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authorAustin Foxley <austinf@cetoncorp.com>2010-02-16 12:27:18 -0800
committerAustin Foxley <austinf@cetoncorp.com>2010-02-16 12:27:18 -0800
commita032a6587011cbdac8c2f7e11f15dc4e592bbb55 (patch)
treeb8d8dfc6abf0168e098223c2134a3e4bd7640942 /libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
parent70f1d42b13a741f603472f405299e5d2938aa728 (diff)
mass sync with glibc nptl
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S11
1 files changed, 3 insertions, 8 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
index 08edc390c..7b7f63ddb 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -18,14 +18,9 @@
02111-1307 USA. */
#include <sysdep.h>
+#include <lowlevellock.h>
#include <pthread-errnos.h>
-#ifndef UP
-# define LOCK lock
-#else
-# define
-#endif
-
.text
.globl sem_trywait
@@ -36,7 +31,7 @@ sem_trywait:
2: testl %eax, %eax
jz 1f
- leaq -1(%rax), %rdx
+ leal -1(%rax), %edx
LOCK
cmpxchgl %edx, (%rdi)
jne 2b