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Merge pull request dotnet/coreclr#9598 from ahsonkhan/OptimizeSpanClear
Optimize span clear Commit migrated from dotnet/coreclr@da44463
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32
src/coreclr/src/mscorlib/src/System/Runtime/RuntimeImports.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // 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. | ||
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| using System.Runtime.CompilerServices; | ||
| using System.Runtime.InteropServices; | ||
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| #if BIT64 | ||
| using nuint = System.UInt64; | ||
| #else | ||
| using nuint = System.UInt32; | ||
| #endif | ||
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| namespace System.Runtime | ||
| { | ||
| public class RuntimeImports | ||
| { | ||
| // Non-inlinable wrapper around the QCall that avoids poluting the fast path | ||
| // with P/Invoke prolog/epilog. | ||
| [MethodImplAttribute(MethodImplOptions.NoInlining)] | ||
| internal unsafe static void RhZeroMemory(ref byte b, nuint byteLength) | ||
| { | ||
| fixed (byte* bytePointer = &b) | ||
| { | ||
| RhZeroMemory(bytePointer, byteLength); | ||
| } | ||
| } | ||
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| [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)] | ||
| extern private unsafe static void RhZeroMemory(byte* b, nuint byteLength); | ||
| } | ||
| } |
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