On Mon, 7 Nov 2022 13:43:17 GMT, Jorn Vernee <jver...@openjdk.org> wrote:

>> Actually, this patch is missing most of the stuff in PR 728. I was under the 
>> impression that, in order to fully support that, some VM changes were needed 
>> (e.g. to have better granularity in call shuffling - as per 
>> https://github.com/openjdk/panama-foreign/pull/699). As a result, this PR 
>> only contains changes to SharedUtil (to remove unused alignment functions) - 
>> but nothing else.
>
> 699 is not needed for this. 728 is a pure Java change that simply rejects 
> layouts that don't have their natural alignment (so, it will rejects packed 
> structs for instance, since the implementation doesn't support them on all 
> platforms). All the other changes from 728 are here (most notably the code in 
> AbstractLinker that checks the alignment), except the change that ignores the 
> `layout` here and turns the code around the line above into an `assert`.
> 
> The mac stack spilling patch requires 699 though 
> (https://github.com/openjdk/panama-foreign/pull/746). I will put that in the 
> PR with the VM changes.

Thanks for the clarification - I will incorporate those changes as well then.

-------------

PR: https://git.openjdk.org/jdk/pull/10872

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