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Vectorize Guid equality. #66889

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merged 2 commits into from
Apr 25, 2022
Merged

Vectorize Guid equality. #66889

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03db32d
Vectorize Guid equality.
madelson Mar 19, 2022
2a9c228
Update src/libraries/System.Private.CoreLib/src/System/Guid.cs
madelson Mar 20, 2022
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7 changes: 6 additions & 1 deletion src/libraries/System.Private.CoreLib/src/System/Guid.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,9 +5,9 @@
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Versioning;

namespace System
Expand Down Expand Up @@ -858,6 +858,11 @@ public override int GetHashCode()

private static bool EqualsCore(in Guid left, in Guid right)
{
if (Vector128.IsHardwareAccelerated)
{
return Vector128.LoadUnsafe(ref Unsafe.As<Guid, byte>(ref Unsafe.AsRef(in left))) == Vector128.LoadUnsafe(ref Unsafe.As<Guid, byte>(ref Unsafe.AsRef(in right)));
}

ref int rA = ref Unsafe.AsRef(in left._a);
ref int rB = ref Unsafe.AsRef(in right._a);

Expand Down