/*

 * Copyright (c) 2015 SAP SE. 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

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 */

/*

 * @test

 * @bug 8080190

 * @key regression

 * @summary Test that the rotate distance used in the rotate instruction is properly masked with 0x1f

 * @run main/othervm -Xbatch -XX:-UseOnStackReplacement IntRotateWithImmediate

 * @author volker.simonis@gmail.com

 */

public class IntRotateWithImmediate {

  // This is currently the same as Integer.rotateRight()

    // On some architectures (i.e. x86_64 and ppc64) the following computation is

    // matched in the .ad file into a single MachNode which emmits a single rotate

    // machine instruction. It is important that the shift amount is masked to match

    // corresponding immediate width in the native instruction. On x86_64 the rotate

    // left instruction ('rol') encodes an 8-bit immediate while the corresponding

    // 'rotlwi' instruction on Power only encodes a 5-bit immediate.

    return ((i >>> distance) | (i << -distance));

  }

  }

  public static void main(String args[]) {

    int val = 4096;

    for (int i = 0; i < 100000; i++) {

      if (firstResult != newResult) {

        throw new InternalError(firstResult + " != " + newResult);

      }

    }

    System.out.println("OK");

  }

}