#include "io.h" int main(void) { long long rs, dsp; long long achi, acli; long long rsdsp; long long acho, aclo; long long res; long long reshi, reslo; rs = 0xaaaabbbbccccdddd; achi = 0x87654321; acli = 0x12345678; dsp = 0x22; res = 0x62; reshi = 0x12345678; reslo = 0xffffffffccccdddd; __asm ("mthi %3, $ac1\n\t" "mtlo %4, $ac1\n\t" "wrdsp %5\n\t" "dmthlip %6, $ac1\n\t" "rddsp %0\n\t" "mfhi %1, $ac1\n\t" "mflo %2, $ac1\n\t" : "=r"(rsdsp), "=r"(acho), "=r"(aclo) : "r"(achi), "r"(acli), "r"(dsp), "r"(rs) ); if ((rsdsp != res) || (acho != reshi) || (aclo != reslo)) { printf("dmthlip error\n"); return -1; } return 0; }