RFR: 8376113: PPC64: Implement special MachNodes for floating point Min / Max [v4]

[Martin Doerr]

On Tue, 3 Feb 2026 11:24:13 GMT, David Briemann <dbriemann at openjdk.org> wrote:

>> Add mach nodes MinF, MaxF, MinD, MaxD for PPC.
>
> David Briemann has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add missing format strings, enable IR matching for >= PPC9 in TestMinMaxIdentity.java

We forgot to update the Copyright headers!

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PR Comment: https://git.openjdk.org/jdk/pull/29361#issuecomment-3856564028