gcc/

2012-06-18  Mikael Pettersson  <mikpe@it.uu.se>

	* config/m68k/linux-atomic.c (__kernel_cmpxchg): Compute
	failure indicator directly.

--- gcc-4.6.3/gcc/config/m68k/linux-atomic.c.~1~	2012-06-18 22:34:08.000000000 +0200
+++ gcc-4.6.3/gcc/config/m68k/linux-atomic.c	2012-06-18 22:48:07.000000000 +0200
@@ -33,15 +33,15 @@ see the files COPYING3 and COPYING.RUNTI
 static inline int
 __kernel_cmpxchg (int oldval, int newval, int *ptr)
 {
-    char success;
+    char failure;
 
     __asm__ __volatile__ (
 	"cas.l %2,%3,%0\n\t"
-	"seq %1"
-	: "+m" (*ptr), "=d" (success), "+d" (oldval)
+	"sne %1"
+	: "+m" (*ptr), "=d" (failure), "+d" (oldval)
 	: "d" (newval)
 	: "memory", "cc");
-    return !success;	/* Callers expect failure return, not success.  */
+    return failure;
 }
 
 static inline void