RFR: 8345355: [s390x] support for z16 hardware [v4]

[Amit Kumar]

On Wed, 4 Dec 2024 05:22:17 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

>> This was the output for `jdk/bin/java -XX:+Verbose --version` command on a z16 hardware: 
>> 
>> 
>> CPU Version as detected internally: system-z, g9-z15, ldisp_fast, extimm, pcrel_load/store, cmpb, cond_load/store, interlocked_update, txm, vectorinstr, instrext2, venh1, instrext3, venh2, out-of-support_as_of_tbd, aes128, aes192, aes256, sha1, sha256, sha512, ghash
>> 
>> 
>> So the issue is that z16 should be recognized as g10-z16 but instead I got g9-z15. 
>> 
>> This is the output with current changes: 
>> 
>> 
>> CPU Version as detected internally: system-z, g10-z16, ldisp_fast, extimm, pcrel_load/store, cmpb, cond_load/store, interlocked_update, txm, vectorinstr, instrext2, venh1, instrext3, venh2,bear_enh, sort_enh, nnpa_assist, storage_key_removal, vpack_decimal_enh, out-of-support_as_of_tbd, aes128, aes192, aes256, sha1, sha256, sha512, ghash
>
> Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   move mask to correction location

@RealLucy 👀

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PR Comment: https://git.openjdk.org/jdk/pull/22508#issuecomment-2517247261