[Bug target/55298] [SH] Add support to disable FPU usage for individual functions

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55298

--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Alternatively, split the options such as -m4-single, -m4-nofpu into e.g. -mcpu
and -mfpu and implement the 'target' function attribute.  This would also allow
controlling other target specific options on a per-function basis.