gcc/ChangeLog

   1 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
   2
   3         * tree-ssa-loop-ivopts.c: New file.
   4         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
   5         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
   6         target_pres_cost, target_spill_cost): Declare.
   7         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
   8         spill_cost): Renamed to ...
   9         (target_avail_regs, target_res_regs, target_small_cost,
  10         target_pres_cost, target_spill_cost): ... and exported.
  11         (init_set_costs, global_cost_for_size): Work with renamed variables.
  12         * common.opt (flag_ivopts): New flag.
  13         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
  14         REF_ORIGINAL.
  15         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
  16         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
  17         generating SSA form.
  18         (force_gimple_operand): New function.
  19         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
  20         * tree-cfg.c (stmt_bsi): New function.
  21         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
  22         PARAM_IV_MAX_CONSIDERED_USES): New.
  23         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
  24         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
  25         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
  26         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
  27         * tree-nested.c (build_addr): Export.
  28         * tree-optimize.c (init_tree_optimization_passes): Add
  29         pass_iv_optimize.
  30         * tree-pass.h (pass_iv_optimize): Declare.
  31         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
  32         IMAGPART_EXPR.
  33         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
  34         as a phi node argument.
  35         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
  36         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
  37         functions.
  38         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
  39         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
  40         pass_iv_optimize): New pass.
  41         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
  42         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
  43         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
  44         * tree.h (REF_ORIGINAL): New macro.
  45         (build_int_cst_type, unsigned_type_for, zero_p,
  46         cst_and_fits_in_hwi, build_addr): Declare.
  47         * doc/invoke.texi (-fivopts): Document.
  48         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
  49         PARAM_IV_MAX_CONSIDERED_USES): Document.
  50         * doc/passes.texi: Document induction variable optimizations pass.
  51
  52 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  53
  54         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
  55         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
  56         * c-common.c (c_common_attribute_table): Accept parameters to
  57         sentinel attribute.
  58         (check_function_sentinel, handle_sentinel_attribute): Likewise.
  59         * doc/extend.texi: Update accordingly.
  60
  61 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  62
  63         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
  64         New.
  65         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
  66         attribute.
  67         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
  68         New functions.
  69         (c_common_attribute_table): Add `sentinel' attribute.
  70         (check_function_arguments): Handle `sentinel' attribute.
  71         * doc/extend.texi: Document `sentinel' attribute.
  72
  73 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
  74
  75         * configure: Regenerated.
  76
  77 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
  78
  79         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
  80
  81         * tree.c (save_expr): No longer TREE_READONLY.
  82
  83 2004-09-04  Jan Hubicka  <jh@suse.cz>
  84
  85         * passes.c (rest_of_clean_state):  Fix merge conflict made during
  86         commiting the patch.
  87
  88 2004-09-04  Jan Hubicka  <jh@suse.cz>
  89
  90         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
  91
  92 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
  93
  94         * doc/md.texi (shift patterns): New anchor.  Add reference to
  95         TARGET_SHIFT_TRUNCATION_MASK.
  96         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
  97         * target.h (shift_truncation_mask): New target hook.
  98         * targhook.h (default_shift_truncation_mask): Declare.
  99         * targhook.c (default_shift_truncation_mask): Define.
 100         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
 101         (TARGET_INITIALIZER): Include it.
 102         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
 103         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
 104         reject all out-of-range values.  Fix sign-extension code for modes
 105         whose width is smaller than HOST_BITS_PER_WIDE_INT.
 106         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
 107         (expand_superword_shift, expand_subword_shift): Likewise.
 108         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
 109         (expand_binop): Use them to implement double-word shifts.
 110         * config/arm/arm.c (arm_shift_truncation_mask): New function.
 111         (TARGET_SHIFT_TRUNCATION_MASK): Define.
 112
 113 2004-09-04  Jan Hubicka  <jh@suse.cz>
 114
 115         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
 116         (mix): New macro copied from hashtab.c
 117         (iterative_hash_hashval_t, iterative_hash_pointer,
 118         iterative_hash_host_wide_int): New functions based on hashtab.c
 119         implementation.
 120
 121 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
 122
 123         * config/mips/mips.md (mask): New mode attribute.
 124         (zero_extendsidi2): Add memory alternative.
 125         (*zero_extendsidi2_mem): Delete.
 126         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
 127         memory_operand in the TARGET_MIPS16 check.
 128         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
 129         Redefine using :GPR and :SHORT.
 130         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
 131
 132 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
 133
 134         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
 135         using rint_optab.
 136         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
 137         expand_builtin_mathfn.
 138         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
 139         btrunc?f patterns for btrunc_optab. Implement rint_optab using
 140         rint?f patterns.
 141         * optabs.c (init_optabs): Initialize rint_optab.
 142         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
 143         Add new OTI_rint.
 144         (btrunc_optab): Rename macro from trunc_optab.
 145         (rint_optab): Define corresponding macro.
 146
 147         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
 148         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
 149
 150         * config/i386/i386-protos.h (emit_i387_cw_initialization):
 151         Change prototype. Add new int parameter.
 152         * config/i386/i386.c (emit_i387_cw_initialization):
 153         Handle new rounding modes.
 154
 155         * config/i386/i386.h (enum fp_cw_mode): Delete.
 156         (MODE_NEEDED): Handle new rounding modes.
 157         (EMIT_MODE_SET): Change condition to handle new rounding modes.
 158
 159         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
 160         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
 161         represent different rounding modes of frndint insn.
 162         (type): Add frndint type.
 163         (i387, length, memory): Handle this type.
 164         (i387_cw): New attribute definition.
 165         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
 166         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
 167         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
 168         Add "i387_cw" attribute defined to "trunc".
 169         (x86_fnstcw_1): Remove comment.
 170         (*frndintxf2): Rename insn definition to frndintxf2. Move
 171         insn definition near rint?f2 expanders.
 172         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
 173         rintf and rintl built-ins as inline x87 intrinsics.
 174         (frndintxf2_floor): New pattern to implement floor rounding
 175         mode with frndint x87 instruction.
 176         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
 177         floorf and floorl built-ins as inline x87 intrinsics.
 178         (frndintxf2_ceil): New pattern to implement ceil rounding
 179         mode with frndint x87 instruction.
 180         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
 181         ceilf and ceill built-ins as inline x87 intrinsics.
 182         (frndintxf2_trunc): New pattern to implement trunc rounding
 183         mode with frndint x87 instruction.
 184         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
 185         truncf and truncl built-ins as inline x87 intrinsics.
 186         (frndintxf2_mask_pm): New pattern to implement rounding
 187         mode with exceptions with frndint x87 instruction.
 188         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
 189         implement nearbyint, nearbyintf and nearbyintl built-ins as
 190         inline x87 intrinsics.
 191
 192 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
 193
 194         * config/mips/mips.md (SHORT): New mode macro.
 195         (size): New mode attribute.
 196         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
 197         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
 198         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
 199         !ISA_HAS_SEB_SEH.
 200         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
 201         *extend[qh]isi2_hw patterns and extending them to di.
 202         (extendqihi2): Implement as define_insn_and_split that produces
 203         extendqisi2 after reload.
 204
 205 2004-09-03  Devang Patel  <dpatel@apple.com>
 206
 207         * Makefile.in (OBJS-common): Add tree-if-conv.o
 208         (tree-if-conv.o): New rule.
 209         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
 210         (get_loop_body_in_bfs_order): New.
 211         * cfgloop.h (get_loop_body_in_bfs_order): New.
 212         * tree-flow.h (enum move_pos): Move here from ..
 213         * tree-ssa-loop-im.c (enum move_pos): here.
 214         (movement_possibility): Make externally visible.
 215         * tree-optimize.c (init_tree_optimization_passes): New entry for
 216         if conversion pass.
 217         * tree-pass.h (pass_if_conversion): New.
 218         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
 219         * tree-if-conv.c: New file.
 220         * doc/passes.texi: Document tree if-conversion pass.
 221         * doc/tree-ssa.texi: Same.
 222
 223 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 224
 225         PR target/14925:
 226         Makefile.in (LIB2ADDEHSTATIC): New.
 227         (LIB2ADDEHSHARED): New.
 228         (LIBUNWIND): New.
 229         (LIBUNWINDDEP): New.
 230         (SHLIBUNWIND_LINK): New.
 231         (SHLIBUNWIND_INSTALL): New.
 232         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
 233         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
 234         (clean): Remove libunwind*
 235         (stage1-start): Remove and copy stage1/libunwind*.
 236         (stage2-start): Remove and copy stage2/libunwind*.
 237         (stage3-start): Remove and copy stage3/libunwind*.
 238         (stage4-start): Remove and copy stage4/libunwind*.
 239         (stageprofile-start): Remove and copy stageprofile/libunwind*.
 240         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
 241
 242         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
 243         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
 244         tmake_file if --with-system-libunwind isn't used.
 245
 246         * config/ia64/t-glibc-libunwind: New file.
 247         * config/t-libunwind-elf: Likewise.
 248         * unwind-compat.c: Likewise.
 249         * unwind-compat.h: Likewise.
 250         * unwind-dw2-fde-compat.c: Likewise.
 251
 252         * config/ia64/t-glibc (LIB2ADDEH): Updated.
 253         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
 254
 255         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
 256         aliases if needed.
 257         * unwind-dw2-fde-glibc.c: Likewise.
 258         * unwind-dw2.c: Likewise.
 259
 260         * config/t-libunwind (LIB2ADDEH): Updated.
 261         (LIB2ADDEHSTATIC): New.
 262         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
 263         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
 264
 265         * configure.ac: Change --enable-libunwind-exceptions to
 266         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
 267         * configure: Regenerated.
 268         * config.in: Updated.
 269
 270         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
 271         above and mention --with-system-libunwind.
 272         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
 273         removed in gcc 3.4.3 and later.
 274
 275         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
 276         USE_LIBUNWIND_EXCEPTIONS is defined.
 277
 278         * mklibgcc.in: Support libunwind.
 279
 280 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 281
 282         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
 283         m_NOCONA.
 284
 285 2004-09-03  Richard Henderson  <rth@redhat.com>
 286
 287         PR middle-end/9997
 288         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
 289         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
 290         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
 291         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
 292         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
 293         resize_stack_vars_conflict, add_stack_var_conflict,
 294         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
 295         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
 296         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
 297         expand_one_static_var, expand_one_hard_reg_var,
 298         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
 299         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
 300         (expand_used_vars): Rewrite.
 301         * Makefile.in (cfgexpand.o): Update dependencies.
 302
 303 2004-09-04  Jan Hubicka  <jh@suse.cz>
 304
 305         * cfg.c (free_edge): Use ggc_free.
 306         (expunge_block): Use ggc_free.
 307         * passes.c (rest_of_clean_state): Free after compilation.
 308         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
 309         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
 310
 311 2004-09-03  James E Wilson  <wilson@specifixinc.com>
 312
 313         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
 314         DECL_EXTERNAL check.
 315
 316 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 317
 318         * final.c (output_in_slot): New global variable.
 319         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
 320         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
 321         'output_in_slot' before invoking output_asm_insn.
 322         (output_asm_insn): Add a space after the tab if 'output_in_slot'
 323         is set.
 324         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
 325         final_scan_insn.
 326         (output_sibcall): Likewise.
 327
 328 2004-09-03  Jan Hubicka  <jh@suse.cz>
 329
 330         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
 331         * tree-ssanames (init_ssanames): Likewise.
 332
 333 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
 334
 335         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
 336         objc_declare_protocols, objc_start_protocol,
 337         objc_start_class_interface, objc_start_category_interface,
 338         objc_continue_interface, objc_finish_interface,
 339         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
 340         objc_start_class_implementation, objc_start_category_implementation,
 341         objc_continue_implementation, objc_finish_implementation,
 342         objc_add_method_declaration, objc_start_method_definition,
 343         objc_finish_method_definition, objc_build_keyword_decl,
 344         objc_build_method_signature, objc_build_encode_expr,
 345         objc_build_protocol_expr, objc_build_selector_expr,
 346         objc_build_message_expr, objc_build_string_object,
 347         objc_get_class_reference, objc_get_protocol_qualified_type,
 348         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
 349
 350 2004-09-03  James E Wilson  <wilson@specifixinc.com>
 351
 352         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
 353
 354         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
 355         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
 356         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
 357         (mips_recip1_<fmt>): Use frdiv1 type.
 358         (mips_recip2_<fmt>): Use frdiv2 type.
 359         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
 360         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
 361         and frsqrt1.
 362         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
 363
 364 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
 365
 366         * reload.c (find_reloads): Swap operand_loc pointers for
 367         find_dummy_reload if we have swapped two operands.
 368
 369 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
 370
 371         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
 372         to get the tablejump-insn before the jump-table label.
 373
 374 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
 375
 376         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
 377         objc_declare_protocols, objc_build_message_expr,
 378         objc_finish_message_expr, objc_build_selector_expr,
 379         objc_build_protocol_expr, objc_build_encode_expr,
 380         objc_build_string_object, objc_get_protocol_qualified_type,
 381         objc_get_class_reference, objc_get_class_ivars,
 382         objc_start_class_interface, objc_start_category_interface,
 383         objc_start_protocol, objc_continue_interface, objc_finish_interface,
 384         objc_start_class_implementation, objc_start_category_implementation,
 385         objc_continue_implementation, objc_finish_implementation,
 386         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
 387         objc_add_method_declaration, objc_start_method_definition,
 388         objc_finish_method_definition, objc_add_instance_variable,
 389         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
 390         objc_finish_try_stmt, objc_begin_catch_clause,
 391         objc_finish_catch_clause, objc_build_finally_clause,
 392         objc_build_synchronized, objc_static_init_needed_p,
 393         objc_generate_static_init_call): New prototypes.
 394
 395 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
 396
 397         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
 398         is only one reg.
 399         (ia64_function_value): Ditto.
 400
 401 2004-09-03  Jan Beulich  <jbeulich@novell.com>
 402
 403         * config.gcc: Resurrect NetWare as a target. Handle special case of
 404         Novell linker to be used (specified through --with-ld=) and threading
 405         model of either Posix (default) or NKS.
 406         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
 407         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
 408         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
 409         * config/i386/netware.c, config/i386/netware.h: New.
 410         * config/i386/nwld.c, config/i386/nwld.h: New.
 411         * config/i386/netware-crt0.c: New.
 412         * config/i386/netware-libgcc.c: New.
 413         * config/i386/netware-libgcc.def: New.
 414         * config/i386/netware-libgcc.exp: New.
 415         * config/i386/t-netware, config/i386/t-nwld: New.
 416         * gthr-nks.h: New.
 417         * doc/install.texi: Document NKS threading model.
 418
 419 2004-09-03  Jan Beulich  <jbeulich@novell.com>
 420
 421         PR c/7054
 422         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
 423         * tree.h (initial_max_fld_align): Declare
 424         * stor-layout.c (initial_max_fld_align): Define and initialize.
 425         (maximum_field_alignment): Initialize to the same value.
 426         * common.opt: Add -fpack-struct= variant of switch.
 427         * opts.c: Handle -fpack-struct= variant of switch.
 428         * c-pragma.c: Change #pragma pack() handling so that it becomes
 429         compatible to other compilers: accept individual 'push' argument,
 430         make final pop restore (command line) default, correct interaction
 431         of push/pop and sole specification of a new alignment (so that the
 432         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
 433         to #pragma pack(push, <n>).
 434         * doc/extend.texi: New node "Structure-Packing Pragmas" under
 435         "Pragmas", describing #pragma pack.
 436         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
 437         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
 438         Document new TARGET_DEFAULT_PACK_STRUCT.
 439
 440 2004-09-03  Devang Patel  <dpatel@apple.com>
 441
 442         * dwarf2out.c (gen_field_die). Equate decl number to die.
 443
 444 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
 445
 446         PR target/15832
 447         * global.c (modify_reg_pav): New function.
 448         (make_accurate_live_analysis): Call the new function.  Move pavin
 449         modification by earlyclobber set into the new function.
 450
 451 2004-09-03  Andreas Schwab  <schwab@suse.de>
 452
 453         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
 454         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
 455         extended.
 456
 457 2004-09-02  Jan Beulich  <jbeulich@novell.com>
 458
 459         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
 460         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
 461         not unwind code specific ones.
 462         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
 463         Remove unwind code specific dependencies.
 464         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
 465         Remove gbl-ctors.h.
 466         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
 467         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
 468         * tsystem.h: Declare memcpy and memset when inhibit_libc.
 469
 470 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
 471
 472         * combine.c (try_combine): Delay modifying of insns which cannot
 473         be easily undone.
 474
 475 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
 476
 477         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
 478         tree-loop-im.
 479         * gcc/tree-ssa-loop.c: Ditto
 480         * gcc/tree-ssa-loop-ivcanon.c: Ditto
 481         * gcc/doc/invoke.texi: Ditto.
 482
 483 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
 484
 485         * c-decl.c (store_parm_decls_newstyle): Make static.
 486         (store_parm_decls_from): New function.
 487         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
 488         (store_parm_decls_from): New prototype.
 489
 490 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
 491
 492         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
 493         HImode with STRICT_ALIGNMENT.
 494
 495 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
 496
 497         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
 498         (TARGET_OS_CPP_BUILTINS): Likewise.
 499         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
 500         TARGET_BPABI_CPP_BUILTINS.
 501
 502 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
 503
 504         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
 505
 506 2004-09-02  Eric Christopher  <echristo@redhat.com>
 507
 508         * builtins.c (expand_builtin_cabs): Delete.
 509         (expand_builtin): If unable to fold the values do a normal
 510         library call for builtin_cab*.
 511         (fold_builtin_cabs): Depend on optimize and optimize_size.
 512         * optabs.c (expand_cmplxdiv_straight): Delete.
 513         (expand_cmplxdiv_wide): Ditto.
 514         (expand_vector_binop): Ditto.
 515         (expand_vector_unop): Ditto.
 516         (expand_complex_abs): Delete.
 517         (expand_binop): Remove calls to above functions.
 518         Remove open coding of complex arithmetic.
 519         (expand_unop): Ditto.
 520         * optabs.h: Remove prototypes.
 521
 522 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
 523
 524         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
 525         * c-tree.h (store_parm_decls_newstyle): New prototype.
 526
 527 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
 528
 529         * config/rs6000/rs6000.c (expand_block_clear): Use vector
 530         instructions if available.
 531         (expand_block_move): Likewise.
 532
 533 2004-09-03  Jan Hubicka  <jh@suse.cz>
 534
 535         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
 536
 537 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
 538
 539         * config/arm/symbian.h (LIB_SPEC): Define to empty.
 540         * config/arm/t-symbian (SHLIB_LC): Likewise.
 541
 542 2004-09-02  Paul Brook  <paul@codesourcery.com>
 543
 544         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
 545
 546 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
 547
 548         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
 549         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
 550         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
 551         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
 552         (mips_issue_rate): Remove unreachable abort.
 553         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 554         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
 555         (mips_block_move_straight, print_operand_address, mips_file_start)
 556         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
 557         (mips_output_conditional_branch, mips_expand_builtin_direct)
 558         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
 559         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
 560         with gcc_assert.
 561
 562 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
 563
 564         * config/mips/mips.md (*lea_high64): Change split condition to
 565         flow2_completed.  Add a peephole2 to generate a more parallel version.
 566
 567 2004-09-02  Jan Hubicka  <jh@suse.cz>
 568
 569         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
 570         GGC.
 571
 572         * ggc-page.c: include tree-flow.h.
 573         (extra_order_size_table): Add stmt_ann_d.
 574         (STAT_LABEL): Rename from ....
 575         (LABEL): ... this one.
 576         * Makefile.in (ggc-page.o): Add dependency.
 577
 578         * ggc-common.c (ggc_force_collect): New global variable.
 579         (loc_description): Add fields "freed", "collected"
 580         (ptr_hash): New static hash
 581         (ptr_hash_entry): New structure.
 582         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
 583         (ggc_record_overhead): Take ptr argument, record it
 584         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
 585         (cmp_statistics): Imrove sorting.
 586         (dump_ggc_loc_statistics): Output newly collected statistics
 587         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
 588         (ggc_free): Call ggc_free_overhead.
 589         (ggc_collect): Force collection when asked to be forced.
 590         (ggc_collect): Call ggc_prune_overhead_list.
 591         * ggc.h (ggc_force_collect): Declare
 592         (ggc_record_overhead): Update prototype.
 593         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
 594
 595 2004-09-02  James E Wilson  <wilson@specifixinc.com>
 596
 597         * common.opt (ftrapping-math): Default to on.
 598
 599 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
 600
 601         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
 602
 603 2004-09-02  Denis Chertykov  <denisc@overta.ru>
 604
 605         PR target/16884
 606         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
 607         match_scratch.
 608         (*movmemqi_insn): Likewise.
 609         (*movmemhi): Likewise.
 610         (clrmemhi): Likewise.
 611         (*clrmemqi): Likewise.
 612         (*clrmemhi): Likewise.
 613
 614 2004-09-02  Paul Brook  <paul@codesourcery.com>
 615
 616         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
 617         default_use_cxa_atexit=yes.
 618
 619 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
 620
 621         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
 622         (struct kernel_old_ucontext): Delete.
 623         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
 624         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
 625         when IN_LIGGCC2.
 626
 627 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
 628
 629         * toplev.c (process_options): Fix typo.
 630
 631 2004-09-01  Richard Henderson  <rth@redhat.com>
 632
 633         PR middle-end/17258
 634         * calls.c (initialize_argument_information): Tighten pass-through
 635         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
 636         Use build_fold_addr_expr.
 637         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
 638         that assumes ADDR_EXPR allocates stack space.
 639         * fold-const.c (build_fold_addr_expr_with_type): Look through
 640         WITH_SIZE_EXPR.
 641
 642 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
 643
 644         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
 645         * ggc.h (ggc_alloc_rtx): Delete.
 646
 647 2004-09-01  Roger Sayle  <roger@eyesopen.com>
 648
 649         * expmed.c (enum alg_code): Remove long unused enumeration values.
 650         (struct mult_cost): New structure to hold the "score" of a synthetic
 651         multiply sequence, including both a rtx_cost and a latency field.
 652         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
 653         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
 654         (struct algorithm): Change type of cost field to be mult_cost.
 655         (synth_mult): Change type of cost_limit argument to be a
 656         pointer to a mult_cost.  Update all cost comparisons to use the
 657         new mult_cost infrastructure.  For alg_add_factor and
 658         alg_sub_factor operations, latency is lower than the rtx_cost.
 659         (choose_mult_variant):  Update calls to synth_mult.  Perform
 660         cost comparisons using the new mult_cost infrastructure.
 661         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
 662         to optain the total rtx_cost of a synth_mult "algorithm".
 663
 664 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
 665
 666         * config/rs6000/power4.md: Increase store latency to 12.
 667         * config/rs6000/power5.md: Same.
 668
 669 2004-09-01  James E Wilson  <wilson@specifixinc.com>
 670
 671         PR target/14064
 672         * config/avr/avr.c (avr_unique_section): Delete prototype and
 673         definition.
 674         (TARGET_ASM_UNIQUE_SECTION): Delete.
 675
 676 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
 677
 678         * c-parse.in (primary): Call objc_build_message_expr(),
 679         objc_build_selector_expr(), objc_build_protocol_expr(),
 680         objc_build_encode_expr() and objc_build_string_object() instead of
 681         build_message_expr(), build_selector_expr(), build_protocol_expr(),
 682         build_encode_expr() and build_objc_string_object(), respectively.
 683         (component_decl_list2): Call objc_get_class_ivars() instead of
 684         get_class_ivars_from_name().
 685         (keyworddecl): Call objc_build_keyword_decl() instead of
 686         build_keyword_decl().
 687         (receiver): Call objc_get_class_reference() instead of
 688         get_class_reference().
 689         (reswords): Add blank line before @@ifobjc section, for clarity.
 690
 691 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
 692
 693         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
 694         to Altivec vetors.
 695
 696 2004-09-01  Wu Yongwei  <adah@sh163.net>
 697             Danny Smith  <dannysmith@users.sourceforge.net>
 698
 699         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
 700         not Windows 'DWORD'.
 701         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
 702         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
 703         (__gthr_win32_recursive_mutex_init_function): Add prototype for
 704         __GTHREAD_HIDE_WIN32API case..
 705         (__gthr_win32_recursive_mutex_lock): Likewise.
 706         (__gthr_win32_recursive_mutex_trylock): Likewise.
 707         (__gthr_win32_recursive_mutex_unlock): Likewise.
 708         (__gthread_recursive_mutex_init_function); Add definition for
 709         __GTHREAD_HIDE_WIN32API case.
 710         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
 711         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
 712         call to InterlockedDecrement.
 713
 714 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 715
 716         * tree-tailcall.c (find_tail_calls): Also fail is statement has
 717         volatile operands.
 718
 719         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
 720
 721         * doc/c-tree.texi: Document new operands for ARRAY_REF and
 722         COMPONENT_REF.
 723
 724 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 725
 726         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
 727         * common.opt (fspeculative-prefetching): New.
 728         * flags.h (flag_speculative_prefetching_set): Declare.
 729         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
 730         values.
 731         * opts.c (flag_sepculative_prefetching_set): New variable.
 732         (common_handle_option): Handle -fspeculative-prefetching.
 733         * passes.c (rest_of_compilation): Ditto.
 734         * profile.c (instrument_values, compute_value_histograms, branch_prob):
 735         Use vectors instead of arrays.
 736         * toplev.c (process_options): Handle -fspeculative-prefetching.
 737         * rtl-profile.c: Include ggc.h.
 738         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
 739         rtl_gen_one_value_profiler_no_edge_manipulation,
 740         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
 741         argument changed.
 742         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
 743         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
 744         argument changed.
 745         * value-prof.c: Include ggc.h.
 746         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
 747         macros.
 748         (insn_prefetch_values_to_profile, find_mem_reference_1,
 749         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
 750         speculative_prefetching_transform): New.
 751         (value_profile_transformations): Call speculative_prefetching_transform.
 752         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
 753         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
 754         tree_find_values_to_profile, find_values to profile): Use vectors
 755         instead of arrays.
 756         (free_profiled_values): Removed.
 757         * value-prof.h (struct histogram_value): Renamed to
 758         struct histogram_value_t.
 759         (histogram_value, histogram_values): New types.
 760         (find_values_to_profile): Declaration changed.
 761         (free_profiled_values): Removed.
 762         (struct profile_hooks): Type of argument of the hooks changed to
 763         histogram_value.
 764         * doc/invoke.texi (-fspeculative-prefetching): Document.
 765
 766 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 767
 768         PR rtl-optimization/16408
 769         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
 770
 771 2004-09-01  Richard Henderson  <rth@redhat.com>
 772
 773         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
 774         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
 775
 776 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
 777
 778         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
 779
 780 2004-09-01  Mike Stump  <mrs@apple.com>
 781
 782         * config/darwin.c (machopic_symbol_defined_p): In addition to
 783         being SYMBOL_REF_LOCAL_P, a symbol must also be
 784         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
 785         defined in this output file, or translation unit in the case
 786         of IMA not being used.
 787         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
 788         never need .indirect_symbol when indirecting.
 789
 790 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
 791
 792         * Makefile.in (bb-reorder.o): Add several dependencies.
 793
 794 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
 795
 796         * fold-const.c (operand_equal_p): Require equal sign also for
 797         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
 798
 799 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
 800
 801         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
 802         for use in configargs.h.  Put the cname in a separate variable.  Use
 803         that to set target_cpu_default2.
 804
 805 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
 806             Nick Clifton  <nickc@redhat.com>
 807
 808         * config/sh/sh.md ("length"): Increase branch length when
 809         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
 810         constant, 2 byte for aligning the constant.
 811
 812 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
 813
 814         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
 815         CPU.
 816         (arm7tdmi-s): New CPU name.
 817         * arm/arm.c (ARM_CORE): Update for new format.
 818         * arm/arm.h (ARM_CORE): Likewise.
 819         * arm/gentune.sh: Update for extra field.
 820         * config.gcc: Likewise.
 821         * arm/arm-tune.md: Regenerate.
 822         * doc/invoke.texi: Document the real processor names for ARM cpus.
 823
 824 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
 825
 826         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
 827         (floatdidf): New functions.
 828         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
 829         (floatdisf): New functions.
 830         * t-arm-elf: Use them.
 831
 832 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
 833
 834         * c-common.h (lookup_interface): Remove prototype.
 835         (is_class_name): Rename to objc_is_class_name.
 836         (lookup_objc_ivar): Rename to objc_lookup_ivar.
 837         (get_current_scope): Rename to objc_get_current_scope.
 838         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
 839         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
 840         (yylexname): Call objc_is_class_name() instead of is_class_name().
 841         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
 842         instead of lookup_objc_ivar().
 843         * stub-objc.c (lookup_interface): Remove stub.
 844         (is_class_name): Rename to objc_is_class_name.
 845         (lookup_objc_ivar): Rename to objc_lookup_ivar.
 846
 847 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
 848
 849         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
 850         * config/arm/lib1funcs.asm: Do not include supplemental .S files
 851         when compiling for Symbian.
 852         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
 853         (TARGET_OS_CPP_BUILTINS): Likewise.
 854         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
 855
 856 2004-08-31  Stan Shebs  <shebs@apple.com>
 857
 858         * toplev.c (process_options): Ensure debug_hooks is initialized.
 859
 860 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
 861
 862         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
 863         * target.h (cxx): Add export_class_data.
 864         * config/arm/arm.c (arm_cxx_export_class_data): New function.
 865         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
 866         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
 867
 868 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
 869
 870         * config/sh/sh.c (output_branch): Check the insn length possibly
 871         in the delayed slot.
 872
 873 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 874
 875         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
 876         blank after ')'.
 877         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
 878
 879         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
 880         (c_sizeof_of_alignof_type): Likewise.
 881         * expr.c (array_ref_element_size): Likewise.
 882         (highest_pow2_factor_for_target): Likewise.
 883         * gimplify.c (canonicalize_addr_expr): Likewise.
 884         (gimplify_compound_lval): Likewise.
 885         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
 886         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
 887         * varasm.c (assemble_variable): Likewise.
 888         (output_constant_def_contents): Alignments are unsigned.
 889
 890 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 891             Jeff Law  <law@redhat.com>
 892
 893         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
 894         gets modified.
 895
 896 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
 897
 898         * hooks.c (hook_bool_void_true): New function.
 899         * hooks.h (hook_bool_void_true): Declare.
 900         * target-def.h (TARGET_CXX): Add
 901         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
 902         * target.h (struct cxx): Add key_method_may_be_inline.
 903         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
 904         function.
 905         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
 906         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
 907         __THUMB_INTERWORK.
 908
 909 2004-08-31  Denis Chertykov  <denisc@overta.ru>
 910
 911         PR target/15417
 912         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
 913         frame pointer register only in Pmode while reload in progress.
 914
 915 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
 916
 917         PR target/15334
 918         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
 919         because it breaks the 32-bit shift patterns that rely on a match_dup.
 920
 921 2004-08-31  Matt Austern  <austern@apple.com>
 922
 923         * config/darwin.c (darwin_make_decl_one_only): Allocate section
 924         names once per compilation, instead of once per symbol.
 925
 926 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
 927
 928         * Makefile.in (build_subdir): New substitution.
 929         (fixinc.sh): Simplify heavily since fixincludes is already built.
 930         (stmp-fixinc): Depend on specs.ready.
 931         (install-mkheaders): Use new location of fixincludes.
 932         (clean): Do not descend into fixinc.
 933         (FORBUILD): Replace with ../$(build_subdir).
 934         * configure.ac (build_subdir): Substitute.
 935         (FORBUILD): Do not set.
 936         (all_outputs): Remove fixinc/Makefile.
 937         (default commands): Do not create links in fixinc.
 938         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
 939         the fixincludes configuration steps and substituting
 940         @FIXINCL@ in fixinc.in.
 941         * fixinc.in: New, from fixinc/fixincl.sh.
 942
 943         * fixinc/*: Removed.
 944
 945 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
 946
 947         * attribs.c (strip_attrs): Remove.
 948         (split_specs_attrs): Move ...
 949         * c-decl.c: ... to here.
 950         * tree.h (split_specs_attrs, strip_attrs): Remove.
 951         * c-tree.h (split_specs_attrs): Declare.
 952
 953 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
 954
 955         * read-rtl.c: Disable RTL checking.
 956         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
 957
 958 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
 959
 960         * config/mips/mips.md (fcond): New code macro and attribute.
 961         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
 962         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
 963         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
 964
 965 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
 966
 967         Revert:
 968         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
 969         PR rtl-optimization/16590
 970         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
 971
 972 2004-08-30  Andrew Pinski  <apinski@apple.com>
 973
 974         * hard-reg-set.h:
 975         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
 976         * ChangeLog: Fix previous ChangeLog entry.
 977
 978         PR rtl-opt/13987
 979         * config.host (use_long_long_for_widest_fast_int): New, default is
 980         off.
 981         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
 982         * configure.ac: If use_long_long_for_widest_fast_int, then
 983         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
 984         * configure: Regenerate.
 985         * config.in: Regenerate.
 986         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
 987         New: widest integer type supported efficiently in hardware for the
 988         host.
 989         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
 990         HOST_BITS_PER_WIDEST_FAST_INT.
 991         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
 992         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
 993         HOST_WIDEST_FAST_INT
 994         instead of HOST_WIDE_INT.
 995         (HARD_REG_SET_LONGS): Likewise.
 996         (UHOST_BITS_PER_WIDE_INT): Likewise.
 997         Change the checks for the fast cases to be based on
 998         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
 999
1000 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1001
1002         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1003         not the pointers.
1004
1005 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1006
1007         PR 12738
1008         PR 17205
1009         Radar 3460526
1010         Radar 3775729
1011         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1012         function declaration.
1013
1014 2004-08-30  Richard Henderson  <rth@redhat.com>
1015
1016         * expr.c (array_ref_element_size): Force aligned_size back to
1017         sizetype.
1018         (component_ref_field_offset): Similarly for aligned_offset.
1019         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1020         low-bound, element-size, field-offset fields rather than
1021         computed values.
1022
1023 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1024
1025         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
1026         redundant code.
1027
1028 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1029
1030         * c-tree.h (struct language_function): Add arg_info element.
1031         * c-decl.c (current_function_arg_info): New.
1032         (grokdeclarator, store_parm_decls): Use it instead of
1033         DECL_ARGUMENTS.
1034         (c_push_function_context, c_pop_function_context): Save and
1035         restore it.
1036
1037 2004-08-30  Richard Henderson  <rth@redhat.com>
1038
1039         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
1040         COMPONENT_REF to pointer arithmetic.
1041         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
1042         constant "c" as a valid constant initializer.  Allow narrowing of
1043         differences against the same base object, for any base object.
1044
1045 2004-08-30  Richard Henderson  <rth@redhat.com>
1046
1047         * expr.c (expand_expr_addr_expr): New.
1048         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
1049
1050 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1051
1052         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
1053         (mips_fp_condition): New enum.
1054         (mips_fp_conditions): New array.
1055         (print_fcc_operand): Delete.
1056         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
1057         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
1058         (builtin_description): Add "cond" field.
1059         (DIRECT_BUILTIN): Initialize it.
1060         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
1061         into INSN and CODE.  Initialize the "cond" field.
1062         (CMP_BUILTINS): Update accordingly.
1063         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
1064         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
1065         mips_fp_condition as argument.  Make it the final operand of the
1066         comparison instruction.
1067         (mips_expand_builtin): Update accordingly.
1068         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
1069         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
1070         the gaps.
1071         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
1072         Don't use the 'Q' operand prefix; just print the operand normally.
1073         (mips_cabs_*, mips_c_*): Delete, replacing with...
1074         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
1075         patterns.  Split the 4s versions into 2 ps patterns after reload.
1076
1077 2004-08-30  Richard Henderson  <rth@redhat.com>
1078
1079         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
1080         assuming an ADDR_EXPR is non-null.
1081
1082 2004-08-30  Jason Merrill  <jason@redhat.com>
1083
1084         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
1085
1086 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1087
1088         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
1089         * gcov.c (abort): Remove undef.
1090
1091         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
1092         (struct tree_binfo): Remove primary field.
1093
1094 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1095
1096         * fixinc/Makefile.in (machname.h): Remove.
1097         (fixincl.x): Do not pass $@ to genfixes.
1098         * fixinc/genfixes: Remove code to produce machname.h.
1099         * fixinc/fixincl.sh: Move it here instead.
1100         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
1101         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
1102         return a bool indicating whether pz_mn_name_pat is NULL.
1103         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
1104         Declare extern C variables for the ENV_TABLE.
1105         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
1106         instead use the result of mn_get_regexps.
1107         * fixinc/fixtests.c: Likewise.
1108
1109 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1110
1111         * configure.ac: Do not run fixincludes after stage1 during
1112         toplevel bootstrap.
1113         * configure: Regenerate.
1114
1115 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1116
1117         * sched-deps.c (get_condition): Partially revert previous, by never
1118         trying to extract the condition from a condjump.
1119
1120 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1121
1122         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
1123         (handle_visibility_attribute, c_determine_visibility): Likewise.
1124         * c-common.h (my_friendly_assert): Remove.
1125
1126 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1127
1128         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
1129         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
1130         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
1131         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
1132         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
1133
1134 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
1135
1136         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
1137         in COMPONENT_REF nodes.
1138
1139 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1140
1141         PR c++/15378
1142         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
1143         global_dc->warning_as_error_requested.
1144         * diagnostic.c (diagnostic_initialize): Tidy.
1145         * diagnostic.h (diagnostic_context::x_data): Remove
1146         (diagnostic_context::issue_warnings_are_errors_message): Rename
1147         from warnings_are_errors_message.
1148         (diagnostic_context::warning_as_error_requested): New.
1149
1150 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1151
1152         * sched-deps.c (get_condition): Fix breakage in previous patch.
1153
1154 2004-08-30  Paul Brook  <paul@codesourcery.com>
1155
1156         * doc/install.texi: Fix broken mpfr link.
1157
1158 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
1159
1160         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
1161         other FreeBSD platforms.
1162
1163 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1164
1165         * arm.h (REVERSE_CONDITION): Define.
1166         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
1167
1168 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1169
1170         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
1171         just the codes, call reversed_comparison_code ().
1172         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
1173         (not_reg_cond): Use reversed_comparison_code.
1174         (and_reg_cond): Likewise.
1175         * ifcvt.c (cond_exec_process_if_block): Likewise.
1176         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
1177
1178 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1179
1180         * sched-deps.c (get_condition): Rewrite using jump support functions.
1181         Use reversed_comparison_code.
1182         (conditions_mutex_p): Use reversed_comparison_code.
1183
1184 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1185
1186         * config/mips/mips.c (override_options): Disable hot/cold partitioning
1187         for MIPS16.
1188
1189 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1190
1191         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
1192         (mips_function_type): Move to mips.c.
1193         * config/mips/mips.c (mips_builtin_type): New enum.
1194         (builtin_description): Replace code and ftype with builtin_type
1195         and function_type.
1196         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
1197         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
1198         (CODE_FOR_mips_abs_ps): Define.
1199         (mips_bdesc): Use new macros.
1200         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
1201         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
1202         (mips_expand_builtin_direct): New function.
1203         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
1204         builtin.  Replace boolean parameter with builtin_type.
1205         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
1206         (mips_expand_4s_compare_builtin): Delete, replacing with...
1207         (mips_expand_builtin_compare): ...this new function.
1208
1209 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1210
1211         PR rtl-optimization/16590
1212         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1213
1214 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1215
1216         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
1217         * tree-ssa-propagate.c: Fix documentation.
1218
1219 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1220
1221         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
1222         (mov[sd]fcc): Likewise.
1223
1224 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1225
1226         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
1227
1228 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1229
1230         * config/mips/mips.md (divide_condition): New mode attribute.
1231         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
1232         (sqrt[sd]f3): Redefine using SCALARF.
1233         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
1234         patterns.
1235
1236 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1237
1238         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
1239         (loadx, storex, fmt, UNITMODE): New mode attributes.
1240         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
1241         (mul[sd]f3): Redefine using :SCALARF.
1242         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
1243         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
1244         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
1245         Check TARGET_FUSED_MADD for V2SF too.
1246         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
1247         were already named.
1248         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
1249         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
1250
1251 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1252
1253         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
1254         V2SF_type_node if it will be needed.
1255
1256 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1257
1258         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
1259         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
1260         (mips_prepare_builtin_target): New function.
1261         (mips_expand_builtin): Use them.  Update calls to subroutines.
1262         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
1263         cmp_choice with a boolean argument to select between movt and movf.
1264         Take the comparison's icode as an argument, not the function's fcode.
1265         (mips_expand_compare_builtin): New function.  Rename existing function
1266         to mips_expand_scalar_compare_builtin.
1267         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
1268         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
1269         comparison's icode as an argument, not the builtin's fcode.
1270
1271 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1272
1273         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
1274         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
1275         registers are false and -1 if all registers are true.
1276         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
1277         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
1278         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
1279         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
1280         (bc1any2t, bc1any2f): Likewise CCV2.
1281         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
1282
1283 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1284
1285         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
1286         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
1287         UNSPEC rather than an IF_THEN_ELSE.
1288         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
1289         mips_cond_move_tf_ps by name.
1290
1291 2004-08-29  Chao-ying Fu  <fu@mips.com>
1292             James E Wilson  <wilson@specifixinc.com>
1293
1294         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
1295         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
1296         * config/mips/mips-ps-3d.md: New file.
1297         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
1298         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
1299         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
1300         (mips_output_move): Emit "mov.ps" for V2SFmode.
1301         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
1302         MODE_VECTOR_FLOAT.
1303         (override_options): Check if TARGET_MIPS3D and there was an explicit
1304         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
1305         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
1306         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
1307         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
1308         and allow CCV2 and CCV4 to occupy two and four CC registers.
1309         (print_fcc_operand): New function.
1310         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
1311         %Z to call print_fcc_operand.
1312         (mips_function_value): Handle MODE_VECTOR_FLOAT.
1313         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
1314         (mips_vector_mode_supported_p): New function.
1315         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
1316         (builtin_description): New struct.
1317         (mips_bdesc): New array of struct builtin_description.
1318         (mips_expand_builtin, mips_init_builtins,
1319         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
1320         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
1321         functions.
1322         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
1323         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
1324         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
1325         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
1326         "-mips3d", and "-mno-mips3d".
1327         (ASM_SPEC): Map -mips3d to -mips3d in gas.
1328         (EXTRA_CONSTRAINT_Y): New macro.
1329         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
1330         multi-letter constraint 'Y'.
1331         (CONSTRAINT_LEN): New macro.
1332         (enum mips_builtins): New for MIPS builtin functions.
1333         (enum mips_function_type): New for the types of MIPS builtin functions.
1334         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
1335         * config/mips/mips.md: New constants for paired single and MIPS-3D
1336         instructions.  Include the new mips-ps-3d.md file.
1337         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
1338         movv2sf_hardfloat_64bit): New named patterns.
1339         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
1340         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
1341         sdxc1_v2sf_di): New unnamed patterns.
1342         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
1343         const_vector support.
1344         (const_0_or_1_operand): New predicate.
1345         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
1346
1347 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1348
1349         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
1350         (tree-ssa-propagate.o): New rule.
1351         (GTFILES): Add tree-ssa-propagate.c.
1352         * tree-flow.h (struct stmt_ann_d): Remove field
1353         in_ccp_worklist.
1354         * tree-ssa-propagate.c: New file.
1355         * tree-ssa-propagate.h: New file.
1356         * tree-ssa-ccp.c: Re-write to use the routines from
1357         tree-ssa-propagate.c.
1358
1359 2004-08-28  Andrew Pinski  <apinski@apple.com>
1360
1361         * tree-ssa-loop.c: Remove extra include of basic-block.h.
1362
1363 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
1364
1365         * c-common.h: Update comments about ObjC/ObjC++ entry points.
1366         (objc_is_reserved_word): New prototype.
1367         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
1368         separate section; these are call-backs.
1369         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
1370         ObjC/ObjC++ "@" keywords.
1371         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
1372         prototypes; they already live in c-common.h.
1373         * stub-objc.c: Update copyright notice.
1374         (objc_is_reserved_word): New stub.
1375
1376 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
1377
1378         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
1379         even when not checking.
1380
1381 2004-08-27  Jason Merrill  <jason@redhat.com>
1382
1383         PR c++/13684
1384         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
1385         (gimple_push_cleanup): Add eh_only parm.
1386         (gimplify_target_expr): Pass it.
1387         * c.opt (-fno-threadsafe-statics): New option.
1388         * c-opts.c (c_common_handle_option): Handle it.
1389         * c-common.h (flag_threadsafe_statics): Declare it.
1390         * c-common.c (flag_threadsafe_statics): Record it.
1391         * doc/invoke.texi: Document it.
1392         * tsystem.h (_GNU_SOURCE): Define.
1393         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
1394         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
1395         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
1396         (__gthread_recursive_mutex_init_function): New fn.
1397         (__gthread_recursive_mutex_lock): New fn.
1398         (__gthread_recursive_mutex_trylock): New fn.
1399         (__gthread_recursive_mutex_unlock): New fn.
1400         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
1401         * gthr-win32.h, gthr-vxworks.h: Likewise.
1402         * gthr.h: Document.
1403
1404 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
1405
1406         * config/rs6000/rs6000.c (rs6000_override_options): Increase
1407         maximum skip to 15.  Set function alignment, jump alignment, and
1408         loop alignment to 16 for processors that form dispatch groups.
1409         (rs6000_rtx_costs): outer_code is used.
1410
1411 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1412
1413         * stor-layout.c (sizetype_set): Remove.
1414         (set_sizetype): Don't test or set it.
1415
1416         * tree.h (size_int_type): Remove.
1417         * fold-const.c: Do not #include gt-fold-const.h.
1418         (size_htab_hash, size_htab_eq): Remove.
1419         (size_int_kind): Use build_int_cst.
1420         (new_const, size_htab): Remove.
1421         (size_int_type): Remove.
1422         (round_up): Use build_int_cst.
1423         (round_down): Likewise. Remove spurious constant build.
1424
1425 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1426
1427         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
1428         Add is_release variable, use it for --enable-werror and
1429         --enable-checking defaults.
1430         * system.h (gcc_assert, gcc_unreachable): New.
1431         * doc/install.texi (--enable-checking): Update.
1432         * configure, config.in: Rebuilt.
1433
1434 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
1435
1436         * rtl.h (read_rtx): Change prototype.
1437         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
1438         line number.  Return true on success.
1439         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
1440         callers accordingly.
1441
1442 2004-08-26  Richard Henderson  <rth@redhat.com>
1443
1444         * c-typeck.c (build_offsetof): Remove.
1445         * c-tree.h (build_offsetof): Remove.
1446         * c-common.c (fold_offsetof_1, fold_offsetof): New.
1447         * c-common.h (fold_offsetof): Declare.
1448         * c-parse.in (offsetof_base): New.
1449         (offsetof_member_designator): Use it.  Build references, not just
1450         a tree list.
1451         (primary): Use fold_offsetof, not build_offsetof.
1452
1453 2004-08-26  Richard Henderson  <rth@redhat.com>
1454
1455         * tree.c (staticp): Return the static object.
1456         * tree.h (staticp): Update decl.
1457         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
1458         * langhooks.c (lhd_staticp): Return NULL_TREE.
1459         * langhooks-def.h (lhd_staticp): Update decl.
1460         * c-common.c (c_staticp): Return the static object.
1461         * c-common.h (c_staticp): Update decl.
1462
1463 2004-08-26  Richard Henderson  <rth@redhat.com>
1464
1465         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
1466         modes.
1467
1468 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1469
1470         PR c/13801
1471         * c-decl.c (struct c_binding): Add type and inner_comp fields.
1472         (bind): Set type and inner_comp fields.
1473         (pop_scope): Restore type of decl to the correct type from an
1474         outer scope.  Give error when popping file scope for incomplete
1475         arrays completed incompatibly with default initialization in an
1476         inner scope.
1477         (diagnose_mismatched_decls): Handle externs with initializers at
1478         block scope.
1479         (pushdecl): Set type of external declaration at block scope based
1480         only on the visible declarations.  Save type when changing the
1481         type of a declaration.  Merge an external declaration at block
1482         scope with a visible static declaration at file scope.
1483         (implicitly_declare): Give recycled old declaration the new type
1484         except for incompatible declarations of built-in functions, saving
1485         the old type.
1486
1487 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
1488
1489         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
1490
1491 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1492
1493         * tree-alias-common.c (gate_pta): New function.
1494         (pass_build_pta): Use it.
1495         (pass_del_pta): Use it.
1496         (delete_alias_vars): Don't check flag_tree_points_to.
1497
1498 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1499
1500         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
1501         TFmode as additional register mode cloberred by call.
1502
1503 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1504
1505         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
1506         parallel pattern for library call returning DImode in
1507         mixed mode.
1508
1509 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1510
1511         * config/rs6000/rs6000.c (function_arg): Generate parallel
1512         pattern for more split args.
1513
1514 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1515
1516         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
1517         either gen_movdi_di_update or gen_movdi_si_update depending on
1518         target mode.
1519         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
1520         to generate two versions.
1521
1522 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1523
1524         * Makefile.in (lambda-code.o): New.
1525         (lambda-trans.o): Ditto.
1526         (TREE_DATA_REF_H): Ditto.
1527         (LAMBDA_H): Ditto.
1528         (lambda-mat.o): Use LAMBDA_H.
1529         (tree-data-ref.o): Ditto.
1530         * lambda-code.c: New file.  Lambda code generation algorithm.
1531         * lambda-trans.c: Ditto. Lambda transformation matrix support.
1532         * lambda.h: Add lambda loop structures.
1533         Add lambda loopnest structures.
1534         Add lambda body vector structure.
1535         Add lambda linear expression structures.
1536         Add prototypes for functions in new files.
1537         * lambda-mat.c: Include tree.h
1538
1539 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
1540             Sebastian Pop  <pop@cri.ensmp.fr>
1541
1542         * tree-data-ref.h: Include lambda.h
1543         (free_dependence_relation): Declared here.
1544         (free_dependence_relations): Ditto.
1545         (free_data_refs): Ditto.
1546         * tree-data-ref.c (free_dependence_relation): New function.
1547         (free_dependence_relations): Ditto.
1548         (free_data_refs): Ditot.
1549         (analyze_all_data_dependences): Free datarefs and dependence_relations.
1550         (build_classic_dist_vector): Store in the dependence_relations the
1551         information. Each arc in the dependence_relations graph is labelled
1552         with the distance and direction vectors.
1553         (build_classic_dir_vector): Ditto.
1554         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
1555         Now computes again the whole dependence graph including read-read
1556         relations.
1557         (compute_data_dependences_for_loop): Now dependence_relations contains
1558         all the data, and thus it doesn't need to initialize the classic_dir
1559         and classic_dist vectors.
1560         (analyze_all_data_dependences): Adjusted for using the new interface of
1561         compute_data_dependences_for_loop.  Remove the statistics dump.
1562
1563 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
1564
1565         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
1566         (xtensa_expand_block_move): Update comment.
1567         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
1568
1569 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
1570
1571         PR target/13506
1572         * toplev.c (crash_signal): If we crashed while emitting
1573         a user asm, then die more gracefully.
1574
1575 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1576
1577         PR target/17119.
1578         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
1579         checking for a valid constant, regardless of sign.
1580
1581 2004-08-25  Richard Henderson  <rth@redhat.com>
1582
1583         PR target/16974
1584         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
1585         if the constant satisfies add_operand.
1586
1587 2004-08-25  Richard Henderson  <rth@redhat.com>
1588
1589         PR debug/10695
1590         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
1591         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
1592         unwind info for >16-bit frames.
1593
1594 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
1595
1596         PR target/17171
1597         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
1598
1599 2004-08-25  Richard Henderson  <rth@redhat.com>
1600
1601         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
1602         (TARGET_CANNOT_FORCE_CONST_MEM): New.
1603
1604 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1605
1606         * doc/tree-ssa.texi: Document new operand iterator.
1607
1608 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
1609
1610         PR target/16480
1611         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
1612         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
1613         as PLUS base regs.
1614
1615 2005-08-28  Paul Brook  <paul@codesourcery.com>
1616
1617         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
1618         -mfpu=vfp -march=armv5t
1619         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
1620
1621 2004-08-25  Richard Henderson  <rth@redhat.com>
1622
1623         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1624         * target.h (struct gcc_target): Add scalar_mode_supported_p.
1625         * targhooks.c (default_scalar_mode_supported_p): New.
1626         * targhooks.h (default_scalar_mode_supported_p): Declare.
1627         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
1628
1629         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
1630         before attempting to create types.  Tidy.
1631         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
1632
1633         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
1634         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1635
1636 2004-08-25  Richard Henderson  <rth@redhat.com>
1637
1638         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1639         set REAL_MODE_FORMAT for TFmode.
1640
1641 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1642
1643         * c-decl.c (grokparm): New function.
1644         * c-tree.h (grokparm): New prototype.
1645
1646 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1647
1648         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
1649         iterator controlling structure.
1650         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
1651         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
1652         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
1653         iterator flags.
1654         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
1655         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
1656         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
1657         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
1658         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
1659         Empty operand pointers.
1660         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
1661         (op_iter_next_use): New.  Return next use_operand_p.
1662         (op_iter_next_def): New.  Return next def_operand_p.
1663         (op_iter_next_tree): New.  Return next operands as a tree.
1664         (op_iter_init): New.  Initialize an iterator structure.
1665         (op_iter_init_use): New.  Initialize structure and get the first use.
1666         (op_iter_init_def): New.  Initialize structure and get the first def.
1667         (op_iter_init_tree): New.  Initialize structure and get the first tree.
1668         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
1669         (op_iter_init_maydef): New.  Initialize structure and get the first
1670         V_MAY_DEF operands.
1671         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
1672         * tree-dfa.c (compute_immediate_uses_for_stmt,
1673         redirect_immediate_uses): Use new operand iterator.
1674         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
1675         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
1676         operands instead of using *_disappeared_p routines.
1677         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
1678         ssa_rewrite_stmt): Use new operand iterator.
1679         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
1680         rewrite_trees): Use new operand iterator.
1681         * tree-pretty-print.c (dump_vops): Use new operand iterator.
1682         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
1683         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
1684         dump_points_to_info): Use new operand iterator.
1685         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
1686         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
1687         operand iterator.
1688         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
1689         propagate_necessity): Use new operand iterator.
1690         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
1691         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
1692         a parameter instead of a stmt_ann_t.
1693         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
1694         build_tree_conflict_graph): Use new operand iterator.
1695         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
1696         rewrite_mem_refs): Use new operand iterator.
1697         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
1698         check_loop_closed_ssa_use): Use new operand iterator.
1699         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
1700         * tree-ssanames.c (release_defs): Use new operand iterator.
1701         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
1702
1703 2004-08-25  Adam Nemet  <anemet@lnxw.com>
1704
1705         * tlink.c (initial_cwd): New variable.
1706         (tlink_init): Initialize it.
1707         (recompile_files): Use tlink_execute() instead of system().  Don't
1708         duplicate verbose output of collect_execute.  Restore initial_cwd.
1709         Update comment before the function.
1710
1711 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1712
1713         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
1714         accept) a cast from one Objective-C pointer type to another.
1715
1716 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
1717
1718         * doc/install.texi: Document that libstdc++-v3 requires
1719         now automake 1.9.1.
1720
1721 2004-08-25  Caroline Tice  <ctice@apple.com>
1722
1723         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
1724         to comments at start of function.
1725         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
1726         comment.
1727         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1728         merge_blocks_move_predecessor_nojumps,
1729         merge_blocks_move_successor_nojumps, merge_blocks_move,
1730         try_crossjump_to_edge, try_crossjump_bb): Likewise.
1731         * cfglayout.c (fixup_reorder_chain): Likewise.
1732         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1733         cfg_layout_can_merge_blocks_p):  Likewise.
1734         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
1735         * passes.c (rest_of_compilation): Update comments for calling
1736         optimization that partitions hot/cold basic blocks.
1737         * doc/invoke.texi:  Update documentation of
1738         freorder-blocks-and-partition flag.
1739
1740 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
1741
1742         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
1743         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
1744
1745 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
1746
1747         * config/mips/mips.md (any_shift): New code macro.
1748         (optab, insn): New code attributes.
1749         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
1750         Use the standard rather than internal patterns for the MIPS16
1751         double-shift optimization.
1752         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
1753         Redefine using :GPR and any_shift.
1754         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
1755         to cover all three shifts.
1756         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
1757         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
1758         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
1759
1760 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
1761
1762         * gimplify.c (lookup_tmp_var): Separate temporaries when not
1763         optimizing.
1764
1765 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1766
1767         PR libstdc++/17005 (fix for HP-UX 11.11)
1768         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
1769         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
1770         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
1771         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
1772         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
1773         (LINK_SPEC): Handle march=1.0 option.
1774         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
1775         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
1776         (SUBTARGET_OPTIONS): New define.
1777         (LINK_SPEC): Handle march=1.0 option.
1778         (STARTFILE_SPEC): New define.
1779         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
1780         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
1781         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
1782         (SUBTARGET_OPTIONS): New define.
1783         (LINK_SPEC): Handle march=1.0 option.
1784         (STARTFILE_SPEC): New define.
1785         * config/pa/pa.c (override_options): Add code to process -munix= option.
1786         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
1787         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
1788         defines.
1789         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
1790         (SUBTARGET_OPTIONS): Provide default define.
1791         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
1792         STANDARD_STARTFILE_PREFIX_2): New defines.
1793         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
1794         (ENDFILE_SPEC): Use %O.
1795         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
1796         Mention issue caused by changing namespace and runtime to UNIX 95/98.
1797         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
1798         Document -munix=std option.
1799
1800 2004-08-25  Steven Bosscher  <stevenb@suse.de>
1801
1802         * cse.c (cse_around_loop, cse_check_loop_start,
1803         cse_set_around_loop): Remove.
1804         (cse_basic_block): Remove the around_loop argument.
1805         (cse_end_of_basic_block): Remove the after_loop argument.
1806         (cse_main): Likewise.
1807         * rtl.h (cse_main): Update prototype.
1808         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
1809         rest_of_handle_gcse): Update cse_main calls.
1810
1811 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
1812
1813         * tree.h  (build_int_cst): New, sign extended constant.
1814         (build_int_cstu): New, zero extended constant.
1815         (build_int_cst_wide): Renamed from build_int_cst.
1816         * tree.c (build_int_cst, build_int_cstu): New.
1817         (build_int_cst_wide): Renamed from build_int_cst.
1818         (make_vector_type, build_common_tree_nodes,
1819         build_common_tree_nodes_2): Adjust build_int_cst calls.
1820         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
1821         expand_builtin_strpbrk, expand_builtin_fputs,
1822         build_string_literal, expand_builtin_printf,
1823         expand_builtin_sprintf, fold_builtin_classify_type,
1824         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
1825         fold_builtin_toascii, fold_builtin_isdigit,
1826         simplify_builtin_strstr, simplify_builtin_strpbrk,
1827         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
1828         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
1829         DEF_ATTR_INT): Likewise.
1830         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
1831         Likewise.
1832         * c-lex.c (interpret_integer, lex_charconst): Likewise.
1833         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
1834         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1835         * c-typeck.c (really_start_incremental_init, push_init_level,
1836         set_nonincremental_init_from_string): Likewise.
1837         * calls.c (load_register_parameters): Likewise.
1838         convert.c (convert_to_pointer): Likewise.
1839         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
1840         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
1841         build_gcov_info): Likewise.
1842         * except.c (init_eh, assign_filter_values): Likewise.
1843         * expmed.c (store_fixed_bit_field, extract_bit_field,
1844         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
1845         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
1846         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
1847         * expr.c (convert_move, emit_group_load, emit_group_store,
1848         expand_assignment, store_constructor, store_field,
1849         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
1850         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
1851         invert_truthvalue, optimize_bit_field_compare,
1852         decode_field_reference, all_ones_mask_p, constant_boolean_node,
1853         fold_div_compare, fold, fold_read_from_constant_string,
1854         fold_negate_const, fold_abs_const, fold_not_const, round_up,
1855         round_down): Likewise.
1856         * function.c (assign_parm_setup_block): Likewise.
1857         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
1858         Likewise.
1859         * stor-layout.c (layout_type, initialize_sizetypes,
1860         set_min_and_max_values_for_integral_type): Likewise.
1861         * tree-chrec.c (chrec_fold_multiply_poly_poly,
1862         reset_evolution_in_loop): Likewise.
1863         * tree-chrec.h (build_polynomial_chrec): Likewise.
1864         * tree-complex.c (build_replicated_const): Likewise.
1865         * tree-eh.c (honor_protect_cleanup_actions,
1866         lower_try_finally_onedest, lower_try_finally_copy,
1867         lower_try_finally_switch): Likewise.
1868         * tree-mudflap.c (mf_build_string, mx_register_decls,
1869         mudflap_register_call, mudflap_enqueue_constant): Likewise.
1870         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
1871         * tree-pretty-print.c (dump_generic_node): Likewise.
1872         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
1873         Likewise.
1874         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
1875         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1876         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
1877         Likewise.
1878         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
1879         canonicalize_loop_induction_variables): Likewise.
1880         * tree-vectorizer.c (vect_create_index_for_array_ref,
1881         vect_transform_loop_bound, vect_compute_data_ref_alignment):
1882         Likewise.
1883
1884         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
1885         alpha_gimplify_va_arg_1): Likewise.
1886         * config/arm/arm.c (arm_get_cookie_size): Likewise.
1887         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1888         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1889         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1890         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
1891         mips_gimplify_va_arg_expr): Likewise.
1892         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1893         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
1894         add_compiler_branch_island): Likewise.
1895         * config/s390/s390.c (s390_va_start): Likewise.
1896         * config/sh/sh.c (sh_va_start): Likewise.
1897         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1898         Likewise.
1899         * config/xtensa/xtensa.c (xtensa_va_start,
1900         xtensa_gimplify_va_arg_expr): Likewise.
1901
1902         * objc/objc-act.c (build_objc_string_object,
1903         build_objc_symtab_template, init_def_list, init_objc_symtab,
1904         init_module_descriptor, generate_static_references,
1905         build_selector_translation_table, get_proto_encoding,
1906         build_typed_selector_reference, build_selector_reference,
1907         build_next_objc_exception_stuff,
1908         build_method_prototype_list_template, generate_descriptor_table,
1909         generate_protocols, build_protocol_initializer,
1910         build_ivar_list_template, build_method_list_template,
1911         build_ivar_list_initializer, generate_ivars_list,
1912         generate_dispatch_table, generate_protocol_list,
1913         build_category_initializer, build_shared_structure_initializer,
1914         generate_shared_structures, handle_impent,
1915         generate_objc_image_info): Likewise.
1916
1917 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
1918
1919         * cfglayout.c (duplicate_insn_chain): Remove references to
1920         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
1921         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
1922         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
1923         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
1924         and NOTE_INSN_LOOP_CONT.
1925         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
1926         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
1927         and NOTE_INSN_LOOP_CONT.
1928         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
1929         check_dbra_loop, loop_dump_aux): Remove references to removed notes
1930         and fields.
1931         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
1932         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
1933         references to removed notes and fields.
1934         (subtract_reg_term, ujump_to_loop_cont): Remove.
1935
1936 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
1937
1938         * doc/install.texi: Document that libcpp does not require
1939         Automake any longer.  Document that Automake 1.9.1 should
1940         work everywhere.
1941
1942 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
1943
1944         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
1945         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
1946         DWARF_DEBUGGING_INFO from choice-of-definition chain;
1947         restructure using C89 features (#elif, #error).
1948         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
1949         * config/sh/sh.h: Remove references to DWARF_DEBUG.
1950         * doc/invoke.texi: Remove references to DWARF version 1;
1951         clarify why -gdwarf-2<n> doesn't work.
1952
1953 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
1954
1955         * basic-block.h (BB_SET_PARTITION): Clear old value first.
1956         * cfg.c (clear_bb_flags): Don't clear partition setting.
1957         * ifcvt.c (find_if_case_1): Remove ??? comment.
1958
1959 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
1960
1961         PR target/17052
1962         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
1963         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1964         current_function_stdarg in place of sysv_varargs_p.
1965         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
1966         sysv_varargs_p.
1967
1968 2004-08-24  Richard Henderson  <rth@redhat.com>
1969
1970         PR target/16298
1971         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
1972         random codes within CONST.
1973
1974 2004-08-24  James E Wilson  <wilson@specifixinc.com>
1975
1976         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
1977         -freorder-blocks-and-partition.
1978
1979 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1980
1981         PR middle-end/17044
1982         * tree-ssa-threadupdate.c (redirection_data): Make static.
1983         (thread_block): Use ggc_alloc_cleared to allocate struct
1984         redirection_data.  Don't free elements in redirection_data.
1985
1986 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1987
1988         * config/mips/predicates.md (small_data_pattern): Match prefetches.
1989
1990 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1991
1992         PR tree-optimization/17016
1993         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1994         number_of_iterations_exit): Use POINTER_TYPE_P instead
1995         of testing for POINTER_TYPE.
1996
1997 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1998
1999         * tree-ssa-loop-ivcanon.c: New file.
2000         * tree-ssa-loop-manip.c (create_iv): New function.
2001         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
2002         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
2003         * cfgloop.c (mark_single_exit_loops): New function.
2004         (verify_loop_structure): Verify single-exit loops.
2005         * cfgloop.h (struct loop): Add single_exit field.
2006         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
2007         (mark_single_exit_loops): Declare.
2008         (tree_num_loop_insns): Declare.
2009         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
2010         (duplicate_loop_to_header_edge): Use it.
2011         * common.opt (fivcanon): New flag.
2012         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
2013         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
2014         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
2015         (bsi_insert_on_edge_immediate): New function.
2016         * tree-flow.h (bsi_insert_on_edge_immediate,
2017         canonicalize_induction_variables, tree_unroll_loops_completely,
2018         create_iv): Declare.
2019         * tree-optimize.c (init_tree_optimization_passes): Add
2020         pass_iv_canon and pass_complete_unroll.
2021         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
2022         * tree-scalar-evolution.c (get_loop_exit_condition,
2023         get_exit_conditions_rec, number_of_iterations_in_loop,
2024         scev_initialize): Use single_exit information.
2025         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
2026         missing assumptions.
2027         (loop_niter_by_eval):  Return number of iterations as unsigned
2028         int.
2029         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
2030         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
2031         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
2032         New passes.
2033         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
2034         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
2035         the defining statement is ready.
2036         * tree-vectorizer.c (vect_create_iv_simple): Removed.
2037         (vect_create_index_for_array_ref, vect_transform_loop_bound):
2038         Use create_iv.
2039         (vect_transform_loop_bound): Use single_exit information.
2040         (vect_analyze_loop_form): Cleanup bogus tests.
2041         (vectorize_loops): Do not call flow_loop_scan.
2042         * tree.h (may_negate_without_overflow_p): Declare.
2043         * fold-const.c (may_negate_without_overflow_p): Split out from ...
2044         (negate_expr_p): ... this function.
2045         (tree_expr_nonzero_p): Handle overflowed constants correctly.
2046         * doc/invoke.texi (-fivcanon): Document.
2047         * doc/passes.texi: Document canonical induction variable creation.
2048
2049 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2050
2051         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
2052         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
2053         using the mode of the operand to decide between them.
2054         * config/mips/mips.md (MOVECC): New mode macro.
2055         (ccreg): New mode attribute.
2056         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
2057         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
2058         (mov[sd]icc): Redefine using :GPR.
2059
2060 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2061
2062         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
2063         (mips_prefetch_cookie): New function.
2064         * config/mips/mips.c (print_operand_address): Fix handling of
2065         ADDRESS_CONST_INT.
2066         (mips_emit_prefetch): Delete.
2067         (mips_prefetch_cookie): New function.
2068         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
2069         mode of QImode for the address_operand.  Use mips_prefetch_cookie
2070         to calculate the first "pref" operand.
2071         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
2072         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
2073
2074 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
2075
2076         * arm.md: Include predicates.md.
2077         * predicates.md: New file.
2078         * arm.c (s_register_operand, arm_hard_register_operand)
2079         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
2080         (arm_immediate_operand, arm_neg_immediate_operand)
2081         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
2082         (arm_add_operand, arm_addimm_operand, arm_not_operand)
2083         (offsettable_memory_operand, alignable_memory_operand)
2084         (arm_reload_memory_operand, arm_float_rhs_operand)
2085         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
2086         (index_operand, shiftable_operator, logical_binary_operator)
2087         (shift_operator, equality_operator, arm_comparison_operator)
2088         (minmax_operator, cc_register, dominant_cc_register)
2089         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
2090         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
2091         (const_shift_operand, load_multiple_operation)
2092         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
2093         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
2094         (cirrus_register_operand, cirrus_fp_register)
2095         (cirrus_shift_const): Delete, replaced with equivalents in
2096         predicates.md.
2097         (shift_op): Handle ROTATE.
2098         * arm-protos.h: Delete declarations for above.
2099         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2100         * t-arm (MD_INCLUDES): Add predicates.md.
2101         (s-preds): Depends on MD_INCLUDES.
2102
2103 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2104
2105         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
2106         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
2107         patterns.  Redefine using :GPR.  Give the match_operator a mode.
2108         Use '%2' rather than '%z2' for operand 2.
2109
2110 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2111
2112         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
2113         attribute.
2114
2115 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2116
2117         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
2118         of internal patterns.
2119         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
2120         Redefine using :P.
2121         (tablejump): Use expand_binop to calculate address.  Adjust names
2122         of internal patterns.
2123         (tablejump[sd]i): Renamed from tablejump_internal[12].
2124         Redefine using :P.
2125         (tablejump_mips16[12]): Delete.
2126
2127 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2128
2129         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
2130         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
2131         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
2132         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
2133         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
2134
2135 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2136
2137         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
2138         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
2139         using :GPR.
2140         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
2141         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
2142         (*branch_equality[sd]i_inverted): Likewise
2143         branch_equality{,_di}_inverted.
2144         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
2145         Redefine using :GPR.
2146
2147 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2148
2149         * rtl.def: Reorganize, placing all codes used only in machine
2150         descriptions at the end.
2151
2152         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
2153         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
2154         rtx_name, rtx_format arrays by direct reference to rtl.def,
2155         first undefining GENERATOR_FILE.  Define enum insn_note and
2156         note_insn_name array by direct reference to insn-notes.def.
2157         (adjust_field_rtx_def): Remove local definition of rtx_name.
2158         Use symbolic names for insn notes.
2159         * Makefile.in (gengtype.o): Update dependencies.
2160
2161 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2162
2163         * basic-block.h (struct basic_block_def): Reorder fields to
2164         eliminate interior padding.  Remove 'partition' field.
2165         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
2166         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
2167         (BB_COPY_PARTITION): New macros.
2168         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
2169         Replace all references to the 'partition' field of a basic
2170         block with new macros.
2171
2172         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2173         * final.c (final_scan_insn): Don't handle it.
2174         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
2175         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
2176         * sched-rgn.c (sched_is_disabled_for_current_region_p):
2177         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
2178
2179 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2180
2181         * c-decl.c (c_init_decl_processing): Adjust
2182         build_common_tree_nodes call.
2183         * expmed.c (const_mult_add_overflow_p): Use
2184         build_distinct_type_copy.
2185         * stor-layout.c (early_type_list): Remove.
2186         (layout_type): Don't append to early_type_list.
2187         (initialize_sizetypes): Add signed_p argument.
2188         (set_sizetype): Overwrite the stub type nodes directly.
2189         * tree.c (copy_node_stat): Clear a type's value cache here ...
2190         (build_distinct_type): ... not here.
2191         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
2192         * tree.h (initialize_sizetypes): Add signed_p argument.
2193         (build_common_tree_nodes): Likewise.
2194
2195         * objc/objc-act.c (get_static_reference): Use
2196         build_variant_type_copy.
2197         (get_protocol_reference): Likewise.
2198         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
2199
2200 2004-08-24  Richard Henderson  <rth@redhat.com>
2201             Andrew Pinski  <apinski@apple.com>
2202
2203         * gimplify.c (gimplify_array_ref_to_plus): Delete.
2204         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
2205         for ARRAY_REF.
2206
2207         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
2208         ARRAY_REF also to get to the STRING_CST.
2209
2210 2004-08-24  Paul Brook  <paul@codesourcery.com>
2211
2212         * config/arm/arm.c (arm_override_options): Update error message.
2213         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
2214         TARGET_HARD_FLOAT_ABI.
2215         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
2216         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
2217
2218 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2219
2220         PR target/17093
2221         * config/m32r.md (movsi_sda): Add SI mode specification to
2222         UNSPEC.
2223
2224 2004-08-24  Nick Clifton  <nickc@redhat.com>
2225
2226         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
2227         of seth_add3_operand.
2228
2229 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2230
2231         * Makefile.in (PROTO_OBJS): Add errors.o.
2232         * protoize.c (fancy_abort): Remove.
2233         * mips-tfile.c (fancy_abort): Add parameters.
2234
2235 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
2236
2237         * doc/trouble.texi (C++ misunderstandings): Fix example code.
2238
2239 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
2240
2241         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
2242         (host-default.o): Add dependency on HOOKS_H.
2243         * config/x-linux: Likewise.
2244         * config/x-solaris: Likewise.
2245         * config/i386/x-mingw32: Likewise.
2246         * config/rs6000/x-darwin: Likewise.
2247
2248 2004-08-23  James E Wilson  <wilson@specifixinc.com>
2249
2250         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
2251         DEF_REG_NOTE.
2252
2253 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2254
2255         PR c/14492
2256         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
2257
2258 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
2259
2260         * cfg.c (check_bb_profile): Fix typos.
2261         * function.c (assign_parm_is_stack_parm): Likewise.
2262         * tree-nested.c: Likewise.
2263
2264 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
2265
2266         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
2267         Remove TYPECODE.
2268         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
2269
2270 2004-08-23  Eric Christopher  <echristo@redhat.com>
2271
2272         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
2273         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
2274         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
2275         * target.h: Ditto.
2276         * hooks.h: Include machmode.h.
2277         (hook_bool_mode_false): Declare.
2278         * hooks.c (hook_bool_mode_false): Define.
2279         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
2280         * stor-layout.c (layout_type): Ditto.
2281         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
2282         Define to target macro.
2283         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
2284         * config/arm/arm.c: Ditto. Use.
2285         * config/arm/arm.h: Ditto.
2286         * config/arm/arm-protos.h: Ditto.
2287         * config/i386/i386.c: Ditto.
2288         * config/i386/i386.h: Ditto.
2289         * config/rs6000/rs6000.c: Ditto.
2290         * config/rs6000/rs6000.h: Ditto.
2291         * config/sh/sh.c: Ditto.
2292         * config/sh/sh.h: Ditto.
2293         * config/sh/sh-protos.h: Ditto.
2294         * config/sh/sh.md: Use.
2295         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
2296         to TARGET_VECTOR_MODE_SUPPORTED_P.
2297
2298 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
2299
2300         * Makefile.in (BUILD_ERRORS): Set to build-errors.
2301         (errors.o): New target for host.
2302         (build-errors.o): New target for build.
2303         (genobjs): Replace errors.o with build-errors.
2304         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
2305         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
2306         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
2307         (fix-header.o): Add errors.h
2308         * collect2.c (fancy_abort): Add parameters.
2309         * collect2.h (fancy_abort): Don't declare.
2310         * errors.h (fancy_abort): Don't declare.
2311         * errors.c: Include either bconfig.h or config.h.
2312         (fancy_abort): Trim filename.
2313         * fix-header.c (v_fatal, fatal): Remove.
2314         (progname): Remove definition.
2315         (main): Set progname here.
2316         * gcc.c (fancy_abort): Add parameters.
2317         * gcc.h (fancy_abort): Remove declaration.
2318         * gcov.c (fancy_abort): Remove.
2319         * rtl.h (fancy_abort): Don't declare.
2320         (abort): Don't define.
2321         * tree.h (fancy_abort): Don't declare.
2322         (abort): Don't define.
2323         * system.h (fancy_abort): Declare.
2324         (abort): Define to fancy_abort.
2325         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
2326
2327         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
2328         (usize_type, ubitsizetype): Remove.
2329         * stor-layout.c (set_sizetype): Don't initialize usizetype,
2330         ubitsizetype.
2331         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
2332
2333         * tree.h (build_distinct_type_copy): New.
2334         (build_type_copy): ... here.  Rename to ...
2335         (build_variant_type_copy): ... here.
2336         * tree.c (build_qualified_type): Rename build_type_copy call.
2337         (build_distinct_type_copy): New, broken out of ...
2338         (build_type_copy): ... here.  Rename to ...
2339         (build_variant_type_copy): ... here.  Use
2340         build_distinct_type_copy.
2341         (build_common_tree_nodes_2): Rename build_type_copy call.
2342         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
2343         call.
2344         (handle_packed_attribute, handle_unused_attribute,
2345         handle_transparanet_union_attribute, handle_aligned_attribute,
2346         handle_deprecated_attribute): Likewise.
2347         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
2348         Likewise.
2349         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
2350         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
2351         build_distinct_type_copy.
2352
2353 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2354
2355         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
2356         attribute.
2357
2358 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2359
2360         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
2361         loads and stores.
2362         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
2363         formerly unnamed patterns.  Redefine using :P for the address.  Remove
2364         explicit length attributes.
2365
2366 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2367
2368         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
2369         New functions.
2370         (single_reachable_address): Use them.
2371         (schedule_sm): Add dump.
2372         (is_call_clobbered_ref): New function.
2373         (determine_lsm_reg): Check whether the reference is call clobbered.
2374         Only work for gimple_reg_type values.
2375
2376 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2377
2378         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
2379         $31 store insns.  Redefine using :GPR.
2380
2381 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2382
2383         * config/mips/mips.md (P): New mode macro.
2384         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
2385         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
2386         Add mode attributes.
2387
2388 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2389
2390         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
2391         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
2392         later constants to cover the gap.
2393         (load, store): New mode attributes.
2394         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
2395         Use new unspec constants.
2396
2397 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2398
2399         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
2400         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
2401         to use register_operand rather than uns_arith_operand as the predicate
2402         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
2403         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
2404         Redefine using :GPR.  Make same predicate change here.  Extend the
2405         commutativity of operands 1 and 2 from the SImode version to the
2406         DImode one.
2407         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
2408         but with no predicate changes.
2409         (*nor[sd]i3): Redefine using :GPR.
2410
2411 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2412
2413         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
2414         noreturn functions.
2415
2416 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2417
2418         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
2419         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
2420         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
2421         rather than "%z2" (with a fake const0_rtx for operand 2).
2422         (ffs[sd]i2): Redefine using :GPR.
2423         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
2424
2425 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2426
2427         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
2428
2429 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2430
2431         * config/mips/mips.md (any_extend): New code macro.
2432         (u, su): New code attributes.
2433         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
2434         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
2435         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
2436         (*{s,u}mul_acc_di): Redefine using any_extend.
2437         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
2438         to reflect real insn names.
2439         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
2440         with an any_extend template.
2441         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
2442         Add '*' to name.
2443
2444 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2445
2446         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
2447         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
2448         (mul[sd]i3_r4000): Redefine using :GPR.
2449         (mulsi3_mult3): Don't check TARGET_MAD separately.
2450         (muldi3_mult3): Moved after mulsi_mult3.
2451
2452 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2453
2454         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
2455         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
2456         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
2457         (TARGET_GAS, TARGET_MIPS_AS): Delete.
2458         (TARGET_GPWORD): Define to true for n32 on IRIX.
2459         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
2460         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
2461         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
2462         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
2463         (MDEBUG_ASM_SPEC): Delete, folding into...
2464         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
2465         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
2466         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
2467         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
2468         to define asm_abi_default_spec.
2469         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
2470         (TARGET_ASM_SELECT_SECTION): Delete.
2471         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
2472         for non-mips16 code, removing previous workaround for SGI assemblers.
2473         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
2474         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
2475         (override_options): Remove !TARGET_GAS and !have_named_sections code.
2476         (print_operand): Fold TARGET_GAS conditionals into asm strings.
2477         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
2478         ASM_STABS_OP and ASM_STABN_OP.
2479         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
2480         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
2481         (mips_output_function_prologue): Remove !TARGET_GAS code.
2482         (mips_select_rtx_section): Remove !have_named_sections code.
2483         (mips_select_section): Delete.
2484         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
2485         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
2486         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
2487         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
2488         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
2489         * config/mips/windiss.h (ASM_SPEC): Likewise.
2490
2491 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2492
2493         * read-rtl.c (map_value, mapping, macro_group): New structures.
2494         (BELLWETHER_CODE): New macro.
2495         (modes, codes, bellwether_codes): New variables.
2496         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
2497         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
2498         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
2499         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
2500         (add_map_value, initialize_macros): New functions.
2501         (def_hash, def_hash_eq_p): Generalize to anything that points to,
2502         or starts with, a char * field.
2503         (find_macro, read_mapping, check_code_macro): New functions.
2504         (read_rtx_1): New, split out from read_rtx.  Handle the new
2505         define_{mode,code}_{macro,attr} constructs.  Use find_macro
2506         to parse the name of a code or mode.  Use BELLWETHER_CODE to
2507         extract the format and to choose a suitable code for rtx_alloc.
2508         Modify recursive invocations to use read_rtx_1.
2509         (read_rtx): Call initialize_macros.  Apply code and mode macros
2510         to the rtx returned by read_rtx_1.  Cache everything after the
2511         first macro expansion for subsequent read_rtx calls.
2512         * doc/md.texi: Document new .md constructs.
2513         * config/mips/mips.md (GPR): New mode macro.
2514         (d, si8_di5): New mode attributes.
2515         (any_cond): New code macro.
2516         (add[sd]i3): Redefine using :GPR.
2517         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
2518         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
2519         previously unnamed MIPS16 patterns.
2520         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
2521         lines.  Don't match (plus (const_int 0) ...).
2522         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
2523         Use a define_split to generate the addition.
2524         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
2525         (subsi3_internal): Delete.
2526         (*subsi3_extended): Renamed from subsi3_internal_2.
2527         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
2528         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
2529         using an any_cond template.
2530
2531 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2532
2533         * read-rtl.c (read_rtx): Tidy use of format_ptr.
2534
2535 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2536
2537         * read-rtl.c (string_obstack): New file-scope variable.
2538         (read_string, read_quoted_string, read_braced_string)
2539         (read_escape): Remove obstack parameter and use string_obstack instead.
2540         (read_rtx): Remove function-local rtl_obstack and initialize
2541         string_obstack instead.  Update call to read_string.
2542
2543 2004-08-22  Andrew Pinski  <apinski@apple.com>
2544
2545         PR c/15262
2546         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
2547         expression is not constant.
2548         (c_finish_return): Do not go through INDIRECT_REF when looking
2549         for the inner expression of an ADDR_EXPR for warning about.
2550
2551 2004-08-22  Richard Henderson  <rth@redhat.com>
2552
2553         PR 17075
2554         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
2555         create new blocks and fall through.
2556         (expand_gimple_basic_block): Update to match.
2557
2558 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
2559
2560         * reload.c (find_reloads_address): Make return value tri-state.
2561         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
2562         (find_reloads): Assume that reloaded addresses match 'o' or
2563         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
2564         returned 1 (not -1).  Omit optional reloads for address operands
2565         only if find_reloads_address returned 1 (not -1).
2566
2567         * config/s390/s390.c (legitimize_reload_address): New function.
2568         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
2569         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
2570         legitimize_reload_address.
2571
2572 2004-08-22  Richard Hendersion  <rth@redhat.com>
2573
2574         * tree.h (SAVE_EXPR_RESOLVED_P): New.
2575         * gimplify.c (gimplify_save_expr): Use it.
2576         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
2577         on the temporary variable.
2578
2579 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2580
2581         * fold-const.c (rtl_expr_nonnegative_p): Delete.
2582         * tree.h (rtl_expr_nonnegative_p): Remove.
2583
2584 2004-08-22  Steven Bosscher  <stevenb@suse.de>
2585
2586         * config/i386/ppro.md (ppro_complex_insn): Add missing check
2587         for cpu==pentiumpro.
2588
2589         * combine.c (struct reg_stat): Fix comment typo.
2590
2591 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2592
2593         * c-tree.h (c_sizeof_nowarn): Remove.
2594
2595 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2596
2597         * c-decl.c (set_array_declarator_type): Rename to
2598         set_array_declarator_inner.
2599         (build_c_parm, build_attrs_declarator, build_function_declarator):
2600         New functions.
2601         (make_pointer_declarator): Call build_attrs_declarator.
2602         * c-tree.h (set_array_declarator_type): Rename to
2603         set_array_declarator_inner.
2604         (build_c_parm, build_attrs_declarator, build_function_declarator):
2605         New prototypes.
2606         * c-parse.in (after_type_declarator,
2607         parm_declarator_starttypename, parm_declarator_nostarttypename,
2608         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
2609         firstparm): Use these functions
2610
2611 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2612
2613         * c-decl.c (build_array_declarator, set_array_declarator_type,
2614         start_decl, grokdeclarator, grokparms): Change boolean parameters
2615         to type bool.
2616         * c-tree.h (build_array_declarator, set_array_declarator_type,
2617         start_decl): Update prototypes.
2618         * c-decl.c, c-parse.in: All callers changed.
2619
2620 2004-08-21  Mike Stump  <mrs@apple.com>
2621
2622         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
2623         (darwin_fix_and_continue): Likewise.
2624         (darwin_fix_and_continue_switch): Likewise.
2625         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
2626         (darwin_fix_and_continue): Likewise.
2627         (darwin_fix_and_continue_switch): Likewise.
2628
2629 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
2630
2631         PR  c++/16030
2632         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
2633         Remove, merging into ...
2634         (gen_stdcall_or_fastcall_suffix): New function, returning tree
2635         rather than const char*, and accepting additional parameter.
2636         Don't add suffix to '*'-prefixed symbols or variadic functions.
2637         (i386_pe_encode_section_info): Adjust for call to new function.
2638         Call change_decl_assembler_name.
2639
2640 2004-08-20  Mike Stump  <mrs@apple.com>
2641
2642         * config/darwin.c (machopic_indirect_data_reference): Mark
2643         stubs as defined.
2644         * config/386/386.c (darwin_local_data_pic): Add.
2645         (legitimate_constant_p): Reorder so that PLUS handling runs
2646         before darwin_local_data_pic to match the ordering in
2647         legitimate_pic_address_disp_p and so that MINUS runs after
2648         darwin_local_data_pic as otherwise the darwin_local_data_pic
2649         logic can be skipped, which would be very bad.
2650         (legitimate_pic_address_disp_p): Move from from here to
2651         darwin_local_data_pic so it can be reused.
2652
2653 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
2654
2655         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
2656         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
2657         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
2658         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
2659         (RS6000_ABI_NAME): Define as "linux".
2660         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
2661         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
2662         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
2663         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
2664         * config/rs6000/rs6000.c (dot_symbols): New global var.
2665         (rs6000_output_function_entry): New function, modified for
2666         !DOT_SYMBOLS..
2667         (print_operand <case 'z'>): ..extracted from here.
2668         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
2669         (rs6000_output_function_epilogue): Likewise.
2670         (rs6000_elf_declare_function_name): Likewise.
2671         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
2672         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
2673         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
2674         * configure: Regenerate.
2675         * config.in: Regenerate.
2676
2677 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2678
2679         * reload.c (find_reloads_address): Fix thinko in previous change.
2680
2681         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
2682         a CONST_INT.
2683
2684 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
2685
2686         PR rtl-optimization/17099
2687         * combine.c (force_to_mode): Check if inner_mask has any bits set
2688         outside of GET_MODE (x) instead of op_mode.
2689
2690 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2691
2692         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
2693         fragment.
2694         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
2695         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
2696         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
2697         architecture.
2698         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
2699         configurations.
2700         * config/arm/t-symbian: New file.
2701
2702 2004-08-20  Andrew Pinski  <apinski@apple.com>
2703
2704         * regrename.c (kill_value_regno): ANSIfy.
2705
2706 2004-08-20  Dale Johannesen  <dalej@apple.com>
2707
2708         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
2709
2710 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
2711
2712         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
2713         (kill_value_regno): New function, derived from kill_value.
2714         (kill_value): Update.
2715         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
2716
2717 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
2718
2719         Fix PR tree-optimization/17111
2720         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
2721         of non-value_handles.
2722         (bitmap_set_contains): All constants are in every set.
2723
2724 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2725
2726         * fold-const.c (round_up, round_down): Use build_int_cst.
2727         Optimize common case.
2728
2729 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
2730             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2731
2732         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
2733         one_only_data_section): Rename to som_readonly_data_section,
2734         som_one_only_readonly_data_section and som_one_only_data_section.
2735         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
2736         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
2737         conditional defines.
2738         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
2739         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
2740         string values.
2741         (pa_select_section): Use renamed section functions.
2742         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2743         SOM_READONLY_DATA_SECTION_FUNCTION,
2744         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
2745         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
2746         Define here ...
2747         * config/pa/som.h: ... not here.
2748         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
2749         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
2750         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
2751         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
2752         (READONLY_DATA_SECTION): Use som_readonly_data_section.
2753
2754 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2755
2756         * fold-const.c (int_const_binop): Don't generate non-overflowing
2757         size-types specially.
2758         (fold_convert_const): Likewise.
2759
2760         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
2761         clear cache on copied sizetype.
2762
2763 2004-08-20  Ben Elliston  <bje@au.ibm.com>
2764
2765         * configure.ac: Don't escape apostrophe in --enable-coverage help.
2766         * configure: Regenerate.
2767
2768 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
2769
2770         PR 5620
2771         * gcc.c (struct stat input_stat): Don't define if
2772         HOST_LACKS_INODE_NUMBERS
2773         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
2774         than stat to determine if temp file is same as input file.
2775         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
2776         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
2777
2778 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
2779
2780         * configure.ac (mips*-*-*): Print an error if not using GAS.
2781         * configure: Regenerated.
2782         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
2783         comments about buggy MIPSpro assemblers.
2784         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
2785         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
2786         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
2787         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
2788         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
2789         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
2790         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
2791         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
2792         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
2793         of more general IRIX 6 definitions.
2794         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
2795         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
2796         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
2797         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
2798         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
2799         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
2800         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
2801         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
2802         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
2803         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
2804         (LINK_SPEC): Move most of definition to iris.h.
2805         (SUBTARGET_LINK_SPEC): New macro.
2806         (IRIX_STARTFILE_SPEC): Fold into...
2807         (STARTFILE_SPEC): ...here.
2808         (IRIX_ENDFILE_SPEC): Fold into...
2809         (ENDFILE_SPEC): ...here.
2810         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
2811         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
2812         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
2813         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
2814         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
2815         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
2816         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
2817         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
2818         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
2819         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
2820         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
2821         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
2822         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
2823         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
2824         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
2825         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
2826         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
2827         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
2828         (TARGET_IRIX6): Define to 1.
2829         (DRIVER_SELF_SPECS): Define.
2830         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
2831         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
2832         (SUBTARGET_LINK_SPEC): New macro.
2833         (IRIX_STARTFILE_SPEC): Fold into...
2834         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
2835         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
2836         (LIB_SPEC, LIBGCC_SPEC): Use them.
2837         (LIB_SPEC): Remove !mabi=* case.
2838         (IRIX_ENDFILE_SPEC): Fold into...
2839         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
2840         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
2841         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
2842         (TARGET_IRIX6): New macro.
2843         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
2844         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
2845         (LABEL_AFTER_LOC): Delete.
2846         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
2847         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
2848         (mips_build_builtin_va_list): Check TARGET_IRIX6.
2849         (override_options): Remove TARGET_SGI_O32_AS-related code.
2850         (irix_output_external_libcall): Make static.
2851         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
2852         LABEL_AFTER_LOC.
2853         (mips_file_start): Tidy guard for ABI sections.  Remove use of
2854         ABICALLS_ASM_OP; use .abicalls instead.
2855         (mips_output_aligned_decl_common, mips_declare_object_name)
2856         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
2857         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
2858         .globl foo .text directives.
2859         (irix_asm_named_section_1, irix_asm_named_section)
2860         (irix_section_align_entry, irix_section_align_htab)
2861         (irix_orig_asm_out_file, irix_section_align_entry_eq)
2862         (irix_section_align_entry_hash, irix_asm_output_align)
2863         (irix_file_start, irix_section_align_1, copy_file_data)
2864         (irix_file_end, irix_section_type_flags): Delete.
2865         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
2866         Use standard section syntax.  Remove protective "jr $31".
2867         (__gcc_fini): Likewise .gcc_fini.
2868         * config/mips/irix-crtn.asm: Adjust sections accordingly.
2869         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
2870         iris5gas.h.
2871         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
2872         from t-irix-gld.
2873         (EXTRA_MULTILIB_PARTS): Define.
2874         * config/mips/t-iris6: Remove bogus comment.
2875         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
2876         * config/mips/iris5gas.h, config/mips/iris5gld.h,
2877         config/mips/iris6gas.h, config/mips/iris6gld.h,
2878         config/mips/t-iris5-as, config/mips/t-iris5-gas
2879         config/mips/t-irix-gld: Delete.
2880         * config/mips/iris.h: New file.
2881         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
2882
2883 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
2884
2885         * postreload.c (reload_cse_move2add): Allow any condjump, but check
2886         that the implicit set isn't clobbered in the jump insn.
2887
2888 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
2889
2890         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
2891         * optabs.c (init_optabs): Don't check it.
2892         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
2893         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
2894
2895 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
2896
2897         * config/s390/s390.md (s390_warn_framesize_string)
2898         (s390_warn_dynamic_string, s390_stack_size_string)
2899         (s390_stack_guard_string): New global string variables.
2900         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
2901         (s390_stack_guard): New global variables.
2902         (override_options): Added checks for the new options.
2903         (s390_emit_prologue): Emit stack check and trap code and perform
2904         compile time stack size checking.
2905
2906         * config/s390/s390.h (TARGET_OPTIONS): Added new options
2907         "warn-framesize", "warn-dynamicstack", "stack-size" and
2908         "stack-guard".
2909
2910         * doc/invoke.texi: Added documentation for the new options.
2911
2912 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
2913
2914         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
2915         to eliminate warning.
2916         (linear_search_fdes): Declare p as unsigned.
2917         (binary_search_mixed_encoding_fdes): Likewise.
2918         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
2919         to eliminate warning.
2920         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
2921         type cast.
2922
2923 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
2924
2925         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
2926         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
2927         instead of one.  Check for strictly legitimate address.
2928         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
2929         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
2930
2931 2004-08-19  Eric Christopher  <echristo@redhat.com>
2932
2933         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
2934         * langhooks.h (unsave_expr_now): Ditto.
2935         * tree.h (unsave_expr_1): Remove prototype.
2936         (lhd_unsave_expr_now): Rename to unsave_expr_now.
2937         * tree-inline.c (unsave_expr_1): Move here
2938         from tree.c. Make static.
2939         (unsave_expr_now): Rename from lhd_unsave_expr_now.
2940         * tree-sra.c: Fix up for rename.
2941         * tree-ssa-copy.c: Ditto.
2942         * tree-eh.c: Ditto.
2943         * tree.c (unsave_expr_1): Move to tree-inline.c.
2944
2945 2004-08-19  Caroline Tice  <ctice@apple.com>
2946
2947         * config/i386/cygming.h (switch_to_section):  Fix typo (change
2948         in_unlikely_text_section to in_unlikely_executed_text).
2949
2950 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
2951
2952         * vec.h (VEC_lower_bound): New macro.
2953
2954 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
2955
2956         PR target/16446
2957         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
2958         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
2959         treat each ABI separately.  Deal with n32/n64 complex float arguments.
2960         (function_arg): Add associated complex handling here.
2961
2962 2004-08-19  Richard Henderson  <rth@redhat.com>
2963
2964         * config/arm/arm.c (arm_gen_load_multiple): Use
2965         adjust_automodify_address.  Take base memory and offset instead
2966         of unchanging/struct/scalar bits.
2967         (arm_gen_store_multiple): Likewise.
2968         (arm_gen_movmemqi): Use adjust_automodify_address.
2969         * config/arm/arm-protos.h: Update decls.
2970         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
2971         (store_multiple): Similarly.
2972
2973 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
2974
2975         * regclass.c (globalize_reg): Update call_really_used_regs.
2976
2977 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
2978
2979         * doc/invoke.texi (integer-share-limit): Document.
2980
2981         * tree.h (TYPE_CACHED_VALUES_P): New.
2982         (TYPE_CACHED_VALUES): New.
2983         (TYPE_ORIG_SIZE_TYPE): Adjust.
2984         * tree.def (INTEGER_CST): Update documentation.
2985         * tree.c: Inlcude params.h.
2986         (build_int_cst): Cache small values.
2987         (build_type_copy): Do not copy the value cache.
2988         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
2989         unneeded zeroing.
2990         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
2991         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
2992         cache.
2993         * fold-const.c (force_fit_type): Copy value when setting
2994         overflows.
2995         (int_const_binop): Likewise.
2996         * stor-layout.c: Include params.h
2997         (set_sizetype): Create values cache.
2998         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
2999         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
3000         * params.h (INTEGER_SHARE_LIMIT): New.
3001         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
3002
3003 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
3004
3005         * gimplify.c (gimplify_minimax_expr): Remove.
3006         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
3007
3008 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
3009
3010         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3011         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
3012
3013 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3014
3015         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
3016
3017 2004-08-18  Andrew Pinski  <apinski@apple.com>
3018
3019         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
3020
3021 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
3022
3023         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
3024         (__aeabi_ul2f): Likewise.
3025
3026 2004-08-18  Richard Henderson  <rth@redhat.com>
3027
3028         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
3029         move to rtl completely.
3030         (struct meminsnbuf, xtensa_emit_block_move): Remove.
3031         (xtensa_find_mode_for_size): Remove.
3032         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
3033         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
3034
3035 2004-08-18  Richard Henderson  <rth@redhat.com>
3036
3037         * config/mcore/mcore.c (mode_from_align): Remove DImode.
3038         (block_move_sequence): Rewrite to use adjust_address.
3039         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
3040         Return boolean indicating success/failure.
3041         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
3042         * config/mcore/mcore.md (movmemsi): Update to match.
3043
3044 2004-08-18  Mike Stump  <mrs@apple.com>
3045
3046         * doc/invoke.texi (-mfix-and-continue): Add support for
3047         fast turn around debugging.
3048         (-ffix-and-continue): Likewise.
3049         (-mindirect-data): Likewise.
3050         (-findirect-data): Likewise.
3051         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
3052         (indirect_data): Likewise.
3053         (machopic_data_defined_p): Likewise.
3054         (machopic_output_indirection): Likewise.
3055         (darwin_encode_section_info): Likewise.
3056         (darwin_fix_and_continue): Likewise.
3057         (darwin_fix_and_continue_switch): Likewise.
3058         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
3059         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
3060         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
3061         (SUBTARGET_OPTIONS): Likewise.
3062         (darwin_fix_and_continue): Likewise.
3063         (darwin_fix_and_continue_switch): Likewise.
3064         (TARGET_FIX_AND_CONTINUE): Likewise.
3065         * config/rs6000.c (rs6000_emit_prologue): Likewise.
3066
3067 2004-08-19  Steven Bosscher  <stevenb@suse.de>
3068
3069         * basic-block.h (struct edge_def): Remove crossing_edge.
3070         (EDGE_CROSSING): New define.
3071         (EDGE_ALL_FLAGS): Update.
3072         * bb-reorder.c (find_traces_1_round, better_edge_p,
3073         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
3074         find_jump_block, fix_crossing_conditional_branches,
3075         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3076         Replace all occurences of crossing_edge with an edge flag check
3077         or set/reset.
3078         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3079         try_crossjump_bb): Likewise.
3080         * cfglayout.c (fixup_reorder_chain): Likewise.
3081         * cfgrtl.c (force_nonfallthru_and_redirect,
3082         commit_one_edge_insertion): Likewise.
3083
3084         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
3085         * tree-flow.h (compute_dominance_frontiers): Move prototype...
3086         * basic-block.h:  ...here.
3087         * tree-cfg.c (compute_dominance_frontiers_1,
3088         compute_dominance_frontiers): Move from here...
3089         * cfganal.c: ...to here.  Include timevar.h.
3090
3091 2004-08-18  James E Wilson  <wilson@specifixinc.com>
3092
3093         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
3094         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
3095
3096         * config/mips/mips.md (type): Add frdiv.
3097         (divsf3+1, divsf3+2): Change type to frdiv.
3098         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
3099         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
3100
3101         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
3102         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
3103         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
3104         * config/mips/5000.md (r5k_fdiv_single): Likewise.
3105         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
3106         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
3107         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
3108         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
3109         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
3110         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
3111         Likewise.
3112         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
3113
3114 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
3115
3116         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
3117         get regression tester working again.
3118
3119 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3120
3121         * insn-notes.def, reg-notes.def: New files.
3122         * rtl.h: Use them to define enum insn_note and enum reg_note.
3123         * rtl.c: Use them to define note_insn_name and reg_note_name.
3124         * Makefile.in (RTL_BASE_H): Update.
3125
3126         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
3127         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3128
3129 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3130
3131         * arm.c (arm_size_rtx_costs): New function.
3132         (arm_override_options): Use it if optimizing for space.
3133
3134 2004-08-18  Richard Henderson  <rth@redhat.com>
3135
3136         * emit-rtl.c (gen_const_mem): New.
3137         * rtl.h (gen_const_mem): Declare.
3138         * expr.c (do_tablejump): Use it.
3139         * varasm.c (force_const_mem): Likewise.
3140         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3141         (machopic_legitimize_pic_address): Likewise.
3142         * config/arm/arm.c (legitimize_pic_address): Likewise.
3143         * config/i386/i386.c (legitimize_pic_address): Likewise.
3144         (legitimize_tls_address): Likewise.
3145         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3146         * config/ia64/ia64.md (load_fptr): Likewise.
3147         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3148         * config/pa/pa.c (legitimize_pic_address): Likewise.
3149         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3150         (rs6000_emit_move): Likewise.
3151         * config/s390/s390.c (legitimize_pic_address): Likewise.
3152         (legitimize_tls_address): Likewise.
3153         * config/s390/s390.md (casesi): Likewise.
3154         * config/sh/sh.c (sh_reorg): Likewise.
3155         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3156         * config/v850/v850.md (casesi): Likewise.
3157
3158         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
3159         * config/sh/sh.c (prepare_move_operands): Remove incorrect
3160         use of MEM_READONLY_P.
3161
3162 2004-08-18  Steven Bosscher  <stevenb@suse.de>
3163
3164         * Makefile.in (OBJS-common): Add postreload-gcse.c.
3165         Add new postreload-gcse.o.
3166         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
3167         (lookup_as_function, insert, rehash_using_reg, use_related_value,
3168         equiv_constant): Use SAFE_HASH instead of safe_hash.
3169         (exp_equiv_p): Export.  Add for_gcse argument when comparing
3170         for GCSE.
3171         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
3172         find_comparison_args, fold_rtx, cse_insn): Update callers.
3173         (hash_rtx): New function derived from old canon_hash and bits
3174         from gcse.c hash_expr_1.
3175         (canon_hash_string): Rename to hash_rtx_string.
3176         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
3177         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
3178         (cselib_lookup): Update this caller.
3179         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
3180         Make static.
3181         (hash_expr): Call hash_rtx.
3182         (ldst_entry): Likewise.
3183         (expr_equiv_p): Call exp_equiv_p.
3184         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
3185         reg_used_on_edge, reg_set_between_after_reload_p,
3186         reg_used_between_after_reload_p, get_avail_load_store_reg,
3187         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
3188         get_bb_avail_insn, hash_scan_set_after_reload,
3189         compute_hash_table_after_reload,
3190         eliminate_partially_redundant_loads, gcse_after_reload,
3191         get_bb_avail_insn, gcse_after_reload_main): Remove.
3192         * postreload-gcse.c: New file, reincarnating most of the above.
3193         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
3194         (gcse_after_reload_main): Update prototype.
3195         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
3196         * passes.c (rest_of_handle_gcse2): Use it.
3197
3198 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3199
3200         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
3201         (pass_loop_done): Likewise.
3202
3203 2004-08-18  Andrew Pinski  <apinski@apple.com>
3204
3205         * config/rs6000/darwin.md: Delete the altivec patterns which are
3206         handled differently now.
3207         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
3208         (macho_correct_pic_di): Likewise.
3209         (call_indirect_nonlocal_darwin64): Likewise.
3210         Delete the save world/saveFP/saveVec patterns.
3211
3212         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
3213         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3214         * config/rs6000/rs6000.md: Include darwin.md.
3215         (builtin_setjmp_receiver): Add DImode case.
3216         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3217         Darwin bits.
3218
3219 2004-08-18  Matt Austern  <austern@apple.com>
3220
3221         Dead code stripping
3222         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
3223         * darwin.c (darwin_file_end): Mark file as potentially strippable.
3224
3225 2004-08-18  Richard Henderson  <rth@redhat.com>
3226
3227         * alias.c (readonly_fields_p): Remove.
3228         (objects_must_conflict_p): Don't call it.
3229         * tree.h (readonly_fields_p): Remove.
3230         * langhooks.h (struct lang_hooks): Remove honor_readonly.
3231         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
3232
3233 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3234
3235         * tree-dfa.c (add_referenced_var): Only global variables are
3236         call-clobbered.
3237         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
3238         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
3239         all pointers dereferenced if the statement dereferences them.
3240         (create_name_tags): Do not create memory tags for pointers
3241         that have PT_ANYTHING set.
3242         Also check if PT_VARS is not empty before creating a name tag.
3243         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
3244         variables that share the same alias set with a pointer that
3245         may point anywhere.
3246         (add_may_alias): Add FIXME comment to remove clobbering
3247         aliased variables and tags.
3248         (replace_may_alias): Likewise.
3249         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
3250         (merge_pointed_to_info): If the original variable has not
3251         points-to information, call set_pt_anything.
3252         (add_pointed_to_var): Do not prevent adding a pointed-to
3253         variable if the pointers is PT_ANYTHING.
3254         If the variable is a global, set PT_GLOBAL_MEM.
3255         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
3256         pointer type only come in PTR+OFFSET flavours.
3257         Always call merge_pointed_to_info on PHI arguments that are
3258         SSA_NAMEs.
3259         (get_nmt_for): Mark call-clobbered tags whose pointer points
3260         to global memory.
3261         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
3262         values.
3263         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
3264         FLAGS.
3265         (add_stmt_operand): Abort if the caller tried to add a killing
3266         definition for a memory tag.
3267         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
3268         unnecessary checks.
3269
3270 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
3271
3272         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
3273         from call_used_regs.  Update call_really_used_regs.
3274         (CALL_REALLY_USED_REGISTERS): Define.
3275         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
3276         Replace call_used_regs with call_really_used_regs.
3277         (calc_live_regs, sh_media_register_for_return): Likewise.
3278         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
3279         * sh.md (return_media): Likewise.
3280
3281 2004-08-18  Andrew Pinski  <apinski@apple.com>
3282
3283         * config/darwin.c (machopic_legitimize_pic_address): Only set
3284         MEM_READONLY_P in the non TARGET_TOC case.
3285
3286 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3287
3288         * rtl.def (NIL): Delete.
3289         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
3290         Tighten the syntax a little.
3291
3292         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
3293         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
3294         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
3295         * config/i386/predicates.md, config/m32r/m32r.h
3296         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
3297         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
3298         * config/sparc/sparc.h, doc/tm.texi:
3299         Replace all occurrences of NIL with UNKNOWN.
3300
3301 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3302
3303         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
3304         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
3305         sequence inline.  Move drop_through_label code into this
3306         block, being the only place it is used.  Adjust comments.
3307
3308 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
3309
3310         * config/rs6000/altivec.md: Add new patterns for calls to
3311         save_world/rest_world functions.
3312
3313         * config/rs6000/rs6000-protos.h: (save_world_operation,
3314         restore_world_operation) new declarations.
3315
3316         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
3317         field added.
3318         (rs6000_stack_info): Set world_save_p field.
3319         (save_world_operation): New function.
3320         (restore_world_operation): New function.
3321         (compute_save_world_info): New function.
3322         (rs6000_stack_info): Call compute_save_world_info.
3323         (rs6000_emit_prologue): Check for world_save_p and generate
3324         pattern to call save_world for saving all non-volatile and
3325         special registers.
3326         (rs6000_emit_epilogue): Check for world_save_p and generate
3327         pattern to call rest_world to restore saved registers.
3328
3329         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
3330         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
3331         (rs6000_reg_names): New entries added for save_world_operation and
3332         restore_world_operation.
3333
3334 2004-08-18  Caroline Tice  <ctice@apple.com>
3335
3336         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
3337         "-freorder-blocks-and-partition" to the flags used in second
3338         stage of profiledbootstrap.
3339         * bb-reorder.c (push_to_next_round_p): Add new variable,
3340         next_round_is_last; set and use variable to make sure, when
3341         partitioning, that the last trace construction round consists
3342         of all (and only) cold basic blocks.
3343         (rotate_loop): Don't copy blocks that end in a section
3344         crossing jump.
3345         (copy_bb): Correctly initialize "partition" of duplicated bb.
3346         (add_unlikely_executed_notes): Add a comment.
3347         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
3348         to make sure, if function contains hot blocks, that the
3349         successors of ENTRY_BLOCK_PTR are hot; also, only look for
3350         crossing edges if the architecture supports named sections.
3351         (mark_bb_for_unlikely_executed_section): Modify to always
3352         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
3353         the basic block note insn.
3354         (fix_crossing_unconditional_branches): Remove extra space.
3355         (fix_edges_for_rarely_executed_code): Modify to only do
3356         partitioning work if the architecture supports named sections.
3357         (reorder_basic_blocks): Modify to only add
3358         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
3359         supports named sections.
3360         * c-common.c (handle_section_attribute): Initialize new global
3361         variable, user_defined_section_attribute, to true if user has
3362         specified one.
3363         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
3364         forward edges that cross section boundaries.
3365         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
3366         partitioning information if the architecture supports named
3367         sections.
3368         * cfgrtl.c (target.h): Add statement to include this.
3369         (rtl_split_block): Make sure newly created bb gets correct
3370         partition.
3371         (try_redirect_by_replacing_jump): Make sure redirection isn't
3372         attempting to cross section boundaries.
3373         (force_nonfallthru_and_redirect): Only do partition fix up if
3374         architecture supports named sections.
3375         (rtl_split_edge): Make sure newly created bb ends up in
3376         correct partition.
3377         (commit_one_edge_insertion): Remove code that incorrectly
3378         updated basic block partition; Make sure partition fix up only
3379         happens if architecture supports named sections and it's not
3380         already done.
3381         (rtl_verify_flow_info_1): Fix if-condition on test/error
3382         condition that fallthru edges are not allowed to cross section
3383         boundaries.
3384         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
3385         * final.c (final_scan_insn): Remove redundant test from if-statement;
3386         change calls to text_section into calls to function_section; add code
3387         to only to partitioning fix up if architecture supports named
3388         sections.
3389         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
3390         partition.
3391         (if_convert): Add targetm.have_named_sections to test.
3392         * output.h (unlikely_section_label): Extern declaration for new global
3393         variable.
3394         (unlikely_text_section_name): Likewise.
3395         * opts.c (decode_options): If both partitioning and DWARF debugging
3396         are turned on, issue a warning that this doesn't work, and change
3397         partitiong to basic block reordering (without hot/cold partitions).
3398         * passes.c (rest_of_handle_final): Re-set new global variable,
3399         user_defined_section_attribute, to false.
3400         (rest_of_compilation): Change options for calling partitioning
3401         function: Don't call if the user defined the section attribute, and
3402         don't call if DECL_ONE_ONLY is true for the current function.
3403         * predict.c (choose_function_section): Return immediately if we
3404         are doing hot/cold partitioning (i.e. let the basic block partitioning
3405         determine where the function belongs).
3406         * reg-stack.c (emit_swap_insn): Add condition to step over
3407         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
3408         * toplev.c (user_defined_section_attribute): New global variable.
3409         * toplev.h (user_defined_section_attribute): Extern declaration
3410         for new global variable.
3411         * varasm.c (unlikely_section_label): New global variable.
3412         (unlikely_text_section_name): New global variable.
3413         (unlikely_text_section): Add code to initialize
3414         unlikely_text_section_name if necessary; modify to use
3415         unlikely_text_section_name and unlikely_section_label; also to use
3416         named_section properly.
3417         (in_unlikely_text_section):  Modify to work correctly with
3418         named_section and to use unlikely_text_section_name.
3419         (named_section):  Add code to work properly with cold section.
3420         (function_section): Clean up if-statement.
3421         * config/darwin.c (darwin_asm_named_section): Return to original
3422         code, removing use of SECTION_FORMAT_STRING.
3423         * config/arm/pe.h (switch_to_section):  Add case for
3424         in_unlikely_executed_text to switch statement.
3425         * config/i386/cygming.h (switch_to_section): Likewise.
3426         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3427         (SECTION_FORMAT_STRING): Likewise.
3428         * config/mcore/mcore.h (switch_to_section): Likewise.
3429         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3430         (SECTION_FORMAT_STRING): Remove.
3431
3432 2004-08-18  Roger Sayle  <roger@eyesopen.com>
3433
3434         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
3435         -ffixed-reg safe, by preserving the meanings of zero and one.
3436         (CALL_USED_REGISTERS): Likewise.
3437         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
3438
3439 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3440
3441         * config/sh/sh.c (split_branches): Check the result of
3442         next_active_insn.
3443         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
3444         Call rtl_register_cfg_hooks.
3445
3446 2004-08-18  Richard Henderson  <rth@redhat.com>
3447
3448         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3449         * alias.c (true_dependence): Update to match new semantics.
3450         (canon_true_dependence, write_dependence_p): Likewise.
3451         (anti_dependence, output_dependence): Update write_dependence_p args.
3452         (unchanging_anti_dependence): Remove.
3453         * calls.c (purge_mem_unchanging_flag): Remove.
3454         (fixup_tail_calls): Don't call it.
3455         (expand_call): Don't add unchanging memory to function usage.
3456         * expr.c (emit_block_move_via_libcall): Likewise.
3457         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
3458         (get_subtarget): Don't use RTX_UNCHANGING_P.
3459         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
3460         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
3461         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
3462         * cse.c (insert): Don't use RTX_UNCHANGING_P.
3463         (cse_insn, canon_hash): Use MEM_READONLY_P.
3464         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
3465         instead of RTX_UNCHANGING_P.
3466         * explow.c (maybe_set_unchanging): Remove.
3467         * expr.h (maybe_set_unchanging): Remove.
3468         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
3469         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
3470         (assign_parm_setup_reg, expand_function_start): Likewise.
3471         * integrate.c (copy_rtx_and_substitute): Likewise.
3472         * ra-rewrite.c (emit_colors): Likewise.
3473         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
3474         (fixup_match_1): Likewise.
3475         * reload1.c (reload, alter_reg): Likewise.
3476         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
3477         not RTX_UNCHANGING_P.
3478         (equiv_init_varies_p): Likewise.
3479         * loop-invariant.c (check_maybe_invariant): Likewise.
3480         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
3481         * loop.c (note_addr_stored): Likewise.
3482         (prescan_loop): Likewise. Don't check function usage for clobbered
3483         unchanging memory.
3484         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
3485         not RTX_UNCHANGING_P.
3486         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
3487         * varasm.c (force_const_mem): Likewise.
3488         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
3489         * web.c (entry_register): Likewise.
3490         * tree-gimple.h (get_base_address): Move decl ...
3491         * tree.h: ... here.
3492         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3493
3494         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
3495         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
3496         (alpha_set_memflags): Update to match.
3497
3498         * config/darwin.c (machopic_indirect_data_reference): Set
3499         MEM_READONLY_P instead of RTX_UNCHANGING_P.
3500         (machopic_indirect_call_target): Likewise.
3501         (machopic_legitimize_pic_address): Likewise.
3502         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
3503         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
3504         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
3505         * config/frv/frv.md (symGOT2reg): Likewise.
3506         * config/i386/i386.c (legitimize_pic_address,
3507         legitimize_tls_address, ix86_split_to_parts): Likewise.
3508         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3509         * config/ia64/ia64.md (load_fptr): Likewise.
3510         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3511         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
3512         * config/mcore/mcore.c (block_move_sequence): Likewise.
3513         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
3514         * config/pa/pa.c (legitimize_pic_address): Likewise.
3515         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3516         (rs6000_emit_move): Likewise.
3517         * config/s390/s390.c (legitimize_pic_address): Likewise.
3518         (legitimize_tls_address): Likewise.
3519         * config/s390/s390.md (casesi): Likewise.
3520         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
3521         * config/sh/sh.md (symGOT2reg): Likewise.
3522         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3523         * config/v850/v850.md (casesi): Likewise.
3524
3525         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
3526         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
3527         * config/mips/mips.c (mips_restore_gp): Likewise.
3528         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
3529         * config/sh/sh.c (sh_reorg): Likewise.
3530
3531 2004-08-18  Richard Henderson  <rth@redhat.com>
3532
3533         * tree.h (struct tree_decl): Add gimple_formal_temp.
3534         (DECL_GIMPLE_FORMAL_TEMP_P): New.
3535         * gimplify.c (pop_gimplify_context): Clear it.
3536         (lookup_tmp_var): Set it, if is_formal.
3537         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
3538         Use is_gimple_val for VECTOR.  Simplify return value.
3539         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
3540         (gimplify_expr): Likewise.
3541         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
3542         is_gimple_tmp_rhs for clarity.  Update all callers.
3543         (is_gimple_reg_rhs): Simplify logic.
3544         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
3545         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
3546         (is_gimple_formal_tmp_reg): Similarly.
3547         * tree-gimple.h: Update decls.
3548         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
3549         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
3550         * tree-ssa-live.c (var_union, type_var_init): Likewise.
3551
3552 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
3553
3554         * c4x.c (legitimize_operands): Remove calls to
3555         preserve_subexpressions_p.
3556
3557 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
3558
3559         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
3560         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
3561
3562 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
3563
3564         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
3565         Objective-C++ extensions.
3566         * gengtype.c (get_file_basename): Match entire subdirectory name
3567         ('cp', 'objc', 'objcp') rather than just its suffix.
3568         (get_base_file_bitmap): Allow for files to belong to more than one
3569         language.
3570         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
3571         used by more than one front-end.
3572
3573 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3574
3575         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
3576         avoid use of preserve_subexpressions_p.
3577
3578 2004-08-17  Richard Henderson  <rth@redhat.com>
3579
3580         PR 17051
3581         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
3582
3583 2004-08-17  DJ Delorie  <dj@redhat.com>
3584
3585         * doc/extend.texi: Document new xstormy16 attribute.
3586
3587         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
3588         (xstormy16_splittable_below100_or_register): New.
3589         (combine_bnp): New.
3590         (xstormy16_reorg): New.
3591         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3592
3593         * config/stormy16/stormy16.md (movqi_internal): Make name public.
3594         (movhi_internal): Likewise.
3595         (cbhranchhi): Likewise.
3596         (cbhranchhi_neg): Likewise.
3597         (andhi3): Only allow splittable below100 operands.
3598         (iorhi3): Likewise.
3599         (peephole2): New and/zero_extend->and peephole.
3600         (peephole2): New load/ior/save->set1 peephole.
3601         (peephole2): New load/and/save->clr1 peephole.
3602         (bclrx, bclrx2, bclr7, bclr15): New.
3603         (bsetx, bsetx2, bset7, bset15): New.
3604
3605         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
3606         liberal about acceptable 'B' masks.
3607
3608         * config/stormy16/stormy16-protos.h
3609         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3610         xstormy16_below100_operand, xstormy16_below100_or_register,
3611         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3612         (PREDICATE_CODES): Add new predicates.
3613
3614         * config/stormy16/stormy16.c
3615         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3616         xstormy16_below100_operand, xstormy16_below100_or_register,
3617         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3618         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
3619         (xstormy16_legitimate_address_p): Allow below100 symbols.
3620         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
3621         (xstormy16_expand_move): Leave below100 operands as-is.
3622         (xstormy16_encode_section_info): Encode below100 symbols.
3623         (xstormy16_strip_name_encoding): New.
3624         (xstormy16_print_operand): Print 'b' as shift mask.
3625         (xstormy16_attribute_table): Add below100 attributes.
3626         (xstormy16_handle_below100_attribute): New.
3627
3628         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
3629         (XSTORMY16_SECTION_FUNCTION): New.
3630         (EXTRA_SECTION_FUNCTIONS): Define using the above.
3631         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
3632         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
3633         (ASM_OUTPUT_LABELREF): Define.
3634
3635         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
3636         (movhi_internal): Add below100 support.
3637         (andhi3): Add below100 support.
3638         (iorhi3): Add below100 support.
3639         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
3640
3641 2004-08-17  James E Wilson  <wilson@specifixinc.com>
3642
3643         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
3644         of VOIDmode for comparison code mode.
3645         * config/mips/mips.md: For conditional move patterns, use mode of
3646         first compare operand for comparison mode, instead of VOIDmode.
3647
3648         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
3649         normal and -ffast-math code.
3650
3651 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
3652
3653         PR c++/15871
3654         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
3655
3656 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
3657
3658         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
3659
3660 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
3661
3662         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
3663         for non Darwin targets.
3664         (*call_value_nonlocal_darwin64): Likewise.
3665
3666 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
3667
3668         * config/rs6000/rs6000.c (rs6000_function_value): Check for
3669         altivec mode for altivec return register.
3670
3671 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
3672
3673         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
3674         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3675         * config/rs6000/rs6000.md: Include darwin.md.
3676         (builtin_setjmp_receiver): Add DImode case.
3677         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3678         Darwin bits.
3679
3680 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
3681
3682         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
3683         trees.
3684         * tree-vectorizer.h: New File: Same.
3685         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
3686         * common.opt (ftree-vectorize): New flag to enable vectorization.
3687         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
3688         vectorization pass.
3689         * tree-data-ref.h (init_data_ref): Additional argument.
3690         (array_base_name_differ_p): Moved to tree-data-ref.c.
3691         * tree-data-ref.c (array_base_name_differ_p): Revised.
3692         (initialize_data_dependence_relation): Call array_base_name_differ_p
3693         with an extra argument.
3694         (analyze_all_data_dependences): Same.
3695         (init_data_ref): Additional argument is_read to set DR_IS_READ.
3696         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
3697         file.
3698         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
3699         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
3700         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
3701         vectorization pass.
3702         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
3703         (tree_ssa_loop_done): Call scev_finalize.
3704         (tree_vectorize): Define the new vectorization pass.
3705         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
3706         size of the vector they support (until support for multiple vector
3707         sizes is added to the vectorizer).
3708         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
3709         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
3710         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
3711         documentation.
3712
3713 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
3714
3715         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
3716         usage.
3717         (generate_protocol_list, handle_impent): Likewise.
3718
3719 2004-08-17  Roger Sayle  <roger@eyesopen.com>
3720
3721         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
3722         ensure that call_used_regs is a superset of both fixed_regs and
3723         call_really_used_regs.
3724
3725 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
3726
3727         PR target/17019
3728         * arm.md (addsi3_cbranch_scratch): Correct case labels.
3729
3730 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3731
3732         PR middle-end/17036
3733         * fold-const.c (fold): Check for integer operand when
3734         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
3735         Pinski  <pinskia@physics.uc.edu>.
3736
3737 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3738
3739         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
3740         No need to check if in a cross configuration.
3741         * configure: Regenerate.
3742
3743         * calls.c (precompute_register_parameters):
3744         Inline preserve_subexpressions_p ().
3745         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
3746         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
3747         Likewise.
3748         * expr.c (get_subtarget): Likewise.
3749         * rtl.h (preserve_subexpressions_p): Remove.
3750         * stmt.c (preserve_subexpressions_p): Remove.
3751
3752         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
3753         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
3754         Abort on gimplified cases.
3755
3756 2004-08-16  James E Wilson  <wilson@specifixinc.com>
3757
3758         * tree.h (VECTOR_FLOAT_TYPE_P): New.
3759         (FLOAT_TYPE_P): Use it.
3760         * c-typeck.c (build_binary_op): After convert calls, check for
3761         check for ERROR_MARK operands.
3762
3763 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
3764
3765         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
3766         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
3767         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
3768         (genobjs static pattern rule): Remove %.c dependency.
3769         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
3770         Rename rules; delete commands; fix dependencies.
3771         (mostlyclean): Do not delete temporary source copies.
3772         * configure.ac: Delete all references to BUILD_PREFIX and
3773         BUILD_PREFIX_1.
3774         * configure: Regenerate.
3775
3776         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
3777         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
3778         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
3779         with #ifndef GENERATOR_FILE so that nothing from those headers
3780         is used.
3781
3782         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
3783
3784 2004-08-16  Adam Nemet  <anemet@lnxw.com>
3785
3786         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
3787
3788 2004-08-16  Andrew Pinski  <apinski@apple.com>
3789
3790         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
3791         extraneous semicolon.
3792
3793 2004-08-16  Devang Patel  <dpatel@apple.com>
3794
3795         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
3796         * print-tree.c (print_node): Print DECL_PRESERVE_P.
3797         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
3798         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
3799         * target.h (struct gcc_target): New member, mark_decl_preserved.
3800         * hooks.c (hook_void_charptr): Rename to ...
3801         (hook_void_constcharptr): ... new name.
3802         * hooks.h (hook_void_charptr): Rename to ..
3803         (hook_void_constcharptr): ... new name.
3804         * tree.h (DECL_PRESERVE_P): New #define.
3805         (struct tree_decl): New member, preserve_flag.
3806         * varasm.c (assemble_start_function): Mark decl preserved.
3807         (assemble_variable): Same.
3808         * darwin.c (darwin_mark_decl_preserved): New function.
3809         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
3810         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
3811         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
3812
3813 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
3814
3815         * c-decl.c (grokdeclarator): Allow for function definition where
3816         innermost declarator has attributes.
3817
3818 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
3819
3820         * except.c (get_exception_filter, build_post_landing_pads,
3821         dw2_build_landing_pads): Use target-specific mode for 'filter'.
3822         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
3823         * target.h (eh_return_filter_mode): New field added.
3824         * targhooks.c (default_eh_return_filter_mode): Defined.
3825         * targhooks.h (default_eh_return_filter_mode): Declared.
3826         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
3827
3828 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
3829
3830         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
3831         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
3832         * configure: Regenerate.
3833
3834 2004-08-16  Stan Shebs  <shebs@apple.com>
3835
3836         Basic support for 64-bit Darwin.
3837         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3838         (machopic_legitimize_pic_address): Similarly, plus use Pmode
3839         instead of SImode.
3840         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
3841         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
3842         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
3843         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
3844         (PROCESSOR_DEFAULT64): Define.
3845         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
3846         Darwin.
3847         * config/rs6000/rs6000.md: Include darwin.md.
3848         (builtin_setjmp_receiver): Add DImode case.
3849         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
3850         Darwin.
3851         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
3852         (rs6000_emit_move): Add DImode case to Darwin bits.
3853         (machopic_output_stub): Use .quad if 64-bit.
3854         * invoke.texi: Document -m32 and -m64.
3855
3856 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
3857
3858         * doc/extend.texi (AltiVec builtins): Document additional differences
3859         from the Motorola AltiVec PIM.
3860
3861 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
3862
3863         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
3864         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
3865         (struct tree_common): Update public_flag documentation.
3866
3867 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
3868
3869         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3870         Check for artificial variables, not is_gimple_tmp_var.
3871         * tree-ssa-live.c (var_union): Likewise.
3872
3873 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
3874
3875         * calls.c (load_register_parameters): Remove spurious FIXME token.
3876
3877 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
3878
3879         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
3880         (c-lang.o): Depend on c-objc-common.h.
3881         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
3882         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
3883         * c-lang.c: Include c-objc-common.h.
3884         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
3885         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
3886         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
3887         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
3888         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
3889         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
3890         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
3891         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
3892         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
3893         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
3894         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
3895         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
3896         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
3897         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
3898         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
3899         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3900         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
3901         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3902         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
3903         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
3904         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
3905         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
3906         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
3907         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
3908         Move to c-objc-common.h.
3909         * c-objc-common.c: Include c-objc-common.h.
3910         * c-objc-common.h: New file.
3911
3912 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
3913             Andrew Pinski  <pinskia@physics.uc.edu>
3914
3915         PR target/14931
3916         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
3917         style.
3918
3919 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
3920
3921         * tree.h (build_int_cst): New.
3922         (build_int_2): Remove.
3923         * tree.c (build_int_2): Remove.
3924         (build_int_cst): New.
3925         (make_vector_type, build_common_tree_nodes,
3926         build_common_tree_nodes_2): Use build_int_cst.
3927         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
3928         expand_builtin_strpbrk, expand_builtin_fputs,
3929         build_string_literal, expand_builtin_printf,
3930         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
3931         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
3932         fold_builtin_isdigit, simplify_builtin_strstr,
3933         simplify_builtin_strpbrk, fold_builtin_fputs,
3934         simplify_builtin_sprintf): Use build_int_cst.
3935         * c-common.c (start_fname_decls, fix_string_type,
3936         c_common_nodes_and_builtins, c_init_attributes,
3937         shorten_compare): Likewise.
3938         * c-decl.c (complete_array_type,
3939         check_bitfield_type_and_width): Likewise.
3940         * c-lex.c (interpret_integer, lex_charconst): Likewise.
3941         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
3942         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3943         * c-typeck.c (really_start_incremental_init, push_init_level,
3944         set_nonincremental_init_from_string): Likewise.
3945         * calls.c (load_register_parameters): Likewise.
3946         * convert.c (convert_to_pointer): Likewise.
3947         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
3948         build_fn_info_type, build_ctr_info_value, build_gcov_info):
3949         Likewise.
3950         * except.c (init_eh, assign_filter_values, assign_filter_values):
3951         Likewise.
3952         * expmed.c (store_fixed_bit_field, extract_bit_field,
3953         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
3954         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
3955         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
3956         * expr.c (convert_move, emit_group_load, emit_group_store,
3957         expand_assignment, store_constructor, store_field,
3958         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
3959         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
3960         invert_truthvalue, optimize_bit_field_compare,
3961         decode_field_reference, all_ones_mask_p, constant_boolean_node,
3962         fold_div_compare, fold, fold_read_from_constant_string,
3963         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3964         * function.c (assign_parm_setup_block): Likewise.
3965         * stmt.c (shift_return_value, expand_end_case_type,
3966         estimate_case_costs): Likewise.
3967         * stor-layout.c (layout_type, initialize_sizetypes,
3968         set_min_and_max_values_for_integral_type): Likewise.
3969         * tree-chrec.c (chrec_fold_multiply_poly_poly,
3970         reset_evolution_in_loop): Likewise.
3971         * tree-chrec.h (build_polynomial_chrec): Likewise.
3972         * tree-complex.c (build_replicated_const): Likewise.
3973         * tree-eh.c (honor_protect_cleanup_actions,
3974         lower_try_finally_onedest, lower_try_finally_copy,
3975         lower_try_finally_switch): Likewise.
3976         * tree-mudflap.c (mf_build_string, mx_register_decls,
3977         mudflap_register_call, mudflap_enqueue_constant): Likewise.
3978         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
3979         * tree-pretty-print.c (dump_generic_node): Likewise.
3980         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
3981         Likewise.
3982         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3983         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3984         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
3985         Likewise.
3986
3987         * config/alpha/alpha.c (alpha_initialize_trampoline,
3988         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
3989         * config/arm/arm.c (arm_get_cookie_size): Likewise.
3990         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3991         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3992         * config/i860/i860.c (i860_va_start): Likewise.
3993         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
3994         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
3995         mips_gimplify_va_arg_expr): Likewise.
3996         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3997         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
3998         add_compiler_branch_island): Likewise.
3999         * config/s390/s390.c (s390_va_start): Likewise.
4000         * config/sh/sh.c (sh_va_start): Likewise.
4001         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
4002         Likewise.
4003         * config/xtensa/xtensa.c (xtensa_va_start,
4004         xtensa_gimplify_va_arg_expr): Likewise.
4005
4006         * objc/objc-act.c (build_objc_string_object,
4007         build_objc_symtab_template, init_def_list, init_objc_symtab,
4008         init_module_descriptor, generate_static_references,
4009         build_selector_translation_table, get_proto_encoding,
4010         build_typed_selector_reference, build_selector_reference,
4011         build_next_objc_exception_stuff,
4012         build_method_prototype_list_template, generate_descriptor_table,
4013         generate_protocols, build_protocol_initializer,
4014         build_ivar_list_template, build_method_list_template,
4015         build_ivar_list_initializer, generate_ivars_list,
4016         generate_dispatch_table, generate_protocol_list,
4017         build_category_initializer, build_shared_structure_initializer,
4018         generate_shared_structures, handle_impent,
4019         generate_objc_image_info): Use build_int_cst.
4020
4021 2004-08-15  Ben Elliston  <bje@au.ibm.com>
4022
4023         * vec.h: Comment improvements.
4024
4025 2004-08-14  Roger Sayle  <roger@eyesopen.com>
4026
4027         * c-common.c (shorten_compare, pointer_int_sum,
4028         c_common_truthvalue_conversion, boolean_increment): Replace calls
4029         to build with calls to buildN.
4030         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
4031         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
4032         gimplify_switch_stmt): Likewise.
4033         * c-typeck.c (default_function_array_conversion,
4034         build_component_ref, build_array_ref, build_function_call,
4035         pointer_diff, build_unary_op, build_conditional_expr,
4036         build_compound_expr, build_modify_expr, c_finish_goto_label,
4037         c_finish_goto_ptr, c_finish_return, c_finish_loop,
4038         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
4039         build_binary_op): Likewise.
4040
4041 2004-08-15  Steven Bosscher  <stevenb@suse.de>
4042
4043         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
4044
4045 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4046
4047         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
4048         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
4049         * fixinc/fixincl.x: Rebuilt.
4050
4051 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
4052
4053         * config/mips/mips-protos.h (mips_symbolic_constant_p)
4054         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
4055         (mips_small_data_pattern_p): Declare.
4056         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
4057         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
4058         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
4059         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
4060         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
4061         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
4062         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
4063         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
4064         (pc_or_label_operand, call_insn_operand, move_operand)
4065         (consttable_operand, symbolic_operand, general_symbolic_operand)
4066         (global_got_operand, local_got_operand, stack_operand)
4067         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
4068         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
4069         (mips_small_data_pattern_p): Replace previous small_data_pattern
4070         predicate.  Turn into a bool () (rtx) function.
4071         * config/mips/predicates.md: New file.
4072         * config/mips/mips.md: Include it.  Use the target-independent
4073         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
4074         trap_comparison_operator and equality_op to equality_operator.
4075         Replace uses of small_int with the equivalent const_arith_operand.
4076         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
4077         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
4078         to fcc_reload_operand.
4079         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
4080
4081 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4082
4083         PR libstdc++/17005 partial fix.
4084         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
4085         except when generating ANSI/C89 code.
4086
4087 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
4088
4089         * c-common.c (shorten_compare): Use force_fit_type directly.
4090
4091 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
4092             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
4093             Dave Korn  <dk@artimi.com>
4094
4095         * doc/install.texi (Building): Avoid duplicate reference to GNU
4096         make requirement.
4097         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
4098
4099 2004-08-14  Richard Henderson  <rth@redhat.com>
4100
4101         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
4102         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
4103
4104 2004-08-13  Richard Henderson  <rth@redhat.com>
4105
4106         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
4107         for constant_call_address_operand.
4108         (call_value_pop_1, call_value_1): Likewise.
4109         (sibcall_value_1, call_value_1_rex64): Likewise.
4110
4111 2004-08-13  James E Wilson  <wilson@specifixinc.com>
4112
4113         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
4114         Correct mode from SFmode to DFmode.
4115
4116 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
4117
4118         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
4119         __cstring_object and __image_info sections with the no_dead_strip
4120         attribute.
4121
4122 2004-08-13  Roger Sayle  <roger@eyesopen.com>
4123             David Billinghurst  <David.Billinghurst@riotinto.com>
4124
4125         PR libgfortran/15930
4126         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
4127         * fixinc/fixincl.x: Regenerate.
4128         * fixinc/tests/base/internal/math_core.h: New file.
4129
4130 2004-08-13  Richard Henderson  <rth@redhat.com>
4131
4132         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
4133         (dbxout_function_end): Remove ifdefs for it.
4134         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
4135
4136 2004-08-13  Richard Henderson  <rth@redhat.com>
4137
4138         * Makefile.in (insn-preds.o): Depend on TREE_H.
4139         * genpreds.c (write_insn_preds_c): Include tree.h.
4140         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
4141         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
4142         const48_operand, and_operand, or_operand, mode_width_operand,
4143         mode_mask_operand, mul8_operand, const0_operand,
4144         hard_fp_register_operand, hard_int_register_operand,
4145         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
4146         samegp_function_operand, direct_call_operand, small_symbolic_operand,
4147         global_symbolic_operand, call_operand, symbolic_operand,
4148         dtp16_symbolic_operand, dtp32_symbolic_operand,
4149         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
4150         gottp_symbolic_operand, alpha_comparison_operator,
4151         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
4152         signed_comparison_operator, alpha_fp_comparison_operator,
4153         divmod_operator, fix_operator, aligned_memory_operand,
4154         unaligned_memory_operand, reg_or_unaligned_mem_operand,
4155         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
4156         reg_no_subreg_operand, addition_operation): Move to predicates.md.
4157         (reg_or_const_int_operand): Remove.  Replace all users with
4158         reg_or_cint_operand.
4159         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
4160         (resolve_reload_operand): Split out of aligned_memory_operand.
4161         * config/alpha/alpha-protos.h: Update for exports.
4162         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
4163         * config/alpha/alpha.md: Include predicates.md.
4164         * config/alpha/predicates.md: New file.
4165
4166 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
4167
4168         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
4169         fields with a pointer to the instruction definition.
4170         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
4171         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
4172         (write_attr_case, write_const_num_delay_slots): Update accordingly.
4173         (write_attr_case, write_const_num_delay_slots): Write the name of
4174         an insn next to its case statement.
4175         * genoutput.c (data): Add a filename field.
4176         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
4177         (output_insn_data): Print the location of each insn definition.
4178         * genrecog.c (write_action): Print the name of an insn above
4179         the statement that returns its code.
4180
4181 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
4182
4183         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
4184         * config/libgloss.h: Likewise.
4185         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
4186         * c4x/c4x-modes.def: Likewise.
4187         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
4188         (c4x_rptb_nop_p): Likewise.
4189         (c4x_rptb_valid_p): Likewise.
4190         (c4x_rptb_insert): Likewise.
4191         (c4x_address_conflict): Likewise.
4192         * config/c4x/c4x.md: Likewise.
4193         * config/frv/frv.md: Likewise.
4194         * config/i386/athlon.md: Likewise.
4195         * config/i386/i386.md: Likewise.
4196         * config/i386/predicates.md: Likewise.
4197         * config/ia64/ia64.c: Likewise.
4198         * config/ia64/itanium1.md: Likewise.
4199         * config/ia64/itanium2.md: Likewise.
4200         * config/iq2000/iq2000.md: Likewise.
4201         * config/mcore/mcore.c: Likewise.
4202         * config/mips/mips.c: Likewise.
4203         * config/mips/r3900.h: Likewise.
4204         * config/mips/sb1.md: Likewise.
4205         * config/pa/milli64.S: Likewise.
4206         * config/pa/pa.c: Likewise.
4207         * config/pa/pa.h: Likewise.
4208         * config/rs6000/8540.md: Likewise.
4209
4210 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
4211
4212         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
4213
4214 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
4215
4216         * sh.md (cbranch define_delay) Use cond_delay_slot for
4217         non-anulled condition too.
4218
4219 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4220
4221         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
4222         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
4223         any_parallel_operand, lmw_operation, stmw_operation,
4224         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
4225         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
4226         any_parallel_operand.
4227         (return_and_restore_fpregs_{si,di}): Same.
4228
4229 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4230
4231         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
4232         if pred->singleton != PARALLEL, issue a warning and pretend it was.
4233         Also issue a warning for any predicate we don't know about.
4234
4235 2004-08-12  Richard Henderson  <rth@redhat.com>
4236
4237         * config/i386/i386.c (internal_label_prefix): Export.
4238         (internal_label_prefix_len, struct ix86_address,
4239         ix86_decompose_address, maybe_get_pool_constant,
4240         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
4241         memory_address_length): Export.
4242         (any_fp_register_operand, fp_register_operand,
4243         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
4244         x86_64_general_operand, x86_64_szext_general_operand,
4245         x86_64_nonmemory_operand, x86_64_movabs_operand,
4246         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
4247         x86_64_zext_immediate_operand, const_int_1_31_operand,
4248         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
4249         tls_symbolic_operand, global_dynamic_symbolic_operand,
4250         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
4251         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
4252         constant_call_address_operand, const0_operand, const1_operand,
4253         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
4254         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
4255         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
4256         general_no_elim_operand, nonmemory_no_elim_operand,
4257         index_register_operand, q_regs_operand, flags_reg_operand,
4258         non_q_regs_operand, zero_extended_scalar_load_operand,
4259         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
4260         ix86_comparison_operator, ix86_carry_flag_operator,
4261         fcmov_comparison_operator, promotable_binary_operator,
4262         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
4263         mult_operator, div_operator, arith_or_logical_operator,
4264         memory_displacement_operand, cmpsi_operand, long_memory_operand,
4265         aligned_operand): Move to predicates.md as define_predicates.
4266         (tls_symbolic_operand_1): Remove.
4267         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
4268         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
4269         (legitimize_address): Merge tls_symbolic_operand contents.
4270         (ix86_expand_move): Likewise.
4271         * config/i386/i386-protos.h: Update for exports.
4272         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
4273         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
4274         * config/i386/i386.md: Include predicates.md.
4275         * config/i386/predicates.md: New file.
4276
4277 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
4278
4279         PR c++/16924
4280         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
4281         SYMBOL_REF_DECL.
4282         (i386_pe_mark_dllimport): Likewise.
4283         (i386_pe_encode_section_info): Likewise, when overriding
4284         dllimport attribute.
4285
4286 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
4287
4288         * configure.ac: When testing for flex, nm, ar, and bison, check
4289         that they will actually be built.
4290         * configure: Regenerate.
4291
4292 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
4293
4294         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
4295         (MOVE_MAX_PIECES): Define.
4296
4297 2004-08-12  Devang patel  <dpatel@apple.com>
4298
4299         * dbxout.c (dbxout_begin_prologue): New function.
4300         (dbx_debug_hooks): Use new begin prologue hook.
4301         (dbxout_function_end): Emit N_ENSYM.
4302         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
4303
4304 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
4305
4306         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
4307         argument is float*.
4308
4309         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
4310         for vec_dss.
4311
4312         * doc/extend.texi (AltiVec builtins): Fix description for recent
4313         changes.  Update operation list to match current support.
4314
4315 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4316
4317         * config/s390/s390.c (struct s390_frame_layout): New struct as element
4318         of struct machine_function.
4319         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
4320         changed all uses.
4321         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
4322         changed all uses.
4323         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
4324         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
4325         (s390_frame_area, s390_register_info): New functions.
4326         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
4327         for base register.
4328         (s390_return_addr_rtx, s390_return_address_offset)
4329         (s390_va_start, s390_gimplify_va_arg)
4330         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
4331         layouts.
4332         (s390_frame_info): Functionality partly moved to s390_register_info.
4333         Made adaptions for new stack layout.
4334         (save_gprs, restore_gprs): Changed meaning of second parameter and
4335         adapted all callers.
4336
4337         * config/s390/s390.h (s390_backchain_string): New global variable.
4338         (MASK_BACKCHAIN): Removed definition.
4339         (TARGET_BACKCHAIN): Changed check.
4340         (TARGET_KERNEL_BACKCHAIN): New macro.
4341         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
4342         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
4343         "kernel-backchain".
4344         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
4345
4346         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
4347         as condition.  Adjusted for new stack layout.
4348
4349         * doc/invoke.texi: Added documentation for new option
4350         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
4351         "-mno-backchain".
4352
4353 2004-08-12  Paul Brook  <paul@codesourcery.com>
4354
4355         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
4356         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
4357
4358 2004-08-12  David Daney  <ddaney@avtrex.com>
4359
4360         * java/gcj.texi:  Add subsection on signal usage.
4361
4362 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4363
4364         * expr.c (move_by_pieces): Set alignment for move to minimum of
4365         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
4366         alignment, but not less than the original alignment.
4367         (move_by_pieces_ninsns): Same.
4368         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
4369         (store_by_pieces_1): Same.
4370
4371 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
4372
4373         PR tree-optimization/16867
4374         * tree.c (is_global_var): New function.
4375         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
4376         Call is_global_var.
4377         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
4378         Update all users.
4379         (is_global_var): Declare.
4380         * tree-dfa.c (dump_variable): Display global and addressable
4381         attributes.
4382         (add_referenced_var): Clarify documentation when marking
4383         variables call-clobbered.
4384         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
4385         instead of needs_to_live_in_memory.
4386         (mark_call_clobbered): If the variable is a tag, mark it
4387         DECL_EXTERNAL.
4388         * tree-gimple.c (is_gimple_reg): Don't check for
4389         TREE_ADDRESSABLE.
4390         (is_gimple_non_addressable): Likewise.
4391         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
4392         needs to be marked call-clobbered.
4393         (setup_pointers_and_addressables): Call is_global_var instead
4394         of needs_to_live_in_memory.
4395         * tree-ssa-dce.c (need_to_preserve_store): Remove.
4396         Update all users with is_global_var.
4397         (mark_stmt_if_obviously_necessary): Fix processing of aliased
4398         stores.  Don't check the virtual definitions.  Rather, check
4399         whether the store is going into global memory.
4400         (find_obviously_necessary_stmts): Get the symbol from the PHI
4401         result.
4402         * tree-ssa-operands.c (get_call_expr_operands): Do not add
4403         clobbering may-defs if the call does not have side effects.
4404
4405 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
4406
4407         PR c++/16276
4408         * output.h (default_function_rodata_section,
4409         default_no_function_rodata_section): New prototypes.
4410         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
4411         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4412         (TARGET_ASM_OUT): Add it.
4413         * varasm.c (default_function_rodata_section,
4414         default_no_function_rodata_section): New functions.
4415         * final.c (final_scan_insn): Call
4416         targetm.asm_out.function_rodata_section instead of
4417         readonly_data_section.
4418         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4419         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4420         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4421         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4422         Likewise.
4423         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4424         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4425         Likewise.
4426         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4427         Likewise.
4428         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4429         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4430         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
4431
4432 2004-08-12  Paul Brook  <paul@codesourcery.com>
4433
4434         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
4435         frame info.
4436         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
4437         DWARF2_UNWIND_INFO.
4438
4439 2004-08-12  Ben Elliston  <bje@au.ibm.com>
4440
4441         PR target/16286
4442         * config/rs6000/altivec.h: Change vector to __vector throughout.
4443         (Except for the `vector' macro itself).
4444
4445 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4446
4447         * genpreds.c: Add capability to generate predicate bodies as
4448         well as function prototypes.  Write function prototypes for
4449         the generic predicates too.
4450         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
4451         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
4452         (write_match_code, write_predicate_expr, write_one_predicate_function)
4453         (parse_option): New functions.
4454         (output_predicate_decls): Delete.
4455         (main): Read the machine description, process DEFINE_PREDICATE or
4456         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
4457         as appropriate.
4458
4459         * genrecog.c (struct decision_test): Replace index with
4460         struct pred_data pointer.
4461         (next_index): Remove, unused.
4462         (pred_table, preds, special_mode_pred_table): Delete.
4463         (compute_predicate_codes, process_define_predicate): New functions.
4464         (validate_pattern, add_to_sequence, write_switch): Update for
4465         new data structures.
4466         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4467         Check both error_count and have_error.
4468
4469         * gensupport.c (in_fname, first_predicate): New globals.
4470         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
4471         (predicate_table, last_predicate, old_pred_table)
4472         (old_special_pred_table): New statics.
4473         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
4474         (add_predicate, init_predicate_table): New functions.
4475         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4476         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
4477         it or max_include_len.  Call init_predicate_table.
4478         (read_rtx): Run the predicate queue after the attribute queue
4479         but before all the others.
4480         * gensupport.h (in_fname, struct pred_data, first_predicate)
4481         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
4482         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
4483         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
4484         * dummy-conditions.c: Don't include bconfig.h, system.h,
4485         coretypes.h, tm.h, or system.h.  Do include stddef.h.
4486         Duplicate declaration of struct c_test from gensupport.h.
4487
4488         * Makefile.in (OBJS-common): Add insn-preds.o.
4489         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
4490         (insn-preds.c, insn-preds.o): New rules.
4491         (s-preds): Also generate insn-preds.c.
4492         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
4493         Update dependencies.
4494         (print-rtl.o, print-rtl1.o): Correct dependencies.
4495
4496         * recog.h: Delete prototypes of predicate functions.
4497
4498         * doc/md.texi (Predicates): New section with complete
4499         documentation of operand/operator predicates.  Remove some
4500         incomplete documentation of predicates from other places.
4501         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
4502         PREDICATE_CODES; indicate that both are deprecated in favor
4503         of define_predicate/define_special_predicate.
4504
4505         * config/ia64/ia64.c: All predicate function definitions moved
4506         to ia64.md, except
4507         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
4508         (ia64_expand_load_address, ia64_expand_move):
4509         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
4510
4511         * config/ia64/ia64.md: All predicates now defined here.
4512         (symbolic_operand): Is now a special predicate.
4513
4514         * config/ia64/ia64.h: Declare ia64_section_threshold.
4515         (PREDICATE_CODES): Delete.
4516
4517 2004-08-12  Richard Henderson  <rth@redhat.com>
4518
4519         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
4520         * c-semantics.c (add_stmt): Set it.
4521         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
4522         before instantiating a variable sized type.
4523
4524 2004-08-12  Richard Henderson  <rth@redhat.com>
4525
4526         * stor-layout.c (round_up, round_down): Move ...
4527         * fold-const.c (round_up, round_down): ... here.  Use
4528         multiple_of_p to avoid any arithmetic at all.
4529
4530 2004-08-12  Richard Henderson  <rth@redhat.com>
4531
4532         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
4533         (gimplify_init_ctor_preeval_1): New.
4534         (gimplify_init_ctor_preeval): New.
4535         (gimplify_init_ctor_eval): New.
4536         (gimplify_init_constructor): Use them.  Always gimplify the LHS
4537         object first.
4538
4539 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
4540
4541         (This patch is part of merge of objc-improvements-branch
4542         into mainline.)
4543
4544         * doc/frontends.texi: Mention Objective-C++ in addition to
4545         Objective-C.
4546         * doc/install.texi: Add 'obj-c++' to list of configurable
4547         languages.
4548         * doc/invoke.texi: Rename Objective-C option headings to
4549         indicate they also apply to Objective-C++.  List file
4550         extensions for Objective-C++ sources.  Mention that
4551         ObjC and ObjC++ compilations may also use C and C++ options,
4552         respectively.  Point users to doc/standards.texi for
4553         further info on ObjC and ObjC++.
4554         * doc/sourcebuild.texi: Mention the objcp/ directory and
4555         the Objective-C++ sources it contains.
4556         * doc/standards.texi: Update link to Apple ObjC site;
4557         add link to gcc readings.html WWW doc.
4558
4559 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
4560
4561         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
4562         and 2004-07-14 changes.
4563
4564 2004-08-12  Paul Brook  <paul@codesourcery.com>
4565
4566         * doc/invoke.texi: Fix typo.
4567
4568 2004-08-11 Devang Patel  <dpatel@apple.com>
4569
4570         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
4571         and -no_dead_strip_inits_and_terms.
4572         (LINK_SPEC): Same.
4573         * doc/invoke.texi (Darwin Options): Document -dead_strip and
4574         -no_dead_strip_inits_and_terms.
4575
4576 2004-08-11  Paul Brook  <paul@codesourcery.com>
4577
4578         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
4579         (arm_load_pic_register): ... to this.
4580         * config/arm/arm.c (arm_finalize_pic): Rename ...
4581         (arm_load_pic_register): ... to this.  Always output insns at the
4582         current location.  Load via low reg in thumb mode.
4583         (arm_expand_prologue): Call arm_load_pic_register.
4584         (thumb_expand_prologue): Ditto.
4585         * config/arm/arm.h (FINALIZE_PIC): Remove.
4586         * config/arm/arm.md (builtin_setjmp_receiver): Call
4587         arm_load_pic_register.
4588
4589 2004-08-11  Paul Brook  <paul@codesourcery.com>
4590
4591         * arm.c (thumb_force_lr_save): Add prototype.
4592         (thumb_compute_save_reg_mask): New function.
4593         (thumb_find_work_register): New function.
4594         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
4595         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
4596         Don't clobber r3 when removing pretend args.
4597         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
4598         (thumb_output_function_prologue): Use new functions.
4599         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
4600         * arm.h (THUMB_REG_PUSHED_P): Remove.
4601
4602 2004-08-11  James E Wilson  <wilson@specifixinc.com>
4603
4604         PR rtl-optimization/16490
4605         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
4606         global_live_at_end for new basic block if already set for other blocks.
4607
4608 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
4609
4610         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
4611
4612         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
4613         (mfcr rlwinm rlwinm patterns): Set length to 12.
4614
4615 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
4616
4617         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
4618         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
4619         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
4620         (start_ssa_stmt_operands): Delete.
4621         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
4622         struct stmt_operands_d.
4623         (build_ssa_operands): New extern entry point.
4624         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
4625         building code, replace with create_ssa_artficial_load_stmt().
4626         * tree-ssa-operands.c (struct voperands_d): Delete.
4627         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
4628         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
4629         (free_uses, free_defs, free_vuses, free_v_may_defs,
4630         free_v_must_defs): Remove dealloc parameter.
4631         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
4632         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
4633         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
4634         vector comparisons, ssa_name reuse, and allocations here.
4635         (verify_start_operands): Delete.
4636         (finalize_ssa_stmt_operands): Set new operands by calling finalize
4637         routines.
4638         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
4639         (append_def, append_usei): Simplify to simple accumulation.
4640         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
4641         duplicates and simple accumulation.
4642         (free_ssa_operands): Free vectors in a stmt_operand structure.
4643         (build_ssa_operands): New. Create a new stmt_operand structure from
4644         a stmt and an old set of stmt_operands.
4645         (get_stmt_operands): Simplify and call build_ssa_operands.
4646         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
4647         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
4648         add_call_read_ops): Don't pass prev_vops around anymore.
4649         (note_addressable): Return if no stmt annotation.
4650         (copy_virtual_operands): Access v_may_def operands through a struct.
4651         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
4652         hash tables without treating the stmt as a real stmt.
4653         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
4654         v_may_def def and use through a struct instead of 2 array elements.
4655         (struct v_may_def_optype_d): Use v_may_def_operand_type.
4656         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
4657
4658 2004-08-11  Nick Clifton  <nickc@redhat.com>
4659
4660         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
4661         this funciton's behaviour.  Return true when the current function
4662         has a section attribute and -mlong-calls is in effect.
4663         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
4664         short-call marker when -mlong-calls is in effect and the function
4665         has a section attribute.
4666
4667 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
4668
4669         * stmt.c (expand_return): If asked to return the RESULT_DECL,
4670         just call expand_value_return on result_rtl.
4671
4672 2004-08-10  Richard Henderson  <rth@redhat.com>
4673
4674         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
4675         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
4676         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
4677         (add_location_or_const_value_attribute): ... not here.  Use
4678         loc_descriptor_from_tree if possible.
4679         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
4680         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
4681         values specially.
4682         (loc_descriptor_from_tree): New.  Update callers.
4683         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
4684         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
4685         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
4686         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
4687         and BUILT_IN_STACK_RESTORE.
4688         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
4689         * stmt.c (expand_stack_alloc): Remove.
4690         * tree-mudflap.c (mx_register_decls): Don't look for
4691         BUILT_IN_STACK_ALLOC.
4692         * tree-nested.c (convert_local_reference): Likewise.
4693         * tree.h (DECL_VALUE_EXPR): New.
4694
4695 2004-08-10  Richard Henderson  <rth@redhat.com>
4696
4697         * stor-layout.c (round_up): Check for 0/1 before dividing.
4698         (round_down): Likewise.
4699
4700         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
4701
4702 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
4703
4704         * config.gcc (arm*-*-eabi*): New target.
4705         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
4706         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4707         * expmed.c (expand_divmod): Try a two-valued divmod function as a
4708         last resort.
4709         * gthr.h: Remove bogus tokens at end of #pragma.
4710         * optabs.c (expand_twoval_binop_libfunc): New function.
4711         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
4712         (prepare_float_lib_cmp): Try reversing the condition.
4713         (debug_optab_libfuncs): New function.
4714         * optabs.h (expand_twoval_binop_libfunc): Declare.
4715         * config/arm/arm.c (arm_init_libfuncs): New function.
4716         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
4717         (TARGET_INIT_LIBFUNCS): Define it.
4718         * config/arm/arm.h (TARGET_BPABI): New macro.
4719         * config/arm/arm-protos.h
4720         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
4721         * config/arm/bpabi.S: New file.
4722         * config/arm/bpabi.c: Likewise.
4723         * config/arm/bpabi.h: Likewise.
4724         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
4725         (__aeabi_drsub): Likewise.
4726         (__aeabi_dsub): Likewise.
4727         (__aeabi_dadd): Likewise.
4728         (__aeabi_ui2d): Likewise.
4729         (__aeabi_i2d): Likewise.
4730         (__aeabi_f2d): Likewise.
4731         (__aeabi_dmul): Likewise.
4732         (__aeabi_ddiv): Likewise.
4733         (__aeabi_cdrcmple): Likewise.
4734         (__aeabi_cdcmpeq): Likewise.
4735         (__aeabi_cdcmple): Likewise.
4736         (__aeabi_dcmpeq): Likewise.
4737         (__aeabi_dcmplt): Likewise.
4738         (__aeabi_dcmple): Likewise.
4739         (__aeabi_dcmpge): Likewise.
4740         (__aeabi_dcmpgt): Likewise.
4741         (__aeabi_dcmpun): Likewise.
4742         (__aeabi_d2iz): Likewise.
4743         (__aeabi_d2uiz): Likewise.
4744         (__aeabi_d2f): Likewise.
4745         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
4746         (__aeabi_frsub): Likewise.
4747         (__aeabi_fsub): Likewise.
4748         (__aeabi_fadd): Likewise.
4749         (__aeabi_ui2f): Likewise.
4750         (__aeabi_i2f): Likewise.
4751         (__aeabi_fmul): Likewise.
4752         (__aeabi_fdiv): Likewise.
4753         (__aeabi_cfrcmple): Likewise.
4754         (__aeabi_cfcmpeq): Likewise.
4755         (__aeabi_cfcmple): Likewise.
4756         (__aeabi_fcmpeq): Likewise.
4757         (__aeabi_fcmplt): Likewise.
4758         (__aeabi_fcmple): Likewise.
4759         (__aeabi_fcmpge): Likewise.
4760         (__aeabi_fcmpgt): Likewise.
4761         (__aeabi_fcmpun): Likewise.
4762         (__aeabi_f2iz): Likewise.
4763         (__aeabi_f2uiz): Likewise.
4764         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
4765         (__aeabi_uidivmod): New function or alias.
4766         (__aeabi_idivmod): Likewise.
4767         (__aeabi_idiv0): Likewise.
4768         (__aeabi_ldiv0): Likewise.
4769         (__aeabi_llsr): Likewise.
4770         (__aeabi_lasr): Likewise.
4771         (__aeabi_llsl): Likewise.
4772         (bpabi.S): Include it.
4773         * config/arm/libgcc-bpabi.ver: New file.
4774         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
4775         (LINK_SPEC): Remove.
4776         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
4777         __aeabi_ulcmp.
4778         * config/arm/t-bpabi: New file.
4779         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
4780         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4781
4782 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
4783
4784         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
4785         * config/rs6000/rs6000.md (clrmemsi): New pattern.
4786         * config/rs6000/rs6000.c (expand_block_clear): New function.
4787         (expand_block_move): Convert alignment to bits.  Use SImode and
4788         HImode for unaligned addresses if not STRICT_ALIGNMENT.
4789
4790 2004-08-10  Caroline Tice  <ctice@apple.com>
4791
4792         * varasm.c (unlikely_section_label): New global variable.
4793         (unlikely_text_section_name): New global variable.
4794         (text_section):  Remove alignment statement.
4795         (unlikely_text_section): Remove alignment statement; use
4796         unlikely_section_label rather than hard-coded string.
4797         (assemble_start_function): Initialize unlikely_section_label and
4798         unlikely_text_section_name;  make sure cold section is properly
4799         aligned at start of function; output unlikely_section_label if
4800         appropriate.
4801
4802 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
4803
4804         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
4805         * config/s390/s390.c (s390_canonicalize_comparison): New function.
4806         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
4807         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
4808         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
4809         ("*tmqi_mem"): Remove SUBREG from pattern.
4810         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
4811         ("*andsi3_cconly"): Likewise.
4812
4813 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4814
4815         PR target/16909
4816         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
4817
4818 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
4819
4820         * doc/sourcebuild.texi (compat testing): Document available test
4821         framework commands.  Use the preferred spelling of DejaGnu.
4822
4823 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
4824
4825         * lambda.h: Add matrix type, and prototypes for remainder of
4826         matrix and vector functions.
4827         (lambda_vector_mult_const): New function.
4828         (lambda_vector_negate): Ditto.
4829         (lambda_vector_add): Ditto.
4830         (lambda_vector_add_mc): Ditto.
4831         (lambda_vector_copy): Ditto.
4832         (lambda_vector_zerop): Ditto.
4833         (lambda_vector_equal): Ditto.
4834         (lambda_vector_min_nz): Ditto.
4835         (lambda_vector_first_nz): Ditto.
4836         (lambda_vector_matrix_mult): Ditto.
4837         * lambda-mat.c: New file.
4838         * Makefile.in (lambda-mat.o): New.
4839
4840 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
4841
4842         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
4843         after linking stmt into the program.
4844         (bsi_remove): Don't call modify_stmt.
4845         * tree-complex.c (update_complex_assignment,
4846         expand_complex_comparison): Call modify_stmt after changing the stmt.
4847         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
4848         removing the stmt.
4849         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
4850         the stmt, and only if needed.
4851         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
4852         expression.
4853         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
4854         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
4855         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
4856         (eliminate_redundant_computations): Don't pass an annotation. Call
4857         modify_stmt rather than setting the annotation directly.
4858         (record_equivalences_from_stmt): Remove unused local 'j'.
4859         (cprop_operand): Take a stmt rather than an annotation as a parameter.
4860         Call modify_stmt.
4861         (cprop_into_stmt): Pass stmt rather than annotation.
4862         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
4863         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
4864         modify_stmt.
4865         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
4866
4867 2004-08-10  Jason Merrill  <jason@redhat.com>
4868
4869         PR middle-end/16948
4870         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
4871         the RESULT_DECL.
4872
4873 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
4874
4875         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
4876         hash function.
4877
4878 2004-08-10  Roger Sayle  <roger@eyesopen.com>
4879
4880         * config/mips/mips.md: New reciprocal square root patterns that
4881         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
4882
4883 2004-08-10  Paul Brook  <paul@codesourcery.com>
4884
4885         * config/arm/arm-protos.h (arm_set_return_address,
4886         thumb_set_return_address): Add prototypes.
4887         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
4888         * config/arm/arm.c (arm_compute_func_type,
4889         use_return_insn, arm_compute_save_reg0_reg12_mask,
4890         arm_compute_save_reg_mask, arm_output_function_prologue,
4891         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
4892         current_function_calls_eh_return.
4893         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
4894         old eh code.
4895         (arm_set_return_address, thumb_set_return_address): New functions.
4896         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
4897         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
4898         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
4899         (epilogue): Use the stackadj register.
4900         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
4901
4902 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
4903
4904         PR target/3144
4905         * expr.c (move_by_pieces_ninsns): Add max_size argument.
4906         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
4907         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
4908         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
4909         but using MOVE_RATIO.
4910         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
4911         (can_store_by_pieces): Change max_size type to unsigned int.
4912         (store_by_pieces_1): Likewise.  Pass max_size to
4913         move_by_pieces_ninsns.
4914         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
4915         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
4916         to move_by_pieces_ninsns.
4917         (STORE_BY_PIECES_P): Define.
4918         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
4919         to move_by_pieces_ninsns.
4920         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
4921
4922         * config/i386/i386.h (CLEAR_RATIO): Define.
4923
4924 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4925
4926         * expr.c (expand_expr_real_1): Add back code that was not dead.
4927
4928 2004-08-09  Andrew Pinski  <apinski@apple.com>
4929
4930         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
4931         which is found to be compatible before returning the aliasing set.
4932
4933 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
4934
4935         * ggc-zone.c (struct alloc_zone): Add statistics counters.
4936         (always_collect): New flag.
4937         (ggc_alloc_zone_1): Update statistics support.  Don't include
4938         overhead in allocated counter.
4939         (sweep_pages): Update allocated counter for large pages.  Don'y
4940         include overhead.
4941         (ggc_collect_1): Always collect.
4942         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
4943         whether to collect.
4944         (SCALE, LABEL): New macros.
4945         (ggc_print_statistics): Add statistics support.
4946
4947 2004-08-09  Roger Sayle  <roger@eyesopen.com>
4948
4949         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
4950         (init_expmed): Fix potential overrun problem with "all.reg".
4951         (expand_sdiv2_pow2): Add an alternate implementation for signed
4952         division, if the target provides a suitable conditional move insn.
4953
4954 2004-08-09  Paul Brook  <paul@codesourcery.com>
4955         Richard Henderson  <rth@redhat.com>
4956
4957         * unwind-dw2.c (uw_install_context_1): Update target saved stack
4958         pointer.
4959
4960 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
4961
4962         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
4963         Check DATA limit only if there's no AS limit.  Ignore insanely
4964         low DATA limits.
4965         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
4966         but take care that the AS limit isn't overrun.
4967         * doc/invoke.texi: Update documentation of min-heapsize parameter.
4968
4969 2004-08-09  Jeff Law  <law@redhat.com>
4970
4971         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
4972         (tree-ssa-threadupdate.o): Add dependencies.
4973         * tree-ssa-threadupdate.c: New file.
4974         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
4975         (rewrite_vars_out_of_ssa): Remove prototype.
4976         (cleanup_tree_cfg): Returns a bool.
4977         * tree.h (thread_through_all_blocks): Prototype.
4978         * tree-outof-ssa.c  (SSANORM_*): Move into here.
4979         (remove_ssa_form): Now static.
4980         (rewrite_vars_out_of_ssa): Kill.
4981         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
4982         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
4983         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
4984         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
4985         anything was changed.
4986         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
4987         from the PHI's annotation rather than the edge associated with
4988         the new argument.
4989         * tree-ssa-dom.c (redirection_edges): Kill.
4990         (redirect_edges_and_update_ssa_graph): Kill.
4991         (tree_ssa_dominator_optimize): Do not reset forwardable flag
4992         for blocks anymore.  Do not initialize redirection_edges.
4993         Call thread_through_all_blocks.  Simplify code for cleanup
4994         of the CFG and iterating.  No longer call cleanup_tree_cfg
4995         outside the iteration loop.
4996         (thread_across_edge): No longer mess with forwardable blocks.
4997
4998 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
4999
5000         * explow.c (memory_address): Use memory_address_p.
5001         * recog.c (general_operand): Likewise.
5002         * regrename.c: No need to define REG_OK_STRICT.
5003
5004 2004-08-09  Steven Bosscher  <stevenb@suse.de>
5005
5006         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
5007         New timers.
5008         * gcse.c: Include timevar.h.
5009         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
5010         and global_copy_prop_count.
5011         (local_const_prop_count, local_copy_prop_count): New static globals.
5012         (gcse_main): Set the right timevar for each pass.
5013         (cprop_jump): Increment global_const_prop_count when a constant is
5014         propagated.  Add "GLOBAL" to dump output.
5015         (cprop_insn): Increment global_const_prop_count when a constant is
5016         propagated, or global_copy_prop_count when a copy is propagated.
5017         (do_local_cprop): Likewise for local_const_prop_count and
5018         local_copy_prop_count.
5019         (one_cprop_pass): Initialize const/cprop counters to zero.
5020         Print out results of local and global const/cprop separately.
5021         (bypass_block): Break over-length line.
5022         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
5023         for bb-reorder.o and tracer.o.
5024
5025 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5026
5027         * Makefile.in (GTFILES): Remove stmt.c
5028         (stmt.o): Do not depend on gt-stmt.h.
5029         * emit-rtl.c (emit_line_note): Do not call
5030         set_file_and_line_for_stmt.
5031         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
5032         do everything.
5033         * function.c (free_after_parsing): Do not free STMT field.
5034         (allocate_struct_function): Do not call init_stmt_for_function.
5035         (assign_stack_temp_for_type): Do not accept values of keep
5036         other than 0 or 1.
5037         (init_temp_slots): Do not initialize removed variables.
5038         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
5039         and X_VAR_TEMP_SLOT_LEVEL fields.
5040         * rtl.h (set_file_and_line_for_stmt): Remove.
5041         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
5042         struct stmt_status, cond_stack, case_stack, nesting_stack,
5043         nesting_depth, emit_locus, set_file_and_line_for_stmt,
5044         same_case_target_p, init_stmt_for_function, emit_nop,
5045         expand_start_cond, expand_start_elseif, expand_start_else,
5046         expand_elseif, expand_end_cond): Remove.
5047         (preserve_subexpressions_p): Remove references to CFUN->STMT.
5048         (expand_start_case, expand_end_case_type): Remove, merge into...
5049         (expand_case): ... this one, including other bits from
5050         expand_expr_real_1.  Inline same_case_target_p.  Turn members
5051         of CASE_STACK into local variables.
5052         (emit_case_bit_tests): Inline same_case_target_p.
5053         (add_case_node): Add HEAD argument, return new head of the list,
5054         do not handle default label here.
5055         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
5056         expand_start_elseif, current_nesting_level, expand_start_case,
5057         expand_end_case_type, expand_end_case, add_case_node,
5058         init_stmt_for_function, expand_elseif): Remove prototypes.
5059         (expand_case): Add prototype.
5060
5061 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5062
5063         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
5064
5065 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5066
5067         * expr.c (var_rtx): Remove.
5068         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
5069         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
5070         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
5071         Abort.
5072         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
5073         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
5074         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
5075
5076 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
5077         Ayal Zaks <zaks@il.ibm.com>
5078
5079         * common.opt (freschedule-modulo-scheduled-loops): New flag.
5080         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
5081         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
5082         when -freschedule-modulo-scheduled-loops flag is not specified.
5083         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
5084         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
5085         More accurate placing of insn in row of partial schedule.
5086         (ps_insn_find_column): New function.
5087         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
5088         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
5089         (schedule_region): Use sched_is_disabled_for_current_region_p.
5090         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
5091
5092 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5093
5094         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
5095         change.
5096
5097 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5098
5099         * config/i386/i386.c (ix86_expand_clrmem): Properly call
5100         gen_strset for 64bit target.
5101
5102 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
5103
5104         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
5105
5106 2004-08-07  Jason Merrill  <jason@redhat.com>
5107
5108         Make return in memory explicit.
5109         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
5110         (assign_parm_find_data_types): Remove code for old front end
5111         invisible reference handling.
5112         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
5113         (expand_function_end): Likewise.
5114         * gimplify.c (gimplify_return_expr): Handle a dereferenced
5115         RESULT_DECL.
5116         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
5117         (declare_return_variable): Handle DECL_BY_REFERENCE.
5118         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
5119         (cp_genericize_r): Use convert_from_reference.
5120         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
5121         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
5122
5123         * c-common.c (c_warn_unused_result): Check TREE_USED before
5124         warning about a CALL_EXPR with an unused value.
5125
5126 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5127
5128         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
5129         to the compiler.  Use -fshort-wchar by default.
5130
5131 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
5132
5133         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
5134         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
5135         threshhold.
5136         * doc/invoke.texi (param): Document min-crossjump-insns.
5137
5138 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
5139
5140         PR c/13282
5141         * c.opt (Wmissing-field-initializers): New option.
5142         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
5143         * c-typeck.c (pop_init_level): Guard the missing field warning with
5144         warn_missing_field_initializers rather than extra_warnings.
5145         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
5146         some of the explanation from...
5147         (-Wextra): ...here.  Say that the missing field warning can be
5148         seperately controlled by -Wmissing-field-initializers.
5149
5150 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
5151
5152         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
5153         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
5154         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
5155         * tree.def (ENTRY_VALUE_EXPR): Remove.
5156
5157 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
5158
5159         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
5160         the places where it is actually needed.  Don't use repz; stosb
5161         for -Os with sufficiently small constant sizes.
5162         For sufficiently small repz; stos{l,q} repeat counts use a sequence
5163         of stos{l,q} instructions instead.
5164
5165 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5166
5167         PR tree-optimization/16807
5168         * loop-iv.c (dump_iv_info): Dump invariants correctly.
5169         (iv_subreg, iv_extend): Express value of invariant purely in
5170         base field.
5171
5172 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5173
5174         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
5175         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
5176
5177 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
5178
5179         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
5180         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
5181         pre_dec_operand.
5182         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
5183         pattern until reload is finished to allow better code generation
5184         and split them completely into separate instrunctions.
5185         (*andsi3_split): New pattern.
5186
5187 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
5188
5189         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
5190         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
5191         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5192         * tree.h (handle_dll_attribute): Declare.  Test
5193         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5194         * c-common.h (c_determine_visibility): Declare.
5195         * c-common.c (c_determine_visibility): New function.
5196         * c-decl.c (finish_decl): Use it.
5197         (finish_function): Likewise.
5198         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
5199         zero, by default.  Use #if, not #ifdef, to test it.
5200         * config/arm/arm.c (arm_attribute_table): Use
5201         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
5202         #if.
5203         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
5204         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5205         to 1.
5206         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
5207         * config/i386/i386.c (ix86_attribute_table): Use
5208         handle_dll_attribute for dllimport/dllexport.  Test
5209         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5210         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
5211         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5212         it to 1.
5213         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
5214         with #if.
5215         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5216         it to 1.
5217         * doc/extend.texi (dllexport): Clarify and correct documentation.
5218         (dllimport): Likewise.
5219         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
5220         handle_dll_attribute.
5221
5222 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5223
5224         * tree-ssa-loop-manip.c: New file.
5225         * Makefile.in (tree-ssa-loop-manip.o): Add.
5226         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
5227         Declare.
5228         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
5229         form.
5230         (tree_ssa_loop_done): Verify loop closed ssa form.
5231         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
5232
5233 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5234
5235         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
5236         pa_asm_output_aligned_local): New functions.
5237         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
5238         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
5239         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
5240         pa_asm_output_aligned_common.
5241         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5242         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
5243         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5244         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5245         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
5246         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5247         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5248         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
5249         common data.
5250
5251 2004-08-05  Andrew Pinski  <apinski@apple.com>
5252
5253         * objc/objc-act.c (build_objc_string_object): Mark the address
5254         expression as constant.
5255
5256 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
5257
5258         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
5259         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
5260         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
5261
5262 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5263
5264         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
5265         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
5266         out, and associated obsolete comments.
5267
5268 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
5269
5270         * tree.h (force_fit_type): Return a tree, take three flags.
5271         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
5272         TREE_CONSTANT_OVERFLOW here.
5273         (int_const_binop, const_binop): Adjust.
5274         (size_int_type): Do sign extension here.
5275         (fold_convert_const, optimize_bit_field_compare,
5276         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
5277         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
5278         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
5279
5280 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5281
5282         PR tree-optimization/16864
5283         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
5284         for ssa names without default_def.
5285
5286 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
5287
5288         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
5289         frame pointer, restore eax with an ebp-relative address.
5290
5291 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
5292
5293         PR 14516
5294         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
5295         * c-common.h (make_rtl_for_local_static): Delete.
5296         * c-decl.c (shadow_tag_warned): Clean up comment.
5297         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
5298         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
5299         * c-semantics.c (make_rtl_for_local_static): Delete.
5300         * expr.c (init_block_move_fn): Use set_user_assembler_name.
5301         (init_block_clear_fn): Likewise.
5302         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
5303         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
5304         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
5305         * tree.h (make_decl_rtl): Remove second parameter.
5306         (set_user_assembler_name): New.
5307         * varasm.c (set_user_assembler_name): New.
5308         (make_decl_rtl): Remove second parameter.  Update callers in many
5309         files.
5310
5311 2004-08-05  Adam Nemet  <anemet@lnxw.com>
5312
5313         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
5314         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
5315         to LynxOS 4.0.
5316         * gthr-lynx.h: New file.
5317         * config/lynx-ng.h: Remove file.
5318         * config/lynx.h: Update to LynxOS 4.0.
5319         * config/t-lynx: New file.
5320         * config/i386/lynx-ng.h: Remove file.
5321         * config/i386/lynx.h: Update to LynxOS 4.0.
5322         * config/rs6000/lynxbase.h: Remove file.
5323         * config/rs6000/lynx.h: Update to LynxOS 4.0.
5324         * config/rs6000/t-lynx: New file.
5325         * doc/install.texi (Options specification): Remove reference to
5326         LynxOS from systems where --with-gnu-as makes a difference.
5327
5328 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5329
5330         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
5331         __UINTMAX_TYPE__.
5332         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
5333         __INTMAX_MAX__.
5334         (c_cpp_builtins): Call it.
5335         * doc/cpp.texi: Update.
5336
5337 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
5338
5339         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
5340         cost.
5341
5342 2004-08-04  Jan Hubicka  <jh@suse.cz>
5343
5344         * basic-block.h (profile_staus): New global variable.
5345         * cfg.c (profile_status): Declare.
5346         (check_bb_profile): Break out from ....; use profile_status
5347         (dump_flow_info): ... here.
5348         * cfgbuild.c (find_basic_blocks): Set profile_status.
5349         * cfgexpand.c (tree_expand_cfg): Likewise.
5350         * predict.c (estimate_probability): Likewise.
5351         * profile.c (branch_prob): Likewise.
5352         * tree-cfg.c (build_tree_cfg): Likewise.
5353         (dump_function_to_file): Use check_bb_profile.
5354         * tree-pretty-print (dump_bb_header): Likewise.
5355         * tree-profile.c (do_tree_profiling): Cleanup.
5356
5357 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
5358
5359         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
5360         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
5361         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
5362         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
5363         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
5364         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
5365         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
5366         (ggc-none.o, errors.o): Move rule to generators section;
5367         correct dependencies.
5368         (min-insn-modes.o): Move rule to generators section; remove
5369         unnecessary explicit command; correct dependencies.
5370         (print-rtl.o, print-rtl1.o): Correct dependencies.
5371         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
5372         (mostlyclean): Update.
5373
5374         * errors.c: Include bconfig.h not config.h.  Correct comment.
5375         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
5376         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
5377         * print-rtl.c: Don't include tm_p.h.
5378
5379         * rtl.h: Move forward-decl of struct function down where it's
5380         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
5381         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
5382
5383 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5384             Jeff Law  <law@redhat.com>
5385
5386         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
5387         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
5388         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
5389         manipulate the duplicated ssa names.
5390         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
5391         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
5392         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
5393         New functions.
5394         (release_ssa_name): Do not release ssa names that may have multiple
5395         definitions.
5396         * tree.h (release_ssa_name_force, mark_for_rewrite,
5397         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
5398         marked_ssa_names): Declare.
5399         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
5400         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
5401         Update call to rewrite_ssa_into_ssa.
5402
5403 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
5404
5405         * defaults.h (TARGET_DECLSPEC): New macro.
5406         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
5407         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
5408         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
5409         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
5410         __declspec support.
5411         (TARGET_DECLSPEC): Define.
5412         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
5413         __declspec support.
5414         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
5415         __declspec support.
5416         (TARGET_DECLSPEC): Define.
5417         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
5418         __declspec support.
5419         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
5420         support.
5421         * doc/tm.texi (TARGET_DECLSPEC): Document.
5422
5423         * doc/extend.texi: Fix typo in comment.
5424
5425 2004-08-04  Paul Brook  <paul@codesourcery.com>
5426
5427         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5428         (TARGET_CXX): Use it.
5429         * target.h (struct gcc_target): Add cdtor_returns_this.
5430         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
5431         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5432         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
5433
5434 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
5435
5436         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
5437         low/high pair. Do range checking directly.
5438         (interpret_integer): Adjust.
5439
5440 2004-08-04  Nick Clifton  <nickc@redhat.com>
5441
5442         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
5443         GCC ABI.
5444         * doc/invoke.texi: Document this new switch and also the -mrenesas
5445         switch.
5446
5447 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
5448
5449         * cfglayout.c (insn_locators_initialize): Update the current
5450         location before initializing a location.
5451
5452 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5453
5454         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
5455         (dbxout_function_end): Return after emitting the "Lscope" symbol
5456         under the same conditions that this function formerly wasn't called.
5457         Add explanatory comments.
5458
5459         PR 14860
5460         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
5461         on the new decl.
5462
5463         PR 13956
5464         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
5465         functions, broken out of dbxout_block.
5466         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
5467         stabs too, if it contains symbols.  Use the begin_label and
5468         the Lscope label (emitted by dbxout_function_end) for the
5469         range of this block.
5470
5471 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
5472
5473         * doc/install.texi: Update autoconf version requirements.
5474
5475 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5476
5477         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
5478         * recog.c (general_operand, immediate_operand, nonmemory_operand)
5479         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
5480         * regclass.c (record_reg_classes): Likewise.
5481         * reload.c (find_reloads): Likewise.
5482         * reload1.c (reload): Likewise.
5483
5484 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5485
5486         * gensupport.c (init_md_reader_args_cb): Renamed from
5487         init_md_reader_args.  Add third option, callback function for
5488         parsing program-specific options.  Add diagnosis of incorrect
5489         number of input files.
5490         (init_md_reader): Fold into init_md_reader_args_cb.
5491         (init_md_reader_args): Now a thin wrapper around
5492         init_md_reader_args_cb.
5493         * gensupport.h: Update prototypes.
5494
5495         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5496         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5497         * genrecog.c: No need to diagnose lack of an input file;
5498         init_md_reader_args will handle it.
5499         * genconditions.c: Likewise, and use init_md_reader_args.
5500         * genconstants.c: Likewise, and no need to call read_md_rtx.
5501
5502 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5503
5504         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
5505         declarations.
5506
5507 2004-08-03  Mike Stump  <mrs@apple.com>
5508
5509         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
5510         for frameworks.
5511         * doc/invoke.texi (Darwin Options): Update to reflect above.
5512
5513 2004-08-03  Roger Sayle  <roger@eyesopen.com>
5514
5515         PR middle-end/16790
5516         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
5517         truncations, not just global truncations.
5518
5519 2004-08-03  Andrew Pinski  <apinski@apple.com>
5520
5521         PR bootstrap/16865
5522         * loop-iv.c (simplify_using_assignment): Initialize lhs.
5523
5524 2004-08-03  Paul Brook  <paul@codesourcery.com>
5525
5526         * gcc/doc/install.texi: Document MPFR requirement.
5527
5528 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
5529
5530         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
5531         and mmap() explicitly instead of relying on preset autoconf cache
5532         variables.
5533         * configure: Regenerate.
5534
5535 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5536
5537         PR target/16570
5538         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
5539         to tmake_file.
5540         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
5541         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
5542         to tmake_file.
5543
5544         * config/i386/t-gmm_malloc: New file.
5545         * config/i386/t-pmm_malloc: Likewise.
5546
5547         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
5548
5549 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5550             Tanguy FautrÃ  <tfautre@pandora.be>
5551
5552         * config/i386/pmm_malloc.h: New file.
5553
5554 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
5555
5556         * config/i386/gmm_malloc.h: New file.
5557
5558 2004-08-03  Dale Johannesen  <dalej@apple.com>
5559
5560         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
5561         * c-common.c: Include opts.h.
5562         (c_common_get_alias_set): Fix check for a single input file.
5563         * toplev.c: Remove current_file_decl.
5564         * tree.h: Ditto.
5565
5566 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
5567
5568         * config.gcc (arm*-*-symbianelf*): New target.
5569         * config/arm/symbian.h: New file.
5570
5571         * gthr-gnat.c: Add visibility #pragmas.
5572         * gthr-gnat.h : Likewise.
5573         * gthr.h: Likewise.
5574         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
5575         (__ffsDI2): Likewise.
5576         (__clzSI2): Likewise.
5577         (__ctzSI2): Likewise.
5578         (__ctzDI2): Likewise.
5579         (__popcountSI2): Likewise.
5580         (__popcountDI2): Likewise.
5581         (__paritySI2): Likewise.
5582         (__parityDI2): Likewise.
5583         * libgcc2.h: Add visibility #pragmas.
5584         (__clzDI2): Add prototype.
5585         (__clzSI2): Likewise.
5586         (__ctzSI2): Likewise.
5587         (__ffsDI2): Likewise.
5588         (__ffsSI2): Likewise.
5589         (__ctzDI2): Likewise.
5590         (__popcountSI2): Likewise.
5591         (__popcountDI2): Likewise.
5592         (__paritySI2): Likewise.
5593         (__parityDI2): Likewise.
5594         * unwind-dw2-fde.h: Add visibility #pragmas.
5595         * unwind.h: Likewise.
5596
5597 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
5598             Dale Johannesen  <dalej@apple.com>
5599             Roger Sayle  <roger@eyesopen.com>
5600
5601         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
5602         constants more accurately.  Adjust costs for FMA instructions.
5603         Add cases for most logical and float operations.  Recurse into
5604         most operands.
5605
5606 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5607
5608         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
5609
5610 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
5611
5612         * ra-build.c (conflicts_between_webs): For webs that cross a call add
5613         conflicts to regs_invalidated_by_call.
5614
5615 2004-08-03  Paul Brook  <paul@codesourcery.com>
5616
5617         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
5618
5619 2004-08-03  Jan Hubicka  <jh@suse.cz>
5620
5621         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
5622         ARRAY_REF argument.
5623
5624 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5625
5626         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
5627         arm968es, arm10e, arm1020e, arm1022e.
5628         * invoke.texi: Update list of ARM cores.
5629         * arm-tune.md: Regenerate.
5630
5631 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
5632
5633         * arm/gentune.sh: New file.
5634         * arm/t-arm: New file.
5635         * arm/arm-tune.md: New file (autogenerated).
5636         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
5637         * arm.md (attribute tune): Delete.  Include arm-tune.md.
5638
5639 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
5640
5641         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
5642         penultimate parameter.  All callers adjusted.
5643         (struct prefix_list): Remove used_flag_ptr.
5644         (find_a_file): Do not set *pl->used_flag_ptr.
5645         (warn_B, warn_std_ptr): Remove.
5646
5647 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
5648             Mostafa Hagog <mustafa@il.ibm.com>
5649
5650         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
5651
5652 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
5653
5654         * dwarf2out.c (output_call_frame_info): Don't change data format
5655         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
5656         label.  Use 'true' not '1'.
5657         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
5658         required.
5659
5660 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
5661
5662         * gdbinit.in: Reflect previous changes to rtunion_def.
5663
5664 2004-08-02  Roger Sayle  <roger@eyesopen.com>
5665
5666         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
5667         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
5668
5669 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5670
5671         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
5672         vec_p_reserve.
5673         * langhooks.h (lang_hooks::builtin_function): Rename parameter
5674         from "class" to "bt_class".
5675
5676 2004-08-02  Paul Brook  <paul@codesourcery.com>
5677
5678         PR rtl-optimization/15068
5679         * flow.c (init_propagate_block_info): Check condition is reversible.
5680
5681 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5682
5683         * gengtype.h (options::info): Change type to const char *.
5684         (enum gc_used_enum): Move out of struct type scope.
5685         * gengtype.c (create_option): Convert initializer for option::info to
5686         appropiate type.
5687         (adjust_field_type, walk_type, write_func_for_structure,
5688         write_root, write_roots): Remove pointless cast.
5689
5690 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
5691
5692         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
5693
5694 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5695
5696         * rtl.h (union rtunion_def): Have all members  start with the
5697         prefix "rt_".
5698         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
5699         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
5700         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
5701         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
5702         access.
5703         * gengtype.c (adjust_field_rtx_def): Likewise.
5704         * rtlanal.c (loc_mentioned_in_p): Likewise.
5705
5706 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
5707
5708         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
5709         Replace uses of mips/elf64.h with mips/elf.h
5710         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
5711         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
5712         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
5713         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
5714         (HANDLE_SYSV_PRAGMA): Delete.
5715         (ASM_OUTPUT_DEF): Fix formatting.
5716         * config/mips/elf64.h: Delete.
5717
5718 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
5719
5720         * config/ia64/ia64.c (got_symbolic_operand): Do require a
5721         symbol+offset operand to have its offset be zero mod 0x3fff
5722         when GOT entries are in use.  Clarify logic in SYMBOL_REF
5723         case.  Clarify comments.
5724         (ia64_expand_load_address): Split a symbol+offset load when
5725         the offset is nonzero mod 0x3fff, not 0x1fff.
5726
5727 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
5728
5729         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
5730         if trying to *store* to a non-offsettable address.
5731         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
5732         a nonoffsettable address.
5733         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
5734         Clean up.
5735         (movti_string): Don't move GPRs to a nonoffsettable address.
5736         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
5737
5738 2004-08-02  Ben Elliston  <bje@au.ibm.com>
5739
5740         PR target/16155
5741         * config/rs6000/altivec.h: Replace typeof with __typeof__.
5742
5743 2004-08-01  Richard Henderson  <rth@redhat.com>
5744
5745         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
5746         variable sized types.
5747
5748 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5749
5750         * doc/invoke.texi: In the MIPS options section, remove the passage
5751         saying that -mexplicit-relocs is usually disabled for -mabicalls
5752         -fno-unit-at-a-time.
5753         * config/mips/mips.c (override_options): Remove the code that enforced
5754         this rule.
5755
5756 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5757
5758         * config/mips/mips.md (cprestore): Provide two alternatives, one for
5759         an in-range offset and one for an out-of-range offset.  Wrap the latter
5760         in .set macro/.set nomacro if it's inside a .set nomacro block.
5761
5762 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5763
5764         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
5765         (mips_restore_gp): Declare.
5766         * config/mips/mips.c (mips_add_offset): Add a scratch register
5767         argument.  Reimplement in rtl only, reusing MIPS16 logic from
5768         mips_output_mi_thunk.
5769         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
5770         to mips_add_offset.
5771         (mips_gp_save_slot): Delete.
5772         (mips_restore_gp): New function.
5773         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
5774         * config/mips/mips.md (exception_receiver): Turn into a
5775         define_insn_and_split.  Use mips_restore_gp to do the split.
5776         (call_internal, call_value_internal, call_value_multiple_internal): Use
5777         mips_restore_gp to restore $gp.
5778
5779 2004-07-31  Andrew Pinski  <apinski@apple.com>
5780
5781         PR other/16842
5782         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
5783
5784 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
5785
5786         * c-decl.c (diagnose_mismatched_decls): Give error for external
5787         redeclaration of identifier declared with no linkage, not just
5788         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
5789         error for redeclaration with no linkage.
5790
5791 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
5792             Fariborz Jahanian <fjahanian@apple.com>
5793
5794         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
5795         non-offsettable addresses even for DImode.
5796         (rs6000_split_multireg_move): Cope with non-offsettable addresses
5797         being moved into multiple GPRs.
5798
5799         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
5800         to 64.
5801         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
5802         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
5803         to 128.
5804         * config/rs6000/darwin-ldouble.c (isless): New macro.
5805         (inf): New macro.
5806         (nonfinite): New macro.
5807         (FPKINF): Delete.
5808         (_xlqadd): Completely rewrite.
5809         (_xlqmul): Correct overflow handling.
5810         (_xlqdiv): Correct overflow handling.
5811         * config/rs6000/darwin-ldouble-format: New file.
5812
5813 2004-07-30  Roger Sayle  <roger@eyesopen.com>
5814             Richard Henderson  <rth@redhat.com>
5815
5816         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
5817         9 into the equivalent lea instruction.
5818
5819 2004-07-30  Richard Henderson  <rth@redhat.com>
5820
5821         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
5822         with DECL_INITIAL if fb_lvalue.
5823         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
5824         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
5825         with <Cxxx>.
5826         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
5827
5828 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
5829
5830         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
5831         pointer escapes through a function call, assume that the
5832         callee will dereference it.
5833         (add_pointed_to_var): Assume that VALUE is always an
5834         ADDR_EXPR.
5835         (collect_points_to_info_r): Only call add_pointed_to_var if
5836         the value is an ADDR_EXPR.
5837
5838 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
5839
5840         * tree-ssa-alias.c (create_alias_map_for): Do not get the
5841         alias set of the inner type of ARRAY_TYPEs.
5842
5843 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5844
5845         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
5846         setting a non-register to UNDEFINED right before the call to
5847         set_lattice_value.
5848
5849 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5850
5851         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
5852
5853 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5854
5855         * tree-ssa.c (verify_flow_sensitive_alias_info): When
5856         comparing points-to sets of different pointers, make sure the
5857         second pointer is actually referenced in the code.
5858
5859 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
5860
5861         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
5862         (got_symbolic_operand): Remove unreachable code.
5863         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
5864         setjmp_operand; add entry for tls_symbolic_operand.
5865         * config/ia64/ia64-protos.h: Remove all prototypes of
5866         predicate functions.
5867
5868 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
5869
5870         * c-common.h (lang_post_pch_load): New variable.
5871         * c-pch.c (lang_post_pch_load): Define it.
5872         (c_common_read_pch): Use it.
5873         * cgraphunit.c (record_call_1): Give the front end a chance to
5874         record additional needed entities when a variable is marked as
5875         needed.
5876         * tlink.c (recompile_files): Robustify.
5877         (scan_linker_output): If a symbol is assigned to a file,
5878         but after recompilation is not present there, issue an error
5879         message.
5880
5881 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5882
5883         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
5884         Take orig_loop argument and pass it to set_level.
5885         (schedule_sm): Pass the correct orig_loop to force_move_till.
5886
5887 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5888
5889         * cfgloop.c (update_latch_info): Update dominator of the new block.
5890         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
5891         info.
5892         * dominance.c (verify_dominators): Check that the dominance tree is
5893         connected.
5894         (recount_dominator): Ignore unreachable blocks.
5895         (iterate_fix_dominators): Cleanup old dominance information before
5896         recomputing it.
5897
5898 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5899
5900         * tree-ssa-operands.c (get_expr_operands): Revert changes
5901         to ADDR_EXPR processing introduced by:
5902             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5903             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
5904
5905 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
5906
5907         * doc/implement-c.texi: Add C90 subclause references.  Point to
5908         preprocessor documentation instead of duplicating it.  Add points
5909         only present in C90.  Fill in documentation for all points.
5910
5911 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5912
5913         * pa.c (output_movb): Correct typo.
5914
5915 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
5916
5917         * ra.h (single_reg_in_regclass): Declare.
5918         * ra.c (single_reg_in_regclass): Define.
5919         (first_hard_reg): New.
5920         (init_ra): Initialize single_reg_in_regclass.
5921         * ra-colorize.c (ok_class): New.
5922         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
5923
5924 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
5925
5926         * gcov-io.h: Allow zero tag as EOF indicator.
5927         (gcov_is_eof): Remove.
5928         (gcov_truncate): Remove.
5929         * gcov-io.c (gcov_seek): Always SEEK_SET.
5930         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
5931         EOF tag.
5932         * coverage.c (read_counts_file): Don't use gcov_is_eof.
5933         * gcov-dump.c (dump_file): Likewise.
5934         * gcov.c (read_graph_file, read_count_file): Likewise.
5935
5936         * c-decl.c (complete_array_type): Don't gratuitously copy
5937         maxindex.  Check it always has a type.
5938
5939 2004-07-29  Steven Bosscher  <stevenb@suse.de>
5940
5941         * rtl.c (currently_expanding_to_rtl): New.
5942         * rtl.h (currently_expanding_to_rtl): Export it.
5943         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
5944
5945         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
5946         inliner hack.
5947         * config/sh/sh.c: Replace rtx_equal_function_value_matters
5948         with currently_expanding_to_rtl.
5949         * config/sh/sh.md: Likewise.
5950         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
5951
5952 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
5953
5954         Introduce sh2a support.
5955         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
5956         * config.gcc: Build multilibs for sh2a and sh2a-single by
5957         default.
5958         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
5959         default.  Split their tests out of the corresponding SH4
5960         multilibs.
5961         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
5962         multilibs for SH2a.
5963         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5964         * config.gcc: Handle sh2a multilibs and cpu selection.
5965         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
5966         * config/sh/t-mlib-sh2a: New.
5967         * config/sh/t-mlib-sh2a-nofpu: New.
5968         * config/sh/t-mlib-sh2a-single: New.
5969         * config/sh/t-mlib-sh2a-single-only: New.
5970         2004-07-09  Nick Clifton  <nickc@redhat.com>
5971         Issue 43400
5972         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
5973         -ml and -m2a are used together.
5974         2004-03-23  DJ Delorie  <dj@redhat.com>
5975         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
5976         when we have a double-sized FPU.
5977         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5978         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
5979         is set.
5980         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
5981         -msh2a-single and -msh2a-single-only
5982         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5983         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
5984         is set.
5985         2004-02-20  DJ Delorie  <dj@delorie.com>
5986         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
5987         2004-02-20  Fred Fish <fnf@redhat.com>,
5988         Corinna Vinschen <vinschen@redhat.com>
5989         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
5990         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
5991         2004-02-18  DJ Delorie  <dj@redhat.com>
5992         * config/sh/sh.c (broken_move): Add support for movi20.
5993         * config/sh/sh.h: Likewise.
5994         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
5995         * config/sh/sh.md (udivsi3_sh2a): New.
5996         (udivsi3): Call it.
5997         (divsi3_sh2a): New.
5998         (divsi3): Call it.
5999         (mul_r): New.
6000         (ashlsi3_sh2a): New.
6001         (ashrsi3_sh2a): New.
6002         (lshrsi3_sh2a): New.
6003         (movsi_i): Disable for sh2a.
6004         (movsi_ie): Add movi20.
6005         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
6006         sh2a, for -m2a-nofpu mode.
6007         2004-02-13  DJ Delorie  <dj@redhat.com>
6008         * config/sh/lib1funcs.asm: Handle double vs single better.
6009         * config/sh/sh.h: Likewise.
6010         2004-02-09  DJ Delorie  <dj@redhat.com>
6011         * config/sh/crt1.asm: Add support for sh2a.
6012         * config/sh/elf.h: Likewise.
6013         * config/sh/lib1funcs.asm: Likewise.
6014         * config/sh/sh.c: Likewise.
6015         * config/sh/sh.md: Likewise.
6016         * config/sh/sh.h: Likewise.
6017         * config/sh/t-sh: Likewise.
6018
6019 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6020
6021         * config/frv/frv.md (movqi_internal, movhi_internal,
6022         movsi_internal): Add backup alternatives for memory inputs.
6023
6024 2004-07-28  Matt Austern  <austern@apple.com>
6025
6026         * config/darwin.c (darwin_one_byte_bool): New global variable.
6027         * config/darwin.h (darwin_one_byte_bool): Declare.
6028         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
6029         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
6030         value of darwin_one_byte_bool.
6031         * doc/invoke.texi: Document -mone-byte-bool flag.
6032
6033 2004-07-28  Eric Christopher  <echristo@redhat.com>
6034
6035         * c-common.c (c_common_unsafe_for_reeval): Delete.
6036         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
6037         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6038         * calls.c (fix_unsafe_tree): Delete.
6039         (expand_call): Delete code which used above.
6040         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
6041         * expr.c (expand_expr_real_1): Ditto.
6042         * fold-const.c (non_lvalue): Ditto.
6043         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6044         (lhd_unsafe_for_reeval): Ditto.
6045         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
6046         * langhooks.h (unsafe_for_reeval): Ditto.
6047         (unsave_expr_now): Adjust comment.
6048         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
6049         (estimate_num_insns_1): Ditto.
6050         * tree-pretty-print.c (dump_generic_node): Ditto.
6051         * tree.c (expr_align): Ditto.
6052         (unsave_expr): Delete.
6053         (unsafe_for_reeval): Ditto.
6054         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
6055         * tree.def (UNSAVE_EXPR): Delete.
6056         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6057
6058 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
6059
6060         * tree.h (enum tls_model): Move ...
6061         * coretypes.h: ... here.
6062
6063 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
6064
6065         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
6066
6067 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6068
6069         * cse.c (validate_canon_reg): New function, split out from...
6070         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
6071
6072 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6073
6074         * tree-ssa-alias.c (maybe_create_global_var): Don't just
6075         return if .GLOBAL_VAR has been created.
6076
6077 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6078
6079         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
6080         every variable that may have aliases, not just tags.
6081
6082 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
6083
6084         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
6085         move_from_CR_eq_bit.
6086         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
6087
6088
6089         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
6090         e500_flip_eq_bit.
6091
6092         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
6093         output_e500_flip_eq_bit.
6094
6095         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
6096         output_e500_flip_eq_bit.
6097         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
6098         output_e500_flip_eq_bit.
6099         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
6100         (print_operand): case D.  Get to EQ bit.
6101
6102 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6103
6104         * gcov.c (function_summary): Add missing \n.
6105
6106 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6107
6108         Introduce sh4a support.
6109         * config.gcc: Handle sh4a multilibs and cpu selection.
6110         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
6111         * config/sh/t-mlib-sh4a: New.
6112         * config/sh/t-mlib-sh4al: New.
6113         * config/sh/t-mlib-sh4a-nofpu: New.
6114         * config/sh/t-mlib-sh4a-single: New.
6115         * config/sh/t-mlib-sh4a-single-only: New.
6116         2004-02-20  DJ Delorie  <dj@redhat.com>
6117         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
6118         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
6119         2003-08-22  Eric Christopher  <echristo@redhat.com>
6120         * config/sh/sh4a.md: Update for chip errata.
6121         2003-08-07  Eric Christopher  <echristo@redhat.com>
6122         * config/sh/sh4a.md: New file. sh4a processor description.
6123         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
6124         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
6125         of -m4a-nofpu.
6126         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
6127         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
6128         * doc/invoke.texi (SH Options): Document -m4al.
6129         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
6130         * config/sh/sh.c (expand_block_move): Remove commented-out code
6131         checked in by mistake.
6132         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
6133         single elements from SFmode vectors.
6134         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
6135         register.
6136         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
6137         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
6138         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
6139         sh_fsca_int2sf): Remove variable declarations.
6140         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6141         sh_fsca_int2sf): New functions.
6142         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
6143         sh_fsca_int2sf_rtx): New static variables.
6144         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
6145         sh_fsca_int2sf): Declare.
6146         * config/sh/sh.md: Adjust.
6147         * doc/invoke.texi (SH Options): Document new options.
6148         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
6149         compatibility from SH4 code.
6150         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
6151         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
6152         early.
6153         (memory_movsrc_operand): Renamed to...
6154         (unaligned_load_operand): ... this.  Simplified.
6155         * config/sh/sh.h (PREDICATE_CODES): Adjust.
6156         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
6157         input operand to SImode, and adjust the others.  Introduce
6158         post-increment by peephole.
6159         * config/sh/sh.c (expand_block_move): Give the target address the
6160         same mode as the temp reg.
6161         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
6162         copying.
6163         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
6164         Introduce support for SH4a.
6165         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
6166         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
6167         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6168         sh_fsca_int2sf): New.
6169         (sh_init_builtins): Initialize them.
6170         (print_operand): Support `d'.
6171         (expand_block_move): Use movua if src is misaligned.
6172         (memory_movsrc_operand): New.
6173         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
6174         and one of the SH4 macros.
6175         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
6176         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
6177         SELECT_SH4A_SINGLE): New.
6178         (TARGET_NONE): Add SH4A_BIT.
6179         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
6180         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
6181         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
6182         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
6183         (enum processor_type): Added PROCESSOR_SH4A.
6184         (PREDICATE_CODES): Add memory_movsrc_operand.
6185         * config/sh/sh.md: Removed unused variables.
6186         (attr cpu): Add sh4a.
6187         (attr type): Add movua, fsrra and fsca.
6188         (prefetch): New, for SH4.
6189         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
6190         (toggle_sz): Set type to fp.
6191         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
6192         (movua, extv, extzv): New.
6193         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
6194         and 4a-single-only.
6195
6196 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6197
6198         * tree-optimize.c (init_tree_optimization_passes): Schedule
6199         pass_may_alias right after the program is renamed into SSA.
6200         * tree-pass.h (PROP_alias): Define.
6201         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
6202         * tree-sra.c (pass_sra): Likewise.
6203         * tree-ssa-ccp.c (pass_ccp): Likewise.
6204         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
6205         * tree-ssa-dce.c (pass_dce): Likewise.
6206         * tree-ssa-dom.c (pass_dominator): Likewise.
6207         * tree-ssa-dse.c (pass_dse): Likewise.
6208         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6209         * tree-ssa-loop-ch.c (pass_ch): Likewise.
6210         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6211         * tree-ssa-pre.c (pass_pre): Likewise.
6212         * tree-tailcall.c (pass_tail_recursion): Likewise.
6213         * tree-ssa.c (pass_redundant_phi): Likewise.
6214         * tree-ssa-alias.c (aliases_computed_p): Remove.
6215         Update all users.
6216         (init_alias_info): Do not mark all type tags for renaming
6217         unconditionally.
6218         Clear may_aliases from every symbol.
6219         (setup_pointers_and_addressables): If a pointer has not been
6220         dereferenced and it had a type tag, clear it and mark the old
6221         tag for renaming.
6222
6223 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6224
6225         PR tree-optimization/16705
6226         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
6227         .GLOBAL_VAR.
6228
6229 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6230
6231         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
6232         check.
6233
6234         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
6235         don't make another one.
6236
6237         PR optimization/15077
6238         * function.h (struct function): Add field saved_static_chain_decl.
6239         Fix comment for static_chain_decl.
6240         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
6241         * tree-inline.h (save_body): Add new arg.
6242         * tree-optimize.c (tree_rest_of_compilation): Handle saving
6243         static_chain_decl.
6244
6245 2004-07-27  Richard Henderson  <rth@redhat.com>
6246
6247         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
6248         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
6249         is_gimple_addressable.
6250         * tree-gimple.c (is_gimple_addressable): Rename from
6251         is_gimple_addr_expr_arg; accept INDIRECT_REF.
6252         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
6253         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
6254         rename to is_gimple_addressable.
6255
6256 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
6257
6258         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
6259
6260 2004-07-27  Richard Henderson  <rth@redhat.com>
6261
6262         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
6263         before rounding.
6264
6265 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
6266
6267         * libgcc2.c: Change all conditionals testing
6268         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
6269         * libgcc2.h: Likewise.
6270         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
6271         TYPE_PRECISION of float80_type to 80.
6272         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
6273         of fpreg_type and float80_type to 80.
6274         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
6275         * config/m68k/netbsd-elf.h:
6276         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
6277         to evaluate to 80 whenever they would formerly have evaluated to 96.
6278         * config/i386/sco5.h: Remove unnecessary redefinition of
6279         LONG_DOUBLE_TYPE_SIZE.
6280         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
6281         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
6282         XFmode, with a bitsize of 80.  Update commentary.
6283         * config/ia64/ia64-modes.def: Likewise.
6284         * config/m68k/m68k-modes.def: Likewise.
6285
6286 2004-07-27  Steven Bosscher  <stevenb@suse.de>
6287
6288         * cfgexpand.c (tree_expand_cfg): Fix comment.
6289
6290         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
6291         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
6292         Remove.
6293         (prepare_function_start): Don't set rtx_equal_function_value_matters.
6294         * integrate.c (copy_rtx_and_substitute): Don't test for it.
6295         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
6296         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
6297         here again.  Update leading comment.
6298         * rtl.c (rtx_equal_function_value_matters): Remove.
6299         (rtx_equal_p): Don't test for it.
6300         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
6301         Likewise.
6302
6303         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
6304         * rtl.c (note_insn_name): Likewise.
6305         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
6306         * final.c (final_scan_insn): Likewise.
6307
6308         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
6309         * passes.c (rest_of_handle_eh): Do it here.
6310
6311         * stmt.c (struct nesting): Remove struct nesting block member.
6312         (struct stmt_status): Remove x_block_start_count field.
6313         (current_block_start_count): Remove.
6314
6315 2004-07-27  Brian Booth  <bbooth@redhat.com>
6316
6317         * tree-optimize.c (register_one_dump_file): Update condition that uses
6318         static_pass_number.
6319         (dup_pass_1): Replace with...
6320         (next_pass_1): This.
6321         (NEXT_PASS): Call next_pass_1.
6322         (DUP_PASS): Remove.
6323         (init_tree_optimization_passes): Remove uses of DUP_PASS.
6324         (execute_one_pass): Update condition that uses
6325         static_pass_number.
6326         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
6327         integer.
6328
6329 2004-07-27  Nick Clifton  <nickc@redhat.com>
6330
6331         * config/m32r/m32r.c: Include integrate.h in order to get the
6332         prototype for get_hard_reg_initial_val().
6333
6334         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
6335         and tidy up indentation.
6336         (final_presence_set): Use absence_set instead, so that if there is
6337         nothing in the "o" pipe the "s" pipe can be scheduled.
6338
6339 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
6340
6341         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
6342         don't have PT_VARS nor PT_MALLOC set.
6343         Clear name tag from pointers that have not been dereferenced.
6344         (set_pt_anything, set_pt_malloc): Forward declare.
6345         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
6346         not type compatibility when determining if a pointer can be
6347         copy propagated.
6348
6349 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
6350
6351         * expr.h (canonicalize_condition, get_condition): Add an int argument.
6352         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
6353         it to check whether the condition is still valid at the jump insn.
6354         * ifcvt.c (noce_get_condition): Likewise.
6355         (noce_get_alt_condition): Update call to canonicalize_condition.
6356         * loop-iv.c (simplify_using_initial_values): Update call to
6357         get_condition.  Remove FIXME.
6358         (check_simple_exit): Update call to get_condition.
6359         * loop-unswitch.c (may_unswitch_on): Likewise.
6360         * loop.c (check_dbra_loop): Likewise.
6361         (canonicalize_condition, get_condition): Add an argument to say whether
6362         the condition must still be valid at INSN.
6363         (get_condition_for_loop): Update call to get_condition.  Require that
6364         the condition be valid at INSN.
6365         * predict.c (estimate_probability): Update call to get_condition.
6366         Remove unused earliest parameter.
6367         (expected_value_to_br_prob): Update call to canonicalize_condition.
6368
6369 2004-07-26  Eric Christopher  <echristo@redhat.com>
6370
6371         * tree-dfa.c (add_referenced_var): Register initializers of global
6372         variables.
6373
6374 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
6375
6376         * config/i386/i386.c (function_arg): Always treat 8-
6377         and 16-byte wide vectors the same, even if MMX/SSE
6378         are disabled.
6379         (contains_128bit_aligned_vector_p): Add comment.
6380
6381 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
6382
6383         * ra.h (enum node_type): Rename to:
6384         (enum ra_node_type).
6385         * ra-colorize.c: Likewise.
6386
6387 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6388
6389         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
6390         after simplifying the jump.
6391
6392 2004-06-26  Richard Henderson  <rth@redhat.com>
6393
6394         * calls.c (combine_pending_stack_adjustment_and_call): Make
6395         preferred_unit_stack_boundary argument unsigned.  Make
6396         unadjusted_alignment unsigned.
6397         (expand_call): Make preferred_stack_boundary and
6398         preferred_unit_stack_boundary variables unsigned.
6399         * function.c (assign_stack_local_1): Make alignment unsigned.
6400         * function.h (struct function): Make stack_alignment_needed,
6401         preferred_stack_boundary unsigned.
6402         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
6403         (ix86_compute_frame_layout): Make stack_alignment_needed,
6404         preferred_alignment variables unsigned.
6405         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
6406
6407 2004-07-26  Tom Tromey  <tromey@redhat.com>
6408
6409         * tree.h: Fix typo in comment.
6410
6411 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
6412
6413         PR bootstrap/12804
6414         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
6415         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
6416         (ggc_free): Remove incorrect freeing.
6417         (sweep_pages): Advance PP for large pages.  Fix indentation.
6418
6419 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6420
6421         PR rtl-optimization/16643
6422         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
6423         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
6424         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
6425         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
6426         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
6427         * function.c (thread_prologue_and_epilogue_insns): Likewise.
6428         * rtl.h (tracer): Add a flags parameter.
6429         * tracer.c (tracer): Pass it to cfg_layout_initialise.
6430         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
6431         (rest_of_handle_reorder_blocks): Update calls to tracer and
6432         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
6433         (rest_of_handle_tracer): Pass 0 to tracer.
6434         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
6435
6436 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
6437
6438         PR target/16239
6439         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
6440         f->f.
6441
6442 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
6443
6444         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
6445         (BINFO_BASE_ACCESS): Adjust.
6446         (BINFO_BASE_ACCESS_APPEND): New.
6447         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
6448         * dbxout.c (dbxout_type): Adjust binfo access accessing.
6449         * dwarf2out.c (gen_member_die): Likewise.
6450         * tree-dump.c (deque_and_dump): Likewise.
6451
6452 2004-07-26  Falk Hueffner  <falk@debian.org>
6453
6454         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
6455         costs.
6456
6457 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6458
6459         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
6460         value off of the stack if TARGET_USE_FFREEP.
6461
6462 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6463
6464         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
6465         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
6466         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
6467         check on invocation of XRESIZEVEC ().
6468
6469 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6470
6471         * c-common.c (disable_builtin_function): Rename variable n to
6472         new_disabled_builtin.
6473         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
6474         Rename local variable old to old_decl.
6475         * gensupport.c (shift_output_template): Rename parameter old to src.
6476         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
6477         old_rtx and newx to new_rtx.
6478
6479 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6480
6481         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
6482         of c-pragma.h.
6483         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
6484         enum cpp_ttype.
6485         * c-lex.c: Likewise.
6486
6487 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6488
6489         * fold-const.c (constant_boolean_node): Make extern.
6490         (make_range): Wrap long lines.
6491         (fold_cond_expr_with_comparison): Remove unnecessary call to
6492         pedantic_non_lvalue.  Add missing calls to fold_convert.
6493         (fold_truthop): Add missing calls to fold_convert.
6494         (fold): Likewise.
6495         * tree.h (constant_boolean_node): Add prototype here.
6496         * builtins.c (expand_builtin_strncmp): Add missing calls to
6497         fold_convert.
6498         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
6499         Call fold_convert and constant_boolean_node to correct types.
6500         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
6501         missing call to fold_convert to correct types.
6502
6503 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
6504             Brian Ryner  <bryner@brianryner.com>
6505
6506         PR c++/9283
6507         PR c++/15000
6508         * c-common.c (c_common_attribute_table): Allow
6509         handle_visibility_attribute to be called for types.
6510         (handle_visibility_attribute) When given a type, set the visibility
6511         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
6512         so that we can check later whether the attribute was present. Added
6513         warning if attribute applied to non class type.
6514         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
6515         decls and checking that they are consistent.
6516         * common.opt: Added -fvisibility.
6517         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
6518         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
6519         * flags.h, tree.h: Added assorted support defines for overall patch
6520         * opts.c: Added parsing support for -fvisibility.
6521         * tree.c (build_decl): Set visibility for all decls to be whatever
6522         is in force at that time.
6523         * varasm.c (default_binds_local_p_1): Reworked logic determining
6524         when to make a symbol locally bound.
6525         * doc/invoke.texi: Added documentation for -fvisibility and
6526         -fvisibility-inlines-hidden.
6527
6528 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6529
6530         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
6531         * c-common.c: Add missing casts from void * to other types.
6532         * c-decl.c: Likewise.
6533         * c-format.c: Likewise.
6534         * c-lex.c: Likewise.
6535         * c-pragma.c: Likewise.
6536         * c-typeck.c: Likewise.
6537         * defaults.h: Likewise.
6538         * genconstants.c: Likewise.
6539         * gengtype-lex.l: Likewise.
6540         * genmodes.c: Likewise.
6541         * read-rtl.c: Likewise.
6542         * rtl.c: Likewise.
6543
6544 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6545
6546         * bitmap.c: Use type-safe memory allocation macros from libiberty.
6547         * c-common.c: Likewise.
6548         * c-decl.c: Likewise.
6549         * c-lang.c: Likewise.
6550         * c-lex.c: Likewise.
6551         * c-opts.c: Likewise.
6552         * c-parse.in: Likewise.
6553         * c-typeck.c: Likewise.
6554         * genconditions.c: Likewise.
6555         * gengtype-lex.l: Likewise.
6556         * gengtype-yacc.y: Likewise.
6557         * gengtype.c: Likewise.
6558         * genmodes.c: Likewise.
6559         * gensupport.c: Likewise.
6560         * read-rtl.c: Likewise.
6561         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
6562         htab_find_slot().
6563
6564 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6565
6566         * c-decl.c (groktypename, groktypename_in_param_context): Rename
6567         variable typename to type_name.
6568         * c-lex.c (interpret_float): Likewise.
6569
6570 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6571
6572         * convert.c (convert_to_real, convert_to_integer,
6573         convert_to_complex): Replace calls to build with calls to buildN.
6574         * coverage.c (tree_coverage_counter_ref): Likewise.
6575         * dojump.c (do_jump): Likewise.
6576         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6577         * emit-rtl.c (component_ref_for_mem_expr,
6578         set_mem_attributes_minus_bitpos): Likewise.
6579         * explow.c (update_nonlocal_goto_save_area): Likewise.
6580         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
6581         expand_mult_add): Likewise.
6582         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
6583         store_constructor, get_inner_reference, expand_expr_real_1,
6584         try_casesi, try_tablejump): Likewise.
6585         * function.c (expand_function_start): Likewise.
6586         * stmt.c (emit_case_bit_tests, expand_end_case_type,
6587         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
6588         * stor-layout.c (place_union_field, layout_type): Likewise.
6589         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
6590         * varasm.c (copy_constant): Likewise.
6591
6592 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6593
6594         * c-common.c: Rename all identifiers named `new'.
6595         * c-decl.c: Likewise.
6596         * gensupport.c: Likewise.
6597         * simplify-rtx.c: Likewise.
6598         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
6599         with XNEW().
6600         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
6601         with XNEWVEC().
6602
6603 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6604
6605         PR c/15360
6606         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
6607         declarations until after calling pushdecl.
6608         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
6609         "extern" and not on whether the declaration is initialized.
6610
6611 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6612
6613         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6614         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
6615         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
6616         "cpplib.h", "c-pragma.h", "c-common.h".
6617         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
6618         (solaris_register_pragmas): New functions.
6619         * config/sol2-protos.h: New file.
6620         * config/sol2.c: New file.
6621         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
6622         (REGISTER_TARGET_PRAGMAS): New macros.
6623         (solaris_pending_aligns, solaris_pending_inits)
6624         (solaris_pending_finis): New variables.
6625         * config/t-sol2 (sol2-c.o): Update dependencies.
6626         (sol2.o): New rule.
6627         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
6628         SUBTARGET_INSERT_ATTRIBUTES.
6629         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
6630         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6631         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6632         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6633         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6634         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6635         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6636         * config/sparc/sparc.c (sparc_attribute_table): New.
6637         (TARGET_INSERT_ATTRIBUTES): Define in terms of
6638         SUBTARGET_INSERT_ATTRIBUTES.
6639         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
6640         is defined.
6641         * doc/extend.texi (Solaris Pragmas): New section.
6642
6643 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6644
6645         * c-common.c: Rename all identifiers named `class' to `cl'.
6646         * c-common.h: Likewise.
6647         * c-parse.in: Likewise.
6648         * c-typeck.c: Likewise.
6649         * genmodes.c: Likewise.
6650         * real.c: Likewise.
6651         * real.h: Likewise.
6652         * recog.c: Likewise.
6653         * recog.h: Likewise.
6654         * regrename.c: Likewise.
6655         * tree.h: Likewise.
6656         * c-common.c (builtin_function_2): Change type of 5th parameter from
6657         int to enum built_in_function. Change type of 8th parameter from int
6658         to bool.
6659         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
6660         with GGC_CNEW().
6661         * c-typeck.c (convert_arguments): Change type of formal_prec from
6662         int to unsigned int.
6663         * genmodes.c (blank_mode): Make a few negative constants unsigned.
6664         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
6665         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
6666         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
6667         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
6668         iterator to for_all_modes () instead of an enum because enums can't
6669         be incremented in C++.
6670
6671
6672 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6673
6674         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
6675         hard registers.
6676
6677 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6678
6679         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
6680         Handle ARRAY_RANGE_REF like ARRAY_REF.
6681
6682 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6683
6684         * c-typeck.c (digest_init): Don't allow arrays of signed or
6685         unsigned variants of wchar_t to be initialized by wide string
6686         constants.  Do allow arrays of enumerated types compatible with
6687         wchar_t to be initialized by wide string constants.  Refine tests
6688         distinguishing wide and narrow strings and arrays.  Give specific
6689         error for arrays of other integer types initialized by string
6690         constants.
6691         (output_init_element, process_init_element): Check for
6692         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
6693         initializing with string constants.
6694
6695 2004-07-25  Richard Henderson  <rth@redhat.com>
6696
6697         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
6698         on the RESULT_DECL.
6699         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
6700         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
6701         DECL_IGNORED_P to new decl.
6702
6703 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
6704
6705         * config/ia64/ia64.c (general_xfmode_operand)
6706         (destination_xfmode_operand): Delete.
6707         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
6708         * config/ia64/ia64.md (*movxf_internal): Use general_operand
6709         and destination_operand.
6710
6711 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6712
6713         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
6714         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
6715
6716 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6717             Zack Weinberg  <zack@codesourcery.com
6718
6719         PR 16684
6720         * c-decl.c (diagnose_mismatched_decls): Don't issue a
6721         redundant-declaration warning the first time a builtin is
6722         declared explicitly.
6723
6724 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6725
6726         * tree.h (staticp): Change return type to bool.
6727
6728 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6729
6730         * c-common.c (c_staticp): Last episode of the staticp saga.
6731
6732 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6733
6734         * c-common.h (c_staticp): Change return type from int to bool.
6735         * tree.c (staticp): Likewise.
6736         * langhooks.h (staticp): Likewise.
6737
6738 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6739
6740         * langhooks-def.h (lhd_staticp): Change return type from int to
6741         bool in prototype to match definition.
6742
6743 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6744
6745         * system.h (bool, true, false): Don't redefine as preprocessor macros
6746         in C++.
6747
6748 2004-07-24  Roger Sayle  <roger@eyesopen.com>
6749
6750         * expmed.c (init_expmed): A signed modulus by a power of two is
6751         considered cheap if its less than or equal to four instructions.
6752
6753 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6754
6755         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
6756         GGC_CNEWVAR): New macros.
6757
6758 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6759
6760         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
6761         lists.
6762         * c-decl.c: Likewise.
6763         * c-format.c: Likewise.
6764         * c-lex.c: Likewise.
6765         * c-opts.c: Likewise.
6766         * c-pragma.c: Likewise.
6767         * c-typeck.c: Likewise.
6768         * gencheck.c: Likewise.
6769         * genconditions.c: Likewise.
6770         * genconfig.c: Likewise.
6771         * genflags.c: Likewise.
6772         * gengtype.c: Likewise.
6773         * gensupport.c: Likewise.
6774         * ggc-none.c: Likewise.
6775         * langhooks.c: Likewise.
6776         * statistics.h: Likewise.
6777         * stub-objc.c: Likewise.
6778         * java/decl.c: Likewise.
6779
6780 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
6781
6782         * config/m68k/m68k.c (output_scc_di): Fix coding style.
6783         (symbolic_operand): Fix prototype.
6784         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
6785         * config/m68k/m68k.md: Add constants for registers a0 and sp and
6786         use them, change from the "{...}" syntax to the simpler {...}
6787         syntax.
6788         (*cfv4_extendqisi2): Fix destination predicate.
6789         * config/m68k/m68k-protos.h: Remove various declarations also
6790         generated via PREDICATE_CODES.
6791
6792 2004-07-23  Mike Stump  <mrs@apple.com>
6793
6794         * c-typeck.c (convert_for_assignment): Tightened up pointer
6795         converstions that differ in signedness.
6796
6797 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
6798
6799         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
6800
6801 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6802
6803         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
6804         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
6805
6806         * gimplify.c (gimplify_compound_lval): Check for no handled
6807         operations, rather than checking for explicit list of nodes.
6808         (is_gimple_addr_expr_arg_or_indirect): New function.
6809         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
6810         redundant setting of TREE_INVARIANT.
6811         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
6812         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
6813
6814 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
6815
6816         PR tree-optimization/16688
6817         PR tree-optimization/16689
6818         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
6819         unnecessary initialization of 'tag'.
6820         (get_tmt_for): Check that the new type tag has the same alias
6821         set as the pointed-to type.
6822         (group_aliases): Only regular variables need to be removed
6823         from the alias set of a name tag.
6824         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
6825         propagation if the two types are not compatible.
6826         (merge_alias_info): Rename from replace_ssa_names_ann.
6827         Add more checking.
6828         (replace_exp_1): If both arguments are SSA_NAMEs, check that
6829         the propagation can be done.
6830         Only call merge_alias_info on pointers.
6831         (propagate_value): Likewise.
6832         * tree-ssa-copyrename.c: Include langhooks.h.
6833         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
6834         to do the merging.
6835         Do not coalesce variables with incompatible types.
6836         (rename_ssa_copies): Call replace_ssa_name_symbol.
6837         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
6838         the same type as the underlying _DECL.
6839         * tree-ssanames.c (replace_ssa_name_symbol): New function.
6840         * tree.h (replace_ssa_name_symbol): Declare.
6841
6842 2004-07-23  Richard Henderson  <rth@redhat.com>
6843
6844         PR c++/16277
6845         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
6846         unshare it properly.
6847         (gimplify_modify_expr_rhs): Push assignment from a conditional into
6848         the conditional for all non-register types.
6849
6850 2004-07-23  Richard Henderson  <rth@redhat.com>
6851
6852         * expr.c (expand_expr_real_1): Don't handle non-local variables.
6853         * expr.h (fix_lexical_addr): Remove.
6854         * function.c (NEED_SEPARATE_AP): Remove.
6855         (fix_lexical_addr): Remove.
6856         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
6857         not null decl_function_context.
6858         (create_alias_vars): Likewise.
6859         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
6860         (simple_goto_p): Likewise.
6861         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
6862         * tree-ssa-ccp.c (get_default_value): Likewise.
6863         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6864         * tree.c (needs_to_live_in_memory): Likewise.
6865         * tree-flow-inline.h (may_be_aliased): Move...
6866         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
6867         when TREE_STATIC variables may be addressable.
6868
6869 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
6870
6871         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
6872
6873 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
6874
6875         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
6876         bitmap contents if GENERATOR_FILE is defined.
6877         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
6878         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
6879
6880 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
6881
6882         * c-decl.c (start_function): Form composite type of function types
6883         rather than copying type from previous prototype declaration.
6884
6885 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
6886
6887         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
6888         the const qualifier for the second argument in the C++ functions.
6889
6890         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
6891         specific pointer types.
6892
6893         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
6894         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
6895         for vector bool and/or vector pixel, add C++ and C missing support.
6896         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
6897         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
6898         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
6899         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
6900         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
6901         missing C++ and C support for vector bool and/or vector pixel.
6902         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
6903         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
6904         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
6905         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
6906         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
6907         C++ and C types used for vector bool and/or vector pixel.
6908         (vec_st, vec_stl): Add C++ support for vector pixel.
6909         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
6910         (vec_all_ne): Add C++ support for vector pixel.
6911
6912         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
6913         (vec_vmulesb): Add missing C++ function.
6914         (vec_perm): Fix type of third argument in C++ function.
6915         (vec_vsum4shs): Fix C++ function name.
6916         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
6917         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
6918         argument passed to the error handler in C macro.
6919         (vec_nmsub): Remove extra parens around argument names in C macro.
6920         (vec_packpx): Add missing parens in C macro.
6921
6922 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6923
6924         * machmode.def: Remove vector modes.
6925         * config/alpha/alpha-modes.def: Add supported vector modes.
6926         * config/arm/arm-modes.def: Likewise.
6927         * config/frv/frv-modes.def: Likewise.
6928         * config/i386/i386-modes.def: Likewise.
6929         * config/rs6000/rs6000-modes.def: Likewise.
6930         * config/sh/sh-modes.def: Likewise.
6931
6932 2004-07-23  Matthias Klose  <doko@debian.org>
6933
6934         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
6935         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
6936         * config.h: Regenerate.
6937         * configure: Likewise.
6938
6939 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
6940
6941         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
6942         generated SYMBOL_REFs for labels.
6943         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
6944         Change prototype.
6945         (machopic_stub_name): Remove.
6946         (machopic_indirection_name): New function.
6947         (machopic_mcount_stub_name): Likewise.
6948         (machopic_classify_name): Remove.
6949         (machopic_function_base_sym): New function.
6950         (machpoic_classify_symbol): Likewise.
6951         (machopic_classify_ident): Remove.
6952         (machopic_define_ident): Likewise.
6953         (machopic_define_name): Likewise.
6954         (machopic_name_defined_p): Likewise.
6955         (machopic_ident_defined_p): Likewise.
6956         (darwin_strip_name_encoding): Likewise.
6957         (machopic_define_symbol): New function.
6958         * config/darwin.c (hashtab.h): Include.
6959         (machopic_defined_list): Remove.
6960         (machopic_classify_ident): Likewise.
6961         (machopic_classify_name): Likewise.
6962         (machopic_ident_defined_p): Likewise.
6963         (machopic_define_ident): Likewise.
6964         (machopic_define_name): Likewise.
6965         (machopic_symbol_defined_p): New function.
6966         (machopic_classify_symbol): Likewise.
6967         (machopic_data_defined_p): Use machopic_classify_symbol.
6968         (machopic_define_symbol): New function.
6969         (machopic_function_base_sym): New function.
6970         (machopic_non_lazy_pointers): Remove.
6971         (machopic_non_lazy_ptr_name): Likewise.
6972         (machopic_stubs): Likewise.
6973         (machopic_stub_name): Likewise.
6974         (NON_LAZY_POINTER_SUFFIX): New macro.
6975         (STUB_SUFFIX): Likewise.
6976         (machopic_indirection): New structure.
6977         (machopic_indirections): New variable.
6978         (machopic_indirection_hash): New function.
6979         (machopic_indirection_eq): Likewise.
6980         (machopic_indirection_name): Likewise.
6981         (machopic_mcount_stub_name): New function.
6982         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
6983         hash table.
6984         (machopic_indirect_data_reference): Rework to use new functions.
6985         (machopic_indirect_call_target): Likewise.
6986         (machopic_legitimize_pic_address): Likewise.
6987         (machopic_output_indirection): New function.
6988         (machopic_finish): Use it.
6989         (machopic_operand_p): Rework to use new functions.
6990         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
6991         (darwin_strip_name_encoding): Remove.
6992         (update_non_lazy_ptrs): Remove.
6993         (update_stubs): Likewise.
6994         (darwin_non_lazy_pcrel): Use new functions.
6995         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
6996         (ASM_OUTPUT_LABELREF): Likewise.
6997         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
6998         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
6999         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
7000         (TARGET_STRIP_NAME_ENCODING): Do not use
7001         darwin_strip_name_encoding.
7002         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
7003         darwin_strip_name_encoding.
7004         * config/i386/darwin.h (FUNCTION_PROFILER): Use
7005         machopic_mcount_stub_name.
7006         * config/i386/i386.c (x86_output_mi_thunk): Use
7007         machopic_indirection_name, not machopic_stub_name.
7008         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
7009         machopic_function_base_sym.
7010         (print_operand): Use machopic_classify_symbol.
7011         (rs6000_emit_prologue): Use machopic_function_base_sym.
7012         (output_profile_hook): Do not use machopic_stub_name.
7013         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
7014
7015 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7016
7017         PR c/7284
7018         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
7019         as multiplication.
7020
7021 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7022
7023         * doc/implement-c.texi: New file.
7024         * doc/extend.texi (C Implementation): Move to there.
7025         * doc/gcc.texi: Include implement-c.texi.
7026         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
7027
7028 2004-07-22  Jason Merrill  <jason@redhat.com>
7029
7030         * integrate.c (copy_decl_for_inlining): Remove invisible reference
7031         handling.
7032         * tree-inline.c (setup_one_parameter): Likewise.
7033
7034 2004-07-22  Brian Booth  <bbooth@redhat.com>
7035
7036         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
7037         (substitute_and_fold): Propigate into VUSE operands when possible.
7038         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
7039         (cp_lattice_meet): Handle merging of latticevalues when
7040         UNKNOWN_VAL is present.
7041         (visit_stmt): Visit assignments with V_MUST_DEFs.
7042         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
7043         (ccp_fold): Deal with RHS' that are constant and virtual.
7044         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
7045         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
7046         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
7047         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
7048         computing immediate uses.
7049         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
7050         transition.
7051         (replace_vuse_in): New function.
7052         (likely_value): Add check of vuse operands.
7053         (get_default_value): Set the default value of virtually defined
7054         variables to UKNOWN_VAL instead of VARYING.
7055
7056 2004-07-22  Richard Henderson  <rth@redhat.com>
7057
7058         * expr.c (emit_push_insn): Don't use set_mem_attributes.
7059
7060 2004-07-22  Richard Henderson  <rth@redhat.com>
7061
7062         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
7063         variables due to conditional compilation.
7064
7065 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7066
7067         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
7068         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
7069         Release SSA names that have been re-renamed.
7070         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
7071         variable.
7072         * tree-ssa-alias.c (init_alias_info): If aliases have been
7073         computed before, clear existing alias information.
7074         (create_name_tags): Do no fixup PT_ANYTHING pointers.
7075         If the new name tag for a pointer is different than the one it
7076         had before, mark the old tag for renaming.
7077         (replace_may_alias): New function.
7078         (group_aliases): Call it.
7079         (setup_pointers_and_addressables): Always call get_tmt_for.
7080         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
7081         once.
7082         (set_pt_anything): New local function.
7083         (set_pt_malloc): New local function.
7084         (merge_pointed_to_info): Don't merge pointed-to variables from
7085         the original pointer if the destination is pointing to an
7086         unknown location.
7087         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
7088         (add_pointed_to_var): Do not add a variable to the points-to
7089         set if the pointer is already pointing to anywhere.
7090         (collect_points_to_info_r): If the defining statement is a PHI
7091         node, only merge pointed-to information if the argument has
7092         already been visited.
7093         (get_tmt_for): Only create a new tag if the pointer didn't
7094         have one already.
7095         (dump_alias_info): Emit more information.
7096         (dump_points_to_info_for): Likewise.
7097         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
7098         try to get the annotation of an SSA_NAME.
7099         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
7100         alias sets when checking is enabled.
7101         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
7102         (eliminate): Mark basic blocks that will need
7103         EH information cleaned up.
7104         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
7105         predecessor.
7106         Initialize need_eh_cleanup.
7107         (fini_pre): Call tree_purge_all_dead_eh_edges and
7108         cleanup_tree_cfg if needed.
7109         Free need_eh_cleanup.
7110         * tree-ssa.c (verify_ssa_name): New function.
7111         (verify_def): Call it.
7112         Re-arrange to avoid printing too many error messages.
7113         (verify_use): Likewise.
7114         (verify_phi_args): Likewise.
7115         (verify_flow_insensitive_alias_info): New function.
7116         (verify_flow_sensitive_alias_info): New function.
7117         (verify_alias_info): New function.
7118         (verify_ssa): Call verify_alias_info.
7119         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
7120         program.
7121         Re-arrange to avoid printing too many error messages.
7122         * tree-ssanames.c (make_ssa_name): Clear
7123         SSA_NAME_IN_FREE_LIST.
7124         (release_ssa_name): Never release a default definition.
7125         (release_defs): New function.
7126         * tree.h: Declare it.
7127         * tree-ssa-dce.c (remove_dead_stmt): Call it.
7128
7129 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7130
7131         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
7132         If true, do a depth-first search.  Do a breadht-first search,
7133         otherwise.
7134         (walk_use_def_chains): Add new argument IS_DFS.
7135         Update all users.
7136         * tree-flow.h (walk_use_def_chains): Update prototype.
7137
7138 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
7139
7140         * config/cris/cris.md: Tweak formatting.
7141         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
7142         (mover2side, moverside, movemside, movei, op3, andu): Replace
7143         live define_peephole:s with define_peephole2 near-equivalents.
7144         Delete the rest.
7145         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
7146         word-size modes.
7147         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
7148         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
7149         "*mov_sidesi_mem" respectively.
7150
7151 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7152
7153         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
7154         (gimplify_build1): Move from tree-complex.c do_unop.
7155         (gimplify_build2): Move from tree-complex.c do_binop.
7156         (gimplify_build3): New.
7157         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
7158         Adjust throughout to call the functions above.
7159         * tree-flow.h: Declare the functions above.
7160         * tree-nested.c (gimplify_val): Rename to...
7161         (tsi_gimplify_val): ... this.
7162
7163         * Makefile.in (tree_complex.o): Update dependencies.
7164         (stor-layout.o): Depend on regs.h.
7165         * c-common.c (handle_vector_size_attribute): Update for
7166         vector types without corresponding vector modes.
7167         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
7168         a corresponding vector mode is not available.
7169         * print-tree.c (print_node): Print nunits for vector types
7170         * regclass.c (have_regs_of_mode): New.
7171         (init_reg_sets_1): Initialize it and use it instead
7172         of allocatable_regs_of_mode.
7173         * regs.h (have_regs_of_mode): Declare it.
7174         * stor-layout.c (layout_type): Pick a mode for vector types.
7175         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
7176         build_replicated_const, do_unop, do_binop, do_plus_minus,
7177         do_negate, expand_vector_piecewise, expand_vector_parallel,
7178         expand_vector_addition, expand_vector_operations_1,
7179         expand_vector_operations, tree_lower_operations,
7180         pass_lower_vector_ssa, pass_pre_expand): New.
7181         (expand_complex_operations, pass_lower_complex): Remove.
7182         * tree-optimize.c (init_tree_optimization_passes): Adjust
7183         pass ordering for changes in tree-complex.c.
7184         * tree-pass.h: Declare new passes.
7185         * tree.c (finish_vector_type): Remove.
7186         (make_vector_type): New.
7187         (build_vector_type_for_mode, build_vector_type): Rewritten.
7188         * tree.def (VECTOR_TYPE): Document where the number of
7189         subparts is stored.
7190         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
7191         (make_vector): Remove declaration.
7192
7193 2004-07-21  Richard Henderson  <rth@redhat.com>
7194
7195         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
7196         TREE_THIS_VOLATILE, may_aliases, or optimization level.
7197         (remove_useless_vars): Dump debugging info.
7198         (expand_used_vars): Move ...
7199         * cfgexpand.c (expand_used_vars): ... here.  Make static.
7200         * tree-flow-inline.h (set_is_used): New.
7201         (set_default_def): Use get_var_ann.
7202         * tree-flow.h: Update decls.
7203         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
7204         (create_ssa_var_map): Use it.
7205         * tree-ssa.c (set_is_used): Remove.
7206
7207 2004-07-22  Ben Elliston  <bje@au.ibm.com>
7208
7209         * gdbinit.in: Set a breakpoint on internal_error.
7210
7211 2004-07-21  Richard Henderson  <rth@redhat.com>
7212
7213         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
7214         to create a new basic block.
7215
7216 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7217
7218         PR c/15052
7219         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
7220         return type on function definitions.  Move other warnings for
7221         qualified return type to -Wreturn-type.  Do not condition any such
7222         warnings on -pedantic.  Update comments.
7223         (start_function): Only copy function type from previous prototype
7224         declaration if return types are compatible.
7225         * c-typeck.c (function_types_compatible_p): Don't condition
7226         warning for incompatibility of volatile qualifiers on the return
7227         type on -pedantic.  Update comment.
7228         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
7229
7230 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7231
7232         * c-typeck.c (set_init_index): Require designator to be of integer
7233         type.
7234
7235 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7236
7237         PR c/11250
7238         * c-parse.in (init): Change to exprtype.
7239         (primary): Set original_code for STRING to STRING_CST.
7240         Call maybe_warn_string_init for compound literals.
7241         (initdcl, notype_initdcl): Call maybe_warn_string_init.
7242         (initval): Update.
7243         * c-tree.h (maybe_warn_string_init): New.
7244         (pop_init_level, process_init_element): Use struct c_expr.
7245         (struct c_expr): Update comment.
7246         * c-typeck.c (maybe_warn_string_init): New function.
7247         (digest_init): Call it.  Additional parameter strict_string.  All
7248         callers changed.
7249         (output_init_element): Likewise.
7250         (struct constructor_stack): Use struct c_expr for
7251         replacement_value.
7252         (really_start_incremental_init, push_init_level): Update.
7253         (pop_init_level): Update.  Return struct c_expr.
7254         (process_init_level): Update.  Take struct c_expr argument.
7255
7256 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
7257
7258         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
7259         commit.
7260
7261 2004-07-21  Eric Christopher  <echristo@redhat.com>
7262
7263         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
7264         removal.
7265         * c-decl.c (pop_scope): Ditto.
7266         * calls.c (expand_call): Remove call to current_nesting_level,
7267         update comment accordingly. Remove calls to expand_start_target_temps
7268         and expand_end_target_temps.
7269         * cfgexpand.c (construct_init_block): Remove call to
7270         expand_start_bindings_and_block.
7271         (construct_exit_block): Remove call to expand_end_bindings.
7272         * expr.c (safe_from_p): Remove BIND_EXPR handling.
7273         (expand_expr_real_1): Ditto. Fix formatting.
7274         (expand_vars): Delete.
7275         * stmt.c (POPSTACK): Remove block_stack.
7276         (stmt_status): Remove x_block_stack.
7277         (block_stack): Delete.
7278         (expand_start_bindings_and_block): Ditto.
7279         (expand_start_target_temps): Ditto.
7280         (expand_end_target_temps): Ditto.
7281         (current_nesting_level): Ditto.
7282         (warn_about_unused_variables): Ditto.
7283         (expand_end_bindings): Ditto.
7284         * tree.h: Remove declarations for above.
7285
7286 2004-07-21  Steven Bosscher  <stevenb@suse.de>
7287
7288         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
7289         * rtl.c (note_insn_name): Likewise.
7290         * print-rtl.c (print_rtx): Don't print it.
7291         * cfgrtl.h (can_delete_note_p): Don't handle it.
7292         (rtl_delete_block): Likewise.
7293         * passes.c (rest_of_handle_guess_branch_prob): Remove.
7294         (rest_of_compilation): Don't call it.
7295         * predict.c (process_note_predictions, process_note_prediction,
7296         note_prediction_to_br_prob): Remove.
7297         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
7298         * stmt.c (return_prediction): Remove.
7299         (expand_value_return): Don't call it.  Don't add prediction
7300         notes for return statements.
7301
7302 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
7303
7304         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
7305         once.
7306
7307 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
7308
7309         * c-common.c (vector_types_convertible_p): Use vector types'
7310         TYPE_SIZE and TREE_TYPE instead of their mode.
7311         * convert.c (convert_to_integer): Likewise.
7312         (convert_to_vector): Likewise.
7313         * fold-const.c (fold_convert): Likewise.
7314         * varasm.c (output_constant): Likewise.
7315         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
7316         Allow a VECTOR_TYPE initializer to be made of several vectors.
7317         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
7318         of cleared and need_to_clear, and use fold_convert.
7319         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
7320         integer vectors.
7321
7322 2004-07-20  Richard Henderson  <rth@redhat.com>
7323
7324         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
7325         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
7326
7327 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
7328
7329         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
7330         enormous cost if not TARGET_HARD_MUL.
7331
7332 2004-07-20  Andrew Pinski  <apinski@apple.com>
7333
7334         PR target/16557
7335         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
7336         (ASM_SPEC): here.
7337
7338 2004-07-21  Paul brook  <paul@codesourcery.com>
7339
7340         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
7341
7342 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7343
7344         * fold-const.c (operand_equal_p): Temporarily support NULL args.
7345         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
7346         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
7347
7348 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
7349
7350         * rtl.h (plus_constant): Delete.
7351         (plus_constant_wide): Rename to plus_constant.
7352         (plus_constant_for_output_wide): Delete vestigial prototype.
7353         (GEN_INT): Remove unnecessary cast.
7354         * tree.h (build_int_2, size_int_type): Delete.
7355         (build_int_2_wide): Rename to build_int_2.
7356         (size_int_wide): Rename to size_int_kind.
7357         (size_int_type_wide): Rename to size_int_type.
7358         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
7359         Remove unnecessary cast.
7360         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
7361         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
7362         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
7363         (size_int_type_wide): Rename size_int_type.
7364         (int_const_binop): Use size_int_type.
7365         * c-lex.c (interpret_integer): Use build_int_2.
7366         * final.c (split_double): Remove unnecessary casts.
7367         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
7368
7369 2004-07-20  Richard Henderson  <rth@redhat.com>
7370
7371         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
7372         (gimplify_compound_lval): Use is_gimple_tmp_reg.
7373         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
7374         (is_gimple_tmp_reg): New.
7375         * tree-gimple.h (is_gimple_tmp_reg): Declare.
7376
7377 2004-07-20  Richard Henderson  <rth@redhat.com>
7378
7379         * tree-pretty-print.c (dump_generic_node): Dump
7380         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
7381
7382 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
7383
7384         * tree-mudflap.c (mf_set_options_fndecl): New tree.
7385         (mudflap_init): Set it.
7386         (mudflap_register_call): Remove __mf_init call.
7387         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
7388         to pass "-ignore-reads" option to libmudflap if needed.
7389
7390 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
7391
7392         PR c++/14607
7393         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
7394         (MAKE_DECL_ONE_ONLY): Undefine.
7395         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
7396         readonly_data, one_only_data_section, forget_section): New prototypes.
7397         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
7398         functions.
7399         (pa_select_section): Add one-only (COMDAT) support.
7400         * pa.h (struct machine_function): Define.
7401         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
7402         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
7403         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
7404         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
7405         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
7406         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
7407         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
7408         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
7409         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
7410         for EXTRA_SECTION_FUNCTIONS.
7411         * doc/install.texi: Update binutils requirements.
7412
7413 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7414
7415         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
7416         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
7417         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
7418         size_t.
7419         (struct VEC): Use unsigned for num and alloc.
7420         * vec.c (struct vec_prefix): Likewise.
7421         (vec_o_reserve): Adjust.
7422
7423         * dbxout.c (dbxout_type): Fix printf format.
7424
7425         * tree.h (binfo_member): Remove.
7426         * tree.c (binfo_member): Remove.
7427
7428 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7429
7430         * tree.h: Include vec.h
7431         (DEF_VEC_P(tree)): New type.
7432         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
7433         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
7434         (BINFO_LANG_SLOT): Remove.
7435         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
7436         (struct tree_binfo): Turn base_binfos into a trailing
7437         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
7438         (binfo_lang_slots): Remove.
7439         * tree.c (binfo_lang_slots): Remove.
7440         (make_tree_binfo_stat): Take a base binfo count, not a
7441         lang slot count.  Adjust.
7442         * Makefile.in (TREE_H): Add vec.h
7443         * alias.c (record_component_aliases): Adjust BINFO access.
7444         * dbxout.c (dbxout_type): Likewise.
7445         * dwarf2out.c (gen_member_die): Likewise.
7446         * sdbout.c (sdbout_one_type): Likewise.
7447         * tree-dump.c (deque_and_dump): Likewise.
7448         * config/i386/i386.c (classify_argument,
7449         contains_128bit_aligned_vector_p): Likewise.
7450         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
7451         * doc/c-tree.texi (Classes): Update BINFO documentation.
7452
7453 2004-07-20  Steven Bosscher  <stevenb@suse.de>
7454
7455         * c-common.h (check_case_value): Remove prototype.
7456         (c_add_case_label): Adjust prototype.
7457         * c-common.c (check_case_value): Make static.
7458         (check_case_bounds): New function.
7459         (c_add_case_label): Use it.  Take new argument orig_type.
7460         * c-typeck.c (struct c_switch): New orig_type field.
7461         (c_start_case): Set it.
7462         (do_case): Pass it to c_add_case_label.
7463         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
7464         cases from here.  Add the labels in reverse order.
7465         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
7466         (add_case_node): Return nothing, don't check for duplicate cases.
7467         Insert new case nodes in a list, not in an AVL tree.
7468         (expand_end_case_type): Don't turn a case tree into a case list.
7469         (case_tree2list): Remove.
7470         * tree.h (add_case_node): Adjust prototype.
7471
7472 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
7473
7474         * genattr.c (struct range, struct function_unit,
7475         write_units, extend_range, init_range): Remove them.
7476         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7477         Output "#define INSN_SCHEDULING" here.
7478         * genattrtab.c (struct range, struct function_unit_op,
7479         struct function_unit, struct dimension, enum operator,
7480         operate_exp, expand_units, simplify_knowing,
7481         encode_units_mask, simplify_by_exploding,
7482         find_and_mark_used_attributes, unmark_used_attributes,
7483         add_values_to_cover, increment_current_value,
7484         test_for_current_value, simplify_with_current_value,
7485         simplify_with_current_value_aux, gen_unit,
7486         write_unit_name, write_function_unit_info,
7487         write_complex_function, write_toplevel_expr,
7488         find_single_value, extend_range): Remove.
7489         (write_attr_get): Do not handle common_av->value
7490         being an FFS.
7491         (struct attr_desc): Remove func_units_p and blockage_p.
7492         (write_attr_valueq): Do not handle them.
7493         (find_attr): Do not clear them.
7494         (make_internal_attr): Do not initialize them.
7495         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7496         * sched-vis.c (init_target_units, insn_print_units,
7497         init_block_visualization, print_block_visualization,
7498         visualize_scheduled_insns, visualize_no_unit,
7499         visualize_stall_cycles, visualize_alloc,
7500         visualize_free, target_units, get_visual_tbl_length,
7501         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
7502         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
7503         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
7504         * haifa-sched.c (blockage_range, clear_units,
7505         schedule_unit, actual_hazard, potential_hazard,
7506         insn_unit, unit_last_insn, unit_tick,
7507         actual_hazard_this_instance, potential_hazard,
7508         schedule_unit, max_insn_queue_index_value): Remove.
7509         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
7510         max_insn_queue_index.
7511         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
7512         * doc/md.texi (Processor pipeline description): Remove
7513         references to old pipeline descriptions.
7514         (Automaton pipeline description): Merge with the above.
7515         (Old pipeline description, Comparison of the two descriptions):
7516         Remove.
7517
7518         * bt-load.c (migrate_btr_def): Remove references to
7519         use_pipeline_interface.
7520         * haifa-sched.c (insn_cost, schedule_insn,
7521         schedule_block, advance_one_cycle, sched_init,
7522         queue_to_ready, sched_finish): Likewise.
7523         * modulo-sched.c (sms_schedule, advance_one_cycle,
7524         ps_has_conflicts): Likewise.
7525         * sched-rgn.c (init_ready): Likewise.
7526         (debug_dependencies): Likewise, and remove an "if (1)".
7527         * target.h (use_dfa_pipeline_interface): Remove.
7528         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7529         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7530         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7531         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7532         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7533         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7534         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7535         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7536         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7537         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7538         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7539         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7540         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7541         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7542         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7543         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7544         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7545         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7546         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7547
7548 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7549
7550         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
7551
7552 2004-07-19  Jeff Law  <law@redhat.com>
7553
7554         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
7555         (get_eq_expr_value): Use it.  Simplify slightly.
7556
7557 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
7558
7559         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
7560         (umulsidi3_32bit_r4000): Likewise.
7561
7562 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
7563
7564         * vec.h: Propagate location information properly.
7565         (VEC_T_iterate): Add result pointer parameter.
7566         (VEC_T_space): New.
7567         (VEC_T_reserve): Use it.
7568
7569 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
7570
7571         * Makefile.in (c-format.o): Depend on c-format.h.
7572         * c-format.h: New file.
7573         (struct format_char_info): Add CHAIN member.
7574         * c-format.c: Move some types and constants to c-format.h.
7575         (format_type_error): Set to -1.
7576         (struct function_format_info): Use an int for format_type.
7577         (decode_format_type): Return an int.  Return format_type_error
7578         on error.
7579         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
7580         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
7581         (scan_char_table, time_char_table, monetary_char_table): Initialize
7582         CHAIN to NULL.
7583         (n_format_types): New variable.
7584         (check_format_info_main): Handle CHAIN in format_char_info.
7585         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
7586         TARGET_N_FORMAT_TYPES.
7587         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7588         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
7589         * config/sol2-c.c: New file.
7590         * config/t-sol2: New file.
7591         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
7592         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
7593         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
7594
7595         * doc/extend.texi (Target Format Checks): New section.
7596         (Function Attributes): Mention it.
7597         * doc/invoke.texi: Mention target format checks.
7598         * doc/sourcebuild.texi: Mention target format checks.
7599         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
7600         TARGET_FORMAT_TYPES.
7601
7602 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7603
7604         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
7605         added.
7606         * config/s390/s390.c (regclass_map initializer): Register 35 added to
7607         ADDR_REGS.
7608         (load_multiple_operation, store_multiple_operation): Removed
7609         pointless sanity check.
7610         (s390_decompose_address): Added check for return_address_pointer_rtx.
7611         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
7612         (s390_return_address_offset): New function.
7613         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
7614         (FRAME_REGNO_P): Added check for register 35.
7615         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
7616         REG_ALLOC_ORDER): Appended entry for register 35.
7617         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
7618         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
7619         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
7620         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
7621         is eliminable using stack pointer or hard frame pointer.
7622         (REGISTER_NAMES): Added name for register 35.
7623         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
7624         pointless sanity check.
7625
7626 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7627
7628         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
7629         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
7630         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
7631         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
7632         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
7633         (fold_relational_const): Tidy up handling of floating point
7634         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
7635         transformation; fold_relational_const assumes constant operands.
7636
7637 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
7638
7639         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
7640         directory.
7641
7642 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7643
7644         * c-tree.h (struct c_expr): Define.
7645         (C_SET_EXP_ORIGINAL_CODE): Remove.
7646         (parser_build_binary_op, build_compound_expr): Update prototypes.
7647         * c-parse.in (%union): Add exprtype.
7648         (FUNC_NAME): Mark as ttype.
7649         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
7650         exprtype.
7651         (expr): Update.  Define directly in terms of expr_no_commas
7652         instead of using nonnull_exprlist.
7653         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
7654         offsetof_member_designator, typespec_nonreserved_nonattr, init,
7655         initval, designator, component_declarator,
7656         component_notype_declarator, enumerator, array_declarator,
7657         condition, exexpr, switch_statement, stmt_nocomp, stmt,
7658         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
7659         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
7660         where appropriate.
7661         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
7662         * c-common.c (c_common_truthvalue_conversion): Don't check
7663         C_EXP_ORIGINAL_CODE.
7664         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
7665         Don't use C_EXP_ORIGINAL_CODE.
7666         (default_conversion, default_function_array_conversion): Don't use
7667         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
7668         (internal_build_compound_expr): Merge into build_compound_expr.
7669         (build_compound_expr): Take two operands instead of a TREE_LIST.
7670         * objc/objc-act.c (get_super_receiver): Update calls to
7671         build_compound_expr.
7672
7673 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
7674
7675         * config/sh/sh.c (sh_use_dfa_interface): Remove.
7676         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
7677         hook_int_void_1.
7678         * config/sh/sh.md: Extract pipeline descriptions
7679         into separate files.
7680         * config/sh/sh1.md: New file, extracted from sh.md.
7681         * config/sh/sh4.md: New file, extracted from sh.md.
7682         * config/sh/shmedia.md: New file, extracted from sh.md
7683         and rewritten using new-style pipeline description.
7684
7685 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
7686
7687         * config/pa/pa.md: Delete the two remaining define_peephole
7688         patterns.
7689
7690 2004-07-18  Steven Bosscher  <stevenb@suse.de>
7691             Joseph S. Myers  <jsm@polyomino.org.uk>
7692
7693         * c-common.c (c_common_truthvalue_conversion): Don't warn if
7694         TREE_NO_WARNING is set.
7695
7696 2004-07-18  Roger Sayle  <roger@eyesopen.com>
7697
7698         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
7699         simplify_builtin_strncmp): Delete.
7700         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
7701         Change argument to accept an arglist instead of an "exp".  Assume
7702         that the return type is always integer_type_node.  Copy missing
7703         transformations from their now obsolete simplify_builtin_*
7704         equivalents.
7705         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
7706         fold_builtin_strcmp and fold_builtin_strncmp.
7707         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
7708         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
7709         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
7710
7711 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
7712
7713         * Makefile.in (tree-alias-common.o): Update dependencies.
7714
7715 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
7716
7717         * cfgloop.c (flow_loop_nested_p): Fix comment.
7718
7719 2004-07-17  Jason Merrill  <jason@redhat.com>
7720
7721         PR c++/16115
7722         * stor-layout.c (relayout_decl): New fn.
7723         * tree.h: Declare it.
7724         (DECL_BY_REFERENCE): New macro.
7725
7726 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
7727
7728         * libgcc2.c (__enable_execute_stack): New symbol.
7729         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
7730         and declare __enable_execute_stack.
7731         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
7732         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
7733         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7734         ENABLE_EXECUTE_STACK.
7735         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
7736         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7737         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7738         ENABLE_EXECUTE_STACK.
7739         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7740         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
7741         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7742         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7743         ENABLE_EXECUTE_STACK.
7744         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7745         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7746         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7747         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7748         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
7749         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7750         (sparc64_initialize_trampoline): Likewise.
7751         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
7752
7753 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7754
7755         * langhooks.h (builtin_function): New langhook.
7756         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
7757         (LANG_HOOKS_INITIALIZER): Update.
7758         * tree.h (builtin_function): Remove.
7759         * doc/tm.texi: Update.
7760         * c-tree.h (builtin_function): Declare.
7761         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
7762         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
7763         config/ia64/ia64.c, config/iq2000/iq2000.c,
7764         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
7765         config/stormy16/stormy16.c: All callers of builtin_function
7766         changed.
7767
7768 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
7769
7770         PR target/16556
7771         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
7772         Remove white space after the backslash.
7773
7774 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
7775
7776         PR rtl-optimization/16294
7777         * resource.c (return_insn_p): New predicate.
7778         (mark_target_live_regs): Use it.  Special-case return insns.
7779         (init_resource_info): Use it.  Don't scan the epilogue past
7780         a return.
7781
7782 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7783
7784         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
7785         destroy dominance information.
7786         * passes.c (rest_of_handle_loop2):  Free dominance information.
7787         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
7788         jump threading.
7789         (thread_jumps): Update dominance information and remove unreachable
7790         blocks.
7791         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
7792         information and remove the unreachable block.
7793
7794 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
7795
7796         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
7797
7798 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
7799
7800         * doc/sourcebuild.texi: Remove libf2c entry.
7801
7802 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
7803
7804         * config/i386/i386.md (movv16qi_internal): Fix typo.
7805
7806 2004-07-17  Steven Bosscher  <stevenb@suse.de>
7807
7808         * final.c (final_scan_insn): Fix broken commit from previous
7809         patch.
7810
7811 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7812
7813         * c-typeck.c (parser_build_binary_op): Condition warnings for
7814         X<=Y<=Z on -Wparentheses instead of -Wextra.
7815         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
7816         supported for C only.
7817
7818 2004-07-17  Steven Bosscher  <stevenb@suse.de>
7819
7820         * cfgcleanup.c (try_simplify_condjump): Don't remove line
7821         notes to avoid unreachable code warnings.
7822         * toplev.c (backend_init): Don't emit line notes for
7823         unreachable code warnings.
7824
7825         * combine.c (distribute_notes): Don't distribute a
7826         REG_VTABLE_REF note.
7827         * final.c (final_scan_insn): Don't handle it.
7828         * rtl.c (reg_note_name): Remove it.
7829         * rtl.h (enum reg_node): Dito.
7830
7831         * emit-rtl.c (force_line_numbers, restore_line_number_status):
7832         Remove.
7833         * rtl.h (force_line_numbers, restore_line_number_status):
7834         Remove prototypes.
7835
7836         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
7837         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
7838         (using_eh_for_cleanups): Also moved here.
7839
7840         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
7841         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
7842         to expand_start_case and add_case_node.
7843         * stmt.c (struct nesting): Cleanup unused fields condition_code,
7844         last_unconditional_cleanup, nominal_type, printname, and
7845         line_number_status.
7846         (struct fixup_goto): Remove.
7847         (struct stmt_status): Remove x_goto_fixup_chain field.
7848         (goto_fixup_chain): Remove.
7849         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
7850         pushcase, pushcase_range): Remove.
7851         (expand_start_bindings_and_block): Don't set unused fields in
7852         the nesting stack.
7853         (expand_start_case, add_case_node): Cleanup unused formal arguments.
7854         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
7855         instead of emit_jump_if_reachable.
7856         (emit_case_nodes): Likewise.
7857         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
7858         static.
7859         (update_eh_label): Work around left-over exception handing regions.
7860         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
7861         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
7862         (pass_cleanup_cfg_post_optimizing): New pass.
7863         (init_tree_optimization_passes): Run the new pass after all
7864         optimizations.
7865         * tree.h (pushcase, pushcase_range): Remove prototypes.
7866         (expand_start_case, add_case_node): Update prototypes.
7867
7868 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
7869
7870         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
7871
7872 2004-07-16  Richard Henderson  <rth@redhat.com>
7873
7874         * builtins.c (std_expand_builtin_va_arg): Remove.
7875         (expand_builtin_va_arg): Remove.
7876         * expr.h: Don't declare them.
7877         * gimplify.c (mark_decls_volatile_r): Remove.
7878         (copy_if_shared_r): Don't call it.
7879         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
7880         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
7881         * gimple-low.c (lower_stmt): Likewise.
7882         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
7883         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
7884         * tree-ssa-operands.c (get_expr_operands): Likewise.
7885         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
7886         EXPAND_BUILTIN_VA_ARG.
7887         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
7888         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
7889         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
7890         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
7891
7892 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7893
7894         * tree-ssa-pre.c (insert_aux): Break out if we hit
7895         a critical edge.
7896
7897 2004-07-16  Richard Henderson  <rth@redhat.com>
7898
7899         * basic-block.h (remove_fake_exit_edges): Declare.
7900         * cfganal.c (remove_fake_predecessors): Rename from
7901         remove_fake_successors; iterate over predecessors.
7902         (remove_fake_exit_edges): New.
7903         * cfgcleanup.c (try_optimize_cfg): Use it.
7904         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
7905         * predict.c (estimate_probability): Likewise.
7906         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
7907         * tree-cfg.c (make_edges): Likewise.
7908         * tree-ssa-pre.c (fini_pre): Likewise.
7909         * profile.c (instrument_edges): Don't remove_fake_edges.
7910         (branch_prob): Do it earlier here.
7911
7912 2004-07-16  Richard Henderson  <rth@redhat.com>
7913
7914         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
7915         switchification wrt CONSTRUCTOR.  Document the reason.
7916
7917 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
7918
7919         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
7920         that prevented descriptive __mf_check source location strings.
7921
7922 2004-07-16  Richard Henderson  <rth@redhat.com>
7923
7924         * tree-def (WITH_SIZE_EXPR): New.
7925         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
7926         * expr.c (expand_expr_real_1): Likewise.
7927         * gimplify.c (maybe_with_size_expr): New.
7928         (gimplify_arg, gimplify_modify_expr): Use it.
7929         (gimplify_modify_expr_to_memcpy): Take size parameter.
7930         (gimplify_modify_expr_to_memset): Likewise.
7931         (gimplify_expr): Handle WITH_SIZE_EXPR.
7932         * tree-alias-common.c (find_func_aliases): Likewise.
7933         * tree-eh.c (tree_could_trap_p): Likewise.
7934         (tree_could_throw_p): Likewise.
7935         * tree-gimple.c (is_gimple_lvalue): Likewise.
7936         (get_call_expr_in): Likewise.
7937         * tree-inline.c (estimate_num_insns_1): Likewise.
7938         (expand_calls_inline): Likewise.
7939         * tree-nested.c (convert_call_expr): Likewise.
7940         * tree-pretty-print.c (dump_generic_node): Likewise.
7941         * tree-sra.c (sra_walk_expr): Likewise.
7942         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
7943         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
7944         * tree-ssa-operands.c (get_expr_operands): Likewise.
7945         * tree-tailcall.c (find_tail_calls): Likewise.
7946
7947         * calls.c (expand_call): Reset old_stack_allocated after
7948         calling emit_stack_restore.
7949
7950 2004-07-16  Richard Henderson  <rth@redhat.com>
7951
7952         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
7953         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
7954         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
7955         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
7956         copy_res_decl_for_inlining.
7957
7958         * tree-inline.c (declare_return_variable): New modify_dest argument.
7959         Use it as the return value, when possible or manditory.  Handle
7960         TREE_ADDRESSABLE types.
7961         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
7962         replacement of CALL_EXPR.
7963
7964 2004-07-16  Richard Henderson  <rth@redhat.com>
7965
7966         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
7967         * gimple-low.c (expand_var_p): Don't check it.
7968         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
7969         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
7970         * tree-ssa-operands.c (add_stmt_operand): Likewise.
7971         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
7972         (find_referenced_vars): Don't call them.
7973         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
7974
7975 2004-07-16  Richard Henderson  <rth@redhat.com>
7976
7977         * function.c (pass_by_reference): True for all variable sized types.
7978
7979 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
7980
7981         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
7982         * tree-pretty-print.c: Include tree-chrec.h.
7983         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
7984         and POLYNOMIAL_CHREC nodes.
7985
7986 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
7987
7988         * builtins.c (expand_builtin_stpcpy): Do not create temporary
7989         reg with VOIDmode.
7990
7991 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7992
7993         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
7994
7995 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7996
7997         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
7998         to BASE_REGNUM.
7999         * config/s390/s390.c: Likewise.
8000         * config/s390/s390.h: Likewise.
8001
8002 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8003
8004         * config/mips/mips.md (addsi3, adddi3): Remove special handling
8005         of $sp adds.  Remove REGNO checks from mips16 patterns.
8006
8007 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8008
8009         * config/mips/mips.md: Delete outdated comment.
8010
8011 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8012
8013         * config/mips/mips.c (get_float_compare_codes): Delete.
8014         (mips_emit_compare): New function, mostly extracted from
8015         get_float_compare_codes and gen_conditional_branch.
8016         (gen_conditional_branch, gen_conditional_move): Use it.
8017
8018 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8019
8020         * genautomata.c (add_vect): Speedup by using integers as
8021         bit-vectors for walking through the comb_vect and finding
8022         a match.
8023
8024 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8025
8026         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
8027         operand is an uns_arith_operand; use subtraction otherwise.
8028         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
8029         not just arith_operands.
8030
8031 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8032
8033         * config/mips/mips-protos.h (gen_int_relational): Delete.
8034         (mips_emit_scc): Declare.
8035         * config/mips/mips.c (internal_test): Delete.
8036         (sle_operand, sleu_operand): New functions.
8037         (map_test_to_internal_test, gen_int_relational): Delete.
8038         (mips_emit_binary, mips_relational_operand_ok_p)
8039         (mips_emit_int_relational, mips_zero_if_equal)
8040         (mips_emit_scc): New functions.
8041         (gen_conditional_branch): Rework to use mips_emit_int_relational.
8042         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
8043         sleu_operand.
8044         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8045         (sltu, sleu): Use mips_emit_scc.
8046         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
8047         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
8048         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
8049
8050 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8051
8052         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
8053
8054 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8055
8056         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
8057         (*sne_[sd]i): Likewise sne_[sd]i_zero.
8058         (*sgt_[sd]i): ...and sgt_[sd]i.
8059         (*slt_[sd]i): ...and slt_[sd]i.
8060         (*sgtu_[sd]i): ...and sgtu_[sd]i.
8061         (*sltu_[sd]i): ...and sltu_[sd]i.
8062         (*sleu_[sd]i): ...and sleu_[sd]i_const.
8063         Name previously unnamed mips16 patterns.  Formatting fixes.
8064
8065 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8066
8067         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
8068         (branch_type): Delete.
8069         (gen_conditional_branch, gen_conditional_move)
8070         (mips_gen_conditional_trap): Update after name change.  Get the
8071         comparison mode from cmp_operands[0].
8072         * config/mips/mips.h (cmp_type, branch_type): Delete.
8073         (cmp_operands): Renamed from branch_cmp.
8074         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
8075         name change.  Don't set branch_type.
8076         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
8077         mode class of cmp_operands[0] rather than branch_type.  Update after
8078         name change.
8079
8080 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8081
8082         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
8083         of 0...255 to 0 when inside a SET.
8084
8085 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8086
8087         * config/mips/mips.md: Remove mips16 define_peepholes.
8088
8089 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8090
8091         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
8092         (fini_pre): Remove fake edges.
8093
8094 2004-07-15  Richard Henderson  <rth@redhat.com>
8095
8096         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
8097         (get_indirect_ref_operands, get_call_expr_operands): ... these.
8098
8099 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8100
8101         * vec.h (VEC_address): New function.
8102
8103 2004-07-14  Jason Merrill  <jason@redhat.com>
8104
8105         PR middle-end/15885
8106         * gimplify.c (gimplify_arg): New fn, split out from...
8107         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
8108
8109 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8110
8111         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
8112         generate code which is generated by pushqi1 now
8113         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
8114
8115 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8116
8117         * combine.c (simplify_set): match the mode of the constant 0 with
8118         the tested operand to match the compare behaviour and the
8119         simplify_relational_operation() expectation.
8120
8121 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8122
8123         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
8124         ("bordered"): Same.
8125
8126 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8127
8128         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
8129         unconditionally.
8130         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
8131
8132 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8133
8134         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
8135         calls in mips16 code.
8136
8137 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8138
8139         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
8140         the destination of the li as well as for the neg.
8141
8142 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
8143
8144         g++/15861
8145         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
8146         * cgraph.h: Update declaration.
8147         * c-decl.c (build_cdtor): Update call with default priority.
8148         * coverage.c (create_coverage): Ditto.
8149         * tree-mudflap.c (mf_init_fndecl): New tree.
8150         (mudflap_init): Set it.
8151         (mudflap_register_call): Arrange to call __mf_init before the first
8152         __mf_register call.
8153         (mudflap_finish_file): Mark the mudflap static initializer as extra
8154         high priority, to beat all C++ static constructors.
8155
8156 2004-07-15  Jeff Law  <law@redhat.com>
8157
8158         * loop.c (check_insn_for_givs): Restore check for code labels that was
8159         accidentally deleted by a recent checkin.
8160
8161 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8162
8163         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
8164         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
8165
8166 2004-07-14  Richard Henderson  <rth@redhat.com>
8167
8168         * print-tree.c (print_node): Fix casts last change.
8169
8170 2004-07-15  Paul Brook  <paul@codesourcery.com>
8171
8172         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
8173         to TARGET_UNWIND_INFO.
8174         * except.c (output_function_exception_table): Ditto.
8175         * except.h: Ditto.
8176         * opts.c (decode_options): Ditto.
8177         * passes.c (rest_of_handle_final): Ditto.
8178         * final.c (final_start_function): Ditto.
8179         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
8180         target hook.
8181         * targhooks.h (default_unwind_emit): Declare.
8182         * targhooks.c (default_unwind_emit): New function.
8183         * target-def.h: Define and use TARGET_UNWIND_EMIT.
8184         * target.h (struct gcc_target): Add unwind_emit.
8185         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
8186         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
8187         Remove IA64_UNWIND_EMIT.
8188         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
8189
8190 2004-07-14  Richard Henderson  <rth@redhat.com>
8191
8192         * print-tree.c (print_node): Handle SSA_NAME.
8193
8194 2004-07-14  James E Wilson  <wilson@specifixinc.com>
8195
8196         PR target/16325
8197         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
8198         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
8199
8200 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8201
8202         * expr.c (expand_assignment): Reenable bitfield += optimizations.
8203         Use alias set 0 for memory, do proper mode calculations and adjust
8204         address for memories.
8205
8206 2004-07-14  Per Bothner  <per@bothner.com>
8207
8208         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
8209         structure with extra column field.
8210         * tree.c (expand_location):  Also fill in column field.
8211         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
8212         gets confused by the two conditionally-compiled definitions.
8213
8214 2004-07-14  Eric Christopher  <echristo@redhat.com>
8215
8216         * calls.c (expand_call): Fix typo in comment.
8217
8218 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
8219
8220         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
8221         comparision of TFmode.
8222
8223 2004-07-14  Richard Henderson  <rth@redhat.com>
8224
8225         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
8226         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
8227         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
8228         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8229         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8230         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8231         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8232         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8233         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8234
8235 2004-07-14  Mike Stump  <mrs@apple.com>
8236
8237         * config/darwin.h (WINT_TYPE): Define to be int to match
8238         system header files.
8239
8240 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
8241
8242         * config/xtensa/xtensa.c (function_arg_advance): Check for args
8243         that must be passed in the stack.
8244         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
8245         arguments if the size is not a constant.
8246
8247 2004-07-14  Per Bothner  <per@bothner.com>
8248
8249         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
8250         instead of EXPR_LOCUS in a boolean context, which is always true
8251         if --enable-mapped-location.
8252         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
8253
8254 2004-07-14  Richard Henderson  <rth@redhat.com>
8255
8256         * dominance.c (struct dom_info): Add fake_exit_edge.
8257         (init_dom_info): Allocate it.
8258         (free_dom_info): Free it.
8259         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
8260         in two passes.
8261         (calc_idoms): Honor fake_exit_edge.
8262
8263 2004-07-13  Jason Merrill  <jason@redhat.com>
8264
8265         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
8266         (rhs_test_for): New fn.
8267         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
8268         * tree-gimple.h: Declare them.
8269         * gimplify.c (gimplify_modify_expr): Use the new fns.
8270
8271 2004-07-14  Richard Henderson  <rth@redhat.com>
8272
8273         * config/arm/arm-protos.h (arm_va_arg): Remove.
8274         * config/arm/arm.c (arm_va_arg): Remove.
8275         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
8276         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
8277
8278 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8279
8280         * pa.c (fix_range): New function to mark a range(s) of registers as
8281         fixed registers.
8282         (override_options): Call fix_range if the -mfixed-range option string
8283         is not empty.
8284         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
8285         * doc/invoke.texi (-mfixed-range): Document new option.
8286
8287 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
8288
8289         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
8290         for TARGET_64BIT.
8291         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
8292
8293 2004-07-14  Roger Sayle  <roger@eyesopen.com>
8294
8295         * expmed.c (expand_sdiv_pow2): New function to expand signed division
8296         by a positive power of two, split out from expand_divmod.  Provide
8297         an alternate implementation when shifts are expensive.  Lower the
8298         threshold for using a branchless implementation to BRANCH_COST >= 2.
8299         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
8300
8301 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8302
8303         * tree-dfa.c (make_rename_temp): *Really* work just
8304         like create_tmp_var if called while outside SSA form.
8305
8306 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8307
8308         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
8309         for division by zero.
8310         ("umodsi3"): Likewise.
8311
8312 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8313
8314         * config/mips/mips.c (mips_output_move): When generating mips16 code,
8315         force loads of negative constants to be split.
8316         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
8317         Generalize SImode li/neg splitter to cope with other modes.
8318
8319 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8320
8321         * expmed.c: Remove more references to QUEUED in the comments.
8322         * expr.c: Likewise.
8323
8324 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8325
8326         Revert:
8327         2004-07-13  Richard Henderson  <rth@redhat.com>
8328         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
8329         correctly.
8330
8331 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8332
8333         * tree-dfa.c (make_rename_temp): Work just like
8334         create_tmp_var if called while outside SSA form.
8335
8336 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8337
8338         * expr.c (enqueue_insn, finish_expr_for_function,
8339         protect_from_queue, queued_subexp_p, mark_queue,
8340         emit_insns_enqueued_after_mark, emit_queue,
8341         expand_increment): Remove.
8342         (store_constructor): Expand increment as an assignment.
8343         (expand_expr_real_1 <case PREINCREMENT_EXPR,
8344         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
8345         case POSTDECREMENT_EXPR>): Abort.
8346         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
8347         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
8348         protect_from_queue, emit_queue, queued_subexp_p): Remove.
8349         * function.h (pending_chain, x_pending_chain): Remove.
8350         * rtl.def (QUEUED): Remove.
8351
8352         * emit-rtl.c (copy_insn_1, copy_most_rtx,
8353         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
8354         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
8355         encode_units_mask): Likewise.
8356         * local-alloc.c (equiv_init_varies_p): Likewise.
8357         * rtl.c (copy_rtx): Likewise.
8358         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8359         * simplify-rtx.c (simplify_gen_subreg): Likewise.
8360         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
8361
8362         * builtins.c (expand_builtin, expand_builtin_apply,
8363         expand_builtin_mathfn, expand_builtin_mathfn_2,
8364         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
8365         Remove calls to emit_queue and protect_from_queue.
8366         * calls.c (expand_call, precompute_arguments,
8367         precompute_register_parameters, rtx_for_function_call,
8368         store_one_arg): Likewise.
8369         * dojump.c (do_compare_and_jump, do_jump): Likewise.
8370         * explow.c (memory_address): Likewise.
8371         * expmed.c (clear_by_pieces_1, clear_storage,
8372         clear_storage_via_libcall, emit_group_load,
8373         emit_group_store, emit_store_flag,
8374         expand_expr_real_1, store_by_pieces,
8375         store_constructor, store_expr, try_casesi,
8376         try_tablejump): Likewise.
8377         * function.c (expand_pending_sizes): Likewise.
8378         * optabs.c (emit_cmp_and_jump_insns,
8379         emit_conditional_add, emit_conditional_move,
8380         expand_fix, expand_float, prepare_cmp_insn): Likewise.
8381         * stmt.c (emit_case_bit_tests,
8382         expand_asm_expr, expand_computed_goto,
8383         expand_decl_init, expand_end_case_type,
8384         expand_end_stmt_expr, expand_expr_stmt_value,
8385         expand_return, expand_start_case,
8386         optimize_tail_recursion): Likewise.
8387         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8388         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
8389
8390 2004-07-14  Ben Elliston  <bje@au.ibm.com>
8391
8392         * vec.h: Comment fix.
8393
8394 2004-07-13  Richard Henderson  <rth@redhat.com>
8395
8396         * target.h (struct gcc_target): Add calls.pass_by_reference.
8397         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
8398         * function.c (pass_by_reference): Use the hook.
8399         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
8400         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
8401         (hook_pass_by_reference_must_pass_in_stack): New.
8402         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
8403         (alpha_pass_by_reference): New.
8404         (TARGET_PASS_BY_REFERENCE): New.
8405         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8406         * config/arc/arc.c (arc_pass_by_reference): New.
8407         (TARGET_PASS_BY_REFERENCE): New.
8408         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8409         (FUNCTION_ARG_CALLEE_COPIES): True.
8410         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
8411         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
8412         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
8413         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8414         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8415         * config/cris/cris.c (cris_pass_by_reference): New.
8416         (TARGET_PASS_BY_REFERENCE): New.
8417         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
8418         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
8419         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8420         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
8421         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8422         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
8423         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
8424         (frv_function_arg_pass_by_reference): Remove.
8425         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8426         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
8427         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
8428         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
8429         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8430         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
8431         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
8432         (ia64_pass_by_reference): Rename from
8433         ia64_function_arg_pass_by_reference.
8434         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8435         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8436         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
8437         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
8438         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
8439         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8440         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8441         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
8442         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
8443         (m32r_pass_by_reference): Adjust prototype.  Make static.
8444         Handle mode sizes correctly.
8445         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8446         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
8447         (m68hc11_function_arg_pass_by_reference): Remove.
8448         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8449         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8450         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
8451         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8452         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
8453         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
8454         (mips_va_arg): Use pass_by_reference.
8455         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
8456         Handle mode sizes correctly.
8457         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8458         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8459         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
8460         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
8461         (mmix_pass_by_reference): Rename from
8462         mmix_function_arg_pass_by_reference.
8463         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8464         (FUNCTION_ARG_CALLEE_COPIES): True.
8465         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
8466         (mn10300_pass_by_reference): New.
8467         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8468         (FUNCTION_ARG_CALLEE_COPIES): True.
8469         * config/pa/pa.c (pa_pass_by_reference): New.
8470         (TARGET_PASS_BY_REFERENCE): New.
8471         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8472         (FUNCTION_ARG_CALLEE_COPIES): True.
8473         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
8474         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
8475         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
8476         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8477         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
8478         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
8479         (s390_pass_by_reference): Rename from
8480         s390_function_arg_pass_by_reference.
8481         (s390_function_arg_advance): Don't query pass-by-ref.
8482         (s390_function_arg): Likewise.
8483         (s390_gimplify_va_arg): Use pass_by_reference.
8484         (s390_call_saved_register_used): Likewise.
8485         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8486         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
8487         (shcompact_byref, sh_pass_by_reference): New.
8488         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8489         (SHCOMPACT_BYREF): Remove.
8490         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
8491         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
8492         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
8493         (sparc_gimplify_va_arg): Use pass_by_reference.
8494         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8495         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8496         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
8497         (v850_pass_by_reference): New.
8498         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8499         (FUNCTION_ARG_CALLEE_COPIES): True.
8500         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
8501         FUNCTION_ARG_PASS_BY_REFERENCE docs.
8502
8503 2004-07-14  Richard Henderson  <rth@redhat.com>
8504             Richard Sandiford  <rsandifo@redhat.com>
8505
8506         * config/mips/mips-protos.h (mips_va_arg): Delete.
8507         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
8508         * config/mips/mips.c: Include tree-gimple.h.
8509         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
8510         (mips_arg_info): Remove special handling of must_pass_in_stck args.
8511         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
8512         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
8513
8514 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
8515
8516         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
8517         arguments for COND_EXPR in big-endian adjustment code.
8518
8519 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8520
8521         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
8522         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
8523         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
8524         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
8525
8526 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8527
8528         PR tree-optimization/16443
8529         * tree-ssa-alias.c: Add more description for
8530         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
8531         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
8532         clobbering of call-clobbered and addressable variables.  If
8533         there are any before aliases have been computed, add them.
8534
8535 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8536
8537         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
8538         verification.
8539
8540 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
8541
8542         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
8543         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
8544         to the same type.
8545
8546 2004-07-13  Per Bothner  <per@bothner.com>
8547
8548         * collect2.c (main):  Handle --no-demangle and --demangle flags.
8549
8550 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
8551
8552         * Makefile.in (OBJS-common): Add tree-data-ref.o.
8553         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
8554         (tree-data-ref.o): New rule.
8555         * lambda.h: New file.
8556         * tree-data-ref.c: New file.
8557         * tree-data-ref.h: New file.
8558         * tree.c (int_cst_value, tree_fold_gcd): New functions.
8559         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
8560
8561 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8562
8563         PR target/13926
8564         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
8565         * config/sparc/sparc.c (output_ubranch): New function.
8566         * config/sparc/sparc.md (jump pattern): Use it.
8567
8568 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8569
8570         PR target/16494
8571         * config/sparc/sparc.c (output_cbranch): Properly guard
8572         the code handling far branches with TARGET_V9.
8573         * config/sparc/sparc.md (length attribute): Document the
8574         side-effect of having a length greater or equal to 3.
8575
8576 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8577             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
8578
8579         PR target/15186
8580         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
8581         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
8582
8583 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8584             Martin Sebor  <sebor@roguewave.com>
8585
8586         PR target/12602
8587         * doc/invoke.texi (SPARC options): Document -threads
8588         and -pthreads on Solaris.
8589
8590 2004-07-13  Richard Henderson  <rth@redhat.com>
8591
8592         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
8593         by reference.
8594         (ind_gimplify_va_arg_expr): Remove.
8595         * tree.h (ind_gimplify_va_arg_expr): Remove.
8596         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
8597         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
8598         argsp to be null.
8599
8600         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
8601         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
8602         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
8603         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
8604         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
8605
8606 2004-07-13  Richard Henderson  <rth@redhat.com>
8607
8608         * function.c (pass_by_reference): New.
8609         (assign_parm_find_data_types): Use it.
8610         * calls.c (initialize_argument_information): Likewise.
8611         (emit_library_call_value_1): Likewise.
8612         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8613         * function.h (pass_by_reference): Declare.
8614
8615 2004-07-13  Richard Henderson  <rth@redhat.com>
8616
8617         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
8618         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
8619         * expr.h (MUST_PASS_IN_STACK): Remove.
8620         * system.h (MUST_PASS_IN_STACK): Poison.
8621         * tree.h (must_pass_in_stack_var_size): Declare.
8622         (must_pass_in_stack_var_size_or_pad): Declare.
8623         * calls.c (must_pass_in_stack_var_size): New.
8624         (must_pass_in_stack_var_size_or_pad): Rename from
8625         default_must_pass_in_stack.
8626         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
8627         (TARGET_MUST_PASS_IN_STACK): New.
8628         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
8629         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
8630         (TARGET_MUST_PASS_IN_STACK): New.
8631         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
8632         * config/frv/frv.c (frv_must_pass_in_stack): New.
8633         (TARGET_MUST_PASS_IN_STACK): New.
8634         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
8635         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
8636         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
8637         (ix86_must_pass_in_stack): Make static.
8638         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
8639         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
8640         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
8641         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
8642         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
8643         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
8644         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
8645         (mcore_must_pass_on_stack): Remove.
8646         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
8647         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
8648         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
8649         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
8650         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
8651         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
8652         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
8653         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
8654         (TARGET_MUST_PASS_IN_STACK): New.
8655         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
8656         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
8657         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
8658         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
8659         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
8660         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
8661         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
8662         MUST_PASS_IN_STACK.
8663
8664         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
8665         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
8666         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
8667         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
8668         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
8669         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
8670         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
8671         config/xtensa/xtensa.c: Use target hook.
8672
8673 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
8674
8675         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
8676         * configure: Rebuilt.
8677
8678 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8679
8680         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
8681         * config/mips/mips.h (mips_reg_names): Don't declare.
8682         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
8683         (TARGET_NAME_REGS): Delete.
8684         (TARGET_SWITCHES): Remove -mrnames.
8685         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
8686         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
8687         in REGISTER_NAMES.
8688         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
8689         (override_options): Remove handling of TARGET_NAME_REGS.
8690
8691 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8692
8693         * config/mips/mips.h (TARGET_*): Boolify.
8694
8695 2004-07-12  Nick Clifton  <nickc@redhat.com>
8696
8697         * config.gcc: Add sh-*-symbianelf target.
8698         * config/sh/sh.c: Add new target macros:
8699         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
8700         TARGET_CXX_IMPORT_EXPORT_CLASS.
8701         (sh_file_start): Create a definition of the .directive section.
8702         (sh_attribute): Add dllimport and dllexport attributes.
8703         * config/sh/symbian-pre.h: New file.
8704         * config/sh/symbian-post.h: New file.
8705         * config/sh/symbian.c: New file. Contains Symbian specific
8706         functions.
8707         * config/sh/sh-protos.h: Add prototypes for new functions
8708         provided by symbian.c.
8709         * config/sh/t-symbian: New file.
8710         * doc/extend.texi: Document support for dllimport and dllexport
8711         attributes by the sh-symbianelf target.
8712
8713 2004-07-12  James E Wilson  <wilson@specifixinc.com>
8714
8715         * Makefile.in (AR): Use @AR@ not ar.
8716         (NM): New.
8717         (AR_FOR_TARGET): Use $(AR) not ar for native.
8718         (NM_FOR_TARGET): Use $(NM) not nm for native.
8719         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
8720         * configure: Regenerate.
8721
8722 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
8723
8724         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
8725         special case.
8726         (ashldi3_sp64): Likewise.
8727
8728 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8729
8730         PR target/16477
8731         * pa.c (function_arg): Update comment.
8732         * pa.h (BLOCK_REG_PADDING): Define.
8733
8734 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8735
8736         PR tree-optimization/16461
8737         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
8738         arguments of phi nodes.
8739
8740 2004-07-12  Devang Patel  <dpatel@apple.com>
8741
8742         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
8743
8744 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
8745
8746         * function.c (expand_function_start): Ensure r_save is in Pmode.
8747         * calls.c (prepare_call_address): Ensure static_chain_value is
8748         in Pmode.
8749         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
8750         r_save_area are in Pmode.
8751         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
8752         fnaddr, and static_chain are in Pmode.
8753
8754 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
8755
8756         PR target/16445
8757         * config/ia64/ia64.c (bundling): Don't count ignored insns.
8758
8759 2004-07-12  Richard Henderson  <rth@redhat.com>
8760
8761         * target.h (struct gcc_target): Move gimplify_va_arg_expr
8762         next to build_builtin_va_list.
8763         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
8764         * builtins.c (gimplify_va_arg_expr): Likewise.
8765         * gimplify.c (copy_if_shared_r): Likewise.
8766
8767 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
8768
8769         * passes.c (rest_of_decl_compilation): Don't defer call of
8770         assemble_variable if its DECL_RTL is already set.
8771
8772 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
8773
8774         * cfgloop.h (struct loop): Add nb_iterations field.
8775         (current_loops): Declare.
8776         * tree-chrec.c (chrec_not_analyzed_yet,
8777         chrec_dont_know, chrec_known, count_ev_in_wider_type,
8778         chrec_contains_symbols_defined_in_loop): Remove the temporary
8779         hooks.
8780         * tree-flow-inline.h (loop_containing_stmt): New function.
8781         * tree-scalar-evolution.c: Add implementation.
8782         * tree-scalar-evolution.h: Add declarations.
8783
8784 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
8785
8786         PR rtl-optimization/15921
8787         * Makefile.in (global.o): Add recog.h.
8788
8789         * global.c (recog.h): Add the include-clause.
8790         (bb_info): New member earlyclobber.
8791         (allocate_bb_info, free_bb_info): Initialize/finish the new
8792         member.
8793         (earlyclobber_regclass, earlyclobber_regclass_length): The new
8794         global variables.
8795         (check_earlyclobber, regclass_intersect,
8796         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
8797         New functions.
8798         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
8799         (make_accurate_live_analysis): Modify pavin.
8800
8801 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
8802
8803         * tree-cfg.c (find_taken_edge): Statically compute the truth
8804         value of a predicate comparing an SSA_NAME to itself.
8805
8806 2004-07-12  Roger Sayle  <roger@eyesopen.com>
8807
8808         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
8809         rs6000 doesn't have shift-and-add or shift-and-sub instructions
8810         by returning the cost of a multiplication plus an addition.
8811
8812 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
8813
8814         PR tree-optimization/14107
8815         * gimplify.c (gimplify_return_expr): Accept a
8816         RETURN_EXPR with an error argument.
8817         * tree-optimize.c (init_tree_optimization_passes):
8818         Run pass_warn_function_return at -O0.
8819
8820 2004-07-12  Roger Sayle  <roger@eyesopen.com>
8821
8822         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
8823         index entry.
8824
8825 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
8826
8827         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
8828         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8829         * config/mips/3000.md: Add copyright notice.  Remove automota and
8830         function units; use generic ones instead.  Only define reservations
8831         for things that are different from generic.md.  Extend each clause
8832         to include r3900.
8833         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
8834         * config/mips/mips.md: Include them. Remove define_function_units.
8835         (alu, imuldiv): New automata and units.
8836
8837 2004-07-12  Ben Elliston  <bje@au.ibm.com>
8838
8839         * doc/invoke.texi (Optimize Options): Document -frename-registers
8840         not being enabled by default at -O3.
8841
8842 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8843
8844         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
8845         floating point additions, to keep real immediate constant positive.
8846         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
8847         into X + C, and leave positive real constants as X - C.
8848
8849 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8850
8851         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
8852
8853 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8854
8855         PR tree-optimization/15654
8856         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
8857
8858 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8859
8860         * builtins.c (fold_builtin_fputs): Don't bother converting the
8861         return type to integer_type_node, as we've already checked that
8862         the result will be ignored.
8863
8864         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
8865         that signed addition, subtraction, multiplication, division,
8866         remainder, negation and absolute value may potentially trap.
8867
8868         * fold-const.c (fold_ignored_result): New function to strip
8869         non-side-effecting tree nodes from an expression whose result
8870         is ignored.
8871         (fold_convert): Call fold_ignored_result when casting a value
8872         to VOID_TYPE.
8873         (omit_one_operand):  Call fold_ignored_result on the "omitted"
8874         operand when building a COMPOUND_EXPR.
8875         (pedantic_omit_one_operand): Likewise.
8876         * tree.h (fold_ignored_result): Prototype here.
8877         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
8878         when we're going to ignore the result.
8879
8880 2004-07-11  Richard Henderson  <rth@redhat.com>
8881
8882         PR tree-opt/16383
8883         * tree-ssa-ccp.c (fold_stmt_r): Split out...
8884         * tree.c (fields_compatible_p, find_compatible_field): ... new.
8885         * tree.h (fields_compatible_p, find_compatible_field): Declare.
8886         * tree-sra.c (sra_hash_tree): Hash fields by offset.
8887         (sra_elt_eq): Use fields_compatible_p.
8888         (generate_one_element_ref): Use find_compatible_field.
8889
8890 2004-07-11  Richard Henderson  <rth@redhat.com>
8891
8892         PR tree-opt/16422
8893         * tree-sra.c (generate_one_element_init): New.
8894         (generate_element_init): Use it.
8895         (scalarize_init): Push/pop gimplify context around it.
8896         (find_new_referenced_vars_1, find_new_referenced_vars): New.
8897         * gimplify.c (gimplify_expr): Allow SSA_NAME.
8898
8899 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8900
8901         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
8902         combine.c's combine_insn_cost.
8903         * rtl.h (insn_rtx_cost): Prototype here.
8904         * combine.c (combine_insn_cost): Delete function.
8905         (combine_validate_cost): Update callers of combine_insn_cost to
8906         call insn_rtx_cost instead.
8907         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
8908         requesting the rtx_cost of call and/or jump instructions.
8909
8910         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
8911         rtx_cost directly.  Don't request/use the cost of call or jump
8912         instructions.  Return -1 if the cost of any instruction can't be
8913         determined (or the BB contains a function call).
8914         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
8915         -1 (i.e. can't determine the cost of any instruction or the basic
8916         block contains a subroutine call).
8917         (find_if_case_2): Likewise.
8918
8919 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8920
8921         * rs6000.c (struct processor_costs): Change semantics of fields to
8922         include the COST_N_INSNS scaling, and update all initializers.
8923         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
8924         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
8925         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
8926         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
8927
8928 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8929
8930         * LANGUAGES: Remove obsolete information.
8931
8932 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
8933
8934         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
8935         SIGBUS signal frames, the PSW address points *to* the faulting
8936         instruction, not after it.
8937
8938 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
8939
8940         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
8941         added to TLS symbol addresses.
8942
8943 2004-07-11  Richard Henderson  <rth@redhat.com>
8944
8945         * expmed.c (init_expmed): Use stack-local structures for
8946         temporary rtl.  Don't recognize shifts.
8947
8948 2004-07-11  Richard Henderson  <rth@redhat.com>
8949
8950         * expr.c (store_expr): Don't fiddle subreg promotion for types
8951         with precision smaller than the mode.
8952
8953 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8954
8955         * tree.h (all_types_permanent): Remove.
8956
8957 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8958
8959         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
8960         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
8961         * langhooks.c (lhd_clear_binding_stack): Remove.
8962         * langhooks-def.h (lhd_clear_binding_stack,
8963         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8964         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
8965         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
8966         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8967         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
8968         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
8969         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
8970         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8971         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
8972         * tree.h (poplevel): Don't declare.
8973         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
8974         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8975         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
8976         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
8977         Remove.
8978
8979 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8980
8981         PR tree-optimization/16437
8982         * c-common.c (shorten_compare): Don't mark result of conversion to
8983         narrower signed type as overflowing.
8984         * fold-const.c (decode_field_reference): Determine whether
8985         signedness comes from outer type using precision rather than size.
8986
8987 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8988
8989         * configure.ac:  Alphabetize --enable-checking list, add
8990         missing valgrind entry.
8991         * configure:  Regenerate.
8992
8993 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8994
8995         * doc/install.texi (Testing):  Fix syntax in "make check" example.
8996
8997 2004-07-10  James E Wilson  <wilson@specifixinc.com>
8998
8999         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
9000
9001 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9002
9003         PR rtl-optimization/16001
9004         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
9005         niter_expr.
9006
9007 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
9008
9009         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
9010
9011 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
9012             James Morrison  <phython@gcc.gnu.org>
9013
9014         * doc/contrib.texi (Contributors): Add gfortran contributors and
9015         fix a couple of typos.
9016
9017 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9018
9019         PR rtl-optimization/15387
9020         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
9021         to incoming args space correctly.
9022
9023 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9024
9025         * pa.c (output_indirect_call): Only use %r2 as the link register in
9026         indirect calls with the long PA 2.0 pc-relative branch.
9027
9028 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
9029
9030         * config/i386/i386.c (override_options): Pick a 64-bit CPU
9031         for the default tuning if TARGET_64BIT.
9032
9033 2004-07-10  Richard Henderson  <rth@redhat.com>
9034
9035         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
9036         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
9037
9038 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
9039
9040         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
9041         * expmed.c (store_bit_field, extract_bit_field): Remove last
9042         argument.
9043         * builtins.c (expand_builtin_signbit): Adjust callers.
9044         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
9045         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
9046         * ifcvt.c (noce_emit_move_insn): Likewise.
9047         * stmt.c (expand_return): Likewise.
9048         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
9049         store_field, expand_expr_real_1): Likewise.
9050
9051 2004-07-10  Richard Henderson  <rth@redhat.com>
9052
9053         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
9054
9055 2004-07-09  Mike Stump  <mrs@apple.com>
9056
9057         * config/darwin.c (no_dead_strip): Add.
9058         (HAVE_DEAD_STRIP): Add.
9059         (darwin_emit_unwind_label): Ensure that we don't dead code strip
9060         the .eh label.
9061
9062 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9063
9064         * tree-ssa-loop-im.c: New file.
9065         * Makefile.in (tree-ssa-loop-im.o): Add.
9066         * cfgloop.c (superloop_at_depth): New function.
9067         * cfgloop.h (superloop_at_depth): Declare.
9068         * common.opt (ftree-lim): New flag.
9069         * expr.c (array_ref_up_bound): New function.
9070         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
9071         * timevar.def (TV_LIM): New timevar.
9072         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
9073         computing immediate uses of a phi node.
9074         * tree-flow.h (struct tree_ann_common_d): Add aux field.
9075         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
9076         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
9077         * tree-pass.h (pass_lim): Declare.
9078         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
9079         functions.
9080         (pass_lim): New pass structure.
9081         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
9082         * tree.c (in_array_bounds_p): New function.
9083         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
9084         (in_array_bounds_p, array_ref_up_bound): Declare.
9085         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
9086         * doc/passes.texi (tree-ssa-loop-im.c): Document.
9087
9088 2004-07-09  Richard Henderson  <rth@redhat.com>
9089
9090         * builtins.c (expand_builtin_stpcpy): Don't modify len.
9091
9092         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
9093         with prejudice.
9094
9095 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
9096
9097         * flags.h: Delete redundant prototypes that are being generated
9098         in options.h from common.opt.
9099         * common.opt: Add in the expository comments formerly in flags.h.
9100
9101 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9102
9103         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
9104         available for use only when TARGET_MMX/_SSE is set, and check for
9105         variable argument function if any register count is non-zero.
9106         (function_arg): Correctly suppress repeated warnings for passing SSE
9107         vectors are arguments without SSE enabled.
9108         (ix86_function_arg_boundary): Without SSE enabled, the use of what
9109         would be SSE register modes does no longer influence the alignment.
9110
9111 2004-07-09  Richard Henderson  <rth@redhat.com>
9112
9113         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
9114         Always align upward to arg boundary.  Use size_in_bytes/round_up.
9115         Maintain type-correctness of constants.
9116         * stor-layout.c (round_up, round_down): Special-case powers of 2.
9117
9118 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9119
9120         * config/sparc/sparc.c (*_costs): Scale instruction costs
9121         by COSTS_N_INSNS.
9122         (sparc_rtx_costs): Adjust as appropriate.
9123
9124 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9125
9126         * config/i386/mm3dnow.h: New.
9127         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
9128
9129 2004-07-09  Richard Henderson  <rth@redhat.com>
9130
9131         * simplify-rtx.c (simplify_const_relational_operation): Only
9132         look at bounds of scalar integers.
9133
9134 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9135
9136         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
9137
9138 2004-07-09  Andrew Pinski  <apinski@apple.com>
9139
9140         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
9141         always referenced.
9142         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
9143         UOBJC_METACLASS_decl.
9144
9145 2004-07-09  James E Wilson  <wilson@specifixinc.com>
9146
9147         PR target/16364
9148         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
9149         do return a parallel if hfa_mode == XFmode and mode == TImode.
9150
9151 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9152
9153         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
9154         permissible for unary plus.
9155
9156 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9157
9158         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
9159         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
9160         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
9161         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
9162         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
9163         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
9164         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
9165         (BUILTIN_xxxIMAX): New.
9166         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
9167         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
9168         BUILT_IN_PARITYIMAX.
9169
9170 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9171
9172         * config/sparc/sparc.h (processor_costs): Define.
9173         (sparc_costs): Declare.
9174         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
9175         hypersparc_costs, sparclet_costs, ultrasparc_costs,
9176         ultrasparc3_costs): New.
9177         (sparc_override_options): Set sparc_costs as appropriate.
9178         (sparc_rtx_costs): Use sparc_costs instead of messy
9179         conditionals.
9180
9181 2004-07-09  Steven Bosscher  <stevenb@suse.de>
9182
9183         * doc/md.texi (Processor pipeline description): Mention that
9184         the old pipeline description is deprecated.
9185
9186         * config/rs6000/7450.md (automaton ppc7450): Split up, move
9187         mciu_7450 function unit to...
9188         (automaton ppc7450mciu): ...new automaton.
9189
9190         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
9191         (schedule_block): Don't consider inserting bubbles.
9192         (sched_init): Don't initialize DFA bubbles.
9193         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
9194         TARGET_SCHED_DFA_BUBBLE): Remove.
9195         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
9196         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
9197         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
9198
9199         * stmt.c (conditional_context): Remove prototype.
9200         * tree.h (conditional_context): Remove.
9201         * tree-cfg.c (pre_insert_on_edge): Remove.
9202
9203         * c-common.h (c_expand_asm_operands): Remove prototype.
9204         * c-typeck.c (c_expand_asm_operands): Remove.
9205
9206 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9207
9208         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
9209         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
9210         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
9211         and V8QI are class SSE. All sufficiently small remaining vector modes
9212         must be passed in one or two integer registers.
9213         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
9214         returned in memory.
9215         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
9216         __builtin_ia32_pmuludq128 have non-uniform argument and return types
9217         and must thus be handled explicitly.
9218         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
9219         MMX and XMM regs.
9220         (movv8qi_internal, movv4hi_internal, movv2si_internal,
9221         movv2sf_internal): Permit moving between MMX and XMM registers (since
9222         MMX areguments and return values are passed in XMM registers).
9223         (sse2_umulsidi3): Correct type and mode.
9224
9225 2004-07-09  Richard Henderson  <rth@redhat.com>
9226
9227         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
9228
9229 2004-07-09  Eric Christopher  <echristo@redhat.com>
9230
9231         * config/rs6000/40x.md: Split into two automatons.
9232
9233 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9234             Andrew Pinski  <apinski@apple.com>
9235
9236         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
9237         on when we have more than one input file.
9238         (c_common_parse_file): Restore loop over all input files.
9239         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
9240
9241         * c-decl.c (set_type_context): New function.
9242         (pop_scope): Use it to set context of types.  When we
9243         encounter a TYPE_DECL, set the context of the attached type too.
9244         (pop_file_scope): Don't call cpp_undef_all here.
9245         (diagnose_mismatched_decls): Do not complain about a second
9246         definition of an 'extern inline' function if it's not in the
9247         same translation unit.  Do not complain about inline
9248         declaration after use if the use was in a different
9249         translation unit.
9250         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
9251         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
9252         the external scope.
9253         (pushdecl_top_level): Likewise.
9254         (grokdeclarator): Clarify what is going on with setting
9255         DECL_EXTERNAL on function types, a little.
9256         (c_write_global_declarations): Don't do anything if
9257         -fsyntax-only or errors have been encountered.
9258
9259 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9260
9261         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
9262
9263 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9264
9265         PR target/16459
9266         * pa.c (output_indirect_call): Use %r2 as the link register when
9267         calling $$dyncall with a pc-relative branch.
9268
9269 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
9270
9271         * doc/install.texi (Binaries): Mention OpenPKG.
9272
9273 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
9274
9275         Fix PR tree-optimization/15555
9276         * tree-dfa.c (dump_variable): If the variable is a pointer
9277         SSA_NAME, also dump its points-to information.
9278         * tree-flow.h (struct ptr_info_def): Add field
9279         is_dereferenced.
9280         (dump_points_to_info_for): Declare.
9281         (debug_points_to_info_for): Declare.
9282         * tree-optimize.c (init_tree_optimization_passes): Add a
9283         second alias analysis pass after DOM2.
9284         Move pass_del_pta to a later spot.
9285         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
9286         create a name tags when we find a dereferenced pointer.  Just
9287         mark the pointer dereferenced.
9288         (collect_points_to_info_for): Move code to clear points-to
9289         information to create_name_tags.
9290         (create_name_tags): New function.
9291         (compute_flow_sensitive_aliasing): Call it.
9292         (setup_pointers_and_addressables): Mark type tags for renaming
9293         here instead of ...
9294         (create_memory_tag): ... here.
9295         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
9296         (dump_points_to_info_for): Declare extern.
9297         (debug_points_to_info_for): New function.
9298
9299 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
9300
9301         * config/arc/arc.md: Switch to DFA-based scheduler description.
9302         * config/arc/arc.c: Switch to DFA-based scheduler description.
9303
9304 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9305
9306         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
9307         pointer.
9308
9309 2004-07-09  Richard Henderson  <rth@redhat.com>
9310
9311         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
9312         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9313         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
9314         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9315
9316         * config/v850/v850-protos.h (v850_va_arg): Remove.
9317         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9318         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
9319         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
9320         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
9321         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
9322
9323 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9324
9325         PR target/12133
9326         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
9327         and DImode to use +/-4k offset.
9328
9329 2004-07-09  Richard Henderson  <rth@redhat.com>
9330
9331         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
9332         Remove.
9333         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9334         (xstormy16_gimplify_va_arg_expr): Rewrite from
9335         xstormy16_expand_builtin_va_arg.
9336         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
9337
9338         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
9339         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
9340
9341         * config/sh/sh-protos.h (sh_va_arg): Remove.
9342         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9343         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
9344         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
9345
9346         * config/pa/pa-protos.h (hppa_va_arg): Remove.
9347         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9348         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
9349         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9350
9351         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
9352         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9353         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
9354         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
9355
9356 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9357
9358         * config/sparc/sparc.md (return): Rewrite length formula.
9359         * config/sparc/sparc.c (output_return): Pass 1 as 5th
9360         argument to final_scan_insn when in a delay slot.
9361         (output_sibcall): Likewise.
9362
9363 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9364
9365         * arm.c (arm_cpp_interwork): New variable.
9366         (arm_override_options): Set it if TARGET_INTERWORK was on the command
9367         line.
9368         * arm.h (arm_cpp_interwork): Declare it.
9369         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
9370         __THUMB_INTERWORK__ in the preprocessor.
9371
9372 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
9373
9374         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
9375
9376 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9377
9378         PR target/16416
9379         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
9380         Override default settings to account for -m32 and -m64.
9381
9382 2004-07-08  Randolph Chung  <tausq@debian.org>
9383
9384         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
9385
9386 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
9387
9388         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
9389         before comparing it as such.
9390
9391 2004-07-08  Richard Henderson  <rth@redhat.com>
9392
9393         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
9394         temporary.  Use bit arithmetic to align.
9395
9396 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
9397
9398         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
9399         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
9400         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
9401         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
9402         add_labels_and_missing_jumps, find_jump_block,
9403         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
9404         Likewise.
9405         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
9406         link_btr_uses, move_btr_def): Likewise.
9407         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
9408         expand_builtin_expect_jump): Likewise.
9409         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
9410         * calls.c (expand_call, emit_library_call_value_1): Likewise.
9411         * cfganal.c (forwarder_block_p): Likewise.
9412         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
9413         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
9414         find_bb_boundaries): Likewise.
9415         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9416         merge_blocks_move_predecessor_nojumps,
9417         merge_blocks_move_successor_nojumps, insns_match_p,
9418         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
9419         try_optimize_cfg): Likewise.
9420         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
9421         * cfglayout.c (skip_insns_after_block, label_for_bb,
9422         record_effective_endpoints, insn_locators_initialize,
9423         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
9424         * cfgmainloop.c (create_loop_notes): Likewise.
9425         * cfgrtl.c (delete_insn, delete_insn_chain,
9426         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
9427         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
9428         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
9429         redirect_branch_edge, force_nonfallthru_and_redirect,
9430         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
9431         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
9432         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
9433         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
9434         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
9435         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
9436         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
9437         * combine.c (combine_instructions, can_combine_p, try_combine,
9438         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
9439         distribute_notes, distribute_links, insn_cuid): Likewise.
9440         * cse.c (fold_rtx, cse_insn, cse_around_loop,
9441         invalidate_skipped_block, cse_set_around_loop,
9442         cse_end_of_basic_block, cse_main, cse_basic_block,
9443         cse_condition_code_reg): Likewise.
9444         * cselib.c (cselib_process_insn): Likewise.
9445         * ddg.c (create_ddg): Likewise.
9446         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
9447         Likewise.
9448         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
9449         gen_label_die, dwarf2out_var_location): Likewise.
9450         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
9451         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
9452         last_call_insn, active_insn_p, next_label, prev_label,
9453         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
9454         add_insn_before, remove_insn, add_function_usage_to,
9455         reorder_insns, find_line_note, remove_unnecessary_notes,
9456         emit_insn_after_1, classify_insn): Likewise.
9457         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
9458         connect_post_landing_pads, sjlj_mark_call_sites,
9459         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
9460         can_throw_internal, can_throw_external, set_nothrow_function_flags,
9461         convert_to_eh_region_ranges): Likewise.
9462         * explow.c (optimize_save_area_alloca): Likewise.
9463         * expr.c (expand_expr_real): Likewise.
9464         * final.c (insn_current_reference_address, compute_alignments,
9465         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
9466         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
9467         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
9468         propagate_block_delete_insn, propagate_one_insn,
9469         init_propagate_block_info, propagate_block, libcall_dead_p,
9470         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
9471         Likewise.
9472         * function.c (instantiate_virtual_regs, reorder_blocks_1,
9473         expand_function_start, expand_function_end, contains,
9474         thread_prologue_and_epilogue_insns,
9475         reposition_prologue_and_epilogue_notes): Likewise.
9476         * gcse.c (constprop_register, bypass_conditional_jumps,
9477         insert_insn_end_bb, gcse_after_reload): Likewise.
9478         * genemit.c (gen_expand, gen_split): Likewise.
9479         * genpeep.c (gen_peephole, main): Likewise.
9480         * global.c (build_insn_chain): Likewise.
9481         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
9482         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
9483         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
9484         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
9485         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
9486         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
9487         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
9488         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
9489         dead_or_predicable): Likewise.
9490         * integrate.c (try_constants): Likewise.
9491         * jump.c (rebuild_jump_labels, cleanup_barriers,
9492         purge_line_number_notes, init_label_info, mark_all_labels,
9493         squeeze_notes, get_label_before, get_label_after,
9494         reversed_comparison_code_parts, simplejump_p, pc_set,
9495         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
9496         delete_barrier, delete_prior_computation, delete_computation,
9497         delete_related_insns, delete_for_peephole, redirect_jump):
9498         Likewise.
9499         * lcm.c (optimize_mode_switching): Likewise.
9500         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
9501         Likewise.
9502         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
9503         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
9504         * loop-iv.c (simplify_using_assignment): Likewise.
9505         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
9506         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
9507         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
9508         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
9509         check_insn_for_givs, check_final_value, update_giv_derive,
9510         basic_induction_var, product_cheap_p, check_dbra_loop,
9511         loop_insn_first_p, last_use_this_basic_block,
9512         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
9513         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
9514         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
9515         sms_schedule_by_order): Likewise.
9516         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
9517         * postreload.c (reload_cse_simplify_operands, reload_combine,
9518         reload_cse_move2add): Likewise.
9519         * predict.c (can_predict_insn_p, estimate_probability,
9520         expected_value_to_br_prob, process_note_predictions): Likewise.
9521         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
9522         * profile.c (branch_prob): Likewise.
9523         * ra-build.c (live_out_1, livethrough_conflicts_bb,
9524         detect_webs_set_in_cond_jump): Likewise.
9525         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
9526         ra_print_rtl_with_bb): Likewise.
9527         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
9528         * recog.c (next_insn_tests_no_inequality, find_single_use,
9529         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
9530         * reg-stack.c (next_flags_user, record_label_references,
9531         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
9532         compensate_edge, convert_regs_1): Likewise.
9533         * regclass.c (scan_one_insn): Likewise.
9534         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9535         regmove_optimize, fixup_match_1, single_set_for_csa,
9536         combine_stack_adjustments_for_block): Likewise.
9537         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
9538         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
9539         find_equiv_reg): Likewise.
9540         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
9541         reload_as_needed, emit_input_reload_insns, do_output_reload,
9542         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
9543         Likewise.
9544         * reorg.c (find_end_label, emit_delay_sequence,
9545         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
9546         get_jump_flags, rare_destination, mostly_true_jump,
9547         try_merge_delay_insns, redundant_insn, own_thread_p,
9548         fill_simple_delay_slots, fill_slots_from_thread,
9549         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
9550         dbr_schedule): Likewise.
9551         * resource.c (find_basic_block, next_insn_no_annul,
9552         find_dead_or_set_registers, mark_target_live_regs): Likewise.
9553         * rtl.h (RTX_PREV): Likewise.
9554         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
9555         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
9556         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
9557         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
9558         tablejump_p, computed_jump_p, insns_safe_to_move_p,
9559         find_first_parameter_load, can_hoist_insn_p): Likewise.
9560         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
9561         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
9562         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
9563         schedule_ebbs): Likewise.
9564         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
9565         is_conditionally_protected, can_schedule_ready_p,
9566         add_branch_dependences, debug_dependencies): Likewise.
9567         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
9568         Likewise.
9569         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
9570         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
9571         set_dominates_use, ujump_to_loop_cont): Likewise.
9572         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
9573         * varasm.c (output_constant_pool_1): Likewise.
9574
9575 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9576
9577         * tree-scalar-evolution.c: New file.
9578         * tree-scalar-evolution.h: New file.
9579         * tree-ssa-loop-niter.c: New file.
9580         * Makefile.in (SCEV_H): New.
9581         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
9582         * cfgloop.h (struct loop): Add bounds field.
9583         * tree-flow.h (struct tree_niter_desc): New type.
9584         (number_of_iterations_cond, number_of_iterations_exit,
9585         loop_niter_by_eval, find_loop_niter_by_eval,
9586         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
9587         free_numbers_of_iterations_estimates): Declare.
9588         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
9589         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
9590         * doc/invoke.texi (max-iterations-to-track): Document.
9591
9592 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
9593
9594         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
9595         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
9596         (MODE_AFTER): Add cast appropriately.
9597         * config/sh/sh.md (movdi splitter): Likewise.
9598         (casesi_worker_2): Add const qualifier appropriately.
9599         (eh_return): Remove unused variable.
9600         (insv): Initialize v;
9601
9602 2004-07-08  Richard Henderson  <rth@redhat.com>
9603
9604         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
9605         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9606         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
9607         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
9608         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
9609
9610         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
9611         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9612         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
9613         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
9614
9615         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
9616         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9617         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
9618         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
9619
9620         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
9621         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9622         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
9623         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
9624
9625         * config/i860/i860-protos.h (i860_va_arg): Remove.
9626         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9627         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
9628         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
9629
9630 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9631
9632         * system.h: Prototype getpagesize if missing.
9633         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
9634         * configure: Regenerate.
9635         * config.in: Regenerate.
9636
9637 2004-07-08  Richard Henderson  <rth@redhat.com>
9638
9639         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
9640         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9641         (fr30_gimplify_va_arg_expr): New.
9642         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
9643         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
9644
9645 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
9646
9647         PR target/16414
9648         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
9649         of asm_noperands result.
9650
9651 2004-07-08  Richard Henderson  <rth@redhat.com>
9652
9653         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
9654         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9655         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
9656         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
9657
9658 2004-07-08  Richard Henderson  <rth@redhat.com>
9659
9660         * builtins.c (ind_gimplify_va_arg_expr): New.
9661         * tree.h (ind_gimplify_va_arg_expr): Declare.
9662         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
9663
9664 2004-07-08  Jan Beulich  <jbeulich@novell.com>
9665
9666         * expmed.c (extract_bit_field): Correct condition to use vec_extract
9667         patterns also on vector elements other than the first one.
9668         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
9669         break statements.
9670
9671 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
9672
9673         * config/rs6000/darwin-ldouble.c: Correct reference
9674         to the Linnainmaa paper.
9675
9676 2004-07-08  Richard Henderson  <rth@redhat.com>
9677
9678         * config/arc/arc-protos.h (arc_va_arg): Remove.
9679         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9680         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
9681         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
9682
9683         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
9684         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9685         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
9686         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
9687
9688 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9689
9690         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
9691
9692 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9693
9694         * c-decl.c (static_ctors, static_dtors): Make static.
9695         (pop_file_scope): Call c_common_write_pch and
9696         cgraph_finalize_compilation_unit here.
9697         (build_cdtor): Moved here from c-objc-common.c; simplify.
9698         (c_write_global_declarations_1): Clarify comment.
9699         (c_write_global_declarations): Close the external scope before
9700         doing anything else.  Call build_cdtor, cgraph_optimize, and
9701         mudflap_finish_file here.
9702         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
9703         Clarify comment.
9704         * c-objc-common.c: No need to include cgraph.h.
9705         (build_cdtor): Moved to c-decl.c.
9706         (c_objc_common_finish_file): Delete.
9707         * c-tree.h: Update to match.
9708         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
9709         (generate_static_references): Set TREE_USED before calling finish_decl.
9710         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
9711         on the static_instances_decl.
9712
9713 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9714
9715         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
9716         decls when there is only one input translation unit.
9717         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
9718         change of 2004-07-05; do not treat declarations with
9719         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
9720         * opts.c (cur_in_fname): Delete.
9721         * opts.h: Likewise.
9722         * tree.c: Revert changes of 2004-07-05; no special treatment
9723         for TRANSLATION_UNIT_DECLs.
9724         * Makefile.in (tree.o): Update dependencies.
9725
9726 2004-07-08  Roger Sayle  <roger@eyesopen.com>
9727
9728         * builtins.c (fold_builtin_strcpy): Merge functionality from
9729         simplify_builtin_strcpy.  Add additional len argument.  No longer
9730         static.  Remove function prototype.
9731         (fold_builtin_strncpy): Likewise integrate functionality from
9732         simplify_builtin_strncpy.  Add additional slen argument.  No
9733         longer static.  Remove function prototype.
9734         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
9735         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
9736         types of "ignore" and "unlocked" parameters to bool.
9737         (fold_builtin_1):  Add additional ignore argument.  Call renamed
9738         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
9739         builtins.  Update arguments to fold_builtin_strncpy and
9740         fold_builtin_strcpy.  Add function prototype.
9741         (fold_builtin): Add additional Boolean ignore argument to pass
9742         to fold_builtin_1.
9743         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
9744         and fold_builtin_strncpy instead of simplify_builtin_fputs,
9745         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
9746
9747         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
9748         simplify_builtin_strncpy): Delete function prototypes.
9749         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
9750         fold_builtin_strncpy): Add function prototypes here.
9751         (fold_builtin): Update function prototype with new "bool ignore".
9752
9753         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
9754         (ccp_fold_builtin):  Update call to fold_builtin.  Call
9755         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
9756         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
9757         simplify_builtin_strncpy respectively.
9758         * fold-const.c (fold): Update call to fold_builtin.
9759
9760 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
9761
9762         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
9763         to strcpy.
9764
9765         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
9766         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
9767         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
9768         * calls.c: Remove ifdefs of macros above.
9769         * functions.c: Likewise.
9770         * expr.c: Likewise.
9771
9772 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9773
9774         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
9775         (arch attribute): Delete.
9776         (current_function_calls_alloca attribute): Rename into calls_alloca.
9777         (calls_eh_return): New attribute.
9778         (leaf_function): Likewise.
9779         (length attribute): Fix formula for sibcalls.
9780         (return insn): Correctly compute the 'length' attribute.
9781         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
9782
9783 2004-07-08  Richard Henderson  <rth@redhat.com>
9784
9785         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
9786         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
9787         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
9788         * tree-eh.c (lower_eh_constructs_1): Likewise.
9789         * tree-sra.c (sra_walk_modify_expr): Likewise.
9790         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9791         (eliminate_unnecessary_stmts): Likewise.
9792         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9793         * tree-tailcall.c (optimize_tail_call): Likewise.
9794         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
9795
9796 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9797             Jakub Jelinek  <jakub@redhat.com>
9798
9799         * config/i386/i386.c (override_options): Enable
9800         SSE prefetches with -mtune, as long as we are
9801         compiling for i686 or higher.  All i686 processors
9802         accept SSE prefetches as NOPS, some i586's don't.
9803
9804 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9805
9806         PR target/10567
9807         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
9808
9809 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9810
9811         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
9812         the handling of clobbering ASM_EXPRs.
9813
9814 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9815
9816         PR target/16430
9817         * config/sparc/sparc.c (function_value): In 64-bit mode,
9818         return the aggregates larger than 16 bytes like unions.
9819
9820 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9821
9822         PR target/16199
9823         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
9824         'temp' is zero, generate new pseudos as needed and emit the
9825         sequence of insns in single-assignment form.  Resync comments
9826         with code.
9827         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
9828         function before reload.
9829
9830 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
9831
9832         * vec.c (vec_assert_fail): Remove duplicate 'function'.
9833
9834         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
9835
9836         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
9837         Allocation is signed.
9838         (VEC_reserve): Return flag, allocation is signed.
9839
9840 2004-07-08  Richard Henderson  <rth@redhat.com>
9841
9842         * tree-ssa-ccp.c (fold_stmt): Get type directly from
9843         OBJ_TYPE_REF_OBJECT.
9844
9845 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
9846             Neil Booth  <neil@daikokuya.co.uk>
9847
9848         PR c/2511
9849         PR c/3325
9850         * c-decl.c (finish_struct): Ensure bit-fields are given the
9851         correct type.
9852         * c-common.c (c_common_signed_or_unsigned_type): For C, require
9853         the precision to match as well as the mode.
9854         * expr.c (reduce_to_bit_field_precision): New function.
9855         (expand_expr_real_1): Reduce expressions of bit-field type to
9856         proper precision.
9857         * langhooks.h (reduce_bit_field_operations): New hook.
9858         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
9859         Define.
9860         * c-lang.c, objc/objc-lang.c
9861         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
9862         * objc/objc-act.c (check_ivars): Convert types to bit-field types
9863         before checking.
9864         * tree.c (build_nonstandard_integer_type): New function.
9865         * tree.h (build_nonstandard_integer_type): New prototype.
9866         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
9867         conversions between integer and boolean types as useless.
9868
9869 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9870
9871         * c-common.c (c_common_nodes_and_builtins): Do not
9872         create __builtin_ptrdiff_t and __builtin_size_t.
9873
9874 2004-07-08  Andrew Pinski  <apinski@apple.com>
9875
9876         * Makefile.in (libbackend.o): Add -combine to the gcc
9877         command line.
9878
9879 2004-07-08  Nick Clifton  <nickc@redhat.com>
9880
9881         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
9882         Set to -Os.
9883
9884 2004-07-08  Richard Henderson  <rth@redhat.com>
9885
9886         * except.c (expand_eh_region_start, expand_eh_region_end,
9887         expand_eh_handler, expand_eh_region_end_cleanup,
9888         expand_start_all_catch, expand_start_catch, expand_end_catch,
9889         expand_end_all_catch, expand_eh_region_end_allowed,
9890         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
9891         expand_eh_region_end_fixup): Remove.
9892         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
9893         cleanups, outer_cleanups, label_chain, exception_region.
9894         (struct goto_fixup): Remove stack_level, cleanup_list_list.
9895         (struct label_chain): Remove.
9896         (struct stmt_status): Remove x_stack_block_stack.
9897         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
9898         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
9899         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
9900         end_cleanup_deferral, last_cleanup_this_contour,
9901         containing_blocks_have_cleanups_or_stack_level,
9902         any_pending_cleanups): Remove.
9903         (expand_null_return_1): Take no arguments.
9904         (expand_label, expand_naked_return, expand_return,
9905         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
9906         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
9907         expand_end_case_type): Don't use any of them.
9908         * calls.c (expand_call): Likewise.
9909         * dojump.c (do_jump): Likewise.
9910         * function.c (expand_function_end): Likewise.
9911         * expr.c (store_expr, expand_expr_real_1): Likewise.
9912         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
9913         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
9914         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
9915         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
9916         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
9917         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
9918         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
9919         for WITH_CLEANUP_EXPR.
9920         (gimple_push_cleanup): Likewise.
9921         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
9922         * print-tree.c (print_node): Likewise.
9923         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
9924         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
9925         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
9926         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
9927         (GOTO_SUBROUTINE_EXPR): Remove.
9928         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
9929         (DECL_TOO_LATE): Remove.
9930         * except.h, tree.h: Update decls.
9931
9932 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9933
9934         * explow.c (optimize_save_area_alloca): Do not accept parameters.
9935         * passes.c (rest_of_handle_final): Handle symout.
9936         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
9937         Push timevar here.
9938         (rest_of_handle_sched): Break out SMS.  Remove ifs for
9939         flag_schedule_insns and flag_modulo_sched.
9940         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
9941         collect at the end.
9942         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
9943         (rest_of_handle_partition_blocks, rest_of_handle_sms,
9944         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
9945         rest_of_handle_mode_switching, rest_of_handle_jump,
9946         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
9947         rest_of_handle_jump2, rest_of_handle_postreload,
9948         rest_of_handle_flow2, rest_of_clean_state,
9949         rest_of_handle_shorten_branches,
9950         rest_of_handle_prologue_epilogue,
9951         rest_of_handle_branch_target_load_optimize): New.
9952         (rest_of_compilation): Call the above.  Remove ggc_collect
9953         calls moved to rest_of_handle_*.
9954         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
9955
9956         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
9957         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
9958         * except.h (set_nothrow_function_flags): Update comment.
9959         * function.c (current_function_nothrow): Remove.
9960         * output.h (current_function_nothrow): Remove.
9961         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
9962         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
9963
9964 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9965
9966         PR bootstrap/16326
9967         * reorg.c: Revert 2004-06-30 change.
9968         (find_end_label): If HAVE_epilogue and !HAVE_return,
9969         return 0 instead of creating a label at the end of the insn chain.
9970         (optimize_skip): Account for the failure mode of find_end_label.
9971         (fill_simple_delay_slots): Likewise.
9972         (fill_slots_from_thread): Likewise.
9973         (relax_delay_slots): Likewise.
9974
9975 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9976
9977         * tree-flow.h (addressable_vars): Declare.
9978         * tree-ssa-alias.c (addressable_vars): Define.
9979         (setup_pointers_and_addressables): Add addressable variables
9980         to addressable_vars.
9981         * tree-ssa-operands.c (get_stmt_operands): Move
9982         handling of ASM_EXPRs ...
9983         (get_asm_expr_operands): ... here.
9984         When the ASM_EXPR clobbers memory, also clobber addressable
9985         variables.
9986         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
9987         (delete_tree_ssa): Reset addressable_vars.
9988
9989 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9990             Richard Henderson  <rth@redhat.com>
9991
9992         * varasm.c (assemble_variable): Use assemble_zeros for
9993         zero-initialized variables.
9994         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
9995         for SECCAT_BSS and SECCAT_TBSS.
9996
9997 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9998
9999         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
10000
10001         * expmed.c (emit_store_flag): Also special-case double-word
10002         (in-)equality comparison against -1.
10003
10004         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
10005         passing arguments the containers for which are registers.
10006
10007         * calls.c (emit_library_call_value_1): Use mode of function parameter
10008         rather than that of argument since constants have none.
10009
10010 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10011
10012         Introduce H8SX support.
10013         * expr.c (expand_strcpy): Renamed and moved to...
10014         * builtins.c (expand_movstr): ... here.  Tweak.
10015         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
10016         computed or has side effects.
10017         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
10018         unused, or if mempcpy fails.  Adjust the return value in the
10019         latter case.  Use movstr if everything else fails.
10020         * doc/md.texi (movstr): Document.
10021         (movmemM, clrmemM): Fix explanation of memory block operands.
10022         * config/h8300/h8300.md (stpcpy): Renamed to...
10023         (movstr): ... this.  Adjust.
10024         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10025         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
10026         movmem* and clrstr* to clrmem*.
10027         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
10028         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
10029         GENERAL_REGS, always.
10030         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
10031         getting the stack pointer as addr.
10032         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
10033         from general_operand_dst.
10034         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
10035         variant of...
10036         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
10037         instead of requiring it to match only before reload.
10038         (stpcpy_internal_normal): New, normal-mode variant of...
10039         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
10040         `D' instead of requiring it to match only before reload.
10041         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
10042         mode argument.
10043         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
10044         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
10045         h8300_get_index.
10046         * config/h8300/h8300.md (attr type): Add call.
10047         (attr can_delay): If type is call, set it no.
10048         (call, call_value): Set type to call.
10049         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
10050         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
10051         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
10052         * tree.c (get_narrower): Don't narrow integral types into
10053         non-integral types.
10054         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
10055         frame_size *before* the first use.
10056         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
10057         on input.
10058         (peephole2): Don't widen instructions that push SP.  Move
10059         decrement of SP to the end of all stm-generating peepholes.
10060         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10061         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
10062         and OR to set it to all ones.
10063         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10064         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
10065         (call, call_value): Set can_delay to "no".
10066         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
10067         * config/h8300/h8300.md (extzv): Make subreg check more robust.
10068         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10069         * config/h8300/h8300.md (*brabit): Remove.
10070         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
10071         zero_extract.  Use bit_memory_operand as the predicate for
10072         operand 1 and 'WU' as the constraint.  Check the difference
10073         between the base length and the final one when deciding which
10074         type of branch to use.
10075         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10076         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
10077         Use convert_move to extend the result for TARGET_H8300SX.  Check
10078         for QImode memory references.  Optimize the case where the
10079         destination is a paradoxical subreg.
10080         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10081         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
10082         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
10083         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10084         * config/h8300/h8300.md: Include mova.md
10085         (length_table): Add mova and mova_zero.
10086         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
10087         after all constant addresses for '%R', '%X', '%T' and '%S'.
10088         (h8300_mova_length): New function.
10089         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
10090         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
10091         dependencies for s-config, etc.
10092         * config/h8300/gemova.sh: New file.
10093         * config/h8300/mova.md: Generated.
10094         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
10095         * config/h8300/h8300.c (h8300_bitfield_length): New.
10096         (nibble_operand): Adjust.
10097         (h8300_binary_length): Handle conditional binary op.
10098         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
10099         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
10100         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
10101         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
10102         constraints.  WU is introduced as a variant of U that requires a
10103         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
10104         * config/h8300/h8300.md (attr type): Added bitbranch.
10105         (attr length_table): Added bitfield and bitbranch.
10106         (attr length): Compute bitbranch length.
10107         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
10108         least-significant bit of a byte.
10109         (brabit, brabc, brabs): New.
10110         (insv, extzv): Emit bfst and bfld on H8300SX.
10111         (bfld, bfst, seq, sne): New.
10112         (bstzhireg, cmpstz, bstz, bistz): New.
10113         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
10114         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
10115         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
10116         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
10117         (h8sx_unary_memory_operator): New function.
10118         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
10119         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
10120         * config/h8300/h8300.md: Add peepholes to combine reloads and
10121         arithmetic insns.
10122         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10123         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
10124         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
10125         (and?i, ior?i, xor?i): Likewise.
10126         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10127         * config/h8300/h8300.c: Move enums and prototypes to head of file.
10128         Various whitespace fixes.
10129         (h8300_constant_length): New function, split out from...
10130         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
10131         (h8300_classify_operand): Use IN_RANGE.
10132         (h8300_classify_operand): Use h8300_constant_length.
10133         (h8300_short_move_mem_p): Tighten size check.
10134         (h8sx_mergeable_memrefs_p): Tighten equality check.
10135         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
10136         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
10137         for -msx.
10138         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
10139         * config/h8300/crtn.asm: Likewise.
10140         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
10141         if __H8300SX__ is defined.
10142         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
10143         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
10144         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
10145         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
10146         addresses as mode-dependent.
10147         * config/h8300/h8300.c (print_operand_address): Update call to
10148         h8300_get_index.
10149         (h8300_get_index): Take a mode argument.  Rework to fix an
10150         earlier misunderstanding.
10151         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
10152         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
10153         into a register if TARGET_H8300SX.
10154         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
10155         TARGET_H8300SX.  Also disable related define_splits.
10156         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
10157         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
10158         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
10159         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10160         * config/h8300/h8300.h (OK_FOR_Z): New macro.
10161         (EXTRA_CONSTRAINT_STR): Check it.
10162         * config/h8300/h8300.c (h8300_classify_operand): Accept null
10163         class arguments.
10164         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
10165         * config/h8300/h8300.md (length_table): Add mov_imm4.
10166         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
10167         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10168         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
10169         be a label.
10170         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
10171         * config/h8300/h8300.c (h8300_reorg): New function.
10172         (TARGET_MACHINE_DEPENDENT_REORG): Define.
10173         * config/h8300/h8300.md (length): Subtract the length of the
10174         delay slot from (pc) when checking the range of forward branches.
10175         (delay_slot, can_delay): New attributes.
10176         (define_delay): Add bra/s handling.
10177         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
10178         (jump): Add delayed-branch handling.
10179         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
10180         * expr.c (expand_strcpy): New function.
10181         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
10182         (expand_builtin_stpcpy): Likewise.
10183         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
10184         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
10185         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
10186         handling to improve register allocation for -fno-omit-frame-pointer.
10187         (h8sx_split_movmd): Delete, moving er6 handling into...
10188         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
10189         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
10190         (movmd): Add calls to copy_rtx.
10191         (movmd_internal): In the second alternative, allow the initial and
10192         final destination registers to be different .  Update the splitter
10193         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
10194         instead of h8sx_split_movmd.
10195         (stpcpy, movsd): New expanders.
10196         (movsd_internal): New define_insn.
10197         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
10198         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
10199         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
10200         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
10201         and DESTINATION_REGS.
10202         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
10203         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
10204         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
10205         (h8300_move_ratio): Declare.
10206         (MOVE_RATIO): Use it.
10207         * config/h8300/h8300.c (h8300_move_ratio): New variable.
10208         (h8300_init_once): Initialize it.
10209         (h8300_reg_class_from_letter): New function.
10210         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
10211         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
10212         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
10213         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
10214         (movstrsi, movmd): New expanders.
10215         (movmd_internal): New insn.
10216         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
10217         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
10218         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
10219         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
10220         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
10221         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10222         * config/h8300/h8300.c (nibble_operand): Fix warning.
10223         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
10224         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
10225         (movsf_h8300h): Disable for TARGET_H8300SX.
10226         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10227         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
10228         h8300_stm_parallel and h8300_return_parallel.
10229         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
10230         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
10231         h8300_stm_parallel, h8300_return_parallel): New functions.
10232         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
10233         if TARGET_H8300SX.  Use h8300_push_pop.
10234         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
10235         and final pop when generating h8sx code.  Always emit some form
10236         of return insn.
10237         * config/h8300/h8300.md: Don't enforce register alignment in
10238         stm peepholes if TARGET_H8300SX.
10239         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
10240         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
10241         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
10242         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10243         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
10244         (MULTILIB_DIRNAMES): Add a directory for it.
10245         (MULTILIB_MATCHES): Delete.
10246         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10247         * final.c (walk_alter_subreg): Handle addresses with subregs
10248         inside a ZERO_EXTEND or AND.
10249         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
10250         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
10251         if TARGET_H8300SX.
10252         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
10253         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
10254         @(dd,Rn.w) and @(dd,ERn.L).
10255         (h8300_displacement_size): Take the whole address as argument.
10256         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
10257         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10258         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
10259         (h8sx_mergeable_memrefs_p): Declare.
10260         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
10261         (HAVE_PRE_INCREMENT): Likewise.
10262         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
10263         addresses for TARGET_H8300SX,
10264         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
10265         and POST_DEC.
10266         (movb_length_table, movl_length_table): New tables.
10267         (movw_length_table): Define to movb_length_table.
10268         (h8300_displacement_size): New, split out from...
10269         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
10270         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
10271         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
10272         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
10273         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
10274         (compute_plussi_length, compute_plussi_cc): Update accordingly.
10275         (h8sx_unary_shift_operator): Get the mode from the operator.
10276         (binary_shift_operator): Likewise.
10277         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
10278         a memory reference, check whether the reference is offsettable.
10279         (length_table): Add movb, movw and movl.
10280         (movqi): Add new h8sx pattern.  Don't force one operand to be a
10281         register when generating h8sx code.
10282         (movhi, movsi, movsf): Likewise.
10283         (movstrictqi): Use the length_table attribute.
10284         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
10285         (addqi3): Split into a define_expand and define_insn.  Don't accept
10286         memory operands in the expander.  Use h8300_operands_match_p to
10287         check for matching operands in the define_insn.
10288         (subqi3, negqi2, one_cmplqi2): Likewise.
10289         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
10290         in any patterns that are unused in h8sx code.  In the h8sx patterns,
10291         use h8300_operands_match_p to check whether operands match.
10292         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
10293         one_cmpl[hs]i3): Likewise.
10294         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
10295         in the expander.
10296         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
10297         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
10298         (h8300_insn_length_from_table): Add a second parameter.
10299         (output_h8sx_shift): Declare.
10300         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
10301         (EXTRA_CONSTRAINT): Replace with...
10302         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
10303         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
10304         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
10305         and h8sx_binary_shift_operator.
10306         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
10307         for TARGET_H8300SX.
10308         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
10309         (bit_memory_operand, fix_bit_operand): Likewise.
10310         (h8300_length_table_for_insn): Remove.
10311         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
10312         instructions.
10313         (h8300_short_immediate_length, h8300_binary_length): New functions.
10314         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
10315         (output_plussi): Use sub to add negative constants.
10316         (compute_plussi_length): Adjust accordingly.
10317         (h8sx_single_shift_type): New enum.
10318         (h8sx_single_shift, h8sx_unary_shift_operator,
10319         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
10320         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
10321         single h8sx instruction.  Return false in this case.
10322         * config/h8300/h8300.md (length_table): Add short_immediate.
10323         (length): Pass the operand array to h8300_insn_length_from_table.
10324         (adjust_length): Assume "no" for insns with a length_table attribute.
10325         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
10326         (*addhi3_h8300hs): Don't use for h8sx.
10327         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
10328         and sub.w #xx:3.
10329         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
10330         1's predicate to nonimmediate_operand.  Only skip default expansion
10331         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
10332         for single h8sx shift instructions.
10333         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
10334         * config/h8300/h8300.c (nibble_operand): Split out of...
10335         (reg_or_nibble_operand): ... this.
10336         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
10337         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
10338         umulhisi3): Introduce expand, and introduce separate insns for
10339         sign- or zero-extended REG and already-extended CONST_INT.
10340         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
10341         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
10342         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
10343         (subhi3): Likewise.  Don't accept immediates for operand 1.
10344         Remove the early clobber from second alternative of the h8300s pattern.
10345         (subsi3): Generalize for h8sx.  Force operand 2 into a register
10346         on plain h8300 targets.
10347         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
10348         (subsi3_h8300h): Generalize for h8sx.
10349         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
10350         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
10351         * config/h8300/h8300.c (reg_or_nibble_operand): New.
10352         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10353         (TARGET_H8300SXMUL): New.
10354         (CONST_OK_FOR_P): New.
10355         (CONST_OK_FOR_LETTER_P): Adjust.
10356         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
10357         umulhisi3): Accept 4-bit immediate on H8SX.
10358         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
10359         (udivsi3, divhi3, udivsi3, divsi3): New.
10360         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
10361         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
10362         * config/h8300/h8300.h (OK_FOR_Q): New macro.
10363         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
10364         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
10365         Add ADDRESSOF to the bit_operand entry.
10366         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
10367         (h8300_src_operand): Likewise.
10368         (bit_operand): Check nonimmediate_operand rather than general_operand.
10369         Accept any nonimmediate_operand in h8sx code.
10370         (h8300_and_costs): Initialize operands[1].
10371         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
10372         (h8300_operand_class): New enum.
10373         (h8300_length_table): New typedef.
10374         (addb_length_table, addw_length_table, addl_length_table,
10375         logicl_length_table): New tables.
10376         (logicb_length_table, logicw_length_table): New macros.
10377         (h8300_classify_operand, h8300_length_from_table,
10378         h8300_length_table_for_insn, h8300_unary_length,
10379         h8300_insn_length_from_table): New functions.
10380         (output_plussi): Only use adds and subs for register destinations.
10381         Disable redundant clause.
10382         (compute_plussi_cc): Likewise.
10383         (compute_plussi_length): Likewise.  Use h8300_length_from_table
10384         to work out the length of an insn.
10385         (output_logical_op): Only use narrower immediate instructions
10386         if the destination is a register.
10387         (compute_logical_op_cc): Likewise.
10388         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
10389         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
10390         * config/h8300/h8300.md (length_table): New attribute.
10391         (length): When an instruction has a length_table attribute, use
10392         h8300_insn_length_from_table to calculate its default length.
10393         (cmpqi): Use h8300_dst_operand for the first operand and
10394         h8300_src_operand for the second.
10395         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
10396         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
10397         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
10398         iorsi3, xorhi3, xorsi3): Likewise.
10399         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
10400         so that it allows any combination of operands for TARGET_H8300SX.
10401         (iorqi3, xorqi3): Likewise.
10402         (cmpqi): Use the length_table attribute.
10403         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
10404         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10405         (cmpqi): Add 'Q' constraint.
10406         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
10407         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10408         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
10409         * config/h8300/h8300.h (MASK_H8300SX): New macro.
10410         (TARGET_H8300S): True for both -ms and -msx.
10411         (TARGET_H8300SX): New macro.
10412         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
10413         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
10414         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
10415         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
10416         [Temporary change.]
10417         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
10418         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
10419         16-bit pointers and 32-bit ints.
10420         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
10421         CONST_DOUBLE with mode no wider than SImode.
10422         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
10423         output operand.
10424         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
10425         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
10426         or SUBREG thereof.
10427         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10428         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
10429         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
10430
10431 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10432
10433         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
10434
10435 2004-07-07  Per Bothner  <per@bothner.com>
10436
10437         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
10438
10439 2004-07-07  Mike Stump  <mrs@apple.com>
10440
10441         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
10442         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
10443         (machopic_finish): Likewise.
10444
10445 2004-07-07  Richard Henderson  <rth@redhat.com>
10446
10447         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
10448         through any value-preserving cast.
10449
10450 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10451
10452         * function.c (assign_parm_find_data_types): Call
10453         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
10454
10455 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10456
10457         * tree-cfg.c (group_case_labels): Remove case labels that have
10458         the same target as the default case.
10459
10460 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10461
10462         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
10463         regardless of DECL_LANG_SPECIFIC being present or not.
10464         * tree.h (DECL_NUM_STMTS): Purge.
10465
10466 2004-07-07  Andrew Pinski  <apinski@apple.com>
10467
10468         * configure: Regenerate with the right autoconf.
10469
10470 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
10471
10472         * ifcvt.c (total_bb_rtx_cost): New function.
10473         (find_if_case_1): Compare rtx_cost of basic block to cost of
10474         BRANCH_COST insns.
10475         (find_if_case_2): Same.
10476
10477 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10478
10479         PR target/10567
10480         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
10481         (output_return): Likewise.
10482         (output_sibcall): Abort if !flag_delayed_branch.
10483         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
10484         (emit_and_preserve): New function.
10485         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
10486         indirect jump to the thunked-to function if !flag_delayed_branch.
10487         * config/sparc/sparc.md (delayed_branch): New attribute.
10488         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
10489         attribute to compute the length of the insn.
10490         (goto_handler_and_restore): Likewise.
10491
10492 2004-07-07  Andrew Pinski  <apinski@apple.com>
10493
10494         PR tree-optimization/15777
10495         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
10496
10497         * expr.c (expand_expr_real_1): Fix formating.
10498         BUFFER_REF and IN_EXPR are dead.
10499         * fold-const.c (non_lvalue): BUFFER_REF is dead.
10500         * tree-inline.c (estimate_num_insns_1): Likewise.
10501         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
10502         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
10503         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
10504
10505 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10506
10507         * collect2.c (dump_file): Don't call cplus_demangle if
10508         HAVE_LD_DEMANGLE is defined.
10509         (main): Pass "--demangle" to ld if no_demangle is not 0 and
10510         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
10511         if HAVE_LD_DEMANGLE is defined.
10512
10513         * configure.ac (--with-demangler-in-ld): Added
10514         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
10515         --with-demangler-in-ld is used.
10516         * config.in: Regenerated.
10517         * configure: Likewise.
10518
10519 2004-07-07  Roger Sayle  <roger@eyesopen.com>
10520
10521         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
10522         for simple floating point operations "fp", double precision
10523         multiplication "dmul", and single and double precision division
10524         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
10525         (ppc630_cost): New table split from ppc620_cost, to distinguish
10526         differences in floating point latencies.
10527         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
10528         (rs6000_rtx_costs): Add support for single and double precision
10529         floating point addition, subtraction, multiplication, division,
10530         fused-multiply-add, fused-multiply-sub, negation, absolute value
10531         and negative absolute value.  Tweak MEM case to use prefered idiom.
10532
10533 2004-07-07  Richard Henderson  <rth@redhat.com>
10534
10535         * tree-flow-inline.h (may_propagate_copy): Move...
10536         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
10537         attempt to copy between types requiring conversion.
10538         * tree-flow.h (may_propagate_copy): Update decl.
10539         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
10540
10541 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
10542
10543         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
10544         from -mtune= option.
10545
10546 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10547
10548         * builtins.c: Rename movstr*, except for movstrict*, to
10549         movmem* and clrstr* to clrmem*.
10550         * expr.c: Likewise.
10551         * expr.h: Likewise.
10552         * genopinit.c: Likewise.
10553         * integrate.c: Likewise.
10554         * local-alloc.c: Likewise.
10555         * optabs.c: Likewise.
10556         * optabs.h: Likewise.
10557         * config/alpha/alpha.h: Likewise.
10558         * config/alpha/alpha.md: Likewise.
10559         * config/arm/arm-protos.h: Likewise.
10560         * config/arm/arm.c: Likewise.
10561         * config/arm/arm.md: Likewise.
10562         * config/avr/avr.md: Likewise.
10563         * config/c4x/c4x.c: Likewise.
10564         * config/c4x/c4x.md: Likewise.
10565         * config/frv/frv.md: Likewise.
10566         * config/i386/i386-protos.h: Likewise.
10567         * config/i386/i386.c: Likewise.
10568         * config/i386/i386.h: Likewise.
10569         * config/i386/i386.md: Likewise.
10570         * config/i860/i860.c: Likewise.
10571         * config/i860/i860.md: Likewise.
10572         * config/ip2k/ip2k.md: Likewise.
10573         * config/ip2k/libgcc.S: Likewise.
10574         * config/ip2k/t-ip2k: Likewise.
10575         * config/m32r/m32r.c: Likewise.
10576         * config/m32r/m32r.md: Likewise.
10577         * config/mcore/mcore.md: Likewise.
10578         * config/mips/mips.c: Likewise.
10579         * config/mips/mips.md: Likewise.
10580         * config/ns32k/ns32k.c: Likewise.
10581         * config/ns32k/ns32k.h: Likewise.
10582         * config/ns32k/ns32k.md: Likewise.
10583         * config/pa/pa.c: Likewise.
10584         * config/pa/pa.md: Likewise.
10585         * config/pdp11/pdp11.h: Likewise.
10586         * config/pdp11/pdp11.md: Likewise.
10587         * config/rs6000/rs6000.c: Likewise.
10588         * config/rs6000/rs6000.md: Likewise.
10589         * config/s390/s390-protos.h: Likewise.
10590         * config/s390/s390.c: Likewise.
10591         * config/s390/s390.md: Likewise.
10592         * config/sh/lib1funcs.asm: Likewise.
10593         * config/sh/sh.c: Likewise.
10594         * config/sh/sh.md: Likewise.
10595         * config/sh/t-sh: Likewise.
10596         * config/sparc/sparc.h: Likewise.
10597         * config/vax/vax.md: Likewise.
10598         * config/xtensa/xtensa.c: Likewise.
10599         * config/xtensa/xtensa.md: Likewise.
10600         * doc/invoke.texi: Likewise.
10601         * doc/md.texi: Likewise.
10602         * doc/rtl.texi: Likewise.
10603
10604 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
10605
10606         PR target/16407
10607         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
10608         * config/mips/mips.c (mips_declare_common_object): New function,
10609         mostly split out from...
10610         (mips_output_aligned_decl_common): ...here.
10611         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
10612         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
10613         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
10614         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
10615
10616 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10617
10618         PR c/16392
10619         * function.c (assign_parms): Fix typo from previous change.
10620
10621 2004-07-07  Jason Merrill  <jason@redhat.com>
10622
10623         PR c++/15815
10624         * doc/extend.texi (C++ Interface): Correct information and
10625         discourage use.
10626
10627 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
10628
10629         PR target/16130
10630         PR target/16142
10631         PR target/16143
10632         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
10633         insn.
10634
10635 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10636
10637         PR target/1679.
10638         * config/m32r/m32r.c (m32r_function_symbol): New function:
10639         Generate a symbol name RTX with the correct m32r specific flags
10640         set.
10641         (block_move_call): Use new function to generate correct symbol.
10642         * config/m32r/m32r-protos.h: Add prototype for new funcion.
10643         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
10644         function.
10645
10646 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10647
10648         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
10649         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
10650         TYPE_BINFO_BASETYPE): Remove.
10651         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
10652         to ...
10653         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
10654         here.
10655         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
10656         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
10657         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
10658         (struct tree_binfo): Rename base_types to base_binfos.
10659         * alias.c (record_component_aliases): Adjust BINFO macros.
10660         * dbxout.c (dbxout_type): Likewise.
10661         * dwarf2out.c (gen_member_die): Likewise.
10662         * sdbout.c (sdbout_one_type): Likewise.
10663         * tree-dump.c (deque_and_dump): Likewise.
10664         * config/i386/i386.c (classify_argument,
10665         contains_128bit_aligned_vector_p): Likewise.
10666
10667 2004-07-07  Nick Clifton  <nickc@redhat.com>
10668
10669         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
10670         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
10671
10672 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10673
10674         * vec.h: Fix the example use.
10675
10676 2004-07-06  Richard Henderson  <rth@redhat.com>
10677
10678         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
10679         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
10680         * tree-inline.c (copy_body_r, setup_one_parameter,
10681         initialize_inlined_parameters, expand_call_inline,
10682         declare_inline_vars): Don't check it.
10683         (expand_calls_inline): Remove old version, rename new version
10684         from gimple_expand_calls_inline.
10685         * tree-optimize.c (execute_gimple): Remove.
10686         (pass_gimple): Don't run anything.
10687
10688 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10689
10690         * doc/sourcebuild.texi: Use semicolons instead of commas in
10691         section title.
10692
10693 2004-07-06  Richard Henderson  <rth@redhat.com>
10694
10695         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
10696         (sra_walk_modify_expr, scan_init): Likewise.
10697         (generate_element_zero): Check visited before scanning children.
10698         (generate_element_init): Set visited on error.
10699         (scalarize_init): Handle generate_element_init failure similar
10700         to use_block_copy.
10701
10702 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10703
10704         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
10705         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
10706
10707 2004-07-06  Richard Henderson  <rth@redhat.com>
10708
10709         * config/i386/i386.c (legitimize_pic_address): Make static.
10710         (legitimize_address): Handle CONST with TLS operand.
10711         (ix86_expand_move): Don't call legitimize_pic_address directly.
10712         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
10713
10714 2004-07-06  Roger Sayle  <roger@eyesopen.com>
10715
10716         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
10717         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
10718         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
10719         is currently executed unconditionally, i.e. not in "else_bb".
10720
10721 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10722
10723         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
10724         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10725         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
10726         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10727         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
10728         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10729         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
10730         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10731         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
10732         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10733         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
10734         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10735         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
10736         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10737         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
10738         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10739
10740 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
10741
10742         * dojump.c (do_jump): REFERENCE_EXPR is dead.
10743         * expr.c (expand_expr_real_1): Ditto.
10744         * tree-inline.c (estimate_num_insns_1): Ditto.
10745         * tree-pretty-print.c (dump_generic_node): Ditto.
10746         (op_symbol): Ditto.
10747         * tree.def: Ditto.
10748
10749 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
10750
10751         * tree-ssa-pre.c (reference_node_pool): New pool.
10752         (find_or_generate_expression): Class 'r' is okay too.
10753         (create_value_expr_from): Ditto.
10754         (add_to_sets): LHS should not include vuses.
10755         (eliminate): Ditto.
10756         (compute_avail): Reverse ordering of tests.
10757         Valuize INDIRECT_REF as well.
10758
10759 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
10760
10761         PR rtl-optimization/16380
10762         * loop.c (check_dbra_loop): Sink comparison instructions if they
10763         do something other than set cc0.
10764
10765 2004-07-06  James E Wilson  <wilson@specifixinc.com>
10766
10767         * doc/interface.texi (longjmp and automatic variables): Delete
10768         paragraph recommending taking the address of a variable.
10769
10770 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
10771
10772         * vec.h (VEC_embedded_alloc): Remove.
10773         (VEC_embedded_size, VEC_embedded_init): New.
10774         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
10775         MEM_STAT_INFO.
10776         (VEC_truncate): New.
10777         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
10778         (vec_embedded_alloc): Remove.
10779         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
10780         (vec_embedded_alloc): Remove.
10781
10782 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
10783
10784         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
10785         (gt-langhooks.h): Remove.
10786
10787 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
10788
10789         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
10790
10791 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
10792
10793         * config/sparc/sparc.c (get_pc_symbol): Rename into
10794         add_pc_to_pic_symbol.
10795         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
10796         (load_pic_register): Account for previous changes.
10797         Use reg_names.  Don't create the label twice.
10798         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
10799         UNSPEC_LOAD_PCREL_SYM.
10800         (get_pc): Rename into load_pcrel_sym.  Add predicate to
10801         operands.  Remove condition.
10802
10803 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
10804
10805         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
10806         RECORD, UNION & QUAL_UNION is actually a binfo.
10807
10808         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
10809         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
10810         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
10811         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
10812         * dwarf2out.c (add_data_member_location_attribute): Likewise.
10813         (gen_inheritance_die): Likewise.
10814         * tree-dump.c (deque_and_dump): Likewise.
10815         * doc/c-tree.texi (Binfos): Add under reconstruction note.
10816
10817 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10818
10819         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10820         Define.
10821         * config/mcore/mcore.md: Model memory latency with a simple DFA
10822         pipeline description instead of a define_function_unit.
10823
10824 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10825
10826         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
10827         * langhooks.h (var_mod_type_p): Likewise.
10828         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
10829         * expr.c (count_type_elements): Properly handle return from
10830         array_type_nelts and properly test for overflow.
10831         * gimplify.c (gimplify_init_constructor): Properly handle return
10832         from array_type_nelts.
10833         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
10834         * integrate.c (copy_decl_for_inlining): Correct comments.
10835         * tree-inline.c (remap_decl): Update comments, remove dead code,
10836         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
10837         (remap_type): Only remap if variably modified by vars in function
10838         being inlined.
10839         (copy_body_r): Use compatible_type langhooks to see when can fold.
10840         (setup_one_parameter): Don't remap type.
10841         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
10842         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
10843         compute TREE_INVARIANT for decl case.
10844         (find_var_from_fn): New function.
10845         (variably_modified_type_p): Add arg and call new function.
10846         * tree.h (variably_modified_type_p): Add extra arg.
10847
10848 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10849
10850         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
10851         (goto_handler_and_restore_v9): Delete disabled insn.
10852         (goto_handler_and_restore_v9_sp64): Likewise.
10853
10854 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10855
10856         * calls.c (load_register_parameters): Call expand_shift instead
10857         of expand_binop with ashl_optab (or other shift optab) directly.
10858         * expr.c (emit_group_load, emit_group_store): Likewise.
10859         * function.c (assign_parm_setup_block): Likewise.
10860         * stmt.c (shift_return_value): Likewise.
10861
10862 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
10863
10864         * expr.c (expand_assignment): Disable the bitfield += optimizations.
10865
10866 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10867
10868         * doc/sourcebuild.texi: Revert previous patch.
10869
10870 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10871
10872         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
10873         TARGET_MEM_FUNCTIONS.
10874         * system.h: Poison TARGET_MEM_FUNCTIONS.
10875         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
10876         bcmp_libfunc, bzero_libfunc): Remove.
10877         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
10878         bzero_libfunc.
10879         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
10880         * doc/standards.texi: Don't mention calling BSD string functions.
10881         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
10882         * config/vax/t-memfuncs: New.
10883         * config/memcmp.c, config/memcpy.c, config/memmove.c,
10884         config/memset.c: New.
10885         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
10886         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
10887         vax/t-memfuncs.
10888         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
10889         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
10890         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
10891         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
10892         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
10893         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
10894         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
10895         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
10896         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
10897         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
10898
10899 2004-07-05  Richard Henderson  <rth@redhat.com>
10900
10901         * function.c (assign_parm_setup_reg): Properly rename variables in
10902         FUNCTION_ARG_CALLEE_COPIES section.
10903
10904 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
10905
10906         * tree-mudflap.c: Include cgraph.h.
10907         (mf_init_extern_trees): Rename to mudflap_init.  Export.
10908         Rewrite to create synthetic declarations instead of looking
10909         up declarations from mf-runtime.h.
10910         (mf_make_builtin, mf_make_cache_struct_type): New functions.
10911         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
10912         Correct commentary.
10913         (execute_mudflap_function_decls, mudflap_register_call):
10914         Don't call mf_init_extern_trees.
10915         (mudflap_finish_file): Use cgraph_build_static_cdtor.
10916
10917         * tree-mudflap.h: Update prototypes.
10918         * c-mudflap.c: Delete file.
10919         * c-common.c: Include tree-mudflap.h.
10920         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
10921         * Makefile.in: Remove all references to c-mudflap.o.
10922         Update dependencies.
10923
10924 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10925
10926         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
10927         displacements with the spatial-locality cache-control completer.
10928
10929 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
10930
10931         * langhooks.c: Don't include gt-langhooks.h.
10932         (var_labelno): Delete.
10933         (lhd_set_decl_assembler_name): Do not append a distinguishing
10934         number to file-scope internal-linkage declarations for the first
10935         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
10936         the declaration itself (if at block scope), or its containing
10937         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
10938         number.
10939
10940         * opts.c (cur_in_fname): New global.
10941         * opts.h: Declare it.
10942         * tree.c: Include opts.h.
10943         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
10944         DECL_UID equal to cur_in_fname.
10945         (copy_node_stat): Do not change DECL_UID when copying a
10946         TRANSLATION_UNIT_DECL.
10947         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
10948         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
10949
10950         * c-decl.c (c_static_assembler_name): Delete.
10951         * c-tree.h (c_static_assembler_name): Delete prototype.
10952         * c-lang.c, objc/objc-lang.c: Don't override
10953         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
10954
10955         * Makefile.in (tree.o): Update dependencies.
10956         (GTFILES): Remove langhooks.c.
10957
10958 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10959
10960         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
10961         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
10962         Normalize "X % C" as "X % -C" for signed modulus and negative C.
10963         Optimize "X % -Y" as "X % Y" for signed modulus.
10964         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
10965         into "((unsigned) X % Y) == 0".
10966
10967 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10968
10969         * sourcebuild.texi (Config Fragments): Use @comma{} in
10970         cross-reference to section title.
10971
10972 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10973
10974         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
10975         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
10976         (gimplify_target_expr, gimplify_expr): Likewise.
10977         (copy_if_shared_r): No longer need special case for BIND_EXPR.
10978         (unshare_body, unvisit_body): Only look at nested if BODY_P is
10979         whole function.
10980         (gimplify_compound_lval): See if we can strip any useless conversion.
10981         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
10982         from RHS, not LHS.
10983         (gimplify_modify_expr_to_memset): Likewise.
10984         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
10985         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
10986         (declare_inline_vars): Likewise.
10987         (walk_type_fields): New function.
10988         (walk_tree): Use it.
10989         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
10990
10991         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
10992         (sra_walk_modify_expr): Allow init function to fail.
10993         (scan_init): Now returns bool.
10994         (generate_element_init): If can't understand INIT, return false.
10995         (scalarize_init): Return false if generate_element_init does.
10996
10997         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
10998         print bounds.
10999
11000         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
11001         bounds if bounds aren't constant.
11002
11003         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
11004
11005         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
11006         to type hooks; remove bogus PARAMS.
11007
11008 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11009
11010         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
11011         * dwarf2out.c (add_data_member_location_attribute): Check for
11012         TREE_BINFO.
11013         * tree.c (tree_node_kinds): Add "binfos".
11014         (binfo_lang_slots): New.
11015         (make_node_stat): Add TREE_BINFO.
11016         (make_tree_binfo_stat): New.
11017         (tree_node_structure): Add TREE_BINFO.
11018         * tree.def (TREE_BINFO): New.
11019         * tree.h (REC_OR_UNION_CHECK): Rename to ...
11020         (RECORD_OR_UNION_CHECK): ... here.
11021         (NOT_RECORD_OR_UNION_CHECK): New.
11022         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
11023         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
11024         RECORD_OR_UNION_CHECK.
11025         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
11026         (TYPE_LANG_SLOT_1): New.
11027         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
11028         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
11029         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
11030         (BINFO_ELTS): Remove.
11031         (BINFO_LANG_SLOT): New.
11032         (struct tree_binfo): New.
11033         (binfo_lang_slots): Declare.
11034         (enum tree_node_structure_enum): Add TS_BINFO.
11035         (union tree_node): Add binfo.
11036         (make_tree_binfo_stat): Declare.
11037         (make_tree_binfo): New.
11038         (enum tree_node_kind): Add binfo_kind.
11039
11040         * objc/objc-act.c (start_class, objc_declare_protocols,
11041         start_protocols): Use TYPE_LANG_SLOT_1.
11042         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
11043         to ...
11044         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
11045         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
11046         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
11047         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
11048
11049 2004-07-05  Steven Bosscher  <stevenb@suse.de>
11050
11051         * rtl.h (struct rtx_def): Remove the integrated flag.
11052         Use the return_val flag for MEM_SCALAR_P.
11053         Reshuffle and update flags in CLEAR_RTX_FLAGS.
11054
11055 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
11056
11057         PR target/16357
11058         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
11059         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
11060         move_by_pieces.
11061
11062 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
11063
11064         * var-tracking.c: Fix some comments.
11065         (frame_stack_adjust): New.
11066         (vt_stack_adjustments): Init stack_adjust of entry block to
11067         minus stack adjustment of function prologue.
11068         (adjust_stack_reference): Do not adjust if adjustment == 0.
11069         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
11070         (emit_notes_in_bb): Likewise.
11071         (vt_add_function_parameters): Do not adjust locations of
11072         function arguments.
11073         (vt_initialize): Compute the stack adjustment of function
11074         prologue and offset the initial "location" of frame_base_decl
11075         from the stack pointer after prologue.
11076
11077 2004-07-04  Richard Henderson  <rth@redhat.com>
11078
11079         * function.c (struct assign_parm_data_all): New.
11080         (struct assign_parm_data_one): New.
11081         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
11082         assign_parm_find_data_types, assign_parms_setup_varargs,
11083         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
11084         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
11085         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
11086         assign_parm_setup_block, assign_parm_setup_reg,
11087         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
11088         (assign_parms): ... here.
11089
11090 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
11091
11092         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
11093         now are bitmap_set_t's.
11094         (bitmap_insert_into_set): No point in inserting the value if
11095         it's invariant.
11096         (bitmap_set_contains): New function.
11097         (bitmap_set_replace_value): Add comment on why we do it
11098         this way.
11099         (set_contains): Removed.
11100         (bitmap_set_subtract_from_value_set): New name of
11101         set_subtract now that it's arguments are two different
11102         types of sets.
11103         Update callers.
11104         (bitmap_find_leader): Change algorithm used.
11105         (find_or_generate_expression): Update use of functions for new
11106         bitmap sets.
11107         (create_expression_by_pieces): Ditto.
11108         (insert_aux): Ditto.
11109         (insert): Ditto.
11110         (add_to_sets): Ditto.
11111         (init_pre): Ditto.
11112         (execute_pre): Ditto.
11113         (compute_avail): Ditto.
11114         Also ignore virtual phis.
11115
11116 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11117
11118         * combine.c (simplify_comparison): Fix comment typo.
11119
11120 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11121
11122         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
11123         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
11124         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
11125         (output_restore): Change parameter from 'insn' to 'pat'.
11126         (output_return): Adjust call to output_restore.
11127         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
11128         Adjust call to output_restore.
11129
11130 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11131
11132         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
11133         and assert system is bsd.
11134
11135 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11136
11137         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
11138         (TARGET_SWITCHES): Remove -mdebugc.
11139         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11140         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
11141         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
11142         (sle_[sd]i_reg): Delete.
11143
11144 2004-07-04  Steven Bosscher  <stevenb@suse.de>
11145
11146         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11147         Define.
11148         * config/iq2000/iq2000.md: Translate old pipeline description to an
11149         equivalent new one.
11150
11151 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11152
11153         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
11154         Ensure the replacement rhs is valid gimple before performing
11155         the substitution.  Return false if these sanity checks fail.
11156         (fold_stmt): Only set changed to true, if set_rhs returns true.
11157         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
11158         succeeds.
11159
11160 2004-07-04  Richard Henderson  <rth@redhat.com>
11161
11162         PR c/16348
11163         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
11164
11165 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
11166
11167         * configure.ac (ranlib_flags): New variable.
11168         * Makefile.in (RANLIB_FLAGS): New variable.
11169         (libbackend.a): Use it.
11170         * configure: Regenerated.
11171
11172 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11173
11174         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
11175         a "sign mask" instead of using ashr_optab directly.
11176
11177 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11178
11179         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
11180         * doc/cppopts.texi: Clarify processing of command-line defines.
11181
11182 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
11183
11184         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
11185
11186 2004-07-04  Richard Henderson  <rth@redhat.com>
11187
11188         * rtl.def (ADDRESSOF): Remove.
11189         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
11190         (find_base_term, memrefs_conflict_p): Likewise.
11191         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
11192         (fold_rtx, cse_insn, set_live_p): Likewise.
11193         * dwarf2out.c (mem_loc_descriptor): Likewise.
11194         (add_location_or_const_value_attribute): Likewise.
11195         * emit-rtl.c (copy_insn_1): Likewise.
11196         * explow.c (memory_address): Likewise.
11197         * expmed.c (store_split_bit_field): Likewise.
11198         * expr.c (expand_expr_real_1): Likewise.
11199         * function.c (instantiate_decl
11200         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
11201         * genrecog.c (preds, validate_pattern): Likewise.
11202         * integrate.c (copy_rtx_and_substitute): Likewise.
11203         * recog.c (general_operand, register_operand): Likewise.
11204         (memory_address_p): Likwise.
11205         * reload1.c (eliminate_regs, elimination_effects): Likewise.
11206         * rtl.c (copy_rtx): Likewise.
11207         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11208         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
11209         * rtlhooks.c (gen_lowpart_general): Likewise.
11210         * stmt.c (expand_asm_operands): Likewise.
11211         * web.c (entry_register, replace_ref, web_main): Likewise.
11212         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
11213         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
11214         * config/arm/arm.c (thumb_rtx_costs): Likewise.
11215         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
11216         * config/frv/frv.c (move_destination_operand, move_source_operand,
11217         condexec_dest_operand, condexec_source_operand,
11218         condexec_memory_operand): Likewise.
11219         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
11220         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
11221         (destination_xfmode_operand): Likewise.
11222         * config/mips/mips.h (PREDICATE_CODES): Likewise.
11223         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
11224         * config/s390/s390.c (general_s_operand): Likewise.
11225         * config/s390/s390.md (mov*): Likewise.
11226         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
11227
11228         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
11229         * expr.c (expand_expr_real_1): Likewise.
11230         * stmt.c (expand_decl): Likewise.
11231         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11232
11233         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
11234         postponed_insns, put_var_into_stack, put_reg_into_stack,
11235         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
11236         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
11237         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
11238         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
11239         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
11240         purge_bitfield_addressof_replacements, purge_addressof_replacements,
11241         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
11242         struct insns_for_mem_walk_info, insns_for_mem_walk,
11243         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
11244         setjmp_protect_args): Remove.
11245         (push_function_context_to): Don't handle var_refs_queue.
11246         (pop_function_context_from, free_after_compilation): Likewise.
11247         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
11248         (assign_parms, allocate_struct_function): Likewise.
11249         (use_register_for_decl): New.
11250         (expand_function_end): Don't setjmp_protect.
11251         * function.h (struct emit_status): Update commentary.
11252         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
11253         (max_parm_reg, parm_reg_stack_loc): Remove.
11254         * passes.c (DFI_addressof): Remove.
11255         (dump_file_info): Remove addressof.
11256         (rest_of_handle_addressof): Remove.
11257         (rest_of_compilation): Don't call it.
11258         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
11259         * stmt.c (expand_decl): Use use_register_for_decl.
11260         * tree.h: Update decls.
11261         * web.c (mark_addressof): Remove.
11262         * doc/invoke.texi (-dF): Remove.
11263
11264 2004-07-03  Richard Henderson  <rth@redhat.com>
11265
11266         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
11267         instead of gen_mem_addressof.
11268         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
11269         TImode output register.
11270
11271 2004-07-03  Richard Henderson  <rth@redhat.com>
11272
11273         PR tree-optimization/16341
11274         * tree-sra.c (sra_walk_function): Increment to next stmt before
11275         processing the current stmt.
11276         (sra_insert_after): Always use BSI_SAME_STMT.
11277
11278 2004-07-03  Richard Henderson  <rth@redhat.com>
11279
11280         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
11281         fp plus with minus.
11282
11283 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11284
11285         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
11286         with tree_int_cst_equal.
11287
11288 2004-07-03  Andreas Schwab  <schwab@suse.de>
11289
11290         * config/ia64/ia64.md: Define new attribute "empty".
11291         (prologue_use, nop_x, insn_group_barrier): Set it.
11292
11293         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
11294         skip over "empty" insns.
11295
11296 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11297
11298         * tree-inline.c (initialize_inlined_parameters): Pass proper function
11299         context to gimplify_body.
11300         (walk_tree): Don't walk into types twice.
11301         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
11302
11303         * tree-sra.c (generate_element_init): Remove any useless conversions.
11304
11305         * gimplify.c (gimplify_conversion): Remove stripping useless
11306         conversions from here.
11307         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
11308         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
11309         Unshare before substituting PLACEHOLDER_EXPR.
11310         (gimplify_modify_expr_to_memset): Likewise.
11311         Pass address of TO to memset, not TO itself.
11312         (gimplify_init_constructor): Make copy of OBJECT so we have it each
11313         time we make an expression (to match a PLACEHOLDER_EXPR).
11314
11315         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
11316         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
11317         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
11318         * tree-ssa-dom.c (local_fold): Likewise.
11319
11320         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
11321         * langhooks.h (strct lang_hooks): New field type_max_size.
11322         * function.c (assign_temp): Call it.
11323
11324 2004-07-03  Steven Bosscher  <stevenb@suse.de>
11325
11326         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
11327         * config/sh/sh.md: Convert the SH1 pipeline description to
11328         a DFA model.
11329
11330 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
11331
11332         * c-decl.c (struct c_binding): Remove contour field; add
11333         depth, invisible, nested fields.
11334         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
11335         (B_IN_EXTERNAL_SCOPE): New convenience macros.
11336         (bind): Add invisible and nested arguments. Initialize
11337         new fields of struct c_binding; adjust loop scanning for
11338         insertion point.
11339         (free_binding_and_advance): Clear structure with memset.
11340         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
11341         in file scope, even if it's in external scope too.
11342         (pushdecl): Adjust to match.  Create invisible file-scope
11343         declarations for block-scope forward declarations of static functions.
11344         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
11345         (undeclared_variable, lookup_label, declare_label, define_label)
11346         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
11347         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
11348         (store_parm_decls_oldstyle): Adjust to match.
11349         (diagnose_mismatched_decls): Correct handling of linkage clashes.
11350         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
11351
11352         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
11353         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
11354
11355 2004-07-02  Richard Henderson  <rth@redhat.com>
11356
11357         * c-decl.c (grokdeclarator): Don't frob current_function_decl
11358         around variable_size.
11359         (set_decl_nonlocal): Remove.
11360         (store_parm_decls): Add stmts for pending sizes.
11361         * calls.c (calls_function, calls_function_1): Remove.
11362         (precompute_arguments): Don't call it.
11363         * cfgexpand.c (set_save_expr_context): Remove.
11364         (tree_expand_cfg): Don't call it.
11365         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
11366         (dwarf2out_finish): Likewise.
11367         * expr.c (emit_block_move): Adjust addresses to BLKmode.
11368         (store_constructor): Don't pre-evaluate SAVE_EXPR.
11369         (safe_from_p): Don't queue SAVE_EXPRs.
11370         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
11371         or build plain VAR_DECLs.
11372         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
11373         (fold): Likewise.
11374         (fold_checksum_tree): Don't special-case SAVE_EXPR.
11375         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
11376         (put_var_into_stack): Don't handle SAVE_EXPR.
11377         (gen_mem_addressof): Likewise.
11378         * function.h (struct function): Remove x_save_expr_regs.
11379         (save_expr_regs): Remove.
11380         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
11381         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
11382         * stor-layout.c (variable_size): Don't set it.
11383         (force_type_save_exprs, force_type_save_exprs_1): Remove.
11384         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
11385         all callers.  Don't set SAVE_EXPR_CONTEXT.
11386         * tree-inline.h (remap_save_expr): Update decl.
11387         * tree.c (save_expr): Update build size.
11388         (first_rtl_op): Don't handle SAVE_EXPR.
11389         (unsave_expr_1, contains_placeholder_p): Likewise.
11390         (decl_function_context): Likewise.
11391         * tree.def (SAVE_EXPR): Remove args 1 and 2.
11392         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
11393         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
11394
11395 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11396
11397         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
11398         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
11399         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
11400         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
11401         some first-person references and patronizing comments.  Based on
11402         printed manual.
11403         * doc/invoke.texi: Don't reference fortran@gnu.org.
11404         * doc/trouble.texi (Warning when a non-void function value is
11405         ignored): Rewrite.  From Russ Allbery and Chris Devers.
11406
11407 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
11408
11409         * tree-ssa-pre.c (bitmap_set_t): New.
11410         (bb_value_sets): avail_out is now a bitmap_set_t.
11411         (bitmap_find_leader): New function.
11412         (bitmap_value_insert_into_set): Ditto.
11413         (bitmap_set_copy): Ditto.
11414         (bitmap_value_replace_in_set): Ditto.
11415         (bitmap_set_contains_value): Ditto.
11416         (bitmap_set_new): Ditto.
11417         (bitmap_set_pool): New pool.
11418         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
11419         (insert_aux): Ditto.
11420         (add_to_sets): Ditto.
11421         (compute_avail): Ditto
11422         (eliminate): Ditto.
11423         (init_pre): Ditto.
11424         (fini_pre): Ditto.
11425         (execute_pre): Ditto.
11426
11427 2004-07-02  Roger Sayle  <roger@eyesopen.com>
11428
11429         * config/rs6000/rs6000.c (struct processor_costs): New structure
11430         used to hold instruction latencies/sizes for processor types.
11431         (rs6000_cost): New global variable pointing to current CPU's costs.
11432         (rs6000_override_options): Initialize rs6000_cost to point to the
11433         appropriate cost table based upon rs6000_cpu and optimize_size.
11434         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
11435         timings inline.
11436
11437 2004-07-02  Richard Henderson  <rth@redhat.com>
11438
11439         * expmed.c (make_tree): Don't use SET_DECL_RTL.
11440
11441 2004-07-02  Steven Bosscher  <stevenb@suse.de>
11442
11443         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
11444
11445 2004-07-01  Richard Henderson  <rth@redhat.com>
11446
11447         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
11448         (alpha_gp_save_rtx): Use assign_stack_local instead of
11449         gen_mem_addressof.
11450
11451 2004-07-01  Richard Henderson  <rth@redhat.com>
11452
11453         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
11454         (alpha_rtx_cost_data): Update to match.
11455         (alpha_rtx_cost_size): New.
11456         (alpha_rtx_costs): Honor optimize_size.
11457
11458 2004-07-01  Richard Henderson  <rth@redhat.com>
11459
11460         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
11461         * cfgexpand.c (tree_expand_cfg): Do it here.
11462         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
11463         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
11464         * config/mips/mips.c (mips_output_mi_thunk): And here.
11465         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
11466         * config/sh/sh.c (sh_output_mi_thunk): And here.
11467         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
11468
11469 2004-07-01  Richard Henderson  <rth@redhat.com>
11470
11471         * tree.def (RTL_EXPR): Remove.
11472         * c-typeck.c (lvalue_p): Don't handle it.
11473         * expr.c (safe_from_p): Likewise.
11474         (expand_expr_real_1): Likewise.
11475         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
11476         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
11477         * gengtype.c (adjust_field_tree_exp): Likewise.
11478         * stmt.c (warn_if_unused_value): Likewise.
11479         * tree-gimple.c (recalculate_side_effects): Likewise.
11480         * tree-pretty-print.c (dump_generic_node): Likewise.
11481         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
11482         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
11483         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
11484
11485         * stmt.c (struct stmt_status): Remove x_last_expr_type,
11486         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
11487         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
11488         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
11489         all the bits that tracked last_expr.
11490         (expand_end_bindings): Don't track last_expr.
11491         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
11492         (clear_last_expr): Remove.
11493         (expand_asm): Don't call it.
11494         (expand_asm_operands, expand_end_cond): Likewise.
11495         (expand_naked_return, expand_null_return_1): Likewise.
11496         * c-typeck.c (c_begin_compound_stmt): Likewise.
11497         * cfgexpand.c (expand_block): Use expand_expr_stmt.
11498         * expr.c (expand_expr_real_1): Likewise.
11499         * tree.h: Update prototypes.
11500
11501         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
11502         (struct emit_status): Remove sequence_rtl_expr.
11503         (struct function): Remove x_rtl_expr_chain.
11504         (seq_rtl_expr, rtl_expr_chain): Remove.
11505         * function.c (struct temp_slot): Remove rtl_expr.
11506         (assign_stack_temp_for_type): Don't set it.
11507         (free_temp_slots, pop_temp_slots): Don't check it.
11508         (free_after_compilation): Don't clear x_rtl_expr_chain.
11509         (fixup_var_refs): Don't search it.
11510         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
11511         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
11512         or seq_rtl_expr.
11513         (push_topmost_sequence): Likewise.
11514         (end_sequence, init_emit): Likewise.
11515         (start_sequence_for_rtl_expr): Remove.
11516         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
11517         * rtl.h (preserve_rtl_expr_result): Remove.
11518
11519 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
11520
11521         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
11522         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
11523         typos.
11524
11525 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11526
11527         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
11528         (STANDARD_STARTFILE_PREFIX_2): Define.
11529         (standard_startfile_prefix_1): Initialize to
11530         STANDARD_STARTFILE_PREFIX_1.
11531         (standard_startfile_prefix_2): Initialize to
11532         STANDARD_STARTFILE_PREFIX_2.
11533         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
11534         (STANDARD_STARTFILE_PREFIX_1): Define.
11535         (STANDARD_STARTFILE_PREFIX_2): Define.
11536         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
11537         (STANDARD_STARTFILE_PREFIX_2): Document.
11538
11539 2004-07-01  Richard Henderson  <rth@redhat.com>
11540
11541         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
11542         in order to disable scalarization.  Instead set a flag and wait
11543         for a candidate decl.
11544
11545 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11546
11547         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
11548         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
11549         Use terminology "testsuite" and "enumerated".
11550
11551 2004-07-01  Richard Henderson  <rth@redhat.com>
11552
11553         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
11554         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
11555         (initial_return_save): Likewise.
11556         (flush_queued_reg_saves): Remap register numbers.
11557         (dwarf2out_return_reg): Likewise.
11558
11559 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11560
11561         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
11562
11563         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
11564         access functions for lower bound and element size and only output
11565         if lower bound nonzero or element size not same as that of type.
11566         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
11567
11568 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11569
11570         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
11571
11572 2004-07-01  Per Bothner  <per@bothner.com>
11573
11574         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
11575
11576 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
11577
11578         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
11579         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
11580         first operand.  Don't optimize if the bitfield is volatile.
11581
11582 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11583
11584         * c-pretty-print.c (pp_c_postfix_expression): Handle
11585         floating-point comparison operators.
11586         (pp_c_expression): Pass floating-point comparison
11587         operators to pp_c_postfix_expression.
11588
11589 2004-07-01  Roger Sayle  <roger@eyesopen.com>
11590
11591         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
11592         rtx_cost instead of "had_mult" to determine whether the transformed
11593         expression is cheaper than the original.
11594
11595 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
11596
11597         * alias.c (get_alias_set, canon_rtx, get_addr,
11598         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
11599         Use MEM_P.
11600         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
11601         expand_builtin): Likewise.
11602         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
11603         Likewise.
11604         * combine.c (can_combine_p, combinable_i3pat, try_combine,
11605         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
11606         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
11607         record_dead_and_set_regs_1, get_last_value_validate,
11608         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
11609         * cse.c (check_dependence, canon_hash, equiv_constant,
11610         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
11611         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
11612         count_reg_usage): Likewise.
11613         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
11614         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
11615         cselib_record_sets): Likewise.
11616         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
11617         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
11618         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
11619         * df.c (df_uses_record): Likewise.
11620         * dojump (do_jump): Likewise.
11621         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
11622         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
11623         decl_start_label): Likewise.
11624         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
11625         operand_subword, change_address_1, make_safe_from): Likewise.
11626         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
11627         stabilize, force_not_mem): Likewise.
11628         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
11629         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
11630         * expr.c (convert_move, convert_modes, emit_block_move,
11631         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
11632         emit_move_insn_1, expand_assignment, store_expr,
11633         store_constructor_field, store_constructor, store_field,
11634         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
11635         Likewise.
11636         * final.c (cleanup_subreg_operands, alter_subreg,
11637         get_mem_expr_from_op): Likewise.
11638         * flow.c (notice_stack_pointer_modification_1,
11639         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
11640         Likewise.
11641         * function.c (mark_temp_addr_taken, preserve_temp_slots,
11642         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
11643         optimize_bit_field, flush_addressof, purge_addressof_1,
11644         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
11645         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
11646         keep_stack_depressed): Likewise.
11647         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
11648         noce_process_if_block, find_memory): Likewise.
11649         * integrate.c (subst_constants, allocate_initial_values): Likewise.
11650         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
11651         update_equiv_regs): Likewise.
11652         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
11653         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
11654         * optabs.c (expand_abs, emit_unop_insn): Likewise.
11655         * passes.c (rest_of_handle_final): Likewise.
11656         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
11657         move2add_note_store): Likewise.
11658         * ra-build.c (detect_remat_webs): Likewise.
11659         * ra-debug.c (dump_static_insn_cost): Likewise.
11660         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
11661         * recog.c (validate_change, apply_change_group, cancel_changes,
11662         validate_replace_rtx_1, general_operand, register_operand,
11663         nonmemory_operand, push_operand, pop_operand, memory_operand,
11664         indirect_operand, asm_operand_ok, offsettable_memref_p,
11665         offsettable_nonstrict_memref_p, constrain_operands,
11666         store_data_bypass_p): Likewise.
11667         * reg-stack.c (subst_stack_regs_pat): Likewise.
11668         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
11669         copy_cost, reg_scan_mark_refs): Likewise.
11670         * regmove.c (optimize_reg_copy_3, stack_memref_p,
11671         combine_stack_adjustments_for_block): Likewise.
11672         * regrename.c (copyprop_hardreg_forward_1): Likewise.
11673         * reload.c (can_reload_into, push_reload, decompose, immune_p,
11674         find_reloads, find_reloads_address, find_reloads_address_1,
11675         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
11676         find_equiv_reg): Likewise.
11677         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
11678         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
11679         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
11680         delete_address_reloads): Likewise.
11681         * resource.c (mark_referenced_resources): Likewise.
11682         * rtlanal.c (get_jump_table_offset, count_occurrences,
11683         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
11684         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
11685         num_sign_bit_copies1): Likewise.
11686         * rtlhooks.c (gen_lowpart_general): Likewise.
11687         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
11688         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
11689         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
11690         sdbout_global_decl): Likewise.
11691         * simplify-rtx.c (simplify_subreg): Likewise.
11692         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
11693         expand_anon_union_decl, expand_end_case_type): Likewise.
11694         * unroll.c (calculate_giv_inc): Likewise.
11695         * var-tracking.c (stack_adjust_offset_pre_post,
11696         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
11697         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
11698         vt_add_function_parameters): Likewise.
11699         * varasm.c (make_var_volatile, notice_global_symbol,
11700         assemble_external, decode_addr_const, mark_weak,
11701         default_encode_section_info): Likewise.
11702
11703 2004-07-01  Steven Bosscher  <stevenb@suse.de>
11704
11705         * stmt.c (check_seenlabel): Remove.
11706         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
11707
11708 2004-07-01  Richard Henderson  <rth@redhat.com>
11709
11710         * function.h (struct function): Remove x_function_call_count.
11711         (function_call_count): Remove.
11712         * calls.c (expand_call): Don't set it.
11713         * integrate.c (copy_rtx_and_substitute): Likewise.
11714
11715         * function.h (struct function): Remove x_cleanup_label.
11716         (cleanup_label): Remove.
11717         * stmt.c (expand_value_return): Don't use it.
11718         * function.c (free_after_compilation): Don't set it.
11719         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
11720         * cfgexpand.c (tree_expand_cfg): Update call.
11721         * tree.h (expand_function_start): Update decl.
11722
11723 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11724
11725         PR c/1027
11726         * c-lang.c (c_initialize_diagnostics): Move from here ...
11727         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
11728         (c_tree_printer): Use pretty-printer to format %T.
11729         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
11730         before '*' if not C++.
11731         (pp_c_direct_abstract_declarator): Don't try to print array upper
11732         bound for flexible array members.
11733         * c-tree.h: Include "diagnostic.h".
11734         (c_initialize_diagnostics): Declare.
11735         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
11736         * c-format.c (format_type_warning): New function.  Improve
11737         diagnostics for incorrect format argument types.
11738         (check_format_types): Use it.  Add two parameters.  Use the
11739         TYPE_MAIN_VARIANT of wanted_type.
11740         (check_format_info_main): Pass new parameters to
11741         check_format_types.
11742         (struct format_wanted_type): Update comment.
11743
11744 2004-07-01  Nick Clifton  <nickc@redhat.com>
11745
11746         * target.h (struct gcc_target): Add new field to struct cxx:
11747         import_export_class.
11748         * target-def.h (TARGET_CXX): Initialise the new field.
11749         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
11750         the new field.
11751         * doc/tm.texi: Document the new target hook.
11752
11753 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11754
11755         * builtins.c (fold_builtin_classify): Fix typo.
11756
11757 2004-07-01  Richard Henderson  <rth@redhat.com>
11758
11759         * function.c (identify_blocks, identify_blocks_1): Remove.
11760         * function.h (identify_blocks): Remove.
11761         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
11762
11763 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11764
11765         * builtins.c (fold_builtin_classify): New.
11766         (fold_builtin_unordered_cmp): Fix commentary.
11767         (fold_builtin): Use it.
11768         * builtins.def: Define builtins for isnan,
11769         isnanf, isnanl, finite, finitef, finitel,
11770         isinf, isinff, isinfl.
11771
11772 2004-07-01  Richard Henderson  <rth@redhat.com>
11773
11774         * function.h (struct function): Remove dont_emit_block_notes.
11775         * gimple-low.c (lower_function_body): Don't set it.
11776         * cfgexpand.c (expand_block): Don't check it.
11777         * cfglayout.c (insn_locators_initialize): Likewise.
11778         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
11779         * passes.c (rest_of_compilation): Likewise.
11780         * stmt.c (expand_start_bindings_and_block): Likewise.
11781         (expand_end_bindings): Likewise.
11782
11783 2004-07-01  Richard Henderson  <rth@redhat.com>
11784
11785         * cgraph.h (cgraph_build_static_cdtor): Declare.
11786         * cgraphunit.c (cgraph_build_static_cdtor): New.
11787         * c-objc-common.c (build_cdtor): Use it.
11788         * coverage.c (create_coverage): Likewise.
11789         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
11790         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
11791
11792 See ChangeLog.11 for earlier changes.