#include "io.h" | |
int main(void) | |
{ | |
long long rt, rs; | |
long long res; | |
rt = 0x1234567887654321; | |
rs = 0xabcd1234abcd8765; | |
res = 0x1234567887654321; | |
__asm | |
("prependw %0, %1, 0x0\n\t" | |
: "=r"(rt) | |
: "r"(rs) | |
); | |
if (rt != res) { | |
printf("prependw error\n"); | |
return -1; | |
} | |
rt = 0x1234567887654321; | |
rs = 0xabcd1234abcd8765; | |
res = 0x5123456788765432; | |
__asm | |
("prependw %0, %1, 0x4\n\t" | |
: "=r"(rt) | |
: "r"(rs) | |
); | |
if (rt != res) { | |
printf("prependw error\n"); | |
return -1; | |
} | |
return 0; | |
} |