[jdk15u-dev] Integrated: 8270533: AArch64: size_fits_all_mem_uses should return false if its output is a CAS

[Alexey Pavlyutkin]

On Mon, 1 Nov 2021 18:07:44 GMT, Alexey Pavlyutkin <duke at openjdk.java.net> wrote:

> I'd like to backport JDK-8190753 to jdk15u.
> 
> The fix prevents using a result of Shift-n-Add operation as an input for CAS operation that takes only register operands for Aarch64
> 
> The original patch applied cleanly
> 
> Testing: original patch does not have verification tests. Regression:  arm64 / 20.04 LTS / hotspot_all

This pull request has now been integrated.

Changeset: c2343907
Author:    Alexey Pavlyutkin <apavlyutkin at azul.com>
Committer: Yuri Nesterenko <yan at openjdk.org>
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/c23439079a7a2b6829afef67db9ac7fad9f9d4ab
Stats:     7 lines in 1 file changed: 7 ins; 0 del; 0 mod

8270533: AArch64: size_fits_all_mem_uses should return false if its output is a CAS

Reviewed-by: aph
Backport-of: 6750c34c92b5f28bba4a88ac798b800fce380d32

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PR: https://git.openjdk.java.net/jdk15u-dev/pull/128