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authorJesper Nilsson <jesper.nilsson@axis.com>2008-01-21 14:11:22 +0100
committerJesper Nilsson <jesper.nilsson@axis.com>2008-02-08 11:06:32 +0100
commit9bf79539ed0866f1f67d09e807e745eae9588adb (patch)
tree0238d7a5dd556a3cdc7b04f980bd09f285c9877e /arch
parentab59284eaeb9560926ef5f0a233d91ecb4e64e1a (diff)
CRIS v10: Remove duplicated folding of carry from lib/checksum.S, it is not needed.
Also, remove useless CVS id tag.
Diffstat (limited to 'arch')
-rw-r--r--arch/cris/arch-v10/lib/checksum.S8
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/cris/arch-v10/lib/checksum.S b/arch/cris/arch-v10/lib/checksum.S
index 85c48f0a9ec..7d552f4bd5a 100644
--- a/arch/cris/arch-v10/lib/checksum.S
+++ b/arch/cris/arch-v10/lib/checksum.S
@@ -1,4 +1,4 @@
-/* $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