(:translate ash)
(:policy :fast-safe)
(:temporary (:sc non-descriptor-reg) ndesc)
- (:temporary (:sc non-descriptor-reg :to :eval) temp)
+ (:temporary (:sc non-descriptor-reg) temp)
(:generator 3
(inst bge amount positive)
(inst subq zero-tn amount ndesc)
(:translate ash)
(:policy :fast-safe)
(:temporary (:sc non-descriptor-reg) ndesc)
- (:temporary (:sc non-descriptor-reg :to :eval) temp)
+ (:temporary (:sc non-descriptor-reg) temp)
(:generator 3
(inst bge amount positive)
(inst subq zero-tn amount ndesc)
(:result-types signed-num)
(:generator 1
(cond
- ((< count 0) (inst sra number (- count) result))
- ((> count 0) (inst sll number count result))
+ ((< count 0) (inst sra number (min 63 (- count)) result))
+ ((> count 0) (inst sll number (min 63 count) result))
(t (bug "identity ASH not transformed away")))))
(define-vop (fast-ash-c/unsigned=>unsigned)
(cond
((< count -63) (move zero-tn result))
((< count 0) (inst sra number (- count) result))
- ((> count 0) (inst sll number count result))
+ ((> count 0) (inst sll number (min 63 count) result))
(t (bug "identity ASH not transformed away")))))
(define-vop (signed-byte-64-len)