Mercurial > hg > truffle
annotate test/compiler/7029152/Test.java @ 15252:359c9bb2d2c8
make emitAtomicReadAndAdd and emitAtomicReadAndWrite default methods
author | twisti |
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date | Fri, 18 Apr 2014 18:30:40 -1000 |
parents | f9424955eb18 |
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rev | line source |
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7029152: Ideal nodes for String intrinsics miss memory edge optimization
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1 /* |
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2 * Copyright (c) 2011, 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 7029152 |
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27 * @summary Ideal nodes for String intrinsics miss memory edge optimization |
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28 * |
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29 * @run main/othervm -Xbatch Test |
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30 */ |
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31 |
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32 public class Test { |
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33 |
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34 static final String str = "11111xx11111xx1x"; |
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35 static int idx = 0; |
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36 |
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37 static int IndexOfTest(String str) { |
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38 return str.indexOf("11111xx1x"); |
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39 } |
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40 |
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41 public static void main(String args[]) { |
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42 final int ITERS=2000000; |
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43 |
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44 for (int i=0; i<ITERS; i++) { |
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45 idx = IndexOfTest(str); |
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46 } |
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47 System.out.println("IndexOf = " + idx); |
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48 } |
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49 } |