Added S64/U64 support for the input in CLCast

* Partially resolves MLCE-1089

Change-Id: Ie3d2fc2f755ae99cdb17b57cc90bb3f99a1843e0
Signed-off-by: Pablo Marquez Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9909
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/docs/user_guide/operator_list.dox b/docs/user_guide/operator_list.dox
index 8d34a76..66b8988 100644
--- a/docs/user_guide/operator_list.dox
+++ b/docs/user_guide/operator_list.dox
@@ -437,12 +437,15 @@
     <table>
     <tr><th>src<th>dst
     <tr><td>U8<td>S8, U16, S16, U32, S32, F16, F32
+    <tr><td>S8<td>U8, U16, S16, U32, S32, F16, F32
     <tr><td>U16<td>U8, S8, S16, U32, S32, F16, F32
     <tr><td>S16<td>U8, S8, U16, U32, S32, F16, F32
     <tr><td>U32<td>U8, S8, U16, S16, S32, F16, F32
     <tr><td>S32<td>U8, S8, U16, S16, U32, F16, F32
-    <tr><td>F16<td>U8, S8, U16, S16, U32, F32
-    <tr><td>F32<td>U8, S8, U16, S16, U32, F16
+    <tr><td>U64<td>U8, S8, U16, S16, U32, S32, F16, F32
+    <tr><td>S64<td>U8, S8, U16, S16, U32, S32, F16, F32
+    <tr><td>F16<td>U8, S8, U16, S16, S32, U32, F32
+    <tr><td>F32<td>U8, S8, U16, S16, S32, U32, F16
     </table>
 <tr>
   <td rowspan="2">ChannelShuffleLayer