[11u] RFR: JDK-8206895: aarch64: rework error-prone cmp instuction

[Andrew Haley]

On 11/06/2020 17:53, Lemmond, Dan wrote:
> The backport compiles without issue and passes all Tier1 Hotspot tests.

Please explain why this should be back-ported.

BTW, we already discussed backporting it to 11 here and it was rejected
as too risky:

http://mail.openjdk.java.net/pipermail/hotspot-dev/2018-July/033437.html

Unless this actually fixes a bug, it looks dubious as a backport.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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