1 files changed, 31 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/X86/Pclmulqdq.PlatformNotSupported.cs b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/X86/Pclmulqdq.PlatformNotSupported.cs
new file mode 100644
index 000000000..b79e50a2b
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/X86/Pclmulqdq.PlatformNotSupported.cs
@@ -0,0 +1,31 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>
+    /// This class provides access to Intel PCLMULQDQ hardware instructions via intrinsics
+    /// </summary>
+    [CLSCompliant(false)]
+    public abstract class Pclmulqdq : Sse2
+    {
+        internal Pclmulqdq() { }
+
+        public new static bool IsSupported { get { return false; } }
+
+        /// <summary>
+        /// __m128i _mm_clmulepi64_si128 (__m128i a, __m128i b, const int imm8)
+        ///   PCLMULQDQ xmm, xmm/m128, imm8
+        /// </summary>
+        public static Vector128<long> CarrylessMultiply(Vector128<long> left, Vector128<long> right, byte control) { throw new PlatformNotSupportedException(); }
+        /// <summary>
+        /// __m128i _mm_clmulepi64_si128 (__m128i a, __m128i b, const int imm8)
+        ///   PCLMULQDQ xmm, xmm/m128, imm8
+        /// </summary>
+        public static Vector128<ulong> CarrylessMultiply(Vector128<ulong> left, Vector128<ulong> right, byte control) { throw new PlatformNotSupportedException(); }
+    }
+}