RFR: 8374926: EnableX86ECoreOpts was not enabled on some hybrid CPU [v3]

Fri Jan 23 13:57:43 UTC 2026

On Fri, 23 Jan 2026 02:39:31 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> Do you mean this PR should add to check hybrid flag only, without checking leaf 1Ah? If so, I will revert the merge for leaf 1Ah, and will add model ID for CWF.

I would prefer that, at least for now/this PR.. keep the existing model checks and add `supports_hybrid()`. (The atom core might be a good idea, not sure. Would need some spelunking)

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PR Comment: https://git.openjdk.org/jdk/pull/29149#issuecomment-3790340915