1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -msse4.1" } */
       3  
       4  int signbit (__float128);
       5  
       6  __float128 x;
       7  
       8  int __test_1(void)
       9  {
      10    return signbit (x);
      11  }
      12  
      13  /* { dg-final { scan-assembler-not "signbit" } } */