RFR: 8323273: AArch64: Strengthen CompressedClassPointers initialization check for base

[Thomas Stuefe]

On Mon, 19 Feb 2024 09:01:25 GMT, Andrew Haley <aph at openjdk.org> wrote:

> > Also, it would be a lot nicer to not have to worry about this at all. I took a stab last summer in adding a decoding mode that would just work with any address, similar to how PPC does it (
> 
> I think we should leave this stuff alone. Compressed klass pointer handling has been around the block a few times, and there's little possibility of providing much more benefit to our end users. We've got something that is highly reliable and almost maximally performant.

Okay. Seeing how rare the failing of reservation is, I came to the same conclusion.

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

PR Comment: https://git.openjdk.org/jdk/pull/17437#issuecomment-1952016853