gcc/ChangeLog

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