qemu/tests/tcg/s390x/locfhr.c

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/*
* Test the LOCFHR instruction.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <assert.h>
#include <stdlib.h>
static inline __attribute__((__always_inline__)) long
locfhr(long r1, long r2, int m3, int cc)
{
cc <<= 28;
asm("spm %[cc]\n"
"locfhr %[r1],%[r2],%[m3]\n"
: [r1] "+r" (r1)
: [cc] "r" (cc), [r2] "r" (r2), [m3] "i" (m3)
: "cc");
return r1;
}
int main(void)
{
assert(locfhr(0x1111111122222222, 0x3333333344444444, 8, 0) ==
0x3333333322222222);
assert(locfhr(0x5555555566666666, 0x7777777788888888, 11, 1) ==
0x5555555566666666);
return EXIT_SUCCESS;
}