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annotate test/compiler/6910484/Test.java @ 1250:3f5b7efb9642

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6920293: OptimizeStringConcat causing core dumps Reviewed-by: kvn, twisti
author never
date Fri, 05 Feb 2010 11:07:40 -0800
parents 174ade00803b
children c18cbe5936b8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright 2009 SAP. 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 * @test
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26 * @bug 6910484
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27 * @summary incorrect integer optimization (loosing and op-r in a given example)
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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 public static void main(String[] args) {
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35 long iteration = 0;
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36 for(int i = 0; i <11000; i++) {
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37 iteration++;
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38 int result = test(255);
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39 if (result != 112) {
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40 System.out.println("expected 112, but got " + result + " after iteration " + iteration);
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41 System.exit(97);
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42 }
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43 }
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44 }
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45
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46 private static int test(int x) {
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47 return (x & -32) / 2;
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48 }
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49
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50 }