| #include "io.h" |
| |
| int main(void) |
| { |
| long long rt; |
| long long achi, acli; |
| long long res; |
| |
| achi = 0x87654321; |
| acli = 0x12345678; |
| |
| res = 0x123456; |
| |
| __asm |
| ("mthi %1, $ac1\n\t" |
| "mtlo %2, $ac1\n\t" |
| "dextr.w %0, $ac1, 0x8\n\t" |
| : "=r"(rt) |
| : "r"(achi), "r"(acli) |
| ); |
| if (rt != res) { |
| printf("dextr.w error\n"); |
| return -1; |
| } |
| |
| achi = 0x87654321; |
| acli = 0x12345678; |
| |
| res = 0x12345678; |
| |
| __asm |
| ("mthi %1, $ac1\n\t" |
| "mtlo %2, $ac1\n\t" |
| "dextr.w %0, $ac1, 0x0\n\t" |
| : "=r"(rt) |
| : "r"(achi), "r"(acli) |
| ); |
| if (rt != res) { |
| printf("dextr.w error\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |