1 /* 2 * Copyright (c) 2018, Red Hat, Inc. 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 package compiler.c2.aarch64; 25 26 class TestVolatileStore 27 { 28 public volatile int f_int = 0; 29 public volatile Integer f_obj = Integer.valueOf(0); 30 main(String[] args)31 public static void main(String[] args) 32 { 33 final TestVolatileStore t = new TestVolatileStore(); 34 for (int i = 0; i < 100_000; i++) { 35 t.f_int = -1; 36 t.testInt(i); 37 if (t.f_int != i) { 38 throw new RuntimeException("bad result!"); 39 } 40 } 41 for (int i = 0; i < 100_000; i++) { 42 t.f_obj = null; 43 t.testObj(Integer.valueOf(i)); 44 if (t.f_obj != i) { 45 throw new RuntimeException("bad result!"); 46 } 47 } 48 } testInt(int i)49 public void testInt(int i) 50 { 51 f_int = i; 52 } 53 testObj(Integer o)54 public void testObj(Integer o) 55 { 56 f_obj = o; 57 } 58 } 59