1  /* { dg-do compile { target int128 } } */
       2  /* { dg-options "-O2 -msse4.1 -mstv -mno-stackrealign" } */
       3  
       4  __int128 a[16];
       5  __int128 b[16];
       6  
       7  int foo()
       8  {
       9    for (unsigned int i=0; i<16; i++)
      10      if (a[i] == b[i])
      11        return i;
      12    return -1;
      13  }
      14  
      15  /* { dg-final { scan-assembler "ptest" } } */