93 lines
3.3 KiB
Java
93 lines
3.3 KiB
Java
/*
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* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
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* Copyright (c) 2023, Huawei Technologies Co., Ltd. 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 TestOnSpinWaitRISCV64
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* @summary Checks that java.lang.Thread.onSpinWait is intrinsified with instructions
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* @library /test/lib
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*
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* @requires vm.flagless
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* @requires os.arch=="riscv64"
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*
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* @run driver compiler.onSpinWait.TestOnSpinWaitRISCV64 c1
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* @run driver compiler.onSpinWait.TestOnSpinWaitRISCV64 c2
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*/
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package compiler.onSpinWait;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.ListIterator;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class TestOnSpinWaitRISCV64 {
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public static void main(String[] args) throws Exception {
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String compiler = args[0];
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ArrayList<String> command = new ArrayList<String>();
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command.add("-XX:+IgnoreUnrecognizedVMOptions");
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command.add("-showversion");
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command.add("-XX:+UnlockDiagnosticVMOptions");
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command.add("-XX:+PrintCompilation");
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command.add("-XX:+PrintInlining");
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command.add("-XX:+UnlockExperimentalVMOptions");
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command.add("-XX:+UseZihintpause");
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if (compiler.equals("c2")) {
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command.add("-XX:-TieredCompilation");
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} else if (compiler.equals("c1")) {
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command.add("-XX:+TieredCompilation");
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command.add("-XX:TieredStopAtLevel=1");
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} else {
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throw new RuntimeException("Unknown compiler: " + compiler);
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}
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command.add("-Xbatch");
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command.add(Launcher.class.getName());
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(command);
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OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
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analyzer.shouldHaveExitValue(0);
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if (compiler.equals("c2")) {
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analyzer.shouldContain("java.lang.Thread::onSpinWait (1 bytes) (intrinsic)");
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} else {
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analyzer.shouldContain("java.lang.Thread::onSpinWait (1 bytes) intrinsic");
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}
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}
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static class Launcher {
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public static void main(final String[] args) throws Exception {
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int end = 20_000;
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for (int i=0; i < end; i++) {
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test();
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}
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}
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static void test() {
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java.lang.Thread.onSpinWait();
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}
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}
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}
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