RFR: JDK-8221766: Load-reference barriers for Shenandoah

Andrew Haley aph at redhat.com
Fri Apr 5 12:37:38 UTC 2019


On 4/4/19 10:51 AM, Roman Kennke wrote:
> Does all that answer your question? :-)

Sure. One thing that always bothered me about the write barrier was that
it looked fantastically expensive: all of the CPU state was pushed, and
there is a lot of CPU state on AArch64. I never did understand why we can't
have a fast path for that.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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