[Bug target/70117] ppc long double isinf() is wrong?

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70117

--- Comment #14 from Alan Modra <amodra at gmail dot com> ---
> if (fmt == &ibm_extended_double)

No, there is mips_extended_format too.