[15] RFR 8241765: Shenandoah: AARCH64 need to save/restore call clobbered registers before calling keepalive barrier

[Andrew Haley]

On 3/27/20 6:55 PM, Zhengyu Gu wrote:
> This bug was discovered while testing aarch64 nmethod entry barrier
> patch posted by Stuart Monteith [1].
>
> We had the same issues on x86 platforms, and fixed by JDK-8233500 and
> JDK-8237776, but never fixed aarch64.

The patch looks OK. It's a bit odd that it wasn't applied to AArch64
at the time, but never mind.

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