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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.
//
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)
{
using (TestTable<float> floatTable = new TestTable<float>(new float[4] { 1, -5, 100, 0 }, new float[4]))
using (TestTable<double> doubleTable = new TestTable<double>(new double[2] { -11, 7 }, new double[2]))
{
var vd0 = Unsafe.Read<Vector128<double>>(doubleTable.inArrayPtr);
var vf1 = Unsafe.Read<Vector128<float>>(floatTable.inArrayPtr);
var vf2 = Sse2.ConvertScalarToVector128Single(vf1, vd0);
Unsafe.Write(floatTable.outArrayPtr, vf2);
if (!floatTable.CheckResult((x, y) => (y[0] == -11)
&& (y[1] == x[1]) && (y[2] == x[2]) && (y[3] == x[3])))
{
Console.WriteLine("SSE ConvertScalarToVector128Single failed on float:");
foreach (var item in floatTable.outArray)
{
Console.Write(item + ", ");
}
Console.WriteLine();
testResult = Fail;
}
}
}
return testResult;
}
public unsafe struct TestTable<T> : IDisposable where T : struct
{
public T[] inArray;
public T[] outArray;
public void* inArrayPtr => inHandle.AddrOfPinnedObject().ToPointer();
public void* outArrayPtr => outHandle.AddrOfPinnedObject().ToPointer();
GCHandle inHandle;
GCHandle outHandle;
public TestTable(T[] a, T[] b)
{
this.inArray = a;
this.outArray = b;
inHandle = GCHandle.Alloc(inArray, GCHandleType.Pinned);
outHandle = GCHandle.Alloc(outArray, GCHandleType.Pinned);
}
public bool CheckResult(Func<T[], T[], bool> check)
{
return check(inArray, outArray);
}
public void Dispose()
{
inHandle.Free();
outHandle.Free();
}
}
}
}
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