Java memory model question

[Andrew Haley]

On 3/6/20 10:27 AM, Luke Hutchison wrote:
> On Fri, Mar 6, 2020 at 12:46 AM Brian Goetz <brian.goetz at oracle.com> wrote:
>
>> No, but  this is a common myth.  Method boundaries are not part of the
>> JMM, and the JIT regularly makes optimizations that have the effect of
>> reordering operations across method boundaries.
>
> Thanks. That's pretty interesting, but I can't think of an optimization
> that would have that effect. Can you give an example?

Inside an optimizer in intermediate form, unrelated operations are
often unordered: that is to say, they may be emitted in any order.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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