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

[Andrew Haley]

On Mon, 19 Feb 2024 07:54:18 GMT, Thomas Stuefe <stuefe 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.

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PR Comment: https://git.openjdk.org/jdk/pull/17437#issuecomment-1951986653