[src/trunk]: src/sys/arch/i386/i386 Minor optimization: movl and andl are sli...

[junyoung <junyoung%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2bd312e565e8
branches:  trunk
changeset: 538599:2bd312e565e8
user:      junyoung <junyoung%NetBSD.org@localhost>
date:      Wed Oct 23 03:28:34 2002 +0000

description:
Minor optimization: movl and andl are slightly faster than movb and andb,
respectively.

diffstat:

 sys/arch/i386/i386/locore.s |  14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diffs (42 lines):

diff -r 649f7d572f7b -r 2bd312e565e8 sys/arch/i386/i386/locore.s
--- a/sys/arch/i386/i386/locore.s       Wed Oct 23 02:32:36 2002 +0000
+++ b/sys/arch/i386/i386/locore.s       Wed Oct 23 03:28:34 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.266 2002/10/23 00:58:28 christos Exp $    */
+/*     $NetBSD: locore.s,v 1.267 2002/10/23 03:28:34 junyoung Exp $    */
 
 /*-
  * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@@ -1054,8 +1054,8 @@
        shrl    $2,%ecx
        rep
        movsl
-       movb    %al,%cl
-       andb    $3,%cl
+       movl    %eax,%ecx
+       andl    $3,%ecx
        rep
        movsb
 
@@ -1096,8 +1096,8 @@
        shrl    $2,%ecx
        rep
        movsl
-       movb    %al,%cl
-       andb    $3,%cl
+       movl    %eax,%ecx
+       andl    $3,%ecx
        rep
        movsb
 
@@ -1148,8 +1148,8 @@
        shrl    $2,%ecx
        rep
        movsl
-       movb    %al,%cl
-       andb    $3,%cl
+       movl    %eax,%ecx
+       andl    $3,%ecx
        rep
        movsb