[jdk17u] Integrated: 8270533: AArch64: size_fits_all_mem_uses should return false if its output is a CAS

[Alexey Pavlyutkin]

On Wed, 3 Nov 2021 06:17:44 GMT, Alexey Pavlyutkin <duke at openjdk.java.net> wrote:

> I'd like to backport JDK-8190753 to jdk17u
> 
> The fix prevents using an output 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 (with gtests)

This pull request has now been integrated.

Changeset: 43ae1796
Author:    Alexey Pavlyutkin <apavlyutkin at azul.com>
Committer: Yuri Nesterenko <yan at openjdk.org>
URL:       https://git.openjdk.java.net/jdk17u/commit/43ae1796b495593db5610ba888599b496ca60384
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/jdk17u/pull/224