1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -march=c64x+" } */
       3  /* { dg-final { scan-assembler-not "call" } } */
       4  
       5  int foo (int x)
       6  {
       7    return __builtin_bswap32 (x);
       8  }
       9  
      10  long long bar (long long x)
      11  {
      12    return __builtin_bswap64 (x);
      13  }