[8u-dev] backport RFR: 6869327: Add new C2 flag to keep safepoints in counted loops

[Andreas Eriksson]

Thanks Vladimir,

On 2015-12-14 22:11, Vladimir Kozlov wrote:
> You 8u changes looks fine but they introduced bug in jdk9:
>
> https://bugs.openjdk.java.net/browse/JDK-8144935
>
> You need to backport 8144935 fix too as separate changes.

Thanks for pointing that out, I'd missed that follow up bug, since 
apparently I was not subscribed to receive notifications for 6869327.

- Andreas

>
> Regards,
> Vladimir
>
> On 12/8/15 6:04 AM, Andreas Eriksson wrote:
>> Hi,
>>
>> Please review this backport of JDK-6869327: Add new C2 flag to keep
>> safepoints in counted loops.
>> The only change in this backport is to the test, where the testlibrary
>> imports needed to be changed, and I also removed the @module tag.
>>
>> JDK 9 review:
>> http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2015-November/020110.html 
>>
>>
>>
>> Webrev for changes between 9 and 8:
>> http://cr.openjdk.java.net/~aeriksso/6869327/webrev.9_to_8/
>>
>> Full 8u webrev:
>> http://cr.openjdk.java.net/~aeriksso/6869327/webrev.jdk8u/
>>
>> Bug: 6869327: Add new C2 flag to keep safepoints in counted loops.
>> https://bugs.openjdk.java.net/browse/JDK-6869327
>>
>> Thanks,
>> Andreas