MdePkg/BaseMemoryLibRepStr: Support IA32 processors without CMOVx

Remove use of CMOVx instruction from IA32 assembly files in BaseMemoryLibRepStr.  
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@17214 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S

@@ -1,6 +1,6 @@
 #------------------------------------------------------------------------------
 #
-# Copyright (c) 2006 - 2008, 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
@@ -47,6 +47,8 @@ ASM_PFX(InternalMemScanMem32):
     movl    16(%esp), %eax
     repne   scasl
     leal    -4(%edi), %eax
-    cmovnz  %ecx, %eax
+    jz      L0
+    movl    %ecx, %eax
+L0:    
     pop     %edi
     ret