return t;
}
+static inline int a_cas(volatile int *p, int t, int s)
+{
+ __asm__( "lock ; cmpxchg %3, %1"
+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
+ return t;
+}
+
static inline void *a_swap_p(void *volatile *x, void *v)
{
__asm__( "xchg %0, %1" : "=r"(v), "=m"(*(void **)x) : "0"(v) : "memory" );