[jdk21u-dev] RFR: 8320379: C2: Sort spilling/unspilling sequence for better ld/st merging into ldp/stp on AArch64

[Andrew Haley]

On Thu, 6 Jun 2024 08:52:32 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> > Did you submit a jdk22 backport request?
> 
> This issue is fixed in 22 originally, so no JDK 22u backport is needed.

OK.

> Aside: my read of https://mail.openjdk.org/pipermail/jdk-updates-dev/2024-June/033864.html is that 22u is effectively dead anyway.

Ah, right. I didn't see that.

This is a pretty minor performance tweak, so it's marginal whether it should be back ported. I'm not sure the churn is justified.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/665#issuecomment-2151861355