gcc/ChangeLog

   1 2005-07-19  Richard Guenther  <rguenther@suse.de>
   2
   3         * config/i386/i386.md (lrint<mode>2): Use temporary
   4         instead of clobbering non-existent memory.
   5
   6 2005-07-19  Ben Elliston  <bje@au.ibm.com>
   7
   8         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
   9         * cfganal.c (find_edge_index): Ditto.
  10         * combine.c (combine_instructions): Ditto.
  11         * ddg.c (create_scc): Ditto.
  12         (find_successors): Ditto.
  13         (find_predecessors): Ditto.
  14         (find_nodes_on_paths): Ditto.
  15         (longest_simple_path): Ditto.
  16         * flow.c (update_life_info): Ditto.
  17         (count_or_remove_death_notes): Ditto.
  18         (clear_log_links): Ditto.
  19         * modulo-sched.c (generate_reg_moves): Ditto.
  20         (find_max_asap): Ditto.
  21         (find_max_hv_min_mob): Ditto.
  22         (find_max_dv_min_mob): Ditto.
  23         * sbitmap.c (sbitmap_first_set_bit): Ditto.
  24         * sched-rgn.c (extract_edgelst): Ditto.
  25         * tree-into-ssa.c (prepare_names_to_update): Ditto.
  26         (dump_update_ssa): Ditto.
  27         (ssa_names_to_replace) Ditto.
  28         (switch_virtuals_to_full_rewrite): Ditto.
  29         (update_ssa): Ditto.
  30         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
  31
  32 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
  33
  34         Fix PR tree-optimization/22483
  35
  36         * tree-complex.c (create_components): Use
  37         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
  38         * tree-flow-inline.h (fill_referenced_var_vec): New function.
  39         * tree-flow.h (safe_referenced_var_iterator): New structure.
  40         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
  41         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
  42         safe_referenced_var iterator.
  43         (add_type_alias): Ditto.
  44
  45 2005-07-19  Steven Bosscher  <stevenb@suse.de>
  46
  47         * loop-init.c (rest_of_handle_loop2): Remove.
  48         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
  49         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
  50         (pass_rtl_loop_init, pass_rtl_loop_done,
  51         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
  52         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
  53         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
  54         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
  55         pass_tree_loop_done, and pass_tree_unswitch.
  56         (gate_loop): Rename to gate_tree_loop.
  57         * passes.c (init_optimization_passes): Update for renamed tree
  58         loop passes.  Add the new loop2 passes as subpasses of loop2.
  59         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
  60         Update for the renamed tree loop passes.
  61
  62 2005-07-18  Ian Lance Taylor  <ian@airs.com>
  63
  64         PR middle-end/22057
  65         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
  66         blocks when optimizing.
  67
  68 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
  69
  70         * common.opt (frename-registers): Initialize to 2.
  71         (fweb): Ditto.
  72         (fgcse-after-reload): Ditto.
  73         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
  74         (process_options): Only change flag_web, flag_rename_registers,
  75         and flag_rerun_cse_after_loop if not explicitly set by user.
  76
  77 2005-07-18  Jan Beulich  <jbeulich@novell.com>
  78
  79         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
  80         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
  81         in 64-bit mode the same as DImode in 32-bit mode.
  82         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
  83         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
  84         mode. Add new mode parameter.
  85         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
  86         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
  87         x86_64_shift_adj): New expanders.
  88         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
  89         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
  90         insns.
  91         Respective new splitters. Use renamed shift splitter helpers in 32-bit
  92         DImode shift splitters.
  93         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
  94         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
  95         mode parameter.
  96
  97 2005-07-18  Jan Beulich  <jbeulich@novell.com>
  98
  99         * i386.md (movdi_extzv_1): New.
 100         (zero_extendhidi2): Combine alternatives and never force use of
 101         REX64 prefix.
 102         (zero_extendqidi2): Likewise. Don't restrict input selection.
 103
 104 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
 105
 106         Fix PR tree-optimization/22531
 107         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
 108          moment.
 109
 110 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
 111
 112         * tree-promote-statics.c (pass_promote_statics): Change dump file
 113          name.
 114
 115 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
 116
 117         * tree-optimize.c (init_tree_optimization_passes): Add
 118         pass_eliminate_useless_stores pass.
 119         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
 120         * tree-ssa-pre.c (is_copy_stmt): New function.
 121         (follow_copies_till_vuse): Ditto.
 122         (do_eustores): Ditto.
 123         (gate_eustores): Ditto.
 124
 125 2005-07-16  Richard Henderson  <rth@redhat.com>
 126
 127         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
 128
 129 2005-07-16 Danny Berlin <dberlin@dberlin.org>
 130            Kenneth Zadeck <zadeck@naturalbridge.com>
 131
 132         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
 133         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
 134         ipa-type-escape.h, tree-promote-statics.c
 135         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
 136         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
 137         tree-promote-statics.c: new files.
 138         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
 139         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
 140         int nonlocal_set_p, mark_constant_function): Deleted.
 141         (rest_of_handle_cfg): Removed call to mark_constant_function.
 142         (nonoverlapping_component_refs_p): Added calls to support
 143         type based aliasing.
 144         * tree-ssa-alias.c (may_alias_p,
 145         compute_flow_insensitive_aliasing): Ditto.
 146         * calls.c (flags_from_decl_or_type): Removed reference to
 147         cgraph_rtl_info.
 148         * c-typeck.c (convert_arguments): Make builtins tolerant of having
 149         too many arguments.  This is necessary for Spec 2000.
 150         * cgraph.h (const_function, pure_function): Removed.
 151         * common.opt: Added "fipa-pure-const", "fipa-reference",
 152         "fipa-type-escape", and "ftree-promote-static".
 153         * opts.c: Ditto.
 154         * passes.c: Added ipa and tree-promote-statics passes.
 155         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
 156         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
 157         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
 158         * tree-flow.h: Added exposed sra calls and addition of
 159         reference_vars_info field for FUNCTION_DECLS.
 160         * tree-pass.h: Added passes.
 161         * tree-sra.c: (sra_init_cache): New function.
 162         (sra_insert_before, sra_insert_after) Made public.
 163         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
 164         and made public.
 165         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
 166         aliasing. (may_alias_p): Added code to use type escape analysis to
 167         improve alias sets.
 168         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
 169         code to prune clobbers of static variables based on information
 170         produced in ipa-reference pass.  Changed call clobbering so that
 171         statics are not marked as clobbered if the call does not clobber
 172         them.
 173
 174 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
 175
 176         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
 177         too.
 178
 179 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
 180
 181         * doc/install.texi (*-*-solaris2*): Document recommended version
 182         of GNU binutils and mention GNU linker problem on Solaris 10.
 183
 184 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
 185
 186         PR c/22421
 187         * c-decl.c (c_build_bitfield_integer_type): New function.
 188         (finish_struct): Call it.
 189         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
 190
 191 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 192
 193         * c-typeck.c (digest_init): Call 'convert_for_assignment'
 194         before returning.
 195
 196 2005-07-16  Jan Hubicka  <jh@suse.cz>
 197
 198         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
 199         (scale_bbs_frequencies_int): Watch roundoff errors.
 200         * predict.c (return_prediction): Initialize return_stmt.
 201
 202 2005-07-16  Jan Hubicka  <jh@suse.cz>
 203
 204         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
 205         after RTL profiling.
 206
 207 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
 208
 209         PR middle-end/22398
 210         * fold-const.c (build_range_check): Convert high/low to etype
 211         if we are only comparing against exp.
 212
 213 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
 214
 215         Fix PR tree-optimization/22376
 216         * tree-ssa-structalias.c (build_constraint_graph): We really meant
 217         special var here.
 218         (need_to_solve): New function.
 219         (compute_points_to_sets): Use it.
 220
 221 2005-07-15  Jan Hubicka  <jh@suse.cz>
 222
 223         * cfg.c (update_bb_profile_for_threading): More diagnostic.
 224         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
 225
 226 2005-07-15  Richard Guenther  <rguenther@suse.de>
 227
 228         * c-common.c (handle_flatten_attribute): New function.
 229         Add flatten function attribute.
 230         * doc/extend.texi: Document flatten function attribute.
 231         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
 232         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
 233         New functions.
 234         (cgraph_decide_inlining): Handle functions with flatten
 235         attribute.
 236
 237 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
 238
 239         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
 240         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
 241         UNSPEC_XCHG, UNSPEC_AND): New.
 242         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
 243         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
 244         * config/rs6000/sync.md (FETCHOP): New code macro.
 245         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
 246         New code attrs.
 247         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
 248         (sync_compare_and_swap<mode>): Same.
 249         (sync_lock_test_and_set<mode>): Same.
 250         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
 251         for QImode and HImode, and not PPC405.
 252         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
 253         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
 254         (sync_<fetchop>{si,di}_internal): New.
 255         (sync_nand{si,di}_internal): New.
 256         (sync_old_<fetchop>{si,di}_internal): New.
 257         (sync_old_nand{si,di}_internal): New
 258         (sync_new_<fetchop>{si,di}_internal): New.
 259         (sync_new_nand{si,di}_internal): New.
 260         (atomic_and{si,di}): New.
 261         (sync_new_nand{si,di}_internal): New.
 262         (atomic_and{si,di}): New.
 263         (sync_add<mode>_internal): Delete.
 264         (sync_addshort_internal): Use unspec instead of unspec_volatile.
 265         (sync_sub<mode>_internal): Delte.
 266         (sync_subshort_internal): New.
 267         (sync_andsi_internal): Use unspec instead of unspec_volatile.
 268         (sync_anddi_internal): Delete.
 269         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
 270         (sync_booldi_internal): Delete.
 271         (sync_boolc<mode>_internal): Delete.
 272         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
 273         (sync_boolc<mode>_internal2): Delete.
 274         (sync_boolcc<mode>_internal): Delete.
 275         (isync, lwsync): Use unspec instead of unspec_volatile.
 276         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
 277         Revert UNSPEC_VOLATILE.
 278         (rs6000_split_atomic_op): New.
 279         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
 280
 281 2005-07-14  Eric Christopher  <echristo@redhat.com>
 282
 283         * config/mips/mips.c (mips_canonicalize_comparison): Cast
 284         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
 285
 286 2005-07-14  Eric Christopher  <echristo@redhat.com>
 287
 288         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
 289
 290 2005-07-14  Steven Bosscher  <stevenb@suse.de>
 291
 292         PR tree-optimization/22230
 293         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
 294         the computation of the four cross productions for "range op range".
 295
 296 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
 297             Ulrich Weigand  <uweigand@de.ibm.com>
 298
 299         PR target/20126
 300         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
 301         in some insn.
 302
 303 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
 304
 305         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
 306
 307 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
 308
 309         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
 310
 311 2005-07-14  Richard Guenther  <rguenther@suse.de>
 312
 313         PR middle-end/22347
 314         * config/i386/i386-protos.h (ix86_function_value): Change
 315         prototype to match new target hook.
 316         * config/i386/i386.c (ix86_value_regno): Change prototype
 317         to take extra type argument.
 318         (TARGET_FUNCTION_VALUE): Define.
 319         (ix86_function_ok_for_sibcall): Pass extra argument to
 320         ix86_value_regno, check return slot rtx for exact match.
 321         (ix86_function_value): Take extra parameter.  Dispatch to
 322         ix86_value_regno with fndecl/fntype as provided.
 323         (ix86_value_regno): Handle extra type argument.
 324         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
 325
 326         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
 327         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
 328         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
 329         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
 330         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
 331
 332 2005-07-14  Richard Guenther  <rguenther@suse.de>
 333
 334         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
 335         * calls.c (expand_call): Pass fntype to hard_function_value.
 336         (emit_library_call_value_1): Likewise.
 337         * explow.c: Include target.h.
 338         (hard_function_value): Take extra argument, the fntype.
 339         Use new target hook for function_value.
 340         * expr.h (hard_function_value): Change prototype.
 341         * function.c (aggregate_value_p): Pass 0 as fntype to
 342         hard_function_value.
 343         (assign_parms): Use new target hook for function_value.
 344         Pass 0 as fntype to hard_function_value.
 345         (expand_function_end): Likewise.
 346         * reg-stack.c: Include target.h.
 347         (stack_result): Use new target hook for function_value.
 348         * target-def.h: New target hook function_value.
 349         * target.h: Likewise.
 350         * targhooks.c (default_function_value): New function.
 351         * targhooks.h (default_function_value): Declare.
 352
 353 2005-07-13  Ian Lance Taylor  <ian@airs.com>
 354
 355         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
 356
 357 2005-07-14  Jan Hubicka  <jh@suse.cz>
 358
 359         * tree-dfa.c (dump_variable): Use default_def function.
 360         * tree-ssa-alias.c (dump_points_to_info): Likewise.
 361         * tree-ssa.c (verify_use): Likewise.
 362         * tree-ssanames.c (release_ssa_name): Likewise.
 363         * tree-tailcall.c (eliminate_tail_call): Likewise.
 364         (tree_optimize_tail_calls_1): Likewise.
 365         * tree-vrp.c (get_value_range): Likewise.
 366
 367 2005-07-14  Ben Elliston  <bje@au.ibm.com>
 368
 369         * gcc.c (main): Compare language[0] with '*' when iterating over
 370         the infiles.
 371
 372 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
 373
 374         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
 375         "s390_emit_compare".  Add handling of CCZ1mode.
 376         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
 377         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
 378         checking.
 379         (s390_branch_condition_mask): Add CCZ1mode handling.
 380         * config/s390/s390.md: ("seq", "*seq"): New pattern.
 381         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
 382         Use CCZ1mode instead of CCZmode.
 383         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
 384
 385 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
 386
 387         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
 388         pattern.
 389         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
 390
 391 2005-07-13  Eric Christopher  <echristo@redhat.com>
 392
 393         * config/mips/mips.c (mips_canonicalize_comparison): New.
 394         (mips_emit_int_relational): Use.
 395
 396 2005-07-13  Eric Christopher  <echristo@redhat.com>
 397
 398         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
 399         static extra parts.
 400         * config/s390/s390.md: Include tpf.md. Move tpf specific
 401         patterns...
 402         * config/s390/tpf.md: To here.
 403         * config/s390/s390.opt: Move tpf specific options...
 404         * config/s390/tpf.opt: to here. Add mmain option.
 405         * config/s390/tpf-unwind.h: Remove unnecessary defines.
 406         * config/s390/tpf.h: Rewrite.
 407
 408 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 409
 410         * doc/tm.texi: Remove @xref{Cross-profiling}.
 411
 412 2005-07-13  Jeff Law  <law@redhat.com>
 413
 414         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
 415         expressions, test their _DECL operands for pointer equality rather
 416         than using operand_equal_p.
 417
 418 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
 419
 420         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
 421         (TARGET_POSIX_IO): This.
 422         * config/darwin.h: Likewise.
 423         * config/freebsd.h: Likewise.
 424         * config/linux.h: Likewise.
 425         * config/lynx.h: Likewise.
 426         * config/netbsd.h: Likewise.
 427         * config/rs6000/linux64.h: Likewise.
 428         * config/rs6000/linux.h: Likewise.
 429         * config/s390/tpf.h: Likewise.
 430         * config/sh/embed-elf.h: Likewise.
 431         * config/sparc/linux64.h: Likewise.
 432         * config/sparc/linux.h: Likewise.
 433         * config/svr4.h: Likewise.
 434         * gcov-io.h: Likewise.
 435
 436         * doc/tm.texi: Updated.
 437
 438         * libgcov.c (create_file_directory): Defined only if
 439         TARGET_POSIX_IO is defined.
 440         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
 441         is defined.
 442
 443 2005-07-13  Jan Hubicka  <jh@suse.cz>
 444
 445         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
 446
 447 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
 448
 449         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
 450         structure as argument.
 451
 452 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
 453
 454         PR tree-optimization/21921
 455         * tree-iterator.c (tsi_link_before): Support the case when
 456         tsi_end_p (tsi) == true.
 457
 458 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 459
 460         PR tree-optimization/22442
 461         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
 462         correctly.
 463
 464 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 465
 466         PR rtl-optimization/20376
 467         * toplev.c (process_options): Enable -fweb and -frename-registers when
 468         unrolling.
 469         * doc/invoke.texi: Update the information about when -fweb and
 470         -frename-registers are enabled.
 471
 472 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 473
 474         PR tree-opt/21840
 475         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
 476         if *rhs_p is not a SSA_NAME.
 477
 478 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
 479
 480         Fix PR tree-optimization/22422
 481         * tree-ssa-structalias.c (struct variable_info): Add flag for
 482         special vars.
 483         (get_varinfo): Now a static function.
 484         (new_varinfo): init has_union and is_special_var to false.
 485         (solution_set_add): Check has_union.
 486         (do_da_constraint): Move temporary variable so it gets reset
 487         properly.
 488         Also check for special variable.
 489         (do_ds_constraint): Ditto.
 490         (do_sd_constraint): Ditto.
 491         (do_structure_copy): Check for special variable.
 492         (find_func_aliases): Ditto.
 493         (init_base_vars): Set special vars properly.
 494
 495 2005-07-13  Jan Hubicka  <jh@suse.cz>
 496
 497         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
 498         do unit-at-a-time.
 499
 500         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
 501         (get_expr_operands): Fix thinko wrt flags and subvars.
 502
 503         PR tree-optimize/22379
 504         * tree-inline.c (expand_call_inline): Do not output sorry in early
 505         inlining.
 506
 507 2005-07-12  Dale Johannesen  <dalej@apple.com>
 508
 509         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
 510
 511 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 512
 513         PR bootstrap/21704
 514         * host-linux.h: Include limits.h.
 515
 516 2005-07-12  Dale Johannesen  <dalej@apple.com>
 517
 518         * expr.c (compress_float_constant):  Add cost check.
 519         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
 520
 521 2005-07-12  Dale Johannesen  <dalej@apple.com>
 522
 523         * gcc.target/i386/compress-float-sse.c:  New.
 524         * gcc.target/i386/compress-float-sse-pic.c:  New.
 525         * gcc.target/i386/compress-float-387.c:  New.
 526         * gcc.target/i386/compress-float-387-pic.c:  New.
 527         * gcc.dg/compress-float-ppc.c:  New.
 528         * gcc.dg/compress-float-ppc-pic.c:  New.
 529
 530 2005-07-12  Eric Christopher  <echristo@redhat.com>
 531
 532         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
 533         static extra parts.
 534         * config/s390/s390.md: Include tpf.md. Move tpf specific
 535         patterns...
 536         * config/s390/tpf.md: To here.
 537         * config/s390/s390.opt: Move tpf specific options...
 538         * config/s390/tpf.opt: to here. Add mmain option.
 539         * config/s390/tpf-unwind.h: Remove unnecessary defines.
 540         * config/s390/tpf.h: Rewrite.
 541
 542 2005-07-12  Eric Christopher  <echristo@redhat.com>
 543
 544         * gcc.c (struct infile): Update comment for language.
 545         (main): Rewrite input file resetting code.
 546
 547 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
 548
 549         PR tree-opt/22335
 550         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
 551         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
 552         (lookup_avail_expr): Use constant_boolean_node instead
 553         of boolean_false_node/boolean_true_node.
 554
 555 2005-07-12  Ben Elliston  <bje@au.ibm.com>
 556
 557         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
 558         and use it when printing num_edges.
 559
 560 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 561
 562         * doc/extend.texi (Blackfin Built-in Functions): New section.
 563         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
 564         @opindex.
 565
 566 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
 567
 568         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
 569         s/cmpstrsi/cmpstrnsi
 570         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
 571         'cmpstrnsi'.
 572         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
 573         (init_optabs): Initialize cmpstrn_optab.
 574         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
 575         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
 576         * expr.c: (enum insn_code cmpstrn_optab): Declare.
 577         * config/i386/i386.md: s/cmpstr/cmpstrn
 578         * config/c4x/c4x.md: s/cmpstr/cmpstrn
 579         * doc/md.texi: Update documentation.
 580
 581 2005-07-11  Richard Henderson  <rth@redhat.com>
 582
 583         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
 584         build_va_arg_indirect_ref.
 585         (alpha_gimplify_va_arg): Likewise.
 586         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
 587         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
 588         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
 589         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
 590         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
 591         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
 592         Likewise.
 593         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
 594
 595 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
 596
 597         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
 598         * passes.c (init_optimization_passes): Add pass_empty_loop.
 599         * tree-pass.h (pass_empty_loop): Declare.
 600         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
 601         try_remove_empty_loop, remove_empty_loops): New functions.
 602         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
 603         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
 604
 605 2005-07-12  Peter Barada  <peter@the-baradas.com>
 606
 607         PR middle-end/16719
 608         PR middle-end/18421
 609         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
 610         in address registers.
 611         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
 612         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
 613         alternative of addsi3_5200.
 614
 615 2005-07-11  Ian Lance Taylor  <ian@airs.com>
 616
 617         * config/mips/mips.md (ffs<mode>2): Remove.
 618
 619 2005-07-11  Ian Lance Taylor  <ian@airs.com>
 620
 621         * doc/tree-ssa.texi (Cleanups): Improve description of
 622         TRY_FINALLY_EXPR.
 623         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
 624
 625 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
 626
 627         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
 628         * tree.h (DECL_ARGUMENT_FLD): New macro.
 629
 630 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
 631
 632         Fix PR tree-optimization/22404
 633
 634         * tree-ssa-structalias.c (create_variable_info_for): Use
 635         correct offset.
 636
 637 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 638
 639         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
 640         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
 641         for second comparison operand.
 642         * config/bfin/predicates.md (reg_or_const_int_operand): New.
 643
 644         * config/bfin/bfin.md (define_attr "type"): Add "sync".
 645         (define_insn_reservation "alu"): Likewise.
 646         (csync, ssync): Now of type sync.
 647         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
 648         -mcsync-anomaly -mspecld-anomaly.
 649         * config/bfin/bfin.opt (mcsync): Remove.
 650         (mcsync-anomaly, mspecld-anomaly): Add.
 651         * config/bfin/bfin.c: Include "insn-codes.h".
 652         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
 653         (TARGET_DEFAULT_TARGET_FLAGS): New.
 654         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
 655
 656 2005-07-11  Steven Bosscher  <stevenb@suse.de>
 657
 658         * basic-block.h: Give the BB flags enum a name, bb_flags.
 659         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
 660         * cfgcleanup.c (enum bb_flags): Remove here.
 661         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
 662         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
 663         (update_forwarder_flag): Likewise.
 664         (thread_jump): Likewise.
 665         (try_forward_edges): Likewise.
 666         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
 667         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
 668         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
 669
 670 2005-07-11  Richard Guenther  <rguenther@suse.de>
 671
 672         * config/i386/i386.opt: New target option -msseregparm.
 673         * config/i386/i386.c (override_options): Error out for
 674         -msseregparm but no SSE support.
 675         (ix86_function_sseregparm): Check for global sseregparm.
 676         * doc/invoke.texi: Document -msseregparm.
 677
 678 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 679
 680         * config.gcc (m32r-*-linux*): Use the default extra_parts.
 681         (m32rle-*-linux*): Ditto.
 682
 683 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
 684
 685         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
 686         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
 687         bytes.
 688
 689 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 690
 691         PR middle-end/22239
 692         PR target/20126
 693         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
 694         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
 695
 696 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
 697
 698         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
 699         (varmap): Heapify varmap.
 700         (constraints): Heapify constraints.
 701         (struct constraint_graph): Heapify succs and preds.
 702         (constraint_vec_find): Update for heapification.
 703         (constraint_set_union): Ditto.
 704         (insert_into_complex): Ditto.
 705         (constraint_edge_vec_find): Ditto.
 706         (erase_graph_self_edge): Ditto.
 707         (add_graph_edge): Ditto.
 708         (get_graph_weights): Ditto.
 709         (merge_graph_nodes): Ditto.
 710         (build_constraint_graph): Ditto.
 711         (topo_visit): Ditto.
 712         (solve_graph): Ditto.
 713         (create_variable_info_for): Ditto.
 714         (init_base_vars): Ditto.
 715         (delete_points_to_sets): Free graph, varmap, and complex constraints.
 716         (condese_varmap_nodes): Free complex vector.
 717         (clear_edges_for_node): Clear succs and preds vector.
 718
 719 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
 720
 721         * tree-ssa-structalias.c (update_alias_info): Change counting of
 722         references to not include vdefs.
 723
 724 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
 725
 726         * tree-ssa-alias.c (free_used_part_map): Add missing free.
 727         (up_insert): Ditto.
 728
 729 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 730
 731         * pa.c (pa_commutative_p): Make PLUS commutative when
 732         TARGET_NO_SPACE_REGS is true.
 733
 734 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
 735
 736         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
 737         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
 738         * tree-dfa.c (dump_subvars_for): New.
 739         (debug_subvars_for): New.
 740         (dump_variable): Show subvariables if VAR has them.
 741         * tree-flow-inline.h (get_subvar_at): New.
 742         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
 743         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
 744         Update all users.
 745         (struct subvar): Change fields offset and size to unsigned
 746         HOST_WIDE_INT.
 747         (dump_subvars_for): Declare.
 748         (debug_subvars_for): Declare.
 749         (get_subvar_at): Declare.
 750         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
 751         to unsigned HOST_WIDE_INT *.
 752         (overlap_subvar): Likewise.
 753         * tree-gimple.c (is_gimple_reg): Always return false for
 754         SFTs and memory tags.
 755         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
 756         Update all callers.
 757         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
 758         (compute_may_aliases): Call compute_points_to_sets.
 759         (collect_points_to_info_for): Remove.
 760         (compute_points_to_and_addr_escape): Remove.
 761         (delete_alias_info): Call delete_points_to_sets.
 762         (compute_flow_sensitive_aliasing): If the call to
 763         find_what_p_points_to returns false, call set_pt_anything.
 764         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
 765         (set_pt_anything): Clear pi->pt_vars.
 766         (set_pt_malloc): Remove.
 767         (merge_pointed_to_info): Remove.
 768         (add_pointed_to_expr): Remove.
 769         (add_pointed_to_var): Remove.
 770         (collect_points_to_info_r): Remove.
 771         (is_escape_site): Make extern.
 772         (create_sft): New.
 773         (create_overlap_variables_for): Call it.
 774         * tree-ssa-copy.c (merge_alias_info): Never merge
 775         flow-sensitive alias information.
 776         * tree-ssa-operands.c (get_expr_operands): Adjust variables
 777         offset and size to be unsigned HOST_WIDE_INT.
 778         (add_to_addressable_set): Rename from note_addressable.
 779         Set TREE_ADDRESSABLE as the variables are added to the set.
 780         Update all users.
 781         (add_stmt_operand): Do not try to micro-optimize unmodifiable
 782         operands into VUSEs when adding V_MAY_DEFs for members in an
 783         alias set.
 784         * tree-ssa-operands.h (add_to_addressable_set): Declare.
 785         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
 786         (struct variable_info): Add bitfield is_heap_var.
 787         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
 788         (new_var_info): Initialize is_heap_var.
 789         (get_constraint_for): Add HEAP variables to the symbol table.
 790         Mark them with is_heap_var.
 791         (update_alias_info): New.  Taken mostly from the old
 792         compute_points_to_and_addr_escape.
 793         (handle_ptr_arith): New.
 794         (find_func_aliases): Call update_alias_info.
 795         Call handle_ptr_info for tcc_binary expressions.
 796         Call mark_stmt_modified.
 797         (create_variable_info_for): If DECL has subvars, do not create
 798         variables for its subvars.  Always add all the fields.
 799         (set_uids_in_ptset): If the solution includes ANYOFFSET and
 800         SFTs, then add all the SFTs of the structure.
 801         If VI->DECL is an aggregate with subvariables, add the SFT at
 802         VI->OFFSET.
 803         (find_what_p_points_to): If VI is an artificial variable,
 804         translate to bitfields in SSA_NAME_PTR_INFO.
 805         If the solution is empty, set pi->pt_vars to NULL
 806         (init_base_vars): Create ANYOFFSET.
 807         (compute_points_to_sets): Rename from create_alias_vars.
 808         Make extern.
 809         (pass_build_pta): Remove.
 810         (delete_points_to_sets): Rename from delete_alias_vars.
 811         (pass_del_pta): Remove.
 812         * tree-ssa-structalias.h (struct alias_info): Move from
 813         tree-ssa-alias.h.
 814         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
 815         NUM_REFERENCES_SET): Likewise.
 816         (compute_points_to_sets, delete_points_to_sets): Declare.
 817
 818 2005-07-09  Richard Henderson  <rth@redhat.com>
 819
 820         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
 821         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
 822         alpha_split_lock_test_and_set_12): New functions.
 823         * config/alpha/alpha-protos.h: Update.
 824         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
 825         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
 826         * config/alpha/sync.md (I12MODE): New.
 827         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
 828         (sync_<fetchop_name><I48MODE>): Likewise.
 829         (sync_nand<I48MODE>): Likewise.
 830         (sync_old_<fetchop_name><I48MODE>): Likewise.
 831         (sync_new_<fetchop_name><I48MODE>): Likewise.
 832         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
 833         (sync_compare_and_swap<I48MODE>): Likewise.
 834         (sync_lock_test_and_set<I48MODE>): Likewise.
 835         (sync_compare_and_swap<I12MODE>): New.
 836         (sync_compare_and_swap<I12MODE>_1): New.
 837         (sync_lock_test_and_set<I12MODE>): New.
 838         (sync_lock_test_and_set<I12MODE>_1): New.
 839
 840 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
 841
 842         PR 21356
 843         PR 22332
 844         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
 845
 846 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
 847
 848         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
 849         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
 850
 851 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
 852
 853         PR target/21656
 854         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
 855
 856 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
 857
 858         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
 859         memory_operand constraint.
 860         (store_conditional_<mode>): Same.
 861         (sync_compare_and_swap<mode>): Same.
 862         (sync_lock_test_and_set<mode>): Same.
 863
 864 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
 865
 866         Rewrite PIC support to more closely model actual instructions.
 867         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
 868         (cris_symbol): Remove prototypes for removed functions.
 869         (cris_pic_symbol_type_of, cris_valid_pic_const)
 870         (cris_expand_pic_call_address): Prototypes for new functions.
 871         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
 872         variable.
 873         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
 874         modifiers.
 875         <case ':'>: Add case for new punctuation character.
 876         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
 877         emitting (extra) PIC modifier.
 878         <case UNSPEC>: Do not assert for PLT.
 879         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
 880         (cris_expand_prologue, cris_expand_epilogue): Check
 881         for pic_offset_table_rtx usage instead of taking
 882         current_function_uses_pic_offset_table as the final word.
 883         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
 884         Remove flag_pic difference.
 885         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
 886         the moral equivalents of...
 887         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
 888         functions.
 889         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
 890         (cris_handle_option): Mark ARG as unused.
 891         (cris_expand_pic_call_address): New worker function for "call",
 892         "call_value".
 893         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
 894         output PIC constructs here.
 895         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
 896         as symbol-specific modifers, not whole or part of operands.
 897         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
 898         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
 899         constants and flag_pic.
 900         (CONSTANT_INDEX_P): Adjust for new functions.
 901         (enum cris_pic_symbol_type): New helper type.
 902         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
 903         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
 904         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
 905         define_constants.
 906         ("movsi"): Emit actual instructions for GOT and relative access.
 907         ("*movsi_got_load"): New pattern to set up the register holding
 908         the GOT pointer.
 909         ("*movsi_internal"): Operand 1 is not a plain general_operand.
 910         Adjust FIXME for 'S'.
 911         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
 912         Use "movs" for -fpic cases.
 913         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
 914         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
 915         ("call", "call_value"): Just call cris_expand_pic_call_address for
 916         PIC addresses.
 917         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
 918         Remove special pattern.
 919         ("*expanded_call_side", "*expanded_call_value_side"): New
 920         patterns.
 921         (gotplt-to-plt, gotplt-to-plt-side-call)
 922         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
 923         peephole2:s.
 924         * config/cris/cris/predicates.md
 925         ("cris_general_operand_or_gotless_symbol"): Remove unused
 926         predicate.
 927         ("cris_general_operand_or_symbol"): Adjust for new functions.
 928
 929 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 930
 931         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
 932
 933 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
 934
 935         * Makefile.in (TREE_H): Add treestruct.def.
 936         (c-decl.o): Add pointer-set.h
 937         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
 938         visibility on regular DECL's.
 939         (merge_decls): Fix the copying of decl nodes of various types for
 940         the new structures.  Don't update RTL, section name, weak status,
 941         etc, on DECL's without RTL.
 942         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
 943         Don't check volatile on non-variable types.
 944         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
 945         to check whether we have seen arguments.
 946         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
 947         flag is checked before field (flag is common, field is not).
 948         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
 949         TS_DECL_COMMON could have an origin.
 950         (add_location_or_const_value_attribute): Don't check section name
 951         on non-var/function decls.
 952         (dwarf2out_var_location): Reverse order of tests.
 953         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
 954         with DECL_WRTL_CHECK.
 955         * expmed.c (make_tree): rtl is now in decl_with_rtl.
 956         * fold-const.c (fold_binary): Don't check weakness on
 957         non-var/function decls.
 958         (tree_expr_nonzero_p): Ditto.
 959         (fold_checksum_tree): Use tree_decl_extra as sizeof
 960         buffer.
 961         * ggc-page.c (extra_order_size_table): Add sizes for
 962         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
 963         tree_field_decl.
 964         * gimplify.c (gimplify_bind_expr): Only set
 965         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
 966         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
 967         without RTL.
 968         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
 969         * langhooks.h (init_ts). New langhook.
 970         * passes.c (rest_of_decl_compilation): Reverse order of tests.
 971         * print-tree.c (print_node): Update to only print fields that
 972         exist in the structures the passed decl has.
 973         * toplev.c (wrapup_global_declarations): Don't reset
 974         DECL_DEFER_OUTPUT on DECL's that don't contain it.
 975         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
 976         * tree-inline.c (remap_decl): Ditto.
 977         * tree-outof-ssa.c (create_temp): Reverse order of tests.
 978         * tree-pretty-print.c (print_declaration): Don't print
 979         DECL_REGISTER on things that don't contain it.
 980         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
 981         non-var/function decls.
 982         * tree.c (tree_contains_struct): New structure.
 983         (init_priority_for_decl): New hashtable.
 984         (tree_int_map): New structure.
 985         (tree_int_map_eq): New function.
 986         (tree_int_map_marked_p): Ditto.
 987         (tree_int_map_hash): Ditto.
 988         (tree_map): Move to tree.h.
 989         (tree_map_eq): Externalize.
 990         (tree_map_hash): Ditto.
 991         (tree_map_marked_p): Ditto.
 992         (init_ttree): Set up tree_contains_struct and call langhook.
 993         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
 994         (tree_code_size): Update for new structures.
 995         (tree_node_structure): Update for new structures.
 996         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
 997         without the field.
 998         (copy_node_stat):  Copy init priority.
 999         (build_decl_stat): Ditto for visibility.
1000         (ts_enum_names): New.
1001         (tree_contains_struct_check_failed): New function.
1002         (decl_init_priority_lookup): Ditto.
1003         (decl_init_priority_insert): Ditto.
1004         * treestruct.def: New file.
1005         * tree.h (CODE_CONTAINS_STRUCT): New macro.
1006         (CONTAINS_STRUCT_CHECK): Ditto.
1007         (tree_contains_struct_check_failed): New prototype.
1008         (DECL_CHECK): Removed.
1009         (DECL_MINIMAL_CHECK): New.
1010         (DECL_COMMON_CHECK): Ditto.
1011         (DECL_WRTL_CHECK): Ditto.
1012         (DECL_NON_COMMON_CHECK): Ditto.
1013         (DECL_WITH_VIS_CHECK): Ditto.
1014         (VAR_OR_FUNCTION_DECL_P): Ditto
1015         (struct tree_decl_minimal): New structure.
1016         (struct tree_decl_common): Ditto.
1017         (struct tree_decl_with_rtl): Ditto.
1018         (struct tree_decl_with_vis): Ditto.
1019         (struct tree_decl_non_common): Ditto.
1020         (struct tree_field_decl): Ditto.
1021         (struct tree_parm_decl): Ditto.
1022         (struct tree_var_decl): Ditto.
1023         (struct tree_function_decl): Ditto.
1024         (struct tree_const_decl): Ditto.
1025         (struct tree_result_decl): Ditto.
1026         (union tree_node): Add new structures.
1027         * var-tracking.c (track_expr_p): Reverse order of tests.
1028
1029         * doc/c-tree.texi: Add documentation on DECL node internal structure.
1030
1031 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1032
1033         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1034         * system.h: Poison FINALIZE_PIC.
1035         * doc/tm.texi (FINALIZE_PIC): Remove.
1036
1037 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1038
1039         PR tree-opt/22329
1040         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1041         to the correct type if we have a MODIFY_EXPR.
1042
1043 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1044
1045         PR tree-optimization/22360
1046         * tree.c (upper_bound_in_type): Fix calculations for casting
1047         to a non-wider signed type and casting a signed value to a
1048         wider unsigned type.
1049         (lower_bound_in_type): Fix calculations for casting to a
1050         non-wider signed type.
1051
1052         PR tree-optimization/20139
1053         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1054         release_defs.
1055         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1056         fold_cond_expr_cond.
1057         * tree-ssanames.c (release_defs): Assert in_ssa_p.
1058         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1059
1060 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1061
1062         PR tree-opt/22356
1063         * tree-complex.c (expand_complex_libcall): Produce
1064         REALPART_EXPR/IMAGPART_EXPR with the correct type.
1065
1066 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
1067
1068         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1069         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1070         b" assert and inserted fastpath code for this case.
1071         (bitmap_ior): Removed "a != b" assert.
1072
1073 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1074
1075         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1076         (ENDFILE_SPEC): Likewise.
1077         * config/m32r/m32r.h (ASM_SPEC): Likewise.
1078
1079         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1080         a large stack frame at epilogue.
1081
1082 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
1083
1084         * final.c: Include sdbout.h when required.
1085
1086 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
1087
1088         * config.gcc (*-*-darwin*): Only one target-specific header file
1089         for generic darwin.
1090         (powerpc-*-darwin*): Add version-specific header files.
1091         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1092         * config.in: Regenerate.
1093         * configure: Regenerate.
1094         * gcc.c: Include xregex.h.
1095         (version_compare_spec_function): New.
1096         (spec_function): Add version-compare.
1097         (replace_outfile_spec_function): Reformat comment.
1098         (compare_version_strings): New.
1099         * config/darwin-c.c (version_as_macro): New.
1100         (builtin_define): New.
1101         (darwin_cpp_builtins): New.
1102         * config/darwin-protos.h (darwin_cpp_builtins): New.
1103         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
1104         (LIB_SPEC): Make unconditional, update comment.
1105         (TARGET_C99_FUNCTIONS): Define.
1106         * config/darwin.opt: Sort.
1107         (mmacosx-version-min=): New.
1108         * config/darwin7.h: Delete.
1109         * config/darwin8.h: Delete.
1110         * config/i386/darwin.h (): Call darwin_cpp_builtins.
1111         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
1112         (TARGET_C99_FUNCTIONS): Define.
1113         * config/rs6000/darwin7.h: New.
1114         * config/rs6000/darwin8.h: New.
1115         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1116         (-mmacosx-version-min): Document.
1117
1118 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1119
1120         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1121
1122 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1123
1124         PR middle-end/22239
1125         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1126
1127 2005-07-07  Khem Raj  <kraj@mvista.com>
1128
1129         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1130         in bytes, not words.
1131
1132 2005-07-07  Paul Brook  <paul@codesourcery.com>
1133
1134         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1135         DEFAULT_FUNCTION_ARG_PADDING to upward.
1136
1137 2005-07-07  Richard Henderson  <rth@redhat.com>
1138
1139         * function.c (locate_and_pad_parm): Record parameter alignment in
1140         stack_alignment_needed.
1141
1142 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1143
1144         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1145         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1146         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1147         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1148         (define_attr "type"): Add isync, sync, load_l, store_c.
1149         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1150         Create scratch volatile MEM.
1151         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1152         sync.
1153         (load_locked_<mode>): New.
1154         (store_conditional_<mode>): New.
1155         (sync_compare_and_swap<mode>): Replace with splitter.
1156         (sync_lock_test_and_set<mode>): Replace with splitter.
1157         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1158         and UNSPECV_ISYNC.
1159         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1160         is ics.  Attribute isync.
1161         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1162         lwsync.
1163         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1164         and UNSPECV_SYNC_OP.
1165         (emit_unlikely_jump): New.
1166         (emit_load_locked): New.
1167         (emit_store_conditional): New.
1168         (rs6000_split_compare_and_swap): New.
1169         (rs6000_split_lock_test_and_set): New.
1170         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1171         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1172         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1173         rs6000_split_lock_test_and_set): Declare.
1174         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1175         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1176         store_c, isync, sync.
1177
1178 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1179
1180         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1181         filenames to gtyp-gen.h.
1182         (s-typ-gen): Use it in place of for loops.
1183
1184 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1185
1186         * hooks.c (hook_bool_rtx_int_false): New function.
1187         * hooks.h (hook_bool_rtx_int_false): Declare.
1188         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1189         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1190         * target.h (struct gcc_target): Add commutative_p member.
1191         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1192         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1193         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1194         (pa_commutative_p): New function.
1195         * jump.c (target.h): Include.
1196         (rtx_renumbered_equal_p): Use targetm.commutative_p.
1197         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
1198
1199 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1200
1201         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
1202         (s390_expand_setmem): New.
1203         * config/s390/s390.c: Likewise.
1204         (print_shift_count_operand): Truncate to 12 bits instead of 6.
1205         Adapt comments.
1206         * config/s390/s390.md: ("setmem<mode>"): Accept character as
1207         general_operand.  Call new function "s390_expand_setmem".
1208         ("clrmem_long", "*clrmem_long"): Rewrite to ...
1209         ("setmem_long", "*setmem_long"): ... this.
1210
1211 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1212
1213         * config/s390/s390.c: (optimization_options): Enable
1214         TARGET_MVCLE at -Os.
1215         * doc/invoke.texi: Document changes in default behaviour.
1216         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
1217
1218 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1219
1220         * expr.c: (set_storage_via_setmem): Convert opchar to mode
1221         defined by back-end.
1222
1223 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
1224
1225         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1226         all sets in the pattern.
1227         * config/rs6000/rs6000.md (stack_protect_testsi,
1228         stack_protect_testdi): Likewise.
1229
1230 2005-07-06  Jeff Law  <law@redhat.com>
1231
1232         * tree-vrp.c (simplify_using_ranges): Kill.
1233         (vrp_finalize): Remove call to simplify_using_ranges.
1234         (simplify_stmt_using_ranges): New function extracted from
1235         simplify_using_ranges.
1236         (simplify_div_or_mod_using_ranges): Likewise.
1237         (simplify_abs_using_ranges): Likewise.
1238         (simplify_cond_using_ranges): New function.
1239         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
1240         * tree-ssa-propagate.c (substitute_and_fold): Call
1241         simplify_stmt_using_ranges if we have range information.
1242
1243 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
1244
1245         * config/ia64/ia64.c (ia64_reorg): Check optimize before
1246         ia64_flag_schedule_isns2.
1247
1248         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
1249         reading/writing general registers.
1250         (ia64_function_arg): Revert 2005-06-18 change.
1251
1252 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1253
1254         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
1255         (legitimize_tls_address): Use gcc_unreachable instead of abort.
1256
1257 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
1258
1259         * function.c (expand_function_end): Revert part of 2005-06-27
1260         patch.  Do sjlj_emit_function_exit_after after return_label.
1261
1262 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1263
1264         * doc/install.texi (--disable-libssp): New.
1265
1266 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
1267
1268         * doc/invoke.texi: Update -fforce-mem documentation.
1269         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
1270         code for -fforce-mem.
1271         * expmed.c: (store_bit_field,store_fixed_bit_field,
1272         extract_bit_field): Ditto.
1273         * expr.c: (convert_move): Ditto.
1274         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
1275         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
1276         emit_conditional_add,expand_float,expand_fix): Ditto.
1277         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
1278         (common_handle_option): Issue warning when -fforce-mem specified.
1279
1280 2005-07-06  Paul Brook  <paul@codesourcery.com>
1281
1282         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
1283         argument is empty.
1284         * configure: Regenerate.
1285
1286 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
1287
1288         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
1289
1290 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
1291
1292         Fix PR tree-optimization/22319
1293         Fix PR tree-optimization/22140
1294         Fix PR tree-optimization/22310
1295
1296         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
1297         variable sized types.
1298         Use correct type for intermediate structure on *a = *b structure
1299         copies.
1300
1301 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1302
1303         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
1304         Remove.
1305         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
1306         (machine_function): Move typedef to...
1307         * config/rs6000/rs6000.c (machine_function): ... here.  Add
1308         varargs_save_offset field.
1309         (rs6000_stack_t): Remove varargs_size field.
1310         (setup_incoming_varargs): Allocate varargs save area using
1311         assign_stack_local, try to make it as small as possible.
1312         Save offset from virtual_stack_vars_rtx to the save area
1313         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
1314         instead of magic 8 when fp word byte size is used.
1315         (rs6000_va_start): Use cfun->machine->varargs_save_offset
1316         instead of -RS6000_VARARGS_SIZE.
1317         (rs6000_stack_info, debug_stack_info,
1318         rs6000_initial_elimination_offset): Remove all traces of
1319         varargs_size.
1320         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
1321         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
1322         RS6000_VARARGS_AREA.
1323
1324 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
1325
1326         PR tree-optimization/21963
1327         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
1328         constant_multiple_of in the same way get_computation_cost_at does.
1329
1330 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1331
1332         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
1333         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
1334         (gen_compare_reg): If sparc_compare_emitted is set, clear it
1335         and return its previous value.
1336         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
1337         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
1338         constants.
1339         (stack_protect_set, stack_protect_test): New expanders.
1340         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
1341         stack_protect_testdi): New insns.
1342         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1343         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
1344
1345 2005-07-06  Jeff Law  <law@redhat.com>
1346
1347         * tree-ssa-dce.c (cfg_altered): New global.
1348         (tree_dce_init): Initialize cfg_altered.
1349         (remove_dead_stmt): If we remove an edge in the CFG, then set
1350         CFG_ALTERED.
1351         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
1352         the dominators.
1353
1354 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1355
1356         * Makefile.in (stamp-collect-ld): Use
1357         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
1358         ./collect-ld if it already exists.
1359         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
1360         Don't remove ./nm if it already exists.
1361
1362 2005-07-05  Devang Patel  <dpatel@apple.com>
1363
1364         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
1365         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
1366         * tree-vectorizer.c (vect_loop_location): New.
1367         (vect_print_dump_info): Use vect_loop_location.
1368         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
1369         (vectorize_loops): Set vect_loop_location.
1370         * tree-vect-analyze.c (vect_analyze_offset_expr,
1371         vect_determin_vectorization_factor, vect_analyze_operations,
1372         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
1373         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
1374         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
1375         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
1376         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
1377         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
1378         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
1379         vect_analyze_loop): Adjust vect_print_dump_info API.
1380         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1381         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
1382         vect_finish_stmt_generation, vectorizable_assignment,
1383         vectorizable_operation, vectorizable_store, vectorizable_load,
1384         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
1385         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1386         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
1387         vect_transform_loop): Same.
1388         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
1389         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
1390         Same.
1391
1392 2005-07-05  Randolph Chung  <tausq@debian.org>
1393
1394         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
1395         * configure: Regenerate.
1396         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
1397         (pa_tls_referenced_p): Declare.
1398         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
1399         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
1400         (legitimize_tls_address): New.
1401         (hppa_legitimize_address): Handle TLS addresses.
1402         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
1403         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1404         (emit_move_sequence): Handle TLS addresses.
1405         (pa_encode_section_info): Call default handler to handle common
1406         sections.
1407         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
1408         (CONSTANT_ADDRESS_P): Reject TLS operands.
1409         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
1410         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
1411         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
1412         (UNSPEC_TLSLE): Define new constants.
1413         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
1414         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
1415         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
1416         (tie_symbolic_operand, tle_symbolic_operand): New
1417
1418 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
1419
1420         * aclocal.m4: Update macros for autoconf 2.59 style.
1421         * configure.ac: Likewise.
1422
1423 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1424
1425         * pa.c (function_value): Handle small aggregates on 32-bit targets.
1426         (function_arg): Pass small aggregates in general registers on 32-bit
1427         targets.
1428         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
1429
1430 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
1431
1432         * Makefile.in (final.o): Fix dependencies.
1433
1434 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1435
1436         PR c/22013
1437         PR c/22098
1438         * langhooks.h (struct lang_hooks): Add expr_to_decl.
1439         * langhooks.c (lhd_expr_to_decl): New.
1440         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
1441         New.
1442         (LANG_HOOKS_INITIALIZER): Update.
1443         * tree.c (recompute_tree_invarant_for_addr_expr): Call
1444         expr_to_decl langhook.
1445         * c-tree.h (c_expr_to_decl): Declare.
1446         * c-typeck.c (c_expr_to_decl): New.
1447         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
1448         specially.
1449         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
1450
1451 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1452
1453         PR c/22308
1454         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
1455         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
1456
1457 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
1458
1459         * Makefile.in: Adjust dependencies.
1460         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
1461         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
1462         * alias.c (rest_of_handle_cfg, pass_cfg): New.
1463         * bb-reorder.c (duplicate_computed_gotos): Make it static.
1464         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
1465         rest_of_compilation.
1466
1467         * bb-reorder.c (gate_duplicate_computed_gotos,
1468         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
1469         rest_of_handle_reorder_blocks, pass_reorder_blocks,
1470         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
1471         pass_partition_blocks): New.
1472         * bt-load.c (gate_handle_branch_target_load_optimize,
1473         rest_of_handle_branch_target_load_optimize,
1474         pass_branch_target_load_optimize): New.
1475         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
1476         pass_jump2): New.
1477         * cfglayout.c (pass_insn_locators_initialize): New.
1478         * cfgrtl.c (pass_free_cfg): New.
1479         * combine.c (gate_handle_combine, rest_of_handle_combine,
1480         pass_combine): New.
1481         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
1482         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
1483         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
1484         * except.c (pass_set_nothrow_function_flags,
1485         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
1486         pass_rtl_eh): New.
1487         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
1488         rest_of_handle_shorten_branches, pass_shorten_branches,
1489         rest_of_clean_state, pass_clean_state): New.
1490         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
1491         rest_of_handle_remove_death_notes, pass_remove_death_notes,
1492         rest_of_handle_life, pass_life, rest_of_handle_flow2,
1493         pass_flow2): New.
1494         * function.c (pass_instantiate_virtual_regs, pass_init_function,
1495         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
1496         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1497         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
1498         pass_gcse): New.
1499         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
1500         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
1501         pass_rtl_ifcvt, gate_handle_if_after_combine,
1502         rest_of_handle_if_after_combine, pass_if_after_combine,
1503         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
1504         pass_if_after_reload): New.
1505         * integrate.c (pass_initial_value_sets): New.
1506         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
1507         pass_purge_lineno_notes): New.
1508         * mode-switching.c (rest_of_handle_mode_switching,
1509         pass_mode_switching): New.
1510         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
1511         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
1512         pass_loop2): New.
1513         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
1514         pass_loop_optimize): New.
1515         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
1516         pass_sms): New.
1517         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
1518         pass_gcse2): New.
1519         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
1520         pass_postreload_cse): New.
1521         * profile.c (gate_handle_profiling, pass_profiling,
1522         rest_of_handle_branch_prob, pass_branch_prob): New.
1523         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
1524         pass_split_before_regstack, gate_handle_split_before_regstack,
1525         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
1526         rest_of_handle_split_all_insns, pass_split_all_insns): New.
1527         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
1528         pass_stack_regs): New.
1529         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
1530         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
1531         pass_stack_adjustments): New.
1532         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
1533         pass_regrename): New.
1534         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
1535         pass_delay_slots, gate_handle_machine_reorg,
1536         rest_of_handle_machine_reorg, pass_machine_reorg): New.
1537         * rtl.h (extern void purge_line_number_notes): New.
1538         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
1539         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
1540         pass_sched2): New.
1541         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
1542         pass_tracer): New.
1543         * value-prof.c (gate_handle_value_profile_transformations,
1544         rest_of_handle_value_profile_transformations,
1545         pass_value_profile_transformations): New.
1546         * var-tracking.c (gate_handle_var_tracking,
1547         pass_variable_tracking): New.
1548         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
1549
1550         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
1551         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
1552         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
1553         rest_of_handle_old_regalloc, rest_of_handle_regrename,
1554         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
1555         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
1556         rest_of_handle_gcse2, rest_of_handle_regmove,
1557         rest_of_handle_tracer, rest_of_handle_if_conversion,
1558         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
1559         rest_of_handle_web, rest_of_handle_branch_prob,
1560         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
1561         rest_of_handle_jump_bypass, rest_of_handle_combine,
1562         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1563         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1564         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
1565         rest_of_handle_mode_switching, rest_of_handle_jump,
1566         rest_of_handle_eh, rest_of_handle_stack_adjustments,
1567         rest_of_handle_flow2, rest_of_handle_jump2,
1568         rest_of_handle_peephole2, rest_of_handle_postreload,
1569         rest_of_handle_shorten_branches, rest_of_clean_state,
1570         rest_of_compilation): Remove.
1571
1572         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
1573         * passes.c (dump_flags, in_gimple_form, all_passes,
1574         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1575         register_dump_files, next_pass_1, last_verified, execute_todo,
1576         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
1577         from tree-optimize.c.
1578         (init_optimization_passes): Moved from tree-optimize.c,
1579         adding the RTL optimizations.
1580         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
1581         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
1582         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1583         register_dump_files, next_pass_1, last_verified, execute_todo,
1584         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
1585         init_tree_optimization_passes, ipa_passes): Delete.
1586         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
1587         the RTL dumps.
1588         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
1589         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
1590         from tree.h.
1591         (ipa_passes): Remove.
1592         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
1593         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
1594         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
1595         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
1596         (dump_info_p, dump_flag): Moved to tree-dump.h.
1597
1598         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
1599         cgraph.c, opts.c.
1600         * passes.c (finish_optimization_passes): Use dump_begin
1601         and dump_end, TDI_end.
1602         (gate_rest_of_compilation): New.
1603         (pass_rest_of_compilation): Use it.
1604         (gate_postreload, pass_postreload): New.
1605         * toplev.c (general_init): Rename init_tree_optimization_passes.
1606         * toplev.h (init_tree_optimization_passes): Rename to
1607         init_optimizations_passes.
1608         * tree-dump.c (dump_flag): Make static.
1609         (dump_files): Remove RTL dumps.
1610         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
1611         pass_cleanup_cfg, pass_free_cfg_annotations,
1612         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
1613         pass_init_datastructures, pass_fixup_cfg): Make non-static.
1614         * tree-pretty-print.c: Include tree-pass.h.
1615         * cgraph.c: Include tree-dump.h.
1616
1617 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
1618
1619         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
1620         Only fall back to saying it points to readonly memory if
1621         we can't do better.
1622
1623 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1624
1625         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
1626         * config/m32r/m32r.c (m32r_compute_frame_size,
1627         m32r_expand_prologue): Take current_function_profile into
1628         account whenever we reference
1629         current_function_uses_pic_offset_table.
1630         (m32r_finalize_pic): Remove.
1631         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
1632
1633 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
1634
1635         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
1636         instead of $<.  Don't remove ./as if it already exists.
1637
1638 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1639
1640         PR target/21723
1641         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
1642         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
1643         for complex modes when generating code for PA 1.0.
1644         (VALID_FP_MODE_P): New macro.
1645         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
1646         sets for all general and floating point modes.  Align wide floating
1647         point modes to even register boundaries to comply with architectural
1648         requirements.
1649         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
1650         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
1651         (VALID_FP_MODE_P): New macro.
1652         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
1653         sets for all general and floating point modes.  Align wide floating
1654         point modes to even register boundaries to comply with architectural
1655         requirements.
1656
1657 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1658
1659         * tree-dump.c (dump_files): Initialize dump number for .cgraph
1660         to 0.
1661
1662 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1663
1664         * tree-ssa-structalias.c: Don't include expr.h.
1665
1666 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1667
1668         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
1669         comments.
1670
1671 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
1672
1673         Fix PR tree-optimization/22279
1674
1675         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
1676         correct operator.
1677
1678 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
1679
1680         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
1681
1682 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1683
1684         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
1685         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
1686         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
1687         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
1688         config/stormy16/stormy16.c, config/v850/v850.c,
1689         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
1690         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
1691         Avoid "." or "\n" at end of diagnostics and capital letters at
1692         start of diagnostics.
1693         * combine.c, cse.c: Don't translate dump file output.
1694         * toplev.c (print_version): Only translate output if going to
1695         stderr.
1696
1697 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1698
1699         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
1700         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
1701         typos.
1702
1703 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1704
1705         * pa.c (fix_range): Fix typo in comment.
1706
1707 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1708
1709         * tree-vrp.c (extract_range_from_assert): Replace
1710         fold (build (...)) with fold_build2.
1711
1712 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1713
1714         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
1715         gcc_gfc_char_table, init_dynamic_gfc_info): New.
1716         (format_types_orig, handle_format_attribute): Add support for
1717         format "gcc_gfc".
1718
1719 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1720
1721         * varasm.c (assemble_variable): Fix format specifier thinko.
1722
1723 2005-07-03  Ira Rosen  <irar@il.ibm.com>
1724
1725         PR tree-optimization/22029 (and 22135)
1726         * tree-pretty-print.c (dump_generic_node): Check that the node is not
1727         a phi node before calling dump_vops.
1728
1729 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1730
1731         * tree-dump.h (dump_string_field): Declare.
1732         * tree-dump.c: Use it instead of dump_string.
1733         (dump_string_field): Make non-static.
1734
1735 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1736
1737         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
1738         up the minimal CFG stuff always when optimize > 0.  Call
1739         split_all_insns_noflow in PIC case if needed.
1740
1741 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1742             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
1743
1744         PR c++/18279
1745         * c-decl.c (c_write_global_declarations): Dump contents of
1746         external scope to.
1747         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
1748         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
1749         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
1750         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
1751         is enabled.
1752
1753 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1754
1755         * c-common.h (GCC_DIAG_STYLE): Define.
1756         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
1757         version for format checking to 4.1.
1758         * c-format.c: Include toplev.h after c-common.h.
1759         (enum format_type): Add gcc_tdiag_format_type.
1760         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
1761         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
1762         (format_types_orig): Add gcc_tdiag.
1763         (init_dynamic_diag_info): Support gcc_tdiag formats.
1764         (handle_format_attribute): Likewise.
1765         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
1766         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
1767         version for format checking to 4.1.
1768         (warning0, warning, error, pedwarn, sorry): Use
1769         ATTRIBUTE_GCC_DIAG.
1770         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
1771         (finish_aliases_1): Do not use %qE.
1772         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
1773         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
1774         Correct format bugs.
1775         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
1776         parameter to unsigned HOST_WIDE_INT.
1777         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
1778
1779 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
1780
1781         PR middle-end/21742
1782         * expr.c (write_complex_part): Use adjust_address for MEM.
1783         (read_complex_part): Same.
1784
1785 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
1786
1787         Fix PR tree-optimization/22280
1788
1789         * tree-sra.c (generate_element_init): Remove useless loop.
1790
1791 2005-07-02  Richard Henderson  <rth@redhat.com>
1792
1793         * config/alpha/alpha.c (alpha_legitimize_address): Check for
1794         TLS_MODEL_NONE.
1795         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
1796
1797 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
1798
1799         PR middle-end/14490
1800         * fold-const.c (fold_binary): Handle the return value of
1801         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
1802         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
1803
1804 2005-07-02  Jeff Law  <law@redhat.com>
1805
1806         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
1807         a eliminate type conversion which feeds an equality comparison
1808         if the original type or either operand in the comparison is a
1809         function pointer.
1810
1811 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
1812
1813         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
1814         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
1815         texts.
1816         * config/avr/avr.c: Do not use '`' as left quote.
1817         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
1818         Remove "." from end of diagnostics.  Make diagnostics start with
1819         lowercase letter.
1820
1821 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
1822             Joseph S. Myers  <joseph@codesourcery.com>
1823
1824         * toplev.c (default_tree_printer): Handle setting location with
1825         '+' flag.
1826         * c-objc.common.c (c_tree_printer): Likewise.
1827         * c-format.c (gcc_diag_flag_specs): Add '+'.
1828         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
1829         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
1830         formats.
1831         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
1832         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
1833         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
1834         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
1835         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
1836         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
1837         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
1838         format arguments where %J is used without %D.
1839
1840 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
1841
1842         * gcc.c (LINK_SSP_SPEC): Define.
1843         (link_ssp_spec): New variable.
1844         (LINK_COMMAND_SPEC): Add %(link_ssp).
1845         (static_specs): Add link_ssp_spec.
1846         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
1847         * configure: Rebuilt.
1848         * config.in: Rebuilt.
1849
1850         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1851         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1852         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1853         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1854         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
1855         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
1856         -0x7008(2) instead of reading __stack_chk_guard variable.
1857         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
1858         number.
1859         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
1860         (stack_protect_set, stack_protect_test): Use *_tls* patterns
1861         if TARGET_THREAD_SSP_OFFSET is defined.
1862         (stack_tls_protect_set_si, stack_tls_protect_set_di,
1863         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
1864
1865         Revert:
1866         2005-06-27  Richard Henderson  <rth@redhat.com>
1867         * libgcc-std.ver (GCC_4.1.0): New.
1868         * libgcc.h (__stack_chk_guard): Declare.
1869         (__stack_chk_fail, __stack_chk_fail_local): Declare.
1870         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
1871         * mklibgcc.in (lib2funcs): Add them.
1872
1873 2005-07-01  Richard Henderson  <rth@redhat.com>
1874
1875         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
1876         void * before struct sigcontext *.
1877         (x86_fallback_frame_state): Likewise.
1878
1879 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
1880
1881         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
1882
1883 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1884
1885         PR tree-opt/22269
1886         * tree-ssa-reassoc.c (should_transpose): Fix which operand
1887         we check for SSA_NAME for.
1888
1889 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
1890
1891         Fix PR tree-optimization/22071
1892
1893         * tree-ssa-structalias.c (offset_overlaps_with_access): New
1894         function.
1895         (get_constraint_for_component_ref): Use it.
1896
1897 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1898
1899         PR other/22264
1900         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
1901         print out the last new line.
1902
1903 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
1904
1905         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
1906         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
1907         * config/cris/cris.c (cris_conditional_register_usage): Adjust
1908         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
1909         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
1910         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
1911         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
1912         (enum reg_class): New member CC0_REGS.
1913         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
1914         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
1915         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
1916         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
1917         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1918         Adjust for register now described.
1919
1920 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
1921
1922         PR target/22262
1923         * config/i386/i386.md (stack_protect_test_si,
1924         stack_protect_test_di): Add earlyclobber for scratch 3.
1925         * config/rs6000/rs6000.md (stack_protect_testsi,
1926         stack_protect_testdi): Add earlyclobber for scratch 3,
1927         remove earlyclobber from scratch 4.
1928
1929 Older entries for 2005 can be found in ChangeLog-2005.