1 /*
2 * Test the VCKSM instruction.
3 *
4 * SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 #include <assert.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include "vx.h"
10
main(void)11 int main(void)
12 {
13 S390Vector v1;
14 S390Vector v2 = {
15 .d[0] = 0xb2261c8140edce49ULL,
16 .d[1] = 0x387bf5a433af39d1ULL,
17 };
18 S390Vector v3 = {
19 .d[0] = 0x73b03d2c7f9e654eULL,
20 .d[1] = 0x23d74e51fb479877ULL,
21 };
22 S390Vector exp = {.d[0] = 0xdedd7f8eULL, .d[1] = 0ULL};
23
24 asm volatile("vcksm %[v1],%[v2],%[v3]"
25 : [v1] "=v" (v1.v)
26 : [v2] "v" (v2.v)
27 , [v3] "v" (v3.v));
28 assert(memcmp(&v1, &exp, sizeof(v1)) == 0);
29
30 return EXIT_SUCCESS;
31 }
32