| 1 | #include <unistd.h> |
| 2 | |
| 3 | int main(void) |
| 4 | { |
| 5 | char data[] = {0xaa, 0xaa, 0xf1, 0xf2, 0xf3, 0xc4, 0xaa, 0xaa}; |
| 6 | char exp[] = {0xaa, 0xaa, 0x00, 0x01, 0x23, 0x4c, 0xaa, 0xaa}; |
| 7 | int i; |
| 8 | |
| 9 | asm volatile( |
| 10 | " pack 2(4,%[data]),2(4,%[data])\n" |
| 11 | : |
| 12 | : [data] "a" (&data[0]) |
| 13 | : "memory"); |
| 14 | for (i = 0; i < 8; i++) { |
| 15 | if (data[i] != exp[i]) { |
| 16 | write(1, "bad data\n", 9); |
| 17 | return 1; |
| 18 | } |
| 19 | } |
| 20 | return 0; |
| 21 | } |