[sir_richard] 48425: [RTL]: Rtl ByteSwap functions should use intrinsics, isntead of assembly code. This should be merged into trunk!

Author: sir_richard
Date: Tue Aug  3 01:56:35 2010
New Revision: 48425

URL: http://svn.reactos.org/svn/reactos?rev=48425&view=rev
Log:
[RTL]: Rtl ByteSwap functions should use intrinsics, isntead of assembly code. This should
be merged into trunk!

Removed:
    branches/cmake-bringup/lib/rtl/i386/rtlswap.S
Modified:
    branches/cmake-bringup/lib/rtl/largeint.c

Removed: branches/cmake-bringup/lib/rtl/i386/rtlswap.S
URL:
http://svn.reactos.org/svn/reactos/branches/cmake-bringup/lib/rtl/i386/rtls…
==============================================================================
--- branches/cmake-bringup/lib/rtl/i386/rtlswap.S [iso-8859-1] (original)
+++ branches/cmake-bringup/lib/rtl/i386/rtlswap.S (removed)
@@ -1,53 +1,0 @@
-/*
- * COPYRIGHT:         See COPYING in the top level directory
- * PROJECT:           ReactOS Run-Time Library
- * PURPOSE:           Byte swap functions
- * FILE:              lib/rtl/i386/rtlswap.S
- * PROGRAMER:         Alex Ionescu (alex.ionescu(a)reactos.org)
- */
-
-.intel_syntax noprefix
-
-.globl @RtlUshortByteSwap@4
-.globl @RtlUlongByteSwap@4
-.globl @RtlUlonglongByteSwap@8
-
-/* FUNCTIONS ***************************************************************/
-
-.func @RtlUshortByteSwap@4, @RtlUshortByteSwap@4
-@RtlUshortByteSwap@4:
-
-    /* Swap high and low bits */
-    mov ah, cl
-    mov al, ch
-    ret
-.endfunc
-
-.func @RtlUlongByteSwap@4, @RtlUlongByteSwap@4
-@RtlUlongByteSwap@4:
-
-    /* Swap high and low bits */
-    mov eax, ecx
-    bswap eax
-    ret
-.endfunc
-
-.func @RtlUlonglongByteSwap@8, @RtlUlonglongByteSwap@8
-@RtlUlonglongByteSwap@8:
-
-    /* Get 64-bit integer */
-    mov edx, [esp+8]
-    mov eax, [esp+4]
-
-    /* Swap it */
-    bswap edx
-    bswap eax
-
-    /* Return it */
-    mov ecx, eax
-    mov eax, edx
-    mov edx, ecx
-    ret
-.endfunc
-
-

Modified: branches/cmake-bringup/lib/rtl/largeint.c
URL:
http://svn.reactos.org/svn/reactos/branches/cmake-bringup/lib/rtl/largeint.…
==============================================================================
--- branches/cmake-bringup/lib/rtl/largeint.c [iso-8859-1] (original)
+++ branches/cmake-bringup/lib/rtl/largeint.c [iso-8859-1] Tue Aug  3 01:56:35 2010
@@ -14,6 +14,40 @@
 
 /* FUNCTIONS *****************************************************************/
 
+#undef RtlUlonglongByteSwap
+#undef RtlUlongByteSwap
+#undef RtlUshortByteSwap
+
+/*
+ * @implemented
+ */
+USHORT
+FASTCALL
+RtlUshortByteSwap(IN USHORT Source)
+{
+    return _byteswap_ushort(Source);
+}
+
+/*
+ * @implemented
+ */
+ULONG
+FASTCALL
+RtlUlongByteSwap(IN ULONG Source)
+{
+    return _byteswap_ulong(Source);
+}
+
+/*
+ * @implemented
+ */
+ULONGLONG
+FASTCALL
+RtlUlonglongByteSwap(IN ULONGLONG Source)
+{
+    return _byteswap_uint64(Source);
+}
+    
 /*
  * @implemented
  */