(: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)
(:generator 1
(inst not x res)))
+(define-vop (fast-ash-left-mod64-c/unsigned=>unsigned
+ fast-ash-c/unsigned=>unsigned)
+ (:translate ash-left-mod64))
+
(macrolet
((define-modular-backend (fun &optional constantp)
(let ((mfun-name (symbolicate fun '-mod64))
(modvop (symbolicate 'fast- fun '-mod64/unsigned=>unsigned))
- (modcvop (symbolicate 'fast- fun 'mod64-c/unsigned=>unsigned))
+ (modcvop (symbolicate 'fast- fun '-mod64-c/unsigned=>unsigned))
(vop (symbolicate 'fast- fun '/unsigned=>unsigned))
(cvop (symbolicate 'fast- fun '-c/unsigned=>unsigned)))
`(progn
`((define-vop (,modcvop ,cvop)
(:translate ,mfun-name))))))))
(define-modular-backend + t)
+ (define-modular-backend - t)
(define-modular-backend logxor t)
(define-modular-backend logeqv t)
(define-modular-backend logandc1)