Mirroring API change : #98055 (comment)

Author: DeepakRajendrakumaran

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/ISimdVector_2.cs

@@ -553,11 +553,18 @@ static virtual bool TryCopyTo(TSelf vector, Span<T> destination)
         // New Surface Area
         //
 
-        /// <summary>Checks if the MSB of any of the vector lanes is non zero.</summary>
-        /// <param name="vector">The vector to check MSB.</param>
-        /// <returns><c>true</c> if <paramref name="vector" /> has any lanes with a non-zero MSB otherwise, <c>false</c> if MSB is zero for all lanes />.</returns>
+        /// <summary>Checks if any of the vector lanes are equivalent to value.</summary>
+        /// <param name="vector">The Vector.</param>
+        /// <param name="value">The Value to check.</param>
+        /// <returns><c>true</c> if <paramref name="vector" /> has any lanes equivalent to <paramref name="value" /> otherwise, <c>false</c> if none of the lanes are equivalent to <paramref name="value" /> />.</returns>
         /// <exception cref="NotSupportedException">The type of the elements in the vector (<typeparamref name="T" />) is not supported.</exception>
-        static abstract bool AnyMatches(TSelf vector);
+        static abstract bool Any(TSelf vector, T value);
+
+        /// <summary>Checks if any of the vector lanes have All Bits set.</summary>
+        /// <param name="vector">The Vector to check.</param>
+        /// <returns><c>true</c> if <paramref name="vector" /> has any lanes with All Bits set otherwise, <c>false</c> if none of the lanes have All Bits set />.</returns>
+        /// <exception cref="NotSupportedException">The type of the elements in the vector (<typeparamref name="T" />) is not supported.</exception>
+        static abstract bool AnyWhereAllBitsSet(TSelf vector);
 
         static abstract int IndexOfLastMatch(TSelf vector);
     }

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Vector128_1.cs

@@ -692,9 +692,14 @@ private string ToString([StringSyntax(StringSyntaxAttribute.NumericFormat)] stri
         // New Surface Area
         //
 
-        static bool ISimdVector<Vector128<T>, T>.AnyMatches(Vector128<T> vector)
+        static bool ISimdVector<Vector128<T>, T>.AnyWhereAllBitsSet(Vector128<T> vector)
         {
-            return (vector != Vector128<T>.Zero);
+            return (Vector128.EqualsAny(vector, Vector128<T>.AllBitsSet));
+        }
+
+        static bool ISimdVector<Vector128<T>, T>.Any(Vector128<T> vector, T value)
+        {
+            return (Vector128.EqualsAny(vector, Vector128.Create((T)value)));
         }
 
         static int ISimdVector<Vector128<T>, T>.IndexOfLastMatch(Vector128<T> vector)

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Vector256_1.cs

@@ -682,9 +682,14 @@ private string ToString([StringSyntax(StringSyntaxAttribute.NumericFormat)] stri
         // New Surface Area
         //
 
-        static bool ISimdVector<Vector256<T>, T>.AnyMatches(Vector256<T> vector)
+        static bool ISimdVector<Vector256<T>, T>.AnyWhereAllBitsSet(Vector256<T> vector)
         {
-            return (vector != Vector256<T>.Zero);
+            return (Vector256.EqualsAny(vector, Vector256<T>.AllBitsSet));
+        }
+
+        static bool ISimdVector<Vector256<T>, T>.Any(Vector256<T> vector, T value)
+        {
+            return (Vector256.EqualsAny(vector, Vector256.Create((T)value)));
         }
 
         static int ISimdVector<Vector256<T>, T>.IndexOfLastMatch(Vector256<T> vector)

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Vector512_1.cs

@@ -682,9 +682,14 @@ private string ToString([StringSyntax(StringSyntaxAttribute.NumericFormat)] stri
         // New Surface Area
         //
 
-        static bool ISimdVector<Vector512<T>, T>.AnyMatches(Vector512<T> vector)
+        static bool ISimdVector<Vector512<T>, T>.AnyWhereAllBitsSet(Vector512<T> vector)
         {
-            return (vector != Vector512<T>.Zero);
+            return (Vector512.EqualsAny(vector, Vector512<T>.AllBitsSet));
+        }
+
+        static bool ISimdVector<Vector512<T>, T>.Any(Vector512<T> vector, T value)
+        {
+            return (Vector512.EqualsAny(vector, Vector512.Create((T)value)));
         }
 
         static int ISimdVector<Vector512<T>, T>.IndexOfLastMatch(Vector512<T> vector)

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Vector64_1.cs

@@ -757,9 +757,14 @@ private string ToString([StringSyntax(StringSyntaxAttribute.NumericFormat)] stri
         // New Surface Area
         //
 
-        static bool ISimdVector<Vector64<T>, T>.AnyMatches(Vector64<T> vector)
+        static bool ISimdVector<Vector64<T>, T>.AnyWhereAllBitsSet(Vector64<T> vector)
         {
-            return (vector != Vector64<T>.Zero);
+            return (Vector64.EqualsAny(vector, Vector64<T>.AllBitsSet));
+        }
+
+        static bool ISimdVector<Vector64<T>, T>.Any(Vector64<T> vector, T value)
+        {
+            return (Vector64.EqualsAny(vector, Vector64.Create((T)value)));
         }
 
         static int ISimdVector<Vector64<T>, T>.IndexOfLastMatch(Vector64<T> vector)