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annotate test/compiler/6778657/Test.java @ 579:0fbdb4381b99

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6814575: Update copyright year Summary: Update copyright for files that have been modified in 2009, up to 03/09 Reviewed-by: katleman, tbell, ohair
author xdono
date Mon, 09 Mar 2009 13:28:46 -0700
parents 6d8fc951eb25
children c18cbe5936b8
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1 /*
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2 * Copyright 2008-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any 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