glibc/nptl/sysdeps/sparc/sparc32/pthread_spin_trylock.S
David S. Miller e2dbf201ab Mirror i386 change on sparc: 'Avoid "anonymous" code in pthread_spin_lock'
nptl/

	* sysdeps/sparc/sparc64/pthread_spin_lock.S: New.
	* sysdeps/sparc/sparc64/pthread_spin_lock.c: Delete.
	* sysdeps/sparc/sparc64/pthread_spin_unlock.S: New.
	* sysdeps/sparc/sparc64/pthread_spin_unlock.c: Delete.
	* sysdeps/sparc/sparc64/pthread_spin_trylock.S: New.
	* sysdeps/sparc/sparc64/pthread_spin_trylock.c: Delete.
	* sysdeps/sparc/sparc64/pthread_spin_init.c: New.
	* sysdeps/sparc/sparc32/pthread_spin_lock.S: New.
	* sysdeps/sparc/sparc32/pthread_spin_lock.c: Delete.
	* sysdeps/sparc/sparc32/pthread_spin_trylock.S: New.
	* sysdeps/sparc/sparc32/pthread_spin_trylock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.S: New.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.S: New.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.S: New.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/pthread_spin_init.c: New.
2012-05-02 19:04:54 -07:00

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970 B
ArmAsm

/* Copyright (C) 2012 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>
#include <pthread-errnos.h>
.text
ENTRY(pthread_spin_trylock)
ldstub [%o0], %o0
cmp %o0, 0
bne,a 1f
mov EBUSY, %o0
1: retl
nop
END(pthread_spin_trylock)