RFR: 8284813: x86 Code cleanup related to move instructions. [v3]

[Sandhya Viswanathan]

On Wed, 4 May 2022 19:04:06 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Summary of changes:
>> 
>> - Correct feature checks in some assembler move instruction.
>> - Explicitly pass opmask register in routines accepting merge argument.
>> - Code re-organization related to move instruction, pull out the merge argument up to instruction pattern or top level caller.
>> - Add missing encoding based move elision checks in some macro assembly routines.
>> 
>> Kindly review and share your feedback.
>> 
>> Regards,
>> Jatin
>
> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8284813: Review comments resolutions.

Marked as reviewed by sviswanathan (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8230