1 /*
2 * Test the LOCFHR instruction.
3 *
4 * SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 #include <assert.h>
7 #include <stdlib.h>
8
9 static inline __attribute__((__always_inline__)) long
locfhr(long r1,long r2,int m3,int cc)10 locfhr(long r1, long r2, int m3, int cc)
11 {
12 cc <<= 28;
13 asm("spm %[cc]\n"
14 "locfhr %[r1],%[r2],%[m3]\n"
15 : [r1] "+r" (r1)
16 : [cc] "r" (cc), [r2] "r" (r2), [m3] "i" (m3)
17 : "cc");
18 return r1;
19 }
20
main(void)21 int main(void)
22 {
23 assert(locfhr(0x1111111122222222, 0x3333333344444444, 8, 0) ==
24 0x3333333322222222);
25 assert(locfhr(0x5555555566666666, 0x7777777788888888, 11, 1) ==
26 0x5555555566666666);
27
28 return EXIT_SUCCESS;
29 }
30