Mercurial > hg > truffle
annotate test/compiler/intrinsics/mathexact/CompareTest.java @ 17168:65c75f0bfc7b
Merge
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Fri, 19 Sep 2014 09:53:13 -0700 |
parents | 4ca6dc0799b6 |
children | 52b4284cb496 |
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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 |
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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 8026722 |
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27 * @summary Verify that the compare after addExact is a signed compare |
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28 * @compile CompareTest.java |
14909 | 29 * @run main CompareTest -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseMathExactIntrinsics |
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30 * |
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31 */ |
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32 |
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33 public class CompareTest { |
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34 public static long store = 0; |
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35 public static long addValue = 1231; |
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36 |
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37 public static void main(String[] args) { |
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38 for (int i = 0; i < 20000; ++i) { |
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39 runTest(i, i); |
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40 runTest(i-1, i); |
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41 } |
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42 } |
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43 |
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44 public static long create(long value, int v) { |
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45 if ((value | v) == 0) { |
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46 return 0; |
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47 } |
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48 |
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49 // C2 turned this test into unsigned test when a control edge was set on the Cmp |
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50 if (value < -31557014167219200L || value > 31556889864403199L) { |
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51 throw new RuntimeException("error"); |
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52 } |
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53 |
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54 return value; |
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55 } |
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56 |
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57 public static void runTest(long value, int value2) { |
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58 long res = Math.addExact(value, addValue); |
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59 store = create(res, Math.floorMod(value2, 100000)); |
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60 } |
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61 } |