1#define a_cas a_cas
2static inline int a_cas(volatile int *p, int t, int s)
3{
4	__asm__ __volatile__ (
5		"cas.l %0, %2, (%1)"
6		: "+d"(t) : "a"(p), "d"(s) : "memory", "cc");
7	return t;
8}