[jdk21u] RFR: 8316592: RISC-V: implement poly1305 intrinsic [v2]

[Feilong Jiang]

On Wed, 22 Nov 2023 12:14:18 GMT, ArsenyBochkarev <duke at openjdk.org> wrote:

>> Backport for `_poly1305_processBlocks` intrinsic. Review here: https://github.com/openjdk/jdk/pull/16417. I re-run the tier1 tests and `test/jdk/com/sun/crypto/provider/Cipher/ChaCha20/unittest/Poly1305UnitTestDriver.java` test specifically just as a sanity checks and they're ok.
>
> ArsenyBochkarev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Empty commit

Hi @ArsenyBochkarev, could you please backport [JDK-8320564](https://bugs.openjdk.org/browse/JDK-8320564) together which fixed the minimal build failure introduced by [JDK-8316592](https://bugs.openjdk.org/browse/JDK-8316592), TIA.

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PR Comment: https://git.openjdk.org/jdk21u/pull/390#issuecomment-1823706227