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-rw-r--r--nptl/ChangeLog3
-rw-r--r--nptl/sysdeps/ia64/pthread_spin_lock.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 5155b79ae9..c75be9a91a 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,8 @@
2004-03-23 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/ia64/pthread_spin_lock.c (pthread_spin_lock): Use hint
+ @pause in the loop.
+
* sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_mutex_trylock):
No need to restrict type of ret. Make it int. Add comment.
diff --git a/nptl/sysdeps/ia64/pthread_spin_lock.c b/nptl/sysdeps/ia64/pthread_spin_lock.c
index f6b706ae71..71aaef9451 100644
--- a/nptl/sysdeps/ia64/pthread_spin_lock.c
+++ b/nptl/sysdeps/ia64/pthread_spin_lock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -29,7 +29,7 @@ pthread_spin_lock (lock)
{
/* Spin without using the atomic instruction. */
do
- __asm __volatile ("" : : : "memory");
+ __asm __volatile ("hint @pause" : : : "memory");
while (*p);
}
return 0;