atomic_arch.h raw

   1  #define a_cas a_cas
   2  static 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  }
   9