| #include "io.h" |
| |
| int main(void) |
| { |
| long long rd, rs, rt; |
| long long dspi, dspo; |
| long long result; |
| |
| rs = 0x10FF01FF; |
| rt = 0x10010001; |
| dspi = 0x00002000; |
| result = 0x21000201; |
| __asm |
| ("wrdsp %3\n" |
| "addwc %0, %1, %2\n\t" |
| : "=r"(rd) |
| : "r"(rs), "r"(rt), "r"(dspi) |
| ); |
| if (rd != result) { |
| printf("1 addwc wrong\n"); |
| |
| return -1; |
| } |
| |
| rs = 0xFFFF1111; |
| rt = 0x00020001; |
| dspi = 0x00; |
| result = 0x00011112; |
| __asm |
| ("wrdsp %3\n" |
| "addwc %0, %1, %2\n\t" |
| : "=r"(rd) |
| : "r"(rs), "r"(rt), "r"(dspi) |
| ); |
| if (rd != result) { |
| printf("2 addwc wrong\n"); |
| |
| return -1; |
| } |
| |
| rs = 0x8FFF1111; |
| rt = 0x80020001; |
| dspi = 0x00; |
| result = 0x10011112; |
| __asm |
| ("wrdsp %4\n" |
| "addwc %0, %2, %3\n\t" |
| "rddsp %1\n\t" |
| : "=r"(rd), "=r"(dspo) |
| : "r"(rs), "r"(rt), "r"(dspi) |
| ); |
| if ((rd != result) || (((dspo >> 20) & 0x01) != 1)) { |
| printf("3 addwc wrong\n"); |
| |
| return -1; |
| } |
| |
| return 0; |
| } |