From 2ee36c26b5066187ae1bc7748f6297aca05520f3 Mon Sep 17 00:00:00 2001
From: Jordan Justen <jordan.l.justen@intel.com>
Date: Mon, 30 May 2016 18:52:12 -0700
Subject: MdePkg BaseMemoryLibSse2: Convert Ia32/CompareMem.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/CompareMem.asm to Ia32/CompareMem.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
 .../Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm | 57 ++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm

(limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32')

diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm
new file mode 100644
index 0000000000..9dca7dd113
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm
@@ -0,0 +1,57 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2008, 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:
+;
+;   CompareMem.Asm
+;
+; Abstract:
+;
+;   CompareMem function
+;
+; Notes:
+;
+;   The following BaseMemoryLib instances contain the same copy of this file:
+;
+;       BaseMemoryLibRepStr
+;       BaseMemoryLibMmx
+;       BaseMemoryLibSse2
+;       BaseMemoryLibOptDxe
+;       BaseMemoryLibOptPei
+;
+;------------------------------------------------------------------------------
+
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; INTN
+; EFIAPI
+; InternalMemCompareMem (
+;   IN      CONST VOID                *DestinationBuffer,
+;   IN      CONST VOID                *SourceBuffer,
+;   IN      UINTN                     Length
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(InternalMemCompareMem)
+ASM_PFX(InternalMemCompareMem):
+    push    esi
+    push    edi
+    mov     esi, [esp + 12]
+    mov     edi, [esp + 16]
+    mov     ecx, [esp + 20]
+    repe    cmpsb
+    movzx   eax, byte [esi - 1]
+    movzx   edx, byte [edi - 1]
+    sub     eax, edx
+    pop     edi
+    pop     esi
+    ret
+
-- 
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