60 lines
2.3 KiB
Java
60 lines
2.3 KiB
Java
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/*
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* Copyright (c) 2014, 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 8031321
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* @library /testlibrary /testlibrary/whitebox /compiler/whitebox ..
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* @build LZcntTestI
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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* -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountLeadingZerosInstruction LZcntTestI
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*/
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import java.lang.reflect.Method;
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public class LZcntTestI extends BmiIntrinsicBase.BmiTestCase {
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protected LZcntTestI(Method method) {
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super(method);
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instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
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instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBD};
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}
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public static void main(String[] args) throws Exception {
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// j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods
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System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class);
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BmiIntrinsicBase.verifyTestCase(LZcntTestI::new, TestLzcntI.LzcntIExpr.class.getDeclaredMethods());
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}
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@Override
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protected String getVMFlag() {
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return "UseCountLeadingZerosInstruction";
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}
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@Override
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protected String getCpuFlag() {
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return "lzcnt";
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}
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}
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