1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -msse2 -mno-avx" } */
       3  
       4  void memset_pattern_seg_gs(unsigned char * __seg_gs *s, long n)
       5  {
       6    for (long i = 0; i < n; ++i)
       7      s[i] = 0;
       8  }
       9  
      10  /* { dg-final { scan-assembler "mov\[au\]p.\[ \t\]\[^,\]+, %gs:" } } */