1 files changed, 171 insertions, 0 deletions
diff --git a/tests/src/JIT/HardwareIntrinsics/X86/Sse2/StoreNonTemporal.cs b/tests/src/JIT/HardwareIntrinsics/X86/Sse2/StoreNonTemporal.cs
new file mode 100644
index 0000000000..76b468e12e
--- /dev/null
+++ b/tests/src/JIT/HardwareIntrinsics/X86/Sse2/StoreNonTemporal.cs
@@ -0,0 +1,171 @@
+// 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 (Sse2.IsSupported)
+            {
+                if (Environment.Is64BitProcess)
+                {
+                    {
+                        long* inArray = stackalloc long[2];
+                        inArray[0] = 0xffffffff01l;
+                        long* outBuffer = stackalloc long[2];
+
+                        Sse2.StoreNonTemporal(outBuffer, inArray[0]);
+
+                        for (var i = 0; i < 2; i++)
+                        {
+                            if (inArray[i] != outBuffer[i])
+                            {
+                                Console.WriteLine("Sse2 StoreNonTemporal failed on long:");
+                                for (var n = 0; n < 2; n++)
+                                {
+                                    Console.Write(outBuffer[n] + ", ");
+                                }
+                                Console.WriteLine();
+
+                                testResult = Fail;
+                                break;
+                            }
+                        }
+                    }
+
+                    {
+                        ulong* inArray = stackalloc ulong[2];
+                        inArray[0] = 0xffffffffff01ul;
+                        ulong* outBuffer = stackalloc ulong[2];
+
+                        Sse2.StoreNonTemporal(outBuffer, inArray[0]);
+
+                        for (var i = 0; i < 2; i++)
+                        {
+                            if (inArray[i] != outBuffer[i])
+                            {
+                                Console.WriteLine("Sse2 StoreNonTemporal failed on ulong:");
+                                for (var n = 0; n < 2; n++)
+                                {
+                                    Console.Write(outBuffer[n] + ", ");
+                                }
+                                Console.WriteLine();
+
+                                testResult = Fail;
+                                break;
+                            }
+                        }
+                    }
+                }
+                else
+                {
+                    try
+                    {
+                        long* inArray = stackalloc long[2];
+                        inArray[0] = 0xffffffff01l;
+                        long* outBuffer = stackalloc long[2];
+
+                        Sse2.StoreNonTemporal(outBuffer, inArray[0]);
+                        testResult = Fail;
+                        Console.WriteLine($"{nameof(Sse2)}.{nameof(Sse2.StoreNonTemporal)} failed on long: expected PlatformNotSupportedException exception.");
+                    }
+                    catch (PlatformNotSupportedException)
+                    {
+
+                    }
+                    catch(Exception ex)
+                    {
+                        testResult = Fail;
+                        Console.WriteLine($"{nameof(Sse2)}.{nameof(Sse2.StoreNonTemporal)}-{ex} failed on long: expected PlatformNotSupportedException exception.");
+                    }
+
+                    try
+                    {
+                        ulong* inArray = stackalloc ulong[2];
+                        inArray[0] = 0xffffffffff01ul;
+                        ulong* outBuffer = stackalloc ulong[2];
+
+                        Sse2.StoreNonTemporal(outBuffer, inArray[0]);
+                        testResult = Fail;
+                        Console.WriteLine($"{nameof(Sse2)}.{nameof(Sse2.StoreNonTemporal)} failed on ulong: expected PlatformNotSupportedException exception.");
+                    }
+                    catch (PlatformNotSupportedException)
+                    {
+
+                    }
+                    catch(Exception ex)
+                    {
+                        testResult = Fail;
+                        Console.WriteLine($"{nameof(Sse2)}.{nameof(Sse2.StoreNonTemporal)}-{ex} failed on ulong: expected PlatformNotSupportedException exception.");                            
+                    }                    
+                }
+
+                {
+                    int* inArray = stackalloc int[4];
+                    inArray[0] = -784561;
+                    int* outBuffer = stackalloc int[4];
+
+                    Sse2.StoreNonTemporal(outBuffer, inArray[0]);
+
+                    for (var i = 0; i < 4; i++)
+                    {
+                        if (inArray[i] != outBuffer[i])
+                        {
+                            Console.WriteLine("Sse2 StoreNonTemporal failed on int:");
+                            for (var n = 0; n < 4; n++)
+                            {
+                                Console.Write(outBuffer[n] + ", ");
+                            }
+                            Console.WriteLine();
+
+                            testResult = Fail;
+                            break;
+                        }
+                    }
+                }
+
+                {
+                    uint* inArray = stackalloc uint[4];
+                    inArray[0] = 0xffffff02u;
+                    uint* outBuffer = stackalloc uint[4];
+
+                    Sse2.StoreNonTemporal(outBuffer, inArray[0]);
+
+                    for (var i = 0; i < 4; i++)
+                    {
+                        if (inArray[i] != outBuffer[i])
+                        {
+                            Console.WriteLine("Sse2 StoreNonTemporal failed on uint:");
+                            for (var n = 0; n < 4; n++)
+                            {
+                                Console.Write(outBuffer[n] + ", ");
+                            }
+                            Console.WriteLine();
+
+                            testResult = Fail;
+                            break;
+                        }
+                    }
+                }
+            }
+
+            return testResult;
+        }
+    }
+}
+