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annotate graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/jdk/IntegerBits.java @ 7282:390448a6b535

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converted the JTT tests to use the GraalCompilerTest framework which offers more control over what is compiled and executed the HP_series and FloatingReads tests have been disabled temporarily
author Doug Simon <doug.simon@oracle.com>
date Thu, 20 Dec 2012 14:59:57 +0100
parents f368ec89e231
children 5e3d1a68664e
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1 /*
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2 * Copyright (c) 2012, 2012, 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 package com.oracle.graal.jtt.jdk;
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24
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25 import com.oracle.graal.jtt.*;
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26 import org.junit.*;
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27
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29 public class IntegerBits extends JTTTest {
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30 @SuppressWarnings("unused")
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31 private static int init = Integer.reverseBytes(42);
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32 private static int original = 0x01020304;
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33 private static int v = 0b1000;
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34 private static int zero = 0;
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35
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36 public static int test(int o) {
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37 return Integer.reverseBytes(o);
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38 }
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39
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40 public static int test2(int o) {
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41 return Integer.numberOfLeadingZeros(o);
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42 }
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43
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44 public static int test3(int o) {
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45 return Integer.numberOfTrailingZeros(o);
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46 }
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47
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48 public static int test4(int o) {
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49 return Integer.bitCount(o);
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50 }
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51
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52 @Test
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53 public void run0() {
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54 runTest("test", original);
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55 }
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56
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57 @Test
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58 public void run1() {
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59 runTest("test3", v);
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60 }
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61
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62 @Test
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63 public void run2() {
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64 runTest("test2", v);
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65 }
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66
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67 @Test
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68 public void run3() {
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69 runTest("test3", zero);
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70 }
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71
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72 @Test
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73 public void run4() {
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74 runTest("test2", zero);
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75 }
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76
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77 @Test
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78 public void run5() {
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79 runTest("test", 0x01020304);
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80 }
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81
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82 @Test
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83 public void run6() {
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84 runTest("test3", 0b1000);
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85 }
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86
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87 @Test
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88 public void run7() {
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89 runTest("test2", 0b1000);
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90 }
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91
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92 @Test
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93 public void run8() {
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94 runTest("test3", 0);
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95 }
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96
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97 @Test
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98 public void run9() {
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99 runTest("test2", 0);
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100 }
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101
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102 @Test
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103 public void run10() {
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104 runTest("test4", 0xffffffff);
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105 }
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106 }