From 49515ccd946ed2df5bda9b8ce19ddd875a06269f Mon Sep 17 00:00:00 2001
From: mycroft <mycroft@NetBSD.org>
Date: Fri, 23 Apr 1993 06:33:20 +0000
Subject: [PATCH] Make fillw faster in the usual case.

---
 sys/arch/i386/i386/locore.s | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/sys/arch/i386/i386/locore.s b/sys/arch/i386/i386/locore.s
index aa69bfa6591c..fbfb1a1fb1b1 100644
--- a/sys/arch/i386/i386/locore.s
+++ b/sys/arch/i386/i386/locore.s
@@ -468,8 +468,16 @@ _fillw:
 	pushl	%edi
 	movl	8(%esp),%eax
 	movl	12(%esp),%edi
-	movl	16(%esp),%ecx
+	movw	%ax, %cx
+	rorl	$16, %eax
+	movw	%cx, %ax
 	cld
+	movl	16(%esp),%ecx
+	shrl	%ecx
+	rep
+	stosl
+	movl	16(%esp),%ecx
+	andl	$1, %ecx
 	rep
 	stosw
 	popl	%edi