#define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
#define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
#define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL
-
-/* An array of _DECL trees for the above. */
-extern GTY(()) tree built_in_decls[(int) END_BUILTINS];
-extern GTY(()) tree implicit_built_in_decls[(int) END_BUILTINS];
\f
/* In an OMP_CLAUSE node. */
/* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
#define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
+#if (GCC_VERSION >= 2007)
+#define DECL_RTL_KNOWN_SET(decl) __extension__ \
+({ tree const __d = (decl); \
+ gcc_checking_assert (DECL_RTL_SET_P (__d)); \
+ /* Dereference it so the compiler knows it can't be NULL even \
+ without assertion checking. */ \
+ &*DECL_RTL_IF_SET (__d); })
+#else
+#define DECL_RTL_KNOWN_SET(decl) (&*DECL_RTL_IF_SET (decl))
+#endif
+
/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
#define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
fold_build_pointer_plus_hwi_loc (UNKNOWN_LOCATION, p, o)
/* In builtins.c */
+extern bool avoid_folding_inline_builtin (tree);
extern tree fold_call_expr (location_t, tree, bool);
extern tree fold_builtin_fputs (location_t, tree, tree, bool, bool, tree);
extern tree fold_builtin_strcpy (location_t, tree, tree, tree, tree);
extern tree fold_call_stmt (gimple, bool);
extern tree gimple_fold_builtin_snprintf_chk (gimple, tree, enum built_in_function);
extern tree make_range (tree, int *, tree *, tree *, bool *);
+extern tree make_range_step (location_t, enum tree_code, tree, tree, tree,
+ tree *, tree *, int *, bool *);
extern tree build_range_check (location_t, tree, tree, int, tree, tree);
extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
tree, tree);
/* In tree-ssa-address.c. */
extern tree tree_mem_ref_addr (tree, tree);
extern void copy_mem_ref_info (tree, tree);
+extern void copy_ref_info (tree, tree);
/* In tree-vrp.c */
extern bool ssa_name_nonnegative_p (const_tree);
/* In gimple-low.c. */
extern bool block_may_fallthru (const_tree);
+\f
+/* Functional interface to the builtin functions. */
+
+/* The builtin_info structure holds the FUNCTION_DECL of the standard builtin
+ function, and a flag that says if the function is available implicitly, or
+ whether the user has to code explicit calls to __builtin_<xxx>. */
+
+typedef struct GTY(()) builtin_info_type_d {
+ tree decl[(int)END_BUILTINS];
+ bool implicit_p[(int)END_BUILTINS];
+} builtin_info_type;
+
+extern GTY(()) builtin_info_type builtin_info;
+
+/* Valid builtin number. */
+#define BUILTIN_VALID_P(FNCODE) \
+ (IN_RANGE ((int)FNCODE, ((int)BUILT_IN_NONE) + 1, ((int) END_BUILTINS) - 1))
+
+/* Return the tree node for an explicit standard builtin function or NULL. */
+static inline tree
+builtin_decl_explicit (enum built_in_function fncode)
+{
+ gcc_checking_assert (BUILTIN_VALID_P (fncode));
+
+ return builtin_info.decl[(size_t)fncode];
+}
+
+/* Return the tree node for an implicit builtin function or NULL. */
+static inline tree
+builtin_decl_implicit (enum built_in_function fncode)
+{
+ size_t uns_fncode = (size_t)fncode;
+ gcc_checking_assert (BUILTIN_VALID_P (fncode));
+
+ if (!builtin_info.implicit_p[uns_fncode])
+ return NULL_TREE;
+
+ return builtin_info.decl[uns_fncode];
+}
+
+/* Set explicit builtin function nodes and whether it is an implicit
+ function. */
+
+static inline void
+set_builtin_decl (enum built_in_function fncode, tree decl, bool implicit_p)
+{
+ size_t ufncode = (size_t)fncode;
+
+ gcc_checking_assert (BUILTIN_VALID_P (fncode)
+ && (decl != NULL_TREE || !implicit_p));
+
+ builtin_info.decl[ufncode] = decl;
+ builtin_info.implicit_p[ufncode] = implicit_p;
+}
+
+/* Set the implicit flag for a builtin function. */
+
+static inline void
+set_builtin_decl_implicit_p (enum built_in_function fncode, bool implicit_p)
+{
+ size_t uns_fncode = (size_t)fncode;
+
+ gcc_checking_assert (BUILTIN_VALID_P (fncode)
+ && builtin_info.decl[uns_fncode] != NULL_TREE);
+
+ builtin_info.implicit_p[uns_fncode] = implicit_p;
+}
+
+/* Return whether the standard builtin function can be used as an explicit
+ function. */
+
+static inline bool
+builtin_decl_explicit_p (enum built_in_function fncode)
+{
+ gcc_checking_assert (BUILTIN_VALID_P (fncode));
+ return (builtin_info.decl[(size_t)fncode] != NULL_TREE);
+}
+
+/* Return whether the standard builtin function can be used implicitly. */
+
+static inline bool
+builtin_decl_implicit_p (enum built_in_function fncode)
+{
+ size_t uns_fncode = (size_t)fncode;
+
+ gcc_checking_assert (BUILTIN_VALID_P (fncode));
+ return (builtin_info.decl[uns_fncode] != NULL_TREE
+ && builtin_info.implicit_p[uns_fncode]);
+}
+
#endif /* GCC_TREE_H */