1#define a_cas a_cas
 2static inline int a_cas(volatile int *p, int t, int s)
 3{
 4	__asm__ __volatile__ (
 5		"cs %0, %2, %1"
 6		: "+d"(t), "+Q"(*p) : "d"(s) : "memory", "cc");
 7	return t;
 8}
 9
10#define a_cas_p a_cas_p
11static inline void *a_cas_p(volatile void *p, void *t, void *s)
12{
13	__asm__ __volatile__ (
14		"csg %0, %2, %1"
15		: "+d"(t), "+Q"(*(void *volatile *)p) : "d"(s)
16		: "memory", "cc");
17	return t;
18}
19
20#define a_barrier a_barrier
21static inline void a_barrier()
22{
23	__asm__ __volatile__ ("bcr 15,0" : : : "memory");
24}
25
26#define a_crash a_crash
27static inline void a_crash()
28{
29	__asm__ __volatile__ (".insn e,0");
30}