gcc/ChangeLog

   1 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
   2
   3         * tree-optimize.c (init_tree_optimization_passes): Add
   4         pass_eliminate_useless_stores pass.
   5         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
   6         * tree-ssa-pre.c (is_copy_stmt): New function.
   7         (follow_copies_till_vuse): Ditto.
   8         (do_eustores): Ditto.
   9         (gate_eustores): Ditto.
  10
  11 2005-07-16  Richard Henderson  <rth@redhat.com>
  12
  13         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
  14
  15 2005-07-16 Danny Berlin <dberlin@dberlin.org>
  16            Kenneth Zadeck <zadeck@naturalbridge.com>
  17
  18         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
  19         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
  20         ipa-type-escape.h, tree-promote-statics.c
  21         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
  22         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
  23         tree-promote-statics.c: new files.
  24         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
  25         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
  26         int nonlocal_set_p, mark_constant_function): Deleted.
  27         (rest_of_handle_cfg): Removed call to mark_constant_function.
  28         (nonoverlapping_component_refs_p): Added calls to support
  29         type based aliasing.
  30         * tree-ssa-alias.c (may_alias_p,
  31         compute_flow_insensitive_aliasing): Ditto.
  32         * calls.c (flags_from_decl_or_type): Removed reference to
  33         cgraph_rtl_info.
  34         * c-typeck.c (convert_arguments): Make builtins tolerant of having
  35         too many arguments.  This is necessary for Spec 2000.
  36         * cgraph.h (const_function, pure_function): Removed.
  37         * common.opt: Added "fipa-pure-const", "fipa-reference",
  38         "fipa-type-escape", and "ftree-promote-static".
  39         * opts.c: Ditto.
  40         * passes.c: Added ipa and tree-promote-statics passes.
  41         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
  42         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
  43         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
  44         * tree-flow.h: Added exposed sra calls and addition of
  45         reference_vars_info field for FUNCTION_DECLS.
  46         * tree-pass.h: Added passes.
  47         * tree-sra.c: (sra_init_cache): New function.
  48         (sra_insert_before, sra_insert_after) Made public.
  49         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
  50         and made public.
  51         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
  52         aliasing. (may_alias_p): Added code to use type escape analysis to
  53         improve alias sets.
  54         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
  55         code to prune clobbers of static variables based on information
  56         produced in ipa-reference pass.  Changed call clobbering so that
  57         statics are not marked as clobbered if the call does not clobber
  58         them.
  59
  60
  61 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
  62
  63         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
  64         too.
  65
  66 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
  67
  68         * doc/install.texi (*-*-solaris2*): Document recommended version
  69         of GNU binutils and mention GNU linker problem on Solaris 10.
  70
  71 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
  72
  73         PR c/22421
  74         * c-decl.c (c_build_bitfield_integer_type): New function.
  75         (finish_struct): Call it.
  76         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
  77
  78 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  79
  80         * c-typeck.c (digest_init): Call 'convert_for_assignment'
  81         before returning.
  82
  83 2005-07-16  Jan Hubicka  <jh@suse.cz>
  84
  85         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
  86         (scale_bbs_frequencies_int): Watch roundoff errors.
  87         * predict.c (return_prediction): Initialize return_stmt.
  88
  89 2005-07-16  Jan Hubicka  <jh@suse.cz>
  90
  91         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
  92         after RTL profiling.
  93
  94 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
  95
  96         PR middle-end/22398
  97         * fold-const.c (build_range_check): Convert high/low to etype
  98         if we are only comparing against exp.
  99
 100 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
 101
 102         Fix PR tree-optimization/22376
 103         * tree-ssa-structalias.c (build_constraint_graph): We really meant
 104         special var here.
 105         (need_to_solve): New function.
 106         (compute_points_to_sets): Use it.
 107
 108 2005-07-15  Jan Hubicka  <jh@suse.cz>
 109
 110         * cfg.c (update_bb_profile_for_threading): More diagnostic.
 111         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
 112
 113 2005-07-15  Richard Guenther  <rguenther@suse.de>
 114
 115         * c-common.c (handle_flatten_attribute): New function.
 116         Add flatten function attribute.
 117         * doc/extend.texi: Document flatten function attribute.
 118         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
 119         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
 120         New functions.
 121         (cgraph_decide_inlining): Handle functions with flatten
 122         attribute.
 123
 124 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
 125
 126         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
 127         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
 128         UNSPEC_XCHG, UNSPEC_AND): New.
 129         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
 130         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
 131         * config/rs6000/sync.md (FETCHOP): New code macro.
 132         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
 133         New code attrs.
 134         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
 135         (sync_compare_and_swap<mode>): Same.
 136         (sync_lock_test_and_set<mode>): Same.
 137         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
 138         for QImode and HImode, and not PPC405.
 139         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
 140         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
 141         (sync_<fetchop>{si,di}_internal): New.
 142         (sync_nand{si,di}_internal): New.
 143         (sync_old_<fetchop>{si,di}_internal): New.
 144         (sync_old_nand{si,di}_internal): New
 145         (sync_new_<fetchop>{si,di}_internal): New.
 146         (sync_new_nand{si,di}_internal): New.
 147         (atomic_and{si,di}): New.
 148         (sync_new_nand{si,di}_internal): New.
 149         (atomic_and{si,di}): New.
 150         (sync_add<mode>_internal): Delete.
 151         (sync_addshort_internal): Use unspec instead of unspec_volatile.
 152         (sync_sub<mode>_internal): Delte.
 153         (sync_subshort_internal): New.
 154         (sync_andsi_internal): Use unspec instead of unspec_volatile.
 155         (sync_anddi_internal): Delete.
 156         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
 157         (sync_booldi_internal): Delete.
 158         (sync_boolc<mode>_internal): Delete.
 159         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
 160         (sync_boolc<mode>_internal2): Delete.
 161         (sync_boolcc<mode>_internal): Delete.
 162         (isync, lwsync): Use unspec instead of unspec_volatile.
 163         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
 164         Revert UNSPEC_VOLATILE.
 165         (rs6000_split_atomic_op): New.
 166         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
 167
 168 2005-07-14  Eric Christopher  <echristo@redhat.com>
 169
 170         * config/mips/mips.c (mips_canonicalize_comparison): Cast
 171         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
 172
 173 2005-07-14  Eric Christopher  <echristo@redhat.com>
 174
 175         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
 176
 177 2005-07-14  Steven Bosscher  <stevenb@suse.de>
 178
 179         PR tree-optimization/22230
 180         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
 181         the computation of the four cross productions for "range op range".
 182
 183 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
 184             Ulrich Weigand  <uweigand@de.ibm.com>
 185
 186         PR target/20126
 187         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
 188         in some insn.
 189
 190 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
 191
 192         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
 193
 194 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
 195
 196         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
 197
 198 2005-07-14  Richard Guenther  <rguenther@suse.de>
 199
 200         PR middle-end/22347
 201         * config/i386/i386-protos.h (ix86_function_value): Change
 202         prototype to match new target hook.
 203         * config/i386/i386.c (ix86_value_regno): Change prototype
 204         to take extra type argument.
 205         (TARGET_FUNCTION_VALUE): Define.
 206         (ix86_function_ok_for_sibcall): Pass extra argument to
 207         ix86_value_regno, check return slot rtx for exact match.
 208         (ix86_function_value): Take extra parameter.  Dispatch to
 209         ix86_value_regno with fndecl/fntype as provided.
 210         (ix86_value_regno): Handle extra type argument.
 211         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
 212
 213         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
 214         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
 215         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
 216         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
 217         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
 218
 219 2005-07-14  Richard Guenther  <rguenther@suse.de>
 220
 221         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
 222         * calls.c (expand_call): Pass fntype to hard_function_value.
 223         (emit_library_call_value_1): Likewise.
 224         * explow.c: Include target.h.
 225         (hard_function_value): Take extra argument, the fntype.
 226         Use new target hook for function_value.
 227         * expr.h (hard_function_value): Change prototype.
 228         * function.c (aggregate_value_p): Pass 0 as fntype to
 229         hard_function_value.
 230         (assign_parms): Use new target hook for function_value.
 231         Pass 0 as fntype to hard_function_value.
 232         (expand_function_end): Likewise.
 233         * reg-stack.c: Include target.h.
 234         (stack_result): Use new target hook for function_value.
 235         * target-def.h: New target hook function_value.
 236         * target.h: Likewise.
 237         * targhooks.c (default_function_value): New function.
 238         * targhooks.h (default_function_value): Declare.
 239
 240 2005-07-13  Ian Lance Taylor  <ian@airs.com>
 241
 242         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
 243
 244 2005-07-14  Jan Hubicka  <jh@suse.cz>
 245
 246         * tree-dfa.c (dump_variable): Use default_def function.
 247         * tree-ssa-alias.c (dump_points_to_info): Likewise.
 248         * tree-ssa.c (verify_use): Likewise.
 249         * tree-ssanames.c (release_ssa_name): Likewise.
 250         * tree-tailcall.c (eliminate_tail_call): Likewise.
 251         (tree_optimize_tail_calls_1): Likewise.
 252         * tree-vrp.c (get_value_range): Likewise.
 253
 254 2005-07-14  Ben Elliston  <bje@au.ibm.com>
 255
 256         * gcc.c (main): Compare language[0] with '*' when iterating over
 257         the infiles.
 258
 259 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
 260
 261         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
 262         "s390_emit_compare".  Add handling of CCZ1mode.
 263         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
 264         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
 265         checking.
 266         (s390_branch_condition_mask): Add CCZ1mode handling.
 267         * config/s390/s390.md: ("seq", "*seq"): New pattern.
 268         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
 269         Use CCZ1mode instead of CCZmode.
 270         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
 271
 272 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
 273
 274         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
 275         pattern.
 276         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
 277
 278 2005-07-13  Eric Christopher  <echristo@redhat.com>
 279
 280         * config/mips/mips.c (mips_canonicalize_comparison): New.
 281         (mips_emit_int_relational): Use.
 282
 283 2005-07-13  Eric Christopher  <echristo@redhat.com>
 284
 285         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
 286         static extra parts.
 287         * config/s390/s390.md: Include tpf.md. Move tpf specific
 288         patterns...
 289         * config/s390/tpf.md: To here.
 290         * config/s390/s390.opt: Move tpf specific options...
 291         * config/s390/tpf.opt: to here. Add mmain option.
 292         * config/s390/tpf-unwind.h: Remove unnecessary defines.
 293         * config/s390/tpf.h: Rewrite.
 294
 295 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 296
 297         * doc/tm.texi: Remove @xref{Cross-profiling}.
 298
 299 2005-07-13  Jeff Law  <law@redhat.com>
 300
 301         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
 302         expressions, test their _DECL operands for pointer equality rather
 303         than using operand_equal_p.
 304
 305 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 306
 307         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
 308         (TARGET_POSIX_IO): This.
 309         * config/darwin.h: Likewise.
 310         * config/freebsd.h: Likewise.
 311         * config/linux.h: Likewise.
 312         * config/lynx.h: Likewise.
 313         * config/netbsd.h: Likewise.
 314         * config/rs6000/linux64.h: Likewise.
 315         * config/rs6000/linux.h: Likewise.
 316         * config/s390/tpf.h: Likewise.
 317         * config/sh/embed-elf.h: Likewise.
 318         * config/sparc/linux64.h: Likewise.
 319         * config/sparc/linux.h: Likewise.
 320         * config/svr4.h: Likewise.
 321         * gcov-io.h: Likewise.
 322
 323         * doc/tm.texi: Updated.
 324
 325         * libgcov.c (create_file_directory): Defined only if
 326         TARGET_POSIX_IO is defined.
 327         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
 328         is defined.
 329
 330 2005-07-13  Jan Hubicka  <jh@suse.cz>
 331
 332         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
 333
 334 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
 335
 336         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
 337         structure as argument.
 338
 339 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
 340
 341         PR tree-optimization/21921
 342         * tree-iterator.c (tsi_link_before): Support the case when
 343         tsi_end_p (tsi) == true.
 344
 345 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 346
 347         PR tree-optimization/22442
 348         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
 349         correctly.
 350
 351 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 352
 353         PR rtl-optimization/20376
 354         * toplev.c (process_options): Enable -fweb and -frename-registers when
 355         unrolling.
 356         * doc/invoke.texi: Update the information about when -fweb and
 357         -frename-registers are enabled.
 358
 359 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 360
 361         PR tree-opt/21840
 362         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
 363         if *rhs_p is not a SSA_NAME.
 364
 365 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
 366
 367         Fix PR tree-optimization/22422
 368         * tree-ssa-structalias.c (struct variable_info): Add flag for
 369         special vars.
 370         (get_varinfo): Now a static function.
 371         (new_varinfo): init has_union and is_special_var to false.
 372         (solution_set_add): Check has_union.
 373         (do_da_constraint): Move temporary variable so it gets reset
 374         properly.
 375         Also check for special variable.
 376         (do_ds_constraint): Ditto.
 377         (do_sd_constraint): Ditto.
 378         (do_structure_copy): Check for special variable.
 379         (find_func_aliases): Ditto.
 380         (init_base_vars): Set special vars properly.
 381
 382 2005-07-13  Jan Hubicka  <jh@suse.cz>
 383
 384         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
 385         do unit-at-a-time.
 386
 387         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
 388         (get_expr_operands): Fix thinko wrt flags and subvars.
 389
 390         PR tree-optimize/22379
 391         * tree-inline.c (expand_call_inline): Do not output sorry in early
 392         inlining.
 393
 394 2005-07-12  Dale Johannesen  <dalej@apple.com>
 395
 396         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
 397
 398 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 399
 400         PR bootstrap/21704
 401         * host-linux.h: Include limits.h.
 402
 403 2005-07-12  Dale Johannesen  <dalej@apple.com>
 404
 405         * expr.c (compress_float_constant):  Add cost check.
 406         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
 407
 408 2005-07-12  Dale Johannesen  <dalej@apple.com>
 409
 410         * gcc.target/i386/compress-float-sse.c:  New.
 411         * gcc.target/i386/compress-float-sse-pic.c:  New.
 412         * gcc.target/i386/compress-float-387.c:  New.
 413         * gcc.target/i386/compress-float-387-pic.c:  New.
 414         * gcc.dg/compress-float-ppc.c:  New.
 415         * gcc.dg/compress-float-ppc-pic.c:  New.
 416
 417 2005-07-12  Eric Christopher  <echristo@redhat.com>
 418
 419         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
 420         static extra parts.
 421         * config/s390/s390.md: Include tpf.md. Move tpf specific
 422         patterns...
 423         * config/s390/tpf.md: To here.
 424         * config/s390/s390.opt: Move tpf specific options...
 425         * config/s390/tpf.opt: to here. Add mmain option.
 426         * config/s390/tpf-unwind.h: Remove unnecessary defines.
 427         * config/s390/tpf.h: Rewrite.
 428
 429 2005-07-12  Eric Christopher  <echristo@redhat.com>
 430
 431         * gcc.c (struct infile): Update comment for language.
 432         (main): Rewrite input file resetting code.
 433
 434 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 435
 436         PR tree-opt/22335
 437         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
 438         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
 439         (lookup_avail_expr): Use constant_boolean_node instead
 440         of boolean_false_node/boolean_true_node.
 441
 442 2005-07-12  Ben Elliston  <bje@au.ibm.com>
 443
 444         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
 445         and use it when printing num_edges.
 446
 447 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 448
 449         * doc/extend.texi (Blackfin Built-in Functions): New section.
 450         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
 451         @opindex.
 452
 453 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
 454
 455         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
 456         s/cmpstrsi/cmpstrnsi
 457         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
 458         'cmpstrnsi'.
 459         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
 460         (init_optabs): Initialize cmpstrn_optab.
 461         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
 462         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
 463         * expr.c: (enum insn_code cmpstrn_optab): Declare.
 464         * config/i386/i386.md: s/cmpstr/cmpstrn
 465         * config/c4x/c4x.md: s/cmpstr/cmpstrn
 466         * doc/md.texi: Update documentation.
 467
 468 2005-07-11  Richard Henderson  <rth@redhat.com>
 469
 470         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
 471         build_va_arg_indirect_ref.
 472         (alpha_gimplify_va_arg): Likewise.
 473         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
 474         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
 475         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
 476         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
 477         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
 478         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
 479         Likewise.
 480         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
 481
 482 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 483
 484         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
 485         * passes.c (init_optimization_passes): Add pass_empty_loop.
 486         * tree-pass.h (pass_empty_loop): Declare.
 487         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
 488         try_remove_empty_loop, remove_empty_loops): New functions.
 489         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
 490         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
 491
 492 2005-07-12  Peter Barada  <peter@the-baradas.com>
 493
 494         PR middle-end/16719
 495         PR middle-end/18421
 496         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
 497         in address registers.
 498         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
 499         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
 500         alternative of addsi3_5200.
 501
 502 2005-07-11  Ian Lance Taylor  <ian@airs.com>
 503
 504         * config/mips/mips.md (ffs<mode>2): Remove.
 505
 506 2005-07-11  Ian Lance Taylor  <ian@airs.com>
 507
 508         * doc/tree-ssa.texi (Cleanups): Improve description of
 509         TRY_FINALLY_EXPR.
 510         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
 511
 512 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
 513
 514         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
 515         * tree.h (DECL_ARGUMENT_FLD): New macro.
 516
 517 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
 518
 519         Fix PR tree-optimization/22404
 520
 521         * tree-ssa-structalias.c (create_variable_info_for): Use
 522         correct offset.
 523
 524 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 525
 526         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
 527         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
 528         for second comparison operand.
 529         * config/bfin/predicates.md (reg_or_const_int_operand): New.
 530
 531         * config/bfin/bfin.md (define_attr "type"): Add "sync".
 532         (define_insn_reservation "alu"): Likewise.
 533         (csync, ssync): Now of type sync.
 534         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
 535         -mcsync-anomaly -mspecld-anomaly.
 536         * config/bfin/bfin.opt (mcsync): Remove.
 537         (mcsync-anomaly, mspecld-anomaly): Add.
 538         * config/bfin/bfin.c: Include "insn-codes.h".
 539         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
 540         (TARGET_DEFAULT_TARGET_FLAGS): New.
 541         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
 542
 543 2005-07-11  Steven Bosscher  <stevenb@suse.de>
 544
 545         * basic-block.h: Give the BB flags enum a name, bb_flags.
 546         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
 547         * cfgcleanup.c (enum bb_flags): Remove here.
 548         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
 549         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
 550         (update_forwarder_flag): Likewise.
 551         (thread_jump): Likewise.
 552         (try_forward_edges): Likewise.
 553         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
 554         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
 555         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
 556
 557 2005-07-11  Richard Guenther  <rguenther@suse.de>
 558
 559         * config/i386/i386.opt: New target option -msseregparm.
 560         * config/i386/i386.c (override_options): Error out for
 561         -msseregparm but no SSE support.
 562         (ix86_function_sseregparm): Check for global sseregparm.
 563         * doc/invoke.texi: Document -msseregparm.
 564
 565 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 566
 567         * config.gcc (m32r-*-linux*): Use the default extra_parts.
 568         (m32rle-*-linux*): Ditto.
 569
 570 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
 571
 572         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
 573         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
 574         bytes.
 575
 576 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 577
 578         PR middle-end/22239
 579         PR target/20126
 580         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
 581         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
 582
 583 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
 584
 585         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
 586         (varmap): Heapify varmap.
 587         (constraints): Heapify constraints.
 588         (struct constraint_graph): Heapify succs and preds.
 589         (constraint_vec_find): Update for heapification.
 590         (constraint_set_union): Ditto.
 591         (insert_into_complex): Ditto.
 592         (constraint_edge_vec_find): Ditto.
 593         (erase_graph_self_edge): Ditto.
 594         (add_graph_edge): Ditto.
 595         (get_graph_weights): Ditto.
 596         (merge_graph_nodes): Ditto.
 597         (build_constraint_graph): Ditto.
 598         (topo_visit): Ditto.
 599         (solve_graph): Ditto.
 600         (create_variable_info_for): Ditto.
 601         (init_base_vars): Ditto.
 602         (delete_points_to_sets): Free graph, varmap, and complex constraints.
 603         (condese_varmap_nodes): Free complex vector.
 604         (clear_edges_for_node): Clear succs and preds vector.
 605
 606 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
 607
 608         * tree-ssa-structalias.c (update_alias_info): Change counting of
 609         references to not include vdefs.
 610
 611 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
 612
 613         * tree-ssa-alias.c (free_used_part_map): Add missing free.
 614         (up_insert): Ditto.
 615
 616 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 617
 618         * pa.c (pa_commutative_p): Make PLUS commutative when
 619         TARGET_NO_SPACE_REGS is true.
 620
 621 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
 622
 623         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
 624         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
 625         * tree-dfa.c (dump_subvars_for): New.
 626         (debug_subvars_for): New.
 627         (dump_variable): Show subvariables if VAR has them.
 628         * tree-flow-inline.h (get_subvar_at): New.
 629         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
 630         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
 631         Update all users.
 632         (struct subvar): Change fields offset and size to unsigned
 633         HOST_WIDE_INT.
 634         (dump_subvars_for): Declare.
 635         (debug_subvars_for): Declare.
 636         (get_subvar_at): Declare.
 637         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
 638         to unsigned HOST_WIDE_INT *.
 639         (overlap_subvar): Likewise.
 640         * tree-gimple.c (is_gimple_reg): Always return false for
 641         SFTs and memory tags.
 642         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
 643         Update all callers.
 644         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
 645         (compute_may_aliases): Call compute_points_to_sets.
 646         (collect_points_to_info_for): Remove.
 647         (compute_points_to_and_addr_escape): Remove.
 648         (delete_alias_info): Call delete_points_to_sets.
 649         (compute_flow_sensitive_aliasing): If the call to
 650         find_what_p_points_to returns false, call set_pt_anything.
 651         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
 652         (set_pt_anything): Clear pi->pt_vars.
 653         (set_pt_malloc): Remove.
 654         (merge_pointed_to_info): Remove.
 655         (add_pointed_to_expr): Remove.
 656         (add_pointed_to_var): Remove.
 657         (collect_points_to_info_r): Remove.
 658         (is_escape_site): Make extern.
 659         (create_sft): New.
 660         (create_overlap_variables_for): Call it.
 661         * tree-ssa-copy.c (merge_alias_info): Never merge
 662         flow-sensitive alias information.
 663         * tree-ssa-operands.c (get_expr_operands): Adjust variables
 664         offset and size to be unsigned HOST_WIDE_INT.
 665         (add_to_addressable_set): Rename from note_addressable.
 666         Set TREE_ADDRESSABLE as the variables are added to the set.
 667         Update all users.
 668         (add_stmt_operand): Do not try to micro-optimize unmodifiable
 669         operands into VUSEs when adding V_MAY_DEFs for members in an
 670         alias set.
 671         * tree-ssa-operands.h (add_to_addressable_set): Declare.
 672         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
 673         (struct variable_info): Add bitfield is_heap_var.
 674         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
 675         (new_var_info): Initialize is_heap_var.
 676         (get_constraint_for): Add HEAP variables to the symbol table.
 677         Mark them with is_heap_var.
 678         (update_alias_info): New.  Taken mostly from the old
 679         compute_points_to_and_addr_escape.
 680         (handle_ptr_arith): New.
 681         (find_func_aliases): Call update_alias_info.
 682         Call handle_ptr_info for tcc_binary expressions.
 683         Call mark_stmt_modified.
 684         (create_variable_info_for): If DECL has subvars, do not create
 685         variables for its subvars.  Always add all the fields.
 686         (set_uids_in_ptset): If the solution includes ANYOFFSET and
 687         SFTs, then add all the SFTs of the structure.
 688         If VI->DECL is an aggregate with subvariables, add the SFT at
 689         VI->OFFSET.
 690         (find_what_p_points_to): If VI is an artificial variable,
 691         translate to bitfields in SSA_NAME_PTR_INFO.
 692         If the solution is empty, set pi->pt_vars to NULL
 693         (init_base_vars): Create ANYOFFSET.
 694         (compute_points_to_sets): Rename from create_alias_vars.
 695         Make extern.
 696         (pass_build_pta): Remove.
 697         (delete_points_to_sets): Rename from delete_alias_vars.
 698         (pass_del_pta): Remove.
 699         * tree-ssa-structalias.h (struct alias_info): Move from
 700         tree-ssa-alias.h.
 701         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
 702         NUM_REFERENCES_SET): Likewise.
 703         (compute_points_to_sets, delete_points_to_sets): Declare.
 704
 705 2005-07-09  Richard Henderson  <rth@redhat.com>
 706
 707         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
 708         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
 709         alpha_split_lock_test_and_set_12): New functions.
 710         * config/alpha/alpha-protos.h: Update.
 711         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
 712         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
 713         * config/alpha/sync.md (I12MODE): New.
 714         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
 715         (sync_<fetchop_name><I48MODE>): Likewise.
 716         (sync_nand<I48MODE>): Likewise.
 717         (sync_old_<fetchop_name><I48MODE>): Likewise.
 718         (sync_new_<fetchop_name><I48MODE>): Likewise.
 719         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
 720         (sync_compare_and_swap<I48MODE>): Likewise.
 721         (sync_lock_test_and_set<I48MODE>): Likewise.
 722         (sync_compare_and_swap<I12MODE>): New.
 723         (sync_compare_and_swap<I12MODE>_1): New.
 724         (sync_lock_test_and_set<I12MODE>): New.
 725         (sync_lock_test_and_set<I12MODE>_1): New.
 726
 727 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
 728
 729         PR 21356
 730         PR 22332
 731         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
 732
 733 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
 734
 735         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
 736         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
 737
 738 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
 739
 740         PR target/21656
 741         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
 742
 743 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
 744
 745         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
 746         memory_operand constraint.
 747         (store_conditional_<mode>): Same.
 748         (sync_compare_and_swap<mode>): Same.
 749         (sync_lock_test_and_set<mode>): Same.
 750
 751 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
 752
 753         Rewrite PIC support to more closely model actual instructions.
 754         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
 755         (cris_symbol): Remove prototypes for removed functions.
 756         (cris_pic_symbol_type_of, cris_valid_pic_const)
 757         (cris_expand_pic_call_address): Prototypes for new functions.
 758         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
 759         variable.
 760         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
 761         modifiers.
 762         <case ':'>: Add case for new punctuation character.
 763         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
 764         emitting (extra) PIC modifier.
 765         <case UNSPEC>: Do not assert for PLT.
 766         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
 767         (cris_expand_prologue, cris_expand_epilogue): Check
 768         for pic_offset_table_rtx usage instead of taking
 769         current_function_uses_pic_offset_table as the final word.
 770         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
 771         Remove flag_pic difference.
 772         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
 773         the moral equivalents of...
 774         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
 775         functions.
 776         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
 777         (cris_handle_option): Mark ARG as unused.
 778         (cris_expand_pic_call_address): New worker function for "call",
 779         "call_value".
 780         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
 781         output PIC constructs here.
 782         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
 783         as symbol-specific modifers, not whole or part of operands.
 784         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
 785         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
 786         constants and flag_pic.
 787         (CONSTANT_INDEX_P): Adjust for new functions.
 788         (enum cris_pic_symbol_type): New helper type.
 789         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
 790         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
 791         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
 792         define_constants.
 793         ("movsi"): Emit actual instructions for GOT and relative access.
 794         ("*movsi_got_load"): New pattern to set up the register holding
 795         the GOT pointer.
 796         ("*movsi_internal"): Operand 1 is not a plain general_operand.
 797         Adjust FIXME for 'S'.
 798         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
 799         Use "movs" for -fpic cases.
 800         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
 801         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
 802         ("call", "call_value"): Just call cris_expand_pic_call_address for
 803         PIC addresses.
 804         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
 805         Remove special pattern.
 806         ("*expanded_call_side", "*expanded_call_value_side"): New
 807         patterns.
 808         (gotplt-to-plt, gotplt-to-plt-side-call)
 809         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
 810         peephole2:s.
 811         * config/cris/cris/predicates.md
 812         ("cris_general_operand_or_gotless_symbol"): Remove unused
 813         predicate.
 814         ("cris_general_operand_or_symbol"): Adjust for new functions.
 815
 816 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 817
 818         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
 819
 820 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
 821
 822         * Makefile.in (TREE_H): Add treestruct.def.
 823         (c-decl.o): Add pointer-set.h
 824         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
 825         visibility on regular DECL's.
 826         (merge_decls): Fix the copying of decl nodes of various types for
 827         the new structures.  Don't update RTL, section name, weak status,
 828         etc, on DECL's without RTL.
 829         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
 830         Don't check volatile on non-variable types.
 831         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
 832         to check whether we have seen arguments.
 833         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
 834         flag is checked before field (flag is common, field is not).
 835         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
 836         TS_DECL_COMMON could have an origin.
 837         (add_location_or_const_value_attribute): Don't check section name
 838         on non-var/function decls.
 839         (dwarf2out_var_location): Reverse order of tests.
 840         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
 841         with DECL_WRTL_CHECK.
 842         * expmed.c (make_tree): rtl is now in decl_with_rtl.
 843         * fold-const.c (fold_binary): Don't check weakness on
 844         non-var/function decls.
 845         (tree_expr_nonzero_p): Ditto.
 846         (fold_checksum_tree): Use tree_decl_extra as sizeof
 847         buffer.
 848         * ggc-page.c (extra_order_size_table): Add sizes for
 849         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
 850         tree_field_decl.
 851         * gimplify.c (gimplify_bind_expr): Only set
 852         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
 853         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
 854         without RTL.
 855         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
 856         * langhooks.h (init_ts). New langhook.
 857         * passes.c (rest_of_decl_compilation): Reverse order of tests.
 858         * print-tree.c (print_node): Update to only print fields that
 859         exist in the structures the passed decl has.
 860         * toplev.c (wrapup_global_declarations): Don't reset
 861         DECL_DEFER_OUTPUT on DECL's that don't contain it.
 862         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
 863         * tree-inline.c (remap_decl): Ditto.
 864         * tree-outof-ssa.c (create_temp): Reverse order of tests.
 865         * tree-pretty-print.c (print_declaration): Don't print
 866         DECL_REGISTER on things that don't contain it.
 867         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
 868         non-var/function decls.
 869         * tree.c (tree_contains_struct): New structure.
 870         (init_priority_for_decl): New hashtable.
 871         (tree_int_map): New structure.
 872         (tree_int_map_eq): New function.
 873         (tree_int_map_marked_p): Ditto.
 874         (tree_int_map_hash): Ditto.
 875         (tree_map): Move to tree.h.
 876         (tree_map_eq): Externalize.
 877         (tree_map_hash): Ditto.
 878         (tree_map_marked_p): Ditto.
 879         (init_ttree): Set up tree_contains_struct and call langhook.
 880         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
 881         (tree_code_size): Update for new structures.
 882         (tree_node_structure): Update for new structures.
 883         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
 884         without the field.
 885         (copy_node_stat):  Copy init priority.
 886         (build_decl_stat): Ditto for visibility.
 887         (ts_enum_names): New.
 888         (tree_contains_struct_check_failed): New function.
 889         (decl_init_priority_lookup): Ditto.
 890         (decl_init_priority_insert): Ditto.
 891         * treestruct.def: New file.
 892         * tree.h (CODE_CONTAINS_STRUCT): New macro.
 893         (CONTAINS_STRUCT_CHECK): Ditto.
 894         (tree_contains_struct_check_failed): New prototype.
 895         (DECL_CHECK): Removed.
 896         (DECL_MINIMAL_CHECK): New.
 897         (DECL_COMMON_CHECK): Ditto.
 898         (DECL_WRTL_CHECK): Ditto.
 899         (DECL_NON_COMMON_CHECK): Ditto.
 900         (DECL_WITH_VIS_CHECK): Ditto.
 901         (VAR_OR_FUNCTION_DECL_P): Ditto
 902         (struct tree_decl_minimal): New structure.
 903         (struct tree_decl_common): Ditto.
 904         (struct tree_decl_with_rtl): Ditto.
 905         (struct tree_decl_with_vis): Ditto.
 906         (struct tree_decl_non_common): Ditto.
 907         (struct tree_field_decl): Ditto.
 908         (struct tree_parm_decl): Ditto.
 909         (struct tree_var_decl): Ditto.
 910         (struct tree_function_decl): Ditto.
 911         (struct tree_const_decl): Ditto.
 912         (struct tree_result_decl): Ditto.
 913         (union tree_node): Add new structures.
 914         * var-tracking.c (track_expr_p): Reverse order of tests.
 915
 916         * doc/c-tree.texi: Add documentation on DECL node internal structure.
 917
 918 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
 919
 920         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
 921         * system.h: Poison FINALIZE_PIC.
 922         * doc/tm.texi (FINALIZE_PIC): Remove.
 923
 924 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 925
 926         PR tree-opt/22329
 927         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
 928         to the correct type if we have a MODIFY_EXPR.
 929
 930 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
 931
 932         PR tree-optimization/22360
 933         * tree.c (upper_bound_in_type): Fix calculations for casting
 934         to a non-wider signed type and casting a signed value to a
 935         wider unsigned type.
 936         (lower_bound_in_type): Fix calculations for casting to a
 937         non-wider signed type.
 938
 939         PR tree-optimization/20139
 940         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
 941         release_defs.
 942         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
 943         fold_cond_expr_cond.
 944         * tree-ssanames.c (release_defs): Assert in_ssa_p.
 945         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
 946
 947 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 948
 949         PR tree-opt/22356
 950         * tree-complex.c (expand_complex_libcall): Produce
 951         REALPART_EXPR/IMAGPART_EXPR with the correct type.
 952
 953 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
 954
 955         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
 956         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
 957         b" assert and inserted fastpath code for this case.
 958         (bitmap_ior): Removed "a != b" assert.
 959
 960 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 961
 962         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
 963         (ENDFILE_SPEC): Likewise.
 964         * config/m32r/m32r.h (ASM_SPEC): Likewise.
 965
 966         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
 967         a large stack frame at epilogue.
 968
 969 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
 970
 971         * final.c: Include sdbout.h when required.
 972
 973 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
 974
 975         * config.gcc (*-*-darwin*): Only one target-specific header file
 976         for generic darwin.
 977         (powerpc-*-darwin*): Add version-specific header files.
 978         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
 979         * config.in: Regenerate.
 980         * configure: Regenerate.
 981         * gcc.c: Include xregex.h.
 982         (version_compare_spec_function): New.
 983         (spec_function): Add version-compare.
 984         (replace_outfile_spec_function): Reformat comment.
 985         (compare_version_strings): New.
 986         * config/darwin-c.c (version_as_macro): New.
 987         (builtin_define): New.
 988         (darwin_cpp_builtins): New.
 989         * config/darwin-protos.h (darwin_cpp_builtins): New.
 990         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
 991         (LIB_SPEC): Make unconditional, update comment.
 992         (TARGET_C99_FUNCTIONS): Define.
 993         * config/darwin.opt: Sort.
 994         (mmacosx-version-min=): New.
 995         * config/darwin7.h: Delete.
 996         * config/darwin8.h: Delete.
 997         * config/i386/darwin.h (): Call darwin_cpp_builtins.
 998         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
 999         (TARGET_C99_FUNCTIONS): Define.
1000         * config/rs6000/darwin7.h: New.
1001         * config/rs6000/darwin8.h: New.
1002         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1003         (-mmacosx-version-min): Document.
1004
1005 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1006
1007         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1008
1009 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1010
1011         PR middle-end/22239
1012         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1013
1014 2005-07-07  Khem Raj  <kraj@mvista.com>
1015
1016         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1017         in bytes, not words.
1018
1019 2005-07-07  Paul Brook  <paul@codesourcery.com>
1020
1021         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1022         DEFAULT_FUNCTION_ARG_PADDING to upward.
1023
1024 2005-07-07  Richard Henderson  <rth@redhat.com>
1025
1026         * function.c (locate_and_pad_parm): Record parameter alignment in
1027         stack_alignment_needed.
1028
1029 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1030
1031         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1032         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1033         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1034         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1035         (define_attr "type"): Add isync, sync, load_l, store_c.
1036         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1037         Create scratch volatile MEM.
1038         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1039         sync.
1040         (load_locked_<mode>): New.
1041         (store_conditional_<mode>): New.
1042         (sync_compare_and_swap<mode>): Replace with splitter.
1043         (sync_lock_test_and_set<mode>): Replace with splitter.
1044         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1045         and UNSPECV_ISYNC.
1046         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1047         is ics.  Attribute isync.
1048         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1049         lwsync.
1050         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1051         and UNSPECV_SYNC_OP.
1052         (emit_unlikely_jump): New.
1053         (emit_load_locked): New.
1054         (emit_store_conditional): New.
1055         (rs6000_split_compare_and_swap): New.
1056         (rs6000_split_lock_test_and_set): New.
1057         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1058         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1059         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1060         rs6000_split_lock_test_and_set): Declare.
1061         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1062         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1063         store_c, isync, sync.
1064
1065 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1066
1067         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1068         filenames to gtyp-gen.h.
1069         (s-typ-gen): Use it in place of for loops.
1070
1071 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1072
1073         * hooks.c (hook_bool_rtx_int_false): New function.
1074         * hooks.h (hook_bool_rtx_int_false): Declare.
1075         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1076         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1077         * target.h (struct gcc_target): Add commutative_p member.
1078         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1079         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1080         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1081         (pa_commutative_p): New function.
1082         * jump.c (target.h): Include.
1083         (rtx_renumbered_equal_p): Use targetm.commutative_p.
1084         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
1085
1086 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1087
1088         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
1089         (s390_expand_setmem): New.
1090         * config/s390/s390.c: Likewise.
1091         (print_shift_count_operand): Truncate to 12 bits instead of 6.
1092         Adapt comments.
1093         * config/s390/s390.md: ("setmem<mode>"): Accept character as
1094         general_operand.  Call new function "s390_expand_setmem".
1095         ("clrmem_long", "*clrmem_long"): Rewrite to ...
1096         ("setmem_long", "*setmem_long"): ... this.
1097
1098 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1099
1100         * config/s390/s390.c: (optimization_options): Enable
1101         TARGET_MVCLE at -Os.
1102         * doc/invoke.texi: Document changes in default behaviour.
1103         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
1104
1105 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1106
1107         * expr.c: (set_storage_via_setmem): Convert opchar to mode
1108         defined by back-end.
1109
1110 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
1111
1112         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1113         all sets in the pattern.
1114         * config/rs6000/rs6000.md (stack_protect_testsi,
1115         stack_protect_testdi): Likewise.
1116
1117 2005-07-06  Jeff Law  <law@redhat.com>
1118
1119         * tree-vrp.c (simplify_using_ranges): Kill.
1120         (vrp_finalize): Remove call to simplify_using_ranges.
1121         (simplify_stmt_using_ranges): New function extracted from
1122         simplify_using_ranges.
1123         (simplify_div_or_mod_using_ranges): Likewise.
1124         (simplify_abs_using_ranges): Likewise.
1125         (simplify_cond_using_ranges): New function.
1126         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
1127         * tree-ssa-propagate.c (substitute_and_fold): Call
1128         simplify_stmt_using_ranges if we have range information.
1129
1130 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
1131
1132         * config/ia64/ia64.c (ia64_reorg): Check optimize before
1133         ia64_flag_schedule_isns2.
1134
1135         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
1136         reading/writing general registers.
1137         (ia64_function_arg): Revert 2005-06-18 change.
1138
1139 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1140
1141         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
1142         (legitimize_tls_address): Use gcc_unreachable instead of abort.
1143
1144 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
1145
1146         * function.c (expand_function_end): Revert part of 2005-06-27
1147         patch.  Do sjlj_emit_function_exit_after after return_label.
1148
1149 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1150
1151         * doc/install.texi (--disable-libssp): New.
1152
1153 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
1154
1155         * doc/invoke.texi: Update -fforce-mem documentation.
1156         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
1157         code for -fforce-mem.
1158         * expmed.c: (store_bit_field,store_fixed_bit_field,
1159         extract_bit_field): Ditto.
1160         * expr.c: (convert_move): Ditto.
1161         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
1162         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
1163         emit_conditional_add,expand_float,expand_fix): Ditto.
1164         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
1165         (common_handle_option): Issue warning when -fforce-mem specified.
1166
1167 2005-07-06  Paul Brook  <paul@codesourcery.com>
1168
1169         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
1170         argument is empty.
1171         * configure: Regenerate.
1172
1173 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
1174
1175         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
1176
1177 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
1178
1179         Fix PR tree-optimization/22319
1180         Fix PR tree-optimization/22140
1181         Fix PR tree-optimization/22310
1182
1183         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
1184         variable sized types.
1185         Use correct type for intermediate structure on *a = *b structure
1186         copies.
1187
1188 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1189
1190         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
1191         Remove.
1192         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
1193         (machine_function): Move typedef to...
1194         * config/rs6000/rs6000.c (machine_function): ... here.  Add
1195         varargs_save_offset field.
1196         (rs6000_stack_t): Remove varargs_size field.
1197         (setup_incoming_varargs): Allocate varargs save area using
1198         assign_stack_local, try to make it as small as possible.
1199         Save offset from virtual_stack_vars_rtx to the save area
1200         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
1201         instead of magic 8 when fp word byte size is used.
1202         (rs6000_va_start): Use cfun->machine->varargs_save_offset
1203         instead of -RS6000_VARARGS_SIZE.
1204         (rs6000_stack_info, debug_stack_info,
1205         rs6000_initial_elimination_offset): Remove all traces of
1206         varargs_size.
1207         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
1208         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
1209         RS6000_VARARGS_AREA.
1210
1211 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
1212
1213         PR tree-optimization/21963
1214         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
1215         constant_multiple_of in the same way get_computation_cost_at does.
1216
1217 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1218
1219         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
1220         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
1221         (gen_compare_reg): If sparc_compare_emitted is set, clear it
1222         and return its previous value.
1223         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
1224         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
1225         constants.
1226         (stack_protect_set, stack_protect_test): New expanders.
1227         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
1228         stack_protect_testdi): New insns.
1229         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1230         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
1231
1232 2005-07-06  Jeff Law  <law@redhat.com>
1233
1234         * tree-ssa-dce.c (cfg_altered): New global.
1235         (tree_dce_init): Initialize cfg_altered.
1236         (remove_dead_stmt): If we remove an edge in the CFG, then set
1237         CFG_ALTERED.
1238         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
1239         the dominators.
1240
1241 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1242
1243         * Makefile.in (stamp-collect-ld): Use
1244         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
1245         ./collect-ld if it already exists.
1246         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
1247         Don't remove ./nm if it already exists.
1248
1249 2005-07-05  Devang Patel  <dpatel@apple.com>
1250
1251         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
1252         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
1253         * tree-vectorizer.c (vect_loop_location): New.
1254         (vect_print_dump_info): Use vect_loop_location.
1255         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
1256         (vectorize_loops): Set vect_loop_location.
1257         * tree-vect-analyze.c (vect_analyze_offset_expr,
1258         vect_determin_vectorization_factor, vect_analyze_operations,
1259         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
1260         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
1261         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
1262         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
1263         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
1264         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
1265         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
1266         vect_analyze_loop): Adjust vect_print_dump_info API.
1267         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1268         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
1269         vect_finish_stmt_generation, vectorizable_assignment,
1270         vectorizable_operation, vectorizable_store, vectorizable_load,
1271         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
1272         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1273         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
1274         vect_transform_loop): Same.
1275         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
1276         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
1277         Same.
1278
1279 2005-07-05  Randolph Chung  <tausq@debian.org>
1280
1281         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
1282         * configure: Regenerate.
1283         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
1284         (pa_tls_referenced_p): Declare.
1285         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
1286         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
1287         (legitimize_tls_address): New.
1288         (hppa_legitimize_address): Handle TLS addresses.
1289         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
1290         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1291         (emit_move_sequence): Handle TLS addresses.
1292         (pa_encode_section_info): Call default handler to handle common
1293         sections.
1294         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
1295         (CONSTANT_ADDRESS_P): Reject TLS operands.
1296         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
1297         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
1298         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
1299         (UNSPEC_TLSLE): Define new constants.
1300         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
1301         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
1302         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
1303         (tie_symbolic_operand, tle_symbolic_operand): New
1304
1305 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
1306
1307         * aclocal.m4: Update macros for autoconf 2.59 style.
1308         * configure.ac: Likewise.
1309
1310 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1311
1312         * pa.c (function_value): Handle small aggregates on 32-bit targets.
1313         (function_arg): Pass small aggregates in general registers on 32-bit
1314         targets.
1315         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
1316
1317 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
1318
1319         * Makefile.in (final.o): Fix dependencies.
1320
1321 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1322
1323         PR c/22013
1324         PR c/22098
1325         * langhooks.h (struct lang_hooks): Add expr_to_decl.
1326         * langhooks.c (lhd_expr_to_decl): New.
1327         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
1328         New.
1329         (LANG_HOOKS_INITIALIZER): Update.
1330         * tree.c (recompute_tree_invarant_for_addr_expr): Call
1331         expr_to_decl langhook.
1332         * c-tree.h (c_expr_to_decl): Declare.
1333         * c-typeck.c (c_expr_to_decl): New.
1334         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
1335         specially.
1336         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
1337
1338 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1339
1340         PR c/22308
1341         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
1342         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
1343
1344 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
1345
1346         * Makefile.in: Adjust dependencies.
1347         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
1348         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
1349         * alias.c (rest_of_handle_cfg, pass_cfg): New.
1350         * bb-reorder.c (duplicate_computed_gotos): Make it static.
1351         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
1352         rest_of_compilation.
1353
1354         * bb-reorder.c (gate_duplicate_computed_gotos,
1355         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
1356         rest_of_handle_reorder_blocks, pass_reorder_blocks,
1357         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
1358         pass_partition_blocks): New.
1359         * bt-load.c (gate_handle_branch_target_load_optimize,
1360         rest_of_handle_branch_target_load_optimize,
1361         pass_branch_target_load_optimize): New.
1362         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
1363         pass_jump2): New.
1364         * cfglayout.c (pass_insn_locators_initialize): New.
1365         * cfgrtl.c (pass_free_cfg): New.
1366         * combine.c (gate_handle_combine, rest_of_handle_combine,
1367         pass_combine): New.
1368         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
1369         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
1370         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
1371         * except.c (pass_set_nothrow_function_flags,
1372         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
1373         pass_rtl_eh): New.
1374         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
1375         rest_of_handle_shorten_branches, pass_shorten_branches,
1376         rest_of_clean_state, pass_clean_state): New.
1377         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
1378         rest_of_handle_remove_death_notes, pass_remove_death_notes,
1379         rest_of_handle_life, pass_life, rest_of_handle_flow2,
1380         pass_flow2): New.
1381         * function.c (pass_instantiate_virtual_regs, pass_init_function,
1382         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
1383         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1384         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
1385         pass_gcse): New.
1386         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
1387         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
1388         pass_rtl_ifcvt, gate_handle_if_after_combine,
1389         rest_of_handle_if_after_combine, pass_if_after_combine,
1390         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
1391         pass_if_after_reload): New.
1392         * integrate.c (pass_initial_value_sets): New.
1393         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
1394         pass_purge_lineno_notes): New.
1395         * mode-switching.c (rest_of_handle_mode_switching,
1396         pass_mode_switching): New.
1397         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
1398         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
1399         pass_loop2): New.
1400         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
1401         pass_loop_optimize): New.
1402         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
1403         pass_sms): New.
1404         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
1405         pass_gcse2): New.
1406         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
1407         pass_postreload_cse): New.
1408         * profile.c (gate_handle_profiling, pass_profiling,
1409         rest_of_handle_branch_prob, pass_branch_prob): New.
1410         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
1411         pass_split_before_regstack, gate_handle_split_before_regstack,
1412         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
1413         rest_of_handle_split_all_insns, pass_split_all_insns): New.
1414         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
1415         pass_stack_regs): New.
1416         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
1417         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
1418         pass_stack_adjustments): New.
1419         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
1420         pass_regrename): New.
1421         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
1422         pass_delay_slots, gate_handle_machine_reorg,
1423         rest_of_handle_machine_reorg, pass_machine_reorg): New.
1424         * rtl.h (extern void purge_line_number_notes): New.
1425         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
1426         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
1427         pass_sched2): New.
1428         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
1429         pass_tracer): New.
1430         * value-prof.c (gate_handle_value_profile_transformations,
1431         rest_of_handle_value_profile_transformations,
1432         pass_value_profile_transformations): New.
1433         * var-tracking.c (gate_handle_var_tracking,
1434         pass_variable_tracking): New.
1435         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
1436
1437         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
1438         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
1439         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
1440         rest_of_handle_old_regalloc, rest_of_handle_regrename,
1441         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
1442         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
1443         rest_of_handle_gcse2, rest_of_handle_regmove,
1444         rest_of_handle_tracer, rest_of_handle_if_conversion,
1445         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
1446         rest_of_handle_web, rest_of_handle_branch_prob,
1447         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
1448         rest_of_handle_jump_bypass, rest_of_handle_combine,
1449         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1450         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1451         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
1452         rest_of_handle_mode_switching, rest_of_handle_jump,
1453         rest_of_handle_eh, rest_of_handle_stack_adjustments,
1454         rest_of_handle_flow2, rest_of_handle_jump2,
1455         rest_of_handle_peephole2, rest_of_handle_postreload,
1456         rest_of_handle_shorten_branches, rest_of_clean_state,
1457         rest_of_compilation): Remove.
1458
1459         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
1460         * passes.c (dump_flags, in_gimple_form, all_passes,
1461         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1462         register_dump_files, next_pass_1, last_verified, execute_todo,
1463         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
1464         from tree-optimize.c.
1465         (init_optimization_passes): Moved from tree-optimize.c,
1466         adding the RTL optimizations.
1467         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
1468         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
1469         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1470         register_dump_files, next_pass_1, last_verified, execute_todo,
1471         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
1472         init_tree_optimization_passes, ipa_passes): Delete.
1473         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
1474         the RTL dumps.
1475         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
1476         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
1477         from tree.h.
1478         (ipa_passes): Remove.
1479         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
1480         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
1481         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
1482         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
1483         (dump_info_p, dump_flag): Moved to tree-dump.h.
1484
1485         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
1486         cgraph.c, opts.c.
1487         * passes.c (finish_optimization_passes): Use dump_begin
1488         and dump_end, TDI_end.
1489         (gate_rest_of_compilation): New.
1490         (pass_rest_of_compilation): Use it.
1491         (gate_postreload, pass_postreload): New.
1492         * toplev.c (general_init): Rename init_tree_optimization_passes.
1493         * toplev.h (init_tree_optimization_passes): Rename to
1494         init_optimizations_passes.
1495         * tree-dump.c (dump_flag): Make static.
1496         (dump_files): Remove RTL dumps.
1497         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
1498         pass_cleanup_cfg, pass_free_cfg_annotations,
1499         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
1500         pass_init_datastructures, pass_fixup_cfg): Make non-static.
1501         * tree-pretty-print.c: Include tree-pass.h.
1502         * cgraph.c: Include tree-dump.h.
1503
1504 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
1505
1506         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
1507         Only fall back to saying it points to readonly memory if
1508         we can't do better.
1509
1510 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1511
1512         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
1513         * config/m32r/m32r.c (m32r_compute_frame_size,
1514         m32r_expand_prologue): Take current_function_profile into
1515         account whenever we reference
1516         current_function_uses_pic_offset_table.
1517         (m32r_finalize_pic): Remove.
1518         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
1519
1520 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
1521
1522         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
1523         instead of $<.  Don't remove ./as if it already exists.
1524
1525 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1526
1527         PR target/21723
1528         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
1529         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
1530         for complex modes when generating code for PA 1.0.
1531         (VALID_FP_MODE_P): New macro.
1532         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
1533         sets for all general and floating point modes.  Align wide floating
1534         point modes to even register boundaries to comply with architectural
1535         requirements.
1536         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
1537         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
1538         (VALID_FP_MODE_P): New macro.
1539         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
1540         sets for all general and floating point modes.  Align wide floating
1541         point modes to even register boundaries to comply with architectural
1542         requirements.
1543
1544 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1545
1546         * tree-dump.c (dump_files): Initialize dump number for .cgraph
1547         to 0.
1548
1549 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1550
1551         * tree-ssa-structalias.c: Don't include expr.h.
1552
1553 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1554
1555         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
1556         comments.
1557
1558 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
1559
1560         Fix PR tree-optimization/22279
1561
1562         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
1563         correct operator.
1564
1565 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
1566
1567         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
1568
1569 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1570
1571         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
1572         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
1573         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
1574         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
1575         config/stormy16/stormy16.c, config/v850/v850.c,
1576         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
1577         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
1578         Avoid "." or "\n" at end of diagnostics and capital letters at
1579         start of diagnostics.
1580         * combine.c, cse.c: Don't translate dump file output.
1581         * toplev.c (print_version): Only translate output if going to
1582         stderr.
1583
1584 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1585
1586         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
1587         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
1588         typos.
1589
1590 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1591
1592         * pa.c (fix_range): Fix typo in comment.
1593
1594 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1595
1596         * tree-vrp.c (extract_range_from_assert): Replace
1597         fold (build (...)) with fold_build2.
1598
1599 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1600
1601         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
1602         gcc_gfc_char_table, init_dynamic_gfc_info): New.
1603         (format_types_orig, handle_format_attribute): Add support for
1604         format "gcc_gfc".
1605
1606 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1607
1608         * varasm.c (assemble_variable): Fix format specifier thinko.
1609
1610 2005-07-03  Ira Rosen  <irar@il.ibm.com>
1611
1612         PR tree-optimization/22029 (and 22135)
1613         * tree-pretty-print.c (dump_generic_node): Check that the node is not
1614         a phi node before calling dump_vops.
1615
1616 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1617
1618         * tree-dump.h (dump_string_field): Declare.
1619         * tree-dump.c: Use it instead of dump_string.
1620         (dump_string_field): Make non-static.
1621
1622 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1623
1624         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
1625         up the minimal CFG stuff always when optimize > 0.  Call
1626         split_all_insns_noflow in PIC case if needed.
1627
1628 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1629             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
1630
1631         PR c++/18279
1632         * c-decl.c (c_write_global_declarations): Dump contents of
1633         external scope to.
1634         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
1635         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
1636         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
1637         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
1638         is enabled.
1639
1640 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1641
1642         * c-common.h (GCC_DIAG_STYLE): Define.
1643         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
1644         version for format checking to 4.1.
1645         * c-format.c: Include toplev.h after c-common.h.
1646         (enum format_type): Add gcc_tdiag_format_type.
1647         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
1648         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
1649         (format_types_orig): Add gcc_tdiag.
1650         (init_dynamic_diag_info): Support gcc_tdiag formats.
1651         (handle_format_attribute): Likewise.
1652         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
1653         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
1654         version for format checking to 4.1.
1655         (warning0, warning, error, pedwarn, sorry): Use
1656         ATTRIBUTE_GCC_DIAG.
1657         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
1658         (finish_aliases_1): Do not use %qE.
1659         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
1660         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
1661         Correct format bugs.
1662         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
1663         parameter to unsigned HOST_WIDE_INT.
1664         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
1665
1666 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
1667
1668         PR middle-end/21742
1669         * expr.c (write_complex_part): Use adjust_address for MEM.
1670         (read_complex_part): Same.
1671
1672 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
1673
1674         Fix PR tree-optimization/22280
1675
1676         * tree-sra.c (generate_element_init): Remove useless loop.
1677
1678 2005-07-02  Richard Henderson  <rth@redhat.com>
1679
1680         * config/alpha/alpha.c (alpha_legitimize_address): Check for
1681         TLS_MODEL_NONE.
1682         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
1683
1684 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
1685
1686         PR middle-end/14490
1687         * fold-const.c (fold_binary): Handle the return value of
1688         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
1689         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
1690
1691 2005-07-02  Jeff Law  <law@redhat.com>
1692
1693         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
1694         a eliminate type conversion which feeds an equality comparison
1695         if the original type or either operand in the comparison is a
1696         function pointer.
1697
1698 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
1699
1700         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
1701         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
1702         texts.
1703         * config/avr/avr.c: Do not use '`' as left quote.
1704         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
1705         Remove "." from end of diagnostics.  Make diagnostics start with
1706         lowercase letter.
1707
1708 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
1709             Joseph S. Myers  <joseph@codesourcery.com>
1710
1711         * toplev.c (default_tree_printer): Handle setting location with
1712         '+' flag.
1713         * c-objc.common.c (c_tree_printer): Likewise.
1714         * c-format.c (gcc_diag_flag_specs): Add '+'.
1715         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
1716         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
1717         formats.
1718         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
1719         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
1720         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
1721         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
1722         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
1723         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
1724         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
1725         format arguments where %J is used without %D.
1726
1727 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
1728
1729         * gcc.c (LINK_SSP_SPEC): Define.
1730         (link_ssp_spec): New variable.
1731         (LINK_COMMAND_SPEC): Add %(link_ssp).
1732         (static_specs): Add link_ssp_spec.
1733         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
1734         * configure: Rebuilt.
1735         * config.in: Rebuilt.
1736
1737         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1738         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1739         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1740         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1741         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
1742         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
1743         -0x7008(2) instead of reading __stack_chk_guard variable.
1744         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
1745         number.
1746         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
1747         (stack_protect_set, stack_protect_test): Use *_tls* patterns
1748         if TARGET_THREAD_SSP_OFFSET is defined.
1749         (stack_tls_protect_set_si, stack_tls_protect_set_di,
1750         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
1751
1752         Revert:
1753         2005-06-27  Richard Henderson  <rth@redhat.com>
1754         * libgcc-std.ver (GCC_4.1.0): New.
1755         * libgcc.h (__stack_chk_guard): Declare.
1756         (__stack_chk_fail, __stack_chk_fail_local): Declare.
1757         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
1758         * mklibgcc.in (lib2funcs): Add them.
1759
1760 2005-07-01  Richard Henderson  <rth@redhat.com>
1761
1762         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
1763         void * before struct sigcontext *.
1764         (x86_fallback_frame_state): Likewise.
1765
1766 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
1767
1768         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
1769
1770 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1771
1772         PR tree-opt/22269
1773         * tree-ssa-reassoc.c (should_transpose): Fix which operand
1774         we check for SSA_NAME for.
1775
1776 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
1777
1778         Fix PR tree-optimization/22071
1779
1780         * tree-ssa-structalias.c (offset_overlaps_with_access): New
1781         function.
1782         (get_constraint_for_component_ref): Use it.
1783
1784 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1785
1786         PR other/22264
1787         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
1788         print out the last new line.
1789
1790 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
1791
1792         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
1793         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
1794         * config/cris/cris.c (cris_conditional_register_usage): Adjust
1795         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
1796         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
1797         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
1798         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
1799         (enum reg_class): New member CC0_REGS.
1800         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
1801         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
1802         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
1803         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
1804         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1805         Adjust for register now described.
1806
1807 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR target/22262
1810         * config/i386/i386.md (stack_protect_test_si,
1811         stack_protect_test_di): Add earlyclobber for scratch 3.
1812         * config/rs6000/rs6000.md (stack_protect_testsi,
1813         stack_protect_testdi): Add earlyclobber for scratch 3,
1814         remove earlyclobber from scratch 4.
1815
1816 Older entries for 2005 can be found in ChangeLog-2005.