| #include"io.h" |
| |
| int main(void) |
| { |
| long long rd, rs, rt, dsp; |
| long long result, resultdsp; |
| |
| rs = 0x03FB1234; |
| rt = 0x0BCC4321; |
| result = 0x7fff7FFF; |
| resultdsp = 1; |
| |
| __asm |
| ("mul_s.ph %0, %2, %3\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rd), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| dsp = (dsp >> 21) & 0x01; |
| if (rd != result || dsp != resultdsp) { |
| printf("1 mul_s.ph error\n"); |
| return -1; |
| } |
| |
| rs = 0x7fffff00; |
| rt = 0xff007fff; |
| result = 0xffffffff80008000; |
| resultdsp = 1; |
| |
| __asm |
| ("mul_s.ph %0, %2, %3\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rd), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| dsp = (dsp >> 21) & 0x01; |
| if (rd != result || dsp != resultdsp) { |
| printf("2 mul_s.ph error\n"); |
| return -1; |
| } |
| |
| dsp = 0; |
| __asm |
| ("wrdsp %0\n\t" |
| : |
| : "r"(dsp) |
| ); |
| |
| rs = 0x00320001; |
| rt = 0x00210002; |
| result = 0x06720002; |
| resultdsp = 0; |
| |
| __asm |
| ("mul_s.ph %0, %2, %3\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rd), "=r"(dsp) |
| : "r"(rs), "r"(rt) |
| ); |
| dsp = (dsp >> 21) & 0x01; |
| if (rd != result || dsp != resultdsp) { |
| printf("3 mul_s.ph error\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |