gcc/ChangeLog

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  24         * config/mips/mips.md: Delete outdated comment.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