jdk8-mips64-public/hotspot: test/compiler/7199742/Test7199742.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) 2012, 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 7199742

    28  * @summary A lot of C2 OSR compilations of the same method's bci

    29  *

    30  * @run main/othervm -Xmx32m -Xbatch Test7199742

    31  */

    33 public class Test7199742 {

    34   private static final int ITERS  = 10000000;

    35   public static void main(String args[]) {

    36     Test7199742 t = new Test7199742();

    37     for (int i=0; i<10; i++) {

    38       test(t, 7);

    39     }

    40   }

    41   static Test7199742 test(Test7199742 t, int m) {

    42     int i = -(ITERS/2);

    43     if (i == 0) return null;

    44     Test7199742 v = null;

    45     while(i < ITERS) {

    46       if ((i&m) == 0) {

    47         v = t;

    48       }

    49       i++;

    50     }

    51     return v;

    52   }

    53 }

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

test/compiler/7199742/Test7199742.java@dbb05f6d93c4

test/compiler/7199742/Test7199742.java