summaryrefslogtreecommitdiff
path: root/tests/tcg/openrisc/test_mulu.c
blob: 2d1e97d16e202d578c2a7c9e2ac4a30b58d15121 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#include <stdio.h>

int main(void)
{
    int a, b, c;
    int result;

    b = 0x4;
    c = 0x1;
    result = 0x4;
    __asm
    ("l.mulu    %0, %1, %2\n\t"
     : "=r"(a)
     : "r"(b), "r"(c)
    );
    if (a != result) {
        printf("mulu error\n");
        return -1;
    }

    b = 0x1;
    c = 0x0;
    result = 0x0;
    __asm
    ("l.mulu    %0, %1, %2\n\t"
     : "=r"(a)
     : "r"(b), "r"(c)
    );
    if (a != result) {
        printf("mulu error\n");
        return -1;
    }

    b = 0x1;
    c = 0xff;
    result = 0xff;
    __asm
    ("l.mulu    %0, %1, %2\n\t"
     : "=r"(a)
     : "r"(b), "r"(c)
    );
    if (a != result) {
        printf("mulu error\n");
        return -1;
    }

    return 0;
}