re PR target/35713 (invalid type for va_arg with _Decimal128)

	PR target/35713
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
	  constants of the appropriate size for runtime calculations.

From-SVN: r133887

gcc/ChangeLog

 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
 
+	PR target/35713
+	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
+	  constants of the appropriate size for runtime calculations.
+
 	PR c/35712
 	* dfp.c (decimal_from_decnumber): Retain trailing zeroes for
 	  decimal-float literal constant zero.

gcc/config/rs6000/rs6000.c

@@ -6832,7 +6832,8 @@ rs6000_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p)
       else if (reg == fpr && TYPE_MODE (type) == TDmode)
 	{
 	  regalign = 1;
-	  t = build2 (BIT_IOR_EXPR, TREE_TYPE (reg), reg, size_int (1));
+	  t = build2 (BIT_IOR_EXPR, TREE_TYPE (reg), reg,
+		      build_int_cst (TREE_TYPE (reg), 1));
 	  u = build2 (MODIFY_EXPR, void_type_node, reg, t);
 	}
 
@@ -6870,7 +6871,8 @@ rs6000_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p)
 	{
 	  /* Ensure that we don't find any more args in regs.
 	     Alignment has taken care of for special cases.  */
-	  t = build2 (GIMPLE_MODIFY_STMT, TREE_TYPE (reg), reg, size_int (8));
+	  t = build_gimple_modify_stmt (reg,
+					build_int_cst (TREE_TYPE (reg), 8));
 	  gimplify_and_add (t, pre_p);
 	}
     }