RFR: 8345125: Aarch64: Add aarch64 backend for Float16 scalar operations [v2]

[Bhavana Kilambi]

On Fri, 25 Apr 2025 03:26:26 GMT, Hao Sun <haosun at openjdk.org> wrote:

>>> Can you please uncomment the following tests using aarch64 float16 in this PR?
>>> 
>>> https://github.com/mhaessig/jdk/blob/cec48ed270d3bdf704c389a091b42a32c2ed6440/test/hotspot/jtreg/compiler/floatingpoint/TestSubNodeFloatDoubleNegation.java#L58-L60
>> 
>> Done. Thanks for notifying.
>
> Hi @Bhavana-Kilambi, I noticed there exists inconsistency between `test/hotspot/gtest/aarch64/asmtest.out.h` and `test/hotspot/gtest/aarch64/aarch64-asmtest.py` in the latest commit.  We should resolve that.

Hi @shqking I have regenerated the `test/hotspot/gtest/aarch64/asmtest.out.h` to keep it consistent with the instructions in test/`hotspot/gtest/aarch64/aarch64-asmtest.py`. Can you please review now? Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/23748#issuecomment-2829728680