RFR: 8362376: Use @Stable annotation in Java FDLIBM implementation [v3]

[Joe Darcy]

On Fri, 18 Jul 2025 16:54:36 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> > This array unrolling looks right to me.
> 
> I'll write a regression test case to make sure.

Catching up after JVMLS, added a few test cases for pow and exp code that was changed.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/26341#issuecomment-3176525790