X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=arch%2Fpowerpc%2Fatomic.h;h=4a47064a82ee133caaeffb8993d304d986d9eff4;hp=a83764d9e044fdb13f3151570e9435a4587853b7;hb=e7257d3e63b10d4725450c383e94cdbb997d9151;hpb=574d01a69617921b72d0171f9a0d6cd414619220

diff --git a/arch/powerpc/atomic.h b/arch/powerpc/atomic.h
index a83764d9..4a47064a 100644
--- a/arch/powerpc/atomic.h
+++ b/arch/powerpc/atomic.h
@@ -25,12 +25,13 @@ static inline int a_ctz_64(uint64_t x)
 
 static inline int a_cas(volatile int *p, int t, int s)
 {
-
-	__asm__( "1: lwarx 10, 0, %1\n"
-                 "   stwcx. %3, 0, %1\n"
-                 "   bne- 1b\n"
-                 "   mr %0, 10\n"
-		: "=r"(t) : "r"(p), "r"(t), "r"(s) : "memory" );
+	__asm__("1:	lwarx %0, 0, %1\n"
+		"	cmpw %0, %2\n"
+		"	bne 1f\n"
+		"	stwcx. %3, 0, %1\n"
+		"	bne- 1b\n"
+		"1:	\n"
+		: "=&r"(t) : "r"(p), "r"(t), "r"(s) : "cc", "memory" );
         return t;
 }