diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S | 123 |
1 files changed, 59 insertions, 64 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S index 37dc3bbf67..3ba69650ab 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S @@ -1,64 +1,59 @@ -//
-// Include common header file for this module.
-//
-#include "CommonHeader.h"
-
-#------------------------------------------------------------------------------
-#
-# 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:
-#
-# ScanMem64.Asm
-#
-# Abstract:
-#
-# ScanMem64 function
-#
-# Notes:
-#
-# The following BaseMemoryLib instances share the same version of this file:
-#
-# BaseMemoryLibRepStr
-# BaseMemoryLibMmx
-# BaseMemoryLibSse2
-#
-#------------------------------------------------------------------------------
-
-.globl _InternalMemScanMem64
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-# IN CONST VOID *Buffer,
-# IN UINTN Length,
-# IN UINT64 Value
-# );
-#------------------------------------------------------------------------------
-_InternalMemScanMem64:
- push %edi
- movl 12(%esp), %ecx
- movl 16(%esp), %eax
- movl 20(%esp), %edx
- movl 8(%esp), %edi
-L0:
- cmpl (%edi), %eax
- leal 8(%edi), %edi
- loopne L0
- jne L1
- cmpl -4(%edi), %edx
- jecxz L1
- jne L0
-L1:
- leal -8(%edi), %eax
- cmovne %ecx, %eax
- pop %edi
- ret
+#------------------------------------------------------------------------------ +# +# 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: +# +# ScanMem64.Asm +# +# Abstract: +# +# ScanMem64 function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +.globl _InternalMemScanMem64 + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem64 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT64 Value +# ); +#------------------------------------------------------------------------------ +_InternalMemScanMem64: + push %edi + movl 12(%esp), %ecx + movl 16(%esp), %eax + movl 20(%esp), %edx + movl 8(%esp), %edi +L0: + cmpl (%edi), %eax + leal 8(%edi), %edi + loopne L0 + jne L1 + cmpl -4(%edi), %edx + jecxz L1 + jne L0 +L1: + leal -8(%edi), %eax + cmovne %ecx, %eax + pop %edi + ret |