--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/c2/TestCharShortByteSwap.java Tue Jul 12 18:24:48 2016 +0300
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2010 Google, Inc. 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 6946040
+ * @summary Tests Character/Short.reverseBytes and their intrinsics implementation in the server compiler
+ *
+ * @run main/othervm -Xbatch
+ * -XX:CompileCommand=compileonly,compiler.c2.TestCharShortByteSwap::testChar
+ * -XX:CompileCommand=compileonly,compiler.c2.TestCharShortByteSwap::testShort
+ * compiler.c2.TestCharShortByteSwap
+ */
+
+package compiler.c2;
+
+// This test must run without any command line arguments.
+
+public class TestCharShortByteSwap {
+
+ private static short initShort(String[] args, short v) {
+ if (args.length > 0) {
+ try {
+ return (short) Integer.valueOf(args[0]).intValue();
+ } catch (NumberFormatException e) { }
+ }
+ return v;
+ }
+
+ private static char initChar(String[] args, char v) {
+ if (args.length > 0) {
+ try {
+ return (char) Integer.valueOf(args[0]).intValue();
+ } catch (NumberFormatException e) { }
+ }
+ return v;
+ }
+
+ private static void testChar(char a, char b) {
+ if (a != Character.reverseBytes(b)) {
+ throw new RuntimeException("FAIL: " + (int)a + " != Character.reverseBytes(" + (int)b + ")");
+ }
+ if (b != Character.reverseBytes(a)) {
+ throw new RuntimeException("FAIL: " + (int)b + " != Character.reverseBytes(" + (int)a + ")");
+ }
+ }
+
+ private static void testShort(short a, short b) {
+ if (a != Short.reverseBytes(b)) {
+ throw new RuntimeException("FAIL: " + (int)a + " != Short.reverseBytes(" + (int)b + ")");
+ }
+ if (b != Short.reverseBytes(a)) {
+ throw new RuntimeException("FAIL: " + (int)b + " != Short.reverseBytes(" + (int)a + ")");
+ }
+ }
+
+ public static void main(String[] args) {
+ for (int i = 0; i < 100000; ++i) { // Trigger compilation
+ char c1 = initChar(args, (char) 0x0123);
+ char c2 = initChar(args, (char) 0x2301);
+ char c3 = initChar(args, (char) 0xaabb);
+ char c4 = initChar(args, (char) 0xbbaa);
+ short s1 = initShort(args, (short) 0x0123);
+ short s2 = initShort(args, (short) 0x2301);
+ short s3 = initShort(args, (short) 0xaabb);
+ short s4 = initShort(args, (short) 0xbbaa);
+ testChar(c1, c2);
+ testChar(c3, c4);
+ testShort(s1, s2);
+ testShort(s3, s4);
+ }
+ }
+}