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authorRoland McGrath <roland@hack.frob.com>2014-06-11 21:33:32 -0700
committerRoland McGrath <roland@hack.frob.com>2014-06-11 21:33:32 -0700
commit14642b8511ed1d6ecfd326de8688853118308082 (patch)
treed07bc0da0c2a988b094dbe73b6b1df5e1296447a /sysdeps/x86_64/nptl/pthread_spin_unlock.S
parent31c44fea314ea227356b72c3ec29616b9692e39d (diff)
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Move x86_64 code out of nptl/ subdirectory.
Diffstat (limited to 'sysdeps/x86_64/nptl/pthread_spin_unlock.S')
-rw-r--r--sysdeps/x86_64/nptl/pthread_spin_unlock.S30
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/x86_64/nptl/pthread_spin_unlock.S b/sysdeps/x86_64/nptl/pthread_spin_unlock.S
new file mode 100644
index 0000000000..6cd4feaf2a
--- /dev/null
+++ b/sysdeps/x86_64/nptl/pthread_spin_unlock.S
@@ -0,0 +1,30 @@
+/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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/>. */
+
+ .globl pthread_spin_unlock
+ .type pthread_spin_unlock,@function
+ .align 16
+pthread_spin_unlock:
+ movl $1, (%rdi)
+ xorl %eax, %eax
+ retq
+ .size pthread_spin_unlock,.-pthread_spin_unlock
+
+ /* The implementation of pthread_spin_init is identical. */
+ .globl pthread_spin_init
+pthread_spin_init = pthread_spin_unlock