/*

 * 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;

    }

}