tree-chrec.c (reset_evolution_in_loop): Use build3 instead of build2.

	* tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
	build2.

From-SVN: r100675

gcc/ChangeLog

 2005-06-06  Jakub Jelinek  <jakub@redhat.com>
 
+	* tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
+	build2.
+
 	* fold-const.c (operand_equal_p): Don't return 1, if element
 	chains for 2 VECTOR_CSTs are not the same length.
 

gcc/tree-chrec.c

@@ -725,12 +725,16 @@ reset_evolution_in_loop (unsigned loop_num,
 {
   if (TREE_CODE (chrec) == POLYNOMIAL_CHREC
       && CHREC_VARIABLE (chrec) > loop_num)
-    return build2 
-      (TREE_CODE (chrec), 
-       build_int_cst (NULL_TREE, CHREC_VARIABLE (chrec)), 
-       reset_evolution_in_loop (loop_num, CHREC_LEFT (chrec), new_evol), 
-       reset_evolution_in_loop (loop_num, CHREC_RIGHT (chrec), new_evol));
-  
+    {
+      tree left = reset_evolution_in_loop (loop_num, CHREC_LEFT (chrec),
+					   new_evol);
+      tree right = reset_evolution_in_loop (loop_num, CHREC_RIGHT (chrec),
+					    new_evol);
+      return build3 (POLYNOMIAL_CHREC, TREE_TYPE (left),
+		     build_int_cst (NULL_TREE, CHREC_VARIABLE (chrec)),
+		     left, right);
+    }
+
   while (TREE_CODE (chrec) == POLYNOMIAL_CHREC
 	 && CHREC_VARIABLE (chrec) == loop_num)
     chrec = CHREC_LEFT (chrec);