RFR: 8313322: RISC-V: implement MD5 intrinsic

Mon Jul 31 15:27:03 UTC 2023

On Mon, 31 Jul 2023 13:50:10 GMT, Antonios Printezis <tonyp at openjdk.org> wrote:

> What the title says. I started with the aarch64 version but changed it quite heavily.
> 
> I haven't done anything with the macro assembler before, so detailed / picky feedback is very welcome!

I mainly used `jtreg:test/jdk/java/security/MessageDigest` to test correctness.

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PR Comment: https://git.openjdk.org/jdk/pull/15090#issuecomment-1658593564