Fix asm constraints for atomic_cmpset_32. This fix may also be needed

elsewhere.
2001-06-24 06:36:28 +00:00 · 2001-06-24 06:36:28 +00:00 · b55c34215e
commit b55c34215e
parent f8016646a9
1 changed files with 1 additions and 1 deletions
--- a/sys/powerpc/include/atomic.h
+++ b/sys/powerpc/include/atomic.h
@ -347,7 +347,7 @@ atomic_cmpset_32(volatile u_int32_t* p, u_int32_t cmpval, u_int32_t newval)
 		"bne- 1b\n\t"			/* spin if failed */
 		"eieio\n"			/* memory barrier */
 		"2:\t\n"
-		: "=r" (ret)
+		: "=&r" (ret)
 		: "r" (cmpval), "r" (newval), "r" (p)
 		: "memory");