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Commit 9bf79539 authored by Jesper Nilsson's avatar Jesper Nilsson
Browse files

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

Also, remove useless CVS id tag.
parent ab59284e

arch/cris/arch-v10/lib/checksum.S

+1 −7
Original line number Diff line number Diff line 
/* $Id: checksum.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $

/*

 * A fast checksum routine using movem

 * Copyright (c) 1998-2001 Axis Communications AB

 *
@@ -61,8 +61,6 @@ _mloop: movem [$r10+],$r9 ; read 10 longwords 
	

	ax

	addq	0,$r12

	ax			; do it again, since we might have generated a carry

	addq	0,$r12



	subq	10*4,$r11

	bge	_mloop
@@ -88,10 +86,6 @@ _word_loop: 
	lsrq	16,$r13		; r13 = checksum >> 16

	and.d	$r9,$r12		; checksum = checksum & 0xffff

	add.d	$r13,$r12		; checksum += r13

	move.d	$r12,$r13		; do the same again, maybe we got a carry last add

	lsrq	16,$r13

	and.d	$r9,$r12

	add.d	$r13,$r12



_no_fold:

	cmpq	2,$r11