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/** @file
AsmReadMm4 function
Copyright (c) 2006 - 2008, Intel Corporation<BR>
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.
**/
/**
Reads the current value of 64-bit MMX Register #4 (MM4).
Reads and returns the current value of MM4. This function is only available
on IA-32 and x64.
@return The current value of MM4.
**/
UINT64
EFIAPI
AsmReadMm4 (
VOID
)
{
_asm {
push eax
push eax
movq [esp], mm4
pop eax
pop edx
emms
}
}
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