/* Copyright (C) 2012-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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

   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

	.text

ENTRY(pthread_spin_lock)

1:	ldstub		[%o0], %g1

	orcc		%g1, 0x0, %g0

	bne,a		2f

	 ldub		[%o0], %g1

	retl

	 mov		0, %o0

2:	orcc		%g1, 0x0, %g0

	bne,a		2b

	 ldub		[%o0], %g1

	ba,a		1b

END(pthread_spin_lock)