| #include "io.h" |
| |
| int main(void) |
| { |
| long long rt, rs, dsp; |
| long long achi, acli; |
| long long res, resdsp, resdsppos; |
| int rsdsp; |
| int tmp1, tmp2; |
| |
| rsdsp = 0xabcd1234; |
| rs = 0x7; |
| achi = 0x12345678; |
| acli = 0x87654321; |
| res = 0xff; |
| resdsp = 0x0; |
| resdsppos = 0x2c; |
| |
| __asm |
| ("mthi %2, $ac1\n\t" |
| "mtlo %3, $ac1\n\t" |
| "wrdsp %4, 0x1\n\t" |
| "wrdsp %4\n\t" |
| "dextpdpv %0, $ac1, %5\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rt), "=r"(dsp) |
| : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs) |
| ); |
| |
| tmp1 = (dsp >> 14) & 0x1; |
| tmp2 = dsp & 0x3f; |
| |
| if ((tmp1 != resdsp) || (rt != res) || (tmp2 != resdsppos)) { |
| printf("dextpdpv error\n"); |
| return -1; |
| } |
| |
| rsdsp = 0xabcd1200; |
| rs = 0x7; |
| achi = 0x12345678; |
| acli = 0x87654321; |
| resdsp = 0x1; |
| |
| __asm |
| ("mthi %2, $ac1\n\t" |
| "mtlo %3, $ac1\n\t" |
| "wrdsp %4, 0x1\n\t" |
| "wrdsp %4\n\t" |
| "dextpdpv %0, $ac1, %5\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rt), "=r"(dsp) |
| : "r"(achi), "r"(acli), "r"(rsdsp), "r"(rs) |
| ); |
| |
| tmp1 = (dsp >> 14) & 0x1; |
| |
| if (tmp1 != resdsp) { |
| printf("dextpdpv error\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |