MdePkg: Clean up source files

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibOptDxe / X64 / CompareMem.S

#\r
# ConvertAsm.py: Automatically generated from CompareMem.asm\r
#\r
#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
# This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php.\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
# Module Name:\r
#\r
#   CompareMem.S\r
#\r
# Abstract:\r
#\r
#   CompareMem function\r
#\r
# Notes:\r
#\r
#   The following BaseMemoryLib instances contain the same copy of this file:\r
#\r
#       BaseMemoryLibRepStr\r
#       BaseMemoryLibMmx\r
#       BaseMemoryLibSse2\r
#       BaseMemoryLibOptDxe\r
#       BaseMemoryLibOptPei\r
#\r
#------------------------------------------------------------------------------\r
\r
\r
#------------------------------------------------------------------------------\r
# INTN\r
# EFIAPI\r
# InternalMemCompareMem (\r
#   IN      CONST VOID                *DestinationBuffer,\r
#   IN      CONST VOID                *SourceBuffer,\r
#   IN      UINTN                     Length\r
#   );\r
#------------------------------------------------------------------------------\r
ASM_GLOBAL ASM_PFX(InternalMemCompareMem)\r
ASM_PFX(InternalMemCompareMem):\r
    pushq   %rsi\r
    pushq   %rdi\r
    movq    %rcx, %rsi\r
    movq    %rdx, %rdi\r
    movq    %r8, %rcx\r
    repe    cmpsb\r
    movzbq  -1(%rsi) , %rax\r
    movzbq  -1(%rdi) , %rdx\r
    sub     %dl, %al\r
    popq    %rdi\r
    popq    %rsi\r
    ret\r
\r