Fourth argument is actually an enum expand_modifier. */
rtx (*expand_expr) (tree, rtx, enum machine_mode, int, rtx *);
- /* Called by expand_expr to generate the definition of a decl. Returns
- 1 if handled, 0 otherwise. */
- int (*expand_decl) (tree);
-
/* Function to finish handling an incomplete decl at the end of
compilation. Default hook is does nothing. */
void (*finish_incomplete_decl) (tree);
/* Do language specific processing in the builtin function DECL */
tree (*builtin_function) (tree decl);
+ /* Like builtin_function, but make sure the scope is the external scope.
+ This is used to delay putting in back end builtin functions until the ISA
+ that defines the builtin is declared via function specific target options,
+ which can save memory for machines like the x86_64 that have multiple
+ ISAs. If this points to the same function as builtin_function, the
+ backend must add all of the builtins at program initialization time. */
+ tree (*builtin_function_ext_scope) (tree decl);
+
/* Used to set up the tree_contains_structure array for a frontend. */
void (*init_ts) (void);
const char *library_name,
tree attrs);
+extern tree add_builtin_function_ext_scope (const char *name, tree type,
+ int function_code,
+ enum built_in_class cl,
+ const char *library_name,
+ tree attrs);
+
#endif /* GCC_LANG_HOOKS_H */