RFC: Patch to libgcc2.h

[Jeffrey A Law]

  In message < 20000615185025.I474@sunsite.ms.mff.cuni.cz >you write:
  > On Thu, Jun 15, 2000 at 09:25:23AM -0700, Jason Merrill wrote:
  > > Jakub's December 27 patch to libgcc2.c broke a lot of libgcc bits for
  > > 16-bit targets; the #defines to change, say, the definition of
  > > __floatdisf to actually define __floatsisf produced conflicts with
  > > better versions from libgcc1 and fp-bit.c.  In the case I've been
  > > looking at, that definition was used rather than the one from
  > > fp-bit.c, and so any code that needed to use __floatsisf ended up
  > > going into an infinite recursion.
  > 
  > Won't it break c4x?
  > I posted a patch which removed just MIN_UNITS_PER_WORD == 2 changes and kep
  > t
  > MIN_UNITS_PER_WORD == 1 to make c4x happy, but there was no feedback on it.
As I've stated before, I think changing the names of the routines based
on the word size is wrong.  I'd like to see a solution which does not do that.

If that means we have to add more routines to fp-bit.c & friends, then I think
we can do that pretty easily.

jeff