text: /* { dg-do compile { target { ! ia32 } } } */
  /* { dg-options "-O2 -mfsgsbase" } */
  /* { dg-final { scan-assembler "wrfsbase\[ \t]+(%|)(rdi|rcx)" } } */
  
  #include <immintrin.h>
  
  void
  write_fs_base64 (unsigned long long base)
  {
    _writefsbase_u64 (base);
  }
  