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comparison test/compiler/arguments/TestUseCountTrailingZerosInstructionOnSupportedCPU.java @ 17816:3829d0343db0

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8038193: Add command line option tests for BMI options Reviewed-by: iveresov, kvn, iignatyev Contributed-by: filipp.zhinkin@oracle.com
author iignatyev
date Thu, 27 Mar 2014 17:29:41 +0400
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17815:23262dd70c13 17816:3829d0343db0
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 * @summary Verify processing of UseCountTrailingZerosInstruction option
28 * on CPU with TZCNT (BMI1 feature) support.
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestUseCountTrailingZerosInstructionOnSupportedCPU
31 * BMISupportedCPUTest
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI
35 * TestUseCountTrailingZerosInstructionOnSupportedCPU
36 */
37
38 import sun.hotspot.cpuinfo.CPUInfo;
39 import com.oracle.java.testlibrary.*;
40 import com.oracle.java.testlibrary.cli.*;
41
42 public class TestUseCountTrailingZerosInstructionOnSupportedCPU
43 extends BMISupportedCPUTest {
44
45 public TestUseCountTrailingZerosInstructionOnSupportedCPU() {
46 super("UseCountTrailingZerosInstruction", TZCNT_WARNING, "bmi1");
47 }
48
49 @Override
50 public void runTestCases() throws Throwable {
51
52 super.runTestCases();
53
54 // verify that option will be disabled if all BMI1 instuctions
55 // are explicitly disabled
56 CommandLineOptionTest.
57 verifyOptionValue("UseCountTrailingZerosInstruction", "false",
58 "-XX:-UseBMI1Instructions");
59
60 // verify that option could be turned on even if other BMI1
61 // instructions were turned off
62 CommandLineOptionTest.
63 verifyOptionValue("UseCountTrailingZerosInstruction", "true",
64 "-XX:-UseBMI1Instructions",
65 "-XX:+UseCountTrailingZerosInstruction");
66 }
67
68 public static void main(String args[]) throws Throwable {
69 new TestUseCountTrailingZerosInstructionOnSupportedCPU().test();
70 }
71 }
72