ReadMm3.c revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
AsmReadMm3 function
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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 #3 (MM3).
Reads and returns the current value of MM3. This function is only available
on IA-32 and x64.
@return The current value of MM3.
**/
UINT64
EFIAPI
AsmReadMm3 (
VOID
)
{
_asm {
push eax
push eax
movq [esp], mm3
pop eax
pop edx
emms
}
}