Update memcpy.c and memset.c to support both /Ox and /Os of MSFT IPF toolchain. Without this change, MSFT /Ox will report "can't define intrinsic" error.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4630 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Foundation/Library/CompilerStub/memcpy.c

@@ -28,6 +28,17 @@ Abstract:
 #include "Tiano.h"
 
 VOID *
+memcpy (
+  OUT VOID        *Dest,
+  IN  const VOID  *Src,
+  IN  UINTN       Count
+  )
+;
+
+#ifdef _MSC_EXTENSIONS
+#pragma intrinsic(memcpy)
+#else
+ VOID *
 memcpy (
   OUT VOID        *Dest,
   IN  const VOID  *Src,
@@ -43,4 +54,5 @@ memcpy (
 
   return Dest;
 }
+#endif
 

EdkCompatibilityPkg/Foundation/Library/CompilerStub/memset.c

@@ -26,7 +26,17 @@ Abstract:
 --*/
 
 #include "Tiano.h"
+VOID *
+memset (
+  OUT VOID    *Dest,
+  IN  UINTN   Char,
+  IN  UINTN   Count
+  )
+;
 
+#ifdef _MSC_EXTENSIONS
+#pragma intrinsic(memset)
+#else
 VOID *
 memset (
   OUT VOID    *Dest,
@@ -42,4 +52,5 @@ memset (
 
   return Dest;
 }
+#endif