From d0f3efca650eccd5179e045cd07f7d723037defc Mon Sep 17 00:00:00 2001
From: Austin Clements <amdragon@mit.edu>
Date: Thu, 1 Sep 2011 10:41:21 -0400
Subject: Use stosl in memset; makes boot time bearable

---
 string.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index a557dc5..d066c18 100644
--- a/string.c
+++ b/string.c
@@ -4,7 +4,11 @@
 void*
 memset(void *dst, int c, uint n)
 {
-  stosb(dst, c, n);
+  if ((int)dst%4 == 0 && n%4 == 0){
+    c &= 0xFF;
+    stosl(dst, (c<<24)|(c<<16)|(c<<8)|c, n/4);
+  } else
+    stosb(dst, c, n);
   return dst;
 }
 
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