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/** @file
Calculate the product of a 64-bit integer and a 32-bit integer
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
/**
Multiples a 64-bit unsigned integer by a 32-bit unsigned integer
and generates a 64-bit unsigned result.
This function multiples the 64-bit unsigned value Multiplicand by the 32-bit
unsigned value Multiplier and generates a 64-bit unsigned result. This 64-
bit unsigned result is returned.
@param Multiplicand A 64-bit unsigned value.
@param Multiplier A 32-bit unsigned value.
@return Multiplicand * Multiplier
**/
UINT64
EFIAPI
InternalMathMultU64x32 (
IN UINT64 Multiplicand,
IN UINT32 Multiplier
)
{
_asm {
mov ecx, Multiplier
mov eax, ecx
imul ecx, dword ptr [Multiplicand + 4] // overflow not detectable
mul dword ptr [Multiplicand + 0]
add edx, ecx
}
}
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