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comparison test/compiler/intrinsics/bmi/verifycode/TZcntTestI.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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17867:b127b0d6de7f 17868:72558bacada3
1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8031321
27 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox ..
28 * @build TZcntTestI
29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
30 * @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
31 * -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountTrailingZerosInstruction TZcntTestI
32 */
33
34 import java.lang.reflect.Method;
35
36 public class TZcntTestI extends BmiIntrinsicBase.BmiTestCase {
37
38 protected TZcntTestI(Method method) {
39 super(method);
40 instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
41 instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBC};
42 }
43
44 public static void main(String[] args) throws Exception {
45 // j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods
46 System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class);
47 BmiIntrinsicBase.verifyTestCase(TZcntTestI::new, TestTzcntI.TzcntIExpr.class.getDeclaredMethods());
48 }
49
50 @Override
51 protected String getVMFlag() {
52 return "UseCountTrailingZerosInstruction";
53 }
54 }