RFR: 8259822: [PPC64] Support the prefixed instruction format added in POWER10 [v8]

[Corey Ashford]

On Thu, 8 Apr 2021 17:55:15 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> @TheRealMDoerr  @CoreyAshford  Thank you for your review.  I think this is now ready to be integrated.
>> 
>> @TheRealMDoerr  Could you sponsor this pull request?
>
> Yes, I can sponsor it. Thanks for testing.
> @CoreyAshford Are all your requests resolved? Do you need more time for additional tests? Please approve once you're fine with it.

The only other thing I see is that there are a number of static functions that are defined for accessing fields (e.g. `inv_st_x1`), but aren't actually used yet.  However, I think these are probably ok, since they are not very complex.  So I will approve.

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PR: https://git.openjdk.java.net/jdk/pull/2095