1 /* 2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8011901 27 * @summary instruct xaddL_no_res shouldn't allow 64 bit constants. 28 * @modules java.base/jdk.internal.misc 29 * 30 * @run main/othervm -XX:-BackgroundCompilation compiler.codegen.Test8011901 31 */ 32 33 package compiler.codegen; 34 35 import jdk.internal.misc.Unsafe; 36 37 import java.lang.reflect.Field; 38 39 public class Test8011901 { 40 41 private long ctl; 42 43 private static final Unsafe U; 44 private static final long CTL; 45 46 static { 47 try { 48 Field unsafe = Unsafe.class.getDeclaredField("theUnsafe"); 49 unsafe.setAccessible(true); 50 U = (Unsafe) unsafe.get(null); 51 CTL = U.objectFieldOffset(Test8011901.class.getDeclaredField("ctl")); 52 } catch (Exception e) { 53 throw new Error(e); 54 } 55 } 56 57 public static void main(String[] args) { 58 for(int c = 0; c < 20000; c++) { 59 new Test8011901().makeTest(); 60 } 61 System.out.println("Test Passed"); 62 } 63 64 public static final long EXPECTED = 1L << 42; 65 66 public void makeTest() { 67 U.getAndAddLong(this, CTL, EXPECTED); 68 if (ctl != EXPECTED) { 69 throw new RuntimeException("Test failed. Expected: " + EXPECTED + ", but got = " + ctl); 70 } 71 } 72 }