1  /* { dg-do compile { target { ! ia32 } } } */
       2  /* { dg-options "-O2 -mfsgsbase" } */
       3  /* { dg-final { scan-assembler "wrgsbase\[ \t]+(%|)(rdi|rcx)" } } */
       4  
       5  #include <immintrin.h>
       6  
       7  void
       8  write_gs_base64 (unsigned long long base)
       9  {
      10    _writegsbase_u64 (base);
      11  }