RFR: 8344355: Register corruption in MacroAssembler::lookup_secondary_supers_table_var: x86-64 only

[Artem Semenov]

On Mon, 25 Nov 2024 15:27:22 GMT, Andrew Haley <aph at openjdk.org> wrote:

> This bug only affects x86-64 machines without a `popcnt` instruction, which basically means pre-SSE4.2 machines. This means that x86-64 processors made around 2010 are affected.
> 
> My thanks to everyone who was was involved in bisecting this, particularly Martin Bucholz who seems to be the only one testing on such old hardware.

Great! It works for me.

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Marked as reviewed by asemenov (Committer).

PR Review: https://git.openjdk.org/jdk/pull/22365#pullrequestreview-2460594843