re PR c/10320 (gcc 3.4 gets rid of static inline function that does not get inlined)
* gcse.c (insert_store): Ignore fake edges. * c-common.c (flag_vtable_gc): Kill. * c-common.g (flag_vtable_gc): Kill. * c-opts (c_common_handle_option): Kill. * c.opt (fvtable-gc): Kill. * final.c (final_scan_insn): Do not call assemble_vtable_entry. * output.h (assemble_vtable_entry, assemble_vtable_inherit): Kill. * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): Kill. * invoke.texi (-ftable-gc): Kill documentation. PR C/10320 * tree-inline.c (inlinable_function_p): Don't set DECL_UNINLINABLE just because function body is missing. * i386.c (pic_symbolic_operand): Properly detect RIP relative unspecs. * class.c (build_vtable_entry_ref): Kill. (build_vtbl_ref_1): Do not call build_vtable_entry_ref. (build_vfn_ref): Do not call build_vtable_entry_ref. * cp-lang.c (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill. * cp-tree.h (prepare_assemble_variable): Kill. * cp-decl.c (prepare_assemble_variable): Kill. From-SVN: r69964
This commit is contained in:
Jan Hubicka
Jan Hubicka
parent
1051c718b1
commit
a0c8285b03
@ -1,3 +1,22 @@
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Wed Jul 30 19:12:10 CEST 2003 Jan Hubicka <jh@suse.cz>
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* gcse.c (insert_store): Ignore fake edges.
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* c-common.c (flag_vtable_gc): Kill.
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* c-common.g (flag_vtable_gc): Kill.
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* c-opts (c_common_handle_option): Kill.
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* c.opt (fvtable-gc): Kill.
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* final.c (final_scan_insn): Do not call assemble_vtable_entry.
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* output.h (assemble_vtable_entry, assemble_vtable_inherit): Kill.
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* varasm.c (assemble_vtable_entry, assemble_vtable_inherit): Kill.
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* invoke.texi (-ftable-gc): Kill documentation.
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* tree-inline.c (inlinable_function_p): Don't set DECL_UNINLINABLE
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just because function body is missing.
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* i386.c (pic_symbolic_operand): Properly detect RIP relative unspecs.
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2003-07-30 Ranjit Mathew <rmathew@hotmail.com>
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* unwind-sjlj.c: Fix typo in file description.
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@ -569,10 +569,6 @@ int flag_weak = 1;
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int flag_use_cxa_atexit = DEFAULT_USE_CXA_ATEXIT;
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/* Nonzero means output .vtable_{entry,inherit} for use in doing vtable gc. */
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int flag_vtable_gc;
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/* Nonzero means make the default pedwarns warnings instead of errors.
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The value of this flag is ignored if -pedantic is specified. */
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@ -743,10 +743,6 @@ extern int flag_weak;
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extern int flag_use_cxa_atexit;
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/* Nonzero means output .vtable_{entry,inherit} for use in doing vtable gc. */
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extern int flag_vtable_gc;
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/* Nonzero means make the default pedwarns warnings instead of errors.
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The value of this flag is ignored if -pedantic is specified. */
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@ -675,6 +675,7 @@ c_common_handle_option (size_t scode, const char *arg, int value)
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case OPT_fthis_is_variable:
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case OPT_fvtable_thunks:
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case OPT_fxref:
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case OPT_fvtable_gc:
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warning ("switch \"%s\" is no longer supported", option->opt_text);
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break;
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@ -896,10 +897,6 @@ c_common_handle_option (size_t scode, const char *arg, int value)
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max_tinst_depth = value;
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break;
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case OPT_fvtable_gc:
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flag_vtable_gc = value;
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break;
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case OPT_fuse_cxa_atexit:
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flag_use_cxa_atexit = value;
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break;
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@ -3410,7 +3410,12 @@ pic_symbolic_operand (register rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
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op = XEXP (op, 0);
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if (TARGET_64BIT)
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{
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if (GET_CODE (XEXP (op, 0)) == UNSPEC)
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if (GET_CODE (op) == UNSPEC
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&& XINT (op, 1) == UNSPEC_GOTPCREL)
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return 1;
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if (GET_CODE (op) == PLUS
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&& XINT (XEXP (op, 0), 1) == UNSPEC_GOTPCREL
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&& GET_CODE (XEXP (op, 0)) == UNSPEC)
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return 1;
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}
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else
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@ -1,3 +1,12 @@
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Wed Jul 30 19:12:48 CEST 2003 Jan Hubicka <jh@suse.cz>
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* class.c (build_vtable_entry_ref): Kill.
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(build_vtbl_ref_1): Do not call build_vtable_entry_ref.
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(build_vfn_ref): Do not call build_vtable_entry_ref.
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* cp-lang.c (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
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* cp-tree.h (prepare_assemble_variable): Kill.
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* cp-decl.c (prepare_assemble_variable): Kill.
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2003-07-29 Geoffrey Keating <geoffk@apple.com>
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* parser.c (cp_lexer_new_main): Use c_common_no_more_pch instead
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@ -131,7 +131,6 @@ static void add_implicitly_declared_members (tree, int, int, int);
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static tree fixed_type_or_null (tree, int *, int *);
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static tree resolve_address_of_overloaded_function (tree, tree, int,
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int, int, tree);
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static tree build_vtable_entry_ref (tree, tree, tree);
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static tree build_vtbl_ref_1 (tree, tree);
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static tree build_vtbl_initializer (tree, tree, tree, tree, int *);
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static int count_fields (tree);
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@ -421,32 +420,6 @@ convert_to_base_statically (tree expr, tree base)
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}
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/* Virtual function things. */
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static tree
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build_vtable_entry_ref (tree array_ref, tree instance, tree idx)
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{
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tree i, i2, vtable, first_fn, basetype;
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basetype = non_reference (TREE_TYPE (instance));
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vtable = get_vtbl_decl_for_binfo (TYPE_BINFO (basetype));
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first_fn = TYPE_BINFO_VTABLE (basetype);
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i = fold (build_array_ref (first_fn, idx));
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i = fold (build_c_cast (ptrdiff_type_node,
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build_unary_op (ADDR_EXPR, i, 0)));
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i2 = fold (build_array_ref (vtable, build_int_2 (0,0)));
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i2 = fold (build_c_cast (ptrdiff_type_node,
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build_unary_op (ADDR_EXPR, i2, 0)));
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i = fold (cp_build_binary_op (MINUS_EXPR, i, i2));
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if (TREE_CODE (i) != INTEGER_CST)
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abort ();
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return build (VTABLE_REF, TREE_TYPE (array_ref), array_ref, vtable, i);
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}
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/* Given an object INSTANCE, return an expression which yields the
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vtable element corresponding to INDEX. There are many special
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cases for INSTANCE which we take care of here, mainly to avoid
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@ -490,9 +463,6 @@ build_vtbl_ref (tree instance, tree idx)
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{
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tree aref = build_vtbl_ref_1 (instance, idx);
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if (flag_vtable_gc)
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aref = build_vtable_entry_ref (aref, instance, idx);
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return aref;
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}
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@ -510,9 +480,6 @@ build_vfn_ref (tree instance, tree idx)
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aref = build1 (NOP_EXPR, TREE_TYPE (aref),
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build_unary_op (ADDR_EXPR, aref, /*noconvert=*/1));
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if (flag_vtable_gc)
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aref = build_vtable_entry_ref (aref, instance, idx);
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return aref;
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}
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@ -153,9 +153,6 @@ static bool cp_var_mod_type_p (tree);
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#undef LANG_HOOKS_EXPR_SIZE
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#define LANG_HOOKS_EXPR_SIZE cp_expr_size
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#undef LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE
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#define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE prepare_assemble_variable
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#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
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#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION expand_body
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#undef LANG_HOOKS_CALLGRAPH_LOWER_FUNCTION
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@ -3826,7 +3826,6 @@ extern tree build_artificial_parm (tree, tree);
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extern tree get_guard (tree);
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extern tree get_guard_cond (tree);
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extern tree set_guard (tree);
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extern void prepare_assemble_variable (tree);
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extern void lower_function (tree);
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/* XXX Not i18n clean. */
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@ -1626,36 +1626,6 @@ import_export_class (tree ctype)
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CLASSTYPE_INTERFACE_ONLY (ctype) = (import_export < 0);
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}
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}
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/* We need to describe to the assembler the relationship between
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a vtable and the vtable of the parent class. */
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void
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prepare_assemble_variable (tree vars)
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{
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tree parent;
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rtx child_rtx, parent_rtx;
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if (!flag_vtable_gc || TREE_CODE (vars) != VAR_DECL
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|| !DECL_VTABLE_OR_VTT_P (vars))
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return;
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child_rtx = XEXP (DECL_RTL (vars), 0); /* strip the mem ref */
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parent = binfo_for_vtable (vars);
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if (parent == TYPE_BINFO (DECL_CONTEXT (vars)))
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parent_rtx = const0_rtx;
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else if (parent)
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{
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parent = get_vtbl_decl_for_binfo (TYPE_BINFO (BINFO_TYPE (parent)));
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parent_rtx = XEXP (DECL_RTL (parent), 0); /* strip the mem ref */
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}
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else
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abort ();
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assemble_vtable_inherit (child_rtx, parent_rtx);
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}
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/* If necessary, write out the vtables for the dynamic class CTYPE.
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Returns true if any vtables were emitted. */
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@ -183,7 +183,7 @@ in the following sections.
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-fno-nonansi-builtins -fno-operator-names @gol
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-fno-optional-diags -fpermissive @gol
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-frepo -fno-rtti -fstats -ftemplate-depth-@var{n} @gol
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-fuse-cxa-atexit -fvtable-gc -fno-weak -nostdinc++ @gol
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-fuse-cxa-atexit -fno-weak -nostdinc++ @gol
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-fno-default-inline -Wabi -Wctor-dtor-privacy @gol
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-Wnon-virtual-dtor -Wreorder @gol
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-Weffc++ -Wno-deprecated @gol
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@ -1456,17 +1456,6 @@ This option is required for fully standards-compliant handling of static
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destructors, but will only work if your C library supports
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@code{__cxa_atexit}.
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@item -fvtable-gc
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@opindex fvtable-gc
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Emit special relocations for vtables and virtual function references
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so that the linker can identify unused virtual functions and zero out
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vtable slots that refer to them. This is most useful with
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@option{-ffunction-sections} and @option{-Wl,--gc-sections}, in order to
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also discard the functions themselves.
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This optimization requires GNU as and GNU ld. Not all systems support
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this option. @option{-Wl,--gc-sections} is ignored without @option{-static}.
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@item -fno-weak
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@opindex fno-weak
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Do not use weak symbol support, even if it is provided by the linker.
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@ -2486,9 +2486,6 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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/* Emit information for vtable gc. */
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note = find_reg_note (insn, REG_VTABLE_REF, NULL_RTX);
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if (note)
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assemble_vtable_entry (XEXP (XEXP (note, 0), 0),
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INTVAL (XEXP (XEXP (note, 0), 1)));
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current_output_insn = debug_insn = 0;
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}
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18
gcc/gcse.c
18
gcc/gcse.c
@ -7495,6 +7495,9 @@ insert_store (struct ls_expr * expr, edge e)
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if (expr->reaching_reg == NULL_RTX)
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return 0;
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if (e->flags & EDGE_FAKE)
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return 0;
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reg = expr->reaching_reg;
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insn = gen_move_insn (copy_rtx (expr->pattern), reg);
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@ -7503,13 +7506,14 @@ insert_store (struct ls_expr * expr, edge e)
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edges so we don't try to insert it on the other edges. */
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bb = e->dest;
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for (tmp = e->dest->pred; tmp ; tmp = tmp->pred_next)
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{
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int index = EDGE_INDEX (edge_list, tmp->src, tmp->dest);
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if (index == EDGE_INDEX_NO_EDGE)
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abort ();
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if (! TEST_BIT (pre_insert_map[index], expr->index))
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break;
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}
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if (!tmp->flags & EDGE_FAKE)
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{
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int index = EDGE_INDEX (edge_list, tmp->src, tmp->dest);
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if (index == EDGE_INDEX_NO_EDGE)
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abort ();
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if (! TEST_BIT (pre_insert_map[index], expr->index))
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break;
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}
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/* If tmp is NULL, we found an insertion on every edge, blank the
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insertion vector for these edges, and insert at the start of the BB. */
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@ -508,10 +508,6 @@ extern void default_file_start (void);
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extern void file_end_indicate_exec_stack (void);
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extern bool default_valid_pointer_mode (enum machine_mode);
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/* Emit data for vtable gc for GNU binutils. */
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extern void assemble_vtable_entry (rtx, HOST_WIDE_INT);
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extern void assemble_vtable_inherit (rtx, rtx);
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extern int default_address_cost (rtx);
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#endif /* ! GCC_OUTPUT_H */
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@ -1,3 +1,7 @@
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Wed Jul 30 19:13:34 CEST 2003 Jan Hubicka <jh@suse.cz>
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* vtgc1.c: Kill.
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2003-07-29 Zack Weinberg <zack@codesourcery.com>
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* gcc.dg/struct-in-proto-1.c: New test.
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@ -1,136 +0,0 @@
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// { dg-do compile }
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// { dg-options "-fvtable-gc" }
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// Origin: Hans-Peter Nilsson <hp@bitrange.com>
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class Base0
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{
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public:
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Base0(); virtual ~Base0();
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virtual void f1();
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virtual void f2();
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private:
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int a_value;
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};
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class Base1 : public Base0
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{
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public:
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Base1(); virtual ~Base1();
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virtual void f1(), f2();
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virtual void f3();
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};
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class Base2 : public Base1
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{
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public:
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Base2(); virtual ~Base2();
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virtual void f1(), f2();
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virtual void f4();
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};
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class VbasedA : virtual public Base2
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{
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public:
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VbasedA(); virtual ~VbasedA();
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virtual void f1(), f2(), f3();
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virtual void f6();
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};
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class Side0
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{
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public:
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Side0(); virtual ~Side0();
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virtual void x1();
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virtual void xx();
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private:
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int ryan;
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};
|
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|
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class Multisv0 : public Side0, virtual public Base2
|
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{
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public:
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Multisv0(); virtual ~Multisv0();
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virtual void f1(), f2();
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virtual void f3();
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virtual void f6();
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virtual void xx();
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};
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|
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class Multivs1 : public Base2, virtual public Side0
|
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{
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public:
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Multivs1(); virtual ~Multivs1(); virtual void f1(); virtual void fx2();
|
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virtual void fx4(), fx5();
|
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virtual void f6();
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virtual void xx();
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};
|
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|
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class Multiss2 : public Base2, public Side0
|
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{
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public:
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Multiss2(); virtual ~Multiss2(); virtual void f1(); virtual void fx2();
|
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virtual void fx4();
|
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virtual void f6();
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virtual void xx();
|
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};
|
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|
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class Multivv3 : virtual public Base2, virtual public Side0
|
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{
|
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public:
|
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Multivv3(); virtual ~Multivv3(); virtual void f1(); virtual void fx2();
|
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virtual void fx4(), fx5();
|
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virtual void f6();
|
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virtual void xx();
|
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};
|
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|
||||
Base0::Base0() {}
|
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Base0::~Base0() {}
|
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Base1::Base1() {}
|
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Base1::~Base1() {}
|
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Base2::Base2() {}
|
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Base2::~Base2() {}
|
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VbasedA::VbasedA() {}
|
||||
VbasedA::~VbasedA() {}
|
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Multisv0::Multisv0() {}
|
||||
Multisv0::~Multisv0() {}
|
||||
Multivs1::Multivs1() {}
|
||||
Multivs1::~Multivs1() {}
|
||||
Multiss2::Multiss2() {}
|
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Multiss2::~Multiss2() {}
|
||||
Multivv3::Multivv3() {}
|
||||
Multivv3::~Multivv3() {}
|
||||
Side0::Side0() {}
|
||||
Side0::~Side0() {}
|
||||
|
||||
extern void x (VbasedA *);
|
||||
extern void x2 (Multisv0 *);
|
||||
extern void x3 (Multivs1 *);
|
||||
extern void x4 (Multiss2 *);
|
||||
extern void x5 (Multivv3 *);
|
||||
void y () { VbasedA ii; x(&ii);}
|
||||
void y2 () { Multisv0 ii; x2(&ii);}
|
||||
void y3 () { Multivs1 ii; x3(&ii);}
|
||||
void y4 () { Multiss2 ii; x4(&ii);}
|
||||
void y5 () { Multivv3 ii; x5(&ii);}
|
||||
void x (VbasedA *ii) { ii->f2();}
|
||||
void x2 (Multisv0 *ii) { ii->f2();}
|
||||
void x3 (Multivs1 *ii) { ii->f2();}
|
||||
void x4 (Multiss2 *ii) { ii->f2();}
|
||||
void x5 (Multivv3 *ii) { ii->f2();}
|
||||
|
||||
// Use .* because of ia64's convention of marking symbols with "#", which
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||||
// makes it through the c++filt.
|
||||
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Multivv3.*0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*VTT for Multivv3.*0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Multiss2.*vtable for Base2" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Multivs1.*vtable for Base2" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*VTT for Multivs1.*vtable for Base2" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Multisv0.*vtable for Side0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*VTT for Multisv0.*vtable for Side0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Side0.*0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for VbasedA.*0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*VTT for VbasedA.*0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Base2.*vtable for Base1" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Base1.*vtable for Base0" } }
|
||||
// { dg-final { scan-assembler-dem "\.vtable_inherit\[ \t\]*vtable for Base0.*0" } }
|
||||
@ -948,6 +948,11 @@ inlinable_function_p (tree fn, inline_data *id, int nolimit)
|
||||
in C++ it may result in template instantiation.) */
|
||||
inlinable = !(*lang_hooks.tree_inlining.cannot_inline_tree_fn) (&fn);
|
||||
|
||||
/* If we don't have the function body available, we can't inline
|
||||
it. */
|
||||
if (! DECL_SAVED_TREE (fn))
|
||||
return 0;
|
||||
|
||||
/* We may be here either because fn is declared inline or because
|
||||
we use -finline-functions. For the second case, we are more
|
||||
restrictive. */
|
||||
@ -1027,11 +1032,6 @@ inlinable_function_p (tree fn, inline_data *id, int nolimit)
|
||||
}
|
||||
}
|
||||
|
||||
/* If we don't have the function body available, we can't inline
|
||||
it. */
|
||||
if (! DECL_SAVED_TREE (fn))
|
||||
inlinable = 0;
|
||||
|
||||
/* Check again, language hooks may have modified it. */
|
||||
if (! inlinable || DECL_UNINLINABLE (fn))
|
||||
return 0;
|
||||
|
||||
24
gcc/varasm.c
24
gcc/varasm.c
@ -4657,30 +4657,6 @@ default_pe_asm_named_section (const char *name, unsigned int flags)
|
||||
}
|
||||
}
|
||||
|
||||
/* Used for vtable gc in GNU binutils. Record that the pointer at OFFSET
|
||||
from SYMBOL is used in all classes derived from SYMBOL. */
|
||||
|
||||
void
|
||||
assemble_vtable_entry (rtx symbol, HOST_WIDE_INT offset)
|
||||
{
|
||||
fputs ("\t.vtable_entry ", asm_out_file);
|
||||
output_addr_const (asm_out_file, symbol);
|
||||
fprintf (asm_out_file, ", " HOST_WIDE_INT_PRINT_DEC "\n", offset);
|
||||
}
|
||||
|
||||
/* Used for vtable gc in GNU binutils. Record the class hierarchy by noting
|
||||
that the vtable symbol CHILD is derived from the vtable symbol PARENT. */
|
||||
|
||||
void
|
||||
assemble_vtable_inherit (rtx child, rtx parent)
|
||||
{
|
||||
fputs ("\t.vtable_inherit ", asm_out_file);
|
||||
output_addr_const (asm_out_file, child);
|
||||
fputs (", ", asm_out_file);
|
||||
output_addr_const (asm_out_file, parent);
|
||||
fputc ('\n', asm_out_file);
|
||||
}
|
||||
|
||||
/* The lame default section selector. */
|
||||
|
||||
void
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user