(define-binop logior 2 or)
(define-binop logxor 2 xor))
-(define-source-transform logeqv (&rest args)
- (if (oddp (length args))
- `(logxor ,@args)
- `(lognot (logxor ,@args))))
-(define-source-transform logandc1 (x y)
- `(logand (lognot ,x) ,y))
-(define-source-transform logandc2 (x y)
- `(logand ,x (lognot ,y)))
-(define-source-transform logorc1 (x y)
- `(logior (lognot ,x) ,y))
-(define-source-transform logorc2 (x y)
- `(logior ,x (lognot ,y)))
-(define-source-transform lognor (x y)
- `(lognot (logior ,x ,y)))
-(define-source-transform lognand (x y)
- `(lognot (logand ,x ,y)))
-
;;; Special handling of add on the x86; can use lea to avoid a
;;; register load, otherwise it uses add.
(define-vop (fast-+/fixnum=>fixnum fast-safe-arith-op)
(define-vop (fast-logxor-mod32-c/unsigned=>unsigned
fast-logxor-c/unsigned=>unsigned)
(:translate logxor-mod32))
+
+(define-source-transform logeqv (&rest args)
+ (if (oddp (length args))
+ `(logxor ,@args)
+ `(lognot (logxor ,@args))))
+(define-source-transform logandc1 (x y)
+ `(logand (lognot ,x) ,y))
+(define-source-transform logandc2 (x y)
+ `(logand ,x (lognot ,y)))
+(define-source-transform logorc1 (x y)
+ `(logior (lognot ,x) ,y))
+(define-source-transform logorc2 (x y)
+ `(logior ,x (lognot ,y)))
+(define-source-transform lognor (x y)
+ `(lognot (logior ,x ,y)))
+(define-source-transform lognand (x y)
+ `(lognot (logand ,x ,y)))
\f
;;;; bignum stuff