Correcting naming in Sve2.PlatformNotSupported

Change-Id: I29eb781d904508499b17a34aee30eb614e139bd4

Author: jacob-crawley

src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve2.PlatformNotSupported.cs

@@ -1016,7 +1016,7 @@ internal Arm64() { }
         ///   UHADD Ztied1.B, Pg/M, Ztied1.B, Zop2.B
         ///   UHADD Ztied2.B, Pg/M, Ztied2.B, Zop1.B
         /// </summary>
-        public static Vector<byte> FusedAddHalvingAdd(Vector<byte> left, Vector<byte> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<byte> FusedAddHalving(Vector<byte> left, Vector<byte> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svint16_t svhadd[_s16]_m(svbool_t pg, svint16_t op1, svint16_t op2)
@@ -1026,7 +1026,7 @@ internal Arm64() { }
         ///   SHADD Ztied1.H, Pg/M, Ztied1.H, Zop2.H
         ///   SHADD Ztied2.H, Pg/M, Ztied2.H, Zop1.H
         /// </summary>
-        public static Vector<short> FusedAddHalvingAdd(Vector<short> left, Vector<short> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<short> FusedAddHalving(Vector<short> left, Vector<short> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svint32_t svhadd[_s32]_m(svbool_t pg, svint32_t op1, svint32_t op2)
@@ -1036,7 +1036,7 @@ internal Arm64() { }
         ///   SHADD Ztied1.S, Pg/M, Ztied1.S, Zop2.S
         ///   SHADD Ztied2.S, Pg/M, Ztied2.S, Zop1.S
         /// </summary>
-        public static Vector<int> FusedAddHalvingAdd(Vector<int> left, Vector<int> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<int> FusedAddHalving(Vector<int> left, Vector<int> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svint64_t svhadd[_s64]_m(svbool_t pg, svint64_t op1, svint64_t op2)
@@ -1046,7 +1046,7 @@ internal Arm64() { }
         ///   SHADD Ztied1.D, Pg/M, Ztied1.D, Zop2.D
         ///   SHADD Ztied2.D, Pg/M, Ztied2.D, Zop1.D
         /// </summary>
-        public static Vector<long> FusedAddHalvingAdd(Vector<long> left, Vector<long> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<long> FusedAddHalving(Vector<long> left, Vector<long> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svint8_t svhadd[_s8]_m(svbool_t pg, svint8_t op1, svint8_t op2)
@@ -1056,7 +1056,7 @@ internal Arm64() { }
         ///   SHADD Ztied1.B, Pg/M, Ztied1.B, Zop2.B
         ///   SHADD Ztied2.B, Pg/M, Ztied2.B, Zop1.B
         /// </summary>
-        public static Vector<sbyte> FusedAddHalvingAdd(Vector<sbyte> left, Vector<sbyte> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<sbyte> FusedAddHalving(Vector<sbyte> left, Vector<sbyte> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svuint16_t svhadd[_u16]_m(svbool_t pg, svuint16_t op1, svuint16_t op2)
@@ -1066,7 +1066,7 @@ internal Arm64() { }
         ///   UHADD Ztied1.H, Pg/M, Ztied1.H, Zop2.H
         ///   UHADD Ztied2.H, Pg/M, Ztied2.H, Zop1.H
         /// </summary>
-        public static Vector<ushort> FusedAddHalvingAdd(Vector<ushort> left, Vector<ushort> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<ushort> FusedAddHalving(Vector<ushort> left, Vector<ushort> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svuint32_t svhadd[_u32]_m(svbool_t pg, svuint32_t op1, svuint32_t op2)
@@ -1076,7 +1076,7 @@ internal Arm64() { }
         ///   UHADD Ztied1.S, Pg/M, Ztied1.S, Zop2.S
         ///   UHADD Ztied2.S, Pg/M, Ztied2.S, Zop1.S
         /// </summary>
-        public static Vector<uint> FusedAddHalvingAdd(Vector<uint> left, Vector<uint> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<uint> FusedAddHalving(Vector<uint> left, Vector<uint> right) { throw new PlatformNotSupportedException(); }
 
         /// <summary>
         /// svuint64_t svhadd[_u64]_m(svbool_t pg, svuint64_t op1, svuint64_t op2)
@@ -1086,7 +1086,7 @@ internal Arm64() { }
         ///   UHADD Ztied1.D, Pg/M, Ztied1.D, Zop2.D
         ///   UHADD Ztied2.D, Pg/M, Ztied2.D, Zop1.D
         /// </summary>
-        public static Vector<ulong> FusedAddHalvingAdd(Vector<ulong> left, Vector<ulong> right) { throw new PlatformNotSupportedException(); }
+        public static Vector<ulong> FusedAddHalving(Vector<ulong> left, Vector<ulong> right) { throw new PlatformNotSupportedException(); }
 
         // Halving subtract