MdePkg/Library/BaseLib/Ia32/RRotU64.c File Reference


Functions

UINT64 EFIAPI InternalMathRRotU64 (IN UINT64 Operand, IN UINTN Count)

Detailed Description

64-bit right rotation for Ia32

Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.


Function Documentation

UINT64 EFIAPI InternalMathRRotU64 ( IN UINT64  Operand,
IN UINTN  Count 
)

Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits with the high low bits that were rotated.

This function rotates the 64-bit value Operand to the right by Count bits. The high Count bits are fill with the low Count bits of Operand. The rotated value is returned.

Parameters:
Operand The 64-bit operand to rotate right.
Count The number of bits to rotate right.
Returns:
Operand >>> Count

References eax, ebx, ecx, edx, and mov.


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