mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
80 lines
1.5 KiB
ArmAsm
80 lines
1.5 KiB
ArmAsm
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
/* void *memset (t, c, len) */
|
|
|
|
ENTRY(memset)
|
|
tst r6, r6
|
|
bt/s end
|
|
mov r4, r3
|
|
mov #3, r0
|
|
cmp/hs r6, r0
|
|
bt/s 2f
|
|
and r4, r0
|
|
tst r0, r0
|
|
bt/s 1f
|
|
add r0, r6
|
|
add #-1, r0
|
|
shll2 r0
|
|
braf r0
|
|
add #-4, r6
|
|
|
|
mov.b r5, @r4
|
|
add #1, r4
|
|
mov.b r5, @r4
|
|
add #1, r4
|
|
mov.b r5, @r4
|
|
add #1, r4
|
|
1:
|
|
extu.b r5, r0
|
|
shll8 r5
|
|
or r5, r0
|
|
extu.w r0, r0
|
|
mov r0, r5
|
|
swap.w r5, r5
|
|
or r0, r5
|
|
|
|
2:
|
|
add #-4, r6
|
|
cmp/pz r6
|
|
bf afew
|
|
mov.l r5, @r4
|
|
bra 2b
|
|
add #4, r4
|
|
|
|
afew:
|
|
mov #-1, r0
|
|
sub r6, r0
|
|
shll2 r0
|
|
braf r0
|
|
nop
|
|
|
|
mov.b r5, @r4
|
|
add #1, r4
|
|
mov.b r5, @r4
|
|
add #1, r4
|
|
mov.b r5, @r4
|
|
add #1, r4
|
|
end:
|
|
rts
|
|
mov r3, r0
|
|
END(memset)
|