Implemented InterlockedCompareExchangePointer and
InterlockedExchangePointer for x86-64.
diff --git a/include/winbase.h b/include/winbase.h
index d4b1bab..f89602c 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -2268,15 +2268,28 @@
#endif /* __i386__ && __GNUC__ && __WINESRC__ && !_NTSYSTEM_ */
-/* FIXME: should handle platforms where sizeof(void*) != sizeof(long) */
static inline PVOID WINAPI InterlockedCompareExchangePointer( PVOID volatile *dest, PVOID xchg, PVOID compare )
{
+#if defined(__x86_64__) && defined(__GNUC__)
+ PVOID ret;
+ __asm__ __volatile__( "lock; cmpxchgq %2,(%1)"
+ : "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
+ return ret;
+#else
return (PVOID)InterlockedCompareExchange( (PLONG)dest, (LONG)xchg, (LONG)compare );
+#endif
}
static inline PVOID WINAPI InterlockedExchangePointer( PVOID volatile *dest, PVOID val )
{
+#if defined(__x86_64__) && defined(__GNUC__)
+ PVOID ret;
+ __asm__ __volatile__( "lock; xchgq %0,(%1)"
+ : "=r" (ret) :"r" (dest), "0" (val) : "memory" );
+ return ret;
+#else
return (PVOID)InterlockedExchange( (PLONG)dest, (LONG)val );
+#endif
}
#ifdef __WINESRC__
