1
/* Copyright (C) 1998, 2003 Free Software Foundation, Inc.
2
This file is part of the GNU C Library.
3
Contributed by Philip Blundell <philb@gnu.org>
5
The GNU C Library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
10
The GNU C Library is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
15
You should have received a copy of the GNU Lesser General Public
16
License along with the GNU C Library; if not, write to the Free
17
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22
/* void *memset (dstpp, c, len) */
27
bcc 2f @ less than 8 bytes to move
30
tst r3, #3 @ aligned yet?
35
and r1, r1, #255 @ clear any sign bits
36
orr r1, r1, r1, lsl $8
37
orr r1, r1, r1, lsl $16
42
stmcsia r3!, {r1, ip} @ store up to 32 bytes per loop iteration
53
subs r2, r2, #1 @ store up to 4 bytes per loop iteration
65
libc_hidden_builtin_def (memset)