RFR: 8254793: [JVMCI] improve speculation encoding [v4]

[Tom Rodriguez]

On Mon, 19 Oct 2020 12:06:07 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

>> Marked as reviewed by dlong (Reviewer).
>
> @dean-long @vnkozlov I've made a few new changes based on @tkrodriguez 's comments. Please let me know if it still
> looks good. I've also rerun mach5 testing on the new changes and everything passes.

New version looks good.

-------------

PR: https://git.openjdk.java.net/jdk/pull/667