hotspot/test/compiler/intrinsics/bmi/verifycode/LZcntTestI.java
changeset 24003 372cef87666e
child 25735 990d2378e01d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/intrinsics/bmi/verifycode/LZcntTestI.java	Fri Apr 11 00:34:51 2014 +0400
@@ -0,0 +1,59 @@
+/*
+ * 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
+ * @library /testlibrary /testlibrary/whitebox /compiler/whitebox ..
+ * @build LZcntTestI
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *                   -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountLeadingZerosInstruction LZcntTestI
+ */
+
+import java.lang.reflect.Method;
+
+public class LZcntTestI extends BmiIntrinsicBase.BmiTestCase {
+
+    protected LZcntTestI(Method method) {
+        super(method);
+        instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
+        instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBD};
+    }
+
+    public static void main(String[] args) throws Exception {
+        // j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods
+        System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class);
+        BmiIntrinsicBase.verifyTestCase(LZcntTestI::new, TestLzcntI.LzcntIExpr.class.getDeclaredMethods());
+    }
+
+    @Override
+    protected String getVMFlag() {
+        return "UseCountLeadingZerosInstruction";
+    }
+
+    @Override
+    protected String getCpuFlag() {
+        return "lzcnt";
+    }
+}