| 1 | /* |
| 2 | * Test the LOAD ADDRESS EXTENDED 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 long ar = -1, b2 = 100000, r, x2 = 500; |
| 12 | /* |
| 13 | * Hardcode the register number, since clang does not allow using %rN in |
| 14 | * place of %aN. |
| 15 | */ |
| 16 | register unsigned long long r2 __asm__("2"); |
| 17 | int tmp; |
| 18 | |
| 19 | asm("ear %[tmp],%%a2\n" |
| 20 | "lae %%r2,42(%[x2],%[b2])\n" |
| 21 | "ear %[ar],%%a2\n" |
| 22 | "sar %%a2,%[tmp]" |
| 23 | : [tmp] "=&r" (tmp), "=&r" (r2), [ar] "+r" (ar) |
| 24 | : [b2] "r" (b2), [x2] "r" (x2) |
| 25 | : "memory"); |
| 26 | r = r2; |
| 27 | assert(ar == 0xffffffff00000000ULL); |
| 28 | assert(r == 100542); |
| 29 | |
| 30 | return EXIT_SUCCESS; |
| 31 | } |