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annotate test/compiler/8011706/Test8011706.java @ 20218:828056cf311f

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8040792: G1: Memory usage calculation uses sizeof(this) instead of sizeof(classname) Summary: A few locations in the code use sizeof(this) which returns the size of the pointer instead of sizeof(classname) which returns the size of the sum of its members. This change fixes these errors and adds a few tests. Reviewed-by: mgerdin, brutisso
author tschatzl
date Mon, 21 Jul 2014 09:40:19 +0200
parents 84ab5667f290
children
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
84ab5667f290 8011706: specjvm2008 test xml.transform gets array bound exception with c1
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
84ab5667f290 8011706: specjvm2008 test xml.transform gets array bound exception with c1
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
84ab5667f290 8011706: specjvm2008 test xml.transform gets array bound exception with c1
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12 * version 2 for more details (a copy is included in the LICENSE file that
84ab5667f290 8011706: specjvm2008 test xml.transform gets array bound exception with c1
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
84ab5667f290 8011706: specjvm2008 test xml.transform gets array bound exception with c1
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
84ab5667f290 8011706: specjvm2008 test xml.transform gets array bound exception with c1
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @bug 8011706
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27 * @summary loop invariant code motion may move load before store to the same field
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28 * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation Test8011706
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29 *
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30 */
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31
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32 public class Test8011706 {
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33 int[] array;
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34
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35 void m(boolean test, int[] array1, int[] array2) {
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36 int i = 0;
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37 if (test) {
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38 array = array1;
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39 } else {
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40 array = array2;
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41 }
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42
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43 while(true) {
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44 int v = array[i];
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45 i++;
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46 if (i >= 10) return;
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47 }
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48 }
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49
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50 static public void main(String[] args) {
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51 int[] new_array = new int[10];
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52 Test8011706 ti = new Test8011706();
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53 boolean failed = false;
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54 try {
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55 for (int i = 0; i < 10000; i++) {
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56 ti.array = null;
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57 ti.m(true, new_array, new_array);
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58 }
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59 } catch(NullPointerException ex) {
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60 throw new RuntimeException("TEST FAILED", ex);
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61 }
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62 System.out.println("TEST PASSED");
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63 }
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64
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65 }