gcc/ChangeLog

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