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| author | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-01-21 14:11:22 +0100 |
|---|---|---|
| committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-02-08 11:06:32 +0100 |
| commit | 9bf79539ed0866f1f67d09e807e745eae9588adb (patch) | |
| tree | 0238d7a5dd556a3cdc7b04f980bd09f285c9877e | |
| parent | ab59284eaeb9560926ef5f0a233d91ecb4e64e1a (diff) | |
| download | op-kernel-dev-9bf79539ed0866f1f67d09e807e745eae9588adb.zip op-kernel-dev-9bf79539ed0866f1f67d09e807e745eae9588adb.tar.gz | |
CRIS v10: Remove duplicated folding of carry from lib/checksum.S, it is not needed.
Also, remove useless CVS id tag.
| -rw-r--r-- | arch/cris/arch-v10/lib/checksum.S | 8 |
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 85c48f0..7d552f4 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 |
