RFR: 8305895: Implement JEP 450: Compact Object Headers (Experimental) [v8]

[Thomas Stuefe]

On Tue, 10 Sep 2024 12:13:58 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> src/hotspot/share/oops/compressedKlass.cpp line 243:
>> 
>>> 241:   } else {
>>> 242: 
>>> 243:     // In legacy mode, we try, in order of preference:
>> 
>> Can you not use the word 'legacy' here?  Maybe in "non-compact object header mode"...
>
> okay.

I removed all traces of "legacy" and "tiny", reverting to "standard" or "non-coh" vs "coh". I would prefer to use the shorthand "coh" in some places since "compact object header mode" is a mouthful and gives me RSI :)

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PR Review Comment: https://git.openjdk.org/jdk/pull/20677#discussion_r1758533732