| #include "io.h" |
| |
| int main(void) |
| { |
| long long achi, acli, rs, rt; |
| long long acho, aclo; |
| long long resulth, resultl; |
| |
| rs = 0x00BBAACC; |
| rt = 0x0B1C3D2F; |
| achi = 0x00004433; |
| acli = 0xFFCC0011; |
| resulth = 0xFFFFFFFFFFF81F29; |
| resultl = 0xFFFFFFFFB355089D; |
| |
| __asm |
| ("mthi %2, $ac1\n\t" |
| "mtlo %3, $ac1\n\t" |
| "msubu $ac1, %4, %5\n\t" |
| "mfhi %0, $ac1\n\t" |
| "mflo %1, $ac1\n\t" |
| : "=r"(acho), "=r"(aclo) |
| : "r"(achi), "r"(acli), "r"(rs), "r"(rt) |
| ); |
| if ((acho != resulth) || (aclo != resultl)) { |
| printf("msubu wrong\n"); |
| |
| return -1; |
| } |
| |
| return 0; |
| } |