[Bug target/94254] [10 regression] r10-7312 causes compiler hangs

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94254

--- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> ---
SFmode values are stored as DP IEEE float normally.  There may be other
cases as well, but this is the obvious one.