gcc/ChangeLog

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