[jdk11u-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 18:13:57 GMT, Alexey Pavlyutkin <duke at openjdk.java.net> wrote:

> I'd like to backport JDK-8190753 to jdk11u
> 
> The fix prevents using a result of Add-n-Shift 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: 2221f37d
Author:    Alexey Pavlyutkin <apavlyutkin at azul.com>
Committer: Christoph Langer <clanger at openjdk.org>
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/2221f37d096c3657d9ab503ab5b3d671e1ae53f8
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/jdk11u-dev/pull/573