mono/benchmark/divun.cs

   1 using System;
   2
   3 class X {
   4
   5         public static int DivUn(int x) {
   6                 x *= 163859;
   7                 x = (int) ((uint)x / 5);
   8                 x = (int) ((uint)x / 25);
   9                 x = (int) ((uint)x / 10);
  10                 x = (int) ((uint)x / 128);
  11                 x = (int) ((uint)x / 43);
  12                 x = (int) ((uint)x / 2);
  13                 x = (int) ((uint)x / 4);
  14                 x = (int) ((uint)x / 1);
  15                 return x;
  16         }
  17
  18         public static int Main() {
  19                 int x = 1;
  20                 for (int i=0; i < 100000000; ++i) x += DivUn(12345);
  21                 // x |= -1; // check for overflow case
  22                 x = (int) ((uint)x / 1025);
  23                 return x;
  24         }
  25
  26 }