Mercurial > hg > truffle
annotate test/compiler/6636138/Test2.java @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 12 Nov 2012 14:03:53 -0800 |
| parents | c18cbe5936b8 |
| children | 7369298bec7e |
| rev | line source |
|---|---|
| 667 | 1 /* |
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2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
| 667 | 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 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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parents:
952
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changeset
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
952
diff
changeset
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20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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parents:
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changeset
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21 * questions. |
| 667 | 22 */ |
| 23 | |
| 24 /** | |
| 25 * @test | |
| 26 * @bug 6636138 | |
| 27 * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation. | |
| 28 * | |
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9610b2a8ab4e
6829021: tests for 6636138 use UseSuperword instead of UseSuperWord
cfang
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29 * @run main/othervm -server -Xbatch -XX:CompileOnly=Test2.shift Test2 |
| 667 | 30 */ |
| 31 | |
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6837906: compiler tests of 6636138 fail with IllegalAccessException
twisti
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32 public class Test2 { |
| 667 | 33 |
| 34 public static void init(int src[]) { | |
| 35 // Initialize the array | |
| 36 for (int i = 0; i < src.length; i++) | |
| 37 src[i] = i; | |
| 38 } | |
| 39 | |
| 40 public static void shift(int src[]) { | |
| 41 //left-shift the array | |
| 42 for (int i = src.length-1; i > 0; i--){ | |
| 43 int tmp = src[i]; | |
| 44 src[i] = src[i-1]; | |
| 45 src[i-1] = tmp; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 public static void verify(int src[]) { | |
| 50 for (int i = 0; i < src.length; i++){ | |
| 51 int value = (i-1 + src.length)%src.length; // correct value after shifting | |
| 52 if (src[i] != value) { | |
| 53 System.out.println("Error: src["+i+"] should be "+ value + " instead of " + src[i]); | |
| 952 | 54 System.exit(97); |
| 667 | 55 } |
| 56 } | |
| 57 } | |
| 58 | |
| 59 public static void test() { | |
| 60 int[] src = new int[10]; | |
| 61 init(src); | |
| 62 shift(src); | |
| 63 verify(src); | |
| 64 } | |
| 65 | |
| 66 public static void main(String[] args) { | |
| 67 for (int i=0; i< 2000; i++) | |
| 68 test(); | |
| 69 } | |
| 70 } |