Not supporting all rounding modes

[Kaz Kojima]

Thomas Schwinge <thomas@codesourcery.com> wrote:
> Turns out this is directly from back when Kaz and Yutaka Niibe (CCed)
> added the SH glibc port, twelve years ago.  Do you guys happen to
> remember the history about these rounding modes, or would you agree to
> remove FE_UPWARD and FE_DOWNWARD from the list of supported modes?  Or,
> does SH-4-based hardware exist that supports all four modes, and we have
> to do this in a more fine-grained fashion?

I can't recall how that file was written.  AFAIK, SH FPU supports
only two rounding modes as you pointed out and the comment in fenv.h
is simply wrong.

Regards,
	kaz