+ tree type_out ATTRIBUTE_UNUSED,
+ tree type_in ATTRIBUTE_UNUSED)
+{
+ return NULL_TREE;
+}
+
+/* Vectorized conversion. */
+
+tree
+default_builtin_vectorized_conversion (enum tree_code code ATTRIBUTE_UNUSED,
+ tree type ATTRIBUTE_UNUSED)
+{
+ return NULL_TREE;
+}
+
+/* Reciprocal. */
+
+tree
+default_builtin_reciprocal (enum built_in_function fn ATTRIBUTE_UNUSED,
+ bool md_fn ATTRIBUTE_UNUSED,
+ bool sqrt ATTRIBUTE_UNUSED)