jdk8-mips64-public/hotspot: test/compiler/5091921/Test7020614.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) 2011, 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 7020614

    28  * @summary "-server" mode optimizer makes code hang

    29  *

    30  * @run main/othervm/timeout=30 -Xbatch Test7020614

    31  */

    33 public class Test7020614 {

    35     private static final int ITERATIONS = 1000;

    36     private static int doNotOptimizeOut = 0;

    38     public static long bitCountShort() {

    39         long t0 = System.currentTimeMillis();

    40         int sum = 0;

    41         for (int it = 0; it < ITERATIONS; ++it) {

    42             short value = 0;

    43             do {

    44                 sum += Integer.bitCount(value);

    45             } while (++value != 0);

    46         }

    47         doNotOptimizeOut += sum;

    48         return System.currentTimeMillis() - t0;

    49     }

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

    52         for (int i = 0; i < 4; ++i) {

    53             System.out.println((i + 1) + ": " + bitCountShort());

    54         }

    55         System.out.println("doNotOptimizeOut value: " + doNotOptimizeOut);

    56     }

    57 }

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

test/compiler/5091921/Test7020614.java@dbb05f6d93c4

test/compiler/5091921/Test7020614.java