1  /* Test QBBC recognition */
       2  
       3  /* { dg-do run } */
       4  /* { dg-options "-O1" } */
       5  
       6  /* -O1 in the options is significant.  Without it bit-check-and-branch
       7     operation may not be optimized to QBBC.  */
       8  
       9  extern void abort (void);
      10  
      11  unsigned int
      12  test_qbbc_reg (unsigned int a, unsigned int b, unsigned int val)
      13  {
      14    if (!(val & (1 << 19)))
      15      return a;
      16    return b;
      17  }
      18  
      19  int
      20  main (int argc, char** argv)
      21  {
      22    if (test_qbbc_reg (101, 505, (1u << 19)) != 505)
      23      abort();
      24    if (test_qbbc_reg (101, 505, (1u << 18)) != 101)
      25      abort();
      26  
      27    return 0;
      28  }
      29