--- /dev/null	2019-10-11 13:52:03.380849910 -0700
+++ new/test/hotspot/jtreg/compiler/intrinsics/bigInteger/TestShift.java	2019-12-18 17:43:41.774371050 -0800
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2019, 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 8234692
+ * @summary Add C2 x86 intrinsic for BigInteger::shiftLeft() and BigInteger::shiftRight() method
+ * @requires vm.compiler2.enabled
+ *
+ * @run main/othervm/timeout=600 -XX:-TieredCompilation -Xbatch
+ *      -XX:CompileCommand=exclude,compiler.intrinsics.bigInteger.TestShift::main
+ *      -XX:CompileCommand=option,compiler.intrinsics.bigInteger.TestShift::base_left_shift,ccstr,DisableIntrinsic,_bigIntegerLeftShiftWorker
+ *      -XX:CompileCommand=option,compiler.intrinsics.bigInteger.TestShift::base_right_shift,ccstr,DisableIntrinsic,_bigIntegerRightShiftWorker
+ *      -XX:CompileCommand=inline,java.math.BigInteger::shiftLeft
+ *      -XX:CompileCommand=inline,java.math.BigInteger::shiftRight
+ *      compiler.intrinsics.bigInteger.TestShift
+ */
+
+package compiler.intrinsics.bigInteger;
+
+import java.math.BigInteger;
+import java.util.Arrays;
+import java.util.Random;
+
+public class TestShift {
+
+    public static BigInteger base_left_shift(BigInteger op1, int shift) {
+      return op1.shiftLeft(shift);
+    }
+
+    public static BigInteger new_left_shift(BigInteger op1, int shift) {
+      return op1.shiftLeft(shift);
+    }
+
+    public static BigInteger base_right_shift(BigInteger op1, int shift) {
+      return op1.shiftRight(shift);
+    }
+
+    public static BigInteger new_right_shift(BigInteger op1, int shift) {
+      return op1.shiftRight(shift);
+    }
+
+    public static boolean bytecompare(BigInteger b1, BigInteger b2) {
+      byte[] data1 = b1.toByteArray();
+      byte[] data2 = b2.toByteArray();
+      if (data1.length != data2.length)
+        return false;
+      for (int i = 0; i < data1.length; i++) {
+        if (data1[i] != data2[i])
+          return false;
+      }
+      return true;
+    }
+
+    public static String stringify(BigInteger b) {
+      String strout= "";
+      byte [] data = b.toByteArray();
+      for (int i = 0; i < data.length; i++) {
+        strout += (String.format("%02x",data[i]) + " ");
+      }
+      return strout;
+    }
+
+    public static void main(String args[]) throws Exception {
+      BigInteger [] inputbuffer = new BigInteger[10];
+      BigInteger [] oldLeftShiftResult = new BigInteger[10];
+      BigInteger [] newLeftShiftResult = new BigInteger[10];
+      BigInteger [] oldRightShiftResult = new BigInteger[10];
+      BigInteger [] newRightShiftResult = new BigInteger[10];
+
+      Random rand = new Random();
+      long seed = System.nanoTime();
+      rand.setSeed(seed);
+      int shiftCount = rand.nextInt(30) + 1;
+
+      for(int i = 0; i < inputbuffer.length; i++) {
+        int numbits = rand.nextInt(4096)+32;
+        inputbuffer[i] = new BigInteger(numbits, rand);
+      }
+
+      for (int j = 0; j < 100000; j++) {
+        for(int i = 0; i < inputbuffer.length; i++) {
+           oldLeftShiftResult[i] = base_left_shift(inputbuffer[i], shiftCount);
+           newLeftShiftResult[i] = new_left_shift(inputbuffer[i], shiftCount);
+           if (!bytecompare(oldLeftShiftResult[i], newLeftShiftResult[i])) {
+            System.out.println("mismatch for input:" + stringify(inputbuffer[i]) + "\n" + "expected left shift result:" + stringify(oldLeftShiftResult[i]) + "\n" +
+                               "calculated left shift result:" + stringify(newLeftShiftResult[i]));
+            throw new Exception("Failed");
+          }
+
+          oldRightShiftResult[i] = base_right_shift(inputbuffer[i], shiftCount);
+          newRightShiftResult[i] = new_right_shift(inputbuffer[i], shiftCount);
+          if (!bytecompare(oldRightShiftResult[i], newRightShiftResult[i])) {
+            System.out.println("mismatch for input:" + stringify(inputbuffer[i]) + "\n" + "expected right shift result:" + stringify(oldRightShiftResult[i]) + "\n" +
+                               "calculated right shift result:" + stringify(newRightShiftResult[i]));
+            throw new Exception("Failed");
+          }
+        }
+      }
+    }
+}