63     public static int int_index_mul(sun.misc.Unsafe unsafe, long base, int index) throws Exception {
  64       return unsafe.getInt(base + (index * 4));
  65     }
  66     public static int long_index_mul(sun.misc.Unsafe unsafe, long base, long index) throws Exception {
  67       return unsafe.getInt(base + (index * 4));
  68     }
  69     public static int int_index_mul_scale_16(sun.misc.Unsafe unsafe, long base, int index) throws Exception {
  70       return unsafe.getInt(base + (index * 16));
  71     }
  72     public static int long_index_mul_scale_16(sun.misc.Unsafe unsafe, long base, long index) throws Exception {
  73       return unsafe.getInt(base + (index * 16));
  74     }
  75   }
  76 
  77   public static void main(String[] args) throws Exception {
  78     sun.misc.Unsafe unsafe = Utils.getUnsafe();
  79     final int array_size = 128;
  80     final int element_size = 4;
  81     final int magic = 0x12345678;
  82 
  83     Random rnd = new Random();
  84 
  85     long array = unsafe.allocateMemory(array_size * element_size); // 128 ints
  86     long addr = array + array_size * element_size / 2; // something in the middle to work with
  87     unsafe.putInt(addr, magic);
  88     for (int j = 0; j < 100000; j++) {
  89        if (Tests.int_index(unsafe, addr, 0) != magic) throw new Exception();
  90        if (Tests.long_index(unsafe, addr, 0) != magic) throw new Exception();
  91        if (Tests.int_index_mul(unsafe, addr, 0) != magic) throw new Exception();
  92        if (Tests.long_index_mul(unsafe, addr, 0) != magic) throw new Exception();
  93        {
  94          long idx1 = rnd.nextLong();
  95          long addr1 = addr - (idx1 << 2);
  96          if (Tests.long_index(unsafe, addr1, idx1) != magic) throw new Exception();
  97        }
  98        {
  99          long idx2 = rnd.nextLong();
 100          long addr2 = addr - (idx2 >> 2);
 101          if (Tests.long_index_back_ashift(unsafe, addr2, idx2) != magic) throw new Exception();
 102        }
 103        {

  63     public static int int_index_mul(sun.misc.Unsafe unsafe, long base, int index) throws Exception {
  64       return unsafe.getInt(base + (index * 4));
  65     }
  66     public static int long_index_mul(sun.misc.Unsafe unsafe, long base, long index) throws Exception {
  67       return unsafe.getInt(base + (index * 4));
  68     }
  69     public static int int_index_mul_scale_16(sun.misc.Unsafe unsafe, long base, int index) throws Exception {
  70       return unsafe.getInt(base + (index * 16));
  71     }
  72     public static int long_index_mul_scale_16(sun.misc.Unsafe unsafe, long base, long index) throws Exception {
  73       return unsafe.getInt(base + (index * 16));
  74     }
  75   }
  76 
  77   public static void main(String[] args) throws Exception {
  78     sun.misc.Unsafe unsafe = Utils.getUnsafe();
  79     final int array_size = 128;
  80     final int element_size = 4;
  81     final int magic = 0x12345678;
  82 
  83     Random rnd = Utils.getRandomInstance();
  84 
  85     long array = unsafe.allocateMemory(array_size * element_size); // 128 ints
  86     long addr = array + array_size * element_size / 2; // something in the middle to work with
  87     unsafe.putInt(addr, magic);
  88     for (int j = 0; j < 100000; j++) {
  89        if (Tests.int_index(unsafe, addr, 0) != magic) throw new Exception();
  90        if (Tests.long_index(unsafe, addr, 0) != magic) throw new Exception();
  91        if (Tests.int_index_mul(unsafe, addr, 0) != magic) throw new Exception();
  92        if (Tests.long_index_mul(unsafe, addr, 0) != magic) throw new Exception();
  93        {
  94          long idx1 = rnd.nextLong();
  95          long addr1 = addr - (idx1 << 2);
  96          if (Tests.long_index(unsafe, addr1, idx1) != magic) throw new Exception();
  97        }
  98        {
  99          long idx2 = rnd.nextLong();
 100          long addr2 = addr - (idx2 >> 2);
 101          if (Tests.long_index_back_ashift(unsafe, addr2, idx2) != magic) throw new Exception();
 102        }
 103        {