[9] RFR (S): 8161720: Better byte behavior for off-heap data

[Paul Sandoz]

> On 25 Aug 2016, at 10:47, Zoltán Majó <zoltan.majo at oracle.com> wrote:
> 
> Here is the updated webrev (relative to Vladimir Ivanov's latest 8155635 and 8162101 changes):
> - hotspot: http://cr.openjdk.java.net/~zmajo/8161720/webrev.02/hotspot/ <http://cr.openjdk.java.net/~zmajo/8161720/webrev.02/hotspot/>
> - jdk: http://cr.openjdk.java.net/~zmajo/8161720/webrev.02/jdk/ <http://cr.openjdk.java.net/~zmajo/8161720/webrev.02/jdk/>
> 

Thanks for updating Unsafe.byte2bool.

I was gonna role that into another patch i have in my queue but you beat me to it :-) (i am anyway blocked until something from hs-comp roles into jdk9/dev.)

Would you mind adding some comments to byte2bool and bool2byte saying this is consistent with the behaviour in HotSpot e.g. that reads work for T_BOOLEAN or JNI values, and writes normallize?

Paul.
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