author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 40062 | hotspot/test/compiler/membars/DekkerTest.java@3b21b3295f19 |
permissions | -rw-r--r-- |
18956
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
1 |
/* |
35594 | 2 |
* Copyright (c) 2013 SAP SE. All rights reserved. |
18956
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
4 |
* |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
8 |
* |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
13 |
* accompanied this code). |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
14 |
* |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
18 |
* |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
21 |
* questions. |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
22 |
*/ |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
23 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
24 |
/** |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
25 |
* @test |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
26 |
* @bug 8007898 |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
27 |
* @summary Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier(). |
40062
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
28 |
* @run main/othervm -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
29 |
* -XX:-TieredCompilation -XX:CICompilerCount=1 -XX:+StressGCM -XX:+StressLCM |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
30 |
* compiler.membars.DekkerTest |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
31 |
* @run main/othervm -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
32 |
* -XX:-TieredCompilation -XX:CICompilerCount=1 -XX:+StressGCM -XX:+StressLCM |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
33 |
* compiler.membars.DekkerTest |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
34 |
* @run main/othervm -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
35 |
* -XX:-TieredCompilation -XX:CICompilerCount=1 -XX:+StressGCM -XX:+StressLCM |
3b21b3295f19
8160761: [TESTBUG] Several compiler tests fail with product bits
ppunegov
parents:
40059
diff
changeset
|
36 |
* compiler.membars.DekkerTest |
18956
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
37 |
* @author Martin Doerr martin DOT doerr AT sap DOT com |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
38 |
* |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
39 |
* Run 3 times since the failure is intermittent. |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
40 |
*/ |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
41 |
|
40059 | 42 |
package compiler.membars; |
43 |
||
18956
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
44 |
public class DekkerTest { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
45 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
46 |
/* |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
47 |
Read After Write Test (basically a simple Dekker test with volatile variables) |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
48 |
Derived from the original jcstress test, available at: |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
49 |
http://hg.openjdk.java.net/code-tools/jcstress/file/6c339a5aa00d/ |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
50 |
tests-custom/src/main/java/org/openjdk/jcstress/tests/volatiles/DekkerTest.java |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
51 |
*/ |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
52 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
53 |
static final int ITERATIONS = 1000000; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
54 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
55 |
static class TestData { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
56 |
public volatile int a; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
57 |
public volatile int b; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
58 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
59 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
60 |
static class ResultData { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
61 |
public int a; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
62 |
public int b; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
63 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
64 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
65 |
TestData[] testDataArray; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
66 |
ResultData[] results; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
67 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
68 |
volatile boolean start; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
69 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
70 |
public DekkerTest() { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
71 |
testDataArray = new TestData[ITERATIONS]; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
72 |
results = new ResultData[ITERATIONS]; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
73 |
for (int i = 0; i < ITERATIONS; ++i) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
74 |
testDataArray[i] = new TestData(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
75 |
results[i] = new ResultData(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
76 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
77 |
start = false; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
78 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
79 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
80 |
public void reset() { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
81 |
for (int i = 0; i < ITERATIONS; ++i) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
82 |
testDataArray[i].a = 0; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
83 |
testDataArray[i].b = 0; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
84 |
results[i].a = 0; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
85 |
results[i].b = 0; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
86 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
87 |
start = false; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
88 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
89 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
90 |
int actor1(TestData t) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
91 |
t.a = 1; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
92 |
return t.b; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
93 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
94 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
95 |
int actor2(TestData t) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
96 |
t.b = 1; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
97 |
return t.a; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
98 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
99 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
100 |
class Runner1 extends Thread { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
101 |
public void run() { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
102 |
do {} while (!start); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
103 |
for (int i = 0; i < ITERATIONS; ++i) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
104 |
results[i].a = actor1(testDataArray[i]); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
105 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
106 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
107 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
108 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
109 |
class Runner2 extends Thread { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
110 |
public void run() { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
111 |
do {} while (!start); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
112 |
for (int i = 0; i < ITERATIONS; ++i) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
113 |
results[i].b = actor2(testDataArray[i]); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
114 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
115 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
116 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
117 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
118 |
void testRunner() { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
119 |
Thread thread1 = new Runner1(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
120 |
Thread thread2 = new Runner2(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
121 |
thread1.start(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
122 |
thread2.start(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
123 |
do {} while (!thread1.isAlive()); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
124 |
do {} while (!thread2.isAlive()); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
125 |
start = true; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
126 |
Thread.yield(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
127 |
try { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
128 |
thread1.join(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
129 |
thread2.join(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
130 |
} catch (InterruptedException e) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
131 |
System.out.println("interrupted!"); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
132 |
System.exit(1); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
133 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
134 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
135 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
136 |
boolean printResult() { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
137 |
int[] count = new int[4]; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
138 |
for (int i = 0; i < ITERATIONS; ++i) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
139 |
int event_kind = (results[i].a << 1) + results[i].b; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
140 |
++count[event_kind]; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
141 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
142 |
if (count[0] == 0 && count[3] == 0) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
143 |
System.out.println("[not interesting]"); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
144 |
return false; // not interesting |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
145 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
146 |
String error = (count[0] == 0) ? " ok" : " disallowed!"; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
147 |
System.out.println("[0,0] " + count[0] + error); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
148 |
System.out.println("[0,1] " + count[1]); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
149 |
System.out.println("[1,0] " + count[2]); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
150 |
System.out.println("[1,1] " + count[3]); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
151 |
return (count[0] != 0); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
152 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
153 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
154 |
public static void main(String args[]) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
155 |
DekkerTest test = new DekkerTest(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
156 |
final int runs = 30; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
157 |
int failed = 0; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
158 |
for (int c = 0; c < runs; ++c) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
159 |
test.testRunner(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
160 |
if (test.printResult()) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
161 |
failed++; |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
162 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
163 |
test.reset(); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
164 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
165 |
if (failed > 0) { |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
166 |
throw new InternalError("FAILED. Got " + failed + " failed ITERATIONS"); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
167 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
168 |
System.out.println("PASSED."); |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
169 |
} |
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
170 |
|
f8fc5dd18a1d
8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier()
kvn
parents:
diff
changeset
|
171 |
} |