| #include "io.h" |
| |
| int main(void) |
| { |
| long long rt, dsp; |
| long long achi, acli; |
| long long res, resdsp; |
| |
| achi = 0x87654321; |
| acli = 0x12345678; |
| |
| res = 0x8000000000000000; |
| resdsp = 0x1; |
| |
| __asm |
| ("mthi %2, $ac1\n\t" |
| "mtlo %3, $ac1\n\t" |
| "dextr_rs.l %0, $ac1, 0x8\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rt), "=r"(dsp) |
| : "r"(achi), "r"(acli) |
| ); |
| dsp = (dsp >> 23) & 0x1; |
| |
| if ((dsp != resdsp) || (rt != res)) { |
| printf("dextr_rs.l error\n"); |
| return -1; |
| } |
| |
| achi = 0x00; |
| acli = 0x12345678; |
| |
| res = 0x12345678; |
| resdsp = 0x1; |
| |
| __asm |
| ("mthi %2, $ac1\n\t" |
| "mtlo %3, $ac1\n\t" |
| "dextr_rs.l %0, $ac1, 0x0\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rt), "=r"(dsp) |
| : "r"(achi), "r"(acli) |
| ); |
| dsp = (dsp >> 23) & 0x1; |
| |
| if ((dsp != resdsp) || (rt != res)) { |
| printf("dextr_rs.l error\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |