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annotate test/compiler/intrinsics/bmi/verifycode/LZcntTestI.java @ 17868:72558bacada3

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8038953: Add sanity tests for BMI1 and LZCNT instructions Reviewed-by: kvn, iignatyev Contributed-by: anton.ivanov@oracle.com
author iignatyev
date Fri, 11 Apr 2014 00:34:51 +0400
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17868
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @bug 8031321
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27 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox ..
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28 * @build LZcntTestI
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29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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30 * @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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31 * -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountLeadingZerosInstruction LZcntTestI
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32 */
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33
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34 import java.lang.reflect.Method;
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35
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36 public class LZcntTestI extends BmiIntrinsicBase.BmiTestCase {
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37
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38 protected LZcntTestI(Method method) {
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39 super(method);
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40 instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
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41 instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBD};
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42 }
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43
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44 public static void main(String[] args) throws Exception {
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45 // j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods
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46 System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class);
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47 BmiIntrinsicBase.verifyTestCase(LZcntTestI::new, TestLzcntI.LzcntIExpr.class.getDeclaredMethods());
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48 }
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49
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50 @Override
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51 protected String getVMFlag() {
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52 return "UseCountLeadingZerosInstruction";
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53 }
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54
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55 @Override
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56 protected String getCpuFlag() {
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57 return "lzcnt";
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58 }
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59 }