         2004-02-20  DJ Delorie  <dj@delorie.com>
6247         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
6248         2004-02-20  Fred Fish <fnf@redhat.com>,
6249         Corinna Vinschen <vinschen@redhat.com>
6250         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
6251         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
6252         2004-02-18  DJ Delorie  <dj@redhat.com>
6253         * config/sh/sh.c (broken_move): Add support for movi20.
6254         * config/sh/sh.h: Likewise.
6255         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
6256         * config/sh/sh.md (udivsi3_sh2a): New.
6257         (udivsi3): Call it.
6258         (divsi3_sh2a): New.
6259         (divsi3): Call it.
6260         (mul_r): New.
6261         (ashlsi3_sh2a): New.
6262         (ashrsi3_sh2a): New.
6263         (lshrsi3_sh2a): New.
6264         (movsi_i): Disable for sh2a.
6265         (movsi_ie): Add movi20.
6266         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
6267         sh2a, for -m2a-nofpu mode.
6268         2004-02-13  DJ Delorie  <dj@redhat.com>
6269         * config/sh/lib1funcs.asm: Handle double vs single better.
6270         * config/sh/sh.h: Likewise.
6271         2004-02-09  DJ Delorie  <dj@redhat.com>
6272         * config/sh/crt1.asm: Add support for sh2a.
6273         * config/sh/elf.h: Likewise.
6274         * config/sh/lib1funcs.asm: Likewise.
6275         * config/sh/sh.c: Likewise.
6276         * config/sh/sh.md: Likewise.
6277         * config/sh/sh.h: Likewise.
6278         * config/sh/t-sh: Likewise.
6279
6280 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6281
6282         * config/frv/frv.md (movqi_internal, movhi_internal,
6283         movsi_internal): Add backup alternatives for memory inputs.
6284
6285 2004-07-28  Matt Austern  <austern@apple.com>
6286
6287         * config/darwin.c (darwin_one_byte_bool): New global variable.
6288         * config/darwin.h (darwin_one_byte_bool): Declare.
6289         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
6290         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
6291         value of darwin_one_byte_bool.
6292         * doc/invoke.texi: Document -mone-byte-bool flag.
6293
6294 2004-07-28  Eric Christopher  <echristo@redhat.com>
6295
6296         * c-common.c (c_common_unsafe_for_reeval): Delete.
6297         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
6298         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6299         * calls.c (fix_unsafe_tree): Delete.
6300         (expand_call): Delete code which used above.
6301         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
6302         * expr.c (expand_expr_real_1): Ditto.
6303         * fold-const.c (non_lvalue): Ditto.
6304         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6305         (lhd_unsafe_for_reeval): Ditto.
6306         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
6307         * langhooks.h (unsafe_for_reeval): Ditto.
6308         (unsave_expr_now): Adjust comment.
6309         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
6310         (estimate_num_insns_1): Ditto.
6311         * tree-pretty-print.c (dump_generic_node): Ditto.
6312         * tree.c (expr_align): Ditto.
6313         (unsave_expr): Delete.
6314         (unsafe_for_reeval): Ditto.
6315         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
6316         * tree.def (UNSAVE_EXPR): Delete.
6317         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6318
6319 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
6320
6321         * tree.h (enum tls_model): Move ...
6322         * coretypes.h: ... here.
6323
6324 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
6325
6326         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
6327
6328 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6329
6330         * cse.c (validate_canon_reg): New function, split out from...
6331         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
6332
6333 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6334
6335         * tree-ssa-alias.c (maybe_create_global_var): Don't just
6336         return if .GLOBAL_VAR has been created.
6337
6338 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6339
6340         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
6341         every variable that may have aliases, not just tags.
6342
6343 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
6344
6345         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
6346         move_from_CR_eq_bit.
6347         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
6348
6349
6350         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
6351         e500_flip_eq_bit.
6352
6353         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
6354         output_e500_flip_eq_bit.
6355
6356         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
6357         output_e500_flip_eq_bit.
6358         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
6359         output_e500_flip_eq_bit.
6360         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
6361         (print_operand): case D.  Get to EQ bit.
6362
6363 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6364
6365         * gcov.c (function_summary): Add missing \n.
6366
6367 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6368
6369         Introduce sh4a support.
6370         * config.gcc: Handle sh4a multilibs and cpu selection.
6371         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
6372         * config/sh/t-mlib-sh4a: New.
6373         * config/sh/t-mlib-sh4al: New.
6374         * config/sh/t-mlib-sh4a-nofpu: New.
6375         * config/sh/t-mlib-sh4a-single: New.
6376         * config/sh/t-mlib-sh4a-single-only: New.
6377         2004-02-20  DJ Delorie  <dj@redhat.com>
6378         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
6379         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
6380         2003-08-22  Eric Christopher  <echristo@redhat.com>
6381         * config/sh/sh4a.md: Update for chip errata.
6382         2003-08-07  Eric Christopher  <echristo@redhat.com>
6383         * config/sh/sh4a.md: New file. sh4a processor description.
6384         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
6385         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
6386         of -m4a-nofpu.
6387         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
6388         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
6389         * doc/invoke.texi (SH Options): Document -m4al.
6390         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
6391         * config/sh/sh.c (expand_block_move): Remove commented-out code
6392         checked in by mistake.
6393         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
6394         single elements from SFmode vectors.
6395         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
6396         register.
6397         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
6398         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
6399         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
6400         sh_fsca_int2sf): Remove variable declarations.
6401         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6402         sh_fsca_int2sf): New functions.
6403         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
6404         sh_fsca_int2sf_rtx): New static variables.
6405         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
6406         sh_fsca_int2sf): Declare.
6407         * config/sh/sh.md: Adjust.
6408         * doc/invoke.texi (SH Options): Document new options.
6409         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
6410         compatibility from SH4 code.
6411         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
6412         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
6413         early.
6414         (memory_movsrc_operand): Renamed to...
6415         (unaligned_load_operand): ... this.  Simplified.
6416         * config/sh/sh.h (PREDICATE_CODES): Adjust.
6417         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
6418         input operand to SImode, and adjust the others.  Introduce
6419         post-increment by peephole.
6420         * config/sh/sh.c (expand_block_move): Give the target address the
6421         same mode as the temp reg.
6422         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
6423         copying.
6424         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
6425         Introduce support for SH4a.
6426         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
6427         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
6428         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6429         sh_fsca_int2sf): New.
6430         (sh_init_builtins): Initialize them.
6431         (print_operand): Support `d'.
6432         (expand_block_move): Use movua if src is misaligned.
6433         (memory_movsrc_operand): New.
6434         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
6435         and one of the SH4 macros.
6436         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
6437         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
6438         SELECT_SH4A_SINGLE): New.
6439         (TARGET_NONE): Add SH4A_BIT.
6440         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
6441         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
6442         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
6443         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
6444         (enum processor_type): Added PROCESSOR_SH4A.
6445         (PREDICATE_CODES): Add memory_movsrc_operand.
6446         * config/sh/sh.md: Removed unused variables.
6447         (attr cpu): Add sh4a.
6448         (attr type): Add movua, fsrra and fsca.
6449         (prefetch): New, for SH4.
6450         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
6451         (toggle_sz): Set type to fp.
6452         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
6453         (movua, extv, extzv): New.
6454         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
6455         and 4a-single-only.
6456
6457 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6458
6459         * tree-optimize.c (init_tree_optimization_passes): Schedule
6460         pass_may_alias right after the program is renamed into SSA.
6461         * tree-pass.h (PROP_alias): Define.
6462         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
6463         * tree-sra.c (pass_sra): Likewise.
6464         * tree-ssa-ccp.c (pass_ccp): Likewise.
6465         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
6466         * tree-ssa-dce.c (pass_dce): Likewise.
6467         * tree-ssa-dom.c (pass_dominator): Likewise.
6468         * tree-ssa-dse.c (pass_dse): Likewise.
6469         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6470         * tree-ssa-loop-ch.c (pass_ch): Likewise.
6471         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6472         * tree-ssa-pre.c (pass_pre): Likewise.
6473         * tree-tailcall.c (pass_tail_recursion): Likewise.
6474         * tree-ssa.c (pass_redundant_phi): Likewise.
6475         * tree-ssa-alias.c (aliases_computed_p): Remove.
6476         Update all users.
6477         (init_alias_info): Do not mark all type tags for renaming
6478         unconditionally.
6479         Clear may_aliases from every symbol.
6480         (setup_pointers_and_addressables): If a pointer has not been
6481         dereferenced and it had a type tag, clear it and mark the old
6482         tag for renaming.
6483
6484 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6485
6486         PR tree-optimization/16705
6487         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
6488         .GLOBAL_VAR.
6489
6490 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6491
6492         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
6493         check.
6494
6495         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
6496         don't make another one.
6497
6498         PR optimization/15077
6499         * function.h (struct function): Add field saved_static_chain_decl.
6500         Fix comment for static_chain_decl.
6501         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
6502         * tree-inline.h (save_body): Add new arg.
6503         * tree-optimize.c (tree_rest_of_compilation): Handle saving
6504         static_chain_decl.
6505
6506 2004-07-27  Richard Henderson  <rth@redhat.com>
6507
6508         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
6509         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
6510         is_gimple_addressable.
6511         * tree-gimple.c (is_gimple_addressable): Rename from
6512         is_gimple_addr_expr_arg; accept INDIRECT_REF.
6513         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
6514         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
6515         rename to is_gimple_addressable.
6516
6517 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
6518
6519         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
6520
6521 2004-07-27  Richard Henderson  <rth@redhat.com>
6522
6523         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
6524         before rounding.
6525
6526 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
6527
6528         * libgcc2.c: Change all conditionals testing
6529         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
6530         * libgcc2.h: Likewise.
6531         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
6532         TYPE_PRECISION of float80_type to 80.
6533         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
6534         of fpreg_type and float80_type to 80.
6535         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
6536         * config/m68k/netbsd-elf.h:
6537         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
6538         to evaluate to 80 whenever they would formerly have evaluated to 96.
6539         * config/i386/sco5.h: Remove unnecessary redefinition of
6540         LONG_DOUBLE_TYPE_SIZE.
6541         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
6542         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
6543         XFmode, with a bitsize of 80.  Update commentary.
6544         * config/ia64/ia64-modes.def: Likewise.
6545         * config/m68k/m68k-modes.def: Likewise.
6546
6547 2004-07-27  Steven Bosscher  <stevenb@suse.de>
6548
6549         * cfgexpand.c (tree_expand_cfg): Fix comment.
6550
6551         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
6552         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
6553         Remove.
6554         (prepare_function_start): Don't set rtx_equal_function_value_matters.
6555         * integrate.c (copy_rtx_and_substitute): Don't test for it.
6556         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
6557         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
6558         here again.  Update leading comment.
6559         * rtl.c (rtx_equal_function_value_matters): Remove.
6560         (rtx_equal_p): Don't test for it.
6561         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
6562         Likewise.
6563
6564         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
6565         * rtl.c (note_insn_name): Likewise.
6566         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
6567         * final.c (final_scan_insn): Likewise.
6568
6569         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
6570         * passes.c (rest_of_handle_eh): Do it here.
6571
6572         * stmt.c (struct nesting): Remove struct nesting block member.
6573         (struct stmt_status): Remove x_block_start_count field.
6574         (current_block_start_count): Remove.
6575
6576 2004-07-27  Brian Booth  <bbooth@redhat.com>
6577
6578         * tree-optimize.c (register_one_dump_file): Update condition that uses
6579         static_pass_number.
6580         (dup_pass_1): Replace with...
6581         (next_pass_1): This.
6582         (NEXT_PASS): Call next_pass_1.
6583         (DUP_PASS): Remove.
6584         (init_tree_optimization_passes): Remove uses of DUP_PASS.
6585         (execute_one_pass): Update condition that uses
6586         static_pass_number.
6587         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
6588         integer.
6589
6590 2004-07-27  Nick Clifton  <nickc@redhat.com>
6591
6592         * config/m32r/m32r.c: Include integrate.h in order to get the
6593         prototype for get_hard_reg_initial_val().
6594
6595         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
6596         and tidy up indentation.
6597         (final_presence_set): Use absence_set instead, so that if there is
6598         nothing in the "o" pipe the "s" pipe can be scheduled.
6599
6600 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
6601
6602         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
6603         don't have PT_VARS nor PT_MALLOC set.
6604         Clear name tag from pointers that have not been dereferenced.
6605         (set_pt_anything, set_pt_malloc): Forward declare.
6606         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
6607         not type compatibility when determining if a pointer can be
6608         copy propagated.
6609
6610 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
6611
6612         * expr.h (canonicalize_condition, get_condition): Add an int argument.
6613         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
6614         it to check whether the condition is still valid at the jump insn.
6615         * ifcvt.c (noce_get_condition): Likewise.
6616         (noce_get_alt_condition): Update call to canonicalize_condition.
6617         * loop-iv.c (simplify_using_initial_values): Update call to
6618         get_condition.  Remove FIXME.
6619         (check_simple_exit): Update call to get_condition.
6620         * loop-unswitch.c (may_unswitch_on): Likewise.
6621         * loop.c (check_dbra_loop): Likewise.
6622         (canonicalize_condition, get_condition): Add an argument to say whether
6623         the condition must still be valid at INSN.
6624         (get_condition_for_loop): Update call to get_condition.  Require that
6625         the condition be valid at INSN.
6626         * predict.c (estimate_probability): Update call to get_condition.
6627         Remove unused earliest parameter.
6628         (expected_value_to_br_prob): Update call to canonicalize_condition.
6629
6630 2004-07-26  Eric Christopher  <echristo@redhat.com>
6631
6632         * tree-dfa.c (add_referenced_var): Register initializers of global
6633         variables.
6634
6635 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
6636
6637         * config/i386/i386.c (function_arg): Always treat 8-
6638         and 16-byte wide vectors the same, even if MMX/SSE
6639         are disabled.
6640         (contains_128bit_aligned_vector_p): Add comment.
6641
6642 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
6643
6644         * ra.h (enum node_type): Rename to:
6645         (enum ra_node_type).
6646         * ra-colorize.c: Likewise.
6647
6648 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6649
6650         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
6651         after simplifying the jump.
6652
6653 2004-06-26  Richard Henderson  <rth@redhat.com>
6654
6655         * calls.c (combine_pending_stack_adjustment_and_call): Make
6656         preferred_unit_stack_boundary argument unsigned.  Make
6657         unadjusted_alignment unsigned.
6658         (expand_call): Make preferred_stack_boundary and
6659         preferred_unit_stack_boundary variables unsigned.
6660         * function.c (assign_stack_local_1): Make alignment unsigned.
6661         * function.h (struct function): Make stack_alignment_needed,
6662         preferred_stack_boundary unsigned.
6663         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
6664         (ix86_compute_frame_layout): Make stack_alignment_needed,
6665         preferred_alignment variables unsigned.
6666         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
6667
6668 2004-07-26  Tom Tromey  <tromey@redhat.com>
6669
6670         * tree.h: Fix typo in comment.
6671
6672 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
6673
6674         PR bootstrap/12804
6675         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
6676         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
6677         (ggc_free): Remove incorrect freeing.
6678         (sweep_pages): Advance PP for large pages.  Fix indentation.
6679
6680 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6681
6682         PR rtl-optimization/16643
6683         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
6684         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
6685         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
6686         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
6687         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
6688         * function.c (thread_prologue_and_epilogue_insns): Likewise.
6689         * rtl.h (tracer): Add a flags parameter.
6690         * tracer.c (tracer): Pass it to cfg_layout_initialise.
6691         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
6692         (rest_of_handle_reorder_blocks): Update calls to tracer and
6693         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
6694         (rest_of_handle_tracer): Pass 0 to tracer.
6695         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
6696
6697 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
6698
6699         PR target/16239
6700         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
6701         f->f.
6702
6703 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
6704
6705         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
6706         (BINFO_BASE_ACCESS): Adjust.
6707         (BINFO_BASE_ACCESS_APPEND): New.
6708         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
6709         * dbxout.c (dbxout_type): Adjust binfo access accessing.
6710         * dwarf2out.c (gen_member_die): Likewise.
6711         * tree-dump.c (deque_and_dump): Likewise.
6712
6713 2004-07-26  Falk Hueffner  <falk@debian.org>
6714
6715         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
6716         costs.
6717
6718 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6719
6720         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
6721         value off of the stack if TARGET_USE_FFREEP.
6722
6723 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6724
6725         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
6726         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
6727         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
6728         check on invocation of XRESIZEVEC ().
6729
6730 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6731
6732         * c-common.c (disable_builtin_function): Rename variable n to
6733         new_disabled_builtin.
6734         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
6735         Rename local variable old to old_decl.
6736         * gensupport.c (shift_output_template): Rename parameter old to src.
6737         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
6738         old_rtx and newx to new_rtx.
6739
6740 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6741
6742         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
6743         of c-pragma.h.
6744         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
6745         enum cpp_ttype.
6746         * c-lex.c: Likewise.
6747
6748 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6749
6750         * fold-const.c (constant_boolean_node): Make extern.
6751         (make_range): Wrap long lines.
6752         (fold_cond_expr_with_comparison): Remove unnecessary call to
6753         pedantic_non_lvalue.  Add missing calls to fold_convert.
6754         (fold_truthop): Add missing calls to fold_convert.
6755         (fold): Likewise.
6756         * tree.h (constant_boolean_node): Add prototype here.
6757         * builtins.c (expand_builtin_strncmp): Add missing calls to
6758         fold_convert.
6759         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
6760         Call fold_convert and constant_boolean_node to correct types.
6761         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
6762         missing call to fold_convert to correct types.
6763
6764 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
6765             Brian Ryner  <bryner@brianryner.com>
6766
6767         PR c++/9283
6768         PR c++/15000
6769         * c-common.c (c_common_attribute_table): Allow
6770         handle_visibility_attribute to be called for types.
6771         (handle_visibility_attribute) When given a type, set the visibility
6772         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
6773         so that we can check later whether the attribute was present. Added
6774         warning if attribute applied to non class type.
6775         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
6776         decls and checking that they are consistent.
6777         * common.opt: Added -fvisibility.
6778         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
6779         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
6780         * flags.h, tree.h: Added assorted support defines for overall patch
6781         * opts.c: Added parsing support for -fvisibility.
6782         * tree.c (build_decl): Set visibility for all decls to be whatever
6783         is in force at that time.
6784         * varasm.c (default_binds_local_p_1): Reworked logic determining
6785         when to make a symbol locally bound.
6786         * doc/invoke.texi: Added documentation for -fvisibility and
6787         -fvisibility-inlines-hidden.
6788
6789 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6790
6791         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
6792         * c-common.c: Add missing casts from void * to other types.
6793         * c-decl.c: Likewise.
6794         * c-format.c: Likewise.
6795         * c-lex.c: Likewise.
6796         * c-pragma.c: Likewise.
6797         * c-typeck.c: Likewise.
6798         * defaults.h: Likewise.
6799         * genconstants.c: Likewise.
6800         * gengtype-lex.l: Likewise.
6801         * genmodes.c: Likewise.
6802         * read-rtl.c: Likewise.
6803         * rtl.c: Likewise.
6804
6805 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6806
6807         * bitmap.c: Use type-safe memory allocation macros from libiberty.
6808         * c-common.c: Likewise.
6809         * c-decl.c: Likewise.
6810         * c-lang.c: Likewise.
6811         * c-lex.c: Likewise.
6812         * c-opts.c: Likewise.
6813         * c-parse.in: Likewise.
6814         * c-typeck.c: Likewise.
6815         * genconditions.c: Likewise.
6816         * gengtype-lex.l: Likewise.
6817         * gengtype-yacc.y: Likewise.
6818         * gengtype.c: Likewise.
6819         * genmodes.c: Likewise.
6820         * gensupport.c: Likewise.
6821         * read-rtl.c: Likewise.
6822         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
6823         htab_find_slot().
6824
6825 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6826
6827         * c-decl.c (groktypename, groktypename_in_param_context): Rename
6828         variable typename to type_name.
6829         * c-lex.c (interpret_float): Likewise.
6830
6831 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6832
6833         * convert.c (convert_to_real, convert_to_integer,
6834         convert_to_complex): Replace calls to build with calls to buildN.
6835         * coverage.c (tree_coverage_counter_ref): Likewise.
6836         * dojump.c (do_jump): Likewise.
6837         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6838         * emit-rtl.c (component_ref_for_mem_expr,
6839         set_mem_attributes_minus_bitpos): Likewise.
6840         * explow.c (update_nonlocal_goto_save_area): Likewise.
6841         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
6842         expand_mult_add): Likewise.
6843         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
6844         store_constructor, get_inner_reference, expand_expr_real_1,
6845         try_casesi, try_tablejump): Likewise.
6846         * function.c (expand_function_start): Likewise.
6847         * stmt.c (emit_case_bit_tests, expand_end_case_type,
6848         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
6849         * stor-layout.c (place_union_field, layout_type): Likewise.
6850         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
6851         * varasm.c (copy_constant): Likewise.
6852
6853 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6854
6855         * c-common.c: Rename all identifiers named `new'.
6856         * c-decl.c: Likewise.
6857         * gensupport.c: Likewise.
6858         * simplify-rtx.c: Likewise.
6859         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
6860         with XNEW().
6861         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
6862         with XNEWVEC().
6863
6864 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6865
6866         PR c/15360
6867         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
6868         declarations until after calling pushdecl.
6869         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
6870         "extern" and not on whether the declaration is initialized.
6871
6872 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6873
6874         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6875         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
6876         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
6877         "cpplib.h", "c-pragma.h", "c-common.h".
6878         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
6879         (solaris_register_pragmas): New functions.
6880         * config/sol2-protos.h: New file.
6881         * config/sol2.c: New file.
6882         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
6883         (REGISTER_TARGET_PRAGMAS): New macros.
6884         (solaris_pending_aligns, solaris_pending_inits)
6885         (solaris_pending_finis): New variables.
6886         * config/t-sol2 (sol2-c.o): Update dependencies.
6887         (sol2.o): New rule.
6888         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
6889         SUBTARGET_INSERT_ATTRIBUTES.
6890         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
6891         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6892         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6893         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6894         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6895         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6896         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6897         * config/sparc/sparc.c (sparc_attribute_table): New.
6898         (TARGET_INSERT_ATTRIBUTES): Define in terms of
6899         SUBTARGET_INSERT_ATTRIBUTES.
6900         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
6901         is defined.
6902         * doc/extend.texi (Solaris Pragmas): New section.
6903
6904 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6905
6906         * c-common.c: Rename all identifiers named `class' to `cl'.
6907         * c-common.h: Likewise.
6908         * c-parse.in: Likewise.
6909         * c-typeck.c: Likewise.
6910         * genmodes.c: Likewise.
6911         * real.c: Likewise.
6912         * real.h: Likewise.
6913         * recog.c: Likewise.
6914         * recog.h: Likewise.
6915         * regrename.c: Likewise.
6916         * tree.h: Likewise.
6917         * c-common.c (builtin_function_2): Change type of 5th parameter from
6918         int to enum built_in_function. Change type of 8th parameter from int
6919         to bool.
6920         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
6921         with GGC_CNEW().
6922         * c-typeck.c (convert_arguments): Change type of formal_prec from
6923         int to unsigned int.
6924         * genmodes.c (blank_mode): Make a few negative constants unsigned.
6925         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
6926         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
6927         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
6928         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
6929         iterator to for_all_modes () instead of an enum because enums can't
6930         be incremented in C++.
6931
6932
6933 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6934
6935         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
6936         hard registers.
6937
6938 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6939
6940         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
6941         Handle ARRAY_RANGE_REF like ARRAY_REF.
6942
6943 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6944
6945         * c-typeck.c (digest_init): Don't allow arrays of signed or
6946         unsigned variants of wchar_t to be initialized by wide string
6947         constants.  Do allow arrays of enumerated types compatible with
6948         wchar_t to be initialized by wide string constants.  Refine tests
6949         distinguishing wide and narrow strings and arrays.  Give specific
6950         error for arrays of other integer types initialized by string
6951         constants.
6952         (output_init_element, process_init_element): Check for
6953         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
6954         initializing with string constants.
6955
6956 2004-07-25  Richard Henderson  <rth@redhat.com>
6957
6958         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
6959         on the RESULT_DECL.
6960         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
6961         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
6962         DECL_IGNORED_P to new decl.
6963
6964 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
6965
6966         * config/ia64/ia64.c (general_xfmode_operand)
6967         (destination_xfmode_operand): Delete.
6968         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
6969         * config/ia64/ia64.md (*movxf_internal): Use general_operand
6970         and destination_operand.
6971
6972 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6973
6974         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
6975         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
6976
6977 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6978             Zack Weinberg  <zack@codesourcery.com
6979
6980         PR 16684
6981         * c-decl.c (diagnose_mismatched_decls): Don't issue a
6982         redundant-declaration warning the first time a builtin is
6983         declared explicitly.
6984
6985 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6986
6987         * tree.h (staticp): Change return type to bool.
6988
6989 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6990
6991         * c-common.c (c_staticp): Last episode of the staticp saga.
6992
6993 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6994
6995         * c-common.h (c_staticp): Change return type from int to bool.
6996         * tree.c (staticp): Likewise.
6997         * langhooks.h (staticp): Likewise.
6998
6999 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7000
7001         * langhooks-def.h (lhd_staticp): Change return type from int to
7002         bool in prototype to match definition.
7003
7004 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7005
7006         * system.h (bool, true, false): Don't redefine as preprocessor macros
7007         in C++.
7008
7009 2004-07-24  Roger Sayle  <roger@eyesopen.com>
7010
7011         * expmed.c (init_expmed): A signed modulus by a power of two is
7012         considered cheap if its less than or equal to four instructions.
7013
7014 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7015
7016         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
7017         GGC_CNEWVAR): New macros.
7018
7019 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7020
7021         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
7022         lists.
7023         * c-decl.c: Likewise.
7024         * c-format.c: Likewise.
7025         * c-lex.c: Likewise.
7026         * c-opts.c: Likewise.
7027         * c-pragma.c: Likewise.
7028         * c-typeck.c: Likewise.
7029         * gencheck.c: Likewise.
7030         * genconditions.c: Likewise.
7031         * genconfig.c: Likewise.
7032         * genflags.c: Likewise.
7033         * gengtype.c: Likewise.
7034         * gensupport.c: Likewise.
7035         * ggc-none.c: Likewise.
7036         * langhooks.c: Likewise.
7037         * statistics.h: Likewise.
7038         * stub-objc.c: Likewise.
7039         * java/decl.c: Likewise.
7040
7041 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
7042
7043         * config/m68k/m68k.c (output_scc_di): Fix coding style.
7044         (symbolic_operand): Fix prototype.
7045         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
7046         * config/m68k/m68k.md: Add constants for registers a0 and sp and
7047         use them, change from the "{...}" syntax to the simpler {...}
7048         syntax.
7049         (*cfv4_extendqisi2): Fix destination predicate.
7050         * config/m68k/m68k-protos.h: Remove various declarations also
7051         generated via PREDICATE_CODES.
7052
7053 2004-07-23  Mike Stump  <mrs@apple.com>
7054
7055         * c-typeck.c (convert_for_assignment): Tightened up pointer
7056         converstions that differ in signedness.
7057
7058 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7059
7060         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
7061
7062 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7063
7064         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
7065         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
7066
7067         * gimplify.c (gimplify_compound_lval): Check for no handled
7068         operations, rather than checking for explicit list of nodes.
7069         (is_gimple_addr_expr_arg_or_indirect): New function.
7070         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
7071         redundant setting of TREE_INVARIANT.
7072         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
7073         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
7074
7075 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
7076
7077         PR tree-optimization/16688
7078         PR tree-optimization/16689
7079         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
7080         unnecessary initialization of 'tag'.
7081         (get_tmt_for): Check that the new type tag has the same alias
7082         set as the pointed-to type.
7083         (group_aliases): Only regular variables need to be removed
7084         from the alias set of a name tag.
7085         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
7086         propagation if the two types are not compatible.
7087         (merge_alias_info): Rename from replace_ssa_names_ann.
7088         Add more checking.
7089         (replace_exp_1): If both arguments are SSA_NAMEs, check that
7090         the propagation can be done.
7091         Only call merge_alias_info on pointers.
7092         (propagate_value): Likewise.
7093         * tree-ssa-copyrename.c: Include langhooks.h.
7094         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
7095         to do the merging.
7096         Do not coalesce variables with incompatible types.
7097         (rename_ssa_copies): Call replace_ssa_name_symbol.
7098         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
7099         the same type as the underlying _DECL.
7100         * tree-ssanames.c (replace_ssa_name_symbol): New function.
7101         * tree.h (replace_ssa_name_symbol): Declare.
7102
7103 2004-07-23  Richard Henderson  <rth@redhat.com>
7104
7105         PR c++/16277
7106         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
7107         unshare it properly.
7108         (gimplify_modify_expr_rhs): Push assignment from a conditional into
7109         the conditional for all non-register types.
7110
7111 2004-07-23  Richard Henderson  <rth@redhat.com>
7112
7113         * expr.c (expand_expr_real_1): Don't handle non-local variables.
7114         * expr.h (fix_lexical_addr): Remove.
7115         * function.c (NEED_SEPARATE_AP): Remove.
7116         (fix_lexical_addr): Remove.
7117         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
7118         not null decl_function_context.
7119         (create_alias_vars): Likewise.
7120         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
7121         (simple_goto_p): Likewise.
7122         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
7123         * tree-ssa-ccp.c (get_default_value): Likewise.
7124         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7125         * tree.c (needs_to_live_in_memory): Likewise.
7126         * tree-flow-inline.h (may_be_aliased): Move...
7127         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
7128         when TREE_STATIC variables may be addressable.
7129
7130 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
7131
7132         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
7133
7134 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7135
7136         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
7137         bitmap contents if GENERATOR_FILE is defined.
7138         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
7139         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
7140
7141 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
7142
7143         * c-decl.c (start_function): Form composite type of function types
7144         rather than copying type from previous prototype declaration.
7145
7146 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
7147
7148         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
7149         the const qualifier for the second argument in the C++ functions.
7150
7151         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
7152         specific pointer types.
7153
7154         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
7155         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
7156         for vector bool and/or vector pixel, add C++ and C missing support.
7157         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
7158         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
7159         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
7160         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
7161         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
7162         missing C++ and C support for vector bool and/or vector pixel.
7163         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
7164         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
7165         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
7166         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
7167         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
7168         C++ and C types used for vector bool and/or vector pixel.
7169         (vec_st, vec_stl): Add C++ support for vector pixel.
7170         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
7171         (vec_all_ne): Add C++ support for vector pixel.
7172
7173         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
7174         (vec_vmulesb): Add missing C++ function.
7175         (vec_perm): Fix type of third argument in C++ function.
7176         (vec_vsum4shs): Fix C++ function name.
7177         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
7178         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
7179         argument passed to the error handler in C macro.
7180         (vec_nmsub): Remove extra parens around argument names in C macro.
7181         (vec_packpx): Add missing parens in C macro.
7182
7183 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7184
7185         * machmode.def: Remove vector modes.
7186         * config/alpha/alpha-modes.def: Add supported vector modes.
7187         * config/arm/arm-modes.def: Likewise.
7188         * config/frv/frv-modes.def: Likewise.
7189         * config/i386/i386-modes.def: Likewise.
7190         * config/rs6000/rs6000-modes.def: Likewise.
7191         * config/sh/sh-modes.def: Likewise.
7192
7193 2004-07-23  Matthias Klose  <doko@debian.org>
7194
7195         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
7196         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
7197         * config.h: Regenerate.
7198         * configure: Likewise.
7199
7200 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
7201
7202         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
7203         generated SYMBOL_REFs for labels.
7204         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
7205         Change prototype.
7206         (machopic_stub_name): Remove.
7207         (machopic_indirection_name): New function.
7208         (machopic_mcount_stub_name): Likewise.
7209         (machopic_classify_name): Remove.
7210         (machopic_function_base_sym): New function.
7211         (machpoic_classify_symbol): Likewise.
7212         (machopic_classify_ident): Remove.
7213         (machopic_define_ident): Likewise.
7214         (machopic_define_name): Likewise.
7215         (machopic_name_defined_p): Likewise.
7216         (machopic_ident_defined_p): Likewise.
7217         (darwin_strip_name_encoding): Likewise.
7218         (machopic_define_symbol): New function.
7219         * config/darwin.c (hashtab.h): Include.
7220         (machopic_defined_list): Remove.
7221         (machopic_classify_ident): Likewise.
7222         (machopic_classify_name): Likewise.
7223         (machopic_ident_defined_p): Likewise.
7224         (machopic_define_ident): Likewise.
7225         (machopic_define_name): Likewise.
7226         (machopic_symbol_defined_p): New function.
7227         (machopic_classify_symbol): Likewise.
7228         (machopic_data_defined_p): Use machopic_classify_symbol.
7229         (machopic_define_symbol): New function.
7230         (machopic_function_base_sym): New function.
7231         (machopic_non_lazy_pointers): Remove.
7232         (machopic_non_lazy_ptr_name): Likewise.
7233         (machopic_stubs): Likewise.
7234         (machopic_stub_name): Likewise.
7235         (NON_LAZY_POINTER_SUFFIX): New macro.
7236         (STUB_SUFFIX): Likewise.
7237         (machopic_indirection): New structure.
7238         (machopic_indirections): New variable.
7239         (machopic_indirection_hash): New function.
7240         (machopic_indirection_eq): Likewise.
7241         (machopic_indirection_name): Likewise.
7242         (machopic_mcount_stub_name): New function.
7243         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
7244         hash table.
7245         (machopic_indirect_data_reference): Rework to use new functions.
7246         (machopic_indirect_call_target): Likewise.
7247         (machopic_legitimize_pic_address): Likewise.
7248         (machopic_output_indirection): New function.
7249         (machopic_finish): Use it.
7250         (machopic_operand_p): Rework to use new functions.
7251         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
7252         (darwin_strip_name_encoding): Remove.
7253         (update_non_lazy_ptrs): Remove.
7254         (update_stubs): Likewise.
7255         (darwin_non_lazy_pcrel): Use new functions.
7256         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
7257         (ASM_OUTPUT_LABELREF): Likewise.
7258         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7259         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
7260         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
7261         (TARGET_STRIP_NAME_ENCODING): Do not use
7262         darwin_strip_name_encoding.
7263         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
7264         darwin_strip_name_encoding.
7265         * config/i386/darwin.h (FUNCTION_PROFILER): Use
7266         machopic_mcount_stub_name.
7267         * config/i386/i386.c (x86_output_mi_thunk): Use
7268         machopic_indirection_name, not machopic_stub_name.
7269         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
7270         machopic_function_base_sym.
7271         (print_operand): Use machopic_classify_symbol.
7272         (rs6000_emit_prologue): Use machopic_function_base_sym.
7273         (output_profile_hook): Do not use machopic_stub_name.
7274         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
7275
7276 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7277
7278         PR c/7284
7279         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
7280         as multiplication.
7281
7282 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7283
7284         * doc/implement-c.texi: New file.
7285         * doc/extend.texi (C Implementation): Move to there.
7286         * doc/gcc.texi: Include implement-c.texi.
7287         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
7288
7289 2004-07-22  Jason Merrill  <jason@redhat.com>
7290
7291         * integrate.c (copy_decl_for_inlining): Remove invisible reference
7292         handling.
7293         * tree-inline.c (setup_one_parameter): Likewise.
7294
7295 2004-07-22  Brian Booth  <bbooth@redhat.com>
7296
7297         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
7298         (substitute_and_fold): Propigate into VUSE operands when possible.
7299         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
7300         (cp_lattice_meet): Handle merging of latticevalues when
7301         UNKNOWN_VAL is present.
7302         (visit_stmt): Visit assignments with V_MUST_DEFs.
7303         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
7304         (ccp_fold): Deal with RHS' that are constant and virtual.
7305         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
7306         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
7307         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
7308         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
7309         computing immediate uses.
7310         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
7311         transition.
7312         (replace_vuse_in): New function.
7313         (likely_value): Add check of vuse operands.
7314         (get_default_value): Set the default value of virtually defined
7315         variables to UKNOWN_VAL instead of VARYING.
7316
7317 2004-07-22  Richard Henderson  <rth@redhat.com>
7318
7319         * expr.c (emit_push_insn): Don't use set_mem_attributes.
7320
7321 2004-07-22  Richard Henderson  <rth@redhat.com>
7322
7323         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
7324         variables due to conditional compilation.
7325
7326 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7327
7328         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
7329         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
7330         Release SSA names that have been re-renamed.
7331         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
7332         variable.
7333         * tree-ssa-alias.c (init_alias_info): If aliases have been
7334         computed before, clear existing alias information.
7335         (create_name_tags): Do no fixup PT_ANYTHING pointers.
7336         If the new name tag for a pointer is different than the one it
7337         had before, mark the old tag for renaming.
7338         (replace_may_alias): New function.
7339         (group_aliases): Call it.
7340         (setup_pointers_and_addressables): Always call get_tmt_for.
7341         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
7342         once.
7343         (set_pt_anything): New local function.
7344         (set_pt_malloc): New local function.
7345         (merge_pointed_to_info): Don't merge pointed-to variables from
7346         the original pointer if the destination is pointing to an
7347         unknown location.
7348         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
7349         (add_pointed_to_var): Do not add a variable to the points-to
7350         set if the pointer is already pointing to anywhere.
7351         (collect_points_to_info_r): If the defining statement is a PHI
7352         node, only merge pointed-to information if the argument has
7353         already been visited.
7354         (get_tmt_for): Only create a new tag if the pointer didn't
7355         have one already.
7356         (dump_alias_info): Emit more information.
7357         (dump_points_to_info_for): Likewise.
7358         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
7359         try to get the annotation of an SSA_NAME.
7360         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
7361         alias sets when checking is enabled.
7362         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
7363         (eliminate): Mark basic blocks that will need
7364         EH information cleaned up.
7365         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
7366         predecessor.
7367         Initialize need_eh_cleanup.
7368         (fini_pre): Call tree_purge_all_dead_eh_edges and
7369         cleanup_tree_cfg if needed.
7370         Free need_eh_cleanup.
7371         * tree-ssa.c (verify_ssa_name): New function.
7372         (verify_def): Call it.
7373         Re-arrange to avoid printing too many error messages.
7374         (verify_use): Likewise.
7375         (verify_phi_args): Likewise.
7376         (verify_flow_insensitive_alias_info): New function.
7377         (verify_flow_sensitive_alias_info): New function.
7378         (verify_alias_info): New function.
7379         (verify_ssa): Call verify_alias_info.
7380         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
7381         program.
7382         Re-arrange to avoid printing too many error messages.
7383         * tree-ssanames.c (make_ssa_name): Clear
7384         SSA_NAME_IN_FREE_LIST.
7385         (release_ssa_name): Never release a default definition.
7386         (release_defs): New function.
7387         * tree.h: Declare it.
7388         * tree-ssa-dce.c (remove_dead_stmt): Call it.
7389
7390 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7391
7392         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
7393         If true, do a depth-first search.  Do a breadht-first search,
7394         otherwise.
7395         (walk_use_def_chains): Add new argument IS_DFS.
7396         Update all users.
7397         * tree-flow.h (walk_use_def_chains): Update prototype.
7398
7399 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
7400
7401         * config/cris/cris.md: Tweak formatting.
7402         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
7403         (mover2side, moverside, movemside, movei, op3, andu): Replace
7404         live define_peephole:s with define_peephole2 near-equivalents.
7405         Delete the rest.
7406         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
7407         word-size modes.
7408         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
7409         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
7410         "*mov_sidesi_mem" respectively.
7411
7412 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7413
7414         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
7415         (gimplify_build1): Move from tree-complex.c do_unop.
7416         (gimplify_build2): Move from tree-complex.c do_binop.
7417         (gimplify_build3): New.
7418         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
7419         Adjust throughout to call the functions above.
7420         * tree-flow.h: Declare the functions above.
7421         * tree-nested.c (gimplify_val): Rename to...
7422         (tsi_gimplify_val): ... this.
7423
7424         * Makefile.in (tree_complex.o): Update dependencies.
7425         (stor-layout.o): Depend on regs.h.
7426         * c-common.c (handle_vector_size_attribute): Update for
7427         vector types without corresponding vector modes.
7428         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
7429         a corresponding vector mode is not available.
7430         * print-tree.c (print_node): Print nunits for vector types
7431         * regclass.c (have_regs_of_mode): New.
7432         (init_reg_sets_1): Initialize it and use it instead
7433         of allocatable_regs_of_mode.
7434         * regs.h (have_regs_of_mode): Declare it.
7435         * stor-layout.c (layout_type): Pick a mode for vector types.
7436         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
7437         build_replicated_const, do_unop, do_binop, do_plus_minus,
7438         do_negate, expand_vector_piecewise, expand_vector_parallel,
7439         expand_vector_addition, expand_vector_operations_1,
7440         expand_vector_operations, tree_lower_operations,
7441         pass_lower_vector_ssa, pass_pre_expand): New.
7442         (expand_complex_operations, pass_lower_complex): Remove.
7443         * tree-optimize.c (init_tree_optimization_passes): Adjust
7444         pass ordering for changes in tree-complex.c.
7445         * tree-pass.h: Declare new passes.
7446         * tree.c (finish_vector_type): Remove.
7447         (make_vector_type): New.
7448         (build_vector_type_for_mode, build_vector_type): Rewritten.
7449         * tree.def (VECTOR_TYPE): Document where the number of
7450         subparts is stored.
7451         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
7452         (make_vector): Remove declaration.
7453
7454 2004-07-21  Richard Henderson  <rth@redhat.com>
7455
7456         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
7457         TREE_THIS_VOLATILE, may_aliases, or optimization level.
7458         (remove_useless_vars): Dump debugging info.
7459         (expand_used_vars): Move ...
7460         * cfgexpand.c (expand_used_vars): ... here.  Make static.
7461         * tree-flow-inline.h (set_is_used): New.
7462         (set_default_def): Use get_var_ann.
7463         * tree-flow.h: Update decls.
7464         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
7465         (create_ssa_var_map): Use it.
7466         * tree-ssa.c (set_is_used): Remove.
7467
7468 2004-07-22  Ben Elliston  <bje@au.ibm.com>
7469
7470         * gdbinit.in: Set a breakpoint on internal_error.
7471
7472 2004-07-21  Richard Henderson  <rth@redhat.com>
7473
7474         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
7475         to create a new basic block.
7476
7477 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7478
7479         PR c/15052
7480         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
7481         return type on function definitions.  Move other warnings for
7482         qualified return type to -Wreturn-type.  Do not condition any such
7483         warnings on -pedantic.  Update comments.
7484         (start_function): Only copy function type from previous prototype
7485         declaration if return types are compatible.
7486         * c-typeck.c (function_types_compatible_p): Don't condition
7487         warning for incompatibility of volatile qualifiers on the return
7488         type on -pedantic.  Update comment.
7489         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
7490
7491 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7492
7493         * c-typeck.c (set_init_index): Require designator to be of integer
7494         type.
7495
7496 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7497
7498         PR c/11250
7499         * c-parse.in (init): Change to exprtype.
7500         (primary): Set original_code for STRING to STRING_CST.
7501         Call maybe_warn_string_init for compound literals.
7502         (initdcl, notype_initdcl): Call maybe_warn_string_init.
7503         (initval): Update.
7504         * c-tree.h (maybe_warn_string_init): New.
7505         (pop_init_level, process_init_element): Use struct c_expr.
7506         (struct c_expr): Update comment.
7507         * c-typeck.c (maybe_warn_string_init): New function.
7508         (digest_init): Call it.  Additional parameter strict_string.  All
7509         callers changed.
7510         (output_init_element): Likewise.
7511         (struct constructor_stack): Use struct c_expr for
7512         replacement_value.
7513         (really_start_incremental_init, push_init_level): Update.
7514         (pop_init_level): Update.  Return struct c_expr.
7515         (process_init_level): Update.  Take struct c_expr argument.
7516
7517 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
7518
7519         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
7520         commit.
7521
7522 2004-07-21  Eric Christopher  <echristo@redhat.com>
7523
7524         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
7525         removal.
7526         * c-decl.c (pop_scope): Ditto.
7527         * calls.c (expand_call): Remove call to current_nesting_level,
7528         update comment accordingly. Remove calls to expand_start_target_temps
7529         and expand_end_target_temps.
7530         * cfgexpand.c (construct_init_block): Remove call to
7531         expand_start_bindings_and_block.
7532         (construct_exit_block): Remove call to expand_end_bindings.
7533         * expr.c (safe_from_p): Remove BIND_EXPR handling.
7534         (expand_expr_real_1): Ditto. Fix formatting.
7535         (expand_vars): Delete.
7536         * stmt.c (POPSTACK): Remove block_stack.
7537         (stmt_status): Remove x_block_stack.
7538         (block_stack): Delete.
7539         (expand_start_bindings_and_block): Ditto.
7540         (expand_start_target_temps): Ditto.
7541         (expand_end_target_temps): Ditto.
7542         (current_nesting_level): Ditto.
7543         (warn_about_unused_variables): Ditto.
7544         (expand_end_bindings): Ditto.
7545         * tree.h: Remove declarations for above.
7546
7547 2004-07-21  Steven Bosscher  <stevenb@suse.de>
7548
7549         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
7550         * rtl.c (note_insn_name): Likewise.
7551         * print-rtl.c (print_rtx): Don't print it.
7552         * cfgrtl.h (can_delete_note_p): Don't handle it.
7553         (rtl_delete_block): Likewise.
7554         * passes.c (rest_of_handle_guess_branch_prob): Remove.
7555         (rest_of_compilation): Don't call it.
7556         * predict.c (process_note_predictions, process_note_prediction,
7557         note_prediction_to_br_prob): Remove.
7558         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
7559         * stmt.c (return_prediction): Remove.
7560         (expand_value_return): Don't call it.  Don't add prediction
7561         notes for return statements.
7562
7563 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
7564
7565         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
7566         once.
7567
7568 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
7569
7570         * c-common.c (vector_types_convertible_p): Use vector types'
7571         TYPE_SIZE and TREE_TYPE instead of their mode.
7572         * convert.c (convert_to_integer): Likewise.
7573         (convert_to_vector): Likewise.
7574         * fold-const.c (fold_convert): Likewise.
7575         * varasm.c (output_constant): Likewise.
7576         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
7577         Allow a VECTOR_TYPE initializer to be made of several vectors.
7578         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
7579         of cleared and need_to_clear, and use fold_convert.
7580         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
7581         integer vectors.
7582
7583 2004-07-20  Richard Henderson  <rth@redhat.com>
7584
7585         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
7586         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
7587
7588 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
7589
7590         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
7591         enormous cost if not TARGET_HARD_MUL.
7592
7593 2004-07-20  Andrew Pinski  <apinski@apple.com>
7594
7595         PR target/16557
7596         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
7597         (ASM_SPEC): here.
7598
7599 2004-07-21  Paul brook  <paul@codesourcery.com>
7600
7601         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
7602
7603 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7604
7605         * fold-const.c (operand_equal_p): Temporarily support NULL args.
7606         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
7607         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
7608
7609 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
7610
7611         * rtl.h (plus_constant): Delete.
7612         (plus_constant_wide): Rename to plus_constant.
7613         (plus_constant_for_output_wide): Delete vestigial prototype.
7614         (GEN_INT): Remove unnecessary cast.
7615         * tree.h (build_int_2, size_int_type): Delete.
7616         (build_int_2_wide): Rename to build_int_2.
7617         (size_int_wide): Rename to size_int_kind.
7618         (size_int_type_wide): Rename to size_int_type.
7619         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
7620         Remove unnecessary cast.
7621         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
7622         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
7623         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
7624         (size_int_type_wide): Rename size_int_type.
7625         (int_const_binop): Use size_int_type.
7626         * c-lex.c (interpret_integer): Use build_int_2.
7627         * final.c (split_double): Remove unnecessary casts.
7628         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
7629
7630 2004-07-20  Richard Henderson  <rth@redhat.com>
7631
7632         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
7633         (gimplify_compound_lval): Use is_gimple_tmp_reg.
7634         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
7635         (is_gimple_tmp_reg): New.
7636         * tree-gimple.h (is_gimple_tmp_reg): Declare.
7637
7638 2004-07-20  Richard Henderson  <rth@redhat.com>
7639
7640         * tree-pretty-print.c (dump_generic_node): Dump
7641         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
7642
7643 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
7644
7645         * tree-mudflap.c (mf_set_options_fndecl): New tree.
7646         (mudflap_init): Set it.
7647         (mudflap_register_call): Remove __mf_init call.
7648         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
7649         to pass "-ignore-reads" option to libmudflap if needed.
7650
7651 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
7652
7653         PR c++/14607
7654         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
7655         (MAKE_DECL_ONE_ONLY): Undefine.
7656         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
7657         readonly_data, one_only_data_section, forget_section): New prototypes.
7658         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
7659         functions.
7660         (pa_select_section): Add one-only (COMDAT) support.
7661         * pa.h (struct machine_function): Define.
7662         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
7663         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
7664         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
7665         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
7666         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
7667         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
7668         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
7669         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
7670         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
7671         for EXTRA_SECTION_FUNCTIONS.
7672         * doc/install.texi: Update binutils requirements.
7673
7674 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7675
7676         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
7677         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
7678         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
7679         size_t.
7680         (struct VEC): Use unsigned for num and alloc.
7681         * vec.c (struct vec_prefix): Likewise.
7682         (vec_o_reserve): Adjust.
7683
7684         * dbxout.c (dbxout_type): Fix printf format.
7685
7686         * tree.h (binfo_member): Remove.
7687         * tree.c (binfo_member): Remove.
7688
7689 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7690
7691         * tree.h: Include vec.h
7692         (DEF_VEC_P(tree)): New type.
7693         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
7694         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
7695         (BINFO_LANG_SLOT): Remove.
7696         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
7697         (struct tree_binfo): Turn base_binfos into a trailing
7698         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
7699         (binfo_lang_slots): Remove.
7700         * tree.c (binfo_lang_slots): Remove.
7701         (make_tree_binfo_stat): Take a base binfo count, not a
7702         lang slot count.  Adjust.
7703         * Makefile.in (TREE_H): Add vec.h
7704         * alias.c (record_component_aliases): Adjust BINFO access.
7705         * dbxout.c (dbxout_type): Likewise.
7706         * dwarf2out.c (gen_member_die): Likewise.
7707         * sdbout.c (sdbout_one_type): Likewise.
7708         * tree-dump.c (deque_and_dump): Likewise.
7709         * config/i386/i386.c (classify_argument,
7710         contains_128bit_aligned_vector_p): Likewise.
7711         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
7712         * doc/c-tree.texi (Classes): Update BINFO documentation.
7713
7714 2004-07-20  Steven Bosscher  <stevenb@suse.de>
7715
7716         * c-common.h (check_case_value): Remove prototype.
7717         (c_add_case_label): Adjust prototype.
7718         * c-common.c (check_case_value): Make static.
7719         (check_case_bounds): New function.
7720         (c_add_case_label): Use it.  Take new argument orig_type.
7721         * c-typeck.c (struct c_switch): New orig_type field.
7722         (c_start_case): Set it.
7723         (do_case): Pass it to c_add_case_label.
7724         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
7725         cases from here.  Add the labels in reverse order.
7726         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
7727         (add_case_node): Return nothing, don't check for duplicate cases.
7728         Insert new case nodes in a list, not in an AVL tree.
7729         (expand_end_case_type): Don't turn a case tree into a case list.
7730         (case_tree2list): Remove.
7731         * tree.h (add_case_node): Adjust prototype.
7732
7733 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
7734
7735         * genattr.c (struct range, struct function_unit,
7736         write_units, extend_range, init_range): Remove them.
7737         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7738         Output "#define INSN_SCHEDULING" here.
7739         * genattrtab.c (struct range, struct function_unit_op,
7740         struct function_unit, struct dimension, enum operator,
7741         operate_exp, expand_units, simplify_knowing,
7742         encode_units_mask, simplify_by_exploding,
7743         find_and_mark_used_attributes, unmark_used_attributes,
7744         add_values_to_cover, increment_current_value,
7745         test_for_current_value, simplify_with_current_value,
7746         simplify_with_current_value_aux, gen_unit,
7747         write_unit_name, write_function_unit_info,
7748         write_complex_function, write_toplevel_expr,
7749         find_single_value, extend_range): Remove.
7750         (write_attr_get): Do not handle common_av->value
7751         being an FFS.
7752         (struct attr_desc): Remove func_units_p and blockage_p.
7753         (write_attr_valueq): Do not handle them.
7754         (find_attr): Do not clear them.
7755         (make_internal_attr): Do not initialize them.
7756         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7757         * sched-vis.c (init_target_units, insn_print_units,
7758         init_block_visualization, print_block_visualization,
7759         visualize_scheduled_insns, visualize_no_unit,
7760         visualize_stall_cycles, visualize_alloc,
7761         visualize_free, target_units, get_visual_tbl_length,
7762         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
7763         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
7764         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
7765         * haifa-sched.c (blockage_range, clear_units,
7766         schedule_unit, actual_hazard, potential_hazard,
7767         insn_unit, unit_last_insn, unit_tick,
7768         actual_hazard_this_instance, potential_hazard,
7769         schedule_unit, max_insn_queue_index_value): Remove.
7770         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
7771         max_insn_queue_index.
7772         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
7773         * doc/md.texi (Processor pipeline description): Remove
7774         references to old pipeline descriptions.
7775         (Automaton pipeline description): Merge with the above.
7776         (Old pipeline description, Comparison of the two descriptions):
7777         Remove.
7778
7779         * bt-load.c (migrate_btr_def): Remove references to
7780         use_pipeline_interface.
7781         * haifa-sched.c (insn_cost, schedule_insn,
7782         schedule_block, advance_one_cycle, sched_init,
7783         queue_to_ready, sched_finish): Likewise.
7784         * modulo-sched.c (sms_schedule, advance_one_cycle,
7785         ps_has_conflicts): Likewise.
7786         * sched-rgn.c (init_ready): Likewise.
7787         (debug_dependencies): Likewise, and remove an "if (1)".
7788         * target.h (use_dfa_pipeline_interface): Remove.
7789         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7790         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7791         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7792         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7793         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7794         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7795         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7796         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7797         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7798         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7799         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7800         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7801         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7802         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7803         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7804         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7805         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7806         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7807         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7808
7809 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7810
7811         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
7812
7813 2004-07-19  Jeff Law  <law@redhat.com>
7814
7815         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
7816         (get_eq_expr_value): Use it.  Simplify slightly.
7817
7818 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
7819
7820         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
7821         (umulsidi3_32bit_r4000): Likewise.
7822
7823 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
7824
7825         * vec.h: Propagate location information properly.
7826         (VEC_T_iterate): Add result pointer parameter.
7827         (VEC_T_space): New.
7828         (VEC_T_reserve): Use it.
7829
7830 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
7831
7832         * Makefile.in (c-format.o): Depend on c-format.h.
7833         * c-format.h: New file.
7834         (struct format_char_info): Add CHAIN member.
7835         * c-format.c: Move some types and constants to c-format.h.
7836         (format_type_error): Set to -1.
7837         (struct function_format_info): Use an int for format_type.
7838         (decode_format_type): Return an int.  Return format_type_error
7839         on error.
7840         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
7841         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
7842         (scan_char_table, time_char_table, monetary_char_table): Initialize
7843         CHAIN to NULL.
7844         (n_format_types): New variable.
7845         (check_format_info_main): Handle CHAIN in format_char_info.
7846         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
7847         TARGET_N_FORMAT_TYPES.
7848         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7849         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
7850         * config/sol2-c.c: New file.
7851         * config/t-sol2: New file.
7852         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
7853         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
7854         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
7855
7856         * doc/extend.texi (Target Format Checks): New section.
7857         (Function Attributes): Mention it.
7858         * doc/invoke.texi: Mention target format checks.
7859         * doc/sourcebuild.texi: Mention target format checks.
7860         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
7861         TARGET_FORMAT_TYPES.
7862
7863 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7864
7865         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
7866         added.
7867         * config/s390/s390.c (regclass_map initializer): Register 35 added to
7868         ADDR_REGS.
7869         (load_multiple_operation, store_multiple_operation): Removed
7870         pointless sanity check.
7871         (s390_decompose_address): Added check for return_address_pointer_rtx.
7872         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
7873         (s390_return_address_offset): New function.
7874         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
7875         (FRAME_REGNO_P): Added check for register 35.
7876         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
7877         REG_ALLOC_ORDER): Appended entry for register 35.
7878         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
7879         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
7880         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
7881         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
7882         is eliminable using stack pointer or hard frame pointer.
7883         (REGISTER_NAMES): Added name for register 35.
7884         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
7885         pointless sanity check.
7886
7887 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7888
7889         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
7890         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
7891         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
7892         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
7893         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
7894         (fold_relational_const): Tidy up handling of floating point
7895         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
7896         transformation; fold_relational_const assumes constant operands.
7897
7898 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
7899
7900         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
7901         directory.
7902
7903 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7904
7905         * c-tree.h (struct c_expr): Define.
7906         (C_SET_EXP_ORIGINAL_CODE): Remove.
7907         (parser_build_binary_op, build_compound_expr): Update prototypes.
7908         * c-parse.in (%union): Add exprtype.
7909         (FUNC_NAME): Mark as ttype.
7910         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
7911         exprtype.
7912         (expr): Update.  Define directly in terms of expr_no_commas
7913         instead of using nonnull_exprlist.
7914         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
7915         offsetof_member_designator, typespec_nonreserved_nonattr, init,
7916         initval, designator, component_declarator,
7917         component_notype_declarator, enumerator, array_declarator,
7918         condition, exexpr, switch_statement, stmt_nocomp, stmt,
7919         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
7920         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
7921         where appropriate.
7922         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
7923         * c-common.c (c_common_truthvalue_conversion): Don't check
7924         C_EXP_ORIGINAL_CODE.
7925         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
7926         Don't use C_EXP_ORIGINAL_CODE.
7927         (default_conversion, default_function_array_conversion): Don't use
7928         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
7929         (internal_build_compound_expr): Merge into build_compound_expr.
7930         (build_compound_expr): Take two operands instead of a TREE_LIST.
7931         * objc/objc-act.c (get_super_receiver): Update calls to
7932         build_compound_expr.
7933
7934 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
7935
7936         * config/sh/sh.c (sh_use_dfa_interface): Remove.
7937         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
7938         hook_int_void_1.
7939         * config/sh/sh.md: Extract pipeline descriptions
7940         into separate files.
7941         * config/sh/sh1.md: New file, extracted from sh.md.
7942         * config/sh/sh4.md: New file, extracted from sh.md.
7943         * config/sh/shmedia.md: New file, extracted from sh.md
7944         and rewritten using new-style pipeline description.
7945
7946 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
7947
7948         * config/pa/pa.md: Delete the two remaining define_peephole
7949         patterns.
7950
7951 2004-07-18  Steven Bosscher  <stevenb@suse.de>
7952             Joseph S. Myers  <jsm@polyomino.org.uk>
7953
7954         * c-common.c (c_common_truthvalue_conversion): Don't warn if
7955         TREE_NO_WARNING is set.
7956
7957 2004-07-18  Roger Sayle  <roger@eyesopen.com>
7958
7959         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
7960         simplify_builtin_strncmp): Delete.
7961         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
7962         Change argument to accept an arglist instead of an "exp".  Assume
7963         that the return type is always integer_type_node.  Copy missing
7964         transformations from their now obsolete simplify_builtin_*
7965         equivalents.
7966         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
7967         fold_builtin_strcmp and fold_builtin_strncmp.
7968         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
7969         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
7970         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
7971
7972 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
7973
7974         * Makefile.in (tree-alias-common.o): Update dependencies.
7975
7976 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
7977
7978         * cfgloop.c (flow_loop_nested_p): Fix comment.
7979
7980 2004-07-17  Jason Merrill  <jason@redhat.com>
7981
7982         PR c++/16115
7983         * stor-layout.c (relayout_decl): New fn.
7984         * tree.h: Declare it.
7985         (DECL_BY_REFERENCE): New macro.
7986
7987 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
7988
7989         * libgcc2.c (__enable_execute_stack): New symbol.
7990         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
7991         and declare __enable_execute_stack.
7992         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
7993         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
7994         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7995         ENABLE_EXECUTE_STACK.
7996         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
7997         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7998         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7999         ENABLE_EXECUTE_STACK.
8000         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8001         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
8002         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8003         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8004         ENABLE_EXECUTE_STACK.
8005         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8006         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8007         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8008         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8009         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
8010         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8011         (sparc64_initialize_trampoline): Likewise.
8012         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
8013
8014 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8015
8016         * langhooks.h (builtin_function): New langhook.
8017         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
8018         (LANG_HOOKS_INITIALIZER): Update.
8019         * tree.h (builtin_function): Remove.
8020         * doc/tm.texi: Update.
8021         * c-tree.h (builtin_function): Declare.
8022         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
8023         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
8024         config/ia64/ia64.c, config/iq2000/iq2000.c,
8025         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
8026         config/stormy16/stormy16.c: All callers of builtin_function
8027         changed.
8028
8029 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
8030
8031         PR target/16556
8032         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
8033         Remove white space after the backslash.
8034
8035 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
8036
8037         PR rtl-optimization/16294
8038         * resource.c (return_insn_p): New predicate.
8039         (mark_target_live_regs): Use it.  Special-case return insns.
8040         (init_resource_info): Use it.  Don't scan the epilogue past
8041         a return.
8042
8043 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8044
8045         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
8046         destroy dominance information.
8047         * passes.c (rest_of_handle_loop2):  Free dominance information.
8048         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
8049         jump threading.
8050         (thread_jumps): Update dominance information and remove unreachable
8051         blocks.
8052         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
8053         information and remove the unreachable block.
8054
8055 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
8056
8057         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
8058
8059 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
8060
8061         * doc/sourcebuild.texi: Remove libf2c entry.
8062
8063 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
8064
8065         * config/i386/i386.md (movv16qi_internal): Fix typo.
8066
8067 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8068
8069         * final.c (final_scan_insn): Fix broken commit from previous
8070         patch.
8071
8072 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8073
8074         * c-typeck.c (parser_build_binary_op): Condition warnings for
8075         X<=Y<=Z on -Wparentheses instead of -Wextra.
8076         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
8077         supported for C only.
8078
8079 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8080
8081         * cfgcleanup.c (try_simplify_condjump): Don't remove line
8082         notes to avoid unreachable code warnings.
8083         * toplev.c (backend_init): Don't emit line notes for
8084         unreachable code warnings.
8085
8086         * combine.c (distribute_notes): Don't distribute a
8087         REG_VTABLE_REF note.
8088         * final.c (final_scan_insn): Don't handle it.
8089         * rtl.c (reg_note_name): Remove it.
8090         * rtl.h (enum reg_node): Dito.
8091
8092         * emit-rtl.c (force_line_numbers, restore_line_number_status):
8093         Remove.
8094         * rtl.h (force_line_numbers, restore_line_number_status):
8095         Remove prototypes.
8096
8097         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
8098         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
8099         (using_eh_for_cleanups): Also moved here.
8100
8101         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
8102         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
8103         to expand_start_case and add_case_node.
8104         * stmt.c (struct nesting): Cleanup unused fields condition_code,
8105         last_unconditional_cleanup, nominal_type, printname, and
8106         line_number_status.
8107         (struct fixup_goto): Remove.
8108         (struct stmt_status): Remove x_goto_fixup_chain field.
8109         (goto_fixup_chain): Remove.
8110         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
8111         pushcase, pushcase_range): Remove.
8112         (expand_start_bindings_and_block): Don't set unused fields in
8113         the nesting stack.
8114         (expand_start_case, add_case_node): Cleanup unused formal arguments.
8115         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
8116         instead of emit_jump_if_reachable.
8117         (emit_case_nodes): Likewise.
8118         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
8119         static.
8120         (update_eh_label): Work around left-over exception handing regions.
8121         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
8122         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
8123         (pass_cleanup_cfg_post_optimizing): New pass.
8124         (init_tree_optimization_passes): Run the new pass after all
8125         optimizations.
8126         * tree.h (pushcase, pushcase_range): Remove prototypes.
8127         (expand_start_case, add_case_node): Update prototypes.
8128
8129 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
8130
8131         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
8132
8133 2004-07-16  Richard Henderson  <rth@redhat.com>
8134
8135         * builtins.c (std_expand_builtin_va_arg): Remove.
8136         (expand_builtin_va_arg): Remove.
8137         * expr.h: Don't declare them.
8138         * gimplify.c (mark_decls_volatile_r): Remove.
8139         (copy_if_shared_r): Don't call it.
8140         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
8141         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
8142         * gimple-low.c (lower_stmt): Likewise.
8143         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
8144         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
8145         * tree-ssa-operands.c (get_expr_operands): Likewise.
8146         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
8147         EXPAND_BUILTIN_VA_ARG.
8148         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
8149         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
8150         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
8151         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8152
8153 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8154
8155         * tree-ssa-pre.c (insert_aux): Break out if we hit
8156         a critical edge.
8157
8158 2004-07-16  Richard Henderson  <rth@redhat.com>
8159
8160         * basic-block.h (remove_fake_exit_edges): Declare.
8161         * cfganal.c (remove_fake_predecessors): Rename from
8162         remove_fake_successors; iterate over predecessors.
8163         (remove_fake_exit_edges): New.
8164         * cfgcleanup.c (try_optimize_cfg): Use it.
8165         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
8166         * predict.c (estimate_probability): Likewise.
8167         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
8168         * tree-cfg.c (make_edges): Likewise.
8169         * tree-ssa-pre.c (fini_pre): Likewise.
8170         * profile.c (instrument_edges): Don't remove_fake_edges.
8171         (branch_prob): Do it earlier here.
8172
8173 2004-07-16  Richard Henderson  <rth@redhat.com>
8174
8175         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
8176         switchification wrt CONSTRUCTOR.  Document the reason.
8177
8178 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
8179
8180         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
8181         that prevented descriptive __mf_check source location strings.
8182
8183 2004-07-16  Richard Henderson  <rth@redhat.com>
8184
8185         * tree-def (WITH_SIZE_EXPR): New.
8186         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
8187         * expr.c (expand_expr_real_1): Likewise.
8188         * gimplify.c (maybe_with_size_expr): New.
8189         (gimplify_arg, gimplify_modify_expr): Use it.
8190         (gimplify_modify_expr_to_memcpy): Take size parameter.
8191         (gimplify_modify_expr_to_memset): Likewise.
8192         (gimplify_expr): Handle WITH_SIZE_EXPR.
8193         * tree-alias-common.c (find_func_aliases): Likewise.
8194         * tree-eh.c (tree_could_trap_p): Likewise.
8195         (tree_could_throw_p): Likewise.
8196         * tree-gimple.c (is_gimple_lvalue): Likewise.
8197         (get_call_expr_in): Likewise.
8198         * tree-inline.c (estimate_num_insns_1): Likewise.
8199         (expand_calls_inline): Likewise.
8200         * tree-nested.c (convert_call_expr): Likewise.
8201         * tree-pretty-print.c (dump_generic_node): Likewise.
8202         * tree-sra.c (sra_walk_expr): Likewise.
8203         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
8204         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
8205         * tree-ssa-operands.c (get_expr_operands): Likewise.
8206         * tree-tailcall.c (find_tail_calls): Likewise.
8207
8208         * calls.c (expand_call): Reset old_stack_allocated after
8209         calling emit_stack_restore.
8210
8211 2004-07-16  Richard Henderson  <rth@redhat.com>
8212
8213         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
8214         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8215         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8216         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
8217         copy_res_decl_for_inlining.
8218
8219         * tree-inline.c (declare_return_variable): New modify_dest argument.
8220         Use it as the return value, when possible or manditory.  Handle
8221         TREE_ADDRESSABLE types.
8222         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
8223         replacement of CALL_EXPR.
8224
8225 2004-07-16  Richard Henderson  <rth@redhat.com>
8226
8227         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
8228         * gimple-low.c (expand_var_p): Don't check it.
8229         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
8230         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
8231         * tree-ssa-operands.c (add_stmt_operand): Likewise.
8232         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
8233         (find_referenced_vars): Don't call them.
8234         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
8235
8236 2004-07-16  Richard Henderson  <rth@redhat.com>
8237
8238         * function.c (pass_by_reference): True for all variable sized types.
8239
8240 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
8241
8242         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
8243         * tree-pretty-print.c: Include tree-chrec.h.
8244         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
8245         and POLYNOMIAL_CHREC nodes.
8246
8247 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
8248
8249         * builtins.c (expand_builtin_stpcpy): Do not create temporary
8250         reg with VOIDmode.
8251
8252 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8253
8254         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
8255
8256 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
8257
8258         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
8259         to BASE_REGNUM.
8260         * config/s390/s390.c: Likewise.
8261         * config/s390/s390.h: Likewise.
8262
8263 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8264
8265         * config/mips/mips.md (addsi3, adddi3): Remove special handling
8266         of $sp adds.  Remove REGNO checks from mips16 patterns.
8267
8268 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8269
8270         * config/mips/mips.md: Delete outdated comment.
8271
8272 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8273
8274         * config/mips/mips.c (get_float_compare_codes): Delete.
8275         (mips_emit_compare): New function, mostly extracted from
8276         get_float_compare_codes and gen_conditional_branch.
8277         (gen_conditional_branch, gen_conditional_move): Use it.
8278
8279 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8280
8281         * genautomata.c (add_vect): Speedup by using integers as
8282         bit-vectors for walking through the comb_vect and finding
8283         a match.
8284
8285 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8286
8287         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
8288         operand is an uns_arith_operand; use subtraction otherwise.
8289         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
8290         not just arith_operands.
8291
8292 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8293
8294         * config/mips/mips-protos.h (gen_int_relational): Delete.
8295         (mips_emit_scc): Declare.
8296         * config/mips/mips.c (internal_test): Delete.
8297         (sle_operand, sleu_operand): New functions.
8298         (map_test_to_internal_test, gen_int_relational): Delete.
8299         (mips_emit_binary, mips_relational_operand_ok_p)
8300         (mips_emit_int_relational, mips_zero_if_equal)
8301         (mips_emit_scc): New functions.
8302         (gen_conditional_branch): Rework to use mips_emit_int_relational.
8303         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
8304         sleu_operand.
8305         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8306         (sltu, sleu): Use mips_emit_scc.
8307         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
8308         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
8309         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
8310
8311 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8312
8313         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
8314
8315 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8316
8317         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
8318         (*sne_[sd]i): Likewise sne_[sd]i_zero.
8319         (*sgt_[sd]i): ...and sgt_[sd]i.
8320         (*slt_[sd]i): ...and slt_[sd]i.
8321         (*sgtu_[sd]i): ...and sgtu_[sd]i.
8322         (*sltu_[sd]i): ...and sltu_[sd]i.
8323         (*sleu_[sd]i): ...and sleu_[sd]i_const.
8324         Name previously unnamed mips16 patterns.  Formatting fixes.
8325
8326 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8327
8328         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
8329         (branch_type): Delete.
8330         (gen_conditional_branch, gen_conditional_move)
8331         (mips_gen_conditional_trap): Update after name change.  Get the
8332         comparison mode from cmp_operands[0].
8333         * config/mips/mips.h (cmp_type, branch_type): Delete.
8334         (cmp_operands): Renamed from branch_cmp.
8335         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
8336         name change.  Don't set branch_type.
8337         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
8338         mode class of cmp_operands[0] rather than branch_type.  Update after
8339         name change.
8340
8341 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8342
8343         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
8344         of 0...255 to 0 when inside a SET.
8345
8346 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8347
8348         * config/mips/mips.md: Remove mips16 define_peepholes.
8349
8350 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8351
8352         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
8353         (fini_pre): Remove fake edges.
8354
8355 2004-07-15  Richard Henderson  <rth@redhat.com>
8356
8357         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
8358         (get_indirect_ref_operands, get_call_expr_operands): ... these.
8359
8360 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8361
8362         * vec.h (VEC_address): New function.
8363
8364 2004-07-14  Jason Merrill  <jason@redhat.com>
8365
8366         PR middle-end/15885
8367         * gimplify.c (gimplify_arg): New fn, split out from...
8368         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
8369
8370 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8371
8372         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
8373         generate code which is generated by pushqi1 now
8374         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
8375
8376 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8377
8378         * combine.c (simplify_set): match the mode of the constant 0 with
8379         the tested operand to match the compare behaviour and the
8380         simplify_relational_operation() expectation.
8381
8382 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8383
8384         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
8385         ("bordered"): Same.
8386
8387 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8388
8389         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
8390         unconditionally.
8391         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
8392
8393 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8394
8395         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
8396         calls in mips16 code.
8397
8398 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8399
8400         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
8401         the destination of the li as well as for the neg.
8402
8403 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
8404
8405         g++/15861
8406         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
8407         * cgraph.h: Update declaration.
8408         * c-decl.c (build_cdtor): Update call with default priority.
8409         * coverage.c (create_coverage): Ditto.
8410         * tree-mudflap.c (mf_init_fndecl): New tree.
8411         (mudflap_init): Set it.
8412         (mudflap_register_call): Arrange to call __mf_init before the first
8413         __mf_register call.
8414         (mudflap_finish_file): Mark the mudflap static initializer as extra
8415         high priority, to beat all C++ static constructors.
8416
8417 2004-07-15  Jeff Law  <law@redhat.com>
8418
8419         * loop.c (check_insn_for_givs): Restore check for code labels that was
8420         accidentally deleted by a recent checkin.
8421
8422 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8423
8424         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
8425         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
8426
8427 2004-07-14  Richard Henderson  <rth@redhat.com>
8428
8429         * print-tree.c (print_node): Fix casts last change.
8430
8431 2004-07-15  Paul Brook  <paul@codesourcery.com>
8432
8433         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
8434         to TARGET_UNWIND_INFO.
8435         * except.c (output_function_exception_table): Ditto.
8436         * except.h: Ditto.
8437         * opts.c (decode_options): Ditto.
8438         * passes.c (rest_of_handle_final): Ditto.
8439         * final.c (final_start_function): Ditto.
8440         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
8441         target hook.
8442         * targhooks.h (default_unwind_emit): Declare.
8443         * targhooks.c (default_unwind_emit): New function.
8444         * target-def.h: Define and use TARGET_UNWIND_EMIT.
8445         * target.h (struct gcc_target): Add unwind_emit.
8446         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
8447         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
8448         Remove IA64_UNWIND_EMIT.
8449         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
8450
8451 2004-07-14  Richard Henderson  <rth@redhat.com>
8452
8453         * print-tree.c (print_node): Handle SSA_NAME.
8454
8455 2004-07-14  James E Wilson  <wilson@specifixinc.com>
8456
8457         PR target/16325
8458         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
8459         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
8460
8461 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8462
8463         * expr.c (expand_assignment): Reenable bitfield += optimizations.
8464         Use alias set 0 for memory, do proper mode calculations and adjust
8465         address for memories.
8466
8467 2004-07-14  Per Bothner  <per@bothner.com>
8468
8469         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
8470         structure with extra column field.
8471         * tree.c (expand_location):  Also fill in column field.
8472         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
8473         gets confused by the two conditionally-compiled definitions.
8474
8475 2004-07-14  Eric Christopher  <echristo@redhat.com>
8476
8477         * calls.c (expand_call): Fix typo in comment.
8478
8479 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
8480
8481         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
8482         comparision of TFmode.
8483
8484 2004-07-14  Richard Henderson  <rth@redhat.com>
8485
8486         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
8487         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
8488         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
8489         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8490         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8491         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8492         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8493         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8494         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8495
8496 2004-07-14  Mike Stump  <mrs@apple.com>
8497
8498         * config/darwin.h (WINT_TYPE): Define to be int to match
8499         system header files.
8500
8501 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
8502
8503         * config/xtensa/xtensa.c (function_arg_advance): Check for args
8504         that must be passed in the stack.
8505         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
8506         arguments if the size is not a constant.
8507
8508 2004-07-14  Per Bothner  <per@bothner.com>
8509
8510         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
8511         instead of EXPR_LOCUS in a boolean context, which is always true
8512         if --enable-mapped-location.
8513         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
8514
8515 2004-07-14  Richard Henderson  <rth@redhat.com>
8516
8517         * dominance.c (struct dom_info): Add fake_exit_edge.
8518         (init_dom_info): Allocate it.
8519         (free_dom_info): Free it.
8520         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
8521         in two passes.
8522         (calc_idoms): Honor fake_exit_edge.
8523
8524 2004-07-13  Jason Merrill  <jason@redhat.com>
8525
8526         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
8527         (rhs_test_for): New fn.
8528         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
8529         * tree-gimple.h: Declare them.
8530         * gimplify.c (gimplify_modify_expr): Use the new fns.
8531
8532 2004-07-14  Richard Henderson  <rth@redhat.com>
8533
8534         * config/arm/arm-protos.h (arm_va_arg): Remove.
8535         * config/arm/arm.c (arm_va_arg): Remove.
8536         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
8537         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
8538
8539 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8540
8541         * pa.c (fix_range): New function to mark a range(s) of registers as
8542         fixed registers.
8543         (override_options): Call fix_range if the -mfixed-range option string
8544         is not empty.
8545         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
8546         * doc/invoke.texi (-mfixed-range): Document new option.
8547
8548 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
8549
8550         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
8551         for TARGET_64BIT.
8552         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
8553
8554 2004-07-14  Roger Sayle  <roger@eyesopen.com>
8555
8556         * expmed.c (expand_sdiv_pow2): New function to expand signed division
8557         by a positive power of two, split out from expand_divmod.  Provide
8558         an alternate implementation when shifts are expensive.  Lower the
8559         threshold for using a branchless implementation to BRANCH_COST >= 2.
8560         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
8561
8562 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8563
8564         * tree-dfa.c (make_rename_temp): *Really* work just
8565         like create_tmp_var if called while outside SSA form.
8566
8567 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8568
8569         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
8570         for division by zero.
8571         ("umodsi3"): Likewise.
8572
8573 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8574
8575         * config/mips/mips.c (mips_output_move): When generating mips16 code,
8576         force loads of negative constants to be split.
8577         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
8578         Generalize SImode li/neg splitter to cope with other modes.
8579
8580 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8581
8582         * expmed.c: Remove more references to QUEUED in the comments.
8583         * expr.c: Likewise.
8584
8585 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8586
8587         Revert:
8588         2004-07-13  Richard Henderson  <rth@redhat.com>
8589         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
8590         correctly.
8591
8592 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8593
8594         * tree-dfa.c (make_rename_temp): Work just like
8595         create_tmp_var if called while outside SSA form.
8596
8597 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8598
8599         * expr.c (enqueue_insn, finish_expr_for_function,
8600         protect_from_queue, queued_subexp_p, mark_queue,
8601         emit_insns_enqueued_after_mark, emit_queue,
8602         expand_increment): Remove.
8603         (store_constructor): Expand increment as an assignment.
8604         (expand_expr_real_1 <case PREINCREMENT_EXPR,
8605         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
8606         case POSTDECREMENT_EXPR>): Abort.
8607         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
8608         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
8609         protect_from_queue, emit_queue, queued_subexp_p): Remove.
8610         * function.h (pending_chain, x_pending_chain): Remove.
8611         * rtl.def (QUEUED): Remove.
8612
8613         * emit-rtl.c (copy_insn_1, copy_most_rtx,
8614         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
8615         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
8616         encode_units_mask): Likewise.
8617         * local-alloc.c (equiv_init_varies_p): Likewise.
8618         * rtl.c (copy_rtx): Likewise.
8619         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8620         * simplify-rtx.c (simplify_gen_subreg): Likewise.
8621         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
8622
8623         * builtins.c (expand_builtin, expand_builtin_apply,
8624         expand_builtin_mathfn, expand_builtin_mathfn_2,
8625         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
8626         Remove calls to emit_queue and protect_from_queue.
8627         * calls.c (expand_call, precompute_arguments,
8628         precompute_register_parameters, rtx_for_function_call,
8629         store_one_arg): Likewise.
8630         * dojump.c (do_compare_and_jump, do_jump): Likewise.
8631         * explow.c (memory_address): Likewise.
8632         * expmed.c (clear_by_pieces_1, clear_storage,
8633         clear_storage_via_libcall, emit_group_load,
8634         emit_group_store, emit_store_flag,
8635         expand_expr_real_1, store_by_pieces,
8636         store_constructor, store_expr, try_casesi,
8637         try_tablejump): Likewise.
8638         * function.c (expand_pending_sizes): Likewise.
8639         * optabs.c (emit_cmp_and_jump_insns,
8640         emit_conditional_add, emit_conditional_move,
8641         expand_fix, expand_float, prepare_cmp_insn): Likewise.
8642         * stmt.c (emit_case_bit_tests,
8643         expand_asm_expr, expand_computed_goto,
8644         expand_decl_init, expand_end_case_type,
8645         expand_end_stmt_expr, expand_expr_stmt_value,
8646         expand_return, expand_start_case,
8647         optimize_tail_recursion): Likewise.
8648         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8649         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
8650
8651 2004-07-14  Ben Elliston  <bje@au.ibm.com>
8652
8653         * vec.h: Comment fix.
8654
8655 2004-07-13  Richard Henderson  <rth@redhat.com>
8656
8657         * target.h (struct gcc_target): Add calls.pass_by_reference.
8658         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
8659         * function.c (pass_by_reference): Use the hook.
8660         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
8661         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
8662         (hook_pass_by_reference_must_pass_in_stack): New.
8663         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
8664         (alpha_pass_by_reference): New.
8665         (TARGET_PASS_BY_REFERENCE): New.
8666         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8667         * config/arc/arc.c (arc_pass_by_reference): New.
8668         (TARGET_PASS_BY_REFERENCE): New.
8669         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8670         (FUNCTION_ARG_CALLEE_COPIES): True.
8671         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
8672         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
8673         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
8674         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8675         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8676         * config/cris/cris.c (cris_pass_by_reference): New.
8677         (TARGET_PASS_BY_REFERENCE): New.
8678         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
8679         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
8680         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8681         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
8682         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8683         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
8684         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
8685         (frv_function_arg_pass_by_reference): Remove.
8686         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8687         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
8688         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
8689         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
8690         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8691         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
8692         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
8693         (ia64_pass_by_reference): Rename from
8694         ia64_function_arg_pass_by_reference.
8695         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8696         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8697         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
8698         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
8699         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
8700         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8701         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8702         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
8703         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
8704         (m32r_pass_by_reference): Adjust prototype.  Make static.
8705         Handle mode sizes correctly.
8706         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8707         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
8708         (m68hc11_function_arg_pass_by_reference): Remove.
8709         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8710         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8711         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
8712         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8713         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
8714         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
8715         (mips_va_arg): Use pass_by_reference.
8716         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
8717         Handle mode sizes correctly.
8718         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8719         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8720         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
8721         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
8722         (mmix_pass_by_reference): Rename from
8723         mmix_function_arg_pass_by_reference.
8724         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8725         (FUNCTION_ARG_CALLEE_COPIES): True.
8726         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
8727         (mn10300_pass_by_reference): New.
8728         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8729         (FUNCTION_ARG_CALLEE_COPIES): True.
8730         * config/pa/pa.c (pa_pass_by_reference): New.
8731         (TARGET_PASS_BY_REFERENCE): New.
8732         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8733         (FUNCTION_ARG_CALLEE_COPIES): True.
8734         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
8735         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
8736         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
8737         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8738         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
8739         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
8740         (s390_pass_by_reference): Rename from
8741         s390_function_arg_pass_by_reference.
8742         (s390_function_arg_advance): Don't query pass-by-ref.
8743         (s390_function_arg): Likewise.
8744         (s390_gimplify_va_arg): Use pass_by_reference.
8745         (s390_call_saved_register_used): Likewise.
8746         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8747         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
8748         (shcompact_byref, sh_pass_by_reference): New.
8749         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8750         (SHCOMPACT_BYREF): Remove.
8751         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
8752         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
8753         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
8754         (sparc_gimplify_va_arg): Use pass_by_reference.
8755         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8756         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8757         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
8758         (v850_pass_by_reference): New.
8759         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8760         (FUNCTION_ARG_CALLEE_COPIES): True.
8761         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
8762         FUNCTION_ARG_PASS_BY_REFERENCE docs.
8763
8764 2004-07-14  Richard Henderson  <rth@redhat.com>
8765             Richard Sandiford  <rsandifo@redhat.com>
8766
8767         * config/mips/mips-protos.h (mips_va_arg): Delete.
8768         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
8769         * config/mips/mips.c: Include tree-gimple.h.
8770         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
8771         (mips_arg_info): Remove special handling of must_pass_in_stck args.
8772         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
8773         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
8774
8775 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
8776
8777         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
8778         arguments for COND_EXPR in big-endian adjustment code.
8779
8780 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8781
8782         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
8783         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
8784         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
8785         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
8786
8787 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8788
8789         PR tree-optimization/16443
8790         * tree-ssa-alias.c: Add more description for
8791         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
8792         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
8793         clobbering of call-clobbered and addressable variables.  If
8794         there are any before aliases have been computed, add them.
8795
8796 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8797
8798         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
8799         verification.
8800
8801 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
8802
8803         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
8804         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
8805         to the same type.
8806
8807 2004-07-13  Per Bothner  <per@bothner.com>
8808
8809         * collect2.c (main):  Handle --no-demangle and --demangle flags.
8810
8811 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
8812
8813         * Makefile.in (OBJS-common): Add tree-data-ref.o.
8814         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
8815         (tree-data-ref.o): New rule.
8816         * lambda.h: New file.
8817         * tree-data-ref.c: New file.
8818         * tree-data-ref.h: New file.
8819         * tree.c (int_cst_value, tree_fold_gcd): New functions.
8820         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
8821
8822 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8823
8824         PR target/13926
8825         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
8826         * config/sparc/sparc.c (output_ubranch): New function.
8827         * config/sparc/sparc.md (jump pattern): Use it.
8828
8829 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8830
8831         PR target/16494
8832         * config/sparc/sparc.c (output_cbranch): Properly guard
8833         the code handling far branches with TARGET_V9.
8834         * config/sparc/sparc.md (length attribute): Document the
8835         side-effect of having a length greater or equal to 3.
8836
8837 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8838             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
8839
8840         PR target/15186
8841         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
8842         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
8843
8844 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8845             Martin Sebor  <sebor@roguewave.com>
8846
8847         PR target/12602
8848         * doc/invoke.texi (SPARC options): Document -threads
8849         and -pthreads on Solaris.
8850
8851 2004-07-13  Richard Henderson  <rth@redhat.com>
8852
8853         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
8854         by reference.
8855         (ind_gimplify_va_arg_expr): Remove.
8856         * tree.h (ind_gimplify_va_arg_expr): Remove.
8857         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
8858         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
8859         argsp to be null.
8860
8861         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
8862         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
8863         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
8864         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
8865         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
8866
8867 2004-07-13  Richard Henderson  <rth@redhat.com>
8868
8869         * function.c (pass_by_reference): New.
8870         (assign_parm_find_data_types): Use it.
8871         * calls.c (initialize_argument_information): Likewise.
8872         (emit_library_call_value_1): Likewise.
8873         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8874         * function.h (pass_by_reference): Declare.
8875
8876 2004-07-13  Richard Henderson  <rth@redhat.com>
8877
8878         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
8879         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
8880         * expr.h (MUST_PASS_IN_STACK): Remove.
8881         * system.h (MUST_PASS_IN_STACK): Poison.
8882         * tree.h (must_pass_in_stack_var_size): Declare.
8883         (must_pass_in_stack_var_size_or_pad): Declare.
8884         * calls.c (must_pass_in_stack_var_size): New.
8885         (must_pass_in_stack_var_size_or_pad): Rename from
8886         default_must_pass_in_stack.
8887         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
8888         (TARGET_MUST_PASS_IN_STACK): New.
8889         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
8890         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
8891         (TARGET_MUST_PASS_IN_STACK): New.
8892         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
8893         * config/frv/frv.c (frv_must_pass_in_stack): New.
8894         (TARGET_MUST_PASS_IN_STACK): New.
8895         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
8896         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
8897         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
8898         (ix86_must_pass_in_stack): Make static.
8899         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
8900         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
8901         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
8902         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
8903         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
8904         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
8905         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
8906         (mcore_must_pass_on_stack): Remove.
8907         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
8908         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
8909         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
8910         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
8911         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
8912         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
8913         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
8914         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
8915         (TARGET_MUST_PASS_IN_STACK): New.
8916         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
8917         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
8918         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
8919         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
8920         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
8921         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
8922         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
8923         MUST_PASS_IN_STACK.
8924
8925         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
8926         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
8927         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
8928         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
8929         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
8930         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
8931         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
8932         config/xtensa/xtensa.c: Use target hook.
8933
8934 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
8935
8936         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
8937         * configure: Rebuilt.
8938
8939 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8940
8941         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
8942         * config/mips/mips.h (mips_reg_names): Don't declare.
8943         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
8944         (TARGET_NAME_REGS): Delete.
8945         (TARGET_SWITCHES): Remove -mrnames.
8946         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
8947         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
8948         in REGISTER_NAMES.
8949         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
8950         (override_options): Remove handling of TARGET_NAME_REGS.
8951
8952 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8953
8954         * config/mips/mips.h (TARGET_*): Boolify.
8955
8956 2004-07-12  Nick Clifton  <nickc@redhat.com>
8957
8958         * config.gcc: Add sh-*-symbianelf target.
8959         * config/sh/sh.c: Add new target macros:
8960         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
8961         TARGET_CXX_IMPORT_EXPORT_CLASS.
8962         (sh_file_start): Create a definition of the .directive section.
8963         (sh_attribute): Add dllimport and dllexport attributes.
8964         * config/sh/symbian-pre.h: New file.
8965         * config/sh/symbian-post.h: New file.
8966         * config/sh/symbian.c: New file. Contains Symbian specific
8967         functions.
8968         * config/sh/sh-protos.h: Add prototypes for new functions
8969         provided by symbian.c.
8970         * config/sh/t-symbian: New file.
8971         * doc/extend.texi: Document support for dllimport and dllexport
8972         attributes by the sh-symbianelf target.
8973
8974 2004-07-12  James E Wilson  <wilson@specifixinc.com>
8975
8976         * Makefile.in (AR): Use @AR@ not ar.
8977         (NM): New.
8978         (AR_FOR_TARGET): Use $(AR) not ar for native.
8979         (NM_FOR_TARGET): Use $(NM) not nm for native.
8980         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
8981         * configure: Regenerate.
8982
8983 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
8984
8985         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
8986         special case.
8987         (ashldi3_sp64): Likewise.
8988
8989 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8990
8991         PR target/16477
8992         * pa.c (function_arg): Update comment.
8993         * pa.h (BLOCK_REG_PADDING): Define.
8994
8995 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8996
8997         PR tree-optimization/16461
8998         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
8999         arguments of phi nodes.
9000
9001 2004-07-12  Devang Patel  <dpatel@apple.com>
9002
9003         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
9004
9005 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
9006
9007         * function.c (expand_function_start): Ensure r_save is in Pmode.
9008         * calls.c (prepare_call_address): Ensure static_chain_value is
9009         in Pmode.
9010         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
9011         r_save_area are in Pmode.
9012         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
9013         fnaddr, and static_chain are in Pmode.
9014
9015 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
9016
9017         PR target/16445
9018         * config/ia64/ia64.c (bundling): Don't count ignored insns.
9019
9020 2004-07-12  Richard Henderson  <rth@redhat.com>
9021
9022         * target.h (struct gcc_target): Move gimplify_va_arg_expr
9023         next to build_builtin_va_list.
9024         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
9025         * builtins.c (gimplify_va_arg_expr): Likewise.
9026         * gimplify.c (copy_if_shared_r): Likewise.
9027
9028 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
9029
9030         * passes.c (rest_of_decl_compilation): Don't defer call of
9031         assemble_variable if its DECL_RTL is already set.
9032
9033 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
9034
9035         * cfgloop.h (struct loop): Add nb_iterations field.
9036         (current_loops): Declare.
9037         * tree-chrec.c (chrec_not_analyzed_yet,
9038         chrec_dont_know, chrec_known, count_ev_in_wider_type,
9039         chrec_contains_symbols_defined_in_loop): Remove the temporary
9040         hooks.
9041         * tree-flow-inline.h (loop_containing_stmt): New function.
9042         * tree-scalar-evolution.c: Add implementation.
9043         * tree-scalar-evolution.h: Add declarations.
9044
9045 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
9046
9047         PR rtl-optimization/15921
9048         * Makefile.in (global.o): Add recog.h.
9049
9050         * global.c (recog.h): Add the include-clause.
9051         (bb_info): New member earlyclobber.
9052         (allocate_bb_info, free_bb_info): Initialize/finish the new
9053         member.
9054         (earlyclobber_regclass, earlyclobber_regclass_length): The new
9055         global variables.
9056         (check_earlyclobber, regclass_intersect,
9057         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
9058         New functions.
9059         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
9060         (make_accurate_live_analysis): Modify pavin.
9061
9062 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
9063
9064         * tree-cfg.c (find_taken_edge): Statically compute the truth
9065         value of a predicate comparing an SSA_NAME to itself.
9066
9067 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9068
9069         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
9070         rs6000 doesn't have shift-and-add or shift-and-sub instructions
9071         by returning the cost of a multiplication plus an addition.
9072
9073 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
9074
9075         PR tree-optimization/14107
9076         * gimplify.c (gimplify_return_expr): Accept a
9077         RETURN_EXPR with an error argument.
9078         * tree-optimize.c (init_tree_optimization_passes):
9079         Run pass_warn_function_return at -O0.
9080
9081 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9082
9083         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
9084         index entry.
9085
9086 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
9087
9088         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
9089         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9090         * config/mips/3000.md: Add copyright notice.  Remove automota and
9091         function units; use generic ones instead.  Only define reservations
9092         for things that are different from generic.md.  Extend each clause
9093         to include r3900.
9094         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
9095         * config/mips/mips.md: Include them. Remove define_function_units.
9096         (alu, imuldiv): New automata and units.
9097
9098 2004-07-12  Ben Elliston  <bje@au.ibm.com>
9099
9100         * doc/invoke.texi (Optimize Options): Document -frename-registers
9101         not being enabled by default at -O3.
9102
9103 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9104
9105         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
9106         floating point additions, to keep real immediate constant positive.
9107         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
9108         into X + C, and leave positive real constants as X - C.
9109
9110 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9111
9112         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
9113
9114 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9115
9116         PR tree-optimization/15654
9117         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
9118
9119 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9120
9121         * builtins.c (fold_builtin_fputs): Don't bother converting the
9122         return type to integer_type_node, as we've already checked that
9123         the result will be ignored.
9124
9125         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
9126         that signed addition, subtraction, multiplication, division,
9127         remainder, negation and absolute value may potentially trap.
9128
9129         * fold-const.c (fold_ignored_result): New function to strip
9130         non-side-effecting tree nodes from an expression whose result
9131         is ignored.
9132         (fold_convert): Call fold_ignored_result when casting a value
9133         to VOID_TYPE.
9134         (omit_one_operand):  Call fold_ignored_result on the "omitted"
9135         operand when building a COMPOUND_EXPR.
9136         (pedantic_omit_one_operand): Likewise.
9137         * tree.h (fold_ignored_result): Prototype here.
9138         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
9139         when we're going to ignore the result.
9140
9141 2004-07-11  Richard Henderson  <rth@redhat.com>
9142
9143         PR tree-opt/16383
9144         * tree-ssa-ccp.c (fold_stmt_r): Split out...
9145         * tree.c (fields_compatible_p, find_compatible_field): ... new.
9146         * tree.h (fields_compatible_p, find_compatible_field): Declare.
9147         * tree-sra.c (sra_hash_tree): Hash fields by offset.
9148         (sra_elt_eq): Use fields_compatible_p.
9149         (generate_one_element_ref): Use find_compatible_field.
9150
9151 2004-07-11  Richard Henderson  <rth@redhat.com>
9152
9153         PR tree-opt/16422
9154         * tree-sra.c (generate_one_element_init): New.
9155         (generate_element_init): Use it.
9156         (scalarize_init): Push/pop gimplify context around it.
9157         (find_new_referenced_vars_1, find_new_referenced_vars): New.
9158         * gimplify.c (gimplify_expr): Allow SSA_NAME.
9159
9160 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9161
9162         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
9163         combine.c's combine_insn_cost.
9164         * rtl.h (insn_rtx_cost): Prototype here.
9165         * combine.c (combine_insn_cost): Delete function.
9166         (combine_validate_cost): Update callers of combine_insn_cost to
9167         call insn_rtx_cost instead.
9168         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
9169         requesting the rtx_cost of call and/or jump instructions.
9170
9171         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
9172         rtx_cost directly.  Don't request/use the cost of call or jump
9173         instructions.  Return -1 if the cost of any instruction can't be
9174         determined (or the BB contains a function call).
9175         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
9176         -1 (i.e. can't determine the cost of any instruction or the basic
9177         block contains a subroutine call).
9178         (find_if_case_2): Likewise.
9179
9180 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9181
9182         * rs6000.c (struct processor_costs): Change semantics of fields to
9183         include the COST_N_INSNS scaling, and update all initializers.
9184         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
9185         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
9186         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
9187         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
9188
9189 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9190
9191         * LANGUAGES: Remove obsolete information.
9192
9193 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9194
9195         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
9196         SIGBUS signal frames, the PSW address points *to* the faulting
9197         instruction, not after it.
9198
9199 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9200
9201         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
9202         added to TLS symbol addresses.
9203
9204 2004-07-11  Richard Henderson  <rth@redhat.com>
9205
9206         * expmed.c (init_expmed): Use stack-local structures for
9207         temporary rtl.  Don't recognize shifts.
9208
9209 2004-07-11  Richard Henderson  <rth@redhat.com>
9210
9211         * expr.c (store_expr): Don't fiddle subreg promotion for types
9212         with precision smaller than the mode.
9213
9214 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9215
9216         * tree.h (all_types_permanent): Remove.
9217
9218 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9219
9220         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
9221         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
9222         * langhooks.c (lhd_clear_binding_stack): Remove.
9223         * langhooks-def.h (lhd_clear_binding_stack,
9224         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9225         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
9226         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
9227         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9228         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
9229         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9230         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
9231         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9232         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
9233         * tree.h (poplevel): Don't declare.
9234         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
9235         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9236         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
9237         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
9238         Remove.
9239
9240 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9241
9242         PR tree-optimization/16437
9243         * c-common.c (shorten_compare): Don't mark result of conversion to
9244         narrower signed type as overflowing.
9245         * fold-const.c (decode_field_reference): Determine whether
9246         signedness comes from outer type using precision rather than size.
9247
9248 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9249
9250         * configure.ac:  Alphabetize --enable-checking list, add
9251         missing valgrind entry.
9252         * configure:  Regenerate.
9253
9254 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9255
9256         * doc/install.texi (Testing):  Fix syntax in "make check" example.
9257
9258 2004-07-10  James E Wilson  <wilson@specifixinc.com>
9259
9260         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
9261
9262 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9263
9264         PR rtl-optimization/16001
9265         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
9266         niter_expr.
9267
9268 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
9269
9270         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
9271
9272 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
9273             James Morrison  <phython@gcc.gnu.org>
9274
9275         * doc/contrib.texi (Contributors): Add gfortran contributors and
9276         fix a couple of typos.
9277
9278 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9279
9280         PR rtl-optimization/15387
9281         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
9282         to incoming args space correctly.
9283
9284 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9285
9286         * pa.c (output_indirect_call): Only use %r2 as the link register in
9287         indirect calls with the long PA 2.0 pc-relative branch.
9288
9289 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
9290
9291         * config/i386/i386.c (override_options): Pick a 64-bit CPU
9292         for the default tuning if TARGET_64BIT.
9293
9294 2004-07-10  Richard Henderson  <rth@redhat.com>
9295
9296         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
9297         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
9298
9299 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
9300
9301         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
9302         * expmed.c (store_bit_field, extract_bit_field): Remove last
9303         argument.
9304         * builtins.c (expand_builtin_signbit): Adjust callers.
9305         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
9306         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
9307         * ifcvt.c (noce_emit_move_insn): Likewise.
9308         * stmt.c (expand_return): Likewise.
9309         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
9310         store_field, expand_expr_real_1): Likewise.
9311
9312 2004-07-10  Richard Henderson  <rth@redhat.com>
9313
9314         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
9315
9316 2004-07-09  Mike Stump  <mrs@apple.com>
9317
9318         * config/darwin.c (no_dead_strip): Add.
9319         (HAVE_DEAD_STRIP): Add.
9320         (darwin_emit_unwind_label): Ensure that we don't dead code strip
9321         the .eh label.
9322
9323 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9324
9325         * tree-ssa-loop-im.c: New file.
9326         * Makefile.in (tree-ssa-loop-im.o): Add.
9327         * cfgloop.c (superloop_at_depth): New function.
9328         * cfgloop.h (superloop_at_depth): Declare.
9329         * common.opt (ftree-lim): New flag.
9330         * expr.c (array_ref_up_bound): New function.
9331         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
9332         * timevar.def (TV_LIM): New timevar.
9333         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
9334         computing immediate uses of a phi node.
9335         * tree-flow.h (struct tree_ann_common_d): Add aux field.
9336         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
9337         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
9338         * tree-pass.h (pass_lim): Declare.
9339         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
9340         functions.
9341         (pass_lim): New pass structure.
9342         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
9343         * tree.c (in_array_bounds_p): New function.
9344         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
9345         (in_array_bounds_p, array_ref_up_bound): Declare.
9346         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
9347         * doc/passes.texi (tree-ssa-loop-im.c): Document.
9348
9349 2004-07-09  Richard Henderson  <rth@redhat.com>
9350
9351         * builtins.c (expand_builtin_stpcpy): Don't modify len.
9352
9353         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
9354         with prejudice.
9355
9356 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
9357
9358         * flags.h: Delete redundant prototypes that are being generated
9359         in options.h from common.opt.
9360         * common.opt: Add in the expository comments formerly in flags.h.
9361
9362 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9363
9364         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
9365         available for use only when TARGET_MMX/_SSE is set, and check for
9366         variable argument function if any register count is non-zero.
9367         (function_arg): Correctly suppress repeated warnings for passing SSE
9368         vectors are arguments without SSE enabled.
9369         (ix86_function_arg_boundary): Without SSE enabled, the use of what
9370         would be SSE register modes does no longer influence the alignment.
9371
9372 2004-07-09  Richard Henderson  <rth@redhat.com>
9373
9374         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
9375         Always align upward to arg boundary.  Use size_in_bytes/round_up.
9376         Maintain type-correctness of constants.
9377         * stor-layout.c (round_up, round_down): Special-case powers of 2.
9378
9379 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9380
9381         * config/sparc/sparc.c (*_costs): Scale instruction costs
9382         by COSTS_N_INSNS.
9383         (sparc_rtx_costs): Adjust as appropriate.
9384
9385 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9386
9387         * config/i386/mm3dnow.h: New.
9388         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
9389
9390 2004-07-09  Richard Henderson  <rth@redhat.com>
9391
9392         * simplify-rtx.c (simplify_const_relational_operation): Only
9393         look at bounds of scalar integers.
9394
9395 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9396
9397         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
9398
9399 2004-07-09  Andrew Pinski  <apinski@apple.com>
9400
9401         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
9402         always referenced.
9403         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
9404         UOBJC_METACLASS_decl.
9405
9406 2004-07-09  James E Wilson  <wilson@specifixinc.com>
9407
9408         PR target/16364
9409         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
9410         do return a parallel if hfa_mode == XFmode and mode == TImode.
9411
9412 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9413
9414         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
9415         permissible for unary plus.
9416
9417 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9418
9419         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
9420         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
9421         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
9422         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
9423         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
9424         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
9425         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
9426         (BUILTIN_xxxIMAX): New.
9427         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
9428         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
9429         BUILT_IN_PARITYIMAX.
9430
9431 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9432
9433         * config/sparc/sparc.h (processor_costs): Define.
9434         (sparc_costs): Declare.
9435         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
9436         hypersparc_costs, sparclet_costs, ultrasparc_costs,
9437         ultrasparc3_costs): New.
9438         (sparc_override_options): Set sparc_costs as appropriate.
9439         (sparc_rtx_costs): Use sparc_costs instead of messy
9440         conditionals.
9441
9442 2004-07-09  Steven Bosscher  <stevenb@suse.de>
9443
9444         * doc/md.texi (Processor pipeline description): Mention that
9445         the old pipeline description is deprecated.
9446
9447         * config/rs6000/7450.md (automaton ppc7450): Split up, move
9448         mciu_7450 function unit to...
9449         (automaton ppc7450mciu): ...new automaton.
9450
9451         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
9452         (schedule_block): Don't consider inserting bubbles.
9453         (sched_init): Don't initialize DFA bubbles.
9454         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
9455         TARGET_SCHED_DFA_BUBBLE): Remove.
9456         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
9457         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
9458         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
9459
9460         * stmt.c (conditional_context): Remove prototype.
9461         * tree.h (conditional_context): Remove.
9462         * tree-cfg.c (pre_insert_on_edge): Remove.
9463
9464         * c-common.h (c_expand_asm_operands): Remove prototype.
9465         * c-typeck.c (c_expand_asm_operands): Remove.
9466
9467 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9468
9469         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
9470         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
9471         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
9472         and V8QI are class SSE. All sufficiently small remaining vector modes
9473         must be passed in one or two integer registers.
9474         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
9475         returned in memory.
9476         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
9477         __builtin_ia32_pmuludq128 have non-uniform argument and return types
9478         and must thus be handled explicitly.
9479         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
9480         MMX and XMM regs.
9481         (movv8qi_internal, movv4hi_internal, movv2si_internal,
9482         movv2sf_internal): Permit moving between MMX and XMM registers (since
9483         MMX areguments and return values are passed in XMM registers).
9484         (sse2_umulsidi3): Correct type and mode.
9485
9486 2004-07-09  Richard Henderson  <rth@redhat.com>
9487
9488         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
9489
9490 2004-07-09  Eric Christopher  <echristo@redhat.com>
9491
9492         * config/rs6000/40x.md: Split into two automatons.
9493
9494 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9495             Andrew Pinski  <apinski@apple.com>
9496
9497         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
9498         on when we have more than one input file.
9499         (c_common_parse_file): Restore loop over all input files.
9500         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
9501
9502         * c-decl.c (set_type_context): New function.
9503         (pop_scope): Use it to set context of types.  When we
9504         encounter a TYPE_DECL, set the context of the attached type too.
9505         (pop_file_scope): Don't call cpp_undef_all here.
9506         (diagnose_mismatched_decls): Do not complain about a second
9507         definition of an 'extern inline' function if it's not in the
9508         same translation unit.  Do not complain about inline
9509         declaration after use if the use was in a different
9510         translation unit.
9511         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
9512         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
9513         the external scope.
9514         (pushdecl_top_level): Likewise.
9515         (grokdeclarator): Clarify what is going on with setting
9516         DECL_EXTERNAL on function types, a little.
9517         (c_write_global_declarations): Don't do anything if
9518         -fsyntax-only or errors have been encountered.
9519
9520 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9521
9522         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
9523
9524 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9525
9526         PR target/16459
9527         * pa.c (output_indirect_call): Use %r2 as the link register when
9528         calling $$dyncall with a pc-relative branch.
9529
9530 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
9531
9532         * doc/install.texi (Binaries): Mention OpenPKG.
9533
9534 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
9535
9536         Fix PR tree-optimization/15555
9537         * tree-dfa.c (dump_variable): If the variable is a pointer
9538         SSA_NAME, also dump its points-to information.
9539         * tree-flow.h (struct ptr_info_def): Add field
9540         is_dereferenced.
9541         (dump_points_to_info_for): Declare.
9542         (debug_points_to_info_for): Declare.
9543         * tree-optimize.c (init_tree_optimization_passes): Add a
9544         second alias analysis pass after DOM2.
9545         Move pass_del_pta to a later spot.
9546         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
9547         create a name tags when we find a dereferenced pointer.  Just
9548         mark the pointer dereferenced.
9549         (collect_points_to_info_for): Move code to clear points-to
9550         information to create_name_tags.
9551         (create_name_tags): New function.
9552         (compute_flow_sensitive_aliasing): Call it.
9553         (setup_pointers_and_addressables): Mark type tags for renaming
9554         here instead of ...
9555         (create_memory_tag): ... here.
9556         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
9557         (dump_points_to_info_for): Declare extern.
9558         (debug_points_to_info_for): New function.
9559
9560 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
9561
9562         * config/arc/arc.md: Switch to DFA-based scheduler description.
9563         * config/arc/arc.c: Switch to DFA-based scheduler description.
9564
9565 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9566
9567         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
9568         pointer.
9569
9570 2004-07-09  Richard Henderson  <rth@redhat.com>
9571
9572         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
9573         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9574         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
9575         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9576
9577         * config/v850/v850-protos.h (v850_va_arg): Remove.
9578         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9579         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
9580         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
9581         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
9582         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
9583
9584 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9585
9586         PR target/12133
9587         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
9588         and DImode to use +/-4k offset.
9589
9590 2004-07-09  Richard Henderson  <rth@redhat.com>
9591
9592         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
9593         Remove.
9594         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9595         (xstormy16_gimplify_va_arg_expr): Rewrite from
9596         xstormy16_expand_builtin_va_arg.
9597         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
9598
9599         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
9600         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
9601
9602         * config/sh/sh-protos.h (sh_va_arg): Remove.
9603         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9604         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
9605         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
9606
9607         * config/pa/pa-protos.h (hppa_va_arg): Remove.
9608         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9609         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
9610         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9611
9612         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
9613         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9614         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
9615         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
9616
9617 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9618
9619         * config/sparc/sparc.md (return): Rewrite length formula.
9620         * config/sparc/sparc.c (output_return): Pass 1 as 5th
9621         argument to final_scan_insn when in a delay slot.
9622         (output_sibcall): Likewise.
9623
9624 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9625
9626         * arm.c (arm_cpp_interwork): New variable.
9627         (arm_override_options): Set it if TARGET_INTERWORK was on the command
9628         line.
9629         * arm.h (arm_cpp_interwork): Declare it.
9630         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
9631         __THUMB_INTERWORK__ in the preprocessor.
9632
9633 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
9634
9635         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
9636
9637 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9638
9639         PR target/16416
9640         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
9641         Override default settings to account for -m32 and -m64.
9642
9643 2004-07-08  Randolph Chung  <tausq@debian.org>
9644
9645         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
9646
9647 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
9648
9649         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
9650         before comparing it as such.
9651
9652 2004-07-08  Richard Henderson  <rth@redhat.com>
9653
9654         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
9655         temporary.  Use bit arithmetic to align.
9656
9657 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
9658
9659         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
9660         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
9661         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
9662         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
9663         add_labels_and_missing_jumps, find_jump_block,
9664         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
9665         Likewise.
9666         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
9667         link_btr_uses, move_btr_def): Likewise.
9668         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
9669         expand_builtin_expect_jump): Likewise.
9670         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
9671         * calls.c (expand_call, emit_library_call_value_1): Likewise.
9672         * cfganal.c (forwarder_block_p): Likewise.
9673         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
9674         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
9675         find_bb_boundaries): Likewise.
9676         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9677         merge_blocks_move_predecessor_nojumps,
9678         merge_blocks_move_successor_nojumps, insns_match_p,
9679         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
9680         try_optimize_cfg): Likewise.
9681         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
9682         * cfglayout.c (skip_insns_after_block, label_for_bb,
9683         record_effective_endpoints, insn_locators_initialize,
9684         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
9685         * cfgmainloop.c (create_loop_notes): Likewise.
9686         * cfgrtl.c (delete_insn, delete_insn_chain,
9687         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
9688         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
9689         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
9690         redirect_branch_edge, force_nonfallthru_and_redirect,
9691         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
9692         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
9693         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
9694         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
9695         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
9696         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
9697         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
9698         * combine.c (combine_instructions, can_combine_p, try_combine,
9699         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
9700         distribute_notes, distribute_links, insn_cuid): Likewise.
9701         * cse.c (fold_rtx, cse_insn, cse_around_loop,
9702         invalidate_skipped_block, cse_set_around_loop,
9703         cse_end_of_basic_block, cse_main, cse_basic_block,
9704         cse_condition_code_reg): Likewise.
9705         * cselib.c (cselib_process_insn): Likewise.
9706         * ddg.c (create_ddg): Likewise.
9707         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
9708         Likewise.
9709         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
9710         gen_label_die, dwarf2out_var_location): Likewise.
9711         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
9712         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
9713         last_call_insn, active_insn_p, next_label, prev_label,
9714         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
9715         add_insn_before, remove_insn, add_function_usage_to,
9716         reorder_insns, find_line_note, remove_unnecessary_notes,
9717         emit_insn_after_1, classify_insn): Likewise.
9718         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
9719         connect_post_landing_pads, sjlj_mark_call_sites,
9720         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
9721         can_throw_internal, can_throw_external, set_nothrow_function_flags,
9722         convert_to_eh_region_ranges): Likewise.
9723         * explow.c (optimize_save_area_alloca): Likewise.
9724         * expr.c (expand_expr_real): Likewise.
9725         * final.c (insn_current_reference_address, compute_alignments,
9726         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
9727         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
9728         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
9729         propagate_block_delete_insn, propagate_one_insn,
9730         init_propagate_block_info, propagate_block, libcall_dead_p,
9731         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
9732         Likewise.
9733         * function.c (instantiate_virtual_regs, reorder_blocks_1,
9734         expand_function_start, expand_function_end, contains,
9735         thread_prologue_and_epilogue_insns,
9736         reposition_prologue_and_epilogue_notes): Likewise.
9737         * gcse.c (constprop_register, bypass_conditional_jumps,
9738         insert_insn_end_bb, gcse_after_reload): Likewise.
9739         * genemit.c (gen_expand, gen_split): Likewise.
9740         * genpeep.c (gen_peephole, main): Likewise.
9741         * global.c (build_insn_chain): Likewise.
9742         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
9743         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
9744         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
9745         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
9746         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
9747         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
9748         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
9749         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
9750         dead_or_predicable): Likewise.
9751         * integrate.c (try_constants): Likewise.
9752         * jump.c (rebuild_jump_labels, cleanup_barriers,
9753         purge_line_number_notes, init_label_info, mark_all_labels,
9754         squeeze_notes, get_label_before, get_label_after,
9755         reversed_comparison_code_parts, simplejump_p, pc_set,
9756         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
9757         delete_barrier, delete_prior_computation, delete_computation,
9758         delete_related_insns, delete_for_peephole, redirect_jump):
9759         Likewise.
9760         * lcm.c (optimize_mode_switching): Likewise.
9761         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
9762         Likewise.
9763         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
9764         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
9765         * loop-iv.c (simplify_using_assignment): Likewise.
9766         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
9767         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
9768         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
9769         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
9770         check_insn_for_givs, check_final_value, update_giv_derive,
9771         basic_induction_var, product_cheap_p, check_dbra_loop,
9772         loop_insn_first_p, last_use_this_basic_block,
9773         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
9774         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
9775         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
9776         sms_schedule_by_order): Likewise.
9777         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
9778         * postreload.c (reload_cse_simplify_operands, reload_combine,
9779         reload_cse_move2add): Likewise.
9780         * predict.c (can_predict_insn_p, estimate_probability,
9781         expected_value_to_br_prob, process_note_predictions): Likewise.
9782         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
9783         * profile.c (branch_prob): Likewise.
9784         * ra-build.c (live_out_1, livethrough_conflicts_bb,
9785         detect_webs_set_in_cond_jump): Likewise.
9786         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
9787         ra_print_rtl_with_bb): Likewise.
9788         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
9789         * recog.c (next_insn_tests_no_inequality, find_single_use,
9790         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
9791         * reg-stack.c (next_flags_user, record_label_references,
9792         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
9793         compensate_edge, convert_regs_1): Likewise.
9794         * regclass.c (scan_one_insn): Likewise.
9795         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9796         regmove_optimize, fixup_match_1, single_set_for_csa,
9797         combine_stack_adjustments_for_block): Likewise.
9798         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
9799         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
9800         find_equiv_reg): Likewise.
9801         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
9802         reload_as_needed, emit_input_reload_insns, do_output_reload,
9803         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
9804         Likewise.
9805         * reorg.c (find_end_label, emit_delay_sequence,
9806         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
9807         get_jump_flags, rare_destination, mostly_true_jump,
9808         try_merge_delay_insns, redundant_insn, own_thread_p,
9809         fill_simple_delay_slots, fill_slots_from_thread,
9810         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
9811         dbr_schedule): Likewise.
9812         * resource.c (find_basic_block, next_insn_no_annul,
9813         find_dead_or_set_registers, mark_target_live_regs): Likewise.
9814         * rtl.h (RTX_PREV): Likewise.
9815         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
9816         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
9817         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
9818         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
9819         tablejump_p, computed_jump_p, insns_safe_to_move_p,
9820         find_first_parameter_load, can_hoist_insn_p): Likewise.
9821         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
9822         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
9823         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
9824         schedule_ebbs): Likewise.
9825         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
9826         is_conditionally_protected, can_schedule_ready_p,
9827         add_branch_dependences, debug_dependencies): Likewise.
9828         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
9829         Likewise.
9830         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
9831         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
9832         set_dominates_use, ujump_to_loop_cont): Likewise.
9833         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
9834         * varasm.c (output_constant_pool_1): Likewise.
9835
9836 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9837
9838         * tree-scalar-evolution.c: New file.
9839         * tree-scalar-evolution.h: New file.
9840         * tree-ssa-loop-niter.c: New file.
9841         * Makefile.in (SCEV_H): New.
9842         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
9843         * cfgloop.h (struct loop): Add bounds field.
9844         * tree-flow.h (struct tree_niter_desc): New type.
9845         (number_of_iterations_cond, number_of_iterations_exit,
9846         loop_niter_by_eval, find_loop_niter_by_eval,
9847         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
9848         free_numbers_of_iterations_estimates): Declare.
9849         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
9850         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
9851         * doc/invoke.texi (max-iterations-to-track): Document.
9852
9853 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
9854
9855         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
9856         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
9857         (MODE_AFTER): Add cast appropriately.
9858         * config/sh/sh.md (movdi splitter): Likewise.
9859         (casesi_worker_2): Add const qualifier appropriately.
9860         (eh_return): Remove unused variable.
9861         (insv): Initialize v;
9862
9863 2004-07-08  Richard Henderson  <rth@redhat.com>
9864
9865         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
9866         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9867         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
9868         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
9869         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
9870
9871         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
9872         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9873         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
9874         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
9875
9876         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
9877         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9878         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
9879         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
9880
9881         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
9882         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9883         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
9884         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
9885
9886         * config/i860/i860-protos.h (i860_va_arg): Remove.
9887         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9888         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
9889         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
9890
9891 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9892
9893         * system.h: Prototype getpagesize if missing.
9894         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
9895         * configure: Regenerate.
9896         * config.in: Regenerate.
9897
9898 2004-07-08  Richard Henderson  <rth@redhat.com>
9899
9900         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
9901         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9902         (fr30_gimplify_va_arg_expr): New.
9903         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
9904         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
9905
9906 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
9907
9908         PR target/16414
9909         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
9910         of asm_noperands result.
9911
9912 2004-07-08  Richard Henderson  <rth@redhat.com>
9913
9914         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
9915         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9916         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
9917         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
9918
9919 2004-07-08  Richard Henderson  <rth@redhat.com>
9920
9921         * builtins.c (ind_gimplify_va_arg_expr): New.
9922         * tree.h (ind_gimplify_va_arg_expr): Declare.
9923         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
9924
9925 2004-07-08  Jan Beulich  <jbeulich@novell.com>
9926
9927         * expmed.c (extract_bit_field): Correct condition to use vec_extract
9928         patterns also on vector elements other than the first one.
9929         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
9930         break statements.
9931
9932 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
9933
9934         * config/rs6000/darwin-ldouble.c: Correct reference
9935         to the Linnainmaa paper.
9936
9937 2004-07-08  Richard Henderson  <rth@redhat.com>
9938
9939         * config/arc/arc-protos.h (arc_va_arg): Remove.
9940         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9941         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
9942         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
9943
9944         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
9945         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9946         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
9947         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
9948
9949 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9950
9951         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
9952
9953 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9954
9955         * c-decl.c (static_ctors, static_dtors): Make static.
9956         (pop_file_scope): Call c_common_write_pch and
9957         cgraph_finalize_compilation_unit here.
9958         (build_cdtor): Moved here from c-objc-common.c; simplify.
9959         (c_write_global_declarations_1): Clarify comment.
9960         (c_write_global_declarations): Close the external scope before
9961         doing anything else.  Call build_cdtor, cgraph_optimize, and
9962         mudflap_finish_file here.
9963         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
9964         Clarify comment.
9965         * c-objc-common.c: No need to include cgraph.h.
9966         (build_cdtor): Moved to c-decl.c.
9967         (c_objc_common_finish_file): Delete.
9968         * c-tree.h: Update to match.
9969         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
9970         (generate_static_references): Set TREE_USED before calling finish_decl.
9971         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
9972         on the static_instances_decl.
9973
9974 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9975
9976         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
9977         decls when there is only one input translation unit.
9978         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
9979         change of 2004-07-05; do not treat declarations with
9980         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
9981         * opts.c (cur_in_fname): Delete.
9982         * opts.h: Likewise.
9983         * tree.c: Revert changes of 2004-07-05; no special treatment
9984         for TRANSLATION_UNIT_DECLs.
9985         * Makefile.in (tree.o): Update dependencies.
9986
9987 2004-07-08  Roger Sayle  <roger@eyesopen.com>
9988
9989         * builtins.c (fold_builtin_strcpy): Merge functionality from
9990         simplify_builtin_strcpy.  Add additional len argument.  No longer
9991         static.  Remove function prototype.
9992         (fold_builtin_strncpy): Likewise integrate functionality from
9993         simplify_builtin_strncpy.  Add additional slen argument.  No
9994         longer static.  Remove function prototype.
9995         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
9996         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
9997         types of "ignore" and "unlocked" parameters to bool.
9998         (fold_builtin_1):  Add additional ignore argument.  Call renamed
9999         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
10000         builtins.  Update arguments to fold_builtin_strncpy and
10001         fold_builtin_strcpy.  Add function prototype.
10002         (fold_builtin): Add additional Boolean ignore argument to pass
10003         to fold_builtin_1.
10004         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
10005         and fold_builtin_strncpy instead of simplify_builtin_fputs,
10006         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
10007
10008         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
10009         simplify_builtin_strncpy): Delete function prototypes.
10010         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
10011         fold_builtin_strncpy): Add function prototypes here.
10012         (fold_builtin): Update function prototype with new "bool ignore".
10013
10014         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
10015         (ccp_fold_builtin):  Update call to fold_builtin.  Call
10016         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
10017         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
10018         simplify_builtin_strncpy respectively.
10019         * fold-const.c (fold): Update call to fold_builtin.
10020
10021 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10022
10023         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
10024         to strcpy.
10025
10026         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
10027         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
10028         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
10029         * calls.c: Remove ifdefs of macros above.
10030         * functions.c: Likewise.
10031         * expr.c: Likewise.
10032
10033 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10034
10035         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
10036         (arch attribute): Delete.
10037         (current_function_calls_alloca attribute): Rename into calls_alloca.
10038         (calls_eh_return): New attribute.
10039         (leaf_function): Likewise.
10040         (length attribute): Fix formula for sibcalls.
10041         (return insn): Correctly compute the 'length' attribute.
10042         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
10043
10044 2004-07-08  Richard Henderson  <rth@redhat.com>
10045
10046         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
10047         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
10048         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
10049         * tree-eh.c (lower_eh_constructs_1): Likewise.
10050         * tree-sra.c (sra_walk_modify_expr): Likewise.
10051         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10052         (eliminate_unnecessary_stmts): Likewise.
10053         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10054         * tree-tailcall.c (optimize_tail_call): Likewise.
10055         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
10056
10057 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10058             Jakub Jelinek  <jakub@redhat.com>
10059
10060         * config/i386/i386.c (override_options): Enable
10061         SSE prefetches with -mtune, as long as we are
10062         compiling for i686 or higher.  All i686 processors
10063         accept SSE prefetches as NOPS, some i586's don't.
10064
10065 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10066
10067         PR target/10567
10068         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
10069
10070 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10071
10072         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
10073         the handling of clobbering ASM_EXPRs.
10074
10075 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10076
10077         PR target/16430
10078         * config/sparc/sparc.c (function_value): In 64-bit mode,
10079         return the aggregates larger than 16 bytes like unions.
10080
10081 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10082
10083         PR target/16199
10084         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
10085         'temp' is zero, generate new pseudos as needed and emit the
10086         sequence of insns in single-assignment form.  Resync comments
10087         with code.
10088         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
10089         function before reload.
10090
10091 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
10092
10093         * vec.c (vec_assert_fail): Remove duplicate 'function'.
10094
10095         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
10096
10097         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
10098         Allocation is signed.
10099         (VEC_reserve): Return flag, allocation is signed.
10100
10101 2004-07-08  Richard Henderson  <rth@redhat.com>
10102
10103         * tree-ssa-ccp.c (fold_stmt): Get type directly from
10104         OBJ_TYPE_REF_OBJECT.
10105
10106 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10107             Neil Booth  <neil@daikokuya.co.uk>
10108
10109         PR c/2511
10110         PR c/3325
10111         * c-decl.c (finish_struct): Ensure bit-fields are given the
10112         correct type.
10113         * c-common.c (c_common_signed_or_unsigned_type): For C, require
10114         the precision to match as well as the mode.
10115         * expr.c (reduce_to_bit_field_precision): New function.
10116         (expand_expr_real_1): Reduce expressions of bit-field type to
10117         proper precision.
10118         * langhooks.h (reduce_bit_field_operations): New hook.
10119         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10120         Define.
10121         * c-lang.c, objc/objc-lang.c
10122         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
10123         * objc/objc-act.c (check_ivars): Convert types to bit-field types
10124         before checking.
10125         * tree.c (build_nonstandard_integer_type): New function.
10126         * tree.h (build_nonstandard_integer_type): New prototype.
10127         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
10128         conversions between integer and boolean types as useless.
10129
10130 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10131
10132         * c-common.c (c_common_nodes_and_builtins): Do not
10133         create __builtin_ptrdiff_t and __builtin_size_t.
10134
10135 2004-07-08  Andrew Pinski  <apinski@apple.com>
10136
10137         * Makefile.in (libbackend.o): Add -combine to the gcc
10138         command line.
10139
10140 2004-07-08  Nick Clifton  <nickc@redhat.com>
10141
10142         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
10143         Set to -Os.
10144
10145 2004-07-08  Richard Henderson  <rth@redhat.com>
10146
10147         * except.c (expand_eh_region_start, expand_eh_region_end,
10148         expand_eh_handler, expand_eh_region_end_cleanup,
10149         expand_start_all_catch, expand_start_catch, expand_end_catch,
10150         expand_end_all_catch, expand_eh_region_end_allowed,
10151         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
10152         expand_eh_region_end_fixup): Remove.
10153         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
10154         cleanups, outer_cleanups, label_chain, exception_region.
10155         (struct goto_fixup): Remove stack_level, cleanup_list_list.
10156         (struct label_chain): Remove.
10157         (struct stmt_status): Remove x_stack_block_stack.
10158         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
10159         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
10160         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
10161         end_cleanup_deferral, last_cleanup_this_contour,
10162         containing_blocks_have_cleanups_or_stack_level,
10163         any_pending_cleanups): Remove.
10164         (expand_null_return_1): Take no arguments.
10165         (expand_label, expand_naked_return, expand_return,
10166         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
10167         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
10168         expand_end_case_type): Don't use any of them.
10169         * calls.c (expand_call): Likewise.
10170         * dojump.c (do_jump): Likewise.
10171         * function.c (expand_function_end): Likewise.
10172         * expr.c (store_expr, expand_expr_real_1): Likewise.
10173         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
10174         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
10175         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
10176         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
10177         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
10178         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
10179         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
10180         for WITH_CLEANUP_EXPR.
10181         (gimple_push_cleanup): Likewise.
10182         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
10183         * print-tree.c (print_node): Likewise.
10184         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
10185         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
10186         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
10187         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
10188         (GOTO_SUBROUTINE_EXPR): Remove.
10189         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
10190         (DECL_TOO_LATE): Remove.
10191         * except.h, tree.h: Update decls.
10192
10193 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10194
10195         * explow.c (optimize_save_area_alloca): Do not accept parameters.
10196         * passes.c (rest_of_handle_final): Handle symout.
10197         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
10198         Push timevar here.
10199         (rest_of_handle_sched): Break out SMS.  Remove ifs for
10200         flag_schedule_insns and flag_modulo_sched.
10201         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
10202         collect at the end.
10203         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
10204         (rest_of_handle_partition_blocks, rest_of_handle_sms,
10205         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
10206         rest_of_handle_mode_switching, rest_of_handle_jump,
10207         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
10208         rest_of_handle_jump2, rest_of_handle_postreload,
10209         rest_of_handle_flow2, rest_of_clean_state,
10210         rest_of_handle_shorten_branches,
10211         rest_of_handle_prologue_epilogue,
10212         rest_of_handle_branch_target_load_optimize): New.
10213         (rest_of_compilation): Call the above.  Remove ggc_collect
10214         calls moved to rest_of_handle_*.
10215         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
10216
10217         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
10218         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
10219         * except.h (set_nothrow_function_flags): Update comment.
10220         * function.c (current_function_nothrow): Remove.
10221         * output.h (current_function_nothrow): Remove.
10222         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
10223         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
10224
10225 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10226
10227         PR bootstrap/16326
10228         * reorg.c: Revert 2004-06-30 change.
10229         (find_end_label): If HAVE_epilogue and !HAVE_return,
10230         return 0 instead of creating a label at the end of the insn chain.
10231         (optimize_skip): Account for the failure mode of find_end_label.
10232         (fill_simple_delay_slots): Likewise.
10233         (fill_slots_from_thread): Likewise.
10234         (relax_delay_slots): Likewise.
10235
10236 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10237
10238         * tree-flow.h (addressable_vars): Declare.
10239         * tree-ssa-alias.c (addressable_vars): Define.
10240         (setup_pointers_and_addressables): Add addressable variables
10241         to addressable_vars.
10242         * tree-ssa-operands.c (get_stmt_operands): Move
10243         handling of ASM_EXPRs ...
10244         (get_asm_expr_operands): ... here.
10245         When the ASM_EXPR clobbers memory, also clobber addressable
10246         variables.
10247         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
10248         (delete_tree_ssa): Reset addressable_vars.
10249
10250 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10251             Richard Henderson  <rth@redhat.com>
10252
10253         * varasm.c (assemble_variable): Use assemble_zeros for
10254         zero-initialized variables.
10255         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
10256         for SECCAT_BSS and SECCAT_TBSS.
10257
10258 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10259
10260         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
10261
10262         * expmed.c (emit_store_flag): Also special-case double-word
10263         (in-)equality comparison against -1.
10264
10265         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
10266         passing arguments the containers for which are registers.
10267
10268         * calls.c (emit_library_call_value_1): Use mode of function parameter
10269         rather than that of argument since constants have none.
10270
10271 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10272
10273         Introduce H8SX support.
10274         * expr.c (expand_strcpy): Renamed and moved to...
10275         * builtins.c (expand_movstr): ... here.  Tweak.
10276         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
10277         computed or has side effects.
10278         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
10279         unused, or if mempcpy fails.  Adjust the return value in the
10280         latter case.  Use movstr if everything else fails.
10281         * doc/md.texi (movstr): Document.
10282         (movmemM, clrmemM): Fix explanation of memory block operands.
10283         * config/h8300/h8300.md (stpcpy): Renamed to...
10284         (movstr): ... this.  Adjust.
10285         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10286         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
10287         movmem* and clrstr* to clrmem*.
10288         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
10289         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
10290         GENERAL_REGS, always.
10291         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
10292         getting the stack pointer as addr.
10293         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
10294         from general_operand_dst.
10295         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
10296         variant of...
10297         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
10298         instead of requiring it to match only before reload.
10299         (stpcpy_internal_normal): New, normal-mode variant of...
10300         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
10301         `D' instead of requiring it to match only before reload.
10302         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
10303         mode argument.
10304         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
10305         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
10306         h8300_get_index.
10307         * config/h8300/h8300.md (attr type): Add call.
10308         (attr can_delay): If type is call, set it no.
10309         (call, call_value): Set type to call.
10310         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
10311         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
10312         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
10313         * tree.c (get_narrower): Don't narrow integral types into
10314         non-integral types.
10315         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
10316         frame_size *before* the first use.
10317         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
10318         on input.
10319         (peephole2): Don't widen instructions that push SP.  Move
10320         decrement of SP to the end of all stm-generating peepholes.
10321         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10322         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
10323         and OR to set it to all ones.
10324         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10325         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
10326         (call, call_value): Set can_delay to "no".
10327         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
10328         * config/h8300/h8300.md (extzv): Make subreg check more robust.
10329         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10330         * config/h8300/h8300.md (*brabit): Remove.
10331         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
10332         zero_extract.  Use bit_memory_operand as the predicate for
10333         operand 1 and 'WU' as the constraint.  Check the difference
10334         between the base length and the final one when deciding which
10335         type of branch to use.
10336         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10337         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
10338         Use convert_move to extend the result for TARGET_H8300SX.  Check
10339         for QImode memory references.  Optimize the case where the
10340         destination is a paradoxical subreg.
10341         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10342         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
10343         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
10344         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10345         * config/h8300/h8300.md: Include mova.md
10346         (length_table): Add mova and mova_zero.
10347         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
10348         after all constant addresses for '%R', '%X', '%T' and '%S'.
10349         (h8300_mova_length): New function.
10350         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
10351         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
10352         dependencies for s-config, etc.
10353         * config/h8300/gemova.sh: New file.
10354         * config/h8300/mova.md: Generated.
10355         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
10356         * config/h8300/h8300.c (h8300_bitfield_length): New.
10357         (nibble_operand): Adjust.
10358         (h8300_binary_length): Handle conditional binary op.
10359         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
10360         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
10361         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
10362         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
10363         constraints.  WU is introduced as a variant of U that requires a
10364         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
10365         * config/h8300/h8300.md (attr type): Added bitbranch.
10366         (attr length_table): Added bitfield and bitbranch.
10367         (attr length): Compute bitbranch length.
10368         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
10369         least-significant bit of a byte.
10370         (brabit, brabc, brabs): New.
10371         (insv, extzv): Emit bfst and bfld on H8300SX.
10372         (bfld, bfst, seq, sne): New.
10373         (bstzhireg, cmpstz, bstz, bistz): New.
10374         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
10375         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
10376         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
10377         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
10378         (h8sx_unary_memory_operator): New function.
10379         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
10380         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
10381         * config/h8300/h8300.md: Add peepholes to combine reloads and
10382         arithmetic insns.
10383         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10384         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
10385         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
10386         (and?i, ior?i, xor?i): Likewise.
10387         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10388         * config/h8300/h8300.c: Move enums and prototypes to head of file.
10389         Various whitespace fixes.
10390         (h8300_constant_length): New function, split out from...
10391         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
10392         (h8300_classify_operand): Use IN_RANGE.
10393         (h8300_classify_operand): Use h8300_constant_length.
10394         (h8300_short_move_mem_p): Tighten size check.
10395         (h8sx_mergeable_memrefs_p): Tighten equality check.
10396         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
10397         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
10398         for -msx.
10399         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
10400         * config/h8300/crtn.asm: Likewise.
10401         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
10402         if __H8300SX__ is defined.
10403         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
10404         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
10405         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
10406         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
10407         addresses as mode-dependent.
10408         * config/h8300/h8300.c (print_operand_address): Update call to
10409         h8300_get_index.
10410         (h8300_get_index): Take a mode argument.  Rework to fix an
10411         earlier misunderstanding.
10412         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
10413         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
10414         into a register if TARGET_H8300SX.
10415         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
10416         TARGET_H8300SX.  Also disable related define_splits.
10417         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
10418         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
10419         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
10420         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10421         * config/h8300/h8300.h (OK_FOR_Z): New macro.
10422         (EXTRA_CONSTRAINT_STR): Check it.
10423         * config/h8300/h8300.c (h8300_classify_operand): Accept null
10424         class arguments.
10425         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
10426         * config/h8300/h8300.md (length_table): Add mov_imm4.
10427         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
10428         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10429         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
10430         be a label.
10431         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
10432         * config/h8300/h8300.c (h8300_reorg): New function.
10433         (TARGET_MACHINE_DEPENDENT_REORG): Define.
10434         * config/h8300/h8300.md (length): Subtract the length of the
10435         delay slot from (pc) when checking the range of forward branches.
10436         (delay_slot, can_delay): New attributes.
10437         (define_delay): Add bra/s handling.
10438         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
10439         (jump): Add delayed-branch handling.
10440         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
10441         * expr.c (expand_strcpy): New function.
10442         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
10443         (expand_builtin_stpcpy): Likewise.
10444         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
10445         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
10446         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
10447         handling to improve register allocation for -fno-omit-frame-pointer.
10448         (h8sx_split_movmd): Delete, moving er6 handling into...
10449         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
10450         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
10451         (movmd): Add calls to copy_rtx.
10452         (movmd_internal): In the second alternative, allow the initial and
10453         final destination registers to be different .  Update the splitter
10454         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
10455         instead of h8sx_split_movmd.
10456         (stpcpy, movsd): New expanders.
10457         (movsd_internal): New define_insn.
10458         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
10459         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
10460         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
10461         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
10462         and DESTINATION_REGS.
10463         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
10464         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
10465         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
10466         (h8300_move_ratio): Declare.
10467         (MOVE_RATIO): Use it.
10468         * config/h8300/h8300.c (h8300_move_ratio): New variable.
10469         (h8300_init_once): Initialize it.
10470         (h8300_reg_class_from_letter): New function.
10471         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
10472         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
10473         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
10474         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
10475         (movstrsi, movmd): New expanders.
10476         (movmd_internal): New insn.
10477         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
10478         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
10479         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
10480         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
10481         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
10482         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10483         * config/h8300/h8300.c (nibble_operand): Fix warning.
10484         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
10485         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
10486         (movsf_h8300h): Disable for TARGET_H8300SX.
10487         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10488         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
10489         h8300_stm_parallel and h8300_return_parallel.
10490         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
10491         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
10492         h8300_stm_parallel, h8300_return_parallel): New functions.
10493         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
10494         if TARGET_H8300SX.  Use h8300_push_pop.
10495         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
10496         and final pop when generating h8sx code.  Always emit some form
10497         of return insn.
10498         * config/h8300/h8300.md: Don't enforce register alignment in
10499         stm peepholes if TARGET_H8300SX.
10500         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
10501         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
10502         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
10503         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10504         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
10505         (MULTILIB_DIRNAMES): Add a directory for it.
10506         (MULTILIB_MATCHES): Delete.
10507         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10508         * final.c (walk_alter_subreg): Handle addresses with subregs
10509         inside a ZERO_EXTEND or AND.
10510         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
10511         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
10512         if TARGET_H8300SX.
10513         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
10514         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
10515         @(dd,Rn.w) and @(dd,ERn.L).
10516         (h8300_displacement_size): Take the whole address as argument.
10517         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
10518         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10519         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
10520         (h8sx_mergeable_memrefs_p): Declare.
10521         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
10522         (HAVE_PRE_INCREMENT): Likewise.
10523         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
10524         addresses for TARGET_H8300SX,
10525         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
10526         and POST_DEC.
10527         (movb_length_table, movl_length_table): New tables.
10528         (movw_length_table): Define to movb_length_table.
10529         (h8300_displacement_size): New, split out from...
10530         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
10531         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
10532         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
10533         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
10534         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
10535         (compute_plussi_length, compute_plussi_cc): Update accordingly.
10536         (h8sx_unary_shift_operator): Get the mode from the operator.
10537         (binary_shift_operator): Likewise.
10538         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
10539         a memory reference, check whether the reference is offsettable.
10540         (length_table): Add movb, movw and movl.
10541         (movqi): Add new h8sx pattern.  Don't force one operand to be a
10542         register when generating h8sx code.
10543         (movhi, movsi, movsf): Likewise.
10544         (movstrictqi): Use the length_table attribute.
10545         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
10546         (addqi3): Split into a define_expand and define_insn.  Don't accept
10547         memory operands in the expander.  Use h8300_operands_match_p to
10548         check for matching operands in the define_insn.
10549         (subqi3, negqi2, one_cmplqi2): Likewise.
10550         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
10551         in any patterns that are unused in h8sx code.  In the h8sx patterns,
10552         use h8300_operands_match_p to check whether operands match.
10553         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
10554         one_cmpl[hs]i3): Likewise.
10555         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
10556         in the expander.
10557         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
10558         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
10559         (h8300_insn_length_from_table): Add a second parameter.
10560         (output_h8sx_shift): Declare.
10561         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
10562         (EXTRA_CONSTRAINT): Replace with...
10563         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
10564         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
10565         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
10566         and h8sx_binary_shift_operator.
10567         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
10568         for TARGET_H8300SX.
10569         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
10570         (bit_memory_operand, fix_bit_operand): Likewise.
10571         (h8300_length_table_for_insn): Remove.
10572         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
10573         instructions.
10574         (h8300_short_immediate_length, h8300_binary_length): New functions.
10575         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
10576         (output_plussi): Use sub to add negative constants.
10577         (compute_plussi_length): Adjust accordingly.
10578         (h8sx_single_shift_type): New enum.
10579         (h8sx_single_shift, h8sx_unary_shift_operator,
10580         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
10581         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
10582         single h8sx instruction.  Return false in this case.
10583         * config/h8300/h8300.md (length_table): Add short_immediate.
10584         (length): Pass the operand array to h8300_insn_length_from_table.
10585         (adjust_length): Assume "no" for insns with a length_table attribute.
10586         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
10587         (*addhi3_h8300hs): Don't use for h8sx.
10588         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
10589         and sub.w #xx:3.
10590         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
10591         1's predicate to nonimmediate_operand.  Only skip default expansion
10592         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
10593         for single h8sx shift instructions.
10594         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
10595         * config/h8300/h8300.c (nibble_operand): Split out of...
10596         (reg_or_nibble_operand): ... this.
10597         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
10598         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
10599         umulhisi3): Introduce expand, and introduce separate insns for
10600         sign- or zero-extended REG and already-extended CONST_INT.
10601         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
10602         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
10603         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
10604         (subhi3): Likewise.  Don't accept immediates for operand 1.
10605         Remove the early clobber from second alternative of the h8300s pattern.
10606         (subsi3): Generalize for h8sx.  Force operand 2 into a register
10607         on plain h8300 targets.
10608         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
10609         (subsi3_h8300h): Generalize for h8sx.
10610         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
10611         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
10612         * config/h8300/h8300.c (reg_or_nibble_operand): New.
10613         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10614         (TARGET_H8300SXMUL): New.
10615         (CONST_OK_FOR_P): New.
10616         (CONST_OK_FOR_LETTER_P): Adjust.
10617         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
10618         umulhisi3): Accept 4-bit immediate on H8SX.
10619         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
10620         (udivsi3, divhi3, udivsi3, divsi3): New.
10621         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
10622         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
10623         * config/h8300/h8300.h (OK_FOR_Q): New macro.
10624         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
10625         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
10626         Add ADDRESSOF to the bit_operand entry.
10627         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
10628         (h8300_src_operand): Likewise.
10629         (bit_operand): Check nonimmediate_operand rather than general_operand.
10630         Accept any nonimmediate_operand in h8sx code.
10631         (h8300_and_costs): Initialize operands[1].
10632         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
10633         (h8300_operand_class): New enum.
10634         (h8300_length_table): New typedef.
10635         (addb_length_table, addw_length_table, addl_length_table,
10636         logicl_length_table): New tables.
10637         (logicb_length_table, logicw_length_table): New macros.
10638         (h8300_classify_operand, h8300_length_from_table,
10639         h8300_length_table_for_insn, h8300_unary_length,
10640         h8300_insn_length_from_table): New functions.
10641         (output_plussi): Only use adds and subs for register destinations.
10642         Disable redundant clause.
10643         (compute_plussi_cc): Likewise.
10644         (compute_plussi_length): Likewise.  Use h8300_length_from_table
10645         to work out the length of an insn.
10646         (output_logical_op): Only use narrower immediate instructions
10647         if the destination is a register.
10648         (compute_logical_op_cc): Likewise.
10649         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
10650         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
10651         * config/h8300/h8300.md (length_table): New attribute.
10652         (length): When an instruction has a length_table attribute, use
10653         h8300_insn_length_from_table to calculate its default length.
10654         (cmpqi): Use h8300_dst_operand for the first operand and
10655         h8300_src_operand for the second.
10656         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
10657         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
10658         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
10659         iorsi3, xorhi3, xorsi3): Likewise.
10660         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
10661         so that it allows any combination of operands for TARGET_H8300SX.
10662         (iorqi3, xorqi3): Likewise.
10663         (cmpqi): Use the length_table attribute.
10664         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
10665         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10666         (cmpqi): Add 'Q' constraint.
10667         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
10668         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10669         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
10670         * config/h8300/h8300.h (MASK_H8300SX): New macro.
10671         (TARGET_H8300S): True for both -ms and -msx.
10672         (TARGET_H8300SX): New macro.
10673         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
10674         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
10675         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
10676         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
10677         [Temporary change.]
10678         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
10679         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
10680         16-bit pointers and 32-bit ints.
10681         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
10682         CONST_DOUBLE with mode no wider than SImode.
10683         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
10684         output operand.
10685         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
10686         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
10687         or SUBREG thereof.
10688         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10689         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
10690         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
10691
10692 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10693
10694         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
10695
10696 2004-07-07  Per Bothner  <per@bothner.com>
10697
10698         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
10699
10700 2004-07-07  Mike Stump  <mrs@apple.com>
10701
10702         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
10703         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
10704         (machopic_finish): Likewise.
10705
10706 2004-07-07  Richard Henderson  <rth@redhat.com>
10707
10708         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
10709         through any value-preserving cast.
10710
10711 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10712
10713         * function.c (assign_parm_find_data_types): Call
10714         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
10715
10716 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10717
10718         * tree-cfg.c (group_case_labels): Remove case labels that have
10719         the same target as the default case.
10720
10721 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10722
10723         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
10724         regardless of DECL_LANG_SPECIFIC being present or not.
10725         * tree.h (DECL_NUM_STMTS): Purge.
10726
10727 2004-07-07  Andrew Pinski  <apinski@apple.com>
10728
10729         * configure: Regenerate with the right autoconf.
10730
10731 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
10732
10733         * ifcvt.c (total_bb_rtx_cost): New function.
10734         (find_if_case_1): Compare rtx_cost of basic block to cost of
10735         BRANCH_COST insns.
10736         (find_if_case_2): Same.
10737
10738 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10739
10740         PR target/10567
10741         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
10742         (output_return): Likewise.
10743         (output_sibcall): Abort if !flag_delayed_branch.
10744         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
10745         (emit_and_preserve): New function.
10746         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
10747         indirect jump to the thunked-to function if !flag_delayed_branch.
10748         * config/sparc/sparc.md (delayed_branch): New attribute.
10749         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
10750         attribute to compute the length of the insn.
10751         (goto_handler_and_restore): Likewise.
10752
10753 2004-07-07  Andrew Pinski  <apinski@apple.com>
10754
10755         PR tree-optimization/15777
10756         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
10757
10758         * expr.c (expand_expr_real_1): Fix formating.
10759         BUFFER_REF and IN_EXPR are dead.
10760         * fold-const.c (non_lvalue): BUFFER_REF is dead.
10761         * tree-inline.c (estimate_num_insns_1): Likewise.
10762         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
10763         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
10764         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
10765
10766 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10767
10768         * collect2.c (dump_file): Don't call cplus_demangle if
10769         HAVE_LD_DEMANGLE is defined.
10770         (main): Pass "--demangle" to ld if no_demangle is not 0 and
10771         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
10772         if HAVE_LD_DEMANGLE is defined.
10773
10774         * configure.ac (--with-demangler-in-ld): Added
10775         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
10776         --with-demangler-in-ld is used.
10777         * config.in: Regenerated.
10778         * configure: Likewise.
10779
10780 2004-07-07  Roger Sayle  <roger@eyesopen.com>
10781
10782         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
10783         for simple floating point operations "fp", double precision
10784         multiplication "dmul", and single and double precision division
10785         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
10786         (ppc630_cost): New table split from ppc620_cost, to distinguish
10787         differences in floating point latencies.
10788         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
10789         (rs6000_rtx_costs): Add support for single and double precision
10790         floating point addition, subtraction, multiplication, division,
10791         fused-multiply-add, fused-multiply-sub, negation, absolute value
10792         and negative absolute value.  Tweak MEM case to use prefered idiom.
10793
10794 2004-07-07  Richard Henderson  <rth@redhat.com>
10795
10796         * tree-flow-inline.h (may_propagate_copy): Move...
10797         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
10798         attempt to copy between types requiring conversion.
10799         * tree-flow.h (may_propagate_copy): Update decl.
10800         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
10801
10802 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
10803
10804         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
10805         from -mtune= option.
10806
10807 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10808
10809         * builtins.c: Rename movstr*, except for movstrict*, to
10810         movmem* and clrstr* to clrmem*.
10811         * expr.c: Likewise.
10812         * expr.h: Likewise.
10813         * genopinit.c: Likewise.
10814         * integrate.c: Likewise.
10815         * local-alloc.c: Likewise.
10816         * optabs.c: Likewise.
10817         * optabs.h: Likewise.
10818         * config/alpha/alpha.h: Likewise.
10819         * config/alpha/alpha.md: Likewise.
10820         * config/arm/arm-protos.h: Likewise.
10821         * config/arm/arm.c: Likewise.
10822         * config/arm/arm.md: Likewise.
10823         * config/avr/avr.md: Likewise.
10824         * config/c4x/c4x.c: Likewise.
10825         * config/c4x/c4x.md: Likewise.
10826         * config/frv/frv.md: Likewise.
10827         * config/i386/i386-protos.h: Likewise.
10828         * config/i386/i386.c: Likewise.
10829         * config/i386/i386.h: Likewise.
10830         * config/i386/i386.md: Likewise.
10831         * config/i860/i860.c: Likewise.
10832         * config/i860/i860.md: Likewise.
10833         * config/ip2k/ip2k.md: Likewise.
10834         * config/ip2k/libgcc.S: Likewise.
10835         * config/ip2k/t-ip2k: Likewise.
10836         * config/m32r/m32r.c: Likewise.
10837         * config/m32r/m32r.md: Likewise.
10838         * config/mcore/mcore.md: Likewise.
10839         * config/mips/mips.c: Likewise.
10840         * config/mips/mips.md: Likewise.
10841         * config/ns32k/ns32k.c: Likewise.
10842         * config/ns32k/ns32k.h: Likewise.
10843         * config/ns32k/ns32k.md: Likewise.
10844         * config/pa/pa.c: Likewise.
10845         * config/pa/pa.md: Likewise.
10846         * config/pdp11/pdp11.h: Likewise.
10847         * config/pdp11/pdp11.md: Likewise.
10848         * config/rs6000/rs6000.c: Likewise.
10849         * config/rs6000/rs6000.md: Likewise.
10850         * config/s390/s390-protos.h: Likewise.
10851         * config/s390/s390.c: Likewise.
10852         * config/s390/s390.md: Likewise.
10853         * config/sh/lib1funcs.asm: Likewise.
10854         * config/sh/sh.c: Likewise.
10855         * config/sh/sh.md: Likewise.
10856         * config/sh/t-sh: Likewise.
10857         * config/sparc/sparc.h: Likewise.
10858         * config/vax/vax.md: Likewise.
10859         * config/xtensa/xtensa.c: Likewise.
10860         * config/xtensa/xtensa.md: Likewise.
10861         * doc/invoke.texi: Likewise.
10862         * doc/md.texi: Likewise.
10863         * doc/rtl.texi: Likewise.
10864
10865 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
10866
10867         PR target/16407
10868         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
10869         * config/mips/mips.c (mips_declare_common_object): New function,
10870         mostly split out from...
10871         (mips_output_aligned_decl_common): ...here.
10872         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
10873         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
10874         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
10875         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
10876
10877 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10878
10879         PR c/16392
10880         * function.c (assign_parms): Fix typo from previous change.
10881
10882 2004-07-07  Jason Merrill  <jason@redhat.com>
10883
10884         PR c++/15815
10885         * doc/extend.texi (C++ Interface): Correct information and
10886         discourage use.
10887
10888 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
10889
10890         PR target/16130
10891         PR target/16142
10892         PR target/16143
10893         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
10894         insn.
10895
10896 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10897
10898         PR target/1679.
10899         * config/m32r/m32r.c (m32r_function_symbol): New function:
10900         Generate a symbol name RTX with the correct m32r specific flags
10901         set.
10902         (block_move_call): Use new function to generate correct symbol.
10903         * config/m32r/m32r-protos.h: Add prototype for new funcion.
10904         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
10905         function.
10906
10907 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10908
10909         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
10910         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
10911         TYPE_BINFO_BASETYPE): Remove.
10912         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
10913         to ...
10914         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
10915         here.
10916         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
10917         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
10918         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
10919         (struct tree_binfo): Rename base_types to base_binfos.
10920         * alias.c (record_component_aliases): Adjust BINFO macros.
10921         * dbxout.c (dbxout_type): Likewise.
10922         * dwarf2out.c (gen_member_die): Likewise.
10923         * sdbout.c (sdbout_one_type): Likewise.
10924         * tree-dump.c (deque_and_dump): Likewise.
10925         * config/i386/i386.c (classify_argument,
10926         contains_128bit_aligned_vector_p): Likewise.
10927
10928 2004-07-07  Nick Clifton  <nickc@redhat.com>
10929
10930         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
10931         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
10932
10933 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10934
10935         * vec.h: Fix the example use.
10936
10937 2004-07-06  Richard Henderson  <rth@redhat.com>
10938
10939         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
10940         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
10941         * tree-inline.c (copy_body_r, setup_one_parameter,
10942         initialize_inlined_parameters, expand_call_inline,
10943         declare_inline_vars): Don't check it.
10944         (expand_calls_inline): Remove old version, rename new version
10945         from gimple_expand_calls_inline.
10946         * tree-optimize.c (execute_gimple): Remove.
10947         (pass_gimple): Don't run anything.
10948
10949 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10950
10951         * doc/sourcebuild.texi: Use semicolons instead of commas in
10952         section title.
10953
10954 2004-07-06  Richard Henderson  <rth@redhat.com>
10955
10956         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
10957         (sra_walk_modify_expr, scan_init): Likewise.
10958         (generate_element_zero): Check visited before scanning children.
10959         (generate_element_init): Set visited on error.
10960         (scalarize_init): Handle generate_element_init failure similar
10961         to use_block_copy.
10962
10963 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10964
10965         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
10966         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
10967
10968 2004-07-06  Richard Henderson  <rth@redhat.com>
10969
10970         * config/i386/i386.c (legitimize_pic_address): Make static.
10971         (legitimize_address): Handle CONST with TLS operand.
10972         (ix86_expand_move): Don't call legitimize_pic_address directly.
10973         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
10974
10975 2004-07-06  Roger Sayle  <roger@eyesopen.com>
10976
10977         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
10978         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
10979         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
10980         is currently executed unconditionally, i.e. not in "else_bb".
10981
10982 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10983
10984         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
10985         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10986         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
10987         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10988         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
10989         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10990         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
10991         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10992         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
10993         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10994         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
10995         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10996         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
10997         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10998         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
10999         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11000
11001 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11002
11003         * dojump.c (do_jump): REFERENCE_EXPR is dead.
11004         * expr.c (expand_expr_real_1): Ditto.
11005         * tree-inline.c (estimate_num_insns_1): Ditto.
11006         * tree-pretty-print.c (dump_generic_node): Ditto.
11007         (op_symbol): Ditto.
11008         * tree.def: Ditto.
11009
11010 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11011
11012         * tree-ssa-pre.c (reference_node_pool): New pool.
11013         (find_or_generate_expression): Class 'r' is okay too.
11014         (create_value_expr_from): Ditto.
11015         (add_to_sets): LHS should not include vuses.
11016         (eliminate): Ditto.
11017         (compute_avail): Reverse ordering of tests.
11018         Valuize INDIRECT_REF as well.
11019
11020 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
11021
11022         PR rtl-optimization/16380
11023         * loop.c (check_dbra_loop): Sink comparison instructions if they
11024         do something other than set cc0.
11025
11026 2004-07-06  James E Wilson  <wilson@specifixinc.com>
11027
11028         * doc/interface.texi (longjmp and automatic variables): Delete
11029         paragraph recommending taking the address of a variable.
11030
11031 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11032
11033         * vec.h (VEC_embedded_alloc): Remove.
11034         (VEC_embedded_size, VEC_embedded_init): New.
11035         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
11036         MEM_STAT_INFO.
11037         (VEC_truncate): New.
11038         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
11039         (vec_embedded_alloc): Remove.
11040         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
11041         (vec_embedded_alloc): Remove.
11042
11043 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
11044
11045         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
11046         (gt-langhooks.h): Remove.
11047
11048 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
11049
11050         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
11051
11052 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11053
11054         * config/sparc/sparc.c (get_pc_symbol): Rename into
11055         add_pc_to_pic_symbol.
11056         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
11057         (load_pic_register): Account for previous changes.
11058         Use reg_names.  Don't create the label twice.
11059         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
11060         UNSPEC_LOAD_PCREL_SYM.
11061         (get_pc): Rename into load_pcrel_sym.  Add predicate to
11062         operands.  Remove condition.
11063
11064 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11065
11066         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
11067         RECORD, UNION & QUAL_UNION is actually a binfo.
11068
11069         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
11070         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
11071         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
11072         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
11073         * dwarf2out.c (add_data_member_location_attribute): Likewise.
11074         (gen_inheritance_die): Likewise.
11075         * tree-dump.c (deque_and_dump): Likewise.
11076         * doc/c-tree.texi (Binfos): Add under reconstruction note.
11077
11078 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11079
11080         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11081         Define.
11082         * config/mcore/mcore.md: Model memory latency with a simple DFA
11083         pipeline description instead of a define_function_unit.
11084
11085 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11086
11087         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
11088         * langhooks.h (var_mod_type_p): Likewise.
11089         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
11090         * expr.c (count_type_elements): Properly handle return from
11091         array_type_nelts and properly test for overflow.
11092         * gimplify.c (gimplify_init_constructor): Properly handle return
11093         from array_type_nelts.
11094         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
11095         * integrate.c (copy_decl_for_inlining): Correct comments.
11096         * tree-inline.c (remap_decl): Update comments, remove dead code,
11097         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
11098         (remap_type): Only remap if variably modified by vars in function
11099         being inlined.
11100         (copy_body_r): Use compatible_type langhooks to see when can fold.
11101         (setup_one_parameter): Don't remap type.
11102         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
11103         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
11104         compute TREE_INVARIANT for decl case.
11105         (find_var_from_fn): New function.
11106         (variably_modified_type_p): Add arg and call new function.
11107         * tree.h (variably_modified_type_p): Add extra arg.
11108
11109 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11110
11111         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
11112         (goto_handler_and_restore_v9): Delete disabled insn.
11113         (goto_handler_and_restore_v9_sp64): Likewise.
11114
11115 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11116
11117         * calls.c (load_register_parameters): Call expand_shift instead
11118         of expand_binop with ashl_optab (or other shift optab) directly.
11119         * expr.c (emit_group_load, emit_group_store): Likewise.
11120         * function.c (assign_parm_setup_block): Likewise.
11121         * stmt.c (shift_return_value): Likewise.
11122
11123 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
11124
11125         * expr.c (expand_assignment): Disable the bitfield += optimizations.
11126
11127 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11128
11129         * doc/sourcebuild.texi: Revert previous patch.
11130
11131 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11132
11133         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
11134         TARGET_MEM_FUNCTIONS.
11135         * system.h: Poison TARGET_MEM_FUNCTIONS.
11136         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
11137         bcmp_libfunc, bzero_libfunc): Remove.
11138         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
11139         bzero_libfunc.
11140         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
11141         * doc/standards.texi: Don't mention calling BSD string functions.
11142         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
11143         * config/vax/t-memfuncs: New.
11144         * config/memcmp.c, config/memcpy.c, config/memmove.c,
11145         config/memset.c: New.
11146         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
11147         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
11148         vax/t-memfuncs.
11149         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
11150         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
11151         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
11152         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
11153         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
11154         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
11155         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
11156         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
11157         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
11158         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
11159
11160 2004-07-05  Richard Henderson  <rth@redhat.com>
11161
11162         * function.c (assign_parm_setup_reg): Properly rename variables in
11163         FUNCTION_ARG_CALLEE_COPIES section.
11164
11165 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11166
11167         * tree-mudflap.c: Include cgraph.h.
11168         (mf_init_extern_trees): Rename to mudflap_init.  Export.
11169         Rewrite to create synthetic declarations instead of looking
11170         up declarations from mf-runtime.h.
11171         (mf_make_builtin, mf_make_cache_struct_type): New functions.
11172         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
11173         Correct commentary.
11174         (execute_mudflap_function_decls, mudflap_register_call):
11175         Don't call mf_init_extern_trees.
11176         (mudflap_finish_file): Use cgraph_build_static_cdtor.
11177
11178         * tree-mudflap.h: Update prototypes.
11179         * c-mudflap.c: Delete file.
11180         * c-common.c: Include tree-mudflap.h.
11181         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
11182         * Makefile.in: Remove all references to c-mudflap.o.
11183         Update dependencies.
11184
11185 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11186
11187         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
11188         displacements with the spatial-locality cache-control completer.
11189
11190 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11191
11192         * langhooks.c: Don't include gt-langhooks.h.
11193         (var_labelno): Delete.
11194         (lhd_set_decl_assembler_name): Do not append a distinguishing
11195         number to file-scope internal-linkage declarations for the first
11196         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
11197         the declaration itself (if at block scope), or its containing
11198         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
11199         number.
11200
11201         * opts.c (cur_in_fname): New global.
11202         * opts.h: Declare it.
11203         * tree.c: Include opts.h.
11204         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
11205         DECL_UID equal to cur_in_fname.
11206         (copy_node_stat): Do not change DECL_UID when copying a
11207         TRANSLATION_UNIT_DECL.
11208         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
11209         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
11210
11211         * c-decl.c (c_static_assembler_name): Delete.
11212         * c-tree.h (c_static_assembler_name): Delete prototype.
11213         * c-lang.c, objc/objc-lang.c: Don't override
11214         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
11215
11216         * Makefile.in (tree.o): Update dependencies.
11217         (GTFILES): Remove langhooks.c.
11218
11219 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11220
11221         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
11222         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
11223         Normalize "X % C" as "X % -C" for signed modulus and negative C.
11224         Optimize "X % -Y" as "X % Y" for signed modulus.
11225         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
11226         into "((unsigned) X % Y) == 0".
11227
11228 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11229
11230         * sourcebuild.texi (Config Fragments): Use @comma{} in
11231         cross-reference to section title.
11232
11233 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11234
11235         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
11236         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
11237         (gimplify_target_expr, gimplify_expr): Likewise.
11238         (copy_if_shared_r): No longer need special case for BIND_EXPR.
11239         (unshare_body, unvisit_body): Only look at nested if BODY_P is
11240         whole function.
11241         (gimplify_compound_lval): See if we can strip any useless conversion.
11242         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
11243         from RHS, not LHS.
11244         (gimplify_modify_expr_to_memset): Likewise.
11245         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
11246         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
11247         (declare_inline_vars): Likewise.
11248         (walk_type_fields): New function.
11249         (walk_tree): Use it.
11250         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
11251
11252         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
11253         (sra_walk_modify_expr): Allow init function to fail.
11254         (scan_init): Now returns bool.
11255         (generate_element_init): If can't understand INIT, return false.
11256         (scalarize_init): Return false if generate_element_init does.
11257
11258         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
11259         print bounds.
11260
11261         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
11262         bounds if bounds aren't constant.
11263
11264         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
11265
11266         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
11267         to type hooks; remove bogus PARAMS.
11268
11269 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11270
11271         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
11272         * dwarf2out.c (add_data_member_location_attribute): Check for
11273         TREE_BINFO.
11274         * tree.c (tree_node_kinds): Add "binfos".
11275         (binfo_lang_slots): New.
11276         (make_node_stat): Add TREE_BINFO.
11277         (make_tree_binfo_stat): New.
11278         (tree_node_structure): Add TREE_BINFO.
11279         * tree.def (TREE_BINFO): New.
11280         * tree.h (REC_OR_UNION_CHECK): Rename to ...
11281         (RECORD_OR_UNION_CHECK): ... here.
11282         (NOT_RECORD_OR_UNION_CHECK): New.
11283         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
11284         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
11285         RECORD_OR_UNION_CHECK.
11286         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
11287         (TYPE_LANG_SLOT_1): New.
11288         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
11289         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
11290         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
11291         (BINFO_ELTS): Remove.
11292         (BINFO_LANG_SLOT): New.
11293         (struct tree_binfo): New.
11294         (binfo_lang_slots): Declare.
11295         (enum tree_node_structure_enum): Add TS_BINFO.
11296         (union tree_node): Add binfo.
11297         (make_tree_binfo_stat): Declare.
11298         (make_tree_binfo): New.
11299         (enum tree_node_kind): Add binfo_kind.
11300
11301         * objc/objc-act.c (start_class, objc_declare_protocols,
11302         start_protocols): Use TYPE_LANG_SLOT_1.
11303         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
11304         to ...
11305         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
11306         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
11307         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
11308         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
11309
11310 2004-07-05  Steven Bosscher  <stevenb@suse.de>
11311
11312         * rtl.h (struct rtx_def): Remove the integrated flag.
11313         Use the return_val flag for MEM_SCALAR_P.
11314         Reshuffle and update flags in CLEAR_RTX_FLAGS.
11315
11316 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
11317
11318         PR target/16357
11319         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
11320         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
11321         move_by_pieces.
11322
11323 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
11324
11325         * var-tracking.c: Fix some comments.
11326         (frame_stack_adjust): New.
11327         (vt_stack_adjustments): Init stack_adjust of entry block to
11328         minus stack adjustment of function prologue.
11329         (adjust_stack_reference): Do not adjust if adjustment == 0.
11330         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
11331         (emit_notes_in_bb): Likewise.
11332         (vt_add_function_parameters): Do not adjust locations of
11333         function arguments.
11334         (vt_initialize): Compute the stack adjustment of function
11335         prologue and offset the initial "location" of frame_base_decl
11336         from the stack pointer after prologue.
11337
11338 2004-07-04  Richard Henderson  <rth@redhat.com>
11339
11340         * function.c (struct assign_parm_data_all): New.
11341         (struct assign_parm_data_one): New.
11342         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
11343         assign_parm_find_data_types, assign_parms_setup_varargs,
11344         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
11345         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
11346         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
11347         assign_parm_setup_block, assign_parm_setup_reg,
11348         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
11349         (assign_parms): ... here.
11350
11351 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
11352
11353         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
11354         now are bitmap_set_t's.
11355         (bitmap_insert_into_set): No point in inserting the value if
11356         it's invariant.
11357         (bitmap_set_contains): New function.
11358         (bitmap_set_replace_value): Add comment on why we do it
11359         this way.
11360         (set_contains): Removed.
11361         (bitmap_set_subtract_from_value_set): New name of
11362         set_subtract now that it's arguments are two different
11363         types of sets.
11364         Update callers.
11365         (bitmap_find_leader): Change algorithm used.
11366         (find_or_generate_expression): Update use of functions for new
11367         bitmap sets.
11368         (create_expression_by_pieces): Ditto.
11369         (insert_aux): Ditto.
11370         (insert): Ditto.
11371         (add_to_sets): Ditto.
11372         (init_pre): Ditto.
11373         (execute_pre): Ditto.
11374         (compute_avail): Ditto.
11375         Also ignore virtual phis.
11376
11377 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11378
11379         * combine.c (simplify_comparison): Fix comment typo.
11380
11381 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11382
11383         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
11384         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
11385         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
11386         (output_restore): Change parameter from 'insn' to 'pat'.
11387         (output_return): Adjust call to output_restore.
11388         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
11389         Adjust call to output_restore.
11390
11391 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11392
11393         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
11394         and assert system is bsd.
11395
11396 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11397
11398         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
11399         (TARGET_SWITCHES): Remove -mdebugc.
11400         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11401         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
11402         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
11403         (sle_[sd]i_reg): Delete.
11404
11405 2004-07-04  Steven Bosscher  <stevenb@suse.de>
11406
11407         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11408         Define.
11409         * config/iq2000/iq2000.md: Translate old pipeline description to an
11410         equivalent new one.
11411
11412 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11413
11414         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
11415         Ensure the replacement rhs is valid gimple before performing
11416         the substitution.  Return false if these sanity checks fail.
11417         (fold_stmt): Only set changed to true, if set_rhs returns true.
11418         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
11419         succeeds.
11420
11421 2004-07-04  Richard Henderson  <rth@redhat.com>
11422
11423         PR c/16348
11424         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
11425
11426 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
11427
11428         * configure.ac (ranlib_flags): New variable.
11429         * Makefile.in (RANLIB_FLAGS): New variable.
11430         (libbackend.a): Use it.
11431         * configure: Regenerated.
11432
11433 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11434
11435         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
11436         a "sign mask" instead of using ashr_optab directly.
11437
11438 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11439
11440         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
11441         * doc/cppopts.texi: Clarify processing of command-line defines.
11442
11443 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
11444
11445         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
11446
11447 2004-07-04  Richard Henderson  <rth@redhat.com>
11448
11449         * rtl.def (ADDRESSOF): Remove.
11450         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
11451         (find_base_term, memrefs_conflict_p): Likewise.
11452         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
11453         (fold_rtx, cse_insn, set_live_p): Likewise.
11454         * dwarf2out.c (mem_loc_descriptor): Likewise.
11455         (add_location_or_const_value_attribute): Likewise.
11456         * emit-rtl.c (copy_insn_1): Likewise.
11457         * explow.c (memory_address): Likewise.
11458         * expmed.c (store_split_bit_field): Likewise.
11459         * expr.c (expand_expr_real_1): Likewise.
11460         * function.c (instantiate_decl
11461         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
11462         * genrecog.c (preds, validate_pattern): Likewise.
11463         * integrate.c (copy_rtx_and_substitute): Likewise.
11464         * recog.c (general_operand, register_operand): Likewise.
11465         (memory_address_p): Likwise.
11466         * reload1.c (eliminate_regs, elimination_effects): Likewise.
11467         * rtl.c (copy_rtx): Likewise.
11468         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11469         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
11470         * rtlhooks.c (gen_lowpart_general): Likewise.
11471         * stmt.c (expand_asm_operands): Likewise.
11472         * web.c (entry_register, replace_ref, web_main): Likewise.
11473         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
11474         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
11475         * config/arm/arm.c (thumb_rtx_costs): Likewise.
11476         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
11477         * config/frv/frv.c (move_destination_operand, move_source_operand,
11478         condexec_dest_operand, condexec_source_operand,
11479         condexec_memory_operand): Likewise.
11480         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
11481         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
11482         (destination_xfmode_operand): Likewise.
11483         * config/mips/mips.h (PREDICATE_CODES): Likewise.
11484         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
11485         * config/s390/s390.c (general_s_operand): Likewise.
11486         * config/s390/s390.md (mov*): Likewise.
11487         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
11488
11489         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
11490         * expr.c (expand_expr_real_1): Likewise.
11491         * stmt.c (expand_decl): Likewise.
11492         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11493
11494         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
11495         postponed_insns, put_var_into_stack, put_reg_into_stack,
11496         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
11497         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
11498         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
11499         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
11500         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
11501         purge_bitfield_addressof_replacements, purge_addressof_replacements,
11502         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
11503         struct insns_for_mem_walk_info, insns_for_mem_walk,
11504         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
11505         setjmp_protect_args): Remove.
11506         (push_function_context_to): Don't handle var_refs_queue.
11507         (pop_function_context_from, free_after_compilation): Likewise.
11508         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
11509         (assign_parms, allocate_struct_function): Likewise.
11510         (use_register_for_decl): New.
11511         (expand_function_end): Don't setjmp_protect.
11512         * function.h (struct emit_status): Update commentary.
11513         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
11514         (max_parm_reg, parm_reg_stack_loc): Remove.
11515         * passes.c (DFI_addressof): Remove.
11516         (dump_file_info): Remove addressof.
11517         (rest_of_handle_addressof): Remove.
11518         (rest_of_compilation): Don't call it.
11519         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
11520         * stmt.c (expand_decl): Use use_register_for_decl.
11521         * tree.h: Update decls.
11522         * web.c (mark_addressof): Remove.
11523         * doc/invoke.texi (-dF): Remove.
11524
11525 2004-07-03  Richard Henderson  <rth@redhat.com>
11526
11527         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
11528         instead of gen_mem_addressof.
11529         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
11530         TImode output register.
11531
11532 2004-07-03  Richard Henderson  <rth@redhat.com>
11533
11534         PR tree-optimization/16341
11535         * tree-sra.c (sra_walk_function): Increment to next stmt before
11536         processing the current stmt.
11537         (sra_insert_after): Always use BSI_SAME_STMT.
11538
11539 2004-07-03  Richard Henderson  <rth@redhat.com>
11540
11541         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
11542         fp plus with minus.
11543
11544 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11545
11546         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
11547         with tree_int_cst_equal.
11548
11549 2004-07-03  Andreas Schwab  <schwab@suse.de>
11550
11551         * config/ia64/ia64.md: Define new attribute "empty".
11552         (prologue_use, nop_x, insn_group_barrier): Set it.
11553
11554         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
11555         skip over "empty" insns.
11556
11557 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11558
11559         * tree-inline.c (initialize_inlined_parameters): Pass proper function
11560         context to gimplify_body.
11561         (walk_tree): Don't walk into types twice.
11562         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
11563
11564         * tree-sra.c (generate_element_init): Remove any useless conversions.
11565
11566         * gimplify.c (gimplify_conversion): Remove stripping useless
11567         conversions from here.
11568         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
11569         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
11570         Unshare before substituting PLACEHOLDER_EXPR.
11571         (gimplify_modify_expr_to_memset): Likewise.
11572         Pass address of TO to memset, not TO itself.
11573         (gimplify_init_constructor): Make copy of OBJECT so we have it each
11574         time we make an expression (to match a PLACEHOLDER_EXPR).
11575
11576         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
11577         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
11578         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
11579         * tree-ssa-dom.c (local_fold): Likewise.
11580
11581         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
11582         * langhooks.h (strct lang_hooks): New field type_max_size.
11583         * function.c (assign_temp): Call it.
11584
11585 2004-07-03  Steven Bosscher  <stevenb@suse.de>
11586
11587         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
11588         * config/sh/sh.md: Convert the SH1 pipeline description to
11589         a DFA model.
11590
11591 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
11592
11593         * c-decl.c (struct c_binding): Remove contour field; add
11594         depth, invisible, nested fields.
11595         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
11596         (B_IN_EXTERNAL_SCOPE): New convenience macros.
11597         (bind): Add invisible and nested arguments. Initialize
11598         new fields of struct c_binding; adjust loop scanning for
11599         insertion point.
11600         (free_binding_and_advance): Clear structure with memset.
11601         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
11602         in file scope, even if it's in external scope too.
11603         (pushdecl): Adjust to match.  Create invisible file-scope
11604         declarations for block-scope forward declarations of static functions.
11605         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
11606         (undeclared_variable, lookup_label, declare_label, define_label)
11607         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
11608         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
11609         (store_parm_decls_oldstyle): Adjust to match.
11610         (diagnose_mismatched_decls): Correct handling of linkage clashes.
11611         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
11612
11613         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
11614         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
11615
11616 2004-07-02  Richard Henderson  <rth@redhat.com>
11617
11618         * c-decl.c (grokdeclarator): Don't frob current_function_decl
11619         around variable_size.
11620         (set_decl_nonlocal): Remove.
11621         (store_parm_decls): Add stmts for pending sizes.
11622         * calls.c (calls_function, calls_function_1): Remove.
11623         (precompute_arguments): Don't call it.
11624         * cfgexpand.c (set_save_expr_context): Remove.
11625         (tree_expand_cfg): Don't call it.
11626         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
11627         (dwarf2out_finish): Likewise.
11628         * expr.c (emit_block_move): Adjust addresses to BLKmode.
11629         (store_constructor): Don't pre-evaluate SAVE_EXPR.
11630         (safe_from_p): Don't queue SAVE_EXPRs.
11631         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
11632         or build plain VAR_DECLs.
11633         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
11634         (fold): Likewise.
11635         (fold_checksum_tree): Don't special-case SAVE_EXPR.
11636         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
11637         (put_var_into_stack): Don't handle SAVE_EXPR.
11638         (gen_mem_addressof): Likewise.
11639         * function.h (struct function): Remove x_save_expr_regs.
11640         (save_expr_regs): Remove.
11641         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
11642         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
11643         * stor-layout.c (variable_size): Don't set it.
11644         (force_type_save_exprs, force_type_save_exprs_1): Remove.
11645         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
11646         all callers.  Don't set SAVE_EXPR_CONTEXT.
11647         * tree-inline.h (remap_save_expr): Update decl.
11648         * tree.c (save_expr): Update build size.
11649         (first_rtl_op): Don't handle SAVE_EXPR.
11650         (unsave_expr_1, contains_placeholder_p): Likewise.
11651         (decl_function_context): Likewise.
11652         * tree.def (SAVE_EXPR): Remove args 1 and 2.
11653         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
11654         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
11655
11656 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11657
11658         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
11659         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
11660         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
11661         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
11662         some first-person references and patronizing comments.  Based on
11663         printed manual.
11664         * doc/invoke.texi: Don't reference fortran@gnu.org.
11665         * doc/trouble.texi (Warning when a non-void function value is
11666         ignored): Rewrite.  From Russ Allbery and Chris Devers.
11667
11668 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
11669
11670         * tree-ssa-pre.c (bitmap_set_t): New.
11671         (bb_value_sets): avail_out is now a bitmap_set_t.
11672         (bitmap_find_leader): New function.
11673         (bitmap_value_insert_into_set): Ditto.
11674         (bitmap_set_copy): Ditto.
11675         (bitmap_value_replace_in_set): Ditto.
11676         (bitmap_set_contains_value): Ditto.
11677         (bitmap_set_new): Ditto.
11678         (bitmap_set_pool): New pool.
11679         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
11680         (insert_aux): Ditto.
11681         (add_to_sets): Ditto.
11682         (compute_avail): Ditto
11683         (eliminate): Ditto.
11684         (init_pre): Ditto.
11685         (fini_pre): Ditto.
11686         (execute_pre): Ditto.
11687
11688 2004-07-02  Roger Sayle  <roger@eyesopen.com>
11689
11690         * config/rs6000/rs6000.c (struct processor_costs): New structure
11691         used to hold instruction latencies/sizes for processor types.
11692         (rs6000_cost): New global variable pointing to current CPU's costs.
11693         (rs6000_override_options): Initialize rs6000_cost to point to the
11694         appropriate cost table based upon rs6000_cpu and optimize_size.
11695         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
11696         timings inline.
11697
11698 2004-07-02  Richard Henderson  <rth@redhat.com>
11699
11700         * expmed.c (make_tree): Don't use SET_DECL_RTL.
11701
11702 2004-07-02  Steven Bosscher  <stevenb@suse.de>
11703
11704         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
11705
11706 2004-07-01  Richard Henderson  <rth@redhat.com>
11707
11708         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
11709         (alpha_gp_save_rtx): Use assign_stack_local instead of
11710         gen_mem_addressof.
11711
11712 2004-07-01  Richard Henderson  <rth@redhat.com>
11713
11714         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
11715         (alpha_rtx_cost_data): Update to match.
11716         (alpha_rtx_cost_size): New.
11717         (alpha_rtx_costs): Honor optimize_size.
11718
11719 2004-07-01  Richard Henderson  <rth@redhat.com>
11720
11721         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
11722         * cfgexpand.c (tree_expand_cfg): Do it here.
11723         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
11724         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
11725         * config/mips/mips.c (mips_output_mi_thunk): And here.
11726         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
11727         * config/sh/sh.c (sh_output_mi_thunk): And here.
11728         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
11729
11730 2004-07-01  Richard Henderson  <rth@redhat.com>
11731
11732         * tree.def (RTL_EXPR): Remove.
11733         * c-typeck.c (lvalue_p): Don't handle it.
11734         * expr.c (safe_from_p): Likewise.
11735         (expand_expr_real_1): Likewise.
11736         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
11737         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
11738         * gengtype.c (adjust_field_tree_exp): Likewise.
11739         * stmt.c (warn_if_unused_value): Likewise.
11740         * tree-gimple.c (recalculate_side_effects): Likewise.
11741         * tree-pretty-print.c (dump_generic_node): Likewise.
11742         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
11743         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
11744         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
11745
11746         * stmt.c (struct stmt_status): Remove x_last_expr_type,
11747         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
11748         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
11749         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
11750         all the bits that tracked last_expr.
11751         (expand_end_bindings): Don't track last_expr.
11752         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
11753         (clear_last_expr): Remove.
11754         (expand_asm): Don't call it.
11755         (expand_asm_operands, expand_end_cond): Likewise.
11756         (expand_naked_return, expand_null_return_1): Likewise.
11757         * c-typeck.c (c_begin_compound_stmt): Likewise.
11758         * cfgexpand.c (expand_block): Use expand_expr_stmt.
11759         * expr.c (expand_expr_real_1): Likewise.
11760         * tree.h: Update prototypes.
11761
11762         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
11763         (struct emit_status): Remove sequence_rtl_expr.
11764         (struct function): Remove x_rtl_expr_chain.
11765         (seq_rtl_expr, rtl_expr_chain): Remove.
11766         * function.c (struct temp_slot): Remove rtl_expr.
11767         (assign_stack_temp_for_type): Don't set it.
11768         (free_temp_slots, pop_temp_slots): Don't check it.
11769         (free_after_compilation): Don't clear x_rtl_expr_chain.
11770         (fixup_var_refs): Don't search it.
11771         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
11772         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
11773         or seq_rtl_expr.
11774         (push_topmost_sequence): Likewise.
11775         (end_sequence, init_emit): Likewise.
11776         (start_sequence_for_rtl_expr): Remove.
11777         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
11778         * rtl.h (preserve_rtl_expr_result): Remove.
11779
11780 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
11781
11782         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
11783         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
11784         typos.
11785
11786 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11787
11788         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
11789         (STANDARD_STARTFILE_PREFIX_2): Define.
11790         (standard_startfile_prefix_1): Initialize to
11791         STANDARD_STARTFILE_PREFIX_1.
11792         (standard_startfile_prefix_2): Initialize to
11793         STANDARD_STARTFILE_PREFIX_2.
11794         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
11795         (STANDARD_STARTFILE_PREFIX_1): Define.
11796         (STANDARD_STARTFILE_PREFIX_2): Define.
11797         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
11798         (STANDARD_STARTFILE_PREFIX_2): Document.
11799
11800 2004-07-01  Richard Henderson  <rth@redhat.com>
11801
11802         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
11803         in order to disable scalarization.  Instead set a flag and wait
11804         for a candidate decl.
11805
11806 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11807
11808         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
11809         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
11810         Use terminology "testsuite" and "enumerated".
11811
11812 2004-07-01  Richard Henderson  <rth@redhat.com>
11813
11814         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
11815         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
11816         (initial_return_save): Likewise.
11817         (flush_queued_reg_saves): Remap register numbers.
11818         (dwarf2out_return_reg): Likewise.
11819
11820 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11821
11822         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
11823
11824         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
11825         access functions for lower bound and element size and only output
11826         if lower bound nonzero or element size not same as that of type.
11827         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
11828
11829 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11830
11831         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
11832
11833 2004-07-01  Per Bothner  <per@bothner.com>
11834
11835         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
11836
11837 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
11838
11839         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
11840         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
11841         first operand.  Don't optimize if the bitfield is volatile.
11842
11843 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11844
11845         * c-pretty-print.c (pp_c_postfix_expression): Handle
11846         floating-point comparison operators.
11847         (pp_c_expression): Pass floating-point comparison
11848         operators to pp_c_postfix_expression.
11849
11850 2004-07-01  Roger Sayle  <roger@eyesopen.com>
11851
11852         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
11853         rtx_cost instead of "had_mult" to determine whether the transformed
11854         expression is cheaper than the original.
11855
11856 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
11857
11858         * alias.c (get_alias_set, canon_rtx, get_addr,
11859         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
11860         Use MEM_P.
11861         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
11862         expand_builtin): Likewise.
11863         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
11864         Likewise.
11865         * combine.c (can_combine_p, combinable_i3pat, try_combine,
11866         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
11867         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
11868         record_dead_and_set_regs_1, get_last_value_validate,
11869         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
11870         * cse.c (check_dependence, canon_hash, equiv_constant,
11871         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
11872         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
11873         count_reg_usage): Likewise.
11874         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
11875         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
11876         cselib_record_sets): Likewise.
11877         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
11878         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
11879         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
11880         * df.c (df_uses_record): Likewise.
11881         * dojump (do_jump): Likewise.
11882         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
11883         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
11884         decl_start_label): Likewise.
11885         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
11886         operand_subword, change_address_1, make_safe_from): Likewise.
11887         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
11888         stabilize, force_not_mem): Likewise.
11889         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
11890         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
11891         * expr.c (convert_move, convert_modes, emit_block_move,
11892         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
11893         emit_move_insn_1, expand_assignment, store_expr,
11894         store_constructor_field, store_constructor, store_field,
11895         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
11896         Likewise.
11897         * final.c (cleanup_subreg_operands, alter_subreg,
11898         get_mem_expr_from_op): Likewise.
11899         * flow.c (notice_stack_pointer_modification_1,
11900         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
11901         Likewise.
11902         * function.c (mark_temp_addr_taken, preserve_temp_slots,
11903         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
11904         optimize_bit_field, flush_addressof, purge_addressof_1,
11905         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
11906         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
11907         keep_stack_depressed): Likewise.
11908         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
11909         noce_process_if_block, find_memory): Likewise.
11910         * integrate.c (subst_constants, allocate_initial_values): Likewise.
11911         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
11912         update_equiv_regs): Likewise.
11913         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
11914         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
11915         * optabs.c (expand_abs, emit_unop_insn): Likewise.
11916         * passes.c (rest_of_handle_final): Likewise.
11917         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
11918         move2add_note_store): Likewise.
11919         * ra-build.c (detect_remat_webs): Likewise.
11920         * ra-debug.c (dump_static_insn_cost): Likewise.
11921         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
11922         * recog.c (validate_change, apply_change_group, cancel_changes,
11923         validate_replace_rtx_1, general_operand, register_operand,
11924         nonmemory_operand, push_operand, pop_operand, memory_operand,
11925         indirect_operand, asm_operand_ok, offsettable_memref_p,
11926         offsettable_nonstrict_memref_p, constrain_operands,
11927         store_data_bypass_p): Likewise.
11928         * reg-stack.c (subst_stack_regs_pat): Likewise.
11929         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
11930         copy_cost, reg_scan_mark_refs): Likewise.
11931         * regmove.c (optimize_reg_copy_3, stack_memref_p,
11932         combine_stack_adjustments_for_block): Likewise.
11933         * regrename.c (copyprop_hardreg_forward_1): Likewise.
11934         * reload.c (can_reload_into, push_reload, decompose, immune_p,
11935         find_reloads, find_reloads_address, find_reloads_address_1,
11936         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
11937         find_equiv_reg): Likewise.
11938         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
11939         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
11940         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
11941         delete_address_reloads): Likewise.
11942         * resource.c (mark_referenced_resources): Likewise.
11943         * rtlanal.c (get_jump_table_offset, count_occurrences,
11944         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
11945         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
11946         num_sign_bit_copies1): Likewise.
11947         * rtlhooks.c (gen_lowpart_general): Likewise.
11948         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
11949         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
11950         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
11951         sdbout_global_decl): Likewise.
11952         * simplify-rtx.c (simplify_subreg): Likewise.
11953         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
11954         expand_anon_union_decl, expand_end_case_type): Likewise.
11955         * unroll.c (calculate_giv_inc): Likewise.
11956         * var-tracking.c (stack_adjust_offset_pre_post,
11957         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
11958         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
11959         vt_add_function_parameters): Likewise.
11960         * varasm.c (make_var_volatile, notice_global_symbol,
11961         assemble_external, decode_addr_const, mark_weak,
11962         default_encode_section_info): Likewise.
11963
11964 2004-07-01  Steven Bosscher  <stevenb@suse.de>
11965
11966         * stmt.c (check_seenlabel): Remove.
11967         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
11968
11969 2004-07-01  Richard Henderson  <rth@redhat.com>
11970
11971         * function.h (struct function): Remove x_function_call_count.
11972         (function_call_count): Remove.
11973         * calls.c (expand_call): Don't set it.
11974         * integrate.c (copy_rtx_and_substitute): Likewise.
11975
11976         * function.h (struct function): Remove x_cleanup_label.
11977         (cleanup_label): Remove.
11978         * stmt.c (expand_value_return): Don't use it.
11979         * function.c (free_after_compilation): Don't set it.
11980         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
11981         * cfgexpand.c (tree_expand_cfg): Update call.
11982         * tree.h (expand_function_start): Update decl.
11983
11984 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11985
11986         PR c/1027
11987         * c-lang.c (c_initialize_diagnostics): Move from here ...
11988         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
11989         (c_tree_printer): Use pretty-printer to format %T.
11990         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
11991         before '*' if not C++.
11992         (pp_c_direct_abstract_declarator): Don't try to print array upper
11993         bound for flexible array members.
11994         * c-tree.h: Include "diagnostic.h".
11995         (c_initialize_diagnostics): Declare.
11996         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
11997         * c-format.c (format_type_warning): New function.  Improve
11998         diagnostics for incorrect format argument types.
11999         (check_format_types): Use it.  Add two parameters.  Use the
12000         TYPE_MAIN_VARIANT of wanted_type.
12001         (check_format_info_main): Pass new parameters to
12002         check_format_types.
12003         (struct format_wanted_type): Update comment.
12004
12005 2004-07-01  Nick Clifton  <nickc@redhat.com>
12006
12007         * target.h (struct gcc_target): Add new field to struct cxx:
12008         import_export_class.
12009         * target-def.h (TARGET_CXX): Initialise the new field.
12010         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
12011         the new field.
12012         * doc/tm.texi: Document the new target hook.
12013
12014 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12015
12016         * builtins.c (fold_builtin_classify): Fix typo.
12017
12018 2004-07-01  Richard Henderson  <rth@redhat.com>
12019
12020         * function.c (identify_blocks, identify_blocks_1): Remove.
12021         * function.h (identify_blocks): Remove.
12022         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
12023
12024 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12025
12026         * builtins.c (fold_builtin_classify): New.
12027         (fold_builtin_unordered_cmp): Fix commentary.
12028         (fold_builtin): Use it.
12029         * builtins.def: Define builtins for isnan,
12030         isnanf, isnanl, finite, finitef, finitel,
12031         isinf, isinff, isinfl.
12032
12033 2004-07-01  Richard Henderson  <rth@redhat.com>
12034
12035         * function.h (struct function): Remove dont_emit_block_notes.
12036         * gimple-low.c (lower_function_body): Don't set it.
12037         * cfgexpand.c (expand_block): Don't check it.
12038         * cfglayout.c (insn_locators_initialize): Likewise.
12039         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
12040         * passes.c (rest_of_compilation): Likewise.
12041         * stmt.c (expand_start_bindings_and_block): Likewise.
12042         (expand_end_bindings): Likewise.
12043
12044 2004-07-01  Richard Henderson  <rth@redhat.com>
12045
12046         * cgraph.h (cgraph_build_static_cdtor): Declare.
12047         * cgraphunit.c (cgraph_build_static_cdtor): New.
12048         * c-objc-common.c (build_cdtor): Use it.
12049         * coverage.c (create_coverage): Likewise.
12050         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
12051         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
12052
12053 See ChangeLog.11 for earlier changes.