Ensure XML doc comments exist for the nested classes and IsSupported properties for intrinsics

Author: tannergooding

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/AdvSimd.PlatformNotSupported.cs

@@ -150,6 +150,7 @@ internal AdvSimd() { }
         //     public static Vector64<float> MultiplySubtractScalar(Vector64<float> minuend, Vector64<float> left, Vector64<float> right) { throw new PlatformNotSupportedException(); }
         // }
 
+        /// <summary>This class provides access to the ARM AdvSIMD hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         public new abstract class Arm64 : ArmBase.Arm64
         {
             internal Arm64() { }

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/AdvSimd.cs

@@ -15,6 +15,7 @@ public abstract class AdvSimd : ArmBase
     {
         internal AdvSimd() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { get => IsSupported; }
 
         // [Intrinsic]
@@ -147,11 +148,13 @@ internal AdvSimd() { }
         //     public static Vector64<float> MultiplySubtractScalar(Vector64<float> minuend, Vector64<float> left, Vector64<float> right) => MultiplySubtractScalar(minuend, left, right);
         // }
 
+        /// <summary>This class provides access to the ARM AdvSIMD hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         [Intrinsic]
         public new abstract class Arm64 : ArmBase.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { get => IsSupported; }
 
             /// <summary>

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Aes.PlatformNotSupported.cs

@@ -13,12 +13,15 @@ public abstract class Aes : ArmBase
     {
         internal Aes() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { [Intrinsic] get => false; }
 
+        /// <summary>This class provides access to the ARM AES hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         public new abstract class Arm64 : ArmBase.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { [Intrinsic] get { return false; } }
         }
 

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Aes.cs

@@ -14,13 +14,16 @@ public abstract class Aes : ArmBase
     {
         internal Aes() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { get => IsSupported; }
 
+        /// <summary>This class provides access to the ARM AES hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         [Intrinsic]
         public new abstract class Arm64 : ArmBase.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { get => IsSupported; }
         }
 

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/ArmBase.PlatformNotSupported.cs

@@ -18,12 +18,15 @@ abstract class ArmBase
     {
         internal ArmBase() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static bool IsSupported { [Intrinsic] get => false; }
 
+        /// <summary>This class provides access to the ARM base hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         public abstract class Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static bool IsSupported { [Intrinsic] get => false; }
 
             /// <summary>

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/ArmBase.cs

@@ -14,13 +14,16 @@ public abstract class ArmBase
     {
         internal ArmBase() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static bool IsSupported { get => IsSupported; }
 
+        /// <summary>This class provides access to the ARM base hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         [Intrinsic]
         public abstract class Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static bool IsSupported { get => IsSupported; }
 
             /// <summary>

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Crc32.PlatformNotSupported.cs

@@ -13,12 +13,15 @@ public abstract class Crc32 : ArmBase
     {
         internal Crc32() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { [Intrinsic] get { return false; } }
 
+        /// <summary>This class provides access to the ARM Crc32 hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         public new abstract class Arm64 : ArmBase.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { [Intrinsic] get { return false; } }
 
             /// <summary>

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Crc32.cs

@@ -14,13 +14,16 @@ public abstract class Crc32 : ArmBase
     {
         internal Crc32() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { get => IsSupported; }
 
+        /// <summary>This class provides access to the ARM Crc32 hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         [Intrinsic]
         public new abstract class Arm64 : ArmBase.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { get => IsSupported; }
 
             /// <summary>

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Dp.PlatformNotSupported.cs

@@ -14,12 +14,15 @@ public abstract class Dp : AdvSimd
     {
         internal Dp() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { [Intrinsic] get => false; }
 
+        /// <summary>This class provides access to the ARMv8.2-DotProd hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         public new abstract class Arm64 : AdvSimd.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { [Intrinsic] get { return false; } }
         }
 

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Dp.cs

@@ -15,13 +15,16 @@ public abstract class Dp : AdvSimd
     {
         internal Dp() { }
 
+        /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
         public static new bool IsSupported { get => IsSupported; }
 
+        /// <summary>This class provides access to the ARMv8.2-DotProd hardware instructions, that are only available to 64-bit processes, via intrinsics.</summary>
         [Intrinsic]
         public new abstract class Arm64 : AdvSimd.Arm64
         {
             internal Arm64() { }
 
+            /// <summary>Gets <c>true</c> if the APIs in this class are supported; otherwise, <c>false</c> which indicates they will throw <see cref="PlatformNotSupportedException" />.</summary>
             public static new bool IsSupported { get => IsSupported; }
         }