| 1 | /* |
| 2 | * Test the EPSW instruction. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 5 | */ |
| 6 | #include <assert.h> |
| 7 | #include <stdlib.h> |
| 8 | |
| 9 | int main(void) |
| 10 | { |
| 11 | unsigned long r1 = 0x1234567887654321UL, r2 = 0x8765432112345678UL; |
| 12 | |
| 13 | asm("cr %[r1],%[r2]\n" /* cc = 1 */ |
| 14 | "epsw %[r1],%[r2]" |
| 15 | : [r1] "+r" (r1), [r2] "+r" (r2) : : "cc"); |
| 16 | |
| 17 | /* Do not check the R and RI bits. */ |
| 18 | r1 &= ~0x40000008UL; |
| 19 | assert(r1 == 0x1234567807051001UL); |
| 20 | assert(r2 == 0x8765432180000000UL); |
| 21 | |
| 22 | return EXIT_SUCCESS; |
| 23 | } |