MdePkg/BaseLib: Support IA32 processors without CMOVx

Remove use of CMOVx instruction from IA32 assembly files in BaseLib.  
This matches compiler flags for all supported C compilers.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17213 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/Ia32/RShiftU64.asm

@@ -1,6 +1,6 @@
 ;------------------------------------------------------------------------------
 ;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; 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
@@ -36,8 +36,10 @@ InternalMathRShiftU64   PROC
     xor     edx, edx
     mov     eax, [esp + 8]
     test    cl, 32                      ; Count >= 32?
-    cmovz   edx, eax
-    cmovz   eax, [esp + 4]
+    jnz     @F
+    mov     edx, eax
+    mov     eax, [esp + 4]
+@@:    
     shrd    eax, edx, cl
     shr     edx, cl
     ret