jljusten bdfb126146 MdePkg/Library/BaseMemoryLibRepStr/x64/*.S:
Added assembly files for gnu toolchain.
  Uses '.intel_syntax' which requires binutils >= 2.10.
MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf:
  Include .S files for BaseMemoryLibRepStr module.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4236 6f19259b-4bc3-4df7-8a09-765794883524
2007-10-30 00:06:27 +00:00

59 lines
1.6 KiB
ArmAsm

#
# ConvertAsm.py: Automatically generated from CompareMem.asm
#
#------------------------------------------------------------------------------
#
# 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:
#
# CompareMem.S
#
# Abstract:
#
# CompareMem function
#
# Notes:
#
# The following BaseMemoryLib instances share the same version of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# INTN
# EFIAPI
# InternalMemCompareMem (
# IN CONST VOID *DestinationBuffer,
# IN CONST VOID *SourceBuffer,
# IN UINTN Length
# );
#------------------------------------------------------------------------------
.intel_syntax
.globl _InternalMemCompareMem
_InternalMemCompareMem:
push rsi
push rdi
mov rsi, rcx
mov rdi, rdx
mov rcx, r8
repe cmpsb
movzx rax, byte ptr [rsi - 1]
movzx rdx, byte ptr [rdi - 1]
sub rax, rdx
pop rdi
pop rsi
ret