--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/codegen/Test6431242.java	Tue Jul 12 18:24:48 2016 +0300
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2006, 2013, 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 compiler.codegen.Test6431242
+ */
+
+package compiler.codegen;
+
+public class Test6431242 {
+
+    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 {
+            Test6431242 t = new Test6431242();
+            t.init();
+            t.test();
+            System.out.println("Passed");
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.out.println("Failed");
+        }
+    }
+}