--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/6443505/Test6443505.java	Fri Apr 12 19:14:47 2013 -0700
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 6443505
+ * @summary Some cases for CmpLTMask missed; also wrong code.
+ *
+ * @run main/othervm -Xcomp -XX:CompileOnly="Test6443505.compiled" Test6443505
+ */
+
+public class Test6443505 {
+
+    public static void main(String[] args) throws InterruptedException {
+        test(Integer.MIN_VALUE, 0);
+        test(0, Integer.MIN_VALUE);
+        test(Integer.MIN_VALUE, -1);
+        test(-1, Integer.MIN_VALUE);
+        test(Integer.MIN_VALUE, 1);
+        test(1, Integer.MIN_VALUE);
+
+        test(Integer.MAX_VALUE, 0);
+        test(0, Integer.MAX_VALUE);
+        test(Integer.MAX_VALUE, -1);
+        test(-1, Integer.MAX_VALUE);
+        test(Integer.MAX_VALUE, 1);
+        test(1, Integer.MAX_VALUE);
+
+        test(Integer.MIN_VALUE, Integer.MAX_VALUE);
+        test(Integer.MAX_VALUE, Integer.MIN_VALUE);
+
+        test(1, -1);
+        test(1, 0);
+        test(1, 1);
+        test(-1, -1);
+        test(-1, 0);
+        test(-1, 1);
+        test(0, -1);
+        test(0, 0);
+        test(0, 1);
+    }
+
+    public static void test(int a, int b) throws InterruptedException {
+        int C = compiled(4, a, b);
+        int I = interpreted(4, a, b);
+        if (C != I) {
+            System.err.println("#1 C = " + C + ", I = " + I);
+            System.err.println("#1 C != I, FAIL");
+            System.exit(97);
+        }
+
+        C = compiled(a, b, q, 4);
+        I = interpreted(a, b, q, 4);
+        if (C != I) {
+            System.err.println("#2 C = " + C + ", I = " + I);
+            System.err.println("#2 C != I, FAIL");
+            System.exit(97);
+        }
+
+    }
+
+    static int q = 4;
+
+    // If improperly compiled, uses carry/borrow bit, which is wrong.
+    // with -XX:+PrintOptoAssembly, look for cadd_cmpLTMask
+    static int compiled(int p, int x, int y) {
+        return (x < y) ? q + (x - y) : (x - y);
+    }
+
+    // interpreted reference
+    static int interpreted(int p, int x, int y) {
+        return (x < y) ? q + (x - y) : (x - y);
+    }
+
+    // Test new code with a range of cases
+    // with -XX:+PrintOptoAssembly, look for and_cmpLTMask
+    static int compiled(int x, int y, int q, int p) {
+        return (x < y) ? p + q : q;
+    }
+
+    // interpreted reference
+    static int interpreted(int x, int y, int q, int p) {
+        return (x < y) ? p + q : q;
+    }
+
+}