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
main(void)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 }
32