rs6000.c (rs6000_gimplify_va_arg): Consume all fp regs if the last fp arg doesn't fit in regs.

	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
	fp regs if the last fp arg doesn't fit in regs.

From-SVN: r113111

gcc/ChangeLog

+2006-04-20  Alan Modra  <amodra@bigpond.net.au>
+
+	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
+	fp regs if the last fp arg doesn't fit in regs.
+
 2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 
 	PR target/27182

gcc/config/rs6000/rs6000.c

@@ -5960,7 +5960,7 @@ rs6000_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p)
       t = build1 (LABEL_EXPR, void_type_node, lab_false);
       append_to_statement_list (t, pre_p);
 
-      if (n_reg > 2)
+      if ((n_reg == 2 && reg != gpr) || n_reg > 2)
 	{
 	  /* Ensure that we don't find any more args in regs.
 	     Alignment has taken care of the n_reg == 2 case.  */