[Bug middle-end/102464] Miss optimization for (_Float16) sqrtf ((float) f16)

[joseph at codesourcery dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102464

--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
Note that for fma this would only be valid for 
-funsafe-math-optimizations.