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 /* 25 * @test 26 * @summary C2 should use ldar, stlr and ldaxr+stlxr insns for volatile operations 27 * @library /test/lib / 28 * 29 * @modules java.base/jdk.internal.misc 30 * 31 * @requires os.arch=="aarch64" & vm.debug == true & 32 * vm.flavor == "server" & !vm.graal.enabled & 33 * vm.gc.Shenandoah 34 * 35 * @build compiler.c2.aarch64.TestVolatiles 36 * compiler.c2.aarch64.TestVolatileLoad 37 * compiler.c2.aarch64.TestUnsafeVolatileLoad 38 * compiler.c2.aarch64.TestVolatileStore 39 * compiler.c2.aarch64.TestUnsafeVolatileStore 40 * compiler.c2.aarch64.TestUnsafeVolatileCAS 41 * 42 * @run driver compiler.c2.aarch64.TestVolatilesSerial 43 * TestVolatileLoad Shenandoah 44 * 45 * @run driver compiler.c2.aarch64.TestVolatilesSerial 46 * TestVolatileStore Shenandoah 47 * 48 * @run driver compiler.c2.aarch64.TestVolatilesSerial 49 * TestUnsafeVolatileLoad Shenandoah 50 * 51 * @run driver compiler.c2.aarch64.TestVolatilesSerial 52 * TestUnsafeVolatileStore Shenandoah 53 * 54 * @run driver compiler.c2.aarch64.TestVolatilesSerial 55 * TestUnsafeVolatileCAS Shenandoah 56 * 57 * @run driver compiler.c2.aarch64.TestVolatilesSerial 58 * TestVolatileLoad ShenandoahTraversal 59 * 60 * @run driver compiler.c2.aarch64.TestVolatilesSerial 61 * TestVolatileStore ShenandoahTraversal 62 * 63 * @run driver compiler.c2.aarch64.TestVolatilesSerial 64 * TestUnsafeVolatileLoad ShenandoahTraversal 65 * 66 * @run driver compiler.c2.aarch64.TestVolatilesSerial 67 * TestUnsafeVolatileStore ShenandoahTraversal 68 * 69 * @run driver compiler.c2.aarch64.TestVolatilesSerial 70 * TestUnsafeVolatileCAS ShenandoahTraversal 71 */ 72 73 package compiler.c2.aarch64; 74 75 public class TestVolatilesShenandoah { 76 public static void main(String args[]) throws Throwable 77 { 78 // delegate work to shared code 79 new TestVolatiles().runtest(args[0], args[1]); 80 } 81 }