fixups for calls to gen_rtx()

[Jeffrey A Law]

  In message < Pine.HPP.3.93.970922135900.6164J-100000@damabus.informatik.rwth-aachen.de >you write:
  > I once had a patch that scans rtl.def and generates a lot of functions
  > with names like "gen_rtx_REG" which don't use varargs and have a proper
  > prototype. Is someone interested in this?
I don't think so.  Though others may disagree.

I don't see any reason not to use varargs for the gen_ functions.


Jeff