[Bug target/104984] Use hard-fp for libgcc single-floating-point routines

[archicharmer at mail dot ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104984

--- Comment #1 from Den <archicharmer at mail dot ru> ---
No one?.. Then, let's discourse.
These are inside the file t-hardfp-sfdf :

hardfp_float_modes := sf df
hardfp_int_modes := si
hardfp_extensions := sfdf
hardfp_truncations := dfsf

and these are inside the file t-softfp-sfdf :

softfp_float_modes := sf df
softfp_int_modes := si di
softfp_extensions := sfdf
softfp_truncations := dfsf

I assume it might be reasonable to create a new file. Let's call it
t-hardsf-soft-df . I believe these lines will be correct:

hardfp_float_modes := sf
softfp_float_modes := df
hardfp_int_modes := si

But what to set for extensions and truncations? And to which one in this case?