110 lines
3.2 KiB
Java
110 lines
3.2 KiB
Java
/*
|
|
* 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.
|
|
*
|
|
* 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 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; }
|
|
}
|