Ensure that the new Vector512 related ISAs are covered by ILLink Substitutions (#83040)

* Ensure that the new Vector512 related ISAs are covered by ILLink Substitutions

* Define the Avx512F and derived classes

src/libraries/System.Private.CoreLib/src/ILLink/ILLink.Substitutions.NoX86Intrinsics.xml

@@ -3,6 +3,9 @@
     <type fullname="System.Runtime.Intrinsics.Vector256">
       <method signature="System.Boolean get_IsHardwareAccelerated()" body="stub" value="false" />
     </type>
+    <type fullname="System.Runtime.Intrinsics.Vector512">
+      <method signature="System.Boolean get_IsHardwareAccelerated()" body="stub" value="false" />
+    </type>
     <type fullname="System.Runtime.Intrinsics.X86.Aes">
       <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
     </type>
@@ -21,6 +24,42 @@
     <type fullname="System.Runtime.Intrinsics.X86.Avx2/X64">
       <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
     </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512BW">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512BW/VL">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512BW/X64">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512CD">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512CD/VL">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512CD/X64">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512DQ">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512DQ/VL">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512DQ/X64">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512F">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512F/VL">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
+    <type fullname="System.Runtime.Intrinsics.X86.Avx512F/X64">
+      <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
+    </type>
     <type fullname="System.Runtime.Intrinsics.X86.AvxVnni">
       <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
     </type>
@@ -111,6 +150,5 @@
     <type fullname="System.Runtime.Intrinsics.X86.X86Serialize/X64">
       <method signature="System.Boolean get_IsSupported()" body="stub" value="false" />
     </type>
-
   </assembly>
 </linker>

src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems

@@ -2422,6 +2422,10 @@
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Aes.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx2.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512BW.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512CD.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512DQ.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512F.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\AvxVnni.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Bmi1.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Bmi2.cs" />
@@ -2442,6 +2446,10 @@
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Aes.PlatformNotSupported.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx.PlatformNotSupported.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx2.PlatformNotSupported.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512BW.PlatformNotSupported.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512CD.PlatformNotSupported.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512DQ.PlatformNotSupported.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Avx512F.PlatformNotSupported.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\AvxVnni.PlatformNotSupported.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Bmi1.PlatformNotSupported.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Runtime\Intrinsics\X86\Bmi2.PlatformNotSupported.cs" />
@@ -2574,4 +2582,4 @@
     <Compile Include="$(MSBuildThisFileDirectory)System\Numerics\IUnaryPlusOperators.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)System\Numerics\IUnsignedNumber.cs" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512BW.PlatformNotSupported.cs

+// 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.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512BW hardware instructions via intrinsics</summary>
+    [CLSCompliant(false)]
+    public abstract class Avx512BW : Avx512F
+    {
+        internal Avx512BW() { }
+
+        public static new bool IsSupported { [Intrinsic] get { return false; } }
+
+        public new abstract class VL : Avx512F.VL
+        {
+            internal VL() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+
+        public new abstract class X64 : Avx512F.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512BW.cs

+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512BW hardware instructions via intrinsics</summary>
+    [Intrinsic]
+    [CLSCompliant(false)]
+    public abstract class Avx512BW : Avx512F
+    {
+        internal Avx512BW() { }
+
+        public static new bool IsSupported { get => IsSupported; }
+
+        [Intrinsic]
+        public new abstract class VL : Avx512F.VL
+        {
+            internal VL() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+
+        [Intrinsic]
+        public new abstract class X64 : Avx512F.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512CD.PlatformNotSupported.cs

+// 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.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512CD hardware instructions via intrinsics</summary>
+    [CLSCompliant(false)]
+    public abstract class Avx512CD : Avx512F
+    {
+        internal Avx512CD() { }
+
+        public static new bool IsSupported { [Intrinsic] get { return false; } }
+
+        public new abstract class VL : Avx512F.VL
+        {
+            internal VL() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+
+        public new abstract class X64 : Avx512F.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512CD.cs

+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512CD hardware instructions via intrinsics</summary>
+    [Intrinsic]
+    [CLSCompliant(false)]
+    public abstract class Avx512CD : Avx512F
+    {
+        internal Avx512CD() { }
+
+        public static new bool IsSupported { get => IsSupported; }
+
+        [Intrinsic]
+        public new abstract class VL : Avx512F.VL
+        {
+            internal VL() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+
+        [Intrinsic]
+        public new abstract class X64 : Avx512F.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512DQ.PlatformNotSupported.cs

+// 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.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512DQ hardware instructions via intrinsics</summary>
+    [CLSCompliant(false)]
+    public abstract class Avx512DQ : Avx512F
+    {
+        internal Avx512DQ() { }
+
+        public static new bool IsSupported { [Intrinsic] get { return false; } }
+
+        public new abstract class VL : Avx512F.VL
+        {
+            internal VL() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+
+        public new abstract class X64 : Avx512F.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512DQ.cs

+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512DQ hardware instructions via intrinsics</summary>
+    [Intrinsic]
+    [CLSCompliant(false)]
+    public abstract class Avx512DQ : Avx512F
+    {
+        internal Avx512DQ() { }
+
+        public static new bool IsSupported { get => IsSupported; }
+
+        [Intrinsic]
+        public new abstract class VL : Avx512F.VL
+        {
+            internal VL() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+
+        [Intrinsic]
+        public new abstract class X64 : Avx512F.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512F.PlatformNotSupported.cs

+// 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.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512F hardware instructions via intrinsics</summary>
+    [CLSCompliant(false)]
+    public abstract class Avx512F : Avx2
+    {
+        internal Avx512F() { }
+
+        public static new bool IsSupported { [Intrinsic] get { return false; } }
+
+        public abstract class VL
+        {
+            internal VL() { }
+
+            public static bool IsSupported { [Intrinsic] get { return false; } }
+        }
+
+        public new abstract class X64 : Avx2.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { [Intrinsic] get { return false; } }
+        }
+    }
+}

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/X86/Avx512F.cs

+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>This class provides access to X86 AVX512F hardware instructions via intrinsics</summary>
+    [Intrinsic]
+    [CLSCompliant(false)]
+    public abstract class Avx512F : Avx2
+    {
+        internal Avx512F() { }
+
+        public static new bool IsSupported { get => IsSupported; }
+
+        [Intrinsic]
+        public abstract class VL
+        {
+            internal VL() { }
+
+            public static bool IsSupported { get => IsSupported; }
+        }
+
+        [Intrinsic]
+        public new abstract class X64 : Avx2.X64
+        {
+            internal X64() { }
+
+            public static new bool IsSupported { get => IsSupported; }
+        }
+    }
+}

src/libraries/System.Runtime.Intrinsics/ref/System.Runtime.Intrinsics.cs

@@ -4374,6 +4374,70 @@ public new abstract partial class X64 : System.Runtime.Intrinsics.X86.Avx.X64
         }
     }
     [System.CLSCompliantAttribute(false)]
+    public abstract partial class Avx512BW : System.Runtime.Intrinsics.X86.Avx512F
+    {
+        internal Avx512BW() { }
+        public static new bool IsSupported { get { throw null; } }
+        public new abstract partial class VL : System.Runtime.Intrinsics.X86.Avx512F.VL
+        {
+            internal VL() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+        public new abstract partial class X64 : System.Runtime.Intrinsics.X86.Avx512F.X64
+        {
+            internal X64() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+    }
+    [System.CLSCompliantAttribute(false)]
+    public abstract partial class Avx512CD : System.Runtime.Intrinsics.X86.Avx512F
+    {
+        internal Avx512CD() { }
+        public static new bool IsSupported { get { throw null; } }
+        public new abstract partial class VL : System.Runtime.Intrinsics.X86.Avx512F.VL
+        {
+            internal VL() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+        public new abstract partial class X64 : System.Runtime.Intrinsics.X86.Avx512F.X64
+        {
+            internal X64() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+    }
+    [System.CLSCompliantAttribute(false)]
+    public abstract partial class Avx512DQ : System.Runtime.Intrinsics.X86.Avx512F
+    {
+        internal Avx512DQ() { }
+        public static new bool IsSupported { get { throw null; } }
+        public new abstract partial class VL : System.Runtime.Intrinsics.X86.Avx512F.VL
+        {
+            internal VL() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+        public new abstract partial class X64 : System.Runtime.Intrinsics.X86.Avx512F.X64
+        {
+            internal X64() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+    }
+    [System.CLSCompliantAttribute(false)]
+    public abstract partial class Avx512F : System.Runtime.Intrinsics.X86.Avx2
+    {
+        internal Avx512F() { }
+        public static new bool IsSupported { get { throw null; } }
+        public abstract partial class VL
+        {
+            internal VL() { }
+            public static bool IsSupported { get { throw null; } }
+        }
+        public new abstract partial class X64 : System.Runtime.Intrinsics.X86.Avx2.X64
+        {
+            internal X64() { }
+            public static new bool IsSupported { get { throw null; } }
+        }
+    }
+    [System.CLSCompliantAttribute(false)]
     [System.Runtime.Versioning.RequiresPreviewFeaturesAttribute("AvxVnni is in preview.")]
     public abstract class AvxVnni : System.Runtime.Intrinsics.X86.Avx2
     {
@@ -5210,7 +5274,7 @@ public new abstract partial class X64 : System.Runtime.Intrinsics.X86.Sse3.X64
             public static new bool IsSupported { get { throw null; } }
         }
     }
-    
+
     [System.CLSCompliantAttribute(false)]
     public abstract partial class X86Base
     {