SPARC: Consolidate unnecessary nptl/ subdirectories.

1 files changed, 31 insertions, 0 deletions

diff --git a/sysdeps/sparc/sparc64/pthread_spin_lock.S b/sysdeps/sparc/sparc64/pthread_spin_lock.S
new file mode 100644
index 0000000000..aec66542de
--- /dev/null
+++ b/sysdeps/sparc/sparc64/pthread_spin_lock.S
@@ -0,0 +1,31 @@
+/* Copyright (C) 2012-2014 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
+	brnz,pn		%g1, 2f
+	 membar		#StoreLoad | #StoreStore
+	retl
+	 mov		0, %o0
+2:	ldub		[%o0], %g1
+	brnz,pt		%g1, 2b
+	 membar		#LoadLoad
+	ba,a,pt		%xcc, 1b
+END(pthread_spin_lock)