(:temporary (:scs (non-descriptor-reg)) temp)
(:translate *)
(:generator 2
- (inst srawi temp y 2)
+ (inst srawi temp y n-fixnum-tag-bits)
(inst mullw r x temp)))
(define-vop (fast-*-c/fixnum=>fixnum fast-fixnum-binop-c)
(:results (digit :scs (unsigned-reg)))
(:result-types unsigned-num)
(:generator 1
- (inst srawi digit fixnum 2)))
+ (inst srawi digit fixnum n-fixnum-tag-bits)))
(define-vop (bignum-floor)
(:generator 1
(sc-case res
(any-reg
- (inst slwi res digit 2))
+ (inst slwi res digit n-fixnum-tag-bits))
(signed-reg
(move res digit)))))