X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLibMmx%2FIa32%2FSetMem32.asm;fp=MdePkg%2FLibrary%2FBaseMemoryLibMmx%2FIa32%2FSetMem32.asm;h=7f24fcd74425c0b5b53b907ff596e96d053cb4d6;hp=0000000000000000000000000000000000000000;hb=6e3b8c471637564fd395e40afd467527df7ec8b1;hpb=754c0cfed41c5d23f51dadd63d7c275c82fb078d

diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm
new file mode 100644
index 0000000000..7f24fcd744
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm
@@ -0,0 +1,59 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;   SetMem32.asm
+;
+; Abstract:
+;
+;   SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+;  VOID *
+;  _mem_SetMem32 (
+;    IN VOID   *Buffer,
+;    IN UINTN  Count,
+;    IN UINT32 Value
+;    )
+;------------------------------------------------------------------------------
+InternalMemSetMem32 PROC    USES    edi
+    mov     edx, [esp + 12]
+    mov     edi, [esp + 8]
+    mov     ecx, edx
+    shr     ecx, 1
+    movd    mm0, [esp + 16]
+    mov     eax, edi
+    jz      @SetDwords
+    pshufw  mm0, mm0, 44h
+@@:
+    movntq  [edi], mm0
+    add     edi, 8
+    loop    @B
+    mfence
+@SetDwords:
+    test    dl, 1
+    jz      @F
+    movd    [edi], mm0
+@@:
+    ret
+InternalMemSetMem32 ENDP
+
+    END