1 files changed, 330 insertions, 0 deletions
diff --git a/tests/src/JIT/HardwareIntrinsics/X86/Sse2/MaxScalar.Double.cs b/tests/src/JIT/HardwareIntrinsics/X86/Sse2/MaxScalar.Double.cs
new file mode 100644
index 0000000000..3030073569
--- /dev/null
+++ b/tests/src/JIT/HardwareIntrinsics/X86/Sse2/MaxScalar.Double.cs
@@ -0,0 +1,330 @@
+// 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 MaxScalarDouble()
+        {
+            var test = new SimpleBinaryOpTest__MaxScalarDouble();
+
+            if (test.IsSupported)
+            {
+                // Validates basic functionality works, using Unsafe.Read
+                test.RunBasicScenario_UnsafeRead();
+
+                if (Sse2.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 (Sse2.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 (Sse2.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 works
+                test.RunLclFldScenario();
+
+                // Validates passing an instance member works
+                test.RunFldScenario();
+            }
+            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 SimpleBinaryOpTest__MaxScalarDouble
+    {
+        private const int VectorSize = 16;
+
+        private const int Op1ElementCount = VectorSize / sizeof(Double);
+        private const int Op2ElementCount = VectorSize / sizeof(Double);
+        private const int RetElementCount = VectorSize / sizeof(Double);
+
+        private static Double[] _data1 = new Double[Op1ElementCount];
+        private static Double[] _data2 = new Double[Op2ElementCount];
+
+        private static Vector128<Double> _clsVar1;
+        private static Vector128<Double> _clsVar2;
+
+        private Vector128<Double> _fld1;
+        private Vector128<Double> _fld2;
+
+        private SimpleBinaryOpTest__DataTable<Double, Double, Double> _dataTable;
+
+        static SimpleBinaryOpTest__MaxScalarDouble()
+        {
+            var random = new Random();
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector128<Double>, byte>(ref _clsVar1), ref Unsafe.As<Double, byte>(ref _data1[0]), VectorSize);
+            for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector128<Double>, byte>(ref _clsVar2), ref Unsafe.As<Double, byte>(ref _data2[0]), VectorSize);
+        }
+
+        public SimpleBinaryOpTest__MaxScalarDouble()
+        {
+            Succeeded = true;
+
+            var random = new Random();
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector128<Double>, byte>(ref _fld1), ref Unsafe.As<Double, byte>(ref _data1[0]), VectorSize);
+            for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector128<Double>, byte>(ref _fld2), ref Unsafe.As<Double, byte>(ref _data2[0]), VectorSize);
+
+            for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
+            for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
+            _dataTable = new SimpleBinaryOpTest__DataTable<Double, Double, Double>(_data1, _data2, new Double[RetElementCount], VectorSize);
+        }
+
+        public bool IsSupported => Sse2.IsSupported;
+
+        public bool Succeeded { get; set; }
+
+        public void RunBasicScenario_UnsafeRead()
+        {
+            var result = Sse2.MaxScalar(
+                Unsafe.Read<Vector128<Double>>(_dataTable.inArray1Ptr),
+                Unsafe.Read<Vector128<Double>>(_dataTable.inArray2Ptr)
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_Load()
+        {
+            var result = Sse2.MaxScalar(
+                Sse2.LoadVector128((Double*)(_dataTable.inArray1Ptr)),
+                Sse2.LoadVector128((Double*)(_dataTable.inArray2Ptr))
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
+        }
+
+        public void RunBasicScenario_LoadAligned()
+        {
+            var result = Sse2.MaxScalar(
+                Sse2.LoadAlignedVector128((Double*)(_dataTable.inArray1Ptr)),
+                Sse2.LoadAlignedVector128((Double*)(_dataTable.inArray2Ptr))
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_UnsafeRead()
+        {
+            var result = typeof(Sse2).GetMethod(nameof(Sse2.MaxScalar), new Type[] { typeof(Vector128<Double>), typeof(Vector128<Double>) })
+                                     .Invoke(null, new object[] {
+                                        Unsafe.Read<Vector128<Double>>(_dataTable.inArray1Ptr),
+                                        Unsafe.Read<Vector128<Double>>(_dataTable.inArray2Ptr)
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector128<Double>)(result));
+            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_Load()
+        {
+            var result = typeof(Sse2).GetMethod(nameof(Sse2.MaxScalar), new Type[] { typeof(Vector128<Double>), typeof(Vector128<Double>) })
+                                     .Invoke(null, new object[] {
+                                        Sse2.LoadVector128((Double*)(_dataTable.inArray1Ptr)),
+                                        Sse2.LoadVector128((Double*)(_dataTable.inArray2Ptr))
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector128<Double>)(result));
+            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
+        }
+
+        public void RunReflectionScenario_LoadAligned()
+        {
+            var result = typeof(Sse2).GetMethod(nameof(Sse2.MaxScalar), new Type[] { typeof(Vector128<Double>), typeof(Vector128<Double>) })
+                                     .Invoke(null, new object[] {
+                                        Sse2.LoadAlignedVector128((Double*)(_dataTable.inArray1Ptr)),
+                                        Sse2.LoadAlignedVector128((Double*)(_dataTable.inArray2Ptr))
+                                     });
+
+            Unsafe.Write(_dataTable.outArrayPtr, (Vector128<Double>)(result));
+            ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.outArrayPtr);
+        }
+
+        public void RunClsVarScenario()
+        {
+            var result = Sse2.MaxScalar(
+                _clsVar1,
+                _clsVar2
+            );
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_clsVar1, _clsVar2, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_UnsafeRead()
+        {
+            var left = Unsafe.Read<Vector128<Double>>(_dataTable.inArray1Ptr);
+            var right = Unsafe.Read<Vector128<Double>>(_dataTable.inArray2Ptr);
+            var result = Sse2.MaxScalar(left, right);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(left, right, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_Load()
+        {
+            var left = Sse2.LoadVector128((Double*)(_dataTable.inArray1Ptr));
+            var right = Sse2.LoadVector128((Double*)(_dataTable.inArray2Ptr));
+            var result = Sse2.MaxScalar(left, right);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(left, right, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclVarScenario_LoadAligned()
+        {
+            var left = Sse2.LoadAlignedVector128((Double*)(_dataTable.inArray1Ptr));
+            var right = Sse2.LoadAlignedVector128((Double*)(_dataTable.inArray2Ptr));
+            var result = Sse2.MaxScalar(left, right);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(left, right, _dataTable.outArrayPtr);
+        }
+
+        public void RunLclFldScenario()
+        {
+            var test = new SimpleBinaryOpTest__MaxScalarDouble();
+            var result = Sse2.MaxScalar(test._fld1, test._fld2);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(test._fld1, test._fld2, _dataTable.outArrayPtr);
+        }
+
+        public void RunFldScenario()
+        {
+            var result = Sse2.MaxScalar(_fld1, _fld2);
+
+            Unsafe.Write(_dataTable.outArrayPtr, result);
+            ValidateResult(_fld1, _fld2, _dataTable.outArrayPtr);
+        }
+
+        public void RunUnsupportedScenario()
+        {
+            Succeeded = false;
+
+            try
+            {
+                RunBasicScenario_UnsafeRead();
+            }
+            catch (PlatformNotSupportedException)
+            {
+                Succeeded = true;
+            }
+        }
+
+        private void ValidateResult(Vector128<Double> left, Vector128<Double> right, void* result, [CallerMemberName] string method = "")
+        {
+            Double[] inArray1 = new Double[Op1ElementCount];
+            Double[] inArray2 = new Double[Op2ElementCount];
+            Double[] outArray = new Double[RetElementCount];
+
+            Unsafe.Write(Unsafe.AsPointer(ref inArray1[0]), left);
+            Unsafe.Write(Unsafe.AsPointer(ref inArray2[0]), right);
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), VectorSize);
+
+            ValidateResult(inArray1, inArray2, outArray, method);
+        }
+
+        private void ValidateResult(void* left, void* right, void* result, [CallerMemberName] string method = "")
+        {
+            Double[] inArray1 = new Double[Op1ElementCount];
+            Double[] inArray2 = new Double[Op2ElementCount];
+            Double[] outArray = new Double[RetElementCount];
+
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref inArray1[0]), ref Unsafe.AsRef<byte>(left), VectorSize);
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref inArray2[0]), ref Unsafe.AsRef<byte>(right), VectorSize);
+            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), VectorSize);
+
+            ValidateResult(inArray1, inArray2, outArray, method);
+        }
+
+        private void ValidateResult(Double[] left, Double[] right, Double[] result, [CallerMemberName] string method = "")
+        {
+            if (BitConverter.DoubleToInt64Bits(Math.Max(left[0], right[0])) != BitConverter.DoubleToInt64Bits(result[0]))
+            {
+                Succeeded = false;
+            }
+            else
+            {
+                for (var i = 1; i < RetElementCount; i++)
+                {
+                    if (BitConverter.DoubleToInt64Bits(left[i]) != BitConverter.DoubleToInt64Bits(result[i]))
+                    {
+                        Succeeded = false;
+                        break;
+                    }
+                }
+            }
+
+            if (!Succeeded)
+            {
+                Console.WriteLine($"{nameof(Sse2)}.{nameof(Sse2.MaxScalar)}<Double>(Vector128<Double>, Vector128<Double>): {method} failed:");
+                Console.WriteLine($"    left: ({string.Join(", ", left)})");
+                Console.WriteLine($"   right: ({string.Join(", ", right)})");
+                Console.WriteLine($"  result: ({string.Join(", ", result)})");
+                Console.WriteLine();
+            }
+        }
+    }
+}