Move i386 code out of nptl/ subdirectory.

1 files changed, 37 insertions, 0 deletions

diff --git a/sysdeps/i386/nptl/pthread_spin_lock.S b/sysdeps/i386/nptl/pthread_spin_lock.S
new file mode 100644
index 0000000000..b645fffb9a
--- /dev/null
+++ b/sysdeps/i386/nptl/pthread_spin_lock.S
@@ -0,0 +1,37 @@
+/* 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 <lowlevellock.h>
+
+	.globl	pthread_spin_lock
+	.type	pthread_spin_lock,@function
+	.align	16
+pthread_spin_lock:
+	mov	4(%esp), %eax
+1:	LOCK
+	decl	0(%eax)
+	jne	2f
+	xor	%eax, %eax
+	ret
+
+	.align	16
+2:	rep
+	nop
+	cmpl	$0, 0(%eax)
+	jg	1b
+	jmp	2b
+	.size	pthread_spin_lock,.-pthread_spin_lock