RFR: 8307423: [s390x] Represent Registers as values [v3]

[Amit Kumar]

On Thu, 4 May 2023 19:53:04 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   suggestion from @RealLucy
>
> LGTM. Please consider my minor suggestions.

@TheRealMDoerr, do you think applying `#define NOREG_ENCODING -1`  change to PPC as well, will be a good idea ?

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PR Comment: https://git.openjdk.org/jdk/pull/13805#issuecomment-1536353399