Mercurial > hg > truffle

annotate test/compiler/6796786/Test6796786.java @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 37e4df3c8952
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
f1d6640088a1 6796786: invalid FP identity transform - (a - b) -> b - a
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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 /**
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26 * @test
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27 * @bug 6796786
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28 * @summary invalid FP identity transform - (a - b) -> b - a
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29 *
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30 * @run main/othervm -Xbatch Test6796786
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31 */
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32
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33 public class Test6796786 {
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34 static volatile float d1;
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35 static volatile float d2;
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36
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37 public static void main(String[] args) {
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38 int total = 0;
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39 for (int i = 0; i < 100000; i++) {
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40 if (Float.floatToRawIntBits(- (d1 - d2)) == Float.floatToRawIntBits(-0.0f)) {
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41 total++;
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42 }
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43 }
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44 if (total != 100000) {
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45 throw new InternalError();
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46 }
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47 }
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48 }