1  /* PR target/55147 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O1" } */
       4  /* { dg-additional-options "-march=i486" { target ia32 } } */
       5  
       6  extern void abort (void);
       7  
       8  __attribute__((noclone, noinline)) unsigned int
       9  foo (unsigned long long *p, int i)
      10  {
      11    return __builtin_bswap64 (p[i]);
      12  }
      13  
      14  int
      15  main ()
      16  {
      17    unsigned long long p[64];
      18    int i;
      19    for (i = 0; i < 64; i++)
      20      p[i] = 0x123456789abcdef0ULL ^ (1ULL << i) ^ (1ULL << (63 - i));
      21    for (i = 0; i < 64; i++)
      22      if (foo (p, i) != __builtin_bswap32 (p[i] >> 32))
      23        abort ();
      24    return 0;
      25  }