Mercurial > hg > truffle
annotate test/compiler/intrinsics/mathexact/SubExactICondTest.java @ 15288:2a6897a82a7e
loosen restrictions a bit in GraphOrder
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Wed, 23 Apr 2014 10:26:19 +0200 |
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 8026844 |
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27 * @summary Test subtractExact as condition |
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28 * @compile SubExactICondTest.java Verify.java |
14909 | 29 * @run main SubExactICondTest -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 SubExactICondTest { |
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34 public static int result = 0; |
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35 |
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36 public static void main(String[] args) { |
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37 for (int i = 0; i < 50000; ++i) { |
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38 runTest(); |
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39 } |
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40 } |
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41 |
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42 public static void runTest() { |
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43 int i = 7; |
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44 while (java.lang.Math.subtractExact(i, result) > -31361) { |
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45 if ((java.lang.Math.subtractExact(i, i) & 1) == 1) { |
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46 i -= 3; |
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47 } else if ((i & 5) == 4) { |
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48 i -= 7; |
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49 } else if ((i & 0xf) == 6) { |
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50 i -= 2; |
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51 } else { |
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52 i -= 1; |
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53 } |
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54 result += 2; |
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55 } |
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56 } |
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57 } |