/* Copyright (C) 2003-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Richard Henderson  <rth@twiddle.net>, 2003.

   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/>.  */

	.text

	.align	4

	.globl	pthread_spin_lock

	.ent	pthread_spin_lock

pthread_spin_lock:

	.frame	$sp, 0, $26, 0

	.prologue 0

0:	ldl_l	$1, 0($16)

	lda	$2, 1

	lda	$0, 0

	bne	$1, 1f

	stl_c	$2, 0($16)

	beq	$2, 1f

	mb

	ret

1:	ldl	$1, 0($16)

	bne	$1, 1b

	unop

	br	0b

	.end	pthread_spin_lock