[jdk25u] Integrated: 8369979: Flag UsePopCountInstruction was accidentally disabled on PPC64

[David Briemann]

On Mon, 20 Oct 2025 11:00:29 GMT, David Briemann <dbriemann at openjdk.org> wrote:

> This pull request contains a backport of commit [9b9559a2](https://github.com/openjdk/jdk/commit/9b9559a2e33827126e1aeab7bf6f4861acaae109) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by David Briemann on 17 Oct 2025 and was reviewed by Andrew Haley and Martin Doerr.

This pull request has now been integrated.

Changeset: c78ec16f
Author:    David Briemann <dbriemann at openjdk.org>
Committer: Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk25u/commit/c78ec16f2cc62b6fb35aa29eb0c400cc050d71f7
Stats:     4 lines in 1 file changed: 4 ins; 0 del; 0 mod

8369979: Flag UsePopCountInstruction was accidentally disabled on PPC64

Backport-of: 9b9559a2e33827126e1aeab7bf6f4861acaae109

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PR: https://git.openjdk.org/jdk25u/pull/326