Integrating a new front end to GCC - avoiding flames later

[Jeffrey A Law]

  In message < m3n1qwof42.fsf@fred.muc.de >you write:
  > geoffk@envy.cygnus.com (Geoff Keating) writes:
  >  
  > > Yes, this often happens.  That's fine.  BCD support is one of the
  > > things that GCC doesn't have yet, because so far no language has
  > > needed it.
  > 
  > I believe GNAT supports BCD, but it is probably resolve in the frontend
  > only.
It's probably worth creating tree & rtl nodes for BCD support so that we
can describe it at both levels and ultimately generate BCD instructions
on those targets which support BCD operations.

jeff