gcc/ChangeLog

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