egcs-980221, more general warning fixes

[Kaveh R. Ghazi]

 > From: Jeffrey A Law <law@hurl.cygnus.com>
 > 
 > This change in pa.h is wrong.  I think it's supposed to be
 > 
 > 	if ((RTX == CONST0_RTX (DFmode) || (RTX == CONST0_RTX (SFmode))
 > 	    && OUTER_CODE != SET)
 > 
 > So, please fix the minor pa.h & libgcc2 things and install this patch.
 > jeff

	I made your suggested change to pa.h, and (as per our offline
conversation,) I kept my libgcc2 patch. 

	All of it has been installed. 

		--Kaveh
--
Kaveh R. Ghazi			Project Manager / Custom Development
ghazi@caip.rutgers.edu		ICon CMT Corp.