Fix 961223-1.c irix6 c-torture failure.

	* mips.c (function_arg): Handle passing a struct
	containing a double in a DFmode register without the PARALLEL.

From-SVN: r15830

gcc/ChangeLog

+Wed Oct  1 13:43:53 1997  Jim Wilson  <wilson@cygnus.com>
+
+	Bring over from FSF.
+	Tue Aug  5 16:10:45 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* mips.c (function_arg): Handle passing a struct 
+	containing a double in a DFmode register without the PARALLEL.
+
 Wed Oct  1 11:13:25 1997  Ian Lance Taylor  <ian@cygnus.com>
 
         * pexecute.c: Use spawn if __CYGWIN32__.

gcc/config/mips/mips.c

@@ -3208,7 +3208,7 @@ function_arg (cum, mode, type, named)
 		    % BITS_PER_WORD == 0))
 	      break;
 
-	  if (! field)
+	  if (! field || mode == DFmode)
 	    ret = gen_rtx (REG, mode, regbase + *arg_words + bias);
 	  else
 	    {