1  /* { dg-do compile } */
       2  /* { dg-options "-march=armv8-a+ls64 -O2" } */
       3  
       4  #ifndef __ARM_FEATURE_LS64
       5  #error "__ARM_FEATURE_LS64 is not defined but should be!"
       6  #endif
       7  
       8  #include <arm_acle.h>
       9  
      10  void
      11  func(void *addr, data512_t value) {
      12      __arm_st64b (addr, value);
      13  }
      14  
      15  /* { dg-final { scan-assembler-times {st64b\t} 1 } } */