audk/MdePkg/Library/BaseLib/RShiftU64.c

36 lines
886 B
C

/** @file
Math worker functions.
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "BaseLibInternals.h"
/**
Shifts a 64-bit integer right between 0 and 63 bits. This high bits are
filled with zeros. The shifted value is returned.
This function shifts the 64-bit value Operand to the right by Count bits. The
high Count bits are set to zero. The shifted value is returned.
If Count is greater than 63, then ASSERT().
@param Operand The 64-bit operand to shift right.
@param Count The number of bits to shift right.
@return Operand >> Count.
**/
UINT64
EFIAPI
RShiftU64 (
IN UINT64 Operand,
IN UINTN Count
)
{
ASSERT (Count < 64);
return InternalMathRShiftU64 (Operand, Count);
}