MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.S File Reference


Detailed Description

#
# ConvertAsm.py: Automatically generated from SetMem16.asm
#
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2009, Intel Corporation. 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.
#
# Module Name:
#
# SetMem16.S
#
# Abstract:
#
# SetMem16 function
#
# Notes:
#
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem16 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT16 Value
# )
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
ASM_PFX(InternalMemSetMem16):
pushq rdi
movq r8, rax
movd rax, mm0
movq rcx, r8
movq r8, rdi
movq rdx, rcx
andl $3, edx
shrq $2, rcx
jz L_SetWords
.byte 0x0f, 0x70, 0x0C0, 0x00
L0:
movntq mm0, (rdi)
addq $8, rdi
loop L0
mfence
L_SetWords:
movl edx, ecx
rep stosw
movq r8, rax
popq rdi
ret



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