1/* Test segment register getting. */
2
3#include <stdio.h>
4
5int main(void)
6{
7   unsigned short csw = -1;
8   unsigned int csl = -1;
9   unsigned long csq = -1;
10   unsigned short csw_mem = -1;
11
12   __asm__ __volatile__ (
13       "movw %%cs, %0\n" /* mov segReg, r16 */
14       "movl %%cs, %1\n" /* mov segReg, r32 */
15       "movq %%cs, %2\n" /* mov segReg, r64 */
16       "movw %%cs, %3\n" /* mov segReg, mem16 */
17       : "=r" (csw), "=r" (csl), "=r" (csq), "=m" (csw_mem));
18
19   printf("cs(w)=%u\n", csw);
20   printf("cs(l)=%u\n", csl);
21   printf("cs(q)=%lu\n", csq);
22   printf("cs(w_mem)=%u\n", csw_mem);
23
24   return 0;
25}
26