Integrated: 8305236: Some LoadLoad barriers in the interpreter are unnecessary after JDK-8220051

[SUN Guoyun]

On Thu, 30 Mar 2023 12:49:09 GMT, SUN Guoyun <duke at openjdk.org> wrote:

> After JDK-8220051, Interpreter::notice_safepoints() only be executed at a safe point, so LoadLoad barrier is useless.
> Barrier directives are generally time-consuming, so this patch removes LoadLoad be used for aarch64 and riscv.
> 
> Jtreg tier1-2 testing for aarch64 has been done.
> 
> Please help review it.
> 
> Thanks.

This pull request has now been integrated.

Changeset: 2c70828e
Author:    sunguoyun <sunguoyun at loongson.cn>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2c70828e7dc78783c174e3f93c94b6e2439d2dfb
Stats:     24 lines in 2 files changed: 0 ins; 24 del; 0 mod

8305236: Some LoadLoad barriers in the interpreter are unnecessary after JDK-8220051

Reviewed-by: dholmes, fyang, aph

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PR: https://git.openjdk.org/jdk/pull/13244