1 files changed, 85 insertions, 0 deletions
diff --git a/tests/src/JIT/HardwareIntrinsics/X86/Sse/LoadHigh.cs b/tests/src/JIT/HardwareIntrinsics/X86/Sse/LoadHigh.cs
new file mode 100644
index 0000000000..3e350f8516
--- /dev/null
+++ b/tests/src/JIT/HardwareIntrinsics/X86/Sse/LoadHigh.cs
@@ -0,0 +1,85 @@
+// 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.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics.X86;
+using System.Runtime.Intrinsics;
+
+namespace IntelHardwareIntrinsicTest
+{
+    class Program
+    {
+        const int Pass = 100;
+        const int Fail = 0;
+
+        static unsafe int Main(string[] args)
+        {
+            int testResult = Pass;
+
+            if (Sse.IsSupported)
+            {
+                using (TestTable<float> floatTable = new TestTable<float>(new float[4] { 1, -5, 100, 0 }, new float[4] { 22, -1, -50, 0 }, new float[4]))
+                {
+                    var vf1 = Unsafe.Read<Vector128<float>>(floatTable.inArray1Ptr);
+                    var vf2 = Sse.LoadHigh(vf1, (float*)(floatTable.inArray2Ptr));
+                    Unsafe.Write(floatTable.outArrayPtr, vf2);
+
+                    if (!floatTable.CheckResult((x, y, z) => z[0] == x[0] && z[1] == x[1] &&
+                                                             z[2] == y[0] && z[3] == y[1]))
+                    {
+                        Console.WriteLine("SSE LoadHigh failed on float:");
+                        foreach (var item in floatTable.outArray)
+                        {
+                            Console.Write(item + ", ");
+                        }
+                        Console.WriteLine();
+                        testResult = Fail;
+                    }
+                }
+            }
+
+            return testResult;
+        }
+
+        public unsafe struct TestTable<T> : IDisposable where T : struct
+        {
+            public T[] inArray1;
+            public T[] inArray2;
+            public T[] outArray;
+
+            public void* inArray1Ptr => inHandle1.AddrOfPinnedObject().ToPointer();
+            public void* inArray2Ptr => inHandle2.AddrOfPinnedObject().ToPointer();
+            public void* outArrayPtr => outHandle.AddrOfPinnedObject().ToPointer();
+
+            GCHandle inHandle1;
+            GCHandle inHandle2;
+            GCHandle outHandle;
+            public TestTable(T[] a, T[] b, T[] c)
+            {
+                this.inArray1 = a;
+                this.inArray2 = b;
+                this.outArray = c;
+
+                inHandle1 = GCHandle.Alloc(inArray1, GCHandleType.Pinned);
+                inHandle2 = GCHandle.Alloc(inArray2, GCHandleType.Pinned);
+                outHandle = GCHandle.Alloc(outArray, GCHandleType.Pinned);
+            }
+            public bool CheckResult(Func<T[], T[], T[], bool> check)
+            {
+                return check(inArray1, inArray2, outArray);
+            }
+
+            public void Dispose()
+            {
+                inHandle1.Free();
+                inHandle2.Free();
+                outHandle.Free();
+            }
+        }
+
+    }
+}