0.8.4.11:

[sbcl.git] / src / compiler / x86 / arith.lisp

diff --git a/src/compiler/x86/arith.lisp b/src/compiler/x86/arith.lisp
index 39377cd..af7da99 100644 (file)
--- a/src/compiler/x86/arith.lisp
+++ b/src/compiler/x86/arith.lisp
@@ -184,7 +184,6 @@
   (define-binop logior 2 or)
   (define-binop logxor 2 xor))
 
-
 ;;; 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)
@@ -1170,6 +1169,23 @@
 (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