4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
5 SPDX-License-Identifier: BSD-2-Clause-Patent
13 Reads the current value of 64-bit MMX Register #3 (MM3).
15 Reads and returns the current value of MM3. This function is only available
18 @return The current value of MM3.