1  /* { dg-do compile } */
       2  /* { dg-additional-options "-msse4" { target x86_64-*-* i?86-*-* } } */
       3  
       4  int *a, *b;
       5  void fn1(char *p1)
       6  {
       7    int x;
       8    for (; x; x += 2)
       9      {
      10        a[x] = p1[0];
      11        a[x + 1] = 0;
      12        b[x] = b[x + 1] = p1[1];
      13        p1 += 4;
      14      }
      15  }