RFR: 8260501: [Vector API] Improve register usage for shift operations on x86 [v2]

[Jie Fu]

On Sat, 30 Jan 2021 17:38:33 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>>> Looks fine to me.
>>> @iwanowww please submit mach5 testing for this change before integration.
>> 
>> Thanks @vnkozlov for your review.
>> 
>> @iwanowww , please let me know if it's OK on mach5.
>> Thanks.
>
> Test results (hs-tier1 - hs-tier4) are good.

Thanks @iwanowww .

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PR: https://git.openjdk.java.net/jdk/pull/2257