| 1 | #include<stdio.h> |
| 2 | #include<assert.h> |
| 3 | |
| 4 | int main() |
| 5 | { |
| 6 | int rt, rs; |
| 7 | int achi, acli; |
| 8 | int acho, aclo; |
| 9 | int resulth, resultl; |
| 10 | |
| 11 | achi = 0x05; |
| 12 | acli = 0xB4CB; |
| 13 | rs = 0x01; |
| 14 | rt = 0x01; |
| 15 | resulth = 0x05; |
| 16 | resultl = 0xB4CC; |
| 17 | |
| 18 | __asm |
| 19 | ("mthi %2, $ac1\n\t" |
| 20 | "mtlo %3, $ac1\n\t" |
| 21 | "madd $ac1, %4, %5\n\t" |
| 22 | "mfhi %0, $ac1\n\t" |
| 23 | "mflo %1, $ac1\n\t" |
| 24 | : "=r"(acho), "=r"(aclo) |
| 25 | : "r"(achi), "r"(acli), "r"(rs), "r"(rt) |
| 26 | ); |
| 27 | assert(resulth == acho); |
| 28 | assert(resultl == aclo); |
| 29 | |
| 30 | return 0; |
| 31 | } |