Optimize the size of the Base Library for the MSFT 32-bit tool chains by taking advantage of inline assembly.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1567 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.c

@@ -0,0 +1,41 @@
+/** @file
+  Set error flag for all division functions
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  All rights reserved. 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
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#if _MSC_EXTENSIONS
+
+UINT64
+EFIAPI
+InternalMathDivRemU64x32 (
+  IN      UINT64                    Dividend,
+  IN      UINT32                    Divisor,
+  OUT     UINT32                    *Remainder
+  )
+{
+  _asm {
+    mov     ecx, Divisor
+    mov     eax, dword ptr [Dividend + 4]
+    xor     edx, edx
+    div     ecx
+    push    eax
+    mov     eax, dword ptr [Dividend + 0]
+    div     ecx
+    mov     ecx, Remainder
+    jecxz   RemainderNull                      // abandon remainder if Remainder == NULL
+    mov     [ecx], edx
+RemainderNull:
+    pop     edx
+  }
+}
+
+#endif