[lworld+fp16] RFR: 8330021: AArch64: Add backend support for FP16 add operation [v6]

[duke]

On Thu, 11 Jul 2024 08:35:51 GMT, Bhavana Kilambi <bkilambi at openjdk.org> wrote:

>> This commit [1] adds initial support for FP16 operations and adds backend support for FP16 add operation for X86. This task adds backend support for scalar and vector FP16 add operation on aarch64.
>> 
>> [1] https://github.com/openjdk/valhalla/commit/f03fb4e4ee4d59ed692d0c26ddce260511f544e7#diff-a799ce8da7f3062bb3699beb65aae504840c649942032e325c2a50f88a2869ad
>
> Bhavana Kilambi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Addressed some more review comments + some cleanup

@Bhavana-Kilambi 
Your change (at version bd0e41b46049b10f5cb812c54162268e3e64698d) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/valhalla/pull/1096#issuecomment-2225078625