162 lines
6.7 KiB
Java
162 lines
6.7 KiB
Java
/*
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* Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8130832
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* @modules java.base/jdk.internal.misc
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* @library /test/lib /
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*
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:+UseCRC32Intrinsics
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* compiler.intrinsics.IntrinsicAvailableTest
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:-UseCRC32Intrinsics
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* compiler.intrinsics.IntrinsicAvailableTest
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:ControlIntrinsic=+_updateCRC32
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* -XX:-UseCRC32Intrinsics
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* compiler.intrinsics.IntrinsicAvailableTest
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:ControlIntrinsic=-_updateCRC32
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* -XX:+UseCRC32Intrinsics
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* compiler.intrinsics.IntrinsicAvailableTest
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*
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:ControlIntrinsic=+_updateCRC32
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* -XX:+UseCRC32Intrinsics
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* compiler.intrinsics.IntrinsicAvailableTest
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*/
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package compiler.intrinsics;
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import compiler.whitebox.CompilerWhiteBoxTest;
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import jdk.test.lib.Platform;
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import java.lang.reflect.Executable;
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import java.util.concurrent.Callable;
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public class IntrinsicAvailableTest extends CompilerWhiteBoxTest {
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public IntrinsicAvailableTest(IntrinsicAvailableTestTestCase testCase) {
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super(testCase);
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}
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public static class IntrinsicAvailableTestTestCase implements TestCase {
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public String name() {
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return "IntrinsicAvailableTestTestCase";
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}
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public Executable getExecutable() {
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// Using a single method to test the
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// WhiteBox.isIntrinsicAvailable(Executable method, int compLevel)
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// call for the compilation level corresponding to both the C1 and C2
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// compiler keeps the current test simple.
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//
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// The tested method is java.util.zip.CRC32.update(int, int) because
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// both C1 and C2 define an intrinsic for the method and
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// the UseCRC32Intrinsics flag can be used to enable/disable
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// intrinsification of the method in both product and fastdebug
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// builds.
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try {
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return Class.forName("java.util.zip.CRC32").getDeclaredMethod("update", int.class, int.class);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException("Test bug, method unavailable. " + e);
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} catch (ClassNotFoundException e) {
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throw new RuntimeException("Test bug, class unavailable. " + e);
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}
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}
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public Callable<Integer> getCallable() {
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return null;
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}
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public boolean isOsr() {
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return false;
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}
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}
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protected void checkIntrinsicForCompilationLevel(Executable method, int compLevel) throws Exception {
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boolean intrinsicEnabled = true;
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String controlIntrinsic = getVMOption("ControlIntrinsic", "");
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if (controlIntrinsic.contains("+_updateCRC32")) {
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intrinsicEnabled = true;
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} else if (controlIntrinsic.contains("-_updateCRC32")) {
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intrinsicEnabled = false;
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}
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intrinsicEnabled &= Boolean.valueOf(getVMOption("UseCRC32Intrinsics"));
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boolean intrinsicAvailable = WHITE_BOX.isIntrinsicAvailable(method,
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compLevel);
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String intrinsicEnabledMessage = intrinsicEnabled ? "enabled" : "disabled";
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String intrinsicAvailableMessage = intrinsicAvailable ? "available" : "not available";
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if (intrinsicEnabled == intrinsicAvailable) {
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System.out.println("Expected result: intrinsic for java.util.zip.CRC32.update() is " +
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intrinsicEnabledMessage + " and intrinsic is " + intrinsicAvailableMessage +
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" at compilation level " + compLevel);
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} else {
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throw new RuntimeException("Unexpected result: intrinsic for java.util.zip.CRC32.update() is " +
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intrinsicEnabledMessage + " but intrinsic is " + intrinsicAvailableMessage +
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" at compilation level " + compLevel);
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}
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}
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public void test() throws Exception {
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Executable intrinsicMethod = testCase.getExecutable();
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if (Platform.isServer() && !Platform.isEmulatedClient() && (TIERED_STOP_AT_LEVEL == COMP_LEVEL_FULL_OPTIMIZATION)) {
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if (TIERED_COMPILATION) {
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checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE);
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}
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// Dont bother check JVMCI compiler - returns false on all intrinsics.
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if (!Boolean.valueOf(getVMOption("UseJVMCICompiler"))) {
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checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_FULL_OPTIMIZATION);
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}
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} else {
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checkIntrinsicForCompilationLevel(intrinsicMethod, COMP_LEVEL_SIMPLE);
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}
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}
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public static void main(String args[]) throws Exception {
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new IntrinsicAvailableTest(new IntrinsicAvailableTestTestCase()).test();
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}
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}
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