RFR 8151706: Update VarHandle implementation to use @Stable arrays

Paul Sandoz paul.sandoz at oracle.com
Mon Apr 11 10:55:40 UTC 2016

> On 8 Apr 2016, at 16:11, Michael Haupt <michael.haupt at oracle.com> wrote:
> Hi Paul,
> note this is a lower-case review. Having looked at 8151705, thumbs up for this one as well - they go hand in hand and looking at one of them only doesn't feel right. :-)

Thanks. I got ‘em swapped the wrong way around. I am gonna re-base this one and push, otherwise it will be blocked waiting on the CCC of 8151705.

> On 8 Apr 2016, at 16:23, Aleksey Shipilev <aleksey.shipilev at oracle.com> wrote:
> On 04/08/2016 12:56 PM, Paul Sandoz wrote:
>> http://cr.openjdk.java.net/~psandoz/jdk9/JDK-8151706-VH-form-table-stable/webrev/
>> <http://cr.openjdk.java.net/~psandoz/jdk9/JDK-8151706-VH-form-table-stable/webrev/>
>> Now that @Stable arrays are supported by C1 (thanks Vladimir!) we
>> can switch from the explicit use of MemberName fields in VarForm to a
>> @Stable MemberName[] array.
> Yes, glad to see that abomination gone.


> I've checked C1 and C2 performance against our battery of VarHandle
> microbenchmarks, and there were no regressions. So, +1.


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