1d901eff3SJia Liu #include <stdio.h>
2d901eff3SJia Liu
main(void)3d901eff3SJia Liu int main(void)
4d901eff3SJia Liu {
5d901eff3SJia Liu int a, b, c;
6d901eff3SJia Liu int result;
7d901eff3SJia Liu
8d901eff3SJia Liu b = 0x01;
9d901eff3SJia Liu c = 0xffffffff;
10*14a650ecSSebastian Macke result = 0;
11d901eff3SJia Liu __asm
12*14a650ecSSebastian Macke ("l.add r1, r1, r0\n\t" /* clear carry */
13*14a650ecSSebastian Macke "l.addc %0, %1, %2\n\t"
14d901eff3SJia Liu : "=r"(a)
15d901eff3SJia Liu : "r"(b), "r"(c)
16d901eff3SJia Liu );
17d901eff3SJia Liu if (a != result) {
18d901eff3SJia Liu printf("first addc error\n");
19d901eff3SJia Liu return -1;
20d901eff3SJia Liu }
21d901eff3SJia Liu
22d901eff3SJia Liu b = 0x01;
23d901eff3SJia Liu c = 0xffffffff;
24d901eff3SJia Liu result = 0x80000001;
25d901eff3SJia Liu __asm
26*14a650ecSSebastian Macke ("l.add r1, r1, r0\n\t" /* clear carry */
27*14a650ecSSebastian Macke "l.addc %0, %1, %2\n\t"
28d901eff3SJia Liu "l.movhi %2, 0x7fff\n\t"
29d901eff3SJia Liu "l.ori %2, %2, 0xffff\n\t"
30d901eff3SJia Liu "l.addc %0, %1, %2\n\t"
31d901eff3SJia Liu : "=r"(a)
32d901eff3SJia Liu : "r"(b), "r"(c)
33d901eff3SJia Liu );
34d901eff3SJia Liu if (a != result) {
35d901eff3SJia Liu printf("addc error\n");
36d901eff3SJia Liu return -1;
37d901eff3SJia Liu }
38d901eff3SJia Liu
39d901eff3SJia Liu return 0;
40d901eff3SJia Liu }
41