Mercurial > hg > truffle
annotate test/compiler/6778657/Test.java @ 6452:a89a18a57617
fixed wrong path in README_GRAAL.txt
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 26 Sep 2012 21:48:07 +0200 |
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1 /* |
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2 * Copyright (c) 2008, 2009, 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 /* |
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26 * @test |
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27 * @bug 6778657 |
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28 * @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour |
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29 */ |
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30 |
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31 public class Test { |
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32 public static void check_f2i(int expect) { |
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33 float check = expect; |
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34 check *= 2; |
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35 int actual = (int) check; |
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36 if (actual != expect) |
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37 throw new RuntimeException("expecting " + expect + ", got " + actual); |
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38 } |
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39 |
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40 public static void check_f2l(long expect) { |
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41 float check = expect; |
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42 check *= 2; |
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43 long actual = (long) check; |
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44 if (actual != expect) |
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45 throw new RuntimeException("expecting " + expect + ", got " + actual); |
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46 } |
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47 |
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48 public static void check_d2i(int expect) { |
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49 double check = expect; |
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50 check *= 2; |
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51 int actual = (int) check; |
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52 if (actual != expect) |
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53 throw new RuntimeException("expecting " + expect + ", got " + actual); |
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54 } |
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55 |
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56 public static void check_d2l(long expect) { |
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57 double check = expect; |
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58 check *= 2; |
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59 long actual = (long) check; |
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60 if (actual != expect) |
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61 throw new RuntimeException("expecting " + expect + ", got " + actual); |
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62 } |
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63 |
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64 public static void main(String[] args) { |
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65 check_f2i(Integer.MAX_VALUE); |
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66 check_f2i(Integer.MIN_VALUE); |
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67 check_f2l(Long.MAX_VALUE); |
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68 check_f2l(Long.MIN_VALUE); |
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69 check_d2i(Integer.MAX_VALUE); |
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70 check_d2i(Integer.MIN_VALUE); |
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71 check_d2l(Long.MAX_VALUE); |
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72 check_d2l(Long.MIN_VALUE); |
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73 } |
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74 } |
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75 |