Temporarily remove the C implementation of some GCC assembly files in MdePkg. They...

[mirror_edk2.git] / MdePkg / Library / BaseLib / SwapBytes32.c

diff --git a/MdePkg/Library/BaseLib/SwapBytes32.c b/MdePkg/Library/BaseLib/SwapBytes32.c
index 4e683b09d18d397619d67ef02caecc572480cb15..f6c7f892bb834d0ef8098415e1c7db245523d544 100644 (file)
--- a/MdePkg/Library/BaseLib/SwapBytes32.c
+++ b/MdePkg/Library/BaseLib/SwapBytes32.c
@@ -1,7 +1,7 @@
 /** @file\r
   Math worker functions.\r
 \r
-  Copyright (c) 2006, Intel Corporation<BR>\r
+  Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
   All rights reserved. This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -12,6 +12,9 @@
 \r
 **/\r
 \r
+\r
+\r
+\r
 #include "BaseLibInternals.h"\r
 \r
 /**\r
@@ -21,19 +24,22 @@
   from little endian to big endian or vice versa. The byte swapped value is\r
   returned.\r
 \r
-  @param  Operand A 32-bit unsigned value.\r
+  @param  Value A 32-bit unsigned value.\r
 \r
-  @return The byte swaped Operand.\r
+  @return The byte swapped Value.\r
 \r
 **/\r
 UINT32\r
 EFIAPI\r
 SwapBytes32 (\r
-  IN      UINT32                    Operand\r
+  IN      UINT32                    Value\r
   )\r
 {\r
-  return (UINT32)(\r
-           ((UINT32)SwapBytes16 ((UINT16)Operand) << 16) |\r
-           ((UINT32)SwapBytes16 ((UINT16)(Operand >> 16)))\r
-           );\r
+  UINT32  LowerBytes;\r
+  UINT32  HigherBytes;\r
+\r
+  LowerBytes  = (UINT32) SwapBytes16 ((UINT16) Value);\r
+  HigherBytes = (UINT32) SwapBytes16 ((UINT16) (Value >> 16));\r
+\r
+  return (LowerBytes << 16 | HigherBytes);\r
 }\r