[riscv-port-jdk17u:riscv-port] RFR: 8301852: RISC-V: Optimize class atomic when order is memory_order_relaxed

[Dingli Zhang]

On Wed, 24 May 2023 07:55:27 GMT, Dingli Zhang <dzhang at openjdk.org> wrote:

> Hi, please review this backport to riscv-port-jdk17u.
> Backport of [JDK-8301852](https://bugs.openjdk.org/browse/JDK-8301852). Applies cleanly.
> 
> Testing:
> - Tier1-3 passed without new failure on unmacthed (release).

Thanks for the review!

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PR Comment: https://git.openjdk.org/riscv-port-jdk17u/pull/60#issuecomment-1563892801