jdk8-mips64-public/hotspot: test/compiler/6891750/Test6891750.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) 2009, 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  */

    25 /**

    26  * @test

    27  * @bug 6891750

    28  * @summary deopt blob kills values in O5

    29  *

    30  * @run main Test6891750

    31  */

    33 abstract class Base6891750 extends Thread {

    34     abstract public long m();

    35 }

    36 class Other6891750 extends Base6891750 {

    37     public long m() {

    38         return 0;

    39     }

    40 }

    42 public class Test6891750 extends Base6891750 {

    43     Base6891750 d;

    44     volatile long  value = 9;

    46     static int limit = 400000;

    48     Test6891750() {

    49         d = this;

    51     }

    52     public long m() {

    53         return value;

    54     }

    56     public long test(boolean doit) {

    57         if (doit) {

    58             long total0 = 0;

    59             long total1 = 0;

    60             long total2 = 0;

    61             long total3 = 0;

    62             long total4 = 0;

    63             long total5 = 0;

    64             long total6 = 0;

    65             long total7 = 0;

    66             long total8 = 0;

    67             long total9 = 0;

    68             for (int i = 0; i < limit; i++) {

    69                 total0 += d.m();

    70                 total1 += d.m();

    71                 total2 += d.m();

    72                 total3 += d.m();

    73                 total4 += d.m();

    74                 total5 += d.m();

    75                 total6 += d.m();

    76                 total7 += d.m();

    77                 total8 += d.m();

    78                 total9 += d.m();

    79             }

    80             return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9;

    81         }

    82         return 0;

    83     }

    85     public void run() {

    86         long result = test(true);

    87         for (int i = 0; i < 300; i++) {

    88             long result2 = test(true);

    89             if (result != result2) {

    90                 throw new InternalError(result + " != " + result2);

    91             }

    92         }

    93     }

    95     public static void main(String[] args) throws Exception {

    96         Test6891750 Test6891750 = new Test6891750();

    97         // warm it up

    98         for (int i = 0; i < 200000; i++) {

    99             Test6891750.test(false);

   100         }

   101         // set in off running

   102         Test6891750.start();

   103         Thread.sleep(2000);

   105         // Load a class to invalidate CHA

   106         new Other6891750();

   107     }

   108 }

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

test/compiler/6891750/Test6891750.java@dbb05f6d93c4

test/compiler/6891750/Test6891750.java