Changeset 21831 in vbox for trunk/src/recompiler

Timestamp:

Jul 28, 2009 11:57:57 AM (15 years ago)

Author:

vboxsync

Message:

recompiler: correct implementation of testandset()

File:

• trunk/src/recompiler/qemu-lock.h (modified) (1 diff)

trunk/src/recompiler/qemu-lock.h

@@ -76 +76 @@
 {
 
-    return ASMAtomicCmpXchgU32((uint32_t volatile *)p, 0, 1);
+    return ASMAtomicCmpXchgU32((volatile uint32_t *)p, 1, 0) ? 0 : 1;
 }
 #elif defined(__powerpc__)