[riscv-port-jdk11u:riscv-port] RFR: JDK-8327284: Use correct register in riscv_enc_fast_unlock()

[Gui Cao]

On Mon, 11 Mar 2024 02:42:08 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Hi, The same issue also exists in the riscv-port-jdk11u. It's already fixed in the jdk17u version above, for performance reasons, I'd like to backport it to this repo.
>> 
>> Testing:
>> 
>> - [x] Run tier1 tests on SOPHGO SG2042 (release)
>
> Looks good. Please retrigger GHA testing. Thanks.

@RealFYang : Thanks for your review.

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PR Comment: https://git.openjdk.org/riscv-port-jdk11u/pull/9#issuecomment-1987749121