92 lines
3.0 KiB
Java
92 lines
3.0 KiB
Java
/*
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* Copyright (c) 2022, Red Hat, Inc. 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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* @library /test/lib /
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* @bug 8281467
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* @requires vm.flagless
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* @requires os.arch=="amd64" | os.arch=="x86_64"
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*
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* @summary Test large OptoLoopAlignments are accepted
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* @run driver compiler.arguments.TestOptoLoopAlignment
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*/
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package compiler.arguments;
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import java.io.IOException;
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import java.util.List;
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import java.util.Arrays;
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import java.util.ArrayList;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class TestOptoLoopAlignment {
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public static void main(String[] args) throws IOException {
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if (args.length == 0) {
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driver();
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} else {
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System.out.println("Pass");
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}
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}
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private static final String MSG = "must be less or equal to CodeEntryAlignment";
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private static List<String> cmdline(String[] args) {
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List<String> r = new ArrayList();
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r.addAll(Arrays.asList(args));
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r.add("compiler.arguments.TestOptoLoopAlignment");
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r.add("run");
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return r;
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}
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public static void shouldFail(String... args) throws IOException {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(cmdline(args));
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotHaveExitValue(0);
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output.shouldContain(MSG);
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}
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public static void shouldPass(String... args) throws IOException {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(cmdline(args));
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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output.shouldNotContain(MSG);
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}
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public static void driver() throws IOException {
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for (int align = 1; align < 64; align *= 2) {
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shouldPass(
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"-XX:OptoLoopAlignment=" + align
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);
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}
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for (int align = 64; align <= 128; align *= 2) {
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shouldFail(
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"-XX:OptoLoopAlignment=" + align
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);
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}
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}
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}
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