| 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 |
| 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 | |
| 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 | } |