qemu/tests/tcg/s390x/vcksm.c
Ilya Leoshkevich 241ab36c0a tests/tcg/s390x: Test VCKSM
Add a small test to prevent regressions.

Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-15-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-07-24 18:44:48 +02:00

32 lines
701 B
C

/*
* Test the VCKSM instruction.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "vx.h"
int main(void)
{
S390Vector v1;
S390Vector v2 = {
.d[0] = 0xb2261c8140edce49ULL,
.d[1] = 0x387bf5a433af39d1ULL,
};
S390Vector v3 = {
.d[0] = 0x73b03d2c7f9e654eULL,
.d[1] = 0x23d74e51fb479877ULL,
};
S390Vector exp = {.d[0] = 0xdedd7f8eULL, .d[1] = 0ULL};
asm volatile("vcksm %[v1],%[v2],%[v3]"
: [v1] "=v" (v1.v)
: [v2] "v" (v2.v)
, [v3] "v" (v3.v));
assert(memcmp(&v1, &exp, sizeof(v1)) == 0);
return EXIT_SUCCESS;
}