#

# ConvertAsm.py: Automatically generated from SetMem.asm

#

#------------------------------------------------------------------------------

#

# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>

# 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:

#

# SetMem.S

#

# Abstract:

#

# SetMem function

#

# Notes:

#

#------------------------------------------------------------------------------

#------------------------------------------------------------------------------

# VOID *

# EFIAPI

# InternalMemSetMem (

# IN VOID *Buffer,

# IN UINTN Count,

# IN UINT8 Value

# )

#------------------------------------------------------------------------------

ASM_GLOBAL ASM_PFX(InternalMemSetMem)

ASM_PFX(InternalMemSetMem):

pushq %rdi

movq %rcx, %rdi # rdi <- Buffer

movb %r8b, %al # al <- Value

movq %rdi, %r9 # r9 <- Buffer as return value

xorq %rcx, %rcx

subq %rdi, %rcx

andq $15, %rcx # rcx + rdi aligns on 16-byte boundary

jz L0

cmpq %rdx, %rcx

cmova %rdx, %rcx

subq %rcx, %rdx

rep stosb

L0:

movq %rdx, %rcx

andq $15, %rdx

shrq $4, %rcx

jz L_SetBytes

movb %al, %ah # ax <- Value repeats twice

movdqa %xmm0, 0x10(%rsp) # save xmm0

movd %eax, %xmm0 # xmm0[0..16] <- Value repeats twice

pshuflw $0, %xmm0, %xmm0 # xmm0[0..63] <- Value repeats 8 times

movlhps %xmm0, %xmm0 # xmm0 <- Value repeats 16 times

L1:

movntdq %xmm0, (%rdi) # rdi should be 16-byte aligned

add $16, %rdi

loop L1

mfence

movdqa 0x10(%rsp), %xmm0 # restore xmm0

L_SetBytes:

movl %edx, %ecx # high 32 bits of rcx are always zero

rep stosb

movq %r9, %rax # rax <- Return value

popq %rdi

ret