From 8dff09c37aee144284f6a902ecb498ec341f1d89 Mon Sep 17 00:00:00 2001
From: Aleksandar Andrejevic <aandrejevic@reactos.org>
Date: Fri, 11 Oct 2013 20:54:46 +0000
Subject: [PATCH] [SOFT386] Improve the performance of Soft386CalculateParity.

svn path=/branches/ntvdm/; revision=60621
---
 lib/soft386/common.inl | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/soft386/common.inl b/lib/soft386/common.inl
index 170ef61ec23..7a218d82d2a 100644
--- a/lib/soft386/common.inl
+++ b/lib/soft386/common.inl
@@ -436,10 +436,7 @@ FORCEINLINE
 BOOLEAN
 Soft386CalculateParity(UCHAR Number)
 {
-    Number ^= Number >> 1;
-    Number ^= Number >> 2;
-    Number ^= Number >> 4;
-    return !(Number & 1);
+    return (0x9669 >> ((Number & 0x0F) ^ (Number >> 4))) & 1;
 }
 
 FORCEINLINE