#include "io.h" int main(void) { long long rd, rt, result; rd = 0; rt = 0xFFFFFFFF; result = 0xFFFFFFFFFFFFFFFF; __asm ("replv.pw %0, %1\n\t" : "=r"(rd) : "r"(rt) ); if (result != rd) { printf("replv.pw error\n"); return -1; } return 0; }