| 1 | #include<stdio.h> |
| 2 | #include<assert.h> |
| 3 | |
| 4 | int main() |
| 5 | { |
| 6 | int achi, acli, rs, rt; |
| 7 | int acho, aclo; |
| 8 | int resulth, resultl; |
| 9 | |
| 10 | rs = 0x00BBAACC; |
| 11 | rt = 0x0B1C3D2F; |
| 12 | achi = 0x00004433; |
| 13 | acli = 0xFFCC0011; |
| 14 | resulth = 0xFFF81F29; |
| 15 | resultl = 0xB355089D; |
| 16 | |
| 17 | __asm |
| 18 | ("mthi %2, $ac1\n\t" |
| 19 | "mtlo %3, $ac1\n\t" |
| 20 | "msubu $ac1, %4, %5\n\t" |
| 21 | "mfhi %0, $ac1\n\t" |
| 22 | "mflo %1, $ac1\n\t" |
| 23 | : "=r"(acho), "=r"(aclo) |
| 24 | : "r"(achi), "r"(acli), "r"(rs), "r"(rt) |
| 25 | ); |
| 26 | assert(acho == resulth); |
| 27 | assert(aclo == resultl); |
| 28 | |
| 29 | return 0; |
| 30 | } |