1  /* { dg-do compile } */
       2  
       3  void 
       4  foo (int *data, unsigned len, const int qlp_coeff[], int lp, int residual[])
       5  {
       6    int i;
       7    int sum;
       8    for(i = 0; i < (int)len; i++)
       9      {     
      10        sum = 0;   
      11        sum += qlp_coeff[1] * data[i-2];   
      12        sum += qlp_coeff[0] * data[i-1];   
      13        residual[i] = data[i] - (sum >> lp);
      14      }    
      15  }
      16