RFR: 8290688: Optimize x86_64 nmethod entry barriers [v4]

Fri Jul 22 14:43:03 UTC 2022

On Fri, 22 Jul 2022 14:03:58 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> Erik Österlund has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fixing 32 bit build again
>
> Hi Erik,
> 
> Looks good to me!
> 
> I can imagine that hot taken branches, especially many of them, can become a
> performance issue when the hardware fails to predict the target address.
> 
> Richard.

Thanks for the review @reinrich!

-------------

PR: https://git.openjdk.org/jdk/pull/9569