1 #define a_cas a_cas a_cas(volatile int * p,int t,int s)2static inline int a_cas(volatile int *p, int t, int s) 3 { 4 __asm__("1: l.lwa %0, %1\n" 5 " l.sfeq %0, %2\n" 6 " l.bnf 1f\n" 7 " l.nop\n" 8 " l.swa %1, %3\n" 9 " l.bnf 1b\n" 10 " l.nop\n" 11 "1: \n" 12 : "=&r"(t), "+m"(*p) : "r"(t), "r"(s) : "cc", "memory" ); 13 return t; 14 } 15