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comparison test/compiler/6431242/Test.java @ 1396:d7f654633cfe

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6946040: add intrinsic for short and char reverseBytes Reviewed-by: never, twisti Contributed-by: Hiroshi Yamauchi <yamauchi@google.com>
author never
date Mon, 26 Apr 2010 11:27:21 -0700
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children c18cbe5936b8
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1385:bc32f286fae0 1396:d7f654633cfe
1 /*
2 * Copyright 2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 /*
26 * @test
27 * @bug 6431242
28 * @run main/othervm -server -XX:+PrintCompilation Test
29 */
30
31 public class Test{
32
33 int _len = 8;
34 int[] _arr_i = new int[_len];
35 long[] _arr_l = new long[_len];
36
37 int[] _arr_i_cp = new int [_len];
38 long[] _arr_l_cp = new long [_len];
39
40 int _k = 0x12345678;
41 int _j = 0;
42 int _ir = 0x78563412;
43 int _ir1 = 0x78563413;
44 int _ir2 = 0x79563412;
45
46 long _m = 0x123456789abcdef0L;
47 long _l = 0L;
48 long _lr = 0xf0debc9a78563412L;
49 long _lr1 = 0xf0debc9a78563413L;
50 long _lr2 = 0xf1debc9a78563412L;
51
52 void init() {
53 for (int i=0; i<_arr_i.length; i++) {
54 _arr_i[i] = _k;
55 _arr_l[i] = _m;
56 }
57 }
58
59 public int test_int_reversed(int i) {
60 return Integer.reverseBytes(i);
61 }
62
63 public long test_long_reversed(long i) {
64 return Long.reverseBytes(i);
65 }
66
67 public void test_copy_ints(int[] dst, int[] src) {
68 for(int i=0; i<src.length; i++) {
69 dst[i] = Integer.reverseBytes(src[i]);
70 }
71 }
72
73 public void test_copy_ints_reversed(int[] dst, int[] src) {
74 for (int i=0; i<src.length; i++) {
75 dst[i] = 1 + Integer.reverseBytes(src[i]);
76 }
77 }
78
79 public void test_copy_ints_store_reversed(int[] dst, int[] src) {
80 for(int i=0; i<src.length; i++) {
81 dst[i] = Integer.reverseBytes(1 + src[i]);
82 }
83 }
84
85 public void test_copy_longs(long[] dst, long[] src) {
86 for(int i=0; i<src.length; i++) {
87 dst[i] = Long.reverseBytes(src[i]);
88 }
89 }
90
91 public void test_copy_longs_reversed(long[] dst, long[] src) {
92 for (int i=0; i<src.length; i++) {
93 dst[i] = 1 + Long.reverseBytes(src[i]);
94 }
95 }
96
97 public void test_copy_longs_store_reversed(long[] dst, long[] src) {
98 for(int i=0; i<src.length; i++) {
99 dst[i] = Long.reverseBytes(1 + src[i]);
100 }
101 }
102
103 public void test() throws Exception {
104 int up_limit=90000;
105
106
107 //test single
108
109 for (int loop=0; loop<up_limit; loop++) {
110 _j = test_int_reversed(_k);
111 if (_j != _ir ) {
112 throw new Exception("Interger.reverseBytes failed " + _j + " iter " + loop);
113 }
114 _l = test_long_reversed(_m);
115 if (_l != _lr ) {
116 throw new Exception("Long.reverseBytes failed " + _l + " iter " + loop);
117 }
118 }
119
120 // test scalar load/store
121 for (int loop=0; loop<up_limit; loop++) {
122
123 test_copy_ints(_arr_i_cp, _arr_i);
124 for (int j=0; j< _arr_i.length; j++) {
125 if (_arr_i_cp[j] != _ir) {
126 throw new Exception("Interger.reverseBytes failed test_copy_ints iter " + loop);
127 }
128 }
129
130 test_copy_ints_reversed(_arr_i_cp, _arr_i);
131 for (int j=0; j< _arr_i.length; j++) {
132 if (_arr_i_cp[j] != _ir1) {
133 throw new Exception("Interger.reverseBytes failed test_copy_ints_reversed iter " + loop);
134 }
135 }
136 test_copy_ints_store_reversed(_arr_i_cp, _arr_i);
137 for (int j=0; j< _arr_i.length; j++) {
138 if (_arr_i_cp[j] != _ir2) {
139 throw new Exception("Interger.reverseBytes failed test_copy_ints_store_reversed iter " + loop);
140 }
141 }
142
143 test_copy_longs(_arr_l_cp, _arr_l);
144 for (int j=0; j< _arr_i.length; j++) {
145 if (_arr_l_cp[j] != _lr) {
146 throw new Exception("Long.reverseBytes failed test_copy_longs iter " + loop);
147 }
148 }
149 test_copy_longs_reversed(_arr_l_cp, _arr_l);
150 for (int j=0; j< _arr_i.length; j++) {
151 if (_arr_l_cp[j] != _lr1) {
152 throw new Exception("Long.reverseBytes failed test_copy_longs_reversed iter " + loop);
153 }
154 }
155 test_copy_longs_store_reversed(_arr_l_cp, _arr_l);
156 for (int j=0; j< _arr_i.length; j++) {
157 if (_arr_l_cp[j] != _lr2) {
158 throw new Exception("Long.reverseBytes failed test_copy_longs_store_reversed iter " + loop);
159 }
160 }
161
162 }
163 }
164
165 public static void main(String args[]) {
166 try {
167 Test t = new Test();
168 t.init();
169 t.test();
170 System.out.println("Passed");
171 }catch (Exception e) {
172 e.printStackTrace();
173 System.out.println("Failed");
174 }
175 }
176 }