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