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/*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/*
* @test
* @bug 6431242
* @run main/othervm -server -XX:+PrintCompilation Test
*/
public class Test{
int _len = 8;
int[] _arr_i = new int[_len];
long[] _arr_l = new long[_len];
int[] _arr_i_cp = new int [_len];
long[] _arr_l_cp = new long [_len];
int _k = 0x12345678;
int _j = 0;
int _ir = 0x78563412;
int _ir1 = 0x78563413;
int _ir2 = 0x79563412;
long _m = 0x123456789abcdef0L;
long _l = 0L;
long _lr = 0xf0debc9a78563412L;
long _lr1 = 0xf0debc9a78563413L;
long _lr2 = 0xf1debc9a78563412L;
void init() {
for (int i=0; i<_arr_i.length; i++) {
_arr_i[i] = _k;
_arr_l[i] = _m;
}
}
public int test_int_reversed(int i) {
return Integer.reverseBytes(i);
}
public long test_long_reversed(long i) {
return Long.reverseBytes(i);
}
public void test_copy_ints(int[] dst, int[] src) {
for(int i=0; i<src.length; i++) {
dst[i] = Integer.reverseBytes(src[i]);
}
}
public void test_copy_ints_reversed(int[] dst, int[] src) {
for (int i=0; i<src.length; i++) {
dst[i] = 1 + Integer.reverseBytes(src[i]);
}
}
public void test_copy_ints_store_reversed(int[] dst, int[] src) {
for(int i=0; i<src.length; i++) {
dst[i] = Integer.reverseBytes(1 + src[i]);
}
}
public void test_copy_longs(long[] dst, long[] src) {
for(int i=0; i<src.length; i++) {
dst[i] = Long.reverseBytes(src[i]);
}
}
public void test_copy_longs_reversed(long[] dst, long[] src) {
for (int i=0; i<src.length; i++) {
dst[i] = 1 + Long.reverseBytes(src[i]);
}
}
public void test_copy_longs_store_reversed(long[] dst, long[] src) {
for(int i=0; i<src.length; i++) {
dst[i] = Long.reverseBytes(1 + src[i]);
}
}
public void test() throws Exception {
int up_limit=90000;
//test single
for (int loop=0; loop<up_limit; loop++) {
_j = test_int_reversed(_k);
if (_j != _ir ) {
throw new Exception("Interger.reverseBytes failed " + _j + " iter " + loop);
}
_l = test_long_reversed(_m);
if (_l != _lr ) {
throw new Exception("Long.reverseBytes failed " + _l + " iter " + loop);
}
}
// test scalar load/store
for (int loop=0; loop<up_limit; loop++) {
test_copy_ints(_arr_i_cp, _arr_i);
for (int j=0; j< _arr_i.length; j++) {
if (_arr_i_cp[j] != _ir) {
throw new Exception("Interger.reverseBytes failed test_copy_ints iter " + loop);
}
}
test_copy_ints_reversed(_arr_i_cp, _arr_i);
for (int j=0; j< _arr_i.length; j++) {
if (_arr_i_cp[j] != _ir1) {
throw new Exception("Interger.reverseBytes failed test_copy_ints_reversed iter " + loop);
}
}
test_copy_ints_store_reversed(_arr_i_cp, _arr_i);
for (int j=0; j< _arr_i.length; j++) {
if (_arr_i_cp[j] != _ir2) {
throw new Exception("Interger.reverseBytes failed test_copy_ints_store_reversed iter " + loop);
}
}
test_copy_longs(_arr_l_cp, _arr_l);
for (int j=0; j< _arr_i.length; j++) {
if (_arr_l_cp[j] != _lr) {
throw new Exception("Long.reverseBytes failed test_copy_longs iter " + loop);
}
}
test_copy_longs_reversed(_arr_l_cp, _arr_l);
for (int j=0; j< _arr_i.length; j++) {
if (_arr_l_cp[j] != _lr1) {
throw new Exception("Long.reverseBytes failed test_copy_longs_reversed iter " + loop);
}
}
test_copy_longs_store_reversed(_arr_l_cp, _arr_l);
for (int j=0; j< _arr_i.length; j++) {
if (_arr_l_cp[j] != _lr2) {
throw new Exception("Long.reverseBytes failed test_copy_longs_store_reversed iter " + loop);
}
}
}
}
public static void main(String args[]) {
try {
Test t = new Test();
t.init();
t.test();
System.out.println("Passed");
}catch (Exception e) {
e.printStackTrace();
System.out.println("Failed");
}
}
}
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