+;;;; Modular functions:
+(define-modular-fun lognot-mod64 (x) lognot 64)
+(define-vop (lognot-mod64/unsigned=>unsigned)
+ (:translate lognot-mod64)
+ (:args (x :scs (unsigned-reg)))
+ (:arg-types unsigned-num)
+ (:results (res :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:policy :fast-safe)
+ (:generator 1
+ (inst not x res)))
+
+(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))
+ (vop (symbolicate 'fast- fun '/unsigned=>unsigned))
+ (cvop (symbolicate 'fast- fun '-c/unsigned=>unsigned)))
+ `(progn
+ (define-modular-fun ,mfun-name (x y) ,fun 64)
+ (define-vop (,modvop ,vop)
+ (:translate ,mfun-name))
+ ,@(when constantp
+ `((define-vop (,modcvop ,cvop)
+ (:translate ,mfun-name))))))))
+ (define-modular-backend + t)
+ (define-modular-backend logxor t)
+ (define-modular-backend logeqv t)
+ (define-modular-backend logandc1)
+ (define-modular-backend logandc2 t)
+ (define-modular-backend logorc1)
+ (define-modular-backend logorc2 t))
+
+(define-source-transform lognand (x y)
+ `(lognot (logand ,x ,y)))
+(define-source-transform lognor (x y)
+ `(lognot (logior ,x ,y)))
+\f