RFR: 8294729: [s390] Implement nmethod entry barriers

Wed Oct 26 20:00:40 UTC 2022

On Tue, 11 Oct 2022 15:40:59 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> I would guess this is because, even though it's a volatile register, R3 can be a parameter or return value. So in the context of the compiler, we really don't want to use this register?
>> 
>> BTW, I have now removed my changes to this file.
>
> R3 can contain a parameter at this point. You don't want to overwrite it.

Makes sense. Thanks.

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PR: https://git.openjdk.org/jdk/pull/10558