/*
* Copyright ( c ) 2013 , 2015 , 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 8011901
* @ summary instruct xaddL_no_res shouldn ' t allow 64 bit constants .
* @ modules java . base / jdk . internal . misc : + open
*
* @ run main / othervm - XX : - BackgroundCompilation compiler . codegen . Test8011901
*/
package compiler.codegen;
import jdk.internal.misc.Unsafe;
import java.lang.reflect.Field;
public class Test8011901 {
private long ctl;
private static final Unsafe U;
private static final long CTL;
static {
try {
Field unsafe = Unsafe.class .getDeclaredField("theUnsafe" );
unsafe.setAccessible(true );
U = (Unsafe) unsafe.get(null );
CTL = U.objectFieldOffset(Test8011901.class .getDeclaredField("ctl" ));
} catch (Exception e) {
throw new Error(e);
}
}
public static void main(String[] args) {
for (int c = 0 ; c < 20000 ; c++) {
new Test8011901().makeTest();
}
System.out.println("Test Passed" );
}
public static final long EXPECTED = 1 L << 42 ;
public void makeTest() {
U.getAndAddLong(this , CTL, EXPECTED);
if (ctl != EXPECTED) {
throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl);
}
}
}
Messung V0.5 in Prozent C=86 H=91 G=88
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-06-10)
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