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>

diff --git a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
index 038d9b654f6c3591aac9c59f635b3383fc7ee92b..d5e256e2ff746d1830b216d66acb9b6c8a6d26a9 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
+++ b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
@@ -53,6 +53,7 @@
   Ia32/ScanMem16.S\r
   Ia32/ScanMem8.nasm\r
   Ia32/ScanMem8.S\r
+  Ia32/CompareMem.nasm\r
   Ia32/CompareMem.S\r
   Ia32/ZeroMem.S\r
   Ia32/SetMem64.S\r
@@ -68,6 +69,7 @@
   Ia32/ScanMem16.asm\r
   Ia32/ScanMem8.nasm\r
   Ia32/ScanMem8.asm\r
+  Ia32/CompareMem.nasm\r
   Ia32/CompareMem.asm\r
   Ia32/ZeroMem.asm\r
   Ia32/SetMem64.asm\r

diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm
new file mode 100644 (file)
index 0000000..9dca7dd
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.nasm
@@ -0,0 +1,57 @@
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006 - 2008, 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.Asm\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
+    SECTION .text\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
+global ASM_PFX(InternalMemCompareMem)\r
+ASM_PFX(InternalMemCompareMem):\r
+    push    esi\r
+    push    edi\r
+    mov     esi, [esp + 12]\r
+    mov     edi, [esp + 16]\r
+    mov     ecx, [esp + 20]\r
+    repe    cmpsb\r
+    movzx   eax, byte [esi - 1]\r
+    movzx   edx, byte [edi - 1]\r
+    sub     eax, edx\r
+    pop     edi\r
+    pop     esi\r
+    ret\r
+\r