diff test/compiler/6863155/Test6863155.java @ 897:52898b0c43e9

6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask) Summary: Code compiled with server compiler generates an incorrect result. Reviewed-by: cfang, never, kvn
author twisti
date Tue, 28 Jul 2009 09:02:30 +0200
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/6863155/Test6863155.java	Tue Jul 28 09:02:30 2009 +0200
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug 6863155
+ * @summary Server compiler generates incorrect code (x86, long, bitshift, bitmask)
+ *
+ * @run main/othervm -Xcomp -XX:CompileOnly=Test6863155.test Test6863155
+ */
+
+public class Test6863155 {
+    private static long test(byte b) {
+        return b << 24 & 0xff000000L;
+    }
+
+    public static void main(String... args) {
+        long result = test((byte) 0xc2);
+        long expected = 0x00000000c2000000L;
+        if (result != expected)
+            throw new InternalError(Long.toHexString(result) + " != " + Long.toHexString(expected));
+    }
+}