| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8130832 |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib / |
| * |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * -XX:+UseCRC32Intrinsics |
| * compiler.intrinsics.IntrinsicAvailableTest |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * -XX:-UseCRC32Intrinsics |
| * compiler.intrinsics.IntrinsicAvailableTest |
| */ |
| |
| |
| package compiler.intrinsics; |
| |
| import compiler.whitebox.CompilerWhiteBoxTest; |
| import jdk.test.lib.Platform; |
| |
| import java.lang.reflect.Executable; |
| import java.util.concurrent.Callable; |
| |
| public class IntrinsicAvailableTest extends CompilerWhiteBoxTest { |
| |
| public IntrinsicAvailableTest(IntrinsicAvailableTestTestCase testCase) { |
| super(testCase); |
| } |
| |
| public static class IntrinsicAvailableTestTestCase implements TestCase { |
| |
| public String name() { |
| return "IntrinsicAvailableTestTestCase"; |
| } |
| |
| public Executable getExecutable() { |
| // Using a single method to test the |
| // WhiteBox.isIntrinsicAvailable(Executable method, int compLevel) |
| // call for the compilation level corresponding to both the C1 and C2 |
| // compiler keeps the current test simple. |
| // |
| // The tested method is java.util.zip.CRC32.update(int, int) because |
| // both C1 and C2 define an intrinsic for the method and |
| // the UseCRC32Intrinsics flag can be used to enable/disable |
| // intrinsification of the method in both product and fastdebug |
| // builds. |
| try { |
| return Class.forName("java.util.zip.CRC32").getDeclaredMethod("update", int.class, int.class); |
| } catch (NoSuchMethodException e) { |
| throw new RuntimeException("Test bug, method unavailable. " + e); |
| } catch (ClassNotFoundException e) { |
| throw new RuntimeException("Test bug, class unavailable. " + e); |
| } |
| } |
| |
| public Callable<Integer> getCallable() { |
| return null; |
| } |
| |
| public boolean isOsr() { |
| return false; |
| } |
| |
| } |
| |
| protected void checkIntrinsicForCompilationLevel(Executable method, int compLevel) throws Exception { |
| boolean intrinsicEnabled = Boolean.valueOf(getVMOption("UseCRC32Intrinsics")); |
| boolean intrinsicAvailable = WHITE_BOX.isIntrinsicAvailable(method, |
| compLevel); |
| |
| String intrinsicEnabledMessage = intrinsicEnabled ? "enabled" : "disabled"; |
| String intrinsicAvailableMessage = intrinsicAvailable ? "available" : "not available"; |
| |
| if (intrinsicEnabled == intrinsicAvailable) { |
| System.out.println("Expected result: intrinsic for java.util.zip.CRC32.update() is " + |
| intrinsicEnabledMessage + " and intrinsic is " + intrinsicAvailableMessage + |
| " at compilation level " + compLevel); |
| } else { |
| throw new RuntimeException("Unexpected result: intrinsic for java.util.zip.CRC32.update() is " + |
| intrinsicEnabledMessage + " but intrinsic is " + intrinsicAvailableMessage + |
| " at compilation level " + compLevel); |
| } |
| } |
| |
| public void test() throws Exception { |
| Executable intrinsicMethod = testCase.getExecutable(); |
| if (Platform.isServer() && (TIERED_STOP_AT_LEVEL == COMP_LEVEL_FULL_OPTIMIZATION)) { |
| if (TIERED_COMPILATION) { |
| checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE); |
| } |
| // Dont bother check JVMCI compiler - returns false on all intrinsics. |
| if (!Boolean.valueOf(getVMOption("UseJVMCICompiler"))) { |
| checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_FULL_OPTIMIZATION); |
| } |
| } else { |
| checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE); |
| } |
| } |
| |
| public static void main(String args[]) throws Exception { |
| new IntrinsicAvailableTest(new IntrinsicAvailableTestTestCase()).test(); |
| } |
| } |