From f0b4df99486066ad0e638b3b5debc905bc8ef1c4 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Sat, 11 Sep 2010 17:55:57 -0400
Subject: [PATCH] shadow: Optimize shadowUpdatePacked(). (#26973)

Signed-off-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Soren Sandmann <sandmann@daimi.au.dk>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 miext/shadow/shpacked.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/miext/shadow/shpacked.c b/miext/shadow/shpacked.c
index 20d2ea19e..06606bcf3 100644
--- a/miext/shadow/shpacked.c
+++ b/miext/shadow/shpacked.c
@@ -102,8 +102,8 @@ shadowUpdatePacked (ScreenPtr	    pScreen,
 		width -= i;
 		scr += i;
 #define PickBit(a,i)	(((a) >> (i)) & 1)
-		while (i--)
-		    *win++ = *sha++;
+		memcpy(win, sha, i * sizeof(FbBits));
+		sha += i;
 	    }
 	    shaLine += shaStride;
 	    y++;