1 /* 2 * Copyright (c) 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 import java.lang.reflect.Executable; 24 import java.util.concurrent.Callable; 25 import java.util.Objects; 26 /* 27 * @test 28 * @bug 8130832 29 * @library /testlibrary /../../test/lib /compiler/whitebox /compiler/testlibrary 30 * @build IntrinsicAvailableTest 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * sun.hotspot.WhiteBox$WhiteBoxPermission 33 * @run main/othervm -Xbootclasspath/a:. 34 * -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI 36 * -XX:+UseCRC32Intrinsics 37 * IntrinsicAvailableTest 38 * @run main/othervm -Xbootclasspath/a:. 39 * -XX:+UnlockDiagnosticVMOptions 40 * -XX:+WhiteBoxAPI 41 * -XX:-UseCRC32Intrinsics 42 * IntrinsicAvailableTest 43 */ 44 public class IntrinsicAvailableTest extends CompilerWhiteBoxTest { 45 protected String VMName; 46 47 public IntrinsicAvailableTest(IntrinsicAvailableTestTestCase testCase) { 48 super(testCase); 49 VMName = System.getProperty("java.vm.name"); 50 } 51 52 public static class IntrinsicAvailableTestTestCase implements TestCase { 53 54 public String name() { 55 return "IntrinsicAvailableTestTestCase"; 56 } 57 58 public Executable getExecutable() { 59 // Using a single method to test the 60 // WhiteBox.isIntrinsicAvailable(Executable method, int compLevel) 61 // call for the compilation level corresponding to both the C1 and C2 62 // compiler keeps the current test simple. 63 // 64 // The tested method is java.util.zip.CRC32.update(int, int) because 65 // both C1 and C2 define an intrinsic for the method and 66 // the UseCRC32Intrinsics flag can be used to enable/disable 67 // intrinsification of the method in both product and fastdebug 68 // builds. 69 try { 70 return Class.forName("java.util.zip.CRC32").getDeclaredMethod("update", int.class, int.class); 71 } catch (NoSuchMethodException e) { 72 throw new RuntimeException("Test bug, method unavailable. " + e); 73 } catch (ClassNotFoundException e) { 74 throw new RuntimeException("Test bug, class unavailable. " + e); 75 } 76 } 77 78 public Callable<Integer> getCallable() { 79 return null; 80 } 81 82 public boolean isOsr() { 83 return false; 84 } 85 86 } 87 88 protected void checkIntrinsicForCompilationLevel(Executable method, int compLevel) throws Exception { 89 boolean intrinsicEnabled = Boolean.valueOf(getVMOption("UseCRC32Intrinsics")); 90 boolean intrinsicAvailable = WHITE_BOX.isIntrinsicAvailable(method, 91 compLevel); 92 93 String intrinsicEnabledMessage = intrinsicEnabled ? "enabled" : "disabled"; 94 String intrinsicAvailableMessage = intrinsicAvailable ? "available" : "not available"; 95 96 if (intrinsicEnabled == intrinsicAvailable) { 97 System.out.println("Expected result: intrinsic for java.util.zip.CRC32.update() is " + 98 intrinsicEnabledMessage + " and intrinsic is " + intrinsicAvailableMessage + 99 " at compilation level " + compLevel); 100 } else { 101 throw new RuntimeException("Unexpected result: intrinsic for java.util.zip.CRC32.update() is " + 102 intrinsicEnabledMessage + " but intrinsic is " + intrinsicAvailableMessage + 103 " at compilation level " + compLevel); 104 } 105 } 106 107 protected boolean isServerVM() { 108 return VMName.toLowerCase().contains("server"); 109 } 110 111 public void test() throws Exception { 112 Executable intrinsicMethod = testCase.getExecutable(); 113 if (isServerVM()) { 114 if (TIERED_COMPILATION) { 115 checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE); 116 } 117 checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_FULL_OPTIMIZATION); 118 } else { 119 checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE); 120 } 121 } 122 123 public static void main(String args[]) throws Exception { 124 new IntrinsicAvailableTest(new IntrinsicAvailableTestTestCase()).test(); 125 } 126 }