gcc/ChangeLog

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