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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S14
1 files changed, 9 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
index 1fcb07eaef..0e82f890aa 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -72,8 +72,12 @@ __pthread_rwlock_wrlock:
 	jne	10f
 
 11:	addq	$WRITERS_WAKEUP, %rdi
-	movq	%r10, %rsi	/* movq $FUTEX_WAIT, %rsi */
-	movq	$SYS_futex, %rax
+#if FUTEX_WAIT == 0
+	xorl	%esi, %esi
+#else
+	movl	$FUTEX_WAIT, %esi
+#endif
+	movl	$SYS_futex, %eax
 	syscall
 
 	subq	$WRITERS_WAKEUP, %rdi
@@ -92,7 +96,7 @@ __pthread_rwlock_wrlock:
 13:	decl	WRITERS_QUEUED(%rdi)
 	jmp	2b
 
-5:	xorq	%rdx, %rdx
+5:	xorl	%edx, %edx
 	movl	%fs:TID, %eax
 	movl	%eax, WRITER(%rdi)
 9:	LOCK
@@ -119,7 +123,7 @@ __pthread_rwlock_wrlock:
 
 14:	cmpl	%fs:TID, %eax
 	jne	3b
-	movq	$EDEADLK, %rdx
+	movl	$EDEADLK, %edx
 	jmp	9b
 
 6: