[jdk21u-dev] RFR: 8309978: [x64] Fix useless padding

[Goetz Lindenmaier]

On Fri, 14 Mar 2025 02:11:49 GMT, Satyen Subramaniam <ssubramaniam at openjdk.org> wrote:

> Backporting JDK-8309978: [x64] Fix useless padding. Adjusting code to remove possibility to useless padding in code generation and adding test. Ran GHA Sanity Checks, and local Tier 1, and Tier 2 tests. Patch is clean.

Hi @satyenme,
Listing a follow up as reason for a backport makes only sense if there exists a good reason to backport the follow up.
So please elaborate on reason, risk, etc of that follow up.
In general, the follow-up is an Enhancement that optimizes performanse, so I am not sure whether this is a good candidate for backport.
Thanks.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/1491#issuecomment-2723880322