gcc/ChangeLog

   1 2004-07-16  Richard Henderson  <rth@redhat.com>
   2
   3         * function.c (pass_by_reference): True for all variable sized types.
   4
   5 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
   6
   7         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
   8         * tree-pretty-print.c: Include tree-chrec.h.
   9         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
  10         and POLYNOMIAL_CHREC nodes.
  11
  12 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
  13
  14         * builtins.c (expand_builtin_stpcpy): Do not create temporary
  15         reg with VOIDmode.
  16
  17 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
  18
  19         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
  20
  21 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
  22
  23         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
  24         to BASE_REGNUM.
  25         * config/s390/s390.c: Likewise.
  26         * config/s390/s390.h: Likewise.
  27
  28 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  29
  30         * config/mips/mips.md (addsi3, adddi3): Remove special handling
  31         of $sp adds.  Remove REGNO checks from mips16 patterns.
  32
  33 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  34
  35         * config/mips/mips.md: Delete outdated comment.
  36
  37 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  38
  39         * config/mips/mips.c (get_float_compare_codes): Delete.
  40         (mips_emit_compare): New function, mostly extracted from
  41         get_float_compare_codes and gen_conditional_branch.
  42         (gen_conditional_branch, gen_conditional_move): Use it.
  43
  44 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
  45
  46         * genautomata.c (add_vect): Speedup by using integers as
  47         bit-vectors for walking through the comb_vect and finding
  48         a match.
  49
  50 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  51
  52         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
  53         operand is an uns_arith_operand; use subtraction otherwise.
  54         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
  55         not just arith_operands.
  56
  57 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  58
  59         * config/mips/mips-protos.h (gen_int_relational): Delete.
  60         (mips_emit_scc): Declare.
  61         * config/mips/mips.c (internal_test): Delete.
  62         (sle_operand, sleu_operand): New functions.
  63         (map_test_to_internal_test, gen_int_relational): Delete.
  64         (mips_emit_binary, mips_relational_operand_ok_p)
  65         (mips_emit_int_relational, mips_zero_if_equal)
  66         (mips_emit_scc): New functions.
  67         (gen_conditional_branch): Rework to use mips_emit_int_relational.
  68         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
  69         sleu_operand.
  70         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
  71         (sltu, sleu): Use mips_emit_scc.
  72         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
  73         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
  74         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
  75
  76 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  77
  78         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
  79
  80 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  81
  82         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
  83         (*sne_[sd]i): Likewise sne_[sd]i_zero.
  84         (*sgt_[sd]i): ...and sgt_[sd]i.
  85         (*slt_[sd]i): ...and slt_[sd]i.
  86         (*sgtu_[sd]i): ...and sgtu_[sd]i.
  87         (*sltu_[sd]i): ...and sltu_[sd]i.
  88         (*sleu_[sd]i): ...and sleu_[sd]i_const.
  89         Name previously unnamed mips16 patterns.  Formatting fixes.
  90
  91 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
  92
  93         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
  94         (branch_type): Delete.
  95         (gen_conditional_branch, gen_conditional_move)
  96         (mips_gen_conditional_trap): Update after name change.  Get the
  97         comparison mode from cmp_operands[0].
  98         * config/mips/mips.h (cmp_type, branch_type): Delete.
  99         (cmp_operands): Renamed from branch_cmp.
 100         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
 101         name change.  Don't set branch_type.
 102         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
 103         mode class of cmp_operands[0] rather than branch_type.  Update after
 104         name change.
 105
 106 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
 107
 108         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
 109         of 0...255 to 0 when inside a SET.
 110
 111 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
 112
 113         * config/mips/mips.md: Remove mips16 define_peepholes.
 114
 115 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
 116
 117         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
 118         (fini_pre): Remove fake edges.
 119
 120 2004-07-15  Richard Henderson  <rth@redhat.com>
 121
 122         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
 123         (get_indirect_ref_operands, get_call_expr_operands): ... these.
 124
 125 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
 126
 127         * vec.h (VEC_address): New function.
 128
 129 2004-07-14  Jason Merrill  <jason@redhat.com>
 130
 131         PR middle-end/15885
 132         * gimplify.c (gimplify_arg): New fn, split out from...
 133         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
 134
 135 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
 136
 137         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
 138         generate code which is generated by pushqi1 now
 139         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
 140
 141 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
 142
 143         * combine.c (simplify_set): match the mode of the constant 0 with
 144         the tested operand to match the compare behaviour and the
 145         simplify_relational_operation() expectation.
 146
 147 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
 148
 149         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
 150         ("bordered"): Same.
 151
 152 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
 153
 154         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
 155         unconditionally.
 156         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
 157
 158 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
 159
 160         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
 161         calls in mips16 code.
 162
 163 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
 164
 165         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
 166         the destination of the li as well as for the neg.
 167
 168 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
 169
 170         g++/15861
 171         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
 172         * cgraph.h: Update declaration.
 173         * c-decl.c (build_cdtor): Update call with default priority.
 174         * coverage.c (create_coverage): Ditto.
 175         * tree-mudflap.c (mf_init_fndecl): New tree.
 176         (mudflap_init): Set it.
 177         (mudflap_register_call): Arrange to call __mf_init before the first
 178         __mf_register call.
 179         (mudflap_finish_file): Mark the mudflap static initializer as extra
 180         high priority, to beat all C++ static constructors.
 181
 182 2004-07-15  Jeff Law  <law@redhat.com>
 183
 184         * loop.c (check_insn_for_givs): Restore check for code labels that was
 185         accidentally deleted by a recent checkin.
 186
 187 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
 188
 189         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
 190         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
 191
 192 2004-07-14  Richard Henderson  <rth@redhat.com>
 193
 194         * print-tree.c (print_node): Fix casts last change.
 195
 196 2004-07-15  Paul Brook  <paul@codesourcery.com>
 197
 198         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
 199         to TARGET_UNWIND_INFO.
 200         * except.c (output_function_exception_table): Ditto.
 201         * except.h: Ditto.
 202         * opts.c (decode_options): Ditto.
 203         * passes.c (rest_of_handle_final): Ditto.
 204         * final.c (final_start_function): Ditto.
 205         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
 206         target hook.
 207         * targhooks.h (default_unwind_emit): Declare.
 208         * targhooks.c (default_unwind_emit): New function.
 209         * target-def.h: Define and use TARGET_UNWIND_EMIT.
 210         * target.h (struct gcc_target): Add unwind_emit.
 211         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
 212         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
 213         Remove IA64_UNWIND_EMIT.
 214         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
 215
 216 2004-07-14  Richard Henderson  <rth@redhat.com>
 217
 218         * print-tree.c (print_node): Handle SSA_NAME.
 219
 220 2004-07-14  James E Wilson  <wilson@specifixinc.com>
 221
 222         PR target/16325
 223         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
 224         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
 225
 226 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
 227
 228         * expr.c (expand_assignment): Reenable bitfield += optimizations.
 229         Use alias set 0 for memory, do proper mode calculations and adjust
 230         address for memories.
 231
 232 2004-07-14  Per Bothner  <per@bothner.com>
 233
 234         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
 235         structure with extra column field.
 236         * tree.c (expand_location):  Also fill in column field.
 237         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
 238         gets confused by the two conditionally-compiled definitions.
 239
 240 2004-07-14  Eric Christopher  <echristo@redhat.com>
 241
 242         * calls.c (expand_call): Fix typo in comment.
 243
 244 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
 245
 246         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
 247         comparision of TFmode.
 248
 249 2004-07-14  Richard Henderson  <rth@redhat.com>
 250
 251         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
 252         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
 253         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
 254         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
 255         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
 256         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
 257         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
 258         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
 259         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
 260
 261 2004-07-14  Mike Stump  <mrs@apple.com>
 262
 263         * config/darwin.h (WINT_TYPE): Define to be int to match
 264         system header files.
 265
 266 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
 267
 268         * config/xtensa/xtensa.c (function_arg_advance): Check for args
 269         that must be passed in the stack.
 270         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
 271         arguments if the size is not a constant.
 272
 273 2004-07-14  Per Bothner  <per@bothner.com>
 274
 275         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
 276         instead of EXPR_LOCUS in a boolean context, which is always true
 277         if --enable-mapped-location.
 278         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
 279
 280 2004-07-14  Richard Henderson  <rth@redhat.com>
 281
 282         * dominance.c (struct dom_info): Add fake_exit_edge.
 283         (init_dom_info): Allocate it.
 284         (free_dom_info): Free it.
 285         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
 286         in two passes.
 287         (calc_idoms): Honor fake_exit_edge.
 288
 289 2004-07-13  Jason Merrill  <jason@redhat.com>
 290
 291         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
 292         (rhs_test_for): New fn.
 293         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
 294         * tree-gimple.h: Declare them.
 295         * gimplify.c (gimplify_modify_expr): Use the new fns.
 296
 297 2004-07-14  Richard Henderson  <rth@redhat.com>
 298
 299         * config/arm/arm-protos.h (arm_va_arg): Remove.
 300         * config/arm/arm.c (arm_va_arg): Remove.
 301         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
 302         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
 303
 304 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 305
 306         * pa.c (fix_range): New function to mark a range(s) of registers as
 307         fixed registers.
 308         (override_options): Call fix_range if the -mfixed-range option string
 309         is not empty.
 310         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
 311         * doc/invoke.texi (-mfixed-range): Document new option.
 312
 313 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
 314
 315         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
 316         for TARGET_64BIT.
 317         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
 318
 319 2004-07-14  Roger Sayle  <roger@eyesopen.com>
 320
 321         * expmed.c (expand_sdiv_pow2): New function to expand signed division
 322         by a positive power of two, split out from expand_divmod.  Provide
 323         an alternate implementation when shifts are expensive.  Lower the
 324         threshold for using a branchless implementation to BRANCH_COST >= 2.
 325         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
 326
 327 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
 328
 329         * tree-dfa.c (make_rename_temp): *Really* work just
 330         like create_tmp_var if called while outside SSA form.
 331
 332 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
 333
 334         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
 335         for division by zero.
 336         ("umodsi3"): Likewise.
 337
 338 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
 339
 340         * config/mips/mips.c (mips_output_move): When generating mips16 code,
 341         force loads of negative constants to be split.
 342         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
 343         Generalize SImode li/neg splitter to cope with other modes.
 344
 345 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
 346
 347         * expmed.c: Remove more references to QUEUED in the comments.
 348         * expr.c: Likewise.
 349
 350 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
 351
 352         Revert:
 353         2004-07-13  Richard Henderson  <rth@redhat.com>
 354         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
 355         correctly.
 356
 357 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
 358
 359         * tree-dfa.c (make_rename_temp): Work just like
 360         create_tmp_var if called while outside SSA form.
 361
 362 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
 363
 364         * expr.c (enqueue_insn, finish_expr_for_function,
 365         protect_from_queue, queued_subexp_p, mark_queue,
 366         emit_insns_enqueued_after_mark, emit_queue,
 367         expand_increment): Remove.
 368         (store_constructor): Expand increment as an assignment.
 369         (expand_expr_real_1 <case PREINCREMENT_EXPR,
 370         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
 371         case POSTDECREMENT_EXPR>): Abort.
 372         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
 373         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
 374         protect_from_queue, emit_queue, queued_subexp_p): Remove.
 375         * function.h (pending_chain, x_pending_chain): Remove.
 376         * rtl.def (QUEUED): Remove.
 377
 378         * emit-rtl.c (copy_insn_1, copy_most_rtx,
 379         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
 380         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
 381         encode_units_mask): Likewise.
 382         * local-alloc.c (equiv_init_varies_p): Likewise.
 383         * rtl.c (copy_rtx): Likewise.
 384         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
 385         * simplify-rtx.c (simplify_gen_subreg): Likewise.
 386         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
 387
 388         * builtins.c (expand_builtin, expand_builtin_apply,
 389         expand_builtin_mathfn, expand_builtin_mathfn_2,
 390         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
 391         Remove calls to emit_queue and protect_from_queue.
 392         * calls.c (expand_call, precompute_arguments,
 393         precompute_register_parameters, rtx_for_function_call,
 394         store_one_arg): Likewise.
 395         * dojump.c (do_compare_and_jump, do_jump): Likewise.
 396         * explow.c (memory_address): Likewise.
 397         * expmed.c (clear_by_pieces_1, clear_storage,
 398         clear_storage_via_libcall, emit_group_load,
 399         emit_group_store, emit_store_flag,
 400         expand_expr_real_1, store_by_pieces,
 401         store_constructor, store_expr, try_casesi,
 402         try_tablejump): Likewise.
 403         * function.c (expand_pending_sizes): Likewise.
 404         * optabs.c (emit_cmp_and_jump_insns,
 405         emit_conditional_add, emit_conditional_move,
 406         expand_fix, expand_float, prepare_cmp_insn): Likewise.
 407         * stmt.c (emit_case_bit_tests,
 408         expand_asm_expr, expand_computed_goto,
 409         expand_decl_init, expand_end_case_type,
 410         expand_end_stmt_expr, expand_expr_stmt_value,
 411         expand_return, expand_start_case,
 412         optimize_tail_recursion): Likewise.
 413         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
 414         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
 415
 416 2004-07-14  Ben Elliston  <bje@au.ibm.com>
 417
 418         * vec.h: Comment fix.
 419
 420 2004-07-13  Richard Henderson  <rth@redhat.com>
 421
 422         * target.h (struct gcc_target): Add calls.pass_by_reference.
 423         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
 424         * function.c (pass_by_reference): Use the hook.
 425         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
 426         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
 427         (hook_pass_by_reference_must_pass_in_stack): New.
 428         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
 429         (alpha_pass_by_reference): New.
 430         (TARGET_PASS_BY_REFERENCE): New.
 431         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 432         * config/arc/arc.c (arc_pass_by_reference): New.
 433         (TARGET_PASS_BY_REFERENCE): New.
 434         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 435         (FUNCTION_ARG_CALLEE_COPIES): True.
 436         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
 437         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
 438         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
 439         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 440         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 441         * config/cris/cris.c (cris_pass_by_reference): New.
 442         (TARGET_PASS_BY_REFERENCE): New.
 443         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
 444         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
 445         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 446         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
 447         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 448         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
 449         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
 450         (frv_function_arg_pass_by_reference): Remove.
 451         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 452         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
 453         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
 454         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
 455         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 456         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
 457         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
 458         (ia64_pass_by_reference): Rename from
 459         ia64_function_arg_pass_by_reference.
 460         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 461         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 462         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
 463         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
 464         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
 465         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 466         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
 467         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
 468         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
 469         (m32r_pass_by_reference): Adjust prototype.  Make static.
 470         Handle mode sizes correctly.
 471         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 472         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
 473         (m68hc11_function_arg_pass_by_reference): Remove.
 474         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 475         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
 476         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
 477         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 478         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
 479         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
 480         (mips_va_arg): Use pass_by_reference.
 481         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
 482         Handle mode sizes correctly.
 483         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 484         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
 485         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
 486         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
 487         (mmix_pass_by_reference): Rename from
 488         mmix_function_arg_pass_by_reference.
 489         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 490         (FUNCTION_ARG_CALLEE_COPIES): True.
 491         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
 492         (mn10300_pass_by_reference): New.
 493         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 494         (FUNCTION_ARG_CALLEE_COPIES): True.
 495         * config/pa/pa.c (pa_pass_by_reference): New.
 496         (TARGET_PASS_BY_REFERENCE): New.
 497         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 498         (FUNCTION_ARG_CALLEE_COPIES): True.
 499         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
 500         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
 501         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
 502         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 503         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
 504         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
 505         (s390_pass_by_reference): Rename from
 506         s390_function_arg_pass_by_reference.
 507         (s390_function_arg_advance): Don't query pass-by-ref.
 508         (s390_function_arg): Likewise.
 509         (s390_gimplify_va_arg): Use pass_by_reference.
 510         (s390_call_saved_register_used): Likewise.
 511         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 512         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
 513         (shcompact_byref, sh_pass_by_reference): New.
 514         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 515         (SHCOMPACT_BYREF): Remove.
 516         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
 517         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
 518         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
 519         (sparc_gimplify_va_arg): Use pass_by_reference.
 520         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 521         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 522         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
 523         (v850_pass_by_reference): New.
 524         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 525         (FUNCTION_ARG_CALLEE_COPIES): True.
 526         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
 527         FUNCTION_ARG_PASS_BY_REFERENCE docs.
 528
 529 2004-07-14  Richard Henderson  <rth@redhat.com>
 530             Richard Sandiford  <rsandifo@redhat.com>
 531
 532         * config/mips/mips-protos.h (mips_va_arg): Delete.
 533         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
 534         * config/mips/mips.c: Include tree-gimple.h.
 535         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
 536         (mips_arg_info): Remove special handling of must_pass_in_stck args.
 537         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
 538         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
 539
 540 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
 541
 542         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
 543         arguments for COND_EXPR in big-endian adjustment code.
 544
 545 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 546
 547         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
 548         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
 549         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
 550         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
 551
 552 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
 553
 554         PR tree-optimization/16443
 555         * tree-ssa-alias.c: Add more description for
 556         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
 557         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
 558         clobbering of call-clobbered and addressable variables.  If
 559         there are any before aliases have been computed, add them.
 560
 561 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
 562
 563         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
 564         verification.
 565
 566 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
 567
 568         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
 569         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
 570         to the same type.
 571
 572 2004-07-13  Per Bothner  <per@bothner.com>
 573
 574         * collect2.c (main):  Handle --no-demangle and --demangle flags.
 575
 576 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
 577
 578         * Makefile.in (OBJS-common): Add tree-data-ref.o.
 579         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
 580         (tree-data-ref.o): New rule.
 581         * lambda.h: New file.
 582         * tree-data-ref.c: New file.
 583         * tree-data-ref.h: New file.
 584         * tree.c (int_cst_value, tree_fold_gcd): New functions.
 585         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
 586
 587 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 588
 589         PR target/13926
 590         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
 591         * config/sparc/sparc.c (output_ubranch): New function.
 592         * config/sparc/sparc.md (jump pattern): Use it.
 593
 594 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 595
 596         PR target/16494
 597         * config/sparc/sparc.c (output_cbranch): Properly guard
 598         the code handling far branches with TARGET_V9.
 599         * config/sparc/sparc.md (length attribute): Document the
 600         side-effect of having a length greater or equal to 3.
 601
 602 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 603             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
 604
 605         PR target/15186
 606         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
 607         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
 608
 609 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 610             Martin Sebor  <sebor@roguewave.com>
 611
 612         PR target/12602
 613         * doc/invoke.texi (SPARC options): Document -threads
 614         and -pthreads on Solaris.
 615
 616 2004-07-13  Richard Henderson  <rth@redhat.com>
 617
 618         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
 619         by reference.
 620         (ind_gimplify_va_arg_expr): Remove.
 621         * tree.h (ind_gimplify_va_arg_expr): Remove.
 622         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
 623         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
 624         argsp to be null.
 625
 626         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
 627         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
 628         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
 629         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
 630         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
 631
 632 2004-07-13  Richard Henderson  <rth@redhat.com>
 633
 634         * function.c (pass_by_reference): New.
 635         (assign_parm_find_data_types): Use it.
 636         * calls.c (initialize_argument_information): Likewise.
 637         (emit_library_call_value_1): Likewise.
 638         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
 639         * function.h (pass_by_reference): Declare.
 640
 641 2004-07-13  Richard Henderson  <rth@redhat.com>
 642
 643         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
 644         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
 645         * expr.h (MUST_PASS_IN_STACK): Remove.
 646         * system.h (MUST_PASS_IN_STACK): Poison.
 647         * tree.h (must_pass_in_stack_var_size): Declare.
 648         (must_pass_in_stack_var_size_or_pad): Declare.
 649         * calls.c (must_pass_in_stack_var_size): New.
 650         (must_pass_in_stack_var_size_or_pad): Rename from
 651         default_must_pass_in_stack.
 652         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
 653         (TARGET_MUST_PASS_IN_STACK): New.
 654         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
 655         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
 656         (TARGET_MUST_PASS_IN_STACK): New.
 657         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
 658         * config/frv/frv.c (frv_must_pass_in_stack): New.
 659         (TARGET_MUST_PASS_IN_STACK): New.
 660         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
 661         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
 662         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
 663         (ix86_must_pass_in_stack): Make static.
 664         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
 665         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
 666         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
 667         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
 668         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
 669         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
 670         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
 671         (mcore_must_pass_on_stack): Remove.
 672         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
 673         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
 674         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
 675         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
 676         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
 677         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
 678         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
 679         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
 680         (TARGET_MUST_PASS_IN_STACK): New.
 681         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
 682         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
 683         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
 684         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
 685         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
 686         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
 687         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
 688         MUST_PASS_IN_STACK.
 689
 690         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
 691         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
 692         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
 693         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
 694         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
 695         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
 696         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
 697         config/xtensa/xtensa.c: Use target hook.
 698
 699 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
 700
 701         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
 702         * configure: Rebuilt.
 703
 704 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
 705
 706         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
 707         * config/mips/mips.h (mips_reg_names): Don't declare.
 708         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
 709         (TARGET_NAME_REGS): Delete.
 710         (TARGET_SWITCHES): Remove -mrnames.
 711         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
 712         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
 713         in REGISTER_NAMES.
 714         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
 715         (override_options): Remove handling of TARGET_NAME_REGS.
 716
 717 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
 718
 719         * config/mips/mips.h (TARGET_*): Boolify.
 720
 721 2004-07-12  Nick Clifton  <nickc@redhat.com>
 722
 723         * config.gcc: Add sh-*-symbianelf target.
 724         * config/sh/sh.c: Add new target macros:
 725         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
 726         TARGET_CXX_IMPORT_EXPORT_CLASS.
 727         (sh_file_start): Create a definition of the .directive section.
 728         (sh_attribute): Add dllimport and dllexport attributes.
 729         * config/sh/symbian-pre.h: New file.
 730         * config/sh/symbian-post.h: New file.
 731         * config/sh/symbian.c: New file. Contains Symbian specific
 732         functions.
 733         * config/sh/sh-protos.h: Add prototypes for new functions
 734         provided by symbian.c.
 735         * config/sh/t-symbian: New file.
 736         * doc/extend.texi: Document support for dllimport and dllexport
 737         attributes by the sh-symbianelf target.
 738
 739 2004-07-12  James E Wilson  <wilson@specifixinc.com>
 740
 741         * Makefile.in (AR): Use @AR@ not ar.
 742         (NM): New.
 743         (AR_FOR_TARGET): Use $(AR) not ar for native.
 744         (NM_FOR_TARGET): Use $(NM) not nm for native.
 745         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
 746         * configure: Regenerate.
 747
 748 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
 749
 750         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
 751         special case.
 752         (ashldi3_sp64): Likewise.
 753
 754 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 755
 756         PR target/16477
 757         * pa.c (function_arg): Update comment.
 758         * pa.h (BLOCK_REG_PADDING): Define.
 759
 760 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 761
 762         PR tree-optimization/16461
 763         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
 764         arguments of phi nodes.
 765
 766 2004-07-12  Devang Patel  <dpatel@apple.com>
 767
 768         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
 769
 770 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
 771
 772         * function.c (expand_function_start): Ensure r_save is in Pmode.
 773         * calls.c (prepare_call_address): Ensure static_chain_value is
 774         in Pmode.
 775         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
 776         r_save_area are in Pmode.
 777         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
 778         fnaddr, and static_chain are in Pmode.
 779
 780 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
 781
 782         PR target/16445
 783         * config/ia64/ia64.c (bundling): Don't count ignored insns.
 784
 785 2004-07-12  Richard Henderson  <rth@redhat.com>
 786
 787         * target.h (struct gcc_target): Move gimplify_va_arg_expr
 788         next to build_builtin_va_list.
 789         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
 790         * builtins.c (gimplify_va_arg_expr): Likewise.
 791         * gimplify.c (copy_if_shared_r): Likewise.
 792
 793 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
 794
 795         * passes.c (rest_of_decl_compilation): Don't defer call of
 796         assemble_variable if its DECL_RTL is already set.
 797
 798 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
 799
 800         * cfgloop.h (struct loop): Add nb_iterations field.
 801         (current_loops): Declare.
 802         * tree-chrec.c (chrec_not_analyzed_yet,
 803         chrec_dont_know, chrec_known, count_ev_in_wider_type,
 804         chrec_contains_symbols_defined_in_loop): Remove the temporary
 805         hooks.
 806         * tree-flow-inline.h (loop_containing_stmt): New function.
 807         * tree-scalar-evolution.c: Add implementation.
 808         * tree-scalar-evolution.h: Add declarations.
 809
 810 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
 811
 812         PR rtl-optimization/15921
 813         * Makefile.in (global.o): Add recog.h.
 814
 815         * global.c (recog.h): Add the include-clause.
 816         (bb_info): New member earlyclobber.
 817         (allocate_bb_info, free_bb_info): Initialize/finish the new
 818         member.
 819         (earlyclobber_regclass, earlyclobber_regclass_length): The new
 820         global variables.
 821         (check_earlyclobber, regclass_intersect,
 822         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
 823         New functions.
 824         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
 825         (make_accurate_live_analysis): Modify pavin.
 826
 827 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
 828
 829         * tree-cfg.c (find_taken_edge): Statically compute the truth
 830         value of a predicate comparing an SSA_NAME to itself.
 831
 832 2004-07-12  Roger Sayle  <roger@eyesopen.com>
 833
 834         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
 835         rs6000 doesn't have shift-and-add or shift-and-sub instructions
 836         by returning the cost of a multiplication plus an addition.
 837
 838 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
 839
 840         PR tree-optimization/14107
 841         * gimplify.c (gimplify_return_expr): Accept a
 842         RETURN_EXPR with an error argument.
 843         * tree-optimize.c (init_tree_optimization_passes):
 844         Run pass_warn_function_return at -O0.
 845
 846 2004-07-12  Roger Sayle  <roger@eyesopen.com>
 847
 848         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
 849         index entry.
 850
 851 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
 852
 853         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
 854         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
 855         * config/mips/3000.md: Add copyright notice.  Remove automota and
 856         function units; use generic ones instead.  Only define reservations
 857         for things that are different from generic.md.  Extend each clause
 858         to include r3900.
 859         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
 860         * config/mips/mips.md: Include them. Remove define_function_units.
 861         (alu, imuldiv): New automata and units.
 862
 863 2004-07-12  Ben Elliston  <bje@au.ibm.com>
 864
 865         * doc/invoke.texi (Optimize Options): Document -frename-registers
 866         not being enabled by default at -O3.
 867
 868 2004-07-11  Roger Sayle  <roger@eyesopen.com>
 869
 870         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
 871         floating point additions, to keep real immediate constant positive.
 872         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
 873         into X + C, and leave positive real constants as X - C.
 874
 875 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 876
 877         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
 878
 879 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 880
 881         PR tree-optimization/15654
 882         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
 883
 884 2004-07-11  Roger Sayle  <roger@eyesopen.com>
 885
 886         * builtins.c (fold_builtin_fputs): Don't bother converting the
 887         return type to integer_type_node, as we've already checked that
 888         the result will be ignored.
 889
 890         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
 891         that signed addition, subtraction, multiplication, division,
 892         remainder, negation and absolute value may potentially trap.
 893
 894         * fold-const.c (fold_ignored_result): New function to strip
 895         non-side-effecting tree nodes from an expression whose result
 896         is ignored.
 897         (fold_convert): Call fold_ignored_result when casting a value
 898         to VOID_TYPE.
 899         (omit_one_operand):  Call fold_ignored_result on the "omitted"
 900         operand when building a COMPOUND_EXPR.
 901         (pedantic_omit_one_operand): Likewise.
 902         * tree.h (fold_ignored_result): Prototype here.
 903         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
 904         when we're going to ignore the result.
 905
 906 2004-07-11  Richard Henderson  <rth@redhat.com>
 907
 908         PR tree-opt/16383
 909         * tree-ssa-ccp.c (fold_stmt_r): Split out...
 910         * tree.c (fields_compatible_p, find_compatible_field): ... new.
 911         * tree.h (fields_compatible_p, find_compatible_field): Declare.
 912         * tree-sra.c (sra_hash_tree): Hash fields by offset.
 913         (sra_elt_eq): Use fields_compatible_p.
 914         (generate_one_element_ref): Use find_compatible_field.
 915
 916 2004-07-11  Richard Henderson  <rth@redhat.com>
 917
 918         PR tree-opt/16422
 919         * tree-sra.c (generate_one_element_init): New.
 920         (generate_element_init): Use it.
 921         (scalarize_init): Push/pop gimplify context around it.
 922         (find_new_referenced_vars_1, find_new_referenced_vars): New.
 923         * gimplify.c (gimplify_expr): Allow SSA_NAME.
 924
 925 2004-07-11  Roger Sayle  <roger@eyesopen.com>
 926
 927         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
 928         combine.c's combine_insn_cost.
 929         * rtl.h (insn_rtx_cost): Prototype here.
 930         * combine.c (combine_insn_cost): Delete function.
 931         (combine_validate_cost): Update callers of combine_insn_cost to
 932         call insn_rtx_cost instead.
 933         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
 934         requesting the rtx_cost of call and/or jump instructions.
 935
 936         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
 937         rtx_cost directly.  Don't request/use the cost of call or jump
 938         instructions.  Return -1 if the cost of any instruction can't be
 939         determined (or the BB contains a function call).
 940         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
 941         -1 (i.e. can't determine the cost of any instruction or the basic
 942         block contains a subroutine call).
 943         (find_if_case_2): Likewise.
 944
 945 2004-07-11  Roger Sayle  <roger@eyesopen.com>
 946
 947         * rs6000.c (struct processor_costs): Change semantics of fields to
 948         include the COST_N_INSNS scaling, and update all initializers.
 949         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
 950         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
 951         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
 952         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
 953
 954 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
 955
 956         * LANGUAGES: Remove obsolete information.
 957
 958 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
 959
 960         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
 961         SIGBUS signal frames, the PSW address points *to* the faulting
 962         instruction, not after it.
 963
 964 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
 965
 966         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
 967         added to TLS symbol addresses.
 968
 969 2004-07-11  Richard Henderson  <rth@redhat.com>
 970
 971         * expmed.c (init_expmed): Use stack-local structures for
 972         temporary rtl.  Don't recognize shifts.
 973
 974 2004-07-11  Richard Henderson  <rth@redhat.com>
 975
 976         * expr.c (store_expr): Don't fiddle subreg promotion for types
 977         with precision smaller than the mode.
 978
 979 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
 980
 981         * tree.h (all_types_permanent): Remove.
 982
 983 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
 984
 985         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
 986         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
 987         * langhooks.c (lhd_clear_binding_stack): Remove.
 988         * langhooks-def.h (lhd_clear_binding_stack,
 989         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
 990         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
 991         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
 992         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
 993         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
 994         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
 995         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
 996         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
 997         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
 998         * tree.h (poplevel): Don't declare.
 999         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1000         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1001         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1002         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1003         Remove.
1004
1005 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1006
1007         PR tree-optimization/16437
1008         * c-common.c (shorten_compare): Don't mark result of conversion to
1009         narrower signed type as overflowing.
1010         * fold-const.c (decode_field_reference): Determine whether
1011         signedness comes from outer type using precision rather than size.
1012
1013 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1014
1015         * configure.ac:  Alphabetize --enable-checking list, add
1016         missing valgrind entry.
1017         * configure:  Regenerate.
1018
1019 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1020
1021         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1022
1023 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1024
1025         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1026
1027 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1028
1029         PR rtl-optimization/16001
1030         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1031         niter_expr.
1032
1033 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1034
1035         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1036
1037 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1038             James Morrison  <phython@gcc.gnu.org>
1039
1040         * doc/contrib.texi (Contributors): Add gfortran contributors and
1041         fix a couple of typos.
1042
1043 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1044
1045         PR rtl-optimization/15387
1046         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1047         to incoming args space correctly.
1048
1049 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1050
1051         * pa.c (output_indirect_call): Only use %r2 as the link register in
1052         indirect calls with the long PA 2.0 pc-relative branch.
1053
1054 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1055
1056         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1057         for the default tuning if TARGET_64BIT.
1058
1059 2004-07-10  Richard Henderson  <rth@redhat.com>
1060
1061         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1062         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1063
1064 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1065
1066         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1067         * expmed.c (store_bit_field, extract_bit_field): Remove last
1068         argument.
1069         * builtins.c (expand_builtin_signbit): Adjust callers.
1070         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1071         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1072         * ifcvt.c (noce_emit_move_insn): Likewise.
1073         * stmt.c (expand_return): Likewise.
1074         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1075         store_field, expand_expr_real_1): Likewise.
1076
1077 2004-07-10  Richard Henderson  <rth@redhat.com>
1078
1079         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1080
1081 2004-07-09  Mike Stump  <mrs@apple.com>
1082
1083         * config/darwin.c (no_dead_strip): Add.
1084         (HAVE_DEAD_STRIP): Add.
1085         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1086         the .eh label.
1087
1088 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1089
1090         * tree-ssa-loop-im.c: New file.
1091         * Makefile.in (tree-ssa-loop-im.o): Add.
1092         * cfgloop.c (superloop_at_depth): New function.
1093         * cfgloop.h (superloop_at_depth): Declare.
1094         * common.opt (ftree-lim): New flag.
1095         * expr.c (array_ref_up_bound): New function.
1096         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1097         * timevar.def (TV_LIM): New timevar.
1098         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1099         computing immediate uses of a phi node.
1100         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1101         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1102         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1103         * tree-pass.h (pass_lim): Declare.
1104         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1105         functions.
1106         (pass_lim): New pass structure.
1107         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1108         * tree.c (in_array_bounds_p): New function.
1109         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1110         (in_array_bounds_p, array_ref_up_bound): Declare.
1111         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1112         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1113
1114 2004-07-09  Richard Henderson  <rth@redhat.com>
1115
1116         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1117
1118         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1119         with prejudice.
1120
1121 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1122
1123         * flags.h: Delete redundant prototypes that are being generated
1124         in options.h from common.opt.
1125         * common.opt: Add in the expository comments formerly in flags.h.
1126
1127 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1128
1129         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1130         available for use only when TARGET_MMX/_SSE is set, and check for
1131         variable argument function if any register count is non-zero.
1132         (function_arg): Correctly suppress repeated warnings for passing SSE
1133         vectors are arguments without SSE enabled.
1134         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1135         would be SSE register modes does no longer influence the alignment.
1136
1137 2004-07-09  Richard Henderson  <rth@redhat.com>
1138
1139         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1140         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1141         Maintain type-correctness of constants.
1142         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1143
1144 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1145
1146         * config/sparc/sparc.c (*_costs): Scale instruction costs
1147         by COSTS_N_INSNS.
1148         (sparc_rtx_costs): Adjust as appropriate.
1149
1150 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1151
1152         * config/i386/mm3dnow.h: New.
1153         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1154
1155 2004-07-09  Richard Henderson  <rth@redhat.com>
1156
1157         * simplify-rtx.c (simplify_const_relational_operation): Only
1158         look at bounds of scalar integers.
1159
1160 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1161
1162         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1163
1164 2004-07-09  Andrew Pinski  <apinski@apple.com>
1165
1166         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1167         always referenced.
1168         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1169         UOBJC_METACLASS_decl.
1170
1171 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1172
1173         PR target/16364
1174         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1175         do return a parallel if hfa_mode == XFmode and mode == TImode.
1176
1177 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1178
1179         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1180         permissible for unary plus.
1181
1182 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1183
1184         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1185         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1186         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1187         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1188         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1189         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1190         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1191         (BUILTIN_xxxIMAX): New.
1192         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1193         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1194         BUILT_IN_PARITYIMAX.
1195
1196 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1197
1198         * config/sparc/sparc.h (processor_costs): Define.
1199         (sparc_costs): Declare.
1200         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1201         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1202         ultrasparc3_costs): New.
1203         (sparc_override_options): Set sparc_costs as appropriate.
1204         (sparc_rtx_costs): Use sparc_costs instead of messy
1205         conditionals.
1206
1207 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1208
1209         * doc/md.texi (Processor pipeline description): Mention that
1210         the old pipeline description is deprecated.
1211
1212         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1213         mciu_7450 function unit to...
1214         (automaton ppc7450mciu): ...new automaton.
1215
1216         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1217         (schedule_block): Don't consider inserting bubbles.
1218         (sched_init): Don't initialize DFA bubbles.
1219         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1220         TARGET_SCHED_DFA_BUBBLE): Remove.
1221         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1222         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1223         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1224
1225         * stmt.c (conditional_context): Remove prototype.
1226         * tree.h (conditional_context): Remove.
1227         * tree-cfg.c (pre_insert_on_edge): Remove.
1228
1229         * c-common.h (c_expand_asm_operands): Remove prototype.
1230         * c-typeck.c (c_expand_asm_operands): Remove.
1231
1232 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1233
1234         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1235         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1236         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1237         and V8QI are class SSE. All sufficiently small remaining vector modes
1238         must be passed in one or two integer registers.
1239         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1240         returned in memory.
1241         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1242         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1243         and must thus be handled explicitly.
1244         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1245         MMX and XMM regs.
1246         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1247         movv2sf_internal): Permit moving between MMX and XMM registers (since
1248         MMX areguments and return values are passed in XMM registers).
1249         (sse2_umulsidi3): Correct type and mode.
1250
1251 2004-07-09  Richard Henderson  <rth@redhat.com>
1252
1253         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1254
1255 2004-07-09  Eric Christopher  <echristo@redhat.com>
1256
1257         * config/rs6000/40x.md: Split into two automatons.
1258
1259 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1260             Andrew Pinski  <apinski@apple.com>
1261
1262         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1263         on when we have more than one input file.
1264         (c_common_parse_file): Restore loop over all input files.
1265         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1266
1267         * c-decl.c (set_type_context): New function.
1268         (pop_scope): Use it to set context of types.  When we
1269         encounter a TYPE_DECL, set the context of the attached type too.
1270         (pop_file_scope): Don't call cpp_undef_all here.
1271         (diagnose_mismatched_decls): Do not complain about a second
1272         definition of an 'extern inline' function if it's not in the
1273         same translation unit.  Do not complain about inline
1274         declaration after use if the use was in a different
1275         translation unit.
1276         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1277         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1278         the external scope.
1279         (pushdecl_top_level): Likewise.
1280         (grokdeclarator): Clarify what is going on with setting
1281         DECL_EXTERNAL on function types, a little.
1282         (c_write_global_declarations): Don't do anything if
1283         -fsyntax-only or errors have been encountered.
1284
1285 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1286
1287         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1288
1289 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1290
1291         PR target/16459
1292         * pa.c (output_indirect_call): Use %r2 as the link register when
1293         calling $$dyncall with a pc-relative branch.
1294
1295 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1296
1297         * doc/install.texi (Binaries): Mention OpenPKG.
1298
1299 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1300
1301         Fix PR tree-optimization/15555
1302         * tree-dfa.c (dump_variable): If the variable is a pointer
1303         SSA_NAME, also dump its points-to information.
1304         * tree-flow.h (struct ptr_info_def): Add field
1305         is_dereferenced.
1306         (dump_points_to_info_for): Declare.
1307         (debug_points_to_info_for): Declare.
1308         * tree-optimize.c (init_tree_optimization_passes): Add a
1309         second alias analysis pass after DOM2.
1310         Move pass_del_pta to a later spot.
1311         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1312         create a name tags when we find a dereferenced pointer.  Just
1313         mark the pointer dereferenced.
1314         (collect_points_to_info_for): Move code to clear points-to
1315         information to create_name_tags.
1316         (create_name_tags): New function.
1317         (compute_flow_sensitive_aliasing): Call it.
1318         (setup_pointers_and_addressables): Mark type tags for renaming
1319         here instead of ...
1320         (create_memory_tag): ... here.
1321         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1322         (dump_points_to_info_for): Declare extern.
1323         (debug_points_to_info_for): New function.
1324
1325 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1326
1327         * config/arc/arc.md: Switch to DFA-based scheduler description.
1328         * config/arc/arc.c: Switch to DFA-based scheduler description.
1329
1330 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1331
1332         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1333         pointer.
1334
1335 2004-07-09  Richard Henderson  <rth@redhat.com>
1336
1337         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1338         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1339         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1340         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1341
1342         * config/v850/v850-protos.h (v850_va_arg): Remove.
1343         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1344         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1345         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1346         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1347         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1348
1349 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1350
1351         PR target/12133
1352         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1353         and DImode to use +/-4k offset.
1354
1355 2004-07-09  Richard Henderson  <rth@redhat.com>
1356
1357         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1358         Remove.
1359         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1360         (xstormy16_gimplify_va_arg_expr): Rewrite from
1361         xstormy16_expand_builtin_va_arg.
1362         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1363
1364         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1365         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1366
1367         * config/sh/sh-protos.h (sh_va_arg): Remove.
1368         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1369         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1370         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1371
1372         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1373         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1374         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1375         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1376
1377         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1378         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1379         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1380         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1381
1382 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1383
1384         * config/sparc/sparc.md (return): Rewrite length formula.
1385         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1386         argument to final_scan_insn when in a delay slot.
1387         (output_sibcall): Likewise.
1388
1389 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1390
1391         * arm.c (arm_cpp_interwork): New variable.
1392         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1393         line.
1394         * arm.h (arm_cpp_interwork): Declare it.
1395         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1396         __THUMB_INTERWORK__ in the preprocessor.
1397
1398 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1399
1400         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1401
1402 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1403
1404         PR target/16416
1405         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1406         Override default settings to account for -m32 and -m64.
1407
1408 2004-07-08  Randolph Chung  <tausq@debian.org>
1409
1410         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1411
1412 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1413
1414         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1415         before comparing it as such.
1416
1417 2004-07-08  Richard Henderson  <rth@redhat.com>
1418
1419         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1420         temporary.  Use bit arithmetic to align.
1421
1422 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1423
1424         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1425         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1426         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1427         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1428         add_labels_and_missing_jumps, find_jump_block,
1429         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1430         Likewise.
1431         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1432         link_btr_uses, move_btr_def): Likewise.
1433         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1434         expand_builtin_expect_jump): Likewise.
1435         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1436         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1437         * cfganal.c (forwarder_block_p): Likewise.
1438         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1439         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1440         find_bb_boundaries): Likewise.
1441         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1442         merge_blocks_move_predecessor_nojumps,
1443         merge_blocks_move_successor_nojumps, insns_match_p,
1444         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1445         try_optimize_cfg): Likewise.
1446         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1447         * cfglayout.c (skip_insns_after_block, label_for_bb,
1448         record_effective_endpoints, insn_locators_initialize,
1449         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1450         * cfgmainloop.c (create_loop_notes): Likewise.
1451         * cfgrtl.c (delete_insn, delete_insn_chain,
1452         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1453         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1454         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1455         redirect_branch_edge, force_nonfallthru_and_redirect,
1456         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1457         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1458         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1459         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1460         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1461         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1462         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1463         * combine.c (combine_instructions, can_combine_p, try_combine,
1464         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1465         distribute_notes, distribute_links, insn_cuid): Likewise.
1466         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1467         invalidate_skipped_block, cse_set_around_loop,
1468         cse_end_of_basic_block, cse_main, cse_basic_block,
1469         cse_condition_code_reg): Likewise.
1470         * cselib.c (cselib_process_insn): Likewise.
1471         * ddg.c (create_ddg): Likewise.
1472         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1473         Likewise.
1474         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1475         gen_label_die, dwarf2out_var_location): Likewise.
1476         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1477         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1478         last_call_insn, active_insn_p, next_label, prev_label,
1479         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1480         add_insn_before, remove_insn, add_function_usage_to,
1481         reorder_insns, find_line_note, remove_unnecessary_notes,
1482         emit_insn_after_1, classify_insn): Likewise.
1483         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1484         connect_post_landing_pads, sjlj_mark_call_sites,
1485         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1486         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1487         convert_to_eh_region_ranges): Likewise.
1488         * explow.c (optimize_save_area_alloca): Likewise.
1489         * expr.c (expand_expr_real): Likewise.
1490         * final.c (insn_current_reference_address, compute_alignments,
1491         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1492         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1493         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1494         propagate_block_delete_insn, propagate_one_insn,
1495         init_propagate_block_info, propagate_block, libcall_dead_p,
1496         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1497         Likewise.
1498         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1499         expand_function_start, expand_function_end, contains,
1500         thread_prologue_and_epilogue_insns,
1501         reposition_prologue_and_epilogue_notes): Likewise.
1502         * gcse.c (constprop_register, bypass_conditional_jumps,
1503         insert_insn_end_bb, gcse_after_reload): Likewise.
1504         * genemit.c (gen_expand, gen_split): Likewise.
1505         * genpeep.c (gen_peephole, main): Likewise.
1506         * global.c (build_insn_chain): Likewise.
1507         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1508         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1509         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1510         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1511         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1512         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1513         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1514         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1515         dead_or_predicable): Likewise.
1516         * integrate.c (try_constants): Likewise.
1517         * jump.c (rebuild_jump_labels, cleanup_barriers,
1518         purge_line_number_notes, init_label_info, mark_all_labels,
1519         squeeze_notes, get_label_before, get_label_after,
1520         reversed_comparison_code_parts, simplejump_p, pc_set,
1521         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1522         delete_barrier, delete_prior_computation, delete_computation,
1523         delete_related_insns, delete_for_peephole, redirect_jump):
1524         Likewise.
1525         * lcm.c (optimize_mode_switching): Likewise.
1526         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1527         Likewise.
1528         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1529         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1530         * loop-iv.c (simplify_using_assignment): Likewise.
1531         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1532         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1533         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1534         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1535         check_insn_for_givs, check_final_value, update_giv_derive,
1536         basic_induction_var, product_cheap_p, check_dbra_loop,
1537         loop_insn_first_p, last_use_this_basic_block,
1538         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1539         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1540         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1541         sms_schedule_by_order): Likewise.
1542         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1543         * postreload.c (reload_cse_simplify_operands, reload_combine,
1544         reload_cse_move2add): Likewise.
1545         * predict.c (can_predict_insn_p, estimate_probability,
1546         expected_value_to_br_prob, process_note_predictions): Likewise.
1547         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1548         * profile.c (branch_prob): Likewise.
1549         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1550         detect_webs_set_in_cond_jump): Likewise.
1551         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1552         ra_print_rtl_with_bb): Likewise.
1553         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1554         * recog.c (next_insn_tests_no_inequality, find_single_use,
1555         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1556         * reg-stack.c (next_flags_user, record_label_references,
1557         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1558         compensate_edge, convert_regs_1): Likewise.
1559         * regclass.c (scan_one_insn): Likewise.
1560         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1561         regmove_optimize, fixup_match_1, single_set_for_csa,
1562         combine_stack_adjustments_for_block): Likewise.
1563         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1564         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1565         find_equiv_reg): Likewise.
1566         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1567         reload_as_needed, emit_input_reload_insns, do_output_reload,
1568         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1569         Likewise.
1570         * reorg.c (find_end_label, emit_delay_sequence,
1571         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1572         get_jump_flags, rare_destination, mostly_true_jump,
1573         try_merge_delay_insns, redundant_insn, own_thread_p,
1574         fill_simple_delay_slots, fill_slots_from_thread,
1575         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1576         dbr_schedule): Likewise.
1577         * resource.c (find_basic_block, next_insn_no_annul,
1578         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1579         * rtl.h (RTX_PREV): Likewise.
1580         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1581         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1582         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1583         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1584         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1585         find_first_parameter_load, can_hoist_insn_p): Likewise.
1586         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1587         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1588         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1589         schedule_ebbs): Likewise.
1590         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1591         is_conditionally_protected, can_schedule_ready_p,
1592         add_branch_dependences, debug_dependencies): Likewise.
1593         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1594         Likewise.
1595         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1596         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1597         set_dominates_use, ujump_to_loop_cont): Likewise.
1598         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1599         * varasm.c (output_constant_pool_1): Likewise.
1600
1601 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1602
1603         * tree-scalar-evolution.c: New file.
1604         * tree-scalar-evolution.h: New file.
1605         * tree-ssa-loop-niter.c: New file.
1606         * Makefile.in (SCEV_H): New.
1607         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1608         * cfgloop.h (struct loop): Add bounds field.
1609         * tree-flow.h (struct tree_niter_desc): New type.
1610         (number_of_iterations_cond, number_of_iterations_exit,
1611         loop_niter_by_eval, find_loop_niter_by_eval,
1612         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1613         free_numbers_of_iterations_estimates): Declare.
1614         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1615         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1616         * doc/invoke.texi (max-iterations-to-track): Document.
1617
1618 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1619
1620         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1621         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1622         (MODE_AFTER): Add cast appropriately.
1623         * config/sh/sh.md (movdi splitter): Likewise.
1624         (casesi_worker_2): Add const qualifier appropriately.
1625         (eh_return): Remove unused variable.
1626         (insv): Initialize v;
1627
1628 2004-07-08  Richard Henderson  <rth@redhat.com>
1629
1630         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1631         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1632         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1633         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1634         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1635
1636         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1637         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1638         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1639         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1640
1641         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1642         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1643         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1644         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1645
1646         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1647         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1648         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1649         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1650
1651         * config/i860/i860-protos.h (i860_va_arg): Remove.
1652         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1653         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1654         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1655
1656 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1657
1658         * system.h: Prototype getpagesize if missing.
1659         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1660         * configure: Regenerate.
1661         * config.in: Regenerate.
1662
1663 2004-07-08  Richard Henderson  <rth@redhat.com>
1664
1665         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1666         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1667         (fr30_gimplify_va_arg_expr): New.
1668         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1669         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1670
1671 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1672
1673         PR target/16414
1674         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1675         of asm_noperands result.
1676
1677 2004-07-08  Richard Henderson  <rth@redhat.com>
1678
1679         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1680         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1681         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1682         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1683
1684 2004-07-08  Richard Henderson  <rth@redhat.com>
1685
1686         * builtins.c (ind_gimplify_va_arg_expr): New.
1687         * tree.h (ind_gimplify_va_arg_expr): Declare.
1688         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1689
1690 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1691
1692         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1693         patterns also on vector elements other than the first one.
1694         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1695         break statements.
1696
1697 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1698
1699         * config/rs6000/darwin-ldouble.c: Correct reference
1700         to the Linnainmaa paper.
1701
1702 2004-07-08  Richard Henderson  <rth@redhat.com>
1703
1704         * config/arc/arc-protos.h (arc_va_arg): Remove.
1705         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1706         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1707         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1708
1709         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1710         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1711         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1712         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1713
1714 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1715
1716         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1717
1718 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1719
1720         * c-decl.c (static_ctors, static_dtors): Make static.
1721         (pop_file_scope): Call c_common_write_pch and
1722         cgraph_finalize_compilation_unit here.
1723         (build_cdtor): Moved here from c-objc-common.c; simplify.
1724         (c_write_global_declarations_1): Clarify comment.
1725         (c_write_global_declarations): Close the external scope before
1726         doing anything else.  Call build_cdtor, cgraph_optimize, and
1727         mudflap_finish_file here.
1728         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1729         Clarify comment.
1730         * c-objc-common.c: No need to include cgraph.h.
1731         (build_cdtor): Moved to c-decl.c.
1732         (c_objc_common_finish_file): Delete.
1733         * c-tree.h: Update to match.
1734         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1735         (generate_static_references): Set TREE_USED before calling finish_decl.
1736         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1737         on the static_instances_decl.
1738
1739 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1740
1741         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1742         decls when there is only one input translation unit.
1743         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1744         change of 2004-07-05; do not treat declarations with
1745         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1746         * opts.c (cur_in_fname): Delete.
1747         * opts.h: Likewise.
1748         * tree.c: Revert changes of 2004-07-05; no special treatment
1749         for TRANSLATION_UNIT_DECLs.
1750         * Makefile.in (tree.o): Update dependencies.
1751
1752 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1753
1754         * builtins.c (fold_builtin_strcpy): Merge functionality from
1755         simplify_builtin_strcpy.  Add additional len argument.  No longer
1756         static.  Remove function prototype.
1757         (fold_builtin_strncpy): Likewise integrate functionality from
1758         simplify_builtin_strncpy.  Add additional slen argument.  No
1759         longer static.  Remove function prototype.
1760         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1761         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1762         types of "ignore" and "unlocked" parameters to bool.
1763         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1764         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1765         builtins.  Update arguments to fold_builtin_strncpy and
1766         fold_builtin_strcpy.  Add function prototype.
1767         (fold_builtin): Add additional Boolean ignore argument to pass
1768         to fold_builtin_1.
1769         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1770         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1771         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1772
1773         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1774         simplify_builtin_strncpy): Delete function prototypes.
1775         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1776         fold_builtin_strncpy): Add function prototypes here.
1777         (fold_builtin): Update function prototype with new "bool ignore".
1778
1779         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1780         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1781         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1782         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1783         simplify_builtin_strncpy respectively.
1784         * fold-const.c (fold): Update call to fold_builtin.
1785
1786 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1787
1788         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1789         to strcpy.
1790
1791         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1792         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1793         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1794         * calls.c: Remove ifdefs of macros above.
1795         * functions.c: Likewise.
1796         * expr.c: Likewise.
1797
1798 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1799
1800         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1801         (arch attribute): Delete.
1802         (current_function_calls_alloca attribute): Rename into calls_alloca.
1803         (calls_eh_return): New attribute.
1804         (leaf_function): Likewise.
1805         (length attribute): Fix formula for sibcalls.
1806         (return insn): Correctly compute the 'length' attribute.
1807         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1808
1809 2004-07-08  Richard Henderson  <rth@redhat.com>
1810
1811         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1812         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1813         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1814         * tree-eh.c (lower_eh_constructs_1): Likewise.
1815         * tree-sra.c (sra_walk_modify_expr): Likewise.
1816         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1817         (eliminate_unnecessary_stmts): Likewise.
1818         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1819         * tree-tailcall.c (optimize_tail_call): Likewise.
1820         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1821
1822 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1823             Jakub Jelinek  <jakub@redhat.com>
1824
1825         * config/i386/i386.c (override_options): Enable
1826         SSE prefetches with -mtune, as long as we are
1827         compiling for i686 or higher.  All i686 processors
1828         accept SSE prefetches as NOPS, some i586's don't.
1829
1830 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1831
1832         PR target/10567
1833         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1834
1835 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1836
1837         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1838         the handling of clobbering ASM_EXPRs.
1839
1840 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1841
1842         PR target/16430
1843         * config/sparc/sparc.c (function_value): In 64-bit mode,
1844         return the aggregates larger than 16 bytes like unions.
1845
1846 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1847
1848         PR target/16199
1849         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1850         'temp' is zero, generate new pseudos as needed and emit the
1851         sequence of insns in single-assignment form.  Resync comments
1852         with code.
1853         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1854         function before reload.
1855
1856 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1857
1858         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1859
1860         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1861
1862         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1863         Allocation is signed.
1864         (VEC_reserve): Return flag, allocation is signed.
1865
1866 2004-07-08  Richard Henderson  <rth@redhat.com>
1867
1868         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1869         OBJ_TYPE_REF_OBJECT.
1870
1871 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1872             Neil Booth  <neil@daikokuya.co.uk>
1873
1874         PR c/2511
1875         PR c/3325
1876         * c-decl.c (finish_struct): Ensure bit-fields are given the
1877         correct type.
1878         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1879         the precision to match as well as the mode.
1880         * expr.c (reduce_to_bit_field_precision): New function.
1881         (expand_expr_real_1): Reduce expressions of bit-field type to
1882         proper precision.
1883         * langhooks.h (reduce_bit_field_operations): New hook.
1884         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1885         Define.
1886         * c-lang.c, objc/objc-lang.c
1887         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1888         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1889         before checking.
1890         * tree.c (build_nonstandard_integer_type): New function.
1891         * tree.h (build_nonstandard_integer_type): New prototype.
1892         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1893         conversions between integer and boolean types as useless.
1894
1895 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         * c-common.c (c_common_nodes_and_builtins): Do not
1898         create __builtin_ptrdiff_t and __builtin_size_t.
1899
1900 2004-07-08  Andrew Pinski  <apinski@apple.com>
1901
1902         * Makefile.in (libbackend.o): Add -combine to the gcc
1903         command line.
1904
1905 2004-07-08  Nick Clifton  <nickc@redhat.com>
1906
1907         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1908         Set to -Os.
1909
1910 2004-07-08  Richard Henderson  <rth@redhat.com>
1911
1912         * except.c (expand_eh_region_start, expand_eh_region_end,
1913         expand_eh_handler, expand_eh_region_end_cleanup,
1914         expand_start_all_catch, expand_start_catch, expand_end_catch,
1915         expand_end_all_catch, expand_eh_region_end_allowed,
1916         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1917         expand_eh_region_end_fixup): Remove.
1918         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1919         cleanups, outer_cleanups, label_chain, exception_region.
1920         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1921         (struct label_chain): Remove.
1922         (struct stmt_status): Remove x_stack_block_stack.
1923         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1924         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1925         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1926         end_cleanup_deferral, last_cleanup_this_contour,
1927         containing_blocks_have_cleanups_or_stack_level,
1928         any_pending_cleanups): Remove.
1929         (expand_null_return_1): Take no arguments.
1930         (expand_label, expand_naked_return, expand_return,
1931         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1932         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1933         expand_end_case_type): Don't use any of them.
1934         * calls.c (expand_call): Likewise.
1935         * dojump.c (do_jump): Likewise.
1936         * function.c (expand_function_end): Likewise.
1937         * expr.c (store_expr, expand_expr_real_1): Likewise.
1938         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1939         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1940         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1941         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1942         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1943         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1944         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1945         for WITH_CLEANUP_EXPR.
1946         (gimple_push_cleanup): Likewise.
1947         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1948         * print-tree.c (print_node): Likewise.
1949         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1950         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1951         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1952         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1953         (GOTO_SUBROUTINE_EXPR): Remove.
1954         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1955         (DECL_TOO_LATE): Remove.
1956         * except.h, tree.h: Update decls.
1957
1958 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1959
1960         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1961         * passes.c (rest_of_handle_final): Handle symout.
1962         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1963         Push timevar here.
1964         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1965         flag_schedule_insns and flag_modulo_sched.
1966         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1967         collect at the end.
1968         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1969         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1970         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1971         rest_of_handle_mode_switching, rest_of_handle_jump,
1972         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1973         rest_of_handle_jump2, rest_of_handle_postreload,
1974         rest_of_handle_flow2, rest_of_clean_state,
1975         rest_of_handle_shorten_branches,
1976         rest_of_handle_prologue_epilogue,
1977         rest_of_handle_branch_target_load_optimize): New.
1978         (rest_of_compilation): Call the above.  Remove ggc_collect
1979         calls moved to rest_of_handle_*.
1980         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1981
1982         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1983         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1984         * except.h (set_nothrow_function_flags): Update comment.
1985         * function.c (current_function_nothrow): Remove.
1986         * output.h (current_function_nothrow): Remove.
1987         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1988         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1989
1990 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1991
1992         PR bootstrap/16326
1993         * reorg.c: Revert 2004-06-30 change.
1994         (find_end_label): If HAVE_epilogue and !HAVE_return,
1995         return 0 instead of creating a label at the end of the insn chain.
1996         (optimize_skip): Account for the failure mode of find_end_label.
1997         (fill_simple_delay_slots): Likewise.
1998         (fill_slots_from_thread): Likewise.
1999         (relax_delay_slots): Likewise.
2000
2001 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2002
2003         * tree-flow.h (addressable_vars): Declare.
2004         * tree-ssa-alias.c (addressable_vars): Define.
2005         (setup_pointers_and_addressables): Add addressable variables
2006         to addressable_vars.
2007         * tree-ssa-operands.c (get_stmt_operands): Move
2008         handling of ASM_EXPRs ...
2009         (get_asm_expr_operands): ... here.
2010         When the ASM_EXPR clobbers memory, also clobber addressable
2011         variables.
2012         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2013         (delete_tree_ssa): Reset addressable_vars.
2014
2015 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2016             Richard Henderson  <rth@redhat.com>
2017
2018         * varasm.c (assemble_variable): Use assemble_zeros for
2019         zero-initialized variables.
2020         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2021         for SECCAT_BSS and SECCAT_TBSS.
2022
2023 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2024
2025         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2026
2027         * expmed.c (emit_store_flag): Also special-case double-word
2028         (in-)equality comparison against -1.
2029
2030         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2031         passing arguments the containers for which are registers.
2032
2033         * calls.c (emit_library_call_value_1): Use mode of function parameter
2034         rather than that of argument since constants have none.
2035
2036 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2037
2038         Introduce H8SX support.
2039         * expr.c (expand_strcpy): Renamed and moved to...
2040         * builtins.c (expand_movstr): ... here.  Tweak.
2041         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2042         computed or has side effects.
2043         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2044         unused, or if mempcpy fails.  Adjust the return value in the
2045         latter case.  Use movstr if everything else fails.
2046         * doc/md.texi (movstr): Document.
2047         (movmemM, clrmemM): Fix explanation of memory block operands.
2048         * config/h8300/h8300.md (stpcpy): Renamed to...
2049         (movstr): ... this.  Adjust.
2050         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2051         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2052         movmem* and clrstr* to clrmem*.
2053         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2054         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2055         GENERAL_REGS, always.
2056         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2057         getting the stack pointer as addr.
2058         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2059         from general_operand_dst.
2060         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2061         variant of...
2062         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2063         instead of requiring it to match only before reload.
2064         (stpcpy_internal_normal): New, normal-mode variant of...
2065         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2066         `D' instead of requiring it to match only before reload.
2067         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2068         mode argument.
2069         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2070         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2071         h8300_get_index.
2072         * config/h8300/h8300.md (attr type): Add call.
2073         (attr can_delay): If type is call, set it no.
2074         (call, call_value): Set type to call.
2075         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2076         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2077         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2078         * tree.c (get_narrower): Don't narrow integral types into
2079         non-integral types.
2080         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2081         frame_size *before* the first use.
2082         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2083         on input.
2084         (peephole2): Don't widen instructions that push SP.  Move
2085         decrement of SP to the end of all stm-generating peepholes.
2086         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2087         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2088         and OR to set it to all ones.
2089         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2090         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2091         (call, call_value): Set can_delay to "no".
2092         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2093         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2094         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2095         * config/h8300/h8300.md (*brabit): Remove.
2096         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2097         zero_extract.  Use bit_memory_operand as the predicate for
2098         operand 1 and 'WU' as the constraint.  Check the difference
2099         between the base length and the final one when deciding which
2100         type of branch to use.
2101         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2102         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2103         Use convert_move to extend the result for TARGET_H8300SX.  Check
2104         for QImode memory references.  Optimize the case where the
2105         destination is a paradoxical subreg.
2106         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2107         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2108         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2109         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2110         * config/h8300/h8300.md: Include mova.md
2111         (length_table): Add mova and mova_zero.
2112         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2113         after all constant addresses for '%R', '%X', '%T' and '%S'.
2114         (h8300_mova_length): New function.
2115         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2116         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2117         dependencies for s-config, etc.
2118         * config/h8300/gemova.sh: New file.
2119         * config/h8300/mova.md: Generated.
2120         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2121         * config/h8300/h8300.c (h8300_bitfield_length): New.
2122         (nibble_operand): Adjust.
2123         (h8300_binary_length): Handle conditional binary op.
2124         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2125         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2126         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2127         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2128         constraints.  WU is introduced as a variant of U that requires a
2129         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2130         * config/h8300/h8300.md (attr type): Added bitbranch.
2131         (attr length_table): Added bitfield and bitbranch.
2132         (attr length): Compute bitbranch length.
2133         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2134         least-significant bit of a byte.
2135         (brabit, brabc, brabs): New.
2136         (insv, extzv): Emit bfst and bfld on H8300SX.
2137         (bfld, bfst, seq, sne): New.
2138         (bstzhireg, cmpstz, bstz, bistz): New.
2139         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2140         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2141         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2142         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2143         (h8sx_unary_memory_operator): New function.
2144         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2145         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2146         * config/h8300/h8300.md: Add peepholes to combine reloads and
2147         arithmetic insns.
2148         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2149         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2150         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2151         (and?i, ior?i, xor?i): Likewise.
2152         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2153         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2154         Various whitespace fixes.
2155         (h8300_constant_length): New function, split out from...
2156         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2157         (h8300_classify_operand): Use IN_RANGE.
2158         (h8300_classify_operand): Use h8300_constant_length.
2159         (h8300_short_move_mem_p): Tighten size check.
2160         (h8sx_mergeable_memrefs_p): Tighten equality check.
2161         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2162         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2163         for -msx.
2164         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2165         * config/h8300/crtn.asm: Likewise.
2166         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2167         if __H8300SX__ is defined.
2168         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2169         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2170         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2171         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2172         addresses as mode-dependent.
2173         * config/h8300/h8300.c (print_operand_address): Update call to
2174         h8300_get_index.
2175         (h8300_get_index): Take a mode argument.  Rework to fix an
2176         earlier misunderstanding.
2177         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2178         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2179         into a register if TARGET_H8300SX.
2180         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2181         TARGET_H8300SX.  Also disable related define_splits.
2182         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2183         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2184         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2185         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2186         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2187         (EXTRA_CONSTRAINT_STR): Check it.
2188         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2189         class arguments.
2190         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2191         * config/h8300/h8300.md (length_table): Add mov_imm4.
2192         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2193         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2194         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2195         be a label.
2196         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2197         * config/h8300/h8300.c (h8300_reorg): New function.
2198         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2199         * config/h8300/h8300.md (length): Subtract the length of the
2200         delay slot from (pc) when checking the range of forward branches.
2201         (delay_slot, can_delay): New attributes.
2202         (define_delay): Add bra/s handling.
2203         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2204         (jump): Add delayed-branch handling.
2205         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2206         * expr.c (expand_strcpy): New function.
2207         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2208         (expand_builtin_stpcpy): Likewise.
2209         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2210         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2211         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2212         handling to improve register allocation for -fno-omit-frame-pointer.
2213         (h8sx_split_movmd): Delete, moving er6 handling into...
2214         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2215         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2216         (movmd): Add calls to copy_rtx.
2217         (movmd_internal): In the second alternative, allow the initial and
2218         final destination registers to be different .  Update the splitter
2219         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2220         instead of h8sx_split_movmd.
2221         (stpcpy, movsd): New expanders.
2222         (movsd_internal): New define_insn.
2223         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2224         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2225         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2226         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2227         and DESTINATION_REGS.
2228         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2229         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2230         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2231         (h8300_move_ratio): Declare.
2232         (MOVE_RATIO): Use it.
2233         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2234         (h8300_init_once): Initialize it.
2235         (h8300_reg_class_from_letter): New function.
2236         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2237         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2238         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2239         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2240         (movstrsi, movmd): New expanders.
2241         (movmd_internal): New insn.
2242         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2243         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2244         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2245         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2246         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2247         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2248         * config/h8300/h8300.c (nibble_operand): Fix warning.
2249         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2250         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2251         (movsf_h8300h): Disable for TARGET_H8300SX.
2252         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2253         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2254         h8300_stm_parallel and h8300_return_parallel.
2255         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2256         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2257         h8300_stm_parallel, h8300_return_parallel): New functions.
2258         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2259         if TARGET_H8300SX.  Use h8300_push_pop.
2260         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2261         and final pop when generating h8sx code.  Always emit some form
2262         of return insn.
2263         * config/h8300/h8300.md: Don't enforce register alignment in
2264         stm peepholes if TARGET_H8300SX.
2265         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2266         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2267         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2268         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2269         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2270         (MULTILIB_DIRNAMES): Add a directory for it.
2271         (MULTILIB_MATCHES): Delete.
2272         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2273         * final.c (walk_alter_subreg): Handle addresses with subregs
2274         inside a ZERO_EXTEND or AND.
2275         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2276         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2277         if TARGET_H8300SX.
2278         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2279         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2280         @(dd,Rn.w) and @(dd,ERn.L).
2281         (h8300_displacement_size): Take the whole address as argument.
2282         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2283         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2284         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2285         (h8sx_mergeable_memrefs_p): Declare.
2286         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2287         (HAVE_PRE_INCREMENT): Likewise.
2288         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2289         addresses for TARGET_H8300SX,
2290         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2291         and POST_DEC.
2292         (movb_length_table, movl_length_table): New tables.
2293         (movw_length_table): Define to movb_length_table.
2294         (h8300_displacement_size): New, split out from...
2295         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2296         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2297         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2298         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2299         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2300         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2301         (h8sx_unary_shift_operator): Get the mode from the operator.
2302         (binary_shift_operator): Likewise.
2303         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2304         a memory reference, check whether the reference is offsettable.
2305         (length_table): Add movb, movw and movl.
2306         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2307         register when generating h8sx code.
2308         (movhi, movsi, movsf): Likewise.
2309         (movstrictqi): Use the length_table attribute.
2310         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2311         (addqi3): Split into a define_expand and define_insn.  Don't accept
2312         memory operands in the expander.  Use h8300_operands_match_p to
2313         check for matching operands in the define_insn.
2314         (subqi3, negqi2, one_cmplqi2): Likewise.
2315         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2316         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2317         use h8300_operands_match_p to check whether operands match.
2318         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2319         one_cmpl[hs]i3): Likewise.
2320         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2321         in the expander.
2322         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2323         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2324         (h8300_insn_length_from_table): Add a second parameter.
2325         (output_h8sx_shift): Declare.
2326         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2327         (EXTRA_CONSTRAINT): Replace with...
2328         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2329         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2330         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2331         and h8sx_binary_shift_operator.
2332         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2333         for TARGET_H8300SX.
2334         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2335         (bit_memory_operand, fix_bit_operand): Likewise.
2336         (h8300_length_table_for_insn): Remove.
2337         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2338         instructions.
2339         (h8300_short_immediate_length, h8300_binary_length): New functions.
2340         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2341         (output_plussi): Use sub to add negative constants.
2342         (compute_plussi_length): Adjust accordingly.
2343         (h8sx_single_shift_type): New enum.
2344         (h8sx_single_shift, h8sx_unary_shift_operator,
2345         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2346         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2347         single h8sx instruction.  Return false in this case.
2348         * config/h8300/h8300.md (length_table): Add short_immediate.
2349         (length): Pass the operand array to h8300_insn_length_from_table.
2350         (adjust_length): Assume "no" for insns with a length_table attribute.
2351         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2352         (*addhi3_h8300hs): Don't use for h8sx.
2353         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2354         and sub.w #xx:3.
2355         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2356         1's predicate to nonimmediate_operand.  Only skip default expansion
2357         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2358         for single h8sx shift instructions.
2359         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2360         * config/h8300/h8300.c (nibble_operand): Split out of...
2361         (reg_or_nibble_operand): ... this.
2362         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2363         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2364         umulhisi3): Introduce expand, and introduce separate insns for
2365         sign- or zero-extended REG and already-extended CONST_INT.
2366         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2367         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2368         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2369         (subhi3): Likewise.  Don't accept immediates for operand 1.
2370         Remove the early clobber from second alternative of the h8300s pattern.
2371         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2372         on plain h8300 targets.
2373         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2374         (subsi3_h8300h): Generalize for h8sx.
2375         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2376         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2377         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2378         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2379         (TARGET_H8300SXMUL): New.
2380         (CONST_OK_FOR_P): New.
2381         (CONST_OK_FOR_LETTER_P): Adjust.
2382         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2383         umulhisi3): Accept 4-bit immediate on H8SX.
2384         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2385         (udivsi3, divhi3, udivsi3, divsi3): New.
2386         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2387         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2388         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2389         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2390         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2391         Add ADDRESSOF to the bit_operand entry.
2392         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2393         (h8300_src_operand): Likewise.
2394         (bit_operand): Check nonimmediate_operand rather than general_operand.
2395         Accept any nonimmediate_operand in h8sx code.
2396         (h8300_and_costs): Initialize operands[1].
2397         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2398         (h8300_operand_class): New enum.
2399         (h8300_length_table): New typedef.
2400         (addb_length_table, addw_length_table, addl_length_table,
2401         logicl_length_table): New tables.
2402         (logicb_length_table, logicw_length_table): New macros.
2403         (h8300_classify_operand, h8300_length_from_table,
2404         h8300_length_table_for_insn, h8300_unary_length,
2405         h8300_insn_length_from_table): New functions.
2406         (output_plussi): Only use adds and subs for register destinations.
2407         Disable redundant clause.
2408         (compute_plussi_cc): Likewise.
2409         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2410         to work out the length of an insn.
2411         (output_logical_op): Only use narrower immediate instructions
2412         if the destination is a register.
2413         (compute_logical_op_cc): Likewise.
2414         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2415         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2416         * config/h8300/h8300.md (length_table): New attribute.
2417         (length): When an instruction has a length_table attribute, use
2418         h8300_insn_length_from_table to calculate its default length.
2419         (cmpqi): Use h8300_dst_operand for the first operand and
2420         h8300_src_operand for the second.
2421         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2422         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2423         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2424         iorsi3, xorhi3, xorsi3): Likewise.
2425         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2426         so that it allows any combination of operands for TARGET_H8300SX.
2427         (iorqi3, xorqi3): Likewise.
2428         (cmpqi): Use the length_table attribute.
2429         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2430         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2431         (cmpqi): Add 'Q' constraint.
2432         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2433         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2434         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2435         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2436         (TARGET_H8300S): True for both -ms and -msx.
2437         (TARGET_H8300SX): New macro.
2438         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2439         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2440         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2441         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2442         [Temporary change.]
2443         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2444         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2445         16-bit pointers and 32-bit ints.
2446         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2447         CONST_DOUBLE with mode no wider than SImode.
2448         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2449         output operand.
2450         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2451         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2452         or SUBREG thereof.
2453         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2454         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2455         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2456
2457 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2458
2459         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2460
2461 2004-07-07  Per Bothner  <per@bothner.com>
2462
2463         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2464
2465 2004-07-07  Mike Stump  <mrs@apple.com>
2466
2467         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2468         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2469         (machopic_finish): Likewise.
2470
2471 2004-07-07  Richard Henderson  <rth@redhat.com>
2472
2473         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2474         through any value-preserving cast.
2475
2476 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2477
2478         * function.c (assign_parm_find_data_types): Call
2479         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2480
2481 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2482
2483         * tree-cfg.c (group_case_labels): Remove case labels that have
2484         the same target as the default case.
2485
2486 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2487
2488         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2489         regardless of DECL_LANG_SPECIFIC being present or not.
2490         * tree.h (DECL_NUM_STMTS): Purge.
2491
2492 2004-07-07  Andrew Pinski  <apinski@apple.com>
2493
2494         * configure: Regenerate with the right autoconf.
2495
2496 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2497
2498         * ifcvt.c (total_bb_rtx_cost): New function.
2499         (find_if_case_1): Compare rtx_cost of basic block to cost of
2500         BRANCH_COST insns.
2501         (find_if_case_2): Same.
2502
2503 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2504
2505         PR target/10567
2506         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2507         (output_return): Likewise.
2508         (output_sibcall): Abort if !flag_delayed_branch.
2509         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2510         (emit_and_preserve): New function.
2511         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2512         indirect jump to the thunked-to function if !flag_delayed_branch.
2513         * config/sparc/sparc.md (delayed_branch): New attribute.
2514         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2515         attribute to compute the length of the insn.
2516         (goto_handler_and_restore): Likewise.
2517
2518 2004-07-07  Andrew Pinski  <apinski@apple.com>
2519
2520         PR tree-optimization/15777
2521         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2522
2523         * expr.c (expand_expr_real_1): Fix formating.
2524         BUFFER_REF and IN_EXPR are dead.
2525         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2526         * tree-inline.c (estimate_num_insns_1): Likewise.
2527         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2528         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2529         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2530
2531 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2532
2533         * collect2.c (dump_file): Don't call cplus_demangle if
2534         HAVE_LD_DEMANGLE is defined.
2535         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2536         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2537         if HAVE_LD_DEMANGLE is defined.
2538
2539         * configure.ac (--with-demangler-in-ld): Added
2540         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2541         --with-demangler-in-ld is used.
2542         * config.in: Regenerated.
2543         * configure: Likewise.
2544
2545 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2546
2547         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2548         for simple floating point operations "fp", double precision
2549         multiplication "dmul", and single and double precision division
2550         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2551         (ppc630_cost): New table split from ppc620_cost, to distinguish
2552         differences in floating point latencies.
2553         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2554         (rs6000_rtx_costs): Add support for single and double precision
2555         floating point addition, subtraction, multiplication, division,
2556         fused-multiply-add, fused-multiply-sub, negation, absolute value
2557         and negative absolute value.  Tweak MEM case to use prefered idiom.
2558
2559 2004-07-07  Richard Henderson  <rth@redhat.com>
2560
2561         * tree-flow-inline.h (may_propagate_copy): Move...
2562         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2563         attempt to copy between types requiring conversion.
2564         * tree-flow.h (may_propagate_copy): Update decl.
2565         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2566
2567 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2568
2569         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2570         from -mtune= option.
2571
2572 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2573
2574         * builtins.c: Rename movstr*, except for movstrict*, to
2575         movmem* and clrstr* to clrmem*.
2576         * expr.c: Likewise.
2577         * expr.h: Likewise.
2578         * genopinit.c: Likewise.
2579         * integrate.c: Likewise.
2580         * local-alloc.c: Likewise.
2581         * optabs.c: Likewise.
2582         * optabs.h: Likewise.
2583         * config/alpha/alpha.h: Likewise.
2584         * config/alpha/alpha.md: Likewise.
2585         * config/arm/arm-protos.h: Likewise.
2586         * config/arm/arm.c: Likewise.
2587         * config/arm/arm.md: Likewise.
2588         * config/avr/avr.md: Likewise.
2589         * config/c4x/c4x.c: Likewise.
2590         * config/c4x/c4x.md: Likewise.
2591         * config/frv/frv.md: Likewise.
2592         * config/i386/i386-protos.h: Likewise.
2593         * config/i386/i386.c: Likewise.
2594         * config/i386/i386.h: Likewise.
2595         * config/i386/i386.md: Likewise.
2596         * config/i860/i860.c: Likewise.
2597         * config/i860/i860.md: Likewise.
2598         * config/ip2k/ip2k.md: Likewise.
2599         * config/ip2k/libgcc.S: Likewise.
2600         * config/ip2k/t-ip2k: Likewise.
2601         * config/m32r/m32r.c: Likewise.
2602         * config/m32r/m32r.md: Likewise.
2603         * config/mcore/mcore.md: Likewise.
2604         * config/mips/mips.c: Likewise.
2605         * config/mips/mips.md: Likewise.
2606         * config/ns32k/ns32k.c: Likewise.
2607         * config/ns32k/ns32k.h: Likewise.
2608         * config/ns32k/ns32k.md: Likewise.
2609         * config/pa/pa.c: Likewise.
2610         * config/pa/pa.md: Likewise.
2611         * config/pdp11/pdp11.h: Likewise.
2612         * config/pdp11/pdp11.md: Likewise.
2613         * config/rs6000/rs6000.c: Likewise.
2614         * config/rs6000/rs6000.md: Likewise.
2615         * config/s390/s390-protos.h: Likewise.
2616         * config/s390/s390.c: Likewise.
2617         * config/s390/s390.md: Likewise.
2618         * config/sh/lib1funcs.asm: Likewise.
2619         * config/sh/sh.c: Likewise.
2620         * config/sh/sh.md: Likewise.
2621         * config/sh/t-sh: Likewise.
2622         * config/sparc/sparc.h: Likewise.
2623         * config/vax/vax.md: Likewise.
2624         * config/xtensa/xtensa.c: Likewise.
2625         * config/xtensa/xtensa.md: Likewise.
2626         * doc/invoke.texi: Likewise.
2627         * doc/md.texi: Likewise.
2628         * doc/rtl.texi: Likewise.
2629
2630 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2631
2632         PR target/16407
2633         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2634         * config/mips/mips.c (mips_declare_common_object): New function,
2635         mostly split out from...
2636         (mips_output_aligned_decl_common): ...here.
2637         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2638         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2639         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2640         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2641
2642 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2643
2644         PR c/16392
2645         * function.c (assign_parms): Fix typo from previous change.
2646
2647 2004-07-07  Jason Merrill  <jason@redhat.com>
2648
2649         PR c++/15815
2650         * doc/extend.texi (C++ Interface): Correct information and
2651         discourage use.
2652
2653 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2654
2655         PR target/16130
2656         PR target/16142
2657         PR target/16143
2658         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2659         insn.
2660
2661 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2662
2663         PR target/1679.
2664         * config/m32r/m32r.c (m32r_function_symbol): New function:
2665         Generate a symbol name RTX with the correct m32r specific flags
2666         set.
2667         (block_move_call): Use new function to generate correct symbol.
2668         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2669         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2670         function.
2671
2672 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2673
2674         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2675         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2676         TYPE_BINFO_BASETYPE): Remove.
2677         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2678         to ...
2679         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2680         here.
2681         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2682         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2683         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2684         (struct tree_binfo): Rename base_types to base_binfos.
2685         * alias.c (record_component_aliases): Adjust BINFO macros.
2686         * dbxout.c (dbxout_type): Likewise.
2687         * dwarf2out.c (gen_member_die): Likewise.
2688         * sdbout.c (sdbout_one_type): Likewise.
2689         * tree-dump.c (deque_and_dump): Likewise.
2690         * config/i386/i386.c (classify_argument,
2691         contains_128bit_aligned_vector_p): Likewise.
2692
2693 2004-07-07  Nick Clifton  <nickc@redhat.com>
2694
2695         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2696         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2697
2698 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2699
2700         * vec.h: Fix the example use.
2701
2702 2004-07-06  Richard Henderson  <rth@redhat.com>
2703
2704         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2705         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2706         * tree-inline.c (copy_body_r, setup_one_parameter,
2707         initialize_inlined_parameters, expand_call_inline,
2708         declare_inline_vars): Don't check it.
2709         (expand_calls_inline): Remove old version, rename new version
2710         from gimple_expand_calls_inline.
2711         * tree-optimize.c (execute_gimple): Remove.
2712         (pass_gimple): Don't run anything.
2713
2714 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2715
2716         * doc/sourcebuild.texi: Use semicolons instead of commas in
2717         section title.
2718
2719 2004-07-06  Richard Henderson  <rth@redhat.com>
2720
2721         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2722         (sra_walk_modify_expr, scan_init): Likewise.
2723         (generate_element_zero): Check visited before scanning children.
2724         (generate_element_init): Set visited on error.
2725         (scalarize_init): Handle generate_element_init failure similar
2726         to use_block_copy.
2727
2728 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2729
2730         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2731         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2732
2733 2004-07-06  Richard Henderson  <rth@redhat.com>
2734
2735         * config/i386/i386.c (legitimize_pic_address): Make static.
2736         (legitimize_address): Handle CONST with TLS operand.
2737         (ix86_expand_move): Don't call legitimize_pic_address directly.
2738         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2739
2740 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2741
2742         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2743         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2744         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2745         is currently executed unconditionally, i.e. not in "else_bb".
2746
2747 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2748
2749         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2750         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2751         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2752         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2753         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2754         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2755         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2756         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2757         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2758         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2759         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2760         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2761         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2762         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2763         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2764         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2765
2766 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2767
2768         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2769         * expr.c (expand_expr_real_1): Ditto.
2770         * tree-inline.c (estimate_num_insns_1): Ditto.
2771         * tree-pretty-print.c (dump_generic_node): Ditto.
2772         (op_symbol): Ditto.
2773         * tree.def: Ditto.
2774
2775 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2776
2777         * tree-ssa-pre.c (reference_node_pool): New pool.
2778         (find_or_generate_expression): Class 'r' is okay too.
2779         (create_value_expr_from): Ditto.
2780         (add_to_sets): LHS should not include vuses.
2781         (eliminate): Ditto.
2782         (compute_avail): Reverse ordering of tests.
2783         Valuize INDIRECT_REF as well.
2784
2785 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2786
2787         PR rtl-optimization/16380
2788         * loop.c (check_dbra_loop): Sink comparison instructions if they
2789         do something other than set cc0.
2790
2791 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2792
2793         * doc/interface.texi (longjmp and automatic variables): Delete
2794         paragraph recommending taking the address of a variable.
2795
2796 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2797
2798         * vec.h (VEC_embedded_alloc): Remove.
2799         (VEC_embedded_size, VEC_embedded_init): New.
2800         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2801         MEM_STAT_INFO.
2802         (VEC_truncate): New.
2803         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2804         (vec_embedded_alloc): Remove.
2805         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2806         (vec_embedded_alloc): Remove.
2807
2808 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2809
2810         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2811         (gt-langhooks.h): Remove.
2812
2813 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2814
2815         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2816
2817 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2818
2819         * config/sparc/sparc.c (get_pc_symbol): Rename into
2820         add_pc_to_pic_symbol.
2821         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2822         (load_pic_register): Account for previous changes.
2823         Use reg_names.  Don't create the label twice.
2824         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2825         UNSPEC_LOAD_PCREL_SYM.
2826         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2827         operands.  Remove condition.
2828
2829 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2830
2831         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2832         RECORD, UNION & QUAL_UNION is actually a binfo.
2833
2834         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2835         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2836         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2837         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2838         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2839         (gen_inheritance_die): Likewise.
2840         * tree-dump.c (deque_and_dump): Likewise.
2841         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2842
2843 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2844
2845         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2846         Define.
2847         * config/mcore/mcore.md: Model memory latency with a simple DFA
2848         pipeline description instead of a define_function_unit.
2849
2850 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2851
2852         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2853         * langhooks.h (var_mod_type_p): Likewise.
2854         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2855         * expr.c (count_type_elements): Properly handle return from
2856         array_type_nelts and properly test for overflow.
2857         * gimplify.c (gimplify_init_constructor): Properly handle return
2858         from array_type_nelts.
2859         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2860         * integrate.c (copy_decl_for_inlining): Correct comments.
2861         * tree-inline.c (remap_decl): Update comments, remove dead code,
2862         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2863         (remap_type): Only remap if variably modified by vars in function
2864         being inlined.
2865         (copy_body_r): Use compatible_type langhooks to see when can fold.
2866         (setup_one_parameter): Don't remap type.
2867         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2868         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2869         compute TREE_INVARIANT for decl case.
2870         (find_var_from_fn): New function.
2871         (variably_modified_type_p): Add arg and call new function.
2872         * tree.h (variably_modified_type_p): Add extra arg.
2873
2874 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2875
2876         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2877         (goto_handler_and_restore_v9): Delete disabled insn.
2878         (goto_handler_and_restore_v9_sp64): Likewise.
2879
2880 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2881
2882         * calls.c (load_register_parameters): Call expand_shift instead
2883         of expand_binop with ashl_optab (or other shift optab) directly.
2884         * expr.c (emit_group_load, emit_group_store): Likewise.
2885         * function.c (assign_parm_setup_block): Likewise.
2886         * stmt.c (shift_return_value): Likewise.
2887
2888 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2889
2890         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2891
2892 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2893
2894         * doc/sourcebuild.texi: Revert previous patch.
2895
2896 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2897
2898         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2899         TARGET_MEM_FUNCTIONS.
2900         * system.h: Poison TARGET_MEM_FUNCTIONS.
2901         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2902         bcmp_libfunc, bzero_libfunc): Remove.
2903         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2904         bzero_libfunc.
2905         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2906         * doc/standards.texi: Don't mention calling BSD string functions.
2907         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2908         * config/vax/t-memfuncs: New.
2909         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2910         config/memset.c: New.
2911         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2912         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2913         vax/t-memfuncs.
2914         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2915         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2916         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2917         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2918         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2919         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2920         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2921         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2922         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2923         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2924
2925 2004-07-05  Richard Henderson  <rth@redhat.com>
2926
2927         * function.c (assign_parm_setup_reg): Properly rename variables in
2928         FUNCTION_ARG_CALLEE_COPIES section.
2929
2930 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2931
2932         * tree-mudflap.c: Include cgraph.h.
2933         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2934         Rewrite to create synthetic declarations instead of looking
2935         up declarations from mf-runtime.h.
2936         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2937         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2938         Correct commentary.
2939         (execute_mudflap_function_decls, mudflap_register_call):
2940         Don't call mf_init_extern_trees.
2941         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2942
2943         * tree-mudflap.h: Update prototypes.
2944         * c-mudflap.c: Delete file.
2945         * c-common.c: Include tree-mudflap.h.
2946         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2947         * Makefile.in: Remove all references to c-mudflap.o.
2948         Update dependencies.
2949
2950 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2951
2952         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2953         displacements with the spatial-locality cache-control completer.
2954
2955 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2956
2957         * langhooks.c: Don't include gt-langhooks.h.
2958         (var_labelno): Delete.
2959         (lhd_set_decl_assembler_name): Do not append a distinguishing
2960         number to file-scope internal-linkage declarations for the first
2961         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2962         the declaration itself (if at block scope), or its containing
2963         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2964         number.
2965
2966         * opts.c (cur_in_fname): New global.
2967         * opts.h: Declare it.
2968         * tree.c: Include opts.h.
2969         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2970         DECL_UID equal to cur_in_fname.
2971         (copy_node_stat): Do not change DECL_UID when copying a
2972         TRANSLATION_UNIT_DECL.
2973         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2974         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2975
2976         * c-decl.c (c_static_assembler_name): Delete.
2977         * c-tree.h (c_static_assembler_name): Delete prototype.
2978         * c-lang.c, objc/objc-lang.c: Don't override
2979         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2980
2981         * Makefile.in (tree.o): Update dependencies.
2982         (GTFILES): Remove langhooks.c.
2983
2984 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2985
2986         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2987         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2988         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2989         Optimize "X % -Y" as "X % Y" for signed modulus.
2990         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2991         into "((unsigned) X % Y) == 0".
2992
2993 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2994
2995         * sourcebuild.texi (Config Fragments): Use @comma{} in
2996         cross-reference to section title.
2997
2998 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2999
3000         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
3001         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
3002         (gimplify_target_expr, gimplify_expr): Likewise.
3003         (copy_if_shared_r): No longer need special case for BIND_EXPR.
3004         (unshare_body, unvisit_body): Only look at nested if BODY_P is
3005         whole function.
3006         (gimplify_compound_lval): See if we can strip any useless conversion.
3007         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
3008         from RHS, not LHS.
3009         (gimplify_modify_expr_to_memset): Likewise.
3010         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
3011         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
3012         (declare_inline_vars): Likewise.
3013         (walk_type_fields): New function.
3014         (walk_tree): Use it.
3015         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
3016
3017         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
3018         (sra_walk_modify_expr): Allow init function to fail.
3019         (scan_init): Now returns bool.
3020         (generate_element_init): If can't understand INIT, return false.
3021         (scalarize_init): Return false if generate_element_init does.
3022
3023         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
3024         print bounds.
3025
3026         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
3027         bounds if bounds aren't constant.
3028
3029         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
3030
3031         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
3032         to type hooks; remove bogus PARAMS.
3033
3034 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3035
3036         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
3037         * dwarf2out.c (add_data_member_location_attribute): Check for
3038         TREE_BINFO.
3039         * tree.c (tree_node_kinds): Add "binfos".
3040         (binfo_lang_slots): New.
3041         (make_node_stat): Add TREE_BINFO.
3042         (make_tree_binfo_stat): New.
3043         (tree_node_structure): Add TREE_BINFO.
3044         * tree.def (TREE_BINFO): New.
3045         * tree.h (REC_OR_UNION_CHECK): Rename to ...
3046         (RECORD_OR_UNION_CHECK): ... here.
3047         (NOT_RECORD_OR_UNION_CHECK): New.
3048         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
3049         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
3050         RECORD_OR_UNION_CHECK.
3051         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
3052         (TYPE_LANG_SLOT_1): New.
3053         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
3054         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
3055         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
3056         (BINFO_ELTS): Remove.
3057         (BINFO_LANG_SLOT): New.
3058         (struct tree_binfo): New.
3059         (binfo_lang_slots): Declare.
3060         (enum tree_node_structure_enum): Add TS_BINFO.
3061         (union tree_node): Add binfo.
3062         (make_tree_binfo_stat): Declare.
3063         (make_tree_binfo): New.
3064         (enum tree_node_kind): Add binfo_kind.
3065
3066         * objc/objc-act.c (start_class, objc_declare_protocols,
3067         start_protocols): Use TYPE_LANG_SLOT_1.
3068         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
3069         to ...
3070         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
3071         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
3072         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
3073         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
3074
3075 2004-07-05  Steven Bosscher  <stevenb@suse.de>
3076
3077         * rtl.h (struct rtx_def): Remove the integrated flag.
3078         Use the return_val flag for MEM_SCALAR_P.
3079         Reshuffle and update flags in CLEAR_RTX_FLAGS.
3080
3081 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
3082
3083         PR target/16357
3084         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
3085         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
3086         move_by_pieces.
3087
3088 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
3089
3090         * var-tracking.c: Fix some comments.
3091         (frame_stack_adjust): New.
3092         (vt_stack_adjustments): Init stack_adjust of entry block to
3093         minus stack adjustment of function prologue.
3094         (adjust_stack_reference): Do not adjust if adjustment == 0.
3095         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
3096         (emit_notes_in_bb): Likewise.
3097         (vt_add_function_parameters): Do not adjust locations of
3098         function arguments.
3099         (vt_initialize): Compute the stack adjustment of function
3100         prologue and offset the initial "location" of frame_base_decl
3101         from the stack pointer after prologue.
3102
3103 2004-07-04  Richard Henderson  <rth@redhat.com>
3104
3105         * function.c (struct assign_parm_data_all): New.
3106         (struct assign_parm_data_one): New.
3107         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
3108         assign_parm_find_data_types, assign_parms_setup_varargs,
3109         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
3110         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
3111         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
3112         assign_parm_setup_block, assign_parm_setup_reg,
3113         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
3114         (assign_parms): ... here.
3115
3116 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
3117
3118         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
3119         now are bitmap_set_t's.
3120         (bitmap_insert_into_set): No point in inserting the value if
3121         it's invariant.
3122         (bitmap_set_contains): New function.
3123         (bitmap_set_replace_value): Add comment on why we do it
3124         this way.
3125         (set_contains): Removed.
3126         (bitmap_set_subtract_from_value_set): New name of
3127         set_subtract now that it's arguments are two different
3128         types of sets.
3129         Update callers.
3130         (bitmap_find_leader): Change algorithm used.
3131         (find_or_generate_expression): Update use of functions for new
3132         bitmap sets.
3133         (create_expression_by_pieces): Ditto.
3134         (insert_aux): Ditto.
3135         (insert): Ditto.
3136         (add_to_sets): Ditto.
3137         (init_pre): Ditto.
3138         (execute_pre): Ditto.
3139         (compute_avail): Ditto.
3140         Also ignore virtual phis.
3141
3142 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3143
3144         * combine.c (simplify_comparison): Fix comment typo.
3145
3146 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3147
3148         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
3149         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
3150         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
3151         (output_restore): Change parameter from 'insn' to 'pat'.
3152         (output_return): Adjust call to output_restore.
3153         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
3154         Adjust call to output_restore.
3155
3156 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3157
3158         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
3159         and assert system is bsd.
3160
3161 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3162
3163         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
3164         (TARGET_SWITCHES): Remove -mdebugc.
3165         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3166         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
3167         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
3168         (sle_[sd]i_reg): Delete.
3169
3170 2004-07-04  Steven Bosscher  <stevenb@suse.de>
3171
3172         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3173         Define.
3174         * config/iq2000/iq2000.md: Translate old pipeline description to an
3175         equivalent new one.
3176
3177 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3178
3179         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
3180         Ensure the replacement rhs is valid gimple before performing
3181         the substitution.  Return false if these sanity checks fail.
3182         (fold_stmt): Only set changed to true, if set_rhs returns true.
3183         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
3184         succeeds.
3185
3186 2004-07-04  Richard Henderson  <rth@redhat.com>
3187
3188         PR c/16348
3189         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
3190
3191 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
3192
3193         * configure.ac (ranlib_flags): New variable.
3194         * Makefile.in (RANLIB_FLAGS): New variable.
3195         (libbackend.a): Use it.
3196         * configure: Regenerated.
3197
3198 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3199
3200         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
3201         a "sign mask" instead of using ashr_optab directly.
3202
3203 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3204
3205         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
3206         * doc/cppopts.texi: Clarify processing of command-line defines.
3207
3208 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
3209
3210         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
3211
3212 2004-07-04  Richard Henderson  <rth@redhat.com>
3213
3214         * rtl.def (ADDRESSOF): Remove.
3215         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
3216         (find_base_term, memrefs_conflict_p): Likewise.
3217         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
3218         (fold_rtx, cse_insn, set_live_p): Likewise.
3219         * dwarf2out.c (mem_loc_descriptor): Likewise.
3220         (add_location_or_const_value_attribute): Likewise.
3221         * emit-rtl.c (copy_insn_1): Likewise.
3222         * explow.c (memory_address): Likewise.
3223         * expmed.c (store_split_bit_field): Likewise.
3224         * expr.c (expand_expr_real_1): Likewise.
3225         * function.c (instantiate_decl
3226         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
3227         * genrecog.c (preds, validate_pattern): Likewise.
3228         * integrate.c (copy_rtx_and_substitute): Likewise.
3229         * recog.c (general_operand, register_operand): Likewise.
3230         (memory_address_p): Likwise.
3231         * reload1.c (eliminate_regs, elimination_effects): Likewise.
3232         * rtl.c (copy_rtx): Likewise.
3233         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3234         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
3235         * rtlhooks.c (gen_lowpart_general): Likewise.
3236         * stmt.c (expand_asm_operands): Likewise.
3237         * web.c (entry_register, replace_ref, web_main): Likewise.
3238         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
3239         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3240         * config/arm/arm.c (thumb_rtx_costs): Likewise.
3241         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
3242         * config/frv/frv.c (move_destination_operand, move_source_operand,
3243         condexec_dest_operand, condexec_source_operand,
3244         condexec_memory_operand): Likewise.
3245         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
3246         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
3247         (destination_xfmode_operand): Likewise.
3248         * config/mips/mips.h (PREDICATE_CODES): Likewise.
3249         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
3250         * config/s390/s390.c (general_s_operand): Likewise.
3251         * config/s390/s390.md (mov*): Likewise.
3252         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
3253
3254         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
3255         * expr.c (expand_expr_real_1): Likewise.
3256         * stmt.c (expand_decl): Likewise.
3257         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3258
3259         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
3260         postponed_insns, put_var_into_stack, put_reg_into_stack,
3261         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
3262         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
3263         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
3264         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3265         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3266         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3267         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3268         struct insns_for_mem_walk_info, insns_for_mem_walk,
3269         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3270         setjmp_protect_args): Remove.
3271         (push_function_context_to): Don't handle var_refs_queue.
3272         (pop_function_context_from, free_after_compilation): Likewise.
3273         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3274         (assign_parms, allocate_struct_function): Likewise.
3275         (use_register_for_decl): New.
3276         (expand_function_end): Don't setjmp_protect.
3277         * function.h (struct emit_status): Update commentary.
3278         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3279         (max_parm_reg, parm_reg_stack_loc): Remove.
3280         * passes.c (DFI_addressof): Remove.
3281         (dump_file_info): Remove addressof.
3282         (rest_of_handle_addressof): Remove.
3283         (rest_of_compilation): Don't call it.
3284         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3285         * stmt.c (expand_decl): Use use_register_for_decl.
3286         * tree.h: Update decls.
3287         * web.c (mark_addressof): Remove.
3288         * doc/invoke.texi (-dF): Remove.
3289
3290 2004-07-03  Richard Henderson  <rth@redhat.com>
3291
3292         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3293         instead of gen_mem_addressof.
3294         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3295         TImode output register.
3296
3297 2004-07-03  Richard Henderson  <rth@redhat.com>
3298
3299         PR tree-optimization/16341
3300         * tree-sra.c (sra_walk_function): Increment to next stmt before
3301         processing the current stmt.
3302         (sra_insert_after): Always use BSI_SAME_STMT.
3303
3304 2004-07-03  Richard Henderson  <rth@redhat.com>
3305
3306         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3307         fp plus with minus.
3308
3309 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3310
3311         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3312         with tree_int_cst_equal.
3313
3314 2004-07-03  Andreas Schwab  <schwab@suse.de>
3315
3316         * config/ia64/ia64.md: Define new attribute "empty".
3317         (prologue_use, nop_x, insn_group_barrier): Set it.
3318
3319         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3320         skip over "empty" insns.
3321
3322 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3323
3324         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3325         context to gimplify_body.
3326         (walk_tree): Don't walk into types twice.
3327         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3328
3329         * tree-sra.c (generate_element_init): Remove any useless conversions.
3330
3331         * gimplify.c (gimplify_conversion): Remove stripping useless
3332         conversions from here.
3333         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3334         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3335         Unshare before substituting PLACEHOLDER_EXPR.
3336         (gimplify_modify_expr_to_memset): Likewise.
3337         Pass address of TO to memset, not TO itself.
3338         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3339         time we make an expression (to match a PLACEHOLDER_EXPR).
3340
3341         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3342         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3343         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3344         * tree-ssa-dom.c (local_fold): Likewise.
3345
3346         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3347         * langhooks.h (strct lang_hooks): New field type_max_size.
3348         * function.c (assign_temp): Call it.
3349
3350 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3351
3352         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3353         * config/sh/sh.md: Convert the SH1 pipeline description to
3354         a DFA model.
3355
3356 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3357
3358         * c-decl.c (struct c_binding): Remove contour field; add
3359         depth, invisible, nested fields.
3360         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3361         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3362         (bind): Add invisible and nested arguments. Initialize
3363         new fields of struct c_binding; adjust loop scanning for
3364         insertion point.
3365         (free_binding_and_advance): Clear structure with memset.
3366         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3367         in file scope, even if it's in external scope too.
3368         (pushdecl): Adjust to match.  Create invisible file-scope
3369         declarations for block-scope forward declarations of static functions.
3370         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3371         (undeclared_variable, lookup_label, declare_label, define_label)
3372         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3373         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3374         (store_parm_decls_oldstyle): Adjust to match.
3375         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3376         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3377
3378         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3379         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3380
3381 2004-07-02  Richard Henderson  <rth@redhat.com>
3382
3383         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3384         around variable_size.
3385         (set_decl_nonlocal): Remove.
3386         (store_parm_decls): Add stmts for pending sizes.
3387         * calls.c (calls_function, calls_function_1): Remove.
3388         (precompute_arguments): Don't call it.
3389         * cfgexpand.c (set_save_expr_context): Remove.
3390         (tree_expand_cfg): Don't call it.
3391         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3392         (dwarf2out_finish): Likewise.
3393         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3394         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3395         (safe_from_p): Don't queue SAVE_EXPRs.
3396         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3397         or build plain VAR_DECLs.
3398         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3399         (fold): Likewise.
3400         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3401         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3402         (put_var_into_stack): Don't handle SAVE_EXPR.
3403         (gen_mem_addressof): Likewise.
3404         * function.h (struct function): Remove x_save_expr_regs.
3405         (save_expr_regs): Remove.
3406         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3407         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3408         * stor-layout.c (variable_size): Don't set it.
3409         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3410         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3411         all callers.  Don't set SAVE_EXPR_CONTEXT.
3412         * tree-inline.h (remap_save_expr): Update decl.
3413         * tree.c (save_expr): Update build size.
3414         (first_rtl_op): Don't handle SAVE_EXPR.
3415         (unsave_expr_1, contains_placeholder_p): Likewise.
3416         (decl_function_context): Likewise.
3417         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3418         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3419         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3420
3421 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3422
3423         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3424         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3425         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3426         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3427         some first-person references and patronizing comments.  Based on
3428         printed manual.
3429         * doc/invoke.texi: Don't reference fortran@gnu.org.
3430         * doc/trouble.texi (Warning when a non-void function value is
3431         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3432
3433 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3434
3435         * tree-ssa-pre.c (bitmap_set_t): New.
3436         (bb_value_sets): avail_out is now a bitmap_set_t.
3437         (bitmap_find_leader): New function.
3438         (bitmap_value_insert_into_set): Ditto.
3439         (bitmap_set_copy): Ditto.
3440         (bitmap_value_replace_in_set): Ditto.
3441         (bitmap_set_contains_value): Ditto.
3442         (bitmap_set_new): Ditto.
3443         (bitmap_set_pool): New pool.
3444         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3445         (insert_aux): Ditto.
3446         (add_to_sets): Ditto.
3447         (compute_avail): Ditto
3448         (eliminate): Ditto.
3449         (init_pre): Ditto.
3450         (fini_pre): Ditto.
3451         (execute_pre): Ditto.
3452
3453 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3454
3455         * config/rs6000/rs6000.c (struct processor_costs): New structure
3456         used to hold instruction latencies/sizes for processor types.
3457         (rs6000_cost): New global variable pointing to current CPU's costs.
3458         (rs6000_override_options): Initialize rs6000_cost to point to the
3459         appropriate cost table based upon rs6000_cpu and optimize_size.
3460         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3461         timings inline.
3462
3463 2004-07-02  Richard Henderson  <rth@redhat.com>
3464
3465         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3466
3467 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3468
3469         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3470
3471 2004-07-01  Richard Henderson  <rth@redhat.com>
3472
3473         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3474         (alpha_gp_save_rtx): Use assign_stack_local instead of
3475         gen_mem_addressof.
3476
3477 2004-07-01  Richard Henderson  <rth@redhat.com>
3478
3479         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3480         (alpha_rtx_cost_data): Update to match.
3481         (alpha_rtx_cost_size): New.
3482         (alpha_rtx_costs): Honor optimize_size.
3483
3484 2004-07-01  Richard Henderson  <rth@redhat.com>
3485
3486         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3487         * cfgexpand.c (tree_expand_cfg): Do it here.
3488         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3489         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3490         * config/mips/mips.c (mips_output_mi_thunk): And here.
3491         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3492         * config/sh/sh.c (sh_output_mi_thunk): And here.
3493         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3494
3495 2004-07-01  Richard Henderson  <rth@redhat.com>
3496
3497         * tree.def (RTL_EXPR): Remove.
3498         * c-typeck.c (lvalue_p): Don't handle it.
3499         * expr.c (safe_from_p): Likewise.
3500         (expand_expr_real_1): Likewise.
3501         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3502         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3503         * gengtype.c (adjust_field_tree_exp): Likewise.
3504         * stmt.c (warn_if_unused_value): Likewise.
3505         * tree-gimple.c (recalculate_side_effects): Likewise.
3506         * tree-pretty-print.c (dump_generic_node): Likewise.
3507         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3508         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3509         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3510
3511         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3512         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3513         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3514         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3515         all the bits that tracked last_expr.
3516         (expand_end_bindings): Don't track last_expr.
3517         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3518         (clear_last_expr): Remove.
3519         (expand_asm): Don't call it.
3520         (expand_asm_operands, expand_end_cond): Likewise.
3521         (expand_naked_return, expand_null_return_1): Likewise.
3522         * c-typeck.c (c_begin_compound_stmt): Likewise.
3523         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3524         * expr.c (expand_expr_real_1): Likewise.
3525         * tree.h: Update prototypes.
3526
3527         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3528         (struct emit_status): Remove sequence_rtl_expr.
3529         (struct function): Remove x_rtl_expr_chain.
3530         (seq_rtl_expr, rtl_expr_chain): Remove.
3531         * function.c (struct temp_slot): Remove rtl_expr.
3532         (assign_stack_temp_for_type): Don't set it.
3533         (free_temp_slots, pop_temp_slots): Don't check it.
3534         (free_after_compilation): Don't clear x_rtl_expr_chain.
3535         (fixup_var_refs): Don't search it.
3536         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3537         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3538         or seq_rtl_expr.
3539         (push_topmost_sequence): Likewise.
3540         (end_sequence, init_emit): Likewise.
3541         (start_sequence_for_rtl_expr): Remove.
3542         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3543         * rtl.h (preserve_rtl_expr_result): Remove.
3544
3545 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3546
3547         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3548         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3549         typos.
3550
3551 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3552
3553         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3554         (STANDARD_STARTFILE_PREFIX_2): Define.
3555         (standard_startfile_prefix_1): Initialize to
3556         STANDARD_STARTFILE_PREFIX_1.
3557         (standard_startfile_prefix_2): Initialize to
3558         STANDARD_STARTFILE_PREFIX_2.
3559         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3560         (STANDARD_STARTFILE_PREFIX_1): Define.
3561         (STANDARD_STARTFILE_PREFIX_2): Define.
3562         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3563         (STANDARD_STARTFILE_PREFIX_2): Document.
3564
3565 2004-07-01  Richard Henderson  <rth@redhat.com>
3566
3567         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3568         in order to disable scalarization.  Instead set a flag and wait
3569         for a candidate decl.
3570
3571 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3572
3573         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3574         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3575         Use terminology "testsuite" and "enumerated".
3576
3577 2004-07-01  Richard Henderson  <rth@redhat.com>
3578
3579         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3580         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3581         (initial_return_save): Likewise.
3582         (flush_queued_reg_saves): Remap register numbers.
3583         (dwarf2out_return_reg): Likewise.
3584
3585 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3586
3587         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3588
3589         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3590         access functions for lower bound and element size and only output
3591         if lower bound nonzero or element size not same as that of type.
3592         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3593
3594 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3595
3596         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3597
3598 2004-07-01  Per Bothner  <per@bothner.com>
3599
3600         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3601
3602 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3603
3604         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3605         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3606         first operand.  Don't optimize if the bitfield is volatile.
3607
3608 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3609
3610         * c-pretty-print.c (pp_c_postfix_expression): Handle
3611         floating-point comparison operators.
3612         (pp_c_expression): Pass floating-point comparison
3613         operators to pp_c_postfix_expression.
3614
3615 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3616
3617         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3618         rtx_cost instead of "had_mult" to determine whether the transformed
3619         expression is cheaper than the original.
3620
3621 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3622
3623         * alias.c (get_alias_set, canon_rtx, get_addr,
3624         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3625         Use MEM_P.
3626         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3627         expand_builtin): Likewise.
3628         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3629         Likewise.
3630         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3631         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3632         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3633         record_dead_and_set_regs_1, get_last_value_validate,
3634         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3635         * cse.c (check_dependence, canon_hash, equiv_constant,
3636         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3637         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3638         count_reg_usage): Likewise.
3639         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3640         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3641         cselib_record_sets): Likewise.
3642         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3643         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3644         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3645         * df.c (df_uses_record): Likewise.
3646         * dojump (do_jump): Likewise.
3647         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3648         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3649         decl_start_label): Likewise.
3650         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3651         operand_subword, change_address_1, make_safe_from): Likewise.
3652         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3653         stabilize, force_not_mem): Likewise.
3654         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3655         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3656         * expr.c (convert_move, convert_modes, emit_block_move,
3657         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3658         emit_move_insn_1, expand_assignment, store_expr,
3659         store_constructor_field, store_constructor, store_field,
3660         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3661         Likewise.
3662         * final.c (cleanup_subreg_operands, alter_subreg,
3663         get_mem_expr_from_op): Likewise.
3664         * flow.c (notice_stack_pointer_modification_1,
3665         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
3666         Likewise.
3667         * function.c (mark_temp_addr_taken, preserve_temp_slots,
3668         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
3669         optimize_bit_field, flush_addressof, purge_addressof_1,
3670         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
3671         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
3672         keep_stack_depressed): Likewise.
3673         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
3674         noce_process_if_block, find_memory): Likewise.
3675         * integrate.c (subst_constants, allocate_initial_values): Likewise.
3676         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
3677         update_equiv_regs): Likewise.
3678         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
3679         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
3680         * optabs.c (expand_abs, emit_unop_insn): Likewise.
3681         * passes.c (rest_of_handle_final): Likewise.
3682         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
3683         move2add_note_store): Likewise.
3684         * ra-build.c (detect_remat_webs): Likewise.
3685         * ra-debug.c (dump_static_insn_cost): Likewise.
3686         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
3687         * recog.c (validate_change, apply_change_group, cancel_changes,
3688         validate_replace_rtx_1, general_operand, register_operand,
3689         nonmemory_operand, push_operand, pop_operand, memory_operand,
3690         indirect_operand, asm_operand_ok, offsettable_memref_p,
3691         offsettable_nonstrict_memref_p, constrain_operands,
3692         store_data_bypass_p): Likewise.
3693         * reg-stack.c (subst_stack_regs_pat): Likewise.
3694         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
3695         copy_cost, reg_scan_mark_refs): Likewise.
3696         * regmove.c (optimize_reg_copy_3, stack_memref_p,
3697         combine_stack_adjustments_for_block): Likewise.
3698         * regrename.c (copyprop_hardreg_forward_1): Likewise.
3699         * reload.c (can_reload_into, push_reload, decompose, immune_p,
3700         find_reloads, find_reloads_address, find_reloads_address_1,
3701         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
3702         find_equiv_reg): Likewise.
3703         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
3704         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
3705         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
3706         delete_address_reloads): Likewise.
3707         * resource.c (mark_referenced_resources): Likewise.
3708         * rtlanal.c (get_jump_table_offset, count_occurrences,
3709         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
3710         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
3711         num_sign_bit_copies1): Likewise.
3712         * rtlhooks.c (gen_lowpart_general): Likewise.
3713         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3714         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
3715         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3716         sdbout_global_decl): Likewise.
3717         * simplify-rtx.c (simplify_subreg): Likewise.
3718         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3719         expand_anon_union_decl, expand_end_case_type): Likewise.
3720         * unroll.c (calculate_giv_inc): Likewise.
3721         * var-tracking.c (stack_adjust_offset_pre_post,
3722         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3723         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3724         vt_add_function_parameters): Likewise.
3725         * varasm.c (make_var_volatile, notice_global_symbol,
3726         assemble_external, decode_addr_const, mark_weak,
3727         default_encode_section_info): Likewise.
3728
3729 2004-07-01  Steven Bosscher  <stevenb@suse.de>
3730
3731         * stmt.c (check_seenlabel): Remove.
3732         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3733
3734 2004-07-01  Richard Henderson  <rth@redhat.com>
3735
3736         * function.h (struct function): Remove x_function_call_count.
3737         (function_call_count): Remove.
3738         * calls.c (expand_call): Don't set it.
3739         * integrate.c (copy_rtx_and_substitute): Likewise.
3740
3741         * function.h (struct function): Remove x_cleanup_label.
3742         (cleanup_label): Remove.
3743         * stmt.c (expand_value_return): Don't use it.
3744         * function.c (free_after_compilation): Don't set it.
3745         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3746         * cfgexpand.c (tree_expand_cfg): Update call.
3747         * tree.h (expand_function_start): Update decl.
3748
3749 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3750
3751         PR c/1027
3752         * c-lang.c (c_initialize_diagnostics): Move from here ...
3753         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3754         (c_tree_printer): Use pretty-printer to format %T.
3755         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3756         before '*' if not C++.
3757         (pp_c_direct_abstract_declarator): Don't try to print array upper
3758         bound for flexible array members.
3759         * c-tree.h: Include "diagnostic.h".
3760         (c_initialize_diagnostics): Declare.
3761         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3762         * c-format.c (format_type_warning): New function.  Improve
3763         diagnostics for incorrect format argument types.
3764         (check_format_types): Use it.  Add two parameters.  Use the
3765         TYPE_MAIN_VARIANT of wanted_type.
3766         (check_format_info_main): Pass new parameters to
3767         check_format_types.
3768         (struct format_wanted_type): Update comment.
3769
3770 2004-07-01  Nick Clifton  <nickc@redhat.com>
3771
3772         * target.h (struct gcc_target): Add new field to struct cxx:
3773         import_export_class.
3774         * target-def.h (TARGET_CXX): Initialise the new field.
3775         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3776         the new field.
3777         * doc/tm.texi: Document the new target hook.
3778
3779 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3780
3781         * builtins.c (fold_builtin_classify): Fix typo.
3782
3783 2004-07-01  Richard Henderson  <rth@redhat.com>
3784
3785         * function.c (identify_blocks, identify_blocks_1): Remove.
3786         * function.h (identify_blocks): Remove.
3787         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3788
3789 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3790
3791         * builtins.c (fold_builtin_classify): New.
3792         (fold_builtin_unordered_cmp): Fix commentary.
3793         (fold_builtin): Use it.
3794         * builtins.def: Define builtins for isnan,
3795         isnanf, isnanl, finite, finitef, finitel,
3796         isinf, isinff, isinfl.
3797
3798 2004-07-01  Richard Henderson  <rth@redhat.com>
3799
3800         * function.h (struct function): Remove dont_emit_block_notes.
3801         * gimple-low.c (lower_function_body): Don't set it.
3802         * cfgexpand.c (expand_block): Don't check it.
3803         * cfglayout.c (insn_locators_initialize): Likewise.
3804         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3805         * passes.c (rest_of_compilation): Likewise.
3806         * stmt.c (expand_start_bindings_and_block): Likewise.
3807         (expand_end_bindings): Likewise.
3808
3809 2004-07-01  Richard Henderson  <rth@redhat.com>
3810
3811         * cgraph.h (cgraph_build_static_cdtor): Declare.
3812         * cgraphunit.c (cgraph_build_static_cdtor): New.
3813         * c-objc-common.c (build_cdtor): Use it.
3814         * coverage.c (create_coverage): Likewise.
3815         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3816         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3817
3818 See ChangeLog.11 for earlier changes.