(:temporary (:scs (descriptor-reg) :from (:argument 0)) ptr)
(:temporary (:scs (non-descriptor-reg) :type random) temp)
(:temporary (:scs (any-reg) :type fixnum :to (:result 0) :target result)
- count)
+ count)
(:results (result :scs (any-reg descriptor-reg)))
(:policy :fast-safe)
(:vop-var vop)