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/*
* Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/**
* @test
* @bug 6800154
* @summary Add comments to long_by_long_mulhi() for better understandability
*
* @run main/othervm -Xcomp -XX:CompileOnly=Test6800154.divcomp Test6800154
*/
import java.net.URLClassLoader;
public class Test6800154 implements Runnable {
static final long[] DIVIDENDS = {
0,
1,
2,
1423487,
4444441,
4918923241323L,
-1,
-24351,
0x3333,
0x0000000080000000L,
0x7fffffffffffffffL,
0x8000000000000000L
};
static final long[] DIVISORS = {
1,
2,
17,
12342,
24123,
143444,
123444442344L,
-1,
-2,
-4423423234231423L,
0x0000000080000000L,
0x7fffffffffffffffL,
0x8000000000000000L
};
// Initialize DIVISOR so that it is final in this class.
static final long DIVISOR;
static {
long value = 0;
try {
value = Long.decode(System.getProperty("divisor"));
} catch (Throwable e) {
}
DIVISOR = value;
}
public static void main(String[] args) throws Exception
{
Class cl = Class.forName("Test6800154");
URLClassLoader apploader = (URLClassLoader) cl.getClassLoader();
// Iterate over all divisors.
for (int i = 0; i < DIVISORS.length; i++) {
System.setProperty("divisor", "" + DIVISORS[i]);
ClassLoader loader = new URLClassLoader(apploader.getURLs(), apploader.getParent());
Class c = loader.loadClass("Test6800154");
Runnable r = (Runnable) c.newInstance();
r.run();
}
}
public void run()
{
// Iterate over all dividends.
for (int i = 0; i < DIVIDENDS.length; i++) {
long dividend = DIVIDENDS[i];
long expected = divint(dividend);
long result = divcomp(dividend);
if (result != expected)
throw new InternalError(dividend + " / " + DIVISOR + " failed: " + result + " != " + expected);
}
}
static long divint(long a) { return a / DIVISOR; }
static long divcomp(long a) { return a / DIVISOR; }
}
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