# # ConvertAsm.py: Automatically generated from CompareMem.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: # # CompareMem.S # # Abstract: # # CompareMem function # # Notes: # # The following BaseMemoryLib instances contain the same copy of this file: # # BaseMemoryLibRepStr # BaseMemoryLibMmx # BaseMemoryLibSse2 # BaseMemoryLibOptDxe # BaseMemoryLibOptPei # #------------------------------------------------------------------------------ #------------------------------------------------------------------------------ # INTN # EFIAPI # InternalMemCompareMem ( # IN CONST VOID *DestinationBuffer, # IN CONST VOID *SourceBuffer, # IN UINTN Length # ); #------------------------------------------------------------------------------ ASM_GLOBAL ASM_PFX(InternalMemCompareMem) ASM_PFX(InternalMemCompareMem): pushq %rsi pushq %rdi movq %rcx, %rsi movq %rdx, %rdi movq %r8, %rcx repe cmpsb movzbq -1(%rsi) , %rax movzbq -1(%rdi) , %rdx subq %rdx, %rax popq %rdi popq %rsi ret