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