1 /* 2 * Copyright (c) 2016, 2017, 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 InterpreterMethodEntries 26 * @bug 8169711 27 * @summary Test interpreter method entries for intrinsics with CDS (class data sharing) 28 * and different settings of the intrinsic flag during dump/use of the archive. 29 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) 30 * @library /test/lib 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @run main TestInterpreterMethodEntries 34 */ 35 36 import java.lang.Math; 37 import java.util.zip.CRC32; 38 import java.util.zip.CRC32C; 39 import jdk.test.lib.cds.CDSOptions; 40 import jdk.test.lib.cds.CDSTestUtils; 41 import jdk.test.lib.process.OutputAnalyzer; 42 43 public class TestInterpreterMethodEntries { 44 45 public static void main(String[] args) throws Exception { 46 if (args.length == 0) { 47 // Dump and use shared archive with different flag combinations 48 dumpAndUseSharedArchive("+", "-"); 49 dumpAndUseSharedArchive("-", "+"); 50 } else { 51 // Call intrinsified java.lang.Math::fma() 52 Math.fma(1.0, 2.0, 3.0); 53 54 byte[] buffer = new byte[256]; 55 // Call intrinsified java.util.zip.CRC32::update() 56 CRC32 crc32 = new CRC32(); 57 crc32.update(buffer, 0, 256); 58 59 // Call intrinsified java.util.zip.CRC32C::updateBytes(..) 60 CRC32C crc32c = new CRC32C(); 61 crc32c.update(buffer, 0, 256); 62 } 63 } 64 65 private static void dumpAndUseSharedArchive(String dump, String use) throws Exception { 66 String unlock = "-XX:+UnlockDiagnosticVMOptions"; 67 68 String dumpFMA = "-XX:" + dump + "UseFMA"; 69 String dumpCRC32 = "-XX:" + dump + "UseCRC32Intrinsics"; 70 String dumpCRC32C = "-XX:" + dump + "UseCRC32CIntrinsics"; 71 String useFMA = "-XX:" + use + "UseFMA"; 72 String useCRC32 = "-XX:" + use + "UseCRC32Intrinsics"; 73 String useCRC32C = "-XX:" + use + "UseCRC32CIntrinsics"; 74 75 CDSTestUtils.createArchiveAndCheck(unlock, dumpFMA, dumpCRC32, dumpCRC32C); 76 77 CDSOptions opts = (new CDSOptions()) 78 .addPrefix(unlock, useFMA, useCRC32, useCRC32C, "-showversion") 79 .addSuffix("TestInterpreterMethodEntries", "run") 80 .setUseVersion(false); 81 CDSTestUtils.runWithArchiveAndCheck(opts); 82 } 83 } 84