Mercurial > hg > truffle

annotate test/compiler/6800154/Test6800154.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 c18cbe5936b8
children
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1 /*
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2 * Copyright (c) 2009, 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 6800154
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27 * @summary Add comments to long_by_long_mulhi() for better understandability
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28 *
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29 * @run main/othervm -Xcomp -XX:CompileOnly=Test6800154.divcomp Test6800154
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30 */
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31
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32 import java.net.URLClassLoader;
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33
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34 public class Test6800154 implements Runnable {
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35 static final long[] DIVIDENDS = {
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36 0,
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37 1,
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38 2,
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39 1423487,
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40 4444441,
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41 4918923241323L,
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42 -1,
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43 -24351,
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44 0x3333,
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45 0x0000000080000000L,
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46 0x7fffffffffffffffL,
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47 0x8000000000000000L
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48 };
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49
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50 static final long[] DIVISORS = {
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51 1,
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52 2,
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53 17,
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54 12342,
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55 24123,
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56 143444,
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57 123444442344L,
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58 -1,
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59 -2,
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60 -4423423234231423L,
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61 0x0000000080000000L,
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62 0x7fffffffffffffffL,
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63 0x8000000000000000L
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64 };
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65
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66 // Initialize DIVISOR so that it is final in this class.
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67 static final long DIVISOR;
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68
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69 static {
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70 long value = 0;
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71 try {
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72 value = Long.decode(System.getProperty("divisor"));
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73 } catch (Throwable e) {
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74 }
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75 DIVISOR = value;
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76 }
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77
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78 public static void main(String[] args) throws Exception
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79 {
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80 Class cl = Class.forName("Test6800154");
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81 URLClassLoader apploader = (URLClassLoader) cl.getClassLoader();
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82
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83 // Iterate over all divisors.
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84 for (int i = 0; i < DIVISORS.length; i++) {
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85 System.setProperty("divisor", "" + DIVISORS[i]);
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86 ClassLoader loader = new URLClassLoader(apploader.getURLs(), apploader.getParent());
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87 Class c = loader.loadClass("Test6800154");
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88 Runnable r = (Runnable) c.newInstance();
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89 r.run();
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90 }
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91 }
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92
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93 public void run()
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94 {
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95 // Iterate over all dividends.
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96 for (int i = 0; i < DIVIDENDS.length; i++) {
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97 long dividend = DIVIDENDS[i];
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98
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99 long expected = divint(dividend);
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100 long result = divcomp(dividend);
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101
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102 if (result != expected)
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103 throw new InternalError(dividend + " / " + DIVISOR + " failed: " + result + " != " + expected);
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104 }
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105 }
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106
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107 static long divint(long a) { return a / DIVISOR; }
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108 static long divcomp(long a) { return a / DIVISOR; }
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109 }