gcc/ChangeLog

   1 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
   2
   3         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
   4         (varmap): Heapify varmap.
   5         (constraints): Heapify constraints.
   6         (struct constraint_graph): Heapify succs and preds.
   7         (constraint_vec_find): Update for heapification.
   8         (constraint_set_union): Ditto.
   9         (insert_into_complex): Ditto.
  10         (constraint_edge_vec_find): Ditto.
  11         (erase_graph_self_edge): Ditto.
  12         (add_graph_edge): Ditto.
  13         (get_graph_weights): Ditto.
  14         (merge_graph_nodes): Ditto.
  15         (build_constraint_graph): Ditto.
  16         (topo_visit): Ditto.
  17         (solve_graph): Ditto.
  18         (create_variable_info_for): Ditto.
  19         (init_base_vars): Ditto.
  20         (delete_points_to_sets): Free graph, varmap, and complex constraints.
  21         (condese_varmap_nodes): Free complex vector.
  22         (clear_edges_for_node): Clear succs and preds vector.
  23
  24 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
  25
  26         * tree-ssa-structalias.c (update_alias_info): Change counting of
  27         references to not include vdefs.
  28
  29 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
  30
  31         * tree-ssa-alias.c (free_used_part_map): Add missing free.
  32         (up_insert): Ditto.
  33
  34 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  35
  36         * pa.c (pa_commutative_p): Make PLUS commutative when
  37         TARGET_NO_SPACE_REGS is true.
  38
  39 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
  40
  41         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
  42         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
  43         * tree-dfa.c (dump_subvars_for): New.
  44         (debug_subvars_for): New.
  45         (dump_variable): Show subvariables if VAR has them.
  46         * tree-flow-inline.h (get_subvar_at): New.
  47         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
  48         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
  49         Update all users.
  50         (struct subvar): Change fields offset and size to unsigned
  51         HOST_WIDE_INT.
  52         (dump_subvars_for): Declare.
  53         (debug_subvars_for): Declare.
  54         (get_subvar_at): Declare.
  55         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
  56         to unsigned HOST_WIDE_INT *.
  57         (overlap_subvar): Likewise.
  58         * tree-gimple.c (is_gimple_reg): Always return false for
  59         SFTs and memory tags.
  60         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
  61         Update all callers.
  62         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
  63         (compute_may_aliases): Call compute_points_to_sets.
  64         (collect_points_to_info_for): Remove.
  65         (compute_points_to_and_addr_escape): Remove.
  66         (delete_alias_info): Call delete_points_to_sets.
  67         (compute_flow_sensitive_aliasing): If the call to
  68         find_what_p_points_to returns false, call set_pt_anything.
  69         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
  70         (set_pt_anything): Clear pi->pt_vars.
  71         (set_pt_malloc): Remove.
  72         (merge_pointed_to_info): Remove.
  73         (add_pointed_to_expr): Remove.
  74         (add_pointed_to_var): Remove.
  75         (collect_points_to_info_r): Remove.
  76         (is_escape_site): Make extern.
  77         (create_sft): New.
  78         (create_overlap_variables_for): Call it.
  79         * tree-ssa-copy.c (merge_alias_info): Never merge
  80         flow-sensitive alias information.
  81         * tree-ssa-operands.c (get_expr_operands): Adjust variables
  82         offset and size to be unsigned HOST_WIDE_INT.
  83         (add_to_addressable_set): Rename from note_addressable.
  84         Set TREE_ADDRESSABLE as the variables are added to the set.
  85         Update all users.
  86         (add_stmt_operand): Do not try to micro-optimize unmodifiable
  87         operands into VUSEs when adding V_MAY_DEFs for members in an
  88         alias set.
  89         * tree-ssa-operands.h (add_to_addressable_set): Declare.
  90         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
  91         (struct variable_info): Add bitfield is_heap_var.
  92         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
  93         (new_var_info): Initialize is_heap_var.
  94         (get_constraint_for): Add HEAP variables to the symbol table.
  95         Mark them with is_heap_var.
  96         (update_alias_info): New.  Taken mostly from the old
  97         compute_points_to_and_addr_escape.
  98         (handle_ptr_arith): New.
  99         (find_func_aliases): Call update_alias_info.
 100         Call handle_ptr_info for tcc_binary expressions.
 101         Call mark_stmt_modified.
 102         (create_variable_info_for): If DECL has subvars, do not create
 103         variables for its subvars.  Always add all the fields.
 104         (set_uids_in_ptset): If the solution includes ANYOFFSET and
 105         SFTs, then add all the SFTs of the structure.
 106         If VI->DECL is an aggregate with subvariables, add the SFT at
 107         VI->OFFSET.
 108         (find_what_p_points_to): If VI is an artificial variable,
 109         translate to bitfields in SSA_NAME_PTR_INFO.
 110         If the solution is empty, set pi->pt_vars to NULL
 111         (init_base_vars): Create ANYOFFSET.
 112         (compute_points_to_sets): Rename from create_alias_vars.
 113         Make extern.
 114         (pass_build_pta): Remove.
 115         (delete_points_to_sets): Rename from delete_alias_vars.
 116         (pass_del_pta): Remove.
 117         * tree-ssa-structalias.h (struct alias_info): Move from
 118         tree-ssa-alias.h.
 119         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
 120         NUM_REFERENCES_SET): Likewise.
 121         (compute_points_to_sets, delete_points_to_sets): Declare.
 122
 123 2005-07-09  Richard Henderson  <rth@redhat.com>
 124
 125         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
 126         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
 127         alpha_split_lock_test_and_set_12): New functions.
 128         * config/alpha/alpha-protos.h: Update.
 129         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
 130         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
 131         * config/alpha/sync.md (I12MODE): New.
 132         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
 133         (sync_<fetchop_name><I48MODE>): Likewise.
 134         (sync_nand<I48MODE>): Likewise.
 135         (sync_old_<fetchop_name><I48MODE>): Likewise.
 136         (sync_new_<fetchop_name><I48MODE>): Likewise.
 137         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
 138         (sync_compare_and_swap<I48MODE>): Likewise.
 139         (sync_lock_test_and_set<I48MODE>): Likewise.
 140         (sync_compare_and_swap<I12MODE>): New.
 141         (sync_compare_and_swap<I12MODE>_1): New.
 142         (sync_lock_test_and_set<I12MODE>): New.
 143         (sync_lock_test_and_set<I12MODE>_1): New.
 144
 145 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
 146
 147         PR 21356
 148         PR 22332
 149         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
 150
 151 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
 152
 153         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
 154         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
 155
 156 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
 157
 158         PR target/21656
 159         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
 160
 161 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
 162
 163         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
 164         memory_operand constraint.
 165         (store_conditional_<mode>): Same.
 166         (sync_compare_and_swap<mode>): Same.
 167         (sync_lock_test_and_set<mode>): Same.
 168
 169 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
 170
 171         Rewrite PIC support to more closely model actual instructions.
 172         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
 173         (cris_symbol): Remove prototypes for removed functions.
 174         (cris_pic_symbol_type_of, cris_valid_pic_const)
 175         (cris_expand_pic_call_address): Prototypes for new functions.
 176         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
 177         variable.
 178         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
 179         modifiers.
 180         <case ':'>: Add case for new punctuation character.
 181         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
 182         emitting (extra) PIC modifier.
 183         <case UNSPEC>: Do not assert for PLT.
 184         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
 185         (cris_expand_prologue, cris_expand_epilogue): Check
 186         for pic_offset_table_rtx usage instead of taking
 187         current_function_uses_pic_offset_table as the final word.
 188         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
 189         Remove flag_pic difference.
 190         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
 191         the moral equivalents of...
 192         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
 193         functions.
 194         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
 195         (cris_handle_option): Mark ARG as unused.
 196         (cris_expand_pic_call_address): New worker function for "call",
 197         "call_value".
 198         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
 199         output PIC constructs here.
 200         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
 201         as symbol-specific modifers, not whole or part of operands.
 202         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
 203         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
 204         constants and flag_pic.
 205         (CONSTANT_INDEX_P): Adjust for new functions.
 206         (enum cris_pic_symbol_type): New helper type.
 207         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
 208         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
 209         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
 210         define_constants.
 211         ("movsi"): Emit actual instructions for GOT and relative access.
 212         ("*movsi_got_load"): New pattern to set up the register holding
 213         the GOT pointer.
 214         ("*movsi_internal"): Operand 1 is not a plain general_operand.
 215         Adjust FIXME for 'S'.
 216         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
 217         Use "movs" for -fpic cases.
 218         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
 219         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
 220         ("call", "call_value"): Just call cris_expand_pic_call_address for
 221         PIC addresses.
 222         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
 223         Remove special pattern.
 224         ("*expanded_call_side", "*expanded_call_value_side"): New
 225         patterns.
 226         (gotplt-to-plt, gotplt-to-plt-side-call)
 227         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
 228         peephole2:s.
 229         * config/cris/cris/predicates.md
 230         ("cris_general_operand_or_gotless_symbol"): Remove unused
 231         predicate.
 232         ("cris_general_operand_or_symbol"): Adjust for new functions.
 233
 234 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 235
 236         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
 237
 238 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
 239
 240         * Makefile.in (TREE_H): Add treestruct.def.
 241         (c-decl.o): Add pointer-set.h
 242         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
 243         visibility on regular DECL's.
 244         (merge_decls): Fix the copying of decl nodes of various types for
 245         the new structures.  Don't update RTL, section name, weak status,
 246         etc, on DECL's without RTL.
 247         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
 248         Don't check volatile on non-variable types.
 249         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
 250         to check whether we have seen arguments.
 251         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
 252         flag is checked before field (flag is common, field is not).
 253         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
 254         TS_DECL_COMMON could have an origin.
 255         (add_location_or_const_value_attribute): Don't check section name
 256         on non-var/function decls.
 257         (dwarf2out_var_location): Reverse order of tests.
 258         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
 259         with DECL_WRTL_CHECK.
 260         * expmed.c (make_tree): rtl is now in decl_with_rtl.
 261         * fold-const.c (fold_binary): Don't check weakness on
 262         non-var/function decls.
 263         (tree_expr_nonzero_p): Ditto.
 264         (fold_checksum_tree): Use tree_decl_extra as sizeof
 265         buffer.
 266         * ggc-page.c (extra_order_size_table): Add sizes for
 267         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
 268         tree_field_decl.
 269         * gimplify.c (gimplify_bind_expr): Only set
 270         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
 271         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
 272         without RTL.
 273         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
 274         * langhooks.h (init_ts). New langhook.
 275         * passes.c (rest_of_decl_compilation): Reverse order of tests.
 276         * print-tree.c (print_node): Update to only print fields that
 277         exist in the structures the passed decl has.
 278         * toplev.c (wrapup_global_declarations): Don't reset
 279         DECL_DEFER_OUTPUT on DECL's that don't contain it.
 280         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
 281         * tree-inline.c (remap_decl): Ditto.
 282         * tree-outof-ssa.c (create_temp): Reverse order of tests.
 283         * tree-pretty-print.c (print_declaration): Don't print
 284         DECL_REGISTER on things that don't contain it.
 285         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
 286         non-var/function decls.
 287         * tree.c (tree_contains_struct): New structure.
 288         (init_priority_for_decl): New hashtable.
 289         (tree_int_map): New structure.
 290         (tree_int_map_eq): New function.
 291         (tree_int_map_marked_p): Ditto.
 292         (tree_int_map_hash): Ditto.
 293         (tree_map): Move to tree.h.
 294         (tree_map_eq): Externalize.
 295         (tree_map_hash): Ditto.
 296         (tree_map_marked_p): Ditto.
 297         (init_ttree): Set up tree_contains_struct and call langhook.
 298         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
 299         (tree_code_size): Update for new structures.
 300         (tree_node_structure): Update for new structures.
 301         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
 302         without the field.
 303         (copy_node_stat):  Copy init priority.
 304         (build_decl_stat): Ditto for visibility.
 305         (ts_enum_names): New.
 306         (tree_contains_struct_check_failed): New function.
 307         (decl_init_priority_lookup): Ditto.
 308         (decl_init_priority_insert): Ditto.
 309         * treestruct.def: New file.
 310         * tree.h (CODE_CONTAINS_STRUCT): New macro.
 311         (CONTAINS_STRUCT_CHECK): Ditto.
 312         (tree_contains_struct_check_failed): New prototype.
 313         (DECL_CHECK): Removed.
 314         (DECL_MINIMAL_CHECK): New.
 315         (DECL_COMMON_CHECK): Ditto.
 316         (DECL_WRTL_CHECK): Ditto.
 317         (DECL_NON_COMMON_CHECK): Ditto.
 318         (DECL_WITH_VIS_CHECK): Ditto.
 319         (VAR_OR_FUNCTION_DECL_P): Ditto
 320         (struct tree_decl_minimal): New structure.
 321         (struct tree_decl_common): Ditto.
 322         (struct tree_decl_with_rtl): Ditto.
 323         (struct tree_decl_with_vis): Ditto.
 324         (struct tree_decl_non_common): Ditto.
 325         (struct tree_field_decl): Ditto.
 326         (struct tree_parm_decl): Ditto.
 327         (struct tree_var_decl): Ditto.
 328         (struct tree_function_decl): Ditto.
 329         (struct tree_const_decl): Ditto.
 330         (struct tree_result_decl): Ditto.
 331         (union tree_node): Add new structures.
 332         * var-tracking.c (track_expr_p): Reverse order of tests.
 333
 334         * doc/c-tree.texi: Add documentation on DECL node internal structure.
 335
 336 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
 337
 338         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
 339         * system.h: Poison FINALIZE_PIC.
 340         * doc/tm.texi (FINALIZE_PIC): Remove.
 341
 342 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 343
 344         PR tree-opt/22329
 345         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
 346         to the correct type if we have a MODIFY_EXPR.
 347
 348 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
 349
 350         PR tree-optimization/22360
 351         * tree.c (upper_bound_in_type): Fix calculations for casting
 352         to a non-wider signed type and casting a signed value to a
 353         wider unsigned type.
 354         (lower_bound_in_type): Fix calculations for casting to a
 355         non-wider signed type.
 356
 357         PR tree-optimization/20139
 358         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
 359         release_defs.
 360         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
 361         fold_cond_expr_cond.
 362         * tree-ssanames.c (release_defs): Assert in_ssa_p.
 363         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
 364
 365 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
 366
 367         PR tree-opt/22356
 368         * tree-complex.c (expand_complex_libcall): Produce
 369         REALPART_EXPR/IMAGPART_EXPR with the correct type.
 370
 371 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
 372
 373         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
 374         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
 375         b" assert and inserted fastpath code for this case.
 376         (bitmap_ior): Removed "a != b" assert.
 377
 378 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 379
 380         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
 381         (ENDFILE_SPEC): Likewise.
 382         * config/m32r/m32r.h (ASM_SPEC): Likewise.
 383
 384         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
 385         a large stack frame at epilogue.
 386
 387 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
 388
 389         * final.c: Include sdbout.h when required.
 390
 391 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
 392
 393         * config.gcc (*-*-darwin*): Only one target-specific header file
 394         for generic darwin.
 395         (powerpc-*-darwin*): Add version-specific header files.
 396         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
 397         * config.in: Regenerate.
 398         * configure: Regenerate.
 399         * gcc.c: Include xregex.h.
 400         (version_compare_spec_function): New.
 401         (spec_function): Add version-compare.
 402         (replace_outfile_spec_function): Reformat comment.
 403         (compare_version_strings): New.
 404         * config/darwin-c.c (version_as_macro): New.
 405         (builtin_define): New.
 406         (darwin_cpp_builtins): New.
 407         * config/darwin-protos.h (darwin_cpp_builtins): New.
 408         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
 409         (LIB_SPEC): Make unconditional, update comment.
 410         (TARGET_C99_FUNCTIONS): Define.
 411         * config/darwin.opt: Sort.
 412         (mmacosx-version-min=): New.
 413         * config/darwin7.h: Delete.
 414         * config/darwin8.h: Delete.
 415         * config/i386/darwin.h (): Call darwin_cpp_builtins.
 416         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
 417         (TARGET_C99_FUNCTIONS): Define.
 418         * config/rs6000/darwin7.h: New.
 419         * config/rs6000/darwin8.h: New.
 420         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
 421         (-mmacosx-version-min): Document.
 422
 423 2005-07-07  Ian Lance Taylor  <ian@airs.com>
 424
 425         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
 426
 427 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
 428
 429         PR middle-end/22239
 430         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
 431
 432 2005-07-07  Khem Raj  <kraj@mvista.com>
 433
 434         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
 435         in bytes, not words.
 436
 437 2005-07-07  Paul Brook  <paul@codesourcery.com>
 438
 439         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
 440         DEFAULT_FUNCTION_ARG_PADDING to upward.
 441
 442 2005-07-07  Richard Henderson  <rth@redhat.com>
 443
 444         * function.c (locate_and_pad_parm): Record parameter alignment in
 445         stack_alignment_needed.
 446
 447 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
 448
 449         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
 450         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
 451         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
 452         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
 453         (define_attr "type"): Add isync, sync, load_l, store_c.
 454         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
 455         Create scratch volatile MEM.
 456         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
 457         sync.
 458         (load_locked_<mode>): New.
 459         (store_conditional_<mode>): New.
 460         (sync_compare_and_swap<mode>): Replace with splitter.
 461         (sync_lock_test_and_set<mode>): Replace with splitter.
 462         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
 463         and UNSPECV_ISYNC.
 464         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
 465         is ics.  Attribute isync.
 466         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
 467         lwsync.
 468         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
 469         and UNSPECV_SYNC_OP.
 470         (emit_unlikely_jump): New.
 471         (emit_load_locked): New.
 472         (emit_store_conditional): New.
 473         (rs6000_split_compare_and_swap): New.
 474         (rs6000_split_lock_test_and_set): New.
 475         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
 476         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
 477         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
 478         rs6000_split_lock_test_and_set): Declare.
 479         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
 480         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
 481         store_c, isync, sync.
 482
 483 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
 484
 485         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
 486         filenames to gtyp-gen.h.
 487         (s-typ-gen): Use it in place of for loops.
 488
 489 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
 490
 491         * hooks.c (hook_bool_rtx_int_false): New function.
 492         * hooks.h (hook_bool_rtx_int_false): Declare.
 493         * target-def.h (TARGET_COMMUTATIVE_P): Define.
 494         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
 495         * target.h (struct gcc_target): Add commutative_p member.
 496         * targhooks.c (hook_bool_rtx_commutative_p): New function.
 497         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
 498         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
 499         (pa_commutative_p): New function.
 500         * jump.c (target.h): Include.
 501         (rtx_renumbered_equal_p): Use targetm.commutative_p.
 502         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
 503
 504 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
 505
 506         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
 507         (s390_expand_setmem): New.
 508         * config/s390/s390.c: Likewise.
 509         (print_shift_count_operand): Truncate to 12 bits instead of 6.
 510         Adapt comments.
 511         * config/s390/s390.md: ("setmem<mode>"): Accept character as
 512         general_operand.  Call new function "s390_expand_setmem".
 513         ("clrmem_long", "*clrmem_long"): Rewrite to ...
 514         ("setmem_long", "*setmem_long"): ... this.
 515
 516 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
 517
 518         * config/s390/s390.c: (optimization_options): Enable
 519         TARGET_MVCLE at -Os.
 520         * doc/invoke.texi: Document changes in default behaviour.
 521         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
 522
 523 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
 524
 525         * expr.c: (set_storage_via_setmem): Convert opchar to mode
 526         defined by back-end.
 527
 528 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
 529
 530         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
 531         all sets in the pattern.
 532         * config/rs6000/rs6000.md (stack_protect_testsi,
 533         stack_protect_testdi): Likewise.
 534
 535 2005-07-06  Jeff Law  <law@redhat.com>
 536
 537         * tree-vrp.c (simplify_using_ranges): Kill.
 538         (vrp_finalize): Remove call to simplify_using_ranges.
 539         (simplify_stmt_using_ranges): New function extracted from
 540         simplify_using_ranges.
 541         (simplify_div_or_mod_using_ranges): Likewise.
 542         (simplify_abs_using_ranges): Likewise.
 543         (simplify_cond_using_ranges): New function.
 544         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
 545         * tree-ssa-propagate.c (substitute_and_fold): Call
 546         simplify_stmt_using_ranges if we have range information.
 547
 548 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
 549
 550         * config/ia64/ia64.c (ia64_reorg): Check optimize before
 551         ia64_flag_schedule_isns2.
 552
 553         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
 554         reading/writing general registers.
 555         (ia64_function_arg): Revert 2005-06-18 change.
 556
 557 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
 558
 559         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
 560         (legitimize_tls_address): Use gcc_unreachable instead of abort.
 561
 562 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
 563
 564         * function.c (expand_function_end): Revert part of 2005-06-27
 565         patch.  Do sjlj_emit_function_exit_after after return_label.
 566
 567 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
 568
 569         * doc/install.texi (--disable-libssp): New.
 570
 571 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
 572
 573         * doc/invoke.texi: Update -fforce-mem documentation.
 574         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
 575         code for -fforce-mem.
 576         * expmed.c: (store_bit_field,store_fixed_bit_field,
 577         extract_bit_field): Ditto.
 578         * expr.c: (convert_move): Ditto.
 579         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
 580         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
 581         emit_conditional_add,expand_float,expand_fix): Ditto.
 582         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
 583         (common_handle_option): Issue warning when -fforce-mem specified.
 584
 585 2005-07-06  Paul Brook  <paul@codesourcery.com>
 586
 587         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
 588         argument is empty.
 589         * configure: Regenerate.
 590
 591 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
 592
 593         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
 594
 595 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
 596
 597         Fix PR tree-optimization/22319
 598         Fix PR tree-optimization/22140
 599         Fix PR tree-optimization/22310
 600
 601         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
 602         variable sized types.
 603         Use correct type for intermediate structure on *a = *b structure
 604         copies.
 605
 606 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
 607
 608         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
 609         Remove.
 610         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
 611         (machine_function): Move typedef to...
 612         * config/rs6000/rs6000.c (machine_function): ... here.  Add
 613         varargs_save_offset field.
 614         (rs6000_stack_t): Remove varargs_size field.
 615         (setup_incoming_varargs): Allocate varargs save area using
 616         assign_stack_local, try to make it as small as possible.
 617         Save offset from virtual_stack_vars_rtx to the save area
 618         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
 619         instead of magic 8 when fp word byte size is used.
 620         (rs6000_va_start): Use cfun->machine->varargs_save_offset
 621         instead of -RS6000_VARARGS_SIZE.
 622         (rs6000_stack_info, debug_stack_info,
 623         rs6000_initial_elimination_offset): Remove all traces of
 624         varargs_size.
 625         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
 626         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
 627         RS6000_VARARGS_AREA.
 628
 629 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
 630
 631         PR tree-optimization/21963
 632         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
 633         constant_multiple_of in the same way get_computation_cost_at does.
 634
 635 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
 636
 637         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
 638         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
 639         (gen_compare_reg): If sparc_compare_emitted is set, clear it
 640         and return its previous value.
 641         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
 642         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
 643         constants.
 644         (stack_protect_set, stack_protect_test): New expanders.
 645         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
 646         stack_protect_testdi): New insns.
 647         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
 648         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
 649
 650 2005-07-06  Jeff Law  <law@redhat.com>
 651
 652         * tree-ssa-dce.c (cfg_altered): New global.
 653         (tree_dce_init): Initialize cfg_altered.
 654         (remove_dead_stmt): If we remove an edge in the CFG, then set
 655         CFG_ALTERED.
 656         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
 657         the dominators.
 658
 659 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
 660
 661         * Makefile.in (stamp-collect-ld): Use
 662         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
 663         ./collect-ld if it already exists.
 664         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
 665         Don't remove ./nm if it already exists.
 666
 667 2005-07-05  Devang Patel  <dpatel@apple.com>
 668
 669         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
 670         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
 671         * tree-vectorizer.c (vect_loop_location): New.
 672         (vect_print_dump_info): Use vect_loop_location.
 673         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
 674         (vectorize_loops): Set vect_loop_location.
 675         * tree-vect-analyze.c (vect_analyze_offset_expr,
 676         vect_determin_vectorization_factor, vect_analyze_operations,
 677         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
 678         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
 679         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
 680         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
 681         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
 682         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
 683         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
 684         vect_analyze_loop): Adjust vect_print_dump_info API.
 685         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
 686         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
 687         vect_finish_stmt_generation, vectorizable_assignment,
 688         vectorizable_operation, vectorizable_store, vectorizable_load,
 689         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
 690         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
 691         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
 692         vect_transform_loop): Same.
 693         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
 694         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
 695         Same.
 696
 697 2005-07-05  Randolph Chung  <tausq@debian.org>
 698
 699         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
 700         * configure: Regenerate.
 701         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
 702         (pa_tls_referenced_p): Declare.
 703         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
 704         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
 705         (legitimize_tls_address): New.
 706         (hppa_legitimize_address): Handle TLS addresses.
 707         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
 708         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
 709         (emit_move_sequence): Handle TLS addresses.
 710         (pa_encode_section_info): Call default handler to handle common
 711         sections.
 712         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
 713         (CONSTANT_ADDRESS_P): Reject TLS operands.
 714         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
 715         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
 716         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
 717         (UNSPEC_TLSLE): Define new constants.
 718         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
 719         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
 720         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
 721         (tie_symbolic_operand, tle_symbolic_operand): New
 722
 723 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
 724
 725         * aclocal.m4: Update macros for autoconf 2.59 style.
 726         * configure.ac: Likewise.
 727
 728 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 729
 730         * pa.c (function_value): Handle small aggregates on 32-bit targets.
 731         (function_arg): Pass small aggregates in general registers on 32-bit
 732         targets.
 733         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
 734
 735 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
 736
 737         * Makefile.in (final.o): Fix dependencies.
 738
 739 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
 740
 741         PR c/22013
 742         PR c/22098
 743         * langhooks.h (struct lang_hooks): Add expr_to_decl.
 744         * langhooks.c (lhd_expr_to_decl): New.
 745         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
 746         New.
 747         (LANG_HOOKS_INITIALIZER): Update.
 748         * tree.c (recompute_tree_invarant_for_addr_expr): Call
 749         expr_to_decl langhook.
 750         * c-tree.h (c_expr_to_decl): Declare.
 751         * c-typeck.c (c_expr_to_decl): New.
 752         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
 753         specially.
 754         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
 755
 756 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
 757
 758         PR c/22308
 759         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
 760         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
 761
 762 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
 763
 764         * Makefile.in: Adjust dependencies.
 765         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
 766         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
 767         * alias.c (rest_of_handle_cfg, pass_cfg): New.
 768         * bb-reorder.c (duplicate_computed_gotos): Make it static.
 769         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
 770         rest_of_compilation.
 771
 772         * bb-reorder.c (gate_duplicate_computed_gotos,
 773         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
 774         rest_of_handle_reorder_blocks, pass_reorder_blocks,
 775         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
 776         pass_partition_blocks): New.
 777         * bt-load.c (gate_handle_branch_target_load_optimize,
 778         rest_of_handle_branch_target_load_optimize,
 779         pass_branch_target_load_optimize): New.
 780         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
 781         pass_jump2): New.
 782         * cfglayout.c (pass_insn_locators_initialize): New.
 783         * cfgrtl.c (pass_free_cfg): New.
 784         * combine.c (gate_handle_combine, rest_of_handle_combine,
 785         pass_combine): New.
 786         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
 787         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
 788         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
 789         * except.c (pass_set_nothrow_function_flags,
 790         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
 791         pass_rtl_eh): New.
 792         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
 793         rest_of_handle_shorten_branches, pass_shorten_branches,
 794         rest_of_clean_state, pass_clean_state): New.
 795         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
 796         rest_of_handle_remove_death_notes, pass_remove_death_notes,
 797         rest_of_handle_life, pass_life, rest_of_handle_flow2,
 798         pass_flow2): New.
 799         * function.c (pass_instantiate_virtual_regs, pass_init_function,
 800         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
 801         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
 802         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
 803         pass_gcse): New.
 804         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
 805         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
 806         pass_rtl_ifcvt, gate_handle_if_after_combine,
 807         rest_of_handle_if_after_combine, pass_if_after_combine,
 808         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
 809         pass_if_after_reload): New.
 810         * integrate.c (pass_initial_value_sets): New.
 811         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
 812         pass_purge_lineno_notes): New.
 813         * mode-switching.c (rest_of_handle_mode_switching,
 814         pass_mode_switching): New.
 815         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
 816         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
 817         pass_loop2): New.
 818         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
 819         pass_loop_optimize): New.
 820         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
 821         pass_sms): New.
 822         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
 823         pass_gcse2): New.
 824         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
 825         pass_postreload_cse): New.
 826         * profile.c (gate_handle_profiling, pass_profiling,
 827         rest_of_handle_branch_prob, pass_branch_prob): New.
 828         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
 829         pass_split_before_regstack, gate_handle_split_before_regstack,
 830         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
 831         rest_of_handle_split_all_insns, pass_split_all_insns): New.
 832         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
 833         pass_stack_regs): New.
 834         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
 835         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
 836         pass_stack_adjustments): New.
 837         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
 838         pass_regrename): New.
 839         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
 840         pass_delay_slots, gate_handle_machine_reorg,
 841         rest_of_handle_machine_reorg, pass_machine_reorg): New.
 842         * rtl.h (extern void purge_line_number_notes): New.
 843         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
 844         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
 845         pass_sched2): New.
 846         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
 847         pass_tracer): New.
 848         * value-prof.c (gate_handle_value_profile_transformations,
 849         rest_of_handle_value_profile_transformations,
 850         pass_value_profile_transformations): New.
 851         * var-tracking.c (gate_handle_var_tracking,
 852         pass_variable_tracking): New.
 853         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
 854
 855         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
 856         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
 857         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
 858         rest_of_handle_old_regalloc, rest_of_handle_regrename,
 859         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
 860         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
 861         rest_of_handle_gcse2, rest_of_handle_regmove,
 862         rest_of_handle_tracer, rest_of_handle_if_conversion,
 863         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
 864         rest_of_handle_web, rest_of_handle_branch_prob,
 865         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
 866         rest_of_handle_jump_bypass, rest_of_handle_combine,
 867         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
 868         rest_of_handle_gcse, rest_of_handle_loop_optimize,
 869         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
 870         rest_of_handle_mode_switching, rest_of_handle_jump,
 871         rest_of_handle_eh, rest_of_handle_stack_adjustments,
 872         rest_of_handle_flow2, rest_of_handle_jump2,
 873         rest_of_handle_peephole2, rest_of_handle_postreload,
 874         rest_of_handle_shorten_branches, rest_of_clean_state,
 875         rest_of_compilation): Remove.
 876
 877         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
 878         * passes.c (dump_flags, in_gimple_form, all_passes,
 879         all_ipa_passes, all_lowering_passes, register_one_dump_file,
 880         register_dump_files, next_pass_1, last_verified, execute_todo,
 881         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
 882         from tree-optimize.c.
 883         (init_optimization_passes): Moved from tree-optimize.c,
 884         adding the RTL optimizations.
 885         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
 886         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
 887         all_ipa_passes, all_lowering_passes, register_one_dump_file,
 888         register_dump_files, next_pass_1, last_verified, execute_todo,
 889         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
 890         init_tree_optimization_passes, ipa_passes): Delete.
 891         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
 892         the RTL dumps.
 893         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
 894         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
 895         from tree.h.
 896         (ipa_passes): Remove.
 897         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
 898         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
 899         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
 900         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
 901         (dump_info_p, dump_flag): Moved to tree-dump.h.
 902
 903         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
 904         cgraph.c, opts.c.
 905         * passes.c (finish_optimization_passes): Use dump_begin
 906         and dump_end, TDI_end.
 907         (gate_rest_of_compilation): New.
 908         (pass_rest_of_compilation): Use it.
 909         (gate_postreload, pass_postreload): New.
 910         * toplev.c (general_init): Rename init_tree_optimization_passes.
 911         * toplev.h (init_tree_optimization_passes): Rename to
 912         init_optimizations_passes.
 913         * tree-dump.c (dump_flag): Make static.
 914         (dump_files): Remove RTL dumps.
 915         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
 916         pass_cleanup_cfg, pass_free_cfg_annotations,
 917         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
 918         pass_init_datastructures, pass_fixup_cfg): Make non-static.
 919         * tree-pretty-print.c: Include tree-pass.h.
 920         * cgraph.c: Include tree-dump.h.
 921
 922 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
 923
 924         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
 925         Only fall back to saying it points to readonly memory if
 926         we can't do better.
 927
 928 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
 929
 930         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
 931         * config/m32r/m32r.c (m32r_compute_frame_size,
 932         m32r_expand_prologue): Take current_function_profile into
 933         account whenever we reference
 934         current_function_uses_pic_offset_table.
 935         (m32r_finalize_pic): Remove.
 936         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
 937
 938 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
 939
 940         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
 941         instead of $<.  Don't remove ./as if it already exists.
 942
 943 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 944
 945         PR target/21723
 946         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
 947         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
 948         for complex modes when generating code for PA 1.0.
 949         (VALID_FP_MODE_P): New macro.
 950         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
 951         sets for all general and floating point modes.  Align wide floating
 952         point modes to even register boundaries to comply with architectural
 953         requirements.
 954         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
 955         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
 956         (VALID_FP_MODE_P): New macro.
 957         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
 958         sets for all general and floating point modes.  Align wide floating
 959         point modes to even register boundaries to comply with architectural
 960         requirements.
 961
 962 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
 963
 964         * tree-dump.c (dump_files): Initialize dump number for .cgraph
 965         to 0.
 966
 967 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
 968
 969         * tree-ssa-structalias.c: Don't include expr.h.
 970
 971 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
 972
 973         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
 974         comments.
 975
 976 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
 977
 978         Fix PR tree-optimization/22279
 979
 980         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
 981         correct operator.
 982
 983 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
 984
 985         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
 986
 987 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
 988
 989         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
 990         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
 991         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
 992         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
 993         config/stormy16/stormy16.c, config/v850/v850.c,
 994         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
 995         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
 996         Avoid "." or "\n" at end of diagnostics and capital letters at
 997         start of diagnostics.
 998         * combine.c, cse.c: Don't translate dump file output.
 999         * toplev.c (print_version): Only translate output if going to
1000         stderr.
1001
1002 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1003
1004         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
1005         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
1006         typos.
1007
1008 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1009
1010         * pa.c (fix_range): Fix typo in comment.
1011
1012 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1013
1014         * tree-vrp.c (extract_range_from_assert): Replace
1015         fold (build (...)) with fold_build2.
1016
1017 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1018
1019         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
1020         gcc_gfc_char_table, init_dynamic_gfc_info): New.
1021         (format_types_orig, handle_format_attribute): Add support for
1022         format "gcc_gfc".
1023
1024 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1025
1026         * varasm.c (assemble_variable): Fix format specifier thinko.
1027
1028 2005-07-03  Ira Rosen  <irar@il.ibm.com>
1029
1030         PR tree-optimization/22029 (and 22135)
1031         * tree-pretty-print.c (dump_generic_node): Check that the node is not
1032         a phi node before calling dump_vops.
1033
1034 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1035
1036         * tree-dump.h (dump_string_field): Declare.
1037         * tree-dump.c: Use it instead of dump_string.
1038         (dump_string_field): Make non-static.
1039
1040 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1041
1042         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
1043         up the minimal CFG stuff always when optimize > 0.  Call
1044         split_all_insns_noflow in PIC case if needed.
1045
1046 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1047             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
1048
1049         PR c++/18279
1050         * c-decl.c (c_write_global_declarations): Dump contents of
1051         external scope to.
1052         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
1053         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
1054         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
1055         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
1056         is enabled.
1057
1058 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1059
1060         * c-common.h (GCC_DIAG_STYLE): Define.
1061         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
1062         version for format checking to 4.1.
1063         * c-format.c: Include toplev.h after c-common.h.
1064         (enum format_type): Add gcc_tdiag_format_type.
1065         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
1066         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
1067         (format_types_orig): Add gcc_tdiag.
1068         (init_dynamic_diag_info): Support gcc_tdiag formats.
1069         (handle_format_attribute): Likewise.
1070         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
1071         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
1072         version for format checking to 4.1.
1073         (warning0, warning, error, pedwarn, sorry): Use
1074         ATTRIBUTE_GCC_DIAG.
1075         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
1076         (finish_aliases_1): Do not use %qE.
1077         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
1078         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
1079         Correct format bugs.
1080         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
1081         parameter to unsigned HOST_WIDE_INT.
1082         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
1083
1084 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
1085
1086         PR middle-end/21742
1087         * expr.c (write_complex_part): Use adjust_address for MEM.
1088         (read_complex_part): Same.
1089
1090 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
1091
1092         Fix PR tree-optimization/22280
1093
1094         * tree-sra.c (generate_element_init): Remove useless loop.
1095
1096 2005-07-02  Richard Henderson  <rth@redhat.com>
1097
1098         * config/alpha/alpha.c (alpha_legitimize_address): Check for
1099         TLS_MODEL_NONE.
1100         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
1101
1102 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
1103
1104         PR middle-end/14490
1105         * fold-const.c (fold_binary): Handle the return value of
1106         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
1107         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
1108
1109 2005-07-02  Jeff Law  <law@redhat.com>
1110
1111         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
1112         a eliminate type conversion which feeds an equality comparison
1113         if the original type or either operand in the comparison is a
1114         function pointer.
1115
1116 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
1117
1118         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
1119         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
1120         texts.
1121         * config/avr/avr.c: Do not use '`' as left quote.
1122         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
1123         Remove "." from end of diagnostics.  Make diagnostics start with
1124         lowercase letter.
1125
1126 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
1127             Joseph S. Myers  <joseph@codesourcery.com>
1128
1129         * toplev.c (default_tree_printer): Handle setting location with
1130         '+' flag.
1131         * c-objc.common.c (c_tree_printer): Likewise.
1132         * c-format.c (gcc_diag_flag_specs): Add '+'.
1133         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
1134         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
1135         formats.
1136         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
1137         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
1138         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
1139         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
1140         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
1141         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
1142         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
1143         format arguments where %J is used without %D.
1144
1145 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
1146
1147         * gcc.c (LINK_SSP_SPEC): Define.
1148         (link_ssp_spec): New variable.
1149         (LINK_COMMAND_SPEC): Add %(link_ssp).
1150         (static_specs): Add link_ssp_spec.
1151         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
1152         * configure: Rebuilt.
1153         * config.in: Rebuilt.
1154
1155         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1156         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1157         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1158         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1159         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
1160         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
1161         -0x7008(2) instead of reading __stack_chk_guard variable.
1162         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
1163         number.
1164         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
1165         (stack_protect_set, stack_protect_test): Use *_tls* patterns
1166         if TARGET_THREAD_SSP_OFFSET is defined.
1167         (stack_tls_protect_set_si, stack_tls_protect_set_di,
1168         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
1169
1170         Revert:
1171         2005-06-27  Richard Henderson  <rth@redhat.com>
1172         * libgcc-std.ver (GCC_4.1.0): New.
1173         * libgcc.h (__stack_chk_guard): Declare.
1174         (__stack_chk_fail, __stack_chk_fail_local): Declare.
1175         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
1176         * mklibgcc.in (lib2funcs): Add them.
1177
1178 2005-07-01  Richard Henderson  <rth@redhat.com>
1179
1180         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
1181         void * before struct sigcontext *.
1182         (x86_fallback_frame_state): Likewise.
1183
1184 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
1185
1186         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
1187
1188 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1189
1190         PR tree-opt/22269
1191         * tree-ssa-reassoc.c (should_transpose): Fix which operand
1192         we check for SSA_NAME for.
1193
1194 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
1195
1196         Fix PR tree-optimization/22071
1197
1198         * tree-ssa-structalias.c (offset_overlaps_with_access): New
1199         function.
1200         (get_constraint_for_component_ref): Use it.
1201
1202 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1203
1204         PR other/22264
1205         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
1206         print out the last new line.
1207
1208 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
1209
1210         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
1211         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
1212         * config/cris/cris.c (cris_conditional_register_usage): Adjust
1213         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
1214         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
1215         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
1216         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
1217         (enum reg_class): New member CC0_REGS.
1218         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
1219         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
1220         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
1221         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
1222         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1223         Adjust for register now described.
1224
1225 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
1226
1227         PR target/22262
1228         * config/i386/i386.md (stack_protect_test_si,
1229         stack_protect_test_di): Add earlyclobber for scratch 3.
1230         * config/rs6000/rs6000.md (stack_protect_testsi,
1231         stack_protect_testdi): Add earlyclobber for scratch 3,
1232         remove earlyclobber from scratch 4.
1233
1234 Older entries for 2005 can be found in ChangeLog-2005.