Integrated: 8316645: RISC-V: Remove dependency on libatomic by adding cmpxchg 1b

[Robbin Ehn]

On Tue, 26 Sep 2023 12:04:49 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

> Hi all, please consider.
> 
> latomic is used for non native atomic operation which causes problems with extra dependency.
> This have been fixed in recent gcc, so latomic is no longer needed.
> 
> Added new gtest, passes t1 on vf2/qemu.

This pull request has now been integrated.

Changeset: fb055e7e
Author:    Robbin Ehn <rehn at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/fb055e7e5300958b2a6a290aa6783e8ede929d9a
Stats:     124 lines in 3 files changed: 118 ins; 6 del; 0 mod

8316645: RISC-V: Remove dependency on libatomic by adding cmpxchg 1b

Reviewed-by: ihse, fyang, luhenry, mli

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PR: https://git.openjdk.org/jdk/pull/15919