1/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library.  If not, see
16   <https://www.gnu.org/licenses/>.  */
17
18/* Copy a null-terminated string from SRC to DST.  Return a pointer
19   to the null-terminator in the source.  */
20
21#include <sysdep.h>
22
23	.text
24
25ENTRY(__stpcpy)
26	ldgp	gp, 0(pv)
27#ifdef PROF
28	.set noat
29	lda	AT, _mcount
30	jsr	AT, (AT), _mcount
31	.set at
32#endif
33	.prologue 1
34
35	jsr	t9, __stxcpy	# do the work of the copy
36
37	and	t8, 0xf0, t2	# binary search for byte offset of the
38	and	t8, 0xcc, t1	# last byte written.
39	and	t8, 0xaa, t0
40	andnot	a0, 7, a0
41	cmovne	t2, 4, t2
42	cmovne	t1, 2, t1
43	cmovne	t0, 1, t0
44	addq	a0, t2, v0
45	addq	t0, t1, t0
46	addq	v0, t0, v0
47
48	ret
49
50	END(__stpcpy)
51
52weak_alias (__stpcpy, stpcpy)
53libc_hidden_def (__stpcpy)
54libc_hidden_builtin_def (stpcpy)
55