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/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1996.
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, see
<https://www.gnu.org/licenses/>. */
/* 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)
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.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)
libc_hidden_def (__stpcpy)
libc_hidden_builtin_def (stpcpy)
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