--- /dev/null
+// 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
+{
+ // that it is intentionally designed to be a struct type that meets
+ // the generic constraint but is not supported by any intrinsics
+ struct Num
+ {
+ public int a;
+ }
+
+ class Program
+ {
+ const int Pass = 100;
+ const int Fail = 0;
+
+ static unsafe int Main(string[] args)
+ {
+ int testResult = Pass;
+
+ if (Avx.IsSupported)
+ {
+ using (TestTable<float, int> floatTable = new TestTable<float, int>(new float[8] { 1, float.NaN, float.PositiveInfinity, float.NegativeInfinity, float.NegativeInfinity, float.PositiveInfinity, float.NaN, 1 }, new int[8]))
+ {
+ var vf1 = Unsafe.Read<Vector256<float>>(floatTable.inArrayPtr);
+ var vf2 = Avx.StaticCast<float, int>(vf1);
+ Unsafe.Write(floatTable.outArrayPtr, vf2);
+
+ if (!floatTable.CheckResult((x, y) => BitConverter.SingleToInt32Bits(x) == y))
+ {
+ Console.WriteLine("Avx StaticCast failed on float:");
+ foreach (var item in floatTable.outArray)
+ {
+ Console.Write(item + ", ");
+ }
+ Console.WriteLine();
+ testResult = Fail;
+ }
+
+ // the successful path is the one that catches the exception, so that does nothing,
+ // it is the fall-through path that's the error path
+ try
+ {
+ var v = Avx.StaticCast<float, Num>(vf1);
+ Unsafe.Write(floatTable.outArrayPtr, v);
+ Console.WriteLine("Avx StaticCast failed on target type test:");
+ testResult = Fail;
+ }
+ catch (System.NotSupportedException)
+ {
+ }
+
+ // the successful path is the one that catches the exception, so that does nothing,
+ // it is the fall-through path that's the error path
+ try
+ {
+ var v = TestSrcType();
+ Unsafe.Write(floatTable.outArrayPtr, v);
+ Console.WriteLine("Avx StaticCast failed on source type test:");
+ testResult = Fail;
+ }
+ catch (System.NotSupportedException)
+ {
+ }
+ }
+ }
+
+ return testResult;
+ }
+
+ [MethodImpl(MethodImplOptions.NoInlining)]
+ static Vector256<int> TestSrcType()
+ {
+ Vector256<Num> v1 = new Vector256<Num>();
+ Vector256<Num> v2 = new Vector256<Num>();
+ return Avx2.Add(Avx.StaticCast<Num, int>(v1), Avx.StaticCast<Num, int>(v2));
+ }
+
+ public unsafe struct TestTable<T, U> : IDisposable where T : struct where U : struct
+ {
+ public T[] inArray;
+ public U[] outArray;
+
+ public void* inArrayPtr => inHandle.AddrOfPinnedObject().ToPointer();
+ public void* outArrayPtr => outHandle.AddrOfPinnedObject().ToPointer();
+
+ GCHandle inHandle;
+ GCHandle outHandle;
+
+ public TestTable(T[] a, U[] b)
+ {
+ this.inArray = a;
+ this.outArray = b;
+
+ inHandle = GCHandle.Alloc(inArray, GCHandleType.Pinned);
+ outHandle = GCHandle.Alloc(outArray, GCHandleType.Pinned);
+ }
+
+ public bool CheckResult(Func<T, U, bool> check)
+ {
+ for (int i = 0; i < inArray.Length; i++)
+ {
+ if (!check(inArray[i], outArray[i]))
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ public void Dispose()
+ {
+ inHandle.Free();
+ outHandle.Free();
+ }
+ }
+ }
+}
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+ <PropertyGroup>
+ <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+ <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+ <SchemaVersion>2.0</SchemaVersion>
+ <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+ <OutputType>Exe</OutputType>
+ <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+ <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+ <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+ </PropertyGroup>
+ <!-- Default configurations to help VS understand the configurations -->
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' " />
+ <ItemGroup>
+ <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+ <Visible>False</Visible>
+ </CodeAnalysisDependentAssemblyPaths>
+ </ItemGroup>
+ <PropertyGroup>
+ <DebugType>None</DebugType>
+ <Optimize></Optimize>
+ </PropertyGroup>
+ <ItemGroup>
+ <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+ </ItemGroup>
+ <ItemGroup>
+ <Compile Include="StaticCast.cs" />
+ </ItemGroup>
+ <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+ <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+ <PropertyGroup>
+ <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+ <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+ <SchemaVersion>2.0</SchemaVersion>
+ <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+ <OutputType>Exe</OutputType>
+ <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+ <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+ <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+ </PropertyGroup>
+ <!-- Default configurations to help VS understand the configurations -->
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "></PropertyGroup>
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' " />
+ <ItemGroup>
+ <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+ <Visible>False</Visible>
+ </CodeAnalysisDependentAssemblyPaths>
+ </ItemGroup>
+ <PropertyGroup>
+ <DebugType>None</DebugType>
+ <Optimize>True</Optimize>
+ </PropertyGroup>
+ <ItemGroup>
+ <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+ </ItemGroup>
+ <ItemGroup>
+ <Compile Include="StaticCast.cs" />
+ </ItemGroup>
+ <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+ <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "></PropertyGroup>
+</Project>