| 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 | |
| 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 | } |