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/*
* Test the VSTL instruction.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <assert.h>
#include <stdlib.h>
#include "vx.h"
static inline void vstl(S390Vector *v1, void *db2, size_t r3)
{
asm("vstl %[v1],%[r3],%[db2]"
: [db2] "=Q" (*(char *)db2)
: [v1] "v" (v1->v), [r3] "r" (r3)
: "memory");
}
int main(void)
{
uint64_t buf[3] = {0x1122334455667788ULL, 0x99aabbccddeeffULL,
0x5a5a5a5a5a5a5a5aULL};
S390Vector v = {.d[0] = 0x1234567887654321ULL,
.d[1] = 0x9abcdef00fedcba9ULL};
vstl(&v, buf, 0);
assert(buf[0] == 0x1222334455667788ULL);
vstl(&v, buf, 1);
assert(buf[0] == 0x1234334455667788ULL);
vstl(&v, buf, -1);
assert(buf[0] == 0x1234567887654321ULL);
assert(buf[1] == 0x9abcdef00fedcba9ULL);
assert(buf[2] == 0x5a5a5a5a5a5a5a5aULL);
return EXIT_SUCCESS;
}
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