1 /*
2 * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /*
26 * @test
27 * @bug 6431242
28 *
29 * @run main compiler.codegen.Test6431242
30 */
31
32 package compiler.codegen;
33
34 public class Test6431242 {
35
36 int _len = 8;
37 int[] _arr_i = new int[_len];
38 long[] _arr_l = new long[_len];
39
40 int[] _arr_i_cp = new int[_len];
41 long[] _arr_l_cp = new long[_len];
42
43 int _k = 0x12345678;
44 int _j = 0;
45 int _ir = 0x78563412;
46 int _ir1 = 0x78563413;
47 int _ir2 = 0x79563412;
48
49 long _m = 0x123456789abcdef0L;
50 long _l = 0L;
51 long _lr = 0xf0debc9a78563412L;
52 long _lr1 = 0xf0debc9a78563413L;
53 long _lr2 = 0xf1debc9a78563412L;
54
55 void init() {
56 for (int i = 0; i < _arr_i.length; i++) {
57 _arr_i[i] = _k;
58 _arr_l[i] = _m;
59 }
60 }
61
62 public int test_int_reversed(int i) {
63 return Integer.reverseBytes(i);
64 }
65
66 public long test_long_reversed(long i) {
67 return Long.reverseBytes(i);
68 }
69
70 public void test_copy_ints(int[] dst, int[] src) {
71 for (int i = 0; i < src.length; i++) {
72 dst[i] = Integer.reverseBytes(src[i]);
73 }
74 }
75
76 public void test_copy_ints_reversed(int[] dst, int[] src) {
77 for (int i = 0; i < src.length; i++) {
78 dst[i] = 1 + Integer.reverseBytes(src[i]);
79 }
80 }
81
82 public void test_copy_ints_store_reversed(int[] dst, int[] src) {
83 for (int i = 0; i < src.length; i++) {
84 dst[i] = Integer.reverseBytes(1 + src[i]);
85 }
86 }
87
88 public void test_copy_longs(long[] dst, long[] src) {
89 for (int i = 0; i < src.length; i++) {
90 dst[i] = Long.reverseBytes(src[i]);
91 }
92 }
93
94 public void test_copy_longs_reversed(long[] dst, long[] src) {
95 for (int i = 0; i < src.length; i++) {
96 dst[i] = 1 + Long.reverseBytes(src[i]);
97 }
98 }
99
100 public void test_copy_longs_store_reversed(long[] dst, long[] src) {
101 for (int i = 0; i < src.length; i++) {
102 dst[i] = Long.reverseBytes(1 + src[i]);
103 }
104 }
105
106 public void test() throws Exception {
107 int up_limit = 90000;
108
109
110 //test single
111
112 for (int loop = 0; loop < up_limit; loop++) {
113 _j = test_int_reversed(_k);
114 if (_j != _ir) {
115 throw new Exception("Interger.reverseBytes failed " + _j + " iter " + loop);
116 }
117 _l = test_long_reversed(_m);
118 if (_l != _lr) {
119 throw new Exception("Long.reverseBytes failed " + _l + " iter " + loop);
120 }
121 }
122
123 // test scalar load/store
124 for (int loop = 0; loop < up_limit; loop++) {
125
126 test_copy_ints(_arr_i_cp, _arr_i);
127 for (int j = 0; j < _arr_i.length; j++) {
128 if (_arr_i_cp[j] != _ir) {
129 throw new Exception("Interger.reverseBytes failed test_copy_ints iter " + loop);
130 }
131 }
132
133 test_copy_ints_reversed(_arr_i_cp, _arr_i);
134 for (int j = 0; j < _arr_i.length; j++) {
135 if (_arr_i_cp[j] != _ir1) {
136 throw new Exception("Interger.reverseBytes failed test_copy_ints_reversed iter " + loop);
137 }
138 }
139 test_copy_ints_store_reversed(_arr_i_cp, _arr_i);
140 for (int j = 0; j < _arr_i.length; j++) {
141 if (_arr_i_cp[j] != _ir2) {
142 throw new Exception("Interger.reverseBytes failed test_copy_ints_store_reversed iter " + loop);
143 }
144 }
145
146 test_copy_longs(_arr_l_cp, _arr_l);
147 for (int j = 0; j < _arr_i.length; j++) {
148 if (_arr_l_cp[j] != _lr) {
149 throw new Exception("Long.reverseBytes failed test_copy_longs iter " + loop);
150 }
151 }
152 test_copy_longs_reversed(_arr_l_cp, _arr_l);
153 for (int j = 0; j < _arr_i.length; j++) {
154 if (_arr_l_cp[j] != _lr1) {
155 throw new Exception("Long.reverseBytes failed test_copy_longs_reversed iter " + loop);
156 }
157 }
158 test_copy_longs_store_reversed(_arr_l_cp, _arr_l);
159 for (int j = 0; j < _arr_i.length; j++) {
160 if (_arr_l_cp[j] != _lr2) {
161 throw new Exception("Long.reverseBytes failed test_copy_longs_store_reversed iter " + loop);
162 }
163 }
164
165 }
166 }
167
168 public static void main(String args[]) {
169 try {
170 Test6431242 t = new Test6431242();
171 t.init();
172 t.test();
173 System.out.println("Passed");
174 } catch (Exception e) {
175 e.printStackTrace();
176 System.out.println("Failed");
177 }
178 }
179 }