1996-10-06 02:02:37 +00:00
|
|
|
/* Copyright (C) 1996 Free Software Foundation, Inc.
|
1996-11-20 03:45:46 +00:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
Contributed by Richard Henderson <rth@tamu.edu>, 1996.
|
1996-10-06 02:02:37 +00:00
|
|
|
|
1996-11-20 03:45:46 +00:00
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU Library General Public License as
|
|
|
|
|
published by the Free Software Foundation; either version 2 of the
|
|
|
|
|
License, or (at your option) any later version.
|
1996-10-06 02:02:37 +00:00
|
|
|
|
1996-11-20 03:45:46 +00:00
|
|
|
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
|
|
|
|
|
Library General Public License for more details.
|
1996-10-06 02:02:37 +00:00
|
|
|
|
1996-11-20 03:45:46 +00:00
|
|
|
You should have received a copy of the GNU Library General Public
|
|
|
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
|
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
|
|
Boston, MA 02111-1307, USA. */
|
1996-10-06 02:02:37 +00:00
|
|
|
|
|
|
|
|
/* Copy a null-terminated string from SRC to DST. Return a pointer
|
|
|
|
|
to the null-terminator in the source. */
|
|
|
|
|
|
|
|
|
|
#include <sysdep.h>
|
|
|
|
|
|
|
|
|
|
.text
|
|
|
|
|
|
|
|
|
|
ENTRY(__stpcpy)
|
|
|
|
|
ldgp gp, 0(pv)
|
1996-11-06 04:24:11 +00:00
|
|
|
#ifdef PROF
|
1996-11-20 03:45:46 +00:00
|
|
|
.set noat
|
1996-11-06 04:24:11 +00:00
|
|
|
lda AT, _mcount
|
|
|
|
|
jsr AT, (AT), _mcount
|
1996-11-20 03:45:46 +00:00
|
|
|
.set at
|
1996-11-06 04:24:11 +00:00
|
|
|
#endif
|
1996-10-06 02:02:37 +00:00
|
|
|
.prologue 1
|
|
|
|
|
|
|
|
|
|
jsr t9, __stxcpy # do the work of the copy
|
|
|
|
|
|
|
|
|
|
and t8, 0xf0, t2 # binary search for byte offset of the
|
|
|
|
|
and t8, 0xcc, t1 # last byte written.
|
|
|
|
|
and t8, 0xaa, t0
|
|
|
|
|
andnot a0, 7, a0
|
|
|
|
|
cmovne t2, 4, t2
|
|
|
|
|
cmovne t1, 2, t1
|
|
|
|
|
cmovne t0, 1, t0
|
|
|
|
|
addq a0, t2, v0
|
|
|
|
|
addq t0, t1, t0
|
|
|
|
|
addq v0, t0, v0
|
|
|
|
|
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
END(__stpcpy)
|
|
|
|
|
|
|
|
|
|
weak_alias (__stpcpy, stpcpy)
|
