1  /* { dg-do compile } */
       2  /* { dg-options "-O" } */
       3  
       4  int check_zero_byte(int v)
       5  {
       6    return (v - 0x01010101) & ~v & 0x80808080;
       7  }
       8  
       9  /* { dg-final { scan-assembler-not "movi" } } */