Mercurial > hg > graal-compiler
annotate test/compiler/exceptions/SumTest.java @ 21645:7eb156f30b61
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 01 Jun 2015 22:13:10 +0200 |
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1 /* |
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2 * Copyright (c) 2014, 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 |
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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 |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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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 |
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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 |
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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 8066900 |
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27 * @summary FP registers are not properly restored by C1 when handling exceptions |
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28 * @run main/othervm -Xbatch SumTest |
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29 * |
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30 */ |
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31 public class SumTest { |
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32 private static class Sum { |
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33 |
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34 double[] sums; |
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35 |
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36 /** |
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37 * Construct empty Sum |
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38 */ |
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39 public Sum() { |
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40 sums = new double[0]; |
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41 } |
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42 |
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43 /** |
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44 * Return the sum of all numbers added to this Sum |
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45 * |
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46 * @return the sum |
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47 */ |
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48 final public double getSum() { |
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49 double sum = 0; |
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50 for (final double s : sums) { |
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51 sum += s; |
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52 } |
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53 |
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54 return sum; |
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55 } |
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56 |
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57 /** |
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58 * Add a new number to this Sum |
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59 * |
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60 * @param a number to be added. |
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61 */ |
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62 final public void add(double a) { |
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63 try { |
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64 sums[sums.length] = -1; // Cause IndexOutOfBoundsException |
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65 } catch (final IndexOutOfBoundsException e) { |
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66 final double[] oldSums = sums; |
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67 sums = new double[oldSums.length + 1]; // Extend sums |
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68 System.arraycopy(oldSums, 0, sums, 0, oldSums.length); |
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69 sums[oldSums.length] = a; // Append a |
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70 } |
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71 } |
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72 } |
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73 |
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74 public static void main(String[] args) throws Exception { |
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75 final Sum sum = new Sum(); |
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76 for (int i = 1; i <= 10000; ++i) { |
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77 sum.add(1); |
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78 double ii = sum.getSum(); |
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79 if (i != ii) { |
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80 throw new Exception("Failure: computed = " + ii + ", expected = " + i); |
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81 } |
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82 } |
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83 } |
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84 |
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85 } |
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86 |