(defoptimizer (%rotate-byte derive-type) ((count size posn num))
;; FIXME: this looks fairly unwieldy. I'm sure it can be made
;; simpler, and also be made to deal with negative integers too.
(defoptimizer (%rotate-byte derive-type) ((count size posn num))
;; FIXME: this looks fairly unwieldy. I'm sure it can be made
;; simpler, and also be made to deal with negative integers too.