241ab36c0a
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>
32 lines
701 B
C
32 lines
701 B
C
/*
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* Test the VCKSM instruction.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "vx.h"
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int main(void)
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{
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S390Vector v1;
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S390Vector v2 = {
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.d[0] = 0xb2261c8140edce49ULL,
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.d[1] = 0x387bf5a433af39d1ULL,
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};
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S390Vector v3 = {
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.d[0] = 0x73b03d2c7f9e654eULL,
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.d[1] = 0x23d74e51fb479877ULL,
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};
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S390Vector exp = {.d[0] = 0xdedd7f8eULL, .d[1] = 0ULL};
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asm volatile("vcksm %[v1],%[v2],%[v3]"
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: [v1] "=v" (v1.v)
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: [v2] "v" (v2.v)
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, [v3] "v" (v3.v));
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assert(memcmp(&v1, &exp, sizeof(v1)) == 0);
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return EXIT_SUCCESS;
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}
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