/*

 * Copyright (c) 2009, 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.

 *

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 */

/**

 * @test

 * @bug 6378821

 * @summary where available, bitCount() should use POPC on SPARC processors and AMD+10h

 *

 * @run main/othervm -Xcomp

 *      -XX:CompileCommand=compileonly,compiler.codegen.Test6378821::fcomp

 *      compiler.codegen.Test6378821

 */

package compiler.codegen;

public class Test6378821 {

    static final int[]  ia = new int[]  { 0x12345678 };

    static final long[] la = new long[] { 0x12345678abcdefL };

    public static void main(String [] args) {

        // Resolve the class and the method.

        Integer.bitCount(1);

        Long.bitCount(1);

        sub(ia[0]);

        sub(la[0]);

        sub(ia);

        sub(la);

    }

    static void check(int i, int expected, int result) {

        if (result != expected) {

            throw new InternalError("Wrong population count for " + i + ": " + result + " != " + expected);

        }

    }

    static void check(long l, int expected, int result) {

        if (result != expected) {

            throw new InternalError("Wrong population count for " + l + ": " + result + " != " + expected);

        }

    }

    static void sub(int i)     { check(i,     fint(i),  fcomp(i) ); }

    static void sub(int[] ia)  { check(ia[0], fint(ia), fcomp(ia)); }

    static void sub(long l)    { check(l,     fint(l),  fcomp(l) ); }

    static void sub(long[] la) { check(la[0], fint(la), fcomp(la)); }

    static int fint (int i)     { return Integer.bitCount(i); }

    static int fcomp(int i)     { return Integer.bitCount(i); }

    static int fint (int[] ia)  { return Integer.bitCount(ia[0]); }

    static int fcomp(int[] ia)  { return Integer.bitCount(ia[0]); }

    static int fint (long l)    { return Long.bitCount(l); }

    static int fcomp(long l)    { return Long.bitCount(l); }

    static int fint (long[] la) { return Long.bitCount(la[0]); }

    static int fcomp(long[] la) { return Long.bitCount(la[0]); }

}