Mercurial > hg > truffle

annotate test/compiler/uncommontrap/TestLockEliminatedAtDeopt.java @ 17847:a57ba009d4dc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239 Summary: biased locking's revoke_bias locks monitor in compiled frame with eliminated lock Reviewed-by: kvn, iveresov
author roland
date Thu, 27 Feb 2014 09:37:16 +0100
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
17847
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
1 /*
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
4 *
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
7 * published by the Free Software Foundation.
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
8 *
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
13 * accompanied this code).
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
14 *
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
18 *
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
21 * questions.
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
22 */
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
23
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
24 /*
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
25 * @test
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
26 * @bug 8032011
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
27 * @summary biased locking's revoke_bias locks monitor in compiled frame with eliminated lock
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
28 * @run main/othervm -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestLockEliminatedAtDeopt$A.m2 -XX:-BackgroundCompilation -XX:BiasedLockingStartupDelay=0 TestLockEliminatedAtDeopt
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
29 *
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
30 */
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
31
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
32 public class TestLockEliminatedAtDeopt {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
33
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
34 static class A {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
35 void m() {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
36 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
37
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
38 // This lock is not eliminated but biased to main thread on
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
39 // first call
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
40 synchronized void m2(boolean trap) {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
41 if (trap) {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
42 new B();
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
43 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
44 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
45 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
46
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
47 static class B extends A {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
48 void m() {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
49 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
50 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
51
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
52 static void m1(boolean trap) {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
53 A a = new A();
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
54 // This lock is eliminated by c2
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
55 synchronized(a) {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
56 a.m2(trap);
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
57 a.m();
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
58 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
59 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
60
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
61 public static void main(String[] args) {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
62 for (int i = 0; i < 20000; i++) {
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
63 m1(false);
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
64 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
65 // Trigger uncommon trap in A.m2() (class unloaded) and
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
66 // deoptimization of m1() (CHA invalidated). Uncommon trap
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
67 // code locks monitor in m1's frame where's it's eliminated.
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
68 m1(true);
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
69 }
a57ba009d4dc 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239
roland
parents:
diff changeset
70 }