1 files changed, 78 insertions, 0 deletions
diff --git a/test/compiler/intrinsics/bmi/TestBlsmskI.java b/test/compiler/intrinsics/bmi/TestBlsmskI.java
new file mode 100644
index 000000000..a06b429ec
--- /dev/null
+++ b/test/compiler/intrinsics/bmi/TestBlsmskI.java
@@ -0,0 +1,78 @@
+/*
+ * 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 that results of computations are the same w/
+ *          and w/o usage of BLSMSK instruction
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestBlsmskI BMITestRunner Expr
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestBlsmskI
+ */
+
+import sun.hotspot.cpuinfo.CPUInfo;
+
+public class TestBlsmskI {
+
+    public static void main(String args[]) throws Throwable {
+        if (!CPUInfo.hasFeature("bmi1")) {
+            System.out.println("CPU does not support bmi1 feature. " +
+                               "Test skipped.");
+            return;
+        }
+
+        BMITestRunner.runTests(BlsmskIExpr.class, args,
+                               "-XX:+UseBMI1Instructions");
+        BMITestRunner.runTests(BlsmskICommutativeExpr.class, args,
+                               "-XX:+UseBMI1Instructions");
+    }
+
+    public static class BlsmskIExpr extends Expr.BMIUnaryIntExpr {
+
+        public int intExpr(int src) {
+            return (src - 1) ^ src;
+        }
+
+        public int intExpr(Expr.MemI src) {
+            return (src.value - 1) ^ src.value;
+        }
+
+    }
+
+    public static class BlsmskICommutativeExpr extends Expr.BMIUnaryIntExpr {
+
+        public int intExpr(int src) {
+            return src ^ (src - 1);
+        }
+
+        public int intExpr(Expr.MemI src) {
+            return src.value ^ (src.value - 1);
+        }
+
+    }
+
+}