jdk8-mips64-public/hotspot: test/compiler/arguments/TestUseCountTrailingZerosInstructionOnUnsupportedCPU.java@dbb05f6d93c4

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

     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  */

    24 /**

    25  * @test

    26  * @bug 8031321

    27  * @summary Verify processing of UseCountTrailingZerosInstruction option

    28  *          on CPU without TZCNT instuction (BMI1 feature) support.

    29  * @library /testlibrary /testlibrary/whitebox

    30  * @build TestUseCountTrailingZerosInstructionOnUnsupportedCPU

    31  *        BMIUnsupportedCPUTest

    32  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    33  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    34  *                   -XX:+WhiteBoxAPI

    35  *                   TestUseCountTrailingZerosInstructionOnUnsupportedCPU

    36  */

    38 import sun.hotspot.cpuinfo.CPUInfo;

    39 import com.oracle.java.testlibrary.*;

    40 import com.oracle.java.testlibrary.cli.*;

    42 public class TestUseCountTrailingZerosInstructionOnUnsupportedCPU

    43      extends BMIUnsupportedCPUTest {

    45     public TestUseCountTrailingZerosInstructionOnUnsupportedCPU() {

    46         super("UseCountTrailingZerosInstruction", TZCNT_WARNING, "bmi1");

    47     }

    49     @Override

    50     public void unsupportedX86CPUTestCases() throws Throwable {

    52         super.unsupportedX86CPUTestCases();

    54         // verify that option will not be turned on during

    55         // UseBMI1Instuctions processing

    56         CommandLineOptionTest.

    57             verifyOptionValue("UseCountTrailingZerosInstruction", "false",

    58                               "-XX:+UseBMI1Instructions");

    60         CommandLineOptionTest.

    61             verifyOptionValue("UseCountTrailingZerosInstruction", "false",

    62                               "-XX:+UseCountTrailingZerosInstruction",

    63                               "-XX:+UseBMI1Instructions");

    64     }

    66     public static void main(String args[]) throws Throwable {

    67         new TestUseCountTrailingZerosInstructionOnUnsupportedCPU().test();

    68     }

    69 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/arguments/TestUseCountTrailingZerosInstructionOnUnsupportedCPU.java@dbb05f6d93c4

test/compiler/arguments/TestUseCountTrailingZerosInstructionOnUnsupportedCPU.java