| 1 | #include <stdio.h> |
| 2 | |
| 3 | int main(void) |
| 4 | { |
| 5 | int a, b, c; |
| 6 | int result; |
| 7 | |
| 8 | a = 1; |
| 9 | result = 0x0; |
| 10 | __asm |
| 11 | ("l.add r1, r1, r0\n\t" /* clear carry */ |
| 12 | "l.addic %0, %0, 0xffff\n\t" |
| 13 | : "+r"(a) |
| 14 | ); |
| 15 | if (a != result) { |
| 16 | printf("first addic error\n"); |
| 17 | return -1; |
| 18 | } |
| 19 | |
| 20 | a = -1; |
| 21 | result = 0x201; |
| 22 | __asm |
| 23 | ("l.add r1, r1, r0\n\t" /* clear carry */ |
| 24 | "l.addic %0, %0, 0x1\n\t" |
| 25 | "l.ori %0, r0, 0x100\n\t" |
| 26 | "l.addic %0, %0, 0x100\n\t" |
| 27 | : "+r"(a) |
| 28 | ); |
| 29 | if (a != result) { |
| 30 | printf("second addic error\n"); |
| 31 | return -1; |
| 32 | } |
| 33 | |
| 34 | return 0; |
| 35 | } |