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BroadcastScalarToVector128.Int32.cs « Avx2_Vector128 « X86 « HardwareIntrinsics « JIT « tests « src - github.com/dotnet/runtime.git - Unnamed repository; edit this file 'description' to name the repository.
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

/******************************************************************************
 * 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.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using Xunit;

namespace JIT.HardwareIntrinsics.X86._Avx2_Vector128
{
    public static partial class Program
    {
        [Fact]
        public static void BroadcastScalarToVector128Int32()
        {
            var test = new SimpleUnaryOpTest__BroadcastScalarToVector128Int32();

            if (test.IsSupported)
            {
                // Validates basic functionality works
                test.RunBasicScenario_Load();

                // Validates calling via reflection works
                test.RunReflectionScenario_Load();
            }
            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 SimpleUnaryOpTest__BroadcastScalarToVector128Int32
    {
        private static readonly int LargestVectorSize = 16;

        private static readonly int Op1ElementCount = Unsafe.SizeOf<Vector128<Int32>>() / sizeof(Int32);
        private static readonly int RetElementCount = Unsafe.SizeOf<Vector128<Int32>>() / sizeof(Int32);

        private static Int32[] _data = new Int32[Op1ElementCount];

        private SimpleUnaryOpTest__DataTable<Int32, Int32> _dataTable;

        public SimpleUnaryOpTest__BroadcastScalarToVector128Int32()
        {
            Succeeded = true;

            for (var i = 0; i < Op1ElementCount; i++) { _data[i] = TestLibrary.Generator.GetInt32(); }
            _dataTable = new SimpleUnaryOpTest__DataTable<Int32, Int32>(_data, new Int32[RetElementCount], LargestVectorSize);
        }

        public bool IsSupported => Avx2.IsSupported;

        public bool Succeeded { get; set; }

        public void RunBasicScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario_Load));

            var result = Avx2.BroadcastScalarToVector128(
                (Int32*)(_dataTable.inArrayPtr)
            );

            Unsafe.Write(_dataTable.outArrayPtr, result);
            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
        }

        public void RunReflectionScenario_Load()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunReflectionScenario_Load));

            var result = typeof(Avx2).GetMethod(nameof(Avx2.BroadcastScalarToVector128), new Type[] { typeof(Int32*) })
                                     .Invoke(null, new object[] {
                                        Pointer.Box(_dataTable.inArrayPtr, typeof(Int32*))
                                     });

            Unsafe.Write(_dataTable.outArrayPtr, (Vector128<Int32>)(result));
            ValidateResult(_dataTable.inArrayPtr, _dataTable.outArrayPtr);
        }

        public void RunUnsupportedScenario()
        {
            TestLibrary.TestFramework.BeginScenario(nameof(RunUnsupportedScenario));

            Succeeded = false;

            try
            {
                RunBasicScenario_Load();
            }
            catch (PlatformNotSupportedException)
            {
                Succeeded = true;
            }
        }

        private void ValidateResult(Vector128<Int32> firstOp, void* result, [CallerMemberName] string method = "")
        {
            Int32[] inArray = new Int32[Op1ElementCount];
            Int32[] outArray = new Int32[RetElementCount];

            Unsafe.WriteUnaligned(ref Unsafe.As<Int32, byte>(ref inArray[0]), firstOp);
            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Int32, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector128<Int32>>());

            ValidateResult(inArray, outArray, method);
        }

        private void ValidateResult(void* firstOp, void* result, [CallerMemberName] string method = "")
        {
            Int32[] inArray = new Int32[Op1ElementCount];
            Int32[] outArray = new Int32[RetElementCount];

            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Int32, byte>(ref inArray[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)Unsafe.SizeOf<Vector128<Int32>>());
            Unsafe.CopyBlockUnaligned(ref Unsafe.As<Int32, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector128<Int32>>());

            ValidateResult(inArray, outArray, method);
        }

        private void ValidateResult(Int32[] firstOp, Int32[] result, [CallerMemberName] string method = "")
        {
            bool succeeded = true;

            if (firstOp[0] != result[0])
            {
                succeeded = false;
            }
            else
            {
                for (var i = 1; i < RetElementCount; i++)
                {
                    if ((firstOp[0] != result[i]))
                    {
                        succeeded = false;
                        break;
                    }
                }
            }

            if (!succeeded)
            {
                TestLibrary.TestFramework.LogInformation($"{nameof(Avx2)}.{nameof(Avx2.BroadcastScalarToVector128)}<Int32>(Vector128<Int32>): {method} failed:");
                TestLibrary.TestFramework.LogInformation($"  firstOp: ({string.Join(", ", firstOp)})");
                TestLibrary.TestFramework.LogInformation($"   result: ({string.Join(", ", result)})");
                TestLibrary.TestFramework.LogInformation(string.Empty);

                Succeeded = false;
            }
        }
    }
}