1396
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1 /*
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2 * Copyright 2006 Sun Microsystems, Inc. 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 /*
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26 * @test
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27 * @bug 6431242
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28 * @run main/othervm -server -XX:+PrintCompilation Test
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29 */
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30
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31 public class Test{
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32
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33 int _len = 8;
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34 int[] _arr_i = new int[_len];
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35 long[] _arr_l = new long[_len];
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36
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37 int[] _arr_i_cp = new int [_len];
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38 long[] _arr_l_cp = new long [_len];
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39
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40 int _k = 0x12345678;
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41 int _j = 0;
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42 int _ir = 0x78563412;
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43 int _ir1 = 0x78563413;
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44 int _ir2 = 0x79563412;
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45
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46 long _m = 0x123456789abcdef0L;
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47 long _l = 0L;
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48 long _lr = 0xf0debc9a78563412L;
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49 long _lr1 = 0xf0debc9a78563413L;
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50 long _lr2 = 0xf1debc9a78563412L;
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51
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52 void init() {
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53 for (int i=0; i<_arr_i.length; i++) {
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54 _arr_i[i] = _k;
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55 _arr_l[i] = _m;
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56 }
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57 }
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58
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59 public int test_int_reversed(int i) {
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60 return Integer.reverseBytes(i);
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61 }
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62
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63 public long test_long_reversed(long i) {
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64 return Long.reverseBytes(i);
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65 }
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66
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67 public void test_copy_ints(int[] dst, int[] src) {
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68 for(int i=0; i<src.length; i++) {
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69 dst[i] = Integer.reverseBytes(src[i]);
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70 }
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71 }
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72
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73 public void test_copy_ints_reversed(int[] dst, int[] src) {
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74 for (int i=0; i<src.length; i++) {
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75 dst[i] = 1 + Integer.reverseBytes(src[i]);
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76 }
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77 }
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78
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79 public void test_copy_ints_store_reversed(int[] dst, int[] src) {
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80 for(int i=0; i<src.length; i++) {
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81 dst[i] = Integer.reverseBytes(1 + src[i]);
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82 }
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83 }
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84
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85 public void test_copy_longs(long[] dst, long[] src) {
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86 for(int i=0; i<src.length; i++) {
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87 dst[i] = Long.reverseBytes(src[i]);
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88 }
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89 }
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90
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91 public void test_copy_longs_reversed(long[] dst, long[] src) {
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92 for (int i=0; i<src.length; i++) {
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93 dst[i] = 1 + Long.reverseBytes(src[i]);
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94 }
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95 }
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96
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97 public void test_copy_longs_store_reversed(long[] dst, long[] src) {
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98 for(int i=0; i<src.length; i++) {
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99 dst[i] = Long.reverseBytes(1 + src[i]);
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100 }
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101 }
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102
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103 public void test() throws Exception {
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104 int up_limit=90000;
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105
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106
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107 //test single
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108
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109 for (int loop=0; loop<up_limit; loop++) {
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110 _j = test_int_reversed(_k);
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111 if (_j != _ir ) {
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112 throw new Exception("Interger.reverseBytes failed " + _j + " iter " + loop);
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113 }
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114 _l = test_long_reversed(_m);
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115 if (_l != _lr ) {
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116 throw new Exception("Long.reverseBytes failed " + _l + " iter " + loop);
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117 }
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118 }
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119
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120 // test scalar load/store
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121 for (int loop=0; loop<up_limit; loop++) {
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122
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123 test_copy_ints(_arr_i_cp, _arr_i);
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124 for (int j=0; j< _arr_i.length; j++) {
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125 if (_arr_i_cp[j] != _ir) {
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126 throw new Exception("Interger.reverseBytes failed test_copy_ints iter " + loop);
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127 }
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128 }
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129
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130 test_copy_ints_reversed(_arr_i_cp, _arr_i);
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131 for (int j=0; j< _arr_i.length; j++) {
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132 if (_arr_i_cp[j] != _ir1) {
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133 throw new Exception("Interger.reverseBytes failed test_copy_ints_reversed iter " + loop);
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134 }
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135 }
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136 test_copy_ints_store_reversed(_arr_i_cp, _arr_i);
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137 for (int j=0; j< _arr_i.length; j++) {
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138 if (_arr_i_cp[j] != _ir2) {
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139 throw new Exception("Interger.reverseBytes failed test_copy_ints_store_reversed iter " + loop);
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140 }
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141 }
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142
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143 test_copy_longs(_arr_l_cp, _arr_l);
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144 for (int j=0; j< _arr_i.length; j++) {
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145 if (_arr_l_cp[j] != _lr) {
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146 throw new Exception("Long.reverseBytes failed test_copy_longs iter " + loop);
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147 }
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148 }
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149 test_copy_longs_reversed(_arr_l_cp, _arr_l);
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150 for (int j=0; j< _arr_i.length; j++) {
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151 if (_arr_l_cp[j] != _lr1) {
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152 throw new Exception("Long.reverseBytes failed test_copy_longs_reversed iter " + loop);
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153 }
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154 }
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155 test_copy_longs_store_reversed(_arr_l_cp, _arr_l);
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156 for (int j=0; j< _arr_i.length; j++) {
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157 if (_arr_l_cp[j] != _lr2) {
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158 throw new Exception("Long.reverseBytes failed test_copy_longs_store_reversed iter " + loop);
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159 }
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160 }
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161
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162 }
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163 }
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164
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165 public static void main(String args[]) {
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166 try {
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167 Test t = new Test();
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168 t.init();
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169 t.test();
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170 System.out.println("Passed");
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171 }catch (Exception e) {
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172 e.printStackTrace();
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173 System.out.println("Failed");
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174 }
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175 }
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176 }
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