[jdk22u] Integrated: 8330242: RISC-V: Simplify and remove CORRECT_COMPILER_ATOMIC_SUPPORT in atomic_linux_riscv.hpp

[Gui Cao]

On Wed, 17 Apr 2024 06:57:08 GMT, Gui Cao <gcao at openjdk.org> wrote:

> This is a followup fix for JDK-8326936 which has been backported to jdk22u. I would like to also have this for jdk22u so that gcc `__atomic_compare_exchange` atomic operation could still be used for the upcoming gcc-13.3 release. This is a risc-v specific change. Backport is clean, risk is low. 
> 
> ### Testing
> - [x] The affected jtreg test cases all pass with jdk release built with latest gcc-13 development branch.

This pull request has now been integrated.

Changeset: 2ae0188a
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk22u/commit/2ae0188a357f2f03f4624790c392660add896c83
Stats:     15 lines in 1 file changed: 0 ins; 11 del; 4 mod

8330242: RISC-V: Simplify and remove CORRECT_COMPILER_ATOMIC_SUPPORT in atomic_linux_riscv.hpp

Backport-of: cd4c3aac63ddab3d3618df09787d6e9311454ff8

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PR: https://git.openjdk.org/jdk22u/pull/146