1.BaseMemoryLibMmx: Add X64 Cpu Arch support.

2.BasePrintLib:	Fix some minor bugs


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@651 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm

@@ -0,0 +1,48 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+;   SetMem16.asm
+;
+; Abstract:
+;
+;   SetMem16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .code
+
+InternalMemSetMem16 PROC    USES    rdi
+    mov     rax, r8
+    DB      48h, 0fh, 6eh, 0c0h        ;  movq    mm0, rax
+    mov     r8, rcx
+    mov     rdi, r8
+    mov     rcx, rdx
+    and     rdx, 3
+    shr     rcx, 2
+    jz      @SetWords
+    DB      0fh, 70h, 0C0h, 00h        ;  pshufw  mm0, mm0, 0h
+@@: 
+    DB      48h, 0fh, 0e7h, 07h        ;  movntq  [rdi], mm0
+    add     rdi, 8
+    loop    @B
+    mfence
+@SetWords:
+    mov     rcx, rdx
+    rep     stosw
+    mov     rax, r8
+    ret
+InternalMemSetMem16 ENDP
+
+    END