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authorUlrich Drepper <drepper@redhat.com>2004-03-23 08:39:26 +0000
committerUlrich Drepper <drepper@redhat.com>2004-03-23 08:39:26 +0000
commit16b06b70b58461cca36a4aa83559cb89385076ce (patch)
tree5764f095142964161212af4665ab2418a6275254
parent81562526a22a1b0d35c049ca862b6e2b87c6f0bb (diff)
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Update.
2004-03-23  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_mutex_trylock):
	Remove unnecessary setne instruction.
-rw-r--r--nptl/ChangeLog5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h4
2 files changed, 7 insertions, 2 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 243ad921b8..e0439e1fdc 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,8 @@
+2004-03-23  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_mutex_trylock):
+	Remove unnecessary setne instruction.
+
 2004-03-22  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/unix/sysv/linux/pthread_getaffinity.c
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index e420c3f6ef..9f089f8e6e 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -104,7 +104,7 @@ extern int __lll_mutex_unlock_wake (int *__futex)
 
 #define lll_mutex_trylock(futex) \
   ({ unsigned char ret;							      \
-     __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1; setne %0"		      \
+     __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1"			      \
 		       : "=a" (ret), "=m" (futex)			      \
 		       : "r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), "m" (futex),\
 			 "0" (LLL_MUTEX_LOCK_INITIALIZER)		      \