[Bug target/115800] PowerPC GCC cannot build a little endian compile if --with-cpu=power5 is used

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115800

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Note that we *should* support ieee128 with *any* configuration, to avoid
nonsense
like this (and many more).  But, alas.