[jdk13u-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 18:12:55 GMT, Alexey Pavlyutkin <duke at openjdk.java.net> wrote:

> I'd like to backport JDK-8190753 to jdk13u
> 
> 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: hotspot_all (arm64/20.04 LTS)

This pull request has now been integrated.

Changeset: e3887aa3
Author:    Alexey Pavlyutkin <apavlyutkin at azul.com>
Committer: Yuri Nesterenko <yan at openjdk.org>
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/e3887aa356ba94736faa28e8f3ef3921e076d469
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

Backport-of: 6750c34c92b5f28bba4a88ac798b800fce380d32

-------------

PR: https://git.openjdk.java.net/jdk13u-dev/pull/287