Commit ab59284e authored by Jesper Nilsson's avatar Jesper Nilsson

CRIS v10: Remove duplicated folding of carry from lib/checksumcopy.S, it is not needed.

Also, remove useless CVS id tag.
parent 2afab729
/* $Id: checksumcopy.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
/*
* A fast checksum+copy routine using movem
* Copyright (c) 1998, 2001 Axis Communications AB
*
......@@ -67,8 +67,6 @@ _mloop: movem [$r10+],$r9 ; read 10 longwords
ax
addq 0,$r13
ax ; do it again, since we might have generated a carry
addq 0,$r13
subq 10*4,$r12
bge _mloop
......@@ -91,10 +89,6 @@ _word_loop:
lsrq 16,$r9 ; r0 = checksum >> 16
and.d 0xffff,$r13 ; checksum = checksum & 0xffff
add.d $r9,$r13 ; checksum += r0
move.d $r13,$r9 ; do the same again, maybe we got a carry last add
lsrq 16,$r9
and.d 0xffff,$r13
add.d $r9,$r13
_no_fold:
cmpq 2,$r12
......
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