1. Updated function headers in all assembly files.

2. Split x86LowLevel.c into a bunch of C files to make images linked with BaseLib smaller.
3. Fixed a few minor bugs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1066 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/Ia32/ARShiftU64.S

@@ -19,21 +19,23 @@
 #
 #------------------------------------------------------------------------------
 
-
-
-     
-
 .global _InternalMathARShiftU64
-_InternalMathARShiftU64: 
-    movb    12(%esp),%cl
-    movl    8(%esp),%eax
+
+#------------------------------------------------------------------------------
+# UINT64
+# EFIAPI
+# InternalMathARShiftU64 (
+#   IN      UINT64                    Operand,
+#   IN      UINTN                     Count
+#   );
+#------------------------------------------------------------------------------
+_InternalMathARShiftU64:
+    movb    12(%esp), %cl
+    movl    8(%esp), %eax
     cltd
-    testb   $32,%cl
+    testb   $32, %cl
     cmovz   %eax, %edx
     cmovz   4(%esp), %eax
-    shrdl   %cl,%edx,%eax
-    sar     %cl,%edx
+    shrdl   %cl, %edx, %eax
+    sar     %cl, %edx
     ret
-
-
-