1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  #define SHIFT ((8*__SIZEOF_INT__)-1)
       5  
       6  int test_rshift_1(int x)
       7  {
       8    int t = x >> SHIFT;
       9    return -t;
      10  }
      11  
      12  int test_rshift_2(int x)
      13  {
      14    unsigned int t = (unsigned int)x >> SHIFT;
      15    return -t;
      16  }
      17  
      18  int test_rshift_3(int x)
      19  {
      20    int t = (unsigned int)x >> SHIFT;
      21    return -t;
      22  }
      23  
      24  int test_rshift_4(int x)
      25  {
      26    unsigned int t = x >> SHIFT;
      27    return -t;
      28  }
      29  
      30  double test_mul_1(double x)
      31  {
      32    double t = -5.0 * x;
      33    return -t;
      34  }
      35  
      36  double test_mul_2(double x, double y)
      37  {
      38    double t1 = -x;
      39    double t2 = t1 * y;
      40    return -t2;
      41  }
      42  
      43  double test_rdiv_1(double x, double y)
      44  {
      45    double t1 = -x;
      46    double t2 = t1 / y;
      47    return -t2;
      48  }
      49  
      50  double test_rdiv_2(double x, double y)
      51  {
      52    double t1 = -y;
      53    double t2 = x / t1;
      54    return -t2;
      55  }
      56  
      57  /* { dg-final { scan-tree-dump-not " -" "optimized" } } */
      58