Mercurial > hg > truffle
annotate test/compiler/7052494/Test7052494.java @ 12986:1b422ef5288a
8025728: Missing volatile specifier for field G1AllocRegion::_alloc_region
Summary: The field G1AllocRegion::_alloc_region needs to be declared volatile as it is used with that intention. Otherwise the compiler may generate the code that reloads the value which might have changed in the meantime, leading to spurious crashes.
Reviewed-by: iveresov, simonis, tschatzl
Contributed-by: Axel Siebenborn <axel.siebenborn@sap.com>
| author | tschatzl |
|---|---|
| date | Wed, 23 Oct 2013 10:23:06 +0200 |
| parents | 3fbb609d9e96 |
| children |
| rev | line source |
|---|---|
| 3782 | 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 */ | |
| 24 | |
| 25 /** | |
| 26 * @test | |
| 27 * @bug 7052494 | |
| 28 * @summary Eclipse test fails on JDK 7 b142 | |
| 29 * | |
| 30 * @run main/othervm -Xbatch Test7052494 | |
| 31 */ | |
| 32 | |
| 33 | |
| 34 public class Test7052494 { | |
| 35 | |
| 36 static int test1(int i, int limit) { | |
| 37 int result = 0; | |
| 38 while (i++ != 0) { | |
| 39 if (result >= limit) | |
| 40 break; | |
| 41 result = i*2; | |
| 42 } | |
| 43 return result; | |
| 44 } | |
| 45 | |
| 46 static int test2(int i, int limit) { | |
| 47 int result = 0; | |
| 48 while (i-- != 0) { | |
| 49 if (result <= limit) | |
| 50 break; | |
| 51 result = i*2; | |
| 52 } | |
| 53 return result; | |
| 54 } | |
| 55 | |
| 56 static void test3(int i, int limit, int arr[]) { | |
| 57 while (i++ != 0) { | |
| 58 if (arr[i-1] >= limit) | |
| 59 break; | |
| 60 arr[i] = i*2; | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 static void test4(int i, int limit, int arr[]) { | |
| 65 while (i-- != 0) { | |
| 66 if (arr[arr.length + i + 1] <= limit) | |
| 67 break; | |
| 68 arr[arr.length + i] = i*2; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 // Empty loop rolls through MAXINT if i > 0 | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
73 |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
74 static final int limit5 = Integer.MIN_VALUE + 10000; |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
75 |
| 3782 | 76 static int test5(int i) { |
| 77 int result = 0; | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
78 while (i++ != limit5) { |
| 3782 | 79 result = i*2; |
| 80 } | |
| 81 return result; | |
| 82 } | |
| 83 | |
| 84 // Empty loop rolls through MININT if i < 0 | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
85 |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
86 static final int limit6 = Integer.MAX_VALUE - 10000; |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
87 |
| 3782 | 88 static int test6(int i) { |
| 89 int result = 0; | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
90 while (i-- != limit6) { |
| 3782 | 91 result = i*2; |
| 92 } | |
| 93 return result; | |
| 94 } | |
| 95 | |
| 96 public static void main(String [] args) { | |
| 97 boolean failed = false; | |
| 98 int[] arr = new int[8]; | |
| 99 int[] ar3 = { 0, 0, 4, 6, 8, 10, 0, 0 }; | |
| 100 int[] ar4 = { 0, 0, 0, -10, -8, -6, -4, 0 }; | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
101 System.out.println("test1"); |
| 3782 | 102 for (int i = 0; i < 11000; i++) { |
| 103 int k = test1(1, 10); | |
| 104 if (k != 10) { | |
| 105 System.out.println("FAILED: " + k + " != 10"); | |
| 106 failed = true; | |
| 107 break; | |
| 108 } | |
| 109 } | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
110 System.out.println("test2"); |
| 3782 | 111 for (int i = 0; i < 11000; i++) { |
| 112 int k = test2(-1, -10); | |
| 113 if (k != -10) { | |
| 114 System.out.println("FAILED: " + k + " != -10"); | |
| 115 failed = true; | |
| 116 break; | |
| 117 } | |
| 118 } | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
119 System.out.println("test3"); |
| 3782 | 120 for (int i = 0; i < 11000; i++) { |
| 121 java.util.Arrays.fill(arr, 0); | |
| 122 test3(1, 10, arr); | |
| 123 if (!java.util.Arrays.equals(arr,ar3)) { | |
| 124 System.out.println("FAILED: arr = { " + arr[0] + ", " | |
| 125 + arr[1] + ", " | |
| 126 + arr[2] + ", " | |
| 127 + arr[3] + ", " | |
| 128 + arr[4] + ", " | |
| 129 + arr[5] + ", " | |
| 130 + arr[6] + ", " | |
| 131 + arr[7] + " }"); | |
| 132 failed = true; | |
| 133 break; | |
| 134 } | |
| 135 } | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
136 System.out.println("test4"); |
| 3782 | 137 for (int i = 0; i < 11000; i++) { |
| 138 java.util.Arrays.fill(arr, 0); | |
| 139 test4(-1, -10, arr); | |
| 140 if (!java.util.Arrays.equals(arr,ar4)) { | |
| 141 System.out.println("FAILED: arr = { " + arr[0] + ", " | |
| 142 + arr[1] + ", " | |
| 143 + arr[2] + ", " | |
| 144 + arr[3] + ", " | |
| 145 + arr[4] + ", " | |
| 146 + arr[5] + ", " | |
| 147 + arr[6] + ", " | |
| 148 + arr[7] + " }"); | |
| 149 failed = true; | |
| 150 break; | |
| 151 } | |
| 152 } | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
153 System.out.println("test5"); |
| 3782 | 154 for (int i = 0; i < 11000; i++) { |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
155 int k = test5(limit6); |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
156 if (k != limit5*2) { |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
157 System.out.println("FAILED: " + k + " != " + limit5*2); |
| 3782 | 158 failed = true; |
| 159 break; | |
| 160 } | |
| 161 } | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
162 System.out.println("test6"); |
| 3782 | 163 for (int i = 0; i < 11000; i++) { |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
164 int k = test6(limit5); |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
165 if (k != limit6*2) { |
|
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
166 System.out.println("FAILED: " + k + " != " + limit6*2); |
| 3782 | 167 failed = true; |
| 168 break; | |
| 169 } | |
| 170 } | |
|
3807
3fbb609d9e96
7067288: compiler regression test Test7052494 timeouts with client VM
kvn
parents:
3782
diff
changeset
|
171 System.out.println("finish"); |
| 3782 | 172 if (failed) |
| 173 System.exit(97); | |
| 174 } | |
| 175 } |