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1794
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1 /*
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2 * Copyright (c) 2010, 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 /**
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26 * @test
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27 * @bug 6982370
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28 * @summary SIGBUS in jbyte_fill
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29 *
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30 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeFill -Xbatch Test6982370
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31 */
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32
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33 import java.util.Arrays;
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34
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35 /**
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36 * Exercise the fill routine for various short alignments and sizes
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37 */
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38
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39 public class Test6982370 {
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40 public static void main(String[] args) {
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41 test_byte();
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42 test_char();
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43 test_short();
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44 test_int();
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45 test_float();
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46 }
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47
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48 public static void test_int() {
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49 int[] a = new int[16];
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50 for (int i = 0; i < 200000; i++) {
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51 int start = i & 7;
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52 int end = start + ((i >> 4) & 7);
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53 int value = i;
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54 if ((i & 1) == 1) value = -value;
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55 Arrays.fill(a, start, end, value);
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56 boolean error = false;
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57 for (int j = start; j < end; j++) {
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58 if (a[j] != value) {
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59 System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length);
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60 error = true;
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61 }
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62 }
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63 if (error) throw new InternalError();
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64 }
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65 }
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66
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67 public static void test_float() {
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68 float[] a = new float[16];
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69 for (int i = 0; i < 200000; i++) {
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70 int start = i & 7;
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71 int end = start + ((i >> 4) & 7);
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72 float value = (float)i;
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73 if ((i & 1) == 1) value = -value;
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74 Arrays.fill(a, start, end, value);
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75 boolean error = false;
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76 for (int j = start; j < end; j++) {
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77 if (a[j] != value) {
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78 System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length);
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79 error = true;
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80 }
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81 }
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82 if (error) throw new InternalError();
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83 }
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84 }
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85 public static void test_char() {
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86 char[] a = new char[16];
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87 for (int i = 0; i < 200000; i++) {
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88 int start = i & 7;
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89 int end = start + ((i >> 4) & 7);
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90 char value = (char)i;
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91 Arrays.fill(a, start, end, value);
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92 boolean error = false;
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93 for (int j = start; j < end; j++) {
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94 if (a[j] != value) {
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95 System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length);
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96 error = true;
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97 }
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98 }
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99 if (error) throw new InternalError();
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100 }
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101 }
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102 public static void test_short() {
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103 short[] a = new short[16];
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104 for (int i = 0; i < 200000; i++) {
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105 int start = i & 7;
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106 int end = start + ((i >> 4) & 7);
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107 short value = (short)i;
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108 if ((i & 1) == 1) value = (short)-value;
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109 Arrays.fill(a, start, end, value);
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110 boolean error = false;
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111 for (int j = start; j < end; j++) {
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112 if (a[j] != value) {
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113 System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length);
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114 error = true;
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115 }
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116 }
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117 if (error) throw new InternalError();
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118 }
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119 }
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120
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121 public static void test_byte() {
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122 for (int i = 0; i < 200000; i++) {
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123 byte[] a = new byte[16];
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124 int start = i & 7;
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125 int end = start + ((i >> 4) & 7);
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126 byte value = (byte)i;
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127 if ((i & 1) == 1) value = (byte)-value;
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128 Arrays.fill(a, start, end, value);
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129 boolean error = false;
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130 for (int j = start; j < end; j++) {
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131 if (a[j] != value) {
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132 System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length);
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133 error = true;
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134 }
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135 }
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136 if (error) throw new InternalError();
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137 }
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138 }
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139 }
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