MdePkg/Library/BaseLib/Ia32/WriteMm4.c


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/** @file
  AsmWriteMm4 function

  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/


/**
  Writes the current value of 64-bit MMX Register #4 (MM4).

  Writes the current value of MM4. This function is only available on IA32 and
  x64.

  @param  Value The 64-bit value to write to MM4.

**/
VOID
EFIAPI
AsmWriteMm4 (
  IN UINT64   Value
  )
{
  _asm {
    movq    mm4, qword ptr [Value]
    emms
  }
}