RFR: 8376113: PPC64: Implement special MachNodes for floating point Min / Max

[David Briemann]

On Thu, 22 Jan 2026 14:39:27 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Please also test it on Power8 (or with -XX:PowerArchitecturePPC64=8). I think we need to add a check to `Matcher::match_rule_supported` like in x86.ad.

Thanks for catching this. Fixed it.

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PR Comment: https://git.openjdk.org/jdk/pull/29361#issuecomment-3784896993