RFR: [dio-25] Support 64 bits platforms

[Alexander Mironenko]

Hi,
Minor, I would change Handle.hashCode() to 
     public int hashCode() {
        return ((int)device_reference) ^ ((int)(device_reference >>> Integer.SIZE)) ;
     }
Other places look good to me.
Regards,
Alex

> On Sep 15, 2017, at 9:24 AM, Sergey Nazarkin <snazarkin at azul.com> wrote:
> 
> Hi!
> 
> please review modification [1]  that adds 64 bits systems support.  This update breaks compatibility with JavaME binaries if any exists, though API is unchanged so no application should be affected. 
> 
> I perform only rough tests with GPIO and UART, and would appreciate if someone test SPI and I2C. 
> 
> 
> [1] http://cr.openjdk.java.net/~snazarki/dio-25/
> [2] https://bugs.openjdk.java.net/browse/DIO-25
> 
> Sergey Nazarkin
> 
> 
> 
>