RFR: 8186838: Generalize Atomic::inc/dec with templates

Andrew Haley aph at redhat.com
Wed Sep 6 13:20:03 UTC 2017


On 05/09/17 09:04, Erik Österlund wrote:

> For example, our atomics typically conservatively guarantees
> bidirectional full fencing, while theirs does not.

Firstly, we can insert whatever fences we want, using intrinsics.  We
don't need assembly language to do that.

Secondly, I don't see bidirectional full fencing in x86 atomics, and I
don't think we really want bidirectional full fencing anyway.

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