RFR: 8256956: RegisterImpl::max_slots_per_register is incorrect on AMD64 [v2]

[Jie Fu]

On Wed, 25 Nov 2020 08:21:07 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> Jie Fu has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
>> 
>>  - Merge branch 'master' into JDK-8256956
>>  - 8256956: RegisterImpl::max_slots_per_register is incorrect on AMD64
>
> Marked as reviewed by thartmann (Reviewer).

Thanks @TobiHartmann and @iwanowww for your review.
Will push it soon since there seems no regression (tier1~tier3) on Linux/x86 due to this change. @shipilev

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PR: https://git.openjdk.java.net/jdk/pull/1413