VPDPWSSD X2, X2, K3, X18                           // 62e26d0b52d2
	VPDPWSSD X27, X2, K3, X18                          // 62826d0b52d3
	VPDPWSSD X26, X2, K3, X18                          // 62826d0b52d2
	VPDPWSSD (SI), X2, K3, X18                         // 62e26d0b5216
	VPDPWSSD 7(SI)(DI*2), X2, K3, X18                  // 62e26d0b52947e07000000
	VPDPWSSD X2, X24, K3, X18                          // 62e23d0352d2

	VRCP28SD X25, X14, K4, X2                          // 62928d0ccbd1
	VRCP28SD X11, X14, K4, X2                          // 62d28d0ccbd3
	VRCP28SD X17, X14, K4, X2                          // 62b28d0ccbd1
	VRCP28SD X25, X0, K4, X2                           // 6292fd0ccbd1
	VRCP28SD X11, X0, K4, X2                           // 62d2fd0ccbd3
	VRCP28SD X17, X0, K4, X2                           // 62b2fd0ccbd1

	VPERMB -7(DI)(R8*2), X20, K1, X23                  // 62a25d018dbc47f9ffffff
	VPERMB X26, X2, K1, X23                            // 62826d098dfa
	VPERMB X19, X2, K1, X23                            // 62a26d098dfb
	VPERMB X0, X2, K1, X23                             // 62e26d098df8
	VPERMB 7(SI)(DI*4), X2, K1, X23                    // 62e26d098dbcbe07000000
	VPERMB -7(DI)(R8*2), X2, K1, X23                   // 62a26d098dbc47f9ffffff

	VPOPCNTW 99(R15), K3, X23                          // 62c2fd0b54bf63000000
	VPOPCNTW X20, K3, X2                               // 62b2fd0b54d4
	VPOPCNTW X5, K3, X2                                // 62f2fd0b54d5
	VPOPCNTW X25, K3, X2                               // 6292fd0b54d1
	VPOPCNTW (CX), K3, X2                              // 62f2fd0b5411
	VPOPCNTW 99(R15), K3, X2                           // 62d2fd0b549763000000

   * @throws X1 when the given throwable is of the declared type X1
   * @throws X2 when the given throwable is of the declared type X2
   */
  public <X1 extends Exception, X2 extends Exception> RuntimeException rethrow(
      Throwable e, Class<X1> declaredType1, Class<X2> declaredType2) throws IOException, X1, X2 {
    checkNotNull(e);
    thrown = e;
    throwIfInstanceOf(e, IOException.class);

      int result = BigIntegerMath.log2(x, HALF_UP);
      BigInteger x2 = x.pow(2);
      // x^2 < 2^(2 * result + 1), or else we would have rounded up
      assertTrue(ZERO.setBit(2 * result + 1).compareTo(x2) > 0);
      // x^2 >= 2^(2 * result - 1), or else we would have rounded down
      assertTrue(result == 0 || ZERO.setBit(2 * result - 1).compareTo(x2) <= 0);
    }
  }

  public void testLog2HalfDown() {

      int result = BigIntegerMath.log2(x, HALF_UP);
      BigInteger x2 = x.pow(2);
      // x^2 < 2^(2 * result + 1), or else we would have rounded up
      assertTrue(ZERO.setBit(2 * result + 1).compareTo(x2) > 0);
      // x^2 >= 2^(2 * result - 1), or else we would have rounded down
      assertTrue(result == 0 || ZERO.setBit(2 * result - 1).compareTo(x2) <= 0);
    }
  }

  public void testLog2HalfDown() {

        //
        // To determine which side of logFloor.5 the logarithm is,
        // we compare x^2 to 2^(2 * logFloor + 1).
        BigInteger x2 = x.pow(2);
        int logX2Floor = x2.bitLength() - 1;
        return (logX2Floor < 2 * logFloor + 1) ? logFloor : logFloor + 1;

      default:
        throw new AssertionError();
    }
  }

  /*

      retVal &= Enums.getIfPresent(enumType, sampleData[i & 255]).isPresent();
    }
    return retVal;
  }

  private enum SmallEnum {
    X0,
    X1,
    X2
  }

  private enum MediumEnum {
    X0,
    X1,
    X2,
    X3,
    X4,
    X5,
    X6,
    X7,
    X8,
    X9,
    X10,
    X11,
    X12,
    X13,
    X14,
    X15,
    X16,
    X17,

      retVal &= Enums.getIfPresent(enumType, sampleData[i & 255]).isPresent();
    }
    return retVal;
  }

  private enum SmallEnum {
    X0,
    X1,
    X2
  }

  private enum MediumEnum {
    X0,
    X1,
    X2,
    X3,
    X4,
    X5,
    X6,
    X7,
    X8,
    X9,
    X10,
    X11,
    X12,
    X13,
    X14,
    X15,
    X16,
    X17,