| #include<stdio.h> |
| #include<assert.h> |
| |
| int main() |
| { |
| int rd, rs, rt; |
| int dsp; |
| int result; |
| |
| rs = 0x10FF01FF; |
| rt = 0x10010001; |
| result = 0x20FF01FF; |
| __asm |
| ("addu_s.qb %0, %2, %3\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rd), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| assert(rd == result); |
| assert(((dsp >> 20) & 0x1) == 1); |
| |
| rs = 0xFFFF1111; |
| rt = 0x00020001; |
| result = 0xFFFF1112; |
| __asm |
| ("addu_s.qb %0, %2, %3\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rd), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| assert(rd == result); |
| assert(((dsp >> 20) & 0x1) == 1); |
| |
| return 0; |
| } |