//\r
\r
\r
+/**\r
+ Shifts a 64-bit integer right between 0 and 63 bits. This high bits\r
+ are filled with zeros. The shifted value is returned.\r
+\r
+ This function shifts the 64-bit value Operand to the right by Count bits. The\r
+ high Count bits are set to zero. The shifted value is returned.\r
+\r
+ @param Operand The 64-bit operand to shift right.\r
+ @param Count The number of bits to shift right.\r
+\r
+ @return Operand >> Count\r
+\r
+**/\r
UINT64\r
EFIAPI\r
InternalMathRShiftU64 (\r