[Bug fortran/34040] Support for DOUBLE_TYPE_SIZE != 64 targets

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34040

--- Comment #14 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #13)
> 
> I think it would be easier to leave DOUBLE_TYPE_SIZE == 64 in all cases and
> use software fp if the hardware can't do double precision.  If users insist
> on doubles being automatically truncated to floats then there should be a
> compiler switch for that.

This switch is already there: -fshort-double