From: Jacek Blaszczynski <biosciencenow@outlook.com>
Date: Thu, 23 Aug 2018 21:01:29 +0000 (+0200)
Subject: Add Avx2.Permute4x64 template based tests
X-Git-Tag: submit/tizen/20210909.063632~11030^2~3993
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8f68eff7a725b8fe9c467e66a7ba8c89eeccef3d;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

Add Avx2.Permute4x64 template based tests


Commit migrated from https://github.com/dotnet/coreclr/commit/e3c2f5bacf75f9632961ed04de01940775381a40
---

diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_r.csproj b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_r.csproj
index 70d87739..3b4fc83 100644
--- a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_r.csproj
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_r.csproj
@@ -174,6 +174,9 @@
     <Compile Include="Permute2x128.UInt32.2.cs" />
     <Compile Include="Permute2x128.Int64.2.cs" />
     <Compile Include="Permute2x128.UInt64.2.cs" />
+    <Compile Include="Permute4x64.Double.85.cs"/>
+    <Compile Include="Permute4x64.Int64.85.cs"/>
+    <Compile Include="Permute4x64.UInt64.85.cs"/>
     <Compile Include="ShiftLeftLogical.Int16.1.cs" />
     <Compile Include="ShiftLeftLogical.UInt16.1.cs" />
     <Compile Include="ShiftLeftLogical.Int32.1.cs" />
diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_ro.csproj b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_ro.csproj
index 305f65d..8608593 100644
--- a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_ro.csproj
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Avx2_ro.csproj
@@ -174,6 +174,9 @@
     <Compile Include="Permute2x128.UInt32.2.cs" />
     <Compile Include="Permute2x128.Int64.2.cs" />
     <Compile Include="Permute2x128.UInt64.2.cs" />
+    <Compile Include="Permute4x64.Double.85.cs"/>
+    <Compile Include="Permute4x64.Int64.85.cs"/>
+    <Compile Include="Permute4x64.UInt64.85.cs"/>    
     <Compile Include="ShiftLeftLogical.Int16.1.cs" />
     <Compile Include="ShiftLeftLogical.UInt16.1.cs" />
     <Compile Include="ShiftLeftLogical.Int32.1.cs" />
diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.Double.85.cs b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.Double.85.cs
new file mode 100644
index 0000000..26b61b6
--- /dev/null
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.Double.85.cs
@@ -0,0 +1,383 @@
+// 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.
+
+/******************************************************************************
+ * This file is auto-generated from a template file by the GenerateTests.csx  *
+ * script in tests\src\JIT\HardwareIntrinsics\X86\Shared. In order to make    *
+ * changes, please update the corresponding template and run according to the *
+ * directions listed in the file.                                             *
+ ******************************************************************************/
+
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+using System.Runtime.Intrinsics.X86;
+
+namespace JIT.HardwareIntrinsics.X86
+{
+    public static partial class Program
+    {
+        private static void Permute4x64Double85()
+        {
+            var test = new ImmUnaryOpTest__Permute4x64Double85();
+
+            if (test.IsSupported)
+            {
+                // Validates basic functionality works, using Unsafe.Read
+                test.RunBasicScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates basic functionality works, using Load
+                    test.RunBasicScenario_Load();
+
+                    // Validates basic functionality works, using LoadAligned
+                    test.RunBasicScenario_LoadAligned();
+                }
+
+                // Validates calling via reflection works, using Unsafe.Read
+                test.RunReflectionScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates calling via reflection works, using Load
+                    test.RunReflectionScenario_Load();
+
+                    // Validates calling via reflection works, using LoadAligned
+                    test.RunReflectionScenario_LoadAligned();
+                }
+
+                // Validates passing a static member works
+                test.RunClsVarScenario();
+
+                // Validates passing a local works, using Unsafe.Read
+                test.RunLclVarScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates passing a local works, using Load
+                    test.RunLclVarScenario_Load();
+
+                    // Validates passing a local works, using LoadAligned
+                    test.RunLclVarScenario_LoadAligned();
+                }
+
+                // Validates passing the field of a local class works
+                test.RunClassLclFldScenario();
+
+                // Validates passing an instance member of a class works
+                test.RunClassFldScenario();
+
+                // Validates passing the field of a local struct works
+                test.RunStructLclFldScenario();
+
+                // Validates passing an instance member of a struct works
+                test.RunStructFldScenario();
+            }
+            else
+            {
+                // Validates we throw on unsupported hardware
+                test.RunUnsupportedScenario();
+            }
+
+            if (!test.Succeeded)
+            {
+                throw new Exception("One or more scenarios did not complete as expected.");
+            }
+        }
+    }
+
+    public sealed unsafe class ImmUnaryOpTest__Permute4x64Double85
+    {
+        private struct TestStruct
+        {
+            public Vector256<Double> _fld;
+
+            public static TestStruct Create()
+            {
+                var testStruct = new TestStruct();
+
+                for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetDouble(); }
+                Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref testStruct._fld), ref Unsafe.As<Double, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
+
+                return testStruct;
+            }
+
+            public void RunStructFldScenario(ImmUnaryOpTest__Permute4x64Double85 testClass)
+            {
+                var result = Avx2.Permute4x64(_fld, 85);
+
+                Unsafe.Write(testClass._dataTable.outArrayPtr, result);
+                testClass.ValidateResult(_fld, testClass._dataTable.outArrayPtr);
+            }
+        }
+
+        private static readonly int LargestVectorSize = 32;
+
+        private static readonly int Op1ElementCount = Unsafe.SizeOf<Vector256<Double>>() / sizeof(Double);
+        private static readonly int RetElementCount = Unsafe.SizeOf<Vector256<Double>>() / sizeof(Double);
+
+        private static Double[] _data = new Double[Op1ElementCount];
+
+        private static Vector256<Double> _clsVar;
+
+        private Vector256<Double> _fld;
+
+        private SimpleUnaryOpTest__DataTable<Double, Double> _dataTable;
+
+        static ImmUnaryOpTest__Permute4x64Double85()
+        {
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetDouble(); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _clsVar), ref Unsafe.As<Double, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
+        }
+
+        public ImmUnaryOpTest__Permute4x64Double85()
+        {
+            Succeeded = true;
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetDouble(); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _fld), ref Unsafe.As<Double, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetDouble(); }
+            _dataTable = new SimpleUnaryOpTest__DataTable<Double, Double>(_data, new Double[RetElementCount], LargestVectorSize);
+        }
+
+        public bool IsSupported => Avx2.IsSupported;
+
+        public bool Succeeded { get; set; }
+
+        public void RunBasicScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_UnsafeRead));
+
+            var result = Avx2.Permute4x64(
+                Unsafe.Read<Vector256<Double>>(_dataTable.inArrayPtr),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_Load));
+
+            var result = Avx2.Permute4x64(
+                Avx.LoadVector256((Double*)(_dataTable.inArrayPtr)),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_LoadAligned));
+
+            var result = Avx2.Permute4x64(
+                Avx.LoadAlignedVector256((Double*)(_dataTable.inArrayPtr)),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_UnsafeRead));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<Double>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Unsafe.Read<Vector256<Double>>(_dataTable.inArrayPtr),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Double>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_Load));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<Double>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Avx.LoadVector256((Double*)(_dataTable.inArrayPtr)),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Double>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_LoadAligned));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<Double>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Avx.LoadAlignedVector256((Double*)(_dataTable.inArrayPtr)),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Double>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunClsVarScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClsVarScenario));
+
+            var result = Avx2.Permute4x64(
+                _clsVar,
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_clsVar, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_UnsafeRead));
+
+            var firstOp = Unsafe.Read<Vector256<Double>>(_dataTable.inArrayPtr);
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_Load));
+
+            var firstOp = Avx.LoadVector256((Double*)(_dataTable.inArrayPtr));
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_LoadAligned));
+
+            var firstOp = Avx.LoadAlignedVector256((Double*)(_dataTable.inArrayPtr));
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunClassLclFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario));
+
+            var test = new ImmUnaryOpTest__Permute4x64Double85();
+            var result = Avx2.Permute4x64(test._fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunClassFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClassFldScenario));
+
+            var result = Avx2.Permute4x64(_fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunStructLclFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario));
+
+            var test = TestStruct.Create();
+            var result = Avx2.Permute4x64(test._fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunStructFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunStructFldScenario));
+
+            var test = TestStruct.Create();
+            test.RunStructFldScenario(this);
+        }
+
+        public void RunUnsupportedScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunUnsupportedScenario));
+
+            Succeeded = false;
+
+            try
+            {
+                RunBasicScenario_UnsafeRead();
+            }
+            catch (PlatformNotSupportedException)
+            {
+                Succeeded = true;
+            }
+        }
+
+        private void ValidateResult(Vector256<Double> firstOp, void* result, [CallerMemberName] string method = "")
+        {
+            Double[] inArray = new Double[Op1ElementCount];
+            Double[] outArray = new Double[RetElementCount];
+
+            Unsafe.WriteUnaligned(ref Unsafe.As<Double, byte>(ref inArray[0]), firstOp);
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<Double>>());
+
+            ValidateResult(inArray, outArray, method);
+        }
+
+        private void ValidateResult(void* firstOp, void* result, [CallerMemberName] string method = "")
+        {
+            Double[] inArray = new Double[Op1ElementCount];
+            Double[] outArray = new Double[RetElementCount];
+
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)Unsafe.SizeOf<Vector256<Double>>());
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<Double>>());
+
+            ValidateResult(inArray, outArray, method);
+        }
+
+        private void ValidateResult(Double[] firstOp, Double[] result, [CallerMemberName] string method = "")
+        {
+            if (BitConverter.DoubleToInt64Bits(firstOp[1]) != BitConverter.DoubleToInt64Bits(result[0]))
+            {
+                Succeeded = false;
+            }
+            else
+            {
+                for (var i = 1; i < RetElementCount; i++)
+                {
+                    if (BitConverter.DoubleToInt64Bits(firstOp[1])  != BitConverter.DoubleToInt64Bits(result[i]))
+                    {
+                        Succeeded = false;
+                        break;
+                    }
+                }
+            }
+
+            if (!Succeeded)
+            {
+                TestLibrary.TestFramework.LogInformation($"{nameof(Avx2)}.{nameof(Avx2.Permute4x64)}<Double>(Vector256<Double><9>): {method} failed:");
+                TestLibrary.TestFramework.LogInformation($"  firstOp: ({string.Join(", ", firstOp)})");
+                TestLibrary.TestFramework.LogInformation($"   result: ({string.Join(", ", result)})");
+                TestLibrary.TestFramework.LogInformation(string.Empty);
+            }
+        }
+    }
+}
diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.Int64.85.cs b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.Int64.85.cs
new file mode 100644
index 0000000..89ccea0
--- /dev/null
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.Int64.85.cs
@@ -0,0 +1,383 @@
+// 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.
+
+/******************************************************************************
+ * This file is auto-generated from a template file by the GenerateTests.csx  *
+ * script in tests\src\JIT\HardwareIntrinsics\X86\Shared. In order to make    *
+ * changes, please update the corresponding template and run according to the *
+ * directions listed in the file.                                             *
+ ******************************************************************************/
+
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+using System.Runtime.Intrinsics.X86;
+
+namespace JIT.HardwareIntrinsics.X86
+{
+    public static partial class Program
+    {
+        private static void Permute4x64Int6485()
+        {
+            var test = new ImmUnaryOpTest__Permute4x64Int6485();
+
+            if (test.IsSupported)
+            {
+                // Validates basic functionality works, using Unsafe.Read
+                test.RunBasicScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates basic functionality works, using Load
+                    test.RunBasicScenario_Load();
+
+                    // Validates basic functionality works, using LoadAligned
+                    test.RunBasicScenario_LoadAligned();
+                }
+
+                // Validates calling via reflection works, using Unsafe.Read
+                test.RunReflectionScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates calling via reflection works, using Load
+                    test.RunReflectionScenario_Load();
+
+                    // Validates calling via reflection works, using LoadAligned
+                    test.RunReflectionScenario_LoadAligned();
+                }
+
+                // Validates passing a static member works
+                test.RunClsVarScenario();
+
+                // Validates passing a local works, using Unsafe.Read
+                test.RunLclVarScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates passing a local works, using Load
+                    test.RunLclVarScenario_Load();
+
+                    // Validates passing a local works, using LoadAligned
+                    test.RunLclVarScenario_LoadAligned();
+                }
+
+                // Validates passing the field of a local class works
+                test.RunClassLclFldScenario();
+
+                // Validates passing an instance member of a class works
+                test.RunClassFldScenario();
+
+                // Validates passing the field of a local struct works
+                test.RunStructLclFldScenario();
+
+                // Validates passing an instance member of a struct works
+                test.RunStructFldScenario();
+            }
+            else
+            {
+                // Validates we throw on unsupported hardware
+                test.RunUnsupportedScenario();
+            }
+
+            if (!test.Succeeded)
+            {
+                throw new Exception("One or more scenarios did not complete as expected.");
+            }
+        }
+    }
+
+    public sealed unsafe class ImmUnaryOpTest__Permute4x64Int6485
+    {
+        private struct TestStruct
+        {
+            public Vector256<Int64> _fld;
+
+            public static TestStruct Create()
+            {
+                var testStruct = new TestStruct();
+
+                for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetInt64(); }
+                Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Int64>, byte>(ref testStruct._fld), ref Unsafe.As<Int64, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<Int64>>());
+
+                return testStruct;
+            }
+
+            public void RunStructFldScenario(ImmUnaryOpTest__Permute4x64Int6485 testClass)
+            {
+                var result = Avx2.Permute4x64(_fld, 85);
+
+                Unsafe.Write(testClass._dataTable.outArrayPtr, result);
+                testClass.ValidateResult(_fld, testClass._dataTable.outArrayPtr);
+            }
+        }
+
+        private static readonly int LargestVectorSize = 32;
+
+        private static readonly int Op1ElementCount = Unsafe.SizeOf<Vector256<Int64>>() / sizeof(Int64);
+        private static readonly int RetElementCount = Unsafe.SizeOf<Vector256<Int64>>() / sizeof(Int64);
+
+        private static Int64[] _data = new Int64[Op1ElementCount];
+
+        private static Vector256<Int64> _clsVar;
+
+        private Vector256<Int64> _fld;
+
+        private SimpleUnaryOpTest__DataTable<Int64, Int64> _dataTable;
+
+        static ImmUnaryOpTest__Permute4x64Int6485()
+        {
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetInt64(); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Int64>, byte>(ref _clsVar), ref Unsafe.As<Int64, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<Int64>>());
+        }
+
+        public ImmUnaryOpTest__Permute4x64Int6485()
+        {
+            Succeeded = true;
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetInt64(); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Int64>, byte>(ref _fld), ref Unsafe.As<Int64, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<Int64>>());
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetInt64(); }
+            _dataTable = new SimpleUnaryOpTest__DataTable<Int64, Int64>(_data, new Int64[RetElementCount], LargestVectorSize);
+        }
+
+        public bool IsSupported => Avx2.IsSupported;
+
+        public bool Succeeded { get; set; }
+
+        public void RunBasicScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_UnsafeRead));
+
+            var result = Avx2.Permute4x64(
+                Unsafe.Read<Vector256<Int64>>(_dataTable.inArrayPtr),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_Load));
+
+            var result = Avx2.Permute4x64(
+                Avx.LoadVector256((Int64*)(_dataTable.inArrayPtr)),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_LoadAligned));
+
+            var result = Avx2.Permute4x64(
+                Avx.LoadAlignedVector256((Int64*)(_dataTable.inArrayPtr)),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_UnsafeRead));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<Int64>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Unsafe.Read<Vector256<Int64>>(_dataTable.inArrayPtr),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Int64>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_Load));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<Int64>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Avx.LoadVector256((Int64*)(_dataTable.inArrayPtr)),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Int64>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_LoadAligned));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<Int64>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Avx.LoadAlignedVector256((Int64*)(_dataTable.inArrayPtr)),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Int64>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunClsVarScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClsVarScenario));
+
+            var result = Avx2.Permute4x64(
+                _clsVar,
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_clsVar, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_UnsafeRead));
+
+            var firstOp = Unsafe.Read<Vector256<Int64>>(_dataTable.inArrayPtr);
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_Load));
+
+            var firstOp = Avx.LoadVector256((Int64*)(_dataTable.inArrayPtr));
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_LoadAligned));
+
+            var firstOp = Avx.LoadAlignedVector256((Int64*)(_dataTable.inArrayPtr));
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunClassLclFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario));
+
+            var test = new ImmUnaryOpTest__Permute4x64Int6485();
+            var result = Avx2.Permute4x64(test._fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunClassFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClassFldScenario));
+
+            var result = Avx2.Permute4x64(_fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunStructLclFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario));
+
+            var test = TestStruct.Create();
+            var result = Avx2.Permute4x64(test._fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunStructFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunStructFldScenario));
+
+            var test = TestStruct.Create();
+            test.RunStructFldScenario(this);
+        }
+
+        public void RunUnsupportedScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunUnsupportedScenario));
+
+            Succeeded = false;
+
+            try
+            {
+                RunBasicScenario_UnsafeRead();
+            }
+            catch (PlatformNotSupportedException)
+            {
+                Succeeded = true;
+            }
+        }
+
+        private void ValidateResult(Vector256<Int64> firstOp, void* result, [CallerMemberName] string method = "")
+        {
+            Int64[] inArray = new Int64[Op1ElementCount];
+            Int64[] outArray = new Int64[RetElementCount];
+
+            Unsafe.WriteUnaligned(ref Unsafe.As<Int64, byte>(ref inArray[0]), firstOp);
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Int64, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<Int64>>());
+
+            ValidateResult(inArray, outArray, method);
+        }
+
+        private void ValidateResult(void* firstOp, void* result, [CallerMemberName] string method = "")
+        {
+            Int64[] inArray = new Int64[Op1ElementCount];
+            Int64[] outArray = new Int64[RetElementCount];
+
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Int64, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)Unsafe.SizeOf<Vector256<Int64>>());
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Int64, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<Int64>>());
+
+            ValidateResult(inArray, outArray, method);
+        }
+
+        private void ValidateResult(Int64[] firstOp, Int64[] result, [CallerMemberName] string method = "")
+        {
+            if (firstOp[1] != result[0])
+            {
+                Succeeded = false;
+            }
+            else
+            {
+                for (var i = 1; i < RetElementCount; i++)
+                {
+                    if (firstOp[1] != result[i])
+                    {
+                        Succeeded = false;
+                        break;
+                    }
+                }
+            }
+
+            if (!Succeeded)
+            {
+                TestLibrary.TestFramework.LogInformation($"{nameof(Avx2)}.{nameof(Avx2.Permute4x64)}<Int64>(Vector256<Int64><9>): {method} failed:");
+                TestLibrary.TestFramework.LogInformation($"  firstOp: ({string.Join(", ", firstOp)})");
+                TestLibrary.TestFramework.LogInformation($"   result: ({string.Join(", ", result)})");
+                TestLibrary.TestFramework.LogInformation(string.Empty);
+            }
+        }
+    }
+}
diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.UInt64.85.cs b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.UInt64.85.cs
new file mode 100644
index 0000000..7f93b9b
--- /dev/null
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Permute4x64.UInt64.85.cs
@@ -0,0 +1,383 @@
+// 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.
+
+/******************************************************************************
+ * This file is auto-generated from a template file by the GenerateTests.csx  *
+ * script in tests\src\JIT\HardwareIntrinsics\X86\Shared. In order to make    *
+ * changes, please update the corresponding template and run according to the *
+ * directions listed in the file.                                             *
+ ******************************************************************************/
+
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+using System.Runtime.Intrinsics.X86;
+
+namespace JIT.HardwareIntrinsics.X86
+{
+    public static partial class Program
+    {
+        private static void Permute4x64UInt6485()
+        {
+            var test = new ImmUnaryOpTest__Permute4x64UInt6485();
+
+            if (test.IsSupported)
+            {
+                // Validates basic functionality works, using Unsafe.Read
+                test.RunBasicScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates basic functionality works, using Load
+                    test.RunBasicScenario_Load();
+
+                    // Validates basic functionality works, using LoadAligned
+                    test.RunBasicScenario_LoadAligned();
+                }
+
+                // Validates calling via reflection works, using Unsafe.Read
+                test.RunReflectionScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates calling via reflection works, using Load
+                    test.RunReflectionScenario_Load();
+
+                    // Validates calling via reflection works, using LoadAligned
+                    test.RunReflectionScenario_LoadAligned();
+                }
+
+                // Validates passing a static member works
+                test.RunClsVarScenario();
+
+                // Validates passing a local works, using Unsafe.Read
+                test.RunLclVarScenario_UnsafeRead();
+
+                if (Avx.IsSupported)
+                {
+                    // Validates passing a local works, using Load
+                    test.RunLclVarScenario_Load();
+
+                    // Validates passing a local works, using LoadAligned
+                    test.RunLclVarScenario_LoadAligned();
+                }
+
+                // Validates passing the field of a local class works
+                test.RunClassLclFldScenario();
+
+                // Validates passing an instance member of a class works
+                test.RunClassFldScenario();
+
+                // Validates passing the field of a local struct works
+                test.RunStructLclFldScenario();
+
+                // Validates passing an instance member of a struct works
+                test.RunStructFldScenario();
+            }
+            else
+            {
+                // Validates we throw on unsupported hardware
+                test.RunUnsupportedScenario();
+            }
+
+            if (!test.Succeeded)
+            {
+                throw new Exception("One or more scenarios did not complete as expected.");
+            }
+        }
+    }
+
+    public sealed unsafe class ImmUnaryOpTest__Permute4x64UInt6485
+    {
+        private struct TestStruct
+        {
+            public Vector256<UInt64> _fld;
+
+            public static TestStruct Create()
+            {
+                var testStruct = new TestStruct();
+
+                for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetUInt64(); }
+                Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<UInt64>, byte>(ref testStruct._fld), ref Unsafe.As<UInt64, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<UInt64>>());
+
+                return testStruct;
+            }
+
+            public void RunStructFldScenario(ImmUnaryOpTest__Permute4x64UInt6485 testClass)
+            {
+                var result = Avx2.Permute4x64(_fld, 85);
+
+                Unsafe.Write(testClass._dataTable.outArrayPtr, result);
+                testClass.ValidateResult(_fld, testClass._dataTable.outArrayPtr);
+            }
+        }
+
+        private static readonly int LargestVectorSize = 32;
+
+        private static readonly int Op1ElementCount = Unsafe.SizeOf<Vector256<UInt64>>() / sizeof(UInt64);
+        private static readonly int RetElementCount = Unsafe.SizeOf<Vector256<UInt64>>() / sizeof(UInt64);
+
+        private static UInt64[] _data = new UInt64[Op1ElementCount];
+
+        private static Vector256<UInt64> _clsVar;
+
+        private Vector256<UInt64> _fld;
+
+        private SimpleUnaryOpTest__DataTable<UInt64, UInt64> _dataTable;
+
+        static ImmUnaryOpTest__Permute4x64UInt6485()
+        {
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetUInt64(); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<UInt64>, byte>(ref _clsVar), ref Unsafe.As<UInt64, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<UInt64>>());
+        }
+
+        public ImmUnaryOpTest__Permute4x64UInt6485()
+        {
+            Succeeded = true;
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetUInt64(); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<UInt64>, byte>(ref _fld), ref Unsafe.As<UInt64, byte>(ref _data[0]), (uint)Unsafe.SizeOf<Vector256<UInt64>>());
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetUInt64(); }
+            _dataTable = new SimpleUnaryOpTest__DataTable<UInt64, UInt64>(_data, new UInt64[RetElementCount], LargestVectorSize);
+        }
+
+        public bool IsSupported => Avx2.IsSupported;
+
+        public bool Succeeded { get; set; }
+
+        public void RunBasicScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_UnsafeRead));
+
+            var result = Avx2.Permute4x64(
+                Unsafe.Read<Vector256<UInt64>>(_dataTable.inArrayPtr),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_Load));
+
+            var result = Avx2.Permute4x64(
+                Avx.LoadVector256((UInt64*)(_dataTable.inArrayPtr)),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_LoadAligned));
+
+            var result = Avx2.Permute4x64(
+                Avx.LoadAlignedVector256((UInt64*)(_dataTable.inArrayPtr)),
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_UnsafeRead));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<UInt64>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Unsafe.Read<Vector256<UInt64>>(_dataTable.inArrayPtr),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<UInt64>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_Load));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<UInt64>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Avx.LoadVector256((UInt64*)(_dataTable.inArrayPtr)),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<UInt64>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_LoadAligned));
+
+            var result = typeof(Avx2).GetMethod(nameof(Avx2.Permute4x64), new Type[] { typeof(Vector256<UInt64>), typeof(byte) })
+                                     .Invoke(null, new object[] {
+                                        Avx.LoadAlignedVector256((UInt64*)(_dataTable.inArrayPtr)),
+                                        (byte)85
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector256<UInt64>)(result));
+            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
+        }
+
+        public void RunClsVarScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClsVarScenario));
+
+            var result = Avx2.Permute4x64(
+                _clsVar,
+                85
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_clsVar, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_UnsafeRead()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_UnsafeRead));
+
+            var firstOp = Unsafe.Read<Vector256<UInt64>>(_dataTable.inArrayPtr);
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_Load()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_Load));
+
+            var firstOp = Avx.LoadVector256((UInt64*)(_dataTable.inArrayPtr));
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_LoadAligned()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_LoadAligned));
+
+            var firstOp = Avx.LoadAlignedVector256((UInt64*)(_dataTable.inArrayPtr));
+            var result = Avx2.Permute4x64(firstOp, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(firstOp, _dataTable.outArrayPtr);
+        }
+
+        public void RunClassLclFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario));
+
+            var test = new ImmUnaryOpTest__Permute4x64UInt6485();
+            var result = Avx2.Permute4x64(test._fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunClassFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunClassFldScenario));
+
+            var result = Avx2.Permute4x64(_fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunStructLclFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario));
+
+            var test = TestStruct.Create();
+            var result = Avx2.Permute4x64(test._fld, 85);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld, _dataTable.outArrayPtr);
+        }
+
+        public void RunStructFldScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunStructFldScenario));
+
+            var test = TestStruct.Create();
+            test.RunStructFldScenario(this);
+        }
+
+        public void RunUnsupportedScenario()
+        {
+            TestLibrary.TestFramework.BeginScenario(nameof(RunUnsupportedScenario));
+
+            Succeeded = false;
+
+            try
+            {
+                RunBasicScenario_UnsafeRead();
+            }
+            catch (PlatformNotSupportedException)
+            {
+                Succeeded = true;
+            }
+        }
+
+        private void ValidateResult(Vector256<UInt64> firstOp, void* result, [CallerMemberName] string method = "")
+        {
+            UInt64[] inArray = new UInt64[Op1ElementCount];
+            UInt64[] outArray = new UInt64[RetElementCount];
+
+            Unsafe.WriteUnaligned(ref Unsafe.As<UInt64, byte>(ref inArray[0]), firstOp);
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<UInt64, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<UInt64>>());
+
+            ValidateResult(inArray, outArray, method);
+        }
+
+        private void ValidateResult(void* firstOp, void* result, [CallerMemberName] string method = "")
+        {
+            UInt64[] inArray = new UInt64[Op1ElementCount];
+            UInt64[] outArray = new UInt64[RetElementCount];
+
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<UInt64, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)Unsafe.SizeOf<Vector256<UInt64>>());
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<UInt64, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<UInt64>>());
+
+            ValidateResult(inArray, outArray, method);
+        }
+
+        private void ValidateResult(UInt64[] firstOp, UInt64[] result, [CallerMemberName] string method = "")
+        {
+            if (firstOp[1] != result[0])
+            {
+                Succeeded = false;
+            }
+            else
+            {
+                for (var i = 1; i < RetElementCount; i++)
+                {
+                    if (firstOp[1] != result[i])
+                    {
+                        Succeeded = false;
+                        break;
+                    }
+                }
+            }
+
+            if (!Succeeded)
+            {
+                TestLibrary.TestFramework.LogInformation($"{nameof(Avx2)}.{nameof(Avx2.Permute4x64)}<UInt64>(Vector256<UInt64><9>): {method} failed:");
+                TestLibrary.TestFramework.LogInformation($"  firstOp: ({string.Join(", ", firstOp)})");
+                TestLibrary.TestFramework.LogInformation($"   result: ({string.Join(", ", result)})");
+                TestLibrary.TestFramework.LogInformation(string.Empty);
+            }
+        }
+    }
+}
diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Program.Avx2.cs b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Program.Avx2.cs
index d8a8a30..13a232b 100644
--- a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Program.Avx2.cs
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Avx2/Program.Avx2.cs
@@ -159,6 +159,9 @@ namespace JIT.HardwareIntrinsics.X86
                 ["Permute2x128.UInt32.2"] = Permute2x128UInt322,
                 ["Permute2x128.Int64.2"] = Permute2x128Int642,
                 ["Permute2x128.UInt64.2"] = Permute2x128UInt642,
+                ["Permute4x64.Double.85"] = Permute4x64Double85,
+                ["Permute4x64.Int64.85"] = Permute4x64Int6485,
+                ["Permute4x64.UInt64.85"] = Permute4x64UInt6485,
                 ["ShiftLeftLogical.Int16.1"] = ShiftLeftLogicalInt161,
                 ["ShiftLeftLogical.UInt16.1"] = ShiftLeftLogicalUInt161,
                 ["ShiftLeftLogical.Int32.1"] = ShiftLeftLogicalInt321,
diff --git a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Shared/GenerateTests.csx b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Shared/GenerateTests.csx
index d0f34dc..2e7054c 100644
--- a/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Shared/GenerateTests.csx
+++ b/src/coreclr/tests/src/JIT/HardwareIntrinsics/X86/Shared/GenerateTests.csx
@@ -724,7 +724,10 @@ private static readonly (string templateFileName, Dictionary<string, string> tem
     ("ImmBinOpTest.template",         new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute2x128",                ["RetVectorType"] = "Vector256", ["RetBaseType"] = "Int32",  ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "Int32",  ["Op2VectorType"] = "Vector256", ["Op2BaseType"] = "Int32",                                                              ["Imm"] = "2",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetInt32()",  ["NextValueOp2"] = "TestLibrary.Generator.GetInt32()",                                                           ["ValidateFirstResult"] = "result[0] != right[0]",                                                                   ["ValidateRemainingResults"] = "i > 3 ? (result[i] != left[i - 4]) : (result[i] != right[i])"}),
     ("ImmBinOpTest.template",         new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute2x128",                ["RetVectorType"] = "Vector256", ["RetBaseType"] = "UInt32", ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "UInt32", ["Op2VectorType"] = "Vector256", ["Op2BaseType"] = "UInt32",                                                             ["Imm"] = "2",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetUInt32()", ["NextValueOp2"] = "TestLibrary.Generator.GetUInt32()",                                                          ["ValidateFirstResult"] = "result[0] != right[0]",                                                                   ["ValidateRemainingResults"] = "i > 3 ? (result[i] != left[i - 4]) : (result[i] != right[i])"}),
     ("ImmBinOpTest.template",         new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute2x128",                ["RetVectorType"] = "Vector256", ["RetBaseType"] = "Int64",  ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "Int64",  ["Op2VectorType"] = "Vector256", ["Op2BaseType"] = "Int64",                                                              ["Imm"] = "2",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetInt64()",  ["NextValueOp2"] = "TestLibrary.Generator.GetInt64()",                                                           ["ValidateFirstResult"] = "result[0] != right[0]",                                                                   ["ValidateRemainingResults"] = "i > 1 ? (result[i] != left[i - 2]) : (result[i] != right[i])"}),
-    ("ImmBinOpTest.template",         new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute2x128",                ["RetVectorType"] = "Vector256", ["RetBaseType"] = "UInt64", ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "UInt64", ["Op2VectorType"] = "Vector256", ["Op2BaseType"] = "UInt64",                                                             ["Imm"] = "2",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetUInt64()", ["NextValueOp2"] = "TestLibrary.Generator.GetUInt64()",                                                          ["ValidateFirstResult"] = "result[0] != right[0]",                                                                   ["ValidateRemainingResults"] = "i > 1 ? (result[i] != left[i - 2]) : (result[i] != right[i])"}),    
+    ("ImmBinOpTest.template",         new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute2x128",                ["RetVectorType"] = "Vector256", ["RetBaseType"] = "UInt64", ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "UInt64", ["Op2VectorType"] = "Vector256", ["Op2BaseType"] = "UInt64",                                                             ["Imm"] = "2",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetUInt64()", ["NextValueOp2"] = "TestLibrary.Generator.GetUInt64()",                                                          ["ValidateFirstResult"] = "result[0] != right[0]",                                                                   ["ValidateRemainingResults"] = "i > 1 ? (result[i] != left[i - 2]) : (result[i] != right[i])"}),
+    ("ImmUnOpTest.template",          new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute4x64",                 ["RetVectorType"] = "Vector256", ["RetBaseType"] = "Double", ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "Double",                                                                                                                          ["Imm"] = "85",  ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetDouble()",                                                                                                                  ["ValidateFirstResult"] = "BitConverter.DoubleToInt64Bits(firstOp[1]) != BitConverter.DoubleToInt64Bits(result[0])", ["ValidateRemainingResults"] = "BitConverter.DoubleToInt64Bits(firstOp[1])  != BitConverter.DoubleToInt64Bits(result[i])"}),
+    ("ImmUnOpTest.template",          new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute4x64",                 ["RetVectorType"] = "Vector256", ["RetBaseType"] = "Int64",  ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "Int64",                                                                                                                           ["Imm"] = "85",  ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetInt64()",                                                                                                                   ["ValidateFirstResult"] = "firstOp[1] != result[0]",                                                                 ["ValidateRemainingResults"] = "firstOp[1] != result[i]"}),
+    ("ImmUnOpTest.template",          new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "Permute4x64",                 ["RetVectorType"] = "Vector256", ["RetBaseType"] = "UInt64", ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "UInt64",                                                                                                                          ["Imm"] = "85",  ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetUInt64()",                                                                                                                  ["ValidateFirstResult"] = "firstOp[1] != result[0]",                                                                 ["ValidateRemainingResults"] = "firstOp[1] != result[i]"}),
     ("ImmUnOpTest.template",          new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "ShiftLeftLogical",            ["RetVectorType"] = "Vector256", ["RetBaseType"] = "Int16",  ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "Int16",                                                                                                                           ["Imm"] = "1",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetInt16()",                                                                                                                   ["ValidateFirstResult"] = "(short)(firstOp[0] << 1) != result[0]",                                                   ["ValidateRemainingResults"] = "(short)(firstOp[i] << 1) != result[i]"}),
     ("ImmUnOpTest.template",          new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "ShiftLeftLogical",            ["RetVectorType"] = "Vector256", ["RetBaseType"] = "UInt16", ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "UInt16",                                                                                                                          ["Imm"] = "1",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetUInt16()",                                                                                                                  ["ValidateFirstResult"] = "(ushort)(firstOp[0] << 1) != result[0]",                                                  ["ValidateRemainingResults"] = "(ushort)(firstOp[i] << 1) != result[i]"}),
     ("ImmUnOpTest.template",          new Dictionary<string, string> { ["Isa"] = "Avx2", ["LoadIsa"] = "Avx",  ["Method"] = "ShiftLeftLogical",            ["RetVectorType"] = "Vector256", ["RetBaseType"] = "Int32",  ["Op1VectorType"] = "Vector256", ["Op1BaseType"] = "Int32",                                                                                                                           ["Imm"] = "1",   ["LargestVectorSize"] = "32", ["NextValueOp1"] = "TestLibrary.Generator.GetInt32()",                                                                                                                   ["ValidateFirstResult"] = "(int)(firstOp[0] << 1) != result[0]",                                                     ["ValidateRemainingResults"] = "(int)(firstOp[i] << 1) != result[i]"}),