+#!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
+(define-type-predicate unsigned-byte-64-p (unsigned-byte 64))
+#!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
+(define-type-predicate signed-byte-64-p (signed-byte 64))
+#!+sb-simd-pack
+(define-type-predicate simd-pack-p simd-pack)