* expmed.c (make_tree): Handle SIGN_EXTEND/ZERO_EXTEND.

From-SVN: r54716

gcc/ChangeLog

+2002-06-17  Richard Henderson  <rth@redhat.com>
+
+	PR target/6922
+	* expmed.c (make_tree): Handle SIGN_EXTEND/ZERO_EXTEND.
+
 2002-06-17  Tom Tromey  <tromey@redhat.com>
 
 	* dwarfout.c: Include function.h.

gcc/expmed.c

@@ -4136,6 +4136,13 @@ make_tree (type, x)
 			    build (TRUNC_DIV_EXPR, t,
 				   make_tree (t, XEXP (x, 0)),
 				   make_tree (t, XEXP (x, 1)))));
+
+    case SIGN_EXTEND:
+    case ZERO_EXTEND:
+      t = (*lang_hooks.types.type_for_mode) (GET_MODE (XEXP (x, 0)),
+					     GET_CODE (x) == ZERO_EXTEND);
+      return fold (convert (type, make_tree (t, XEXP (x, 0))));
+
    default:
       t = make_node (RTL_EXPR);
       TREE_TYPE (t) = type;