[Bug target/85669] fail on s-case-cfn-macros: build/gencfn-macros: DEF_INTERNAL_FLT/INT_FN (%smth%) has no associated built-in functions

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85669
--- Comment #49 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Douglas Mencken from comment #46)
> Yeah, PowerPC doesn’t have addressing via PC, thus it requires to do tricks
> like that

No, we don't have to do such strange code.  The usual way is to do a call
to the next instruction, and then a mflr.  No blrl needed.

This _is_ an excuse to use that fun instruction though!