--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/arguments/TestUseCountTrailingZerosInstructionOnSupportedCPU.java	Thu Mar 27 17:29:41 2014 +0400
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2014, 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 8031321
+ * @summary Verify processing of UseCountTrailingZerosInstruction option
+ *          on CPU with TZCNT (BMI1 feature) support.
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestUseCountTrailingZerosInstructionOnSupportedCPU
+ *        BMISupportedCPUTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI
+ *                   TestUseCountTrailingZerosInstructionOnSupportedCPU
+ */
+
+import sun.hotspot.cpuinfo.CPUInfo;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.*;
+
+public class TestUseCountTrailingZerosInstructionOnSupportedCPU
+     extends BMISupportedCPUTest {
+
+    public TestUseCountTrailingZerosInstructionOnSupportedCPU() {
+        super("UseCountTrailingZerosInstruction", TZCNT_WARNING, "bmi1");
+    }
+
+    @Override
+    public void runTestCases() throws Throwable {
+
+        super.runTestCases();
+
+        // verify that option will be disabled if all BMI1 instuctions
+        // are explicitly disabled
+        CommandLineOptionTest.
+            verifyOptionValue("UseCountTrailingZerosInstruction", "false",
+                              "-XX:-UseBMI1Instructions");
+
+        // verify that option could be turned on even if other BMI1
+        // instructions were turned off
+        CommandLineOptionTest.
+            verifyOptionValue("UseCountTrailingZerosInstruction", "true",
+                              "-XX:-UseBMI1Instructions",
+                              "-XX:+UseCountTrailingZerosInstruction");
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseCountTrailingZerosInstructionOnSupportedCPU().test();
+    }
+}
+