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Shave off few instructions by replacing mov src, dst; swap.w dst, dst; 

with swap.w src, dst in REDUCE.
This commit is contained in:
uwe 2006-04-11 18:42:09 +00:00
parent 412106574d
commit c73fd1d833
1 changed files with 2 additions and 3 deletions
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5
sys/arch/sh3/sh3/in_cksum.S
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@ -1,4 +1,4 @@
/* $NetBSD: in_cksum.S,v 1.7 2006/04/11 18:34:39 uwe Exp $ */
/* $NetBSD: in_cksum.S,v 1.8 2006/04/11 18:42:09 uwe Exp $ */
/*-
* Copyright (c) 2000 SHIMIZU Ryo <ryo@misakimix.org>
@ -43,9 +43,8 @@
#define REDUCE \
mov reg_sum,reg_tmp0 ; \
swap.w reg_sum,reg_tmp0 ; \
extu.w reg_sum,reg_sum ; \
swap.w reg_tmp0,reg_tmp0 ; \
extu.w reg_tmp0,reg_tmp0 ; \
add reg_tmp0,reg_sum