MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S File Reference


Detailed Description

#------------------------------------------------------------------------------
#
# Copyright (c) 2006, 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:
#
# SetMem32.asm
#
# Abstract:
#
# SetMem32 function
#
# Notes:
#
#------------------------------------------------------------------------------

ASM_GLOBAL ASM_PFX(InternalMemSetMem32)

#------------------------------------------------------------------------------
# VOID *
# InternalMemSetMem32 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT32 Value
# )
#------------------------------------------------------------------------------
ASM_PFX(InternalMemSetMem32):
movl 4(esp), eax
movl 8(esp), ecx
movd 12(esp), mm0
shrl ecx
movl eax, edx
jz L1
movq mm0, mm1
psllq $32, mm1
por mm1, mm0
L0:
movq mm0, (edx)
lea 8(edx), edx
loop L0
L1:
jnc L2
movd mm0, (edx)
L2:
ret


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