X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseLib%2FIa32%2FLShiftU64.c;h=9fb2532acf784cce56f1ec8f177a3c134a428e79;hb=88a75d260cadc67cc0edf6ad5f57241ed89a7d4b;hp=f684e1f29a03f2955456a00ffd59c45513a9aec1;hpb=42eedea958591087603bbacd1c2227d2494026af;p=mirror_edk2.git

diff --git a/MdePkg/Library/BaseLib/Ia32/LShiftU64.c b/MdePkg/Library/BaseLib/Ia32/LShiftU64.c
index f684e1f29a..9fb2532acf 100644
--- a/MdePkg/Library/BaseLib/Ia32/LShiftU64.c
+++ b/MdePkg/Library/BaseLib/Ia32/LShiftU64.c
@@ -1,20 +1,18 @@
 /** @file
   64-bit left shift function for IA-32.
 
-  Copyright (c) 2006 - 2007, Intel Corporation<BR>
-  All rights reserved. This program and the accompanying materials
+  Copyright (c) 2006 - 2015, 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
+  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.
 
 **/
 
-//
-// Include common header file for this module.
-//
+
 
 
 /**
@@ -42,8 +40,10 @@ InternalMathLShiftU64 (
     xor     eax, eax
     mov     edx, dword ptr [Operand + 0]
     test    cl, 32                      // Count >= 32?
-    cmovz   eax, edx
-    cmovz   edx, dword ptr [Operand + 4]
+    jnz     L0
+    mov     eax, edx
+    mov     edx, dword ptr [Operand + 4]
+L0:
     shld    edx, eax, cl
     shl     eax, cl
   }