test/hotspot/jtreg/compiler/c2/Test6863155.java
changeset 47216 71c04702a3d5
parent 40059 c2304140ed64
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/c2/Test6863155.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2009, 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 6863155
+ * @summary Server compiler generates incorrect code (x86, long, bitshift, bitmask)
+ *
+ * @run main/othervm -Xcomp
+ *      -XX:CompileCommand=compileonly,compiler.c2.Test6863155::test
+ *      compiler.c2.Test6863155
+ */
+
+package compiler.c2;
+
+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));
+    }
+}