#include "io.h" int main(void) { long long rd, rt, result; rt = 0x0123456789ABCDEF; result = 0x0123000045670000; __asm ("preceq.pw.qhl %0, %1\n\t" : "=r"(rd) : "r"(rt) ); if (result != rd) { printf("preceq.pw.qhl error\n"); return -1; } return 0; }