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37 lines
554 B
C
37 lines
554 B
C
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/** @file
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AsmReadMm4 function
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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/**
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Reads the current value of 64-bit MMX Register #4 (MM4).
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Reads and returns the current value of MM4. This function is only available
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on IA-32 and x64.
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@return The current value of MM4.
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**/
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UINT64
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EFIAPI
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AsmReadMm4 (
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VOID
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)
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{
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_asm {
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push eax
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push eax
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movq [esp], mm4
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pop eax
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pop edx
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emms
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}
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}
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