[Bug target/99708] __SIZEOF_FLOAT128__ not defined on powerpc64le-linux

[segher at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99708

--- Comment #25 from Segher Boessenkool <segher at gcc dot gnu.org> ---
It is defined to __ieee128 whenever that exists, and not defined otherwise?
Yes, the logic and control flow are byzantine.