| 1 | #include<stdio.h> |
| 2 | #include<assert.h> |
| 3 | |
| 4 | int main() |
| 5 | { |
| 6 | int rs, rt; |
| 7 | int result; |
| 8 | |
| 9 | rs = 0x12345678; |
| 10 | rt = 0x87654321; |
| 11 | result = 0x87654321; |
| 12 | __asm |
| 13 | ("prepend %0, %1, 0x00\n\t" |
| 14 | : "+r"(rt) |
| 15 | : "r"(rs) |
| 16 | ); |
| 17 | assert(rt == result); |
| 18 | |
| 19 | rs = 0x12345678; |
| 20 | rt = 0x87654321; |
| 21 | result = 0xACF10ECA; |
| 22 | __asm |
| 23 | ("prepend %0, %1, 0x0F\n\t" |
| 24 | : "+r"(rt) |
| 25 | : "r"(rs) |
| 26 | ); |
| 27 | assert(rt == result); |
| 28 | |
| 29 | return 0; |
| 30 | } |