[PATCH 2/2, i386]: Implement TARGET_EXPAND_DIVMOD_LIBFUNC

[Eric Botcazou]

> libfunc, as in "__{,u}divmod{di,ti}4 library function" is already
> implemented in libgcc. But the enablement of this function inside the
> compiler has to be performed by each target.

So can we do it generically instead of duplicating it ~50 times?

-- 
Eric Botcazou