Fix check for PI mutex in x86-64 pthread_cond_signal

[Andreas Schwab]

Register eax contains the syscall number, use a different one instead.

Andreas.

2009-08-10  Andreas Schwab  <schwab@redhat.com>

	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
	(__pthread_cond_signal): Don't clobber register used for syscall
	number.

diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
index 4d001ee..d1d83a8 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
@@ -64,9 +64,9 @@ __pthread_cond_signal:
 
 	/* Get the address of the mutex used.  */
 	movq    dep_mutex(%r8), %rcx
-	movl	MUTEX_KIND(%rcx), %eax
-	andl	$(ROBUST_BIT|PI_BIT), %eax
-	cmpl	$PI_BIT, %eax
+	movl	MUTEX_KIND(%rcx), %r11d
+	andl	$(ROBUST_BIT|PI_BIT), %r11d
+	cmpl	$PI_BIT, %r11d
 	je	9f
 
 #ifdef __ASSUME_PRIVATE_FUTEX

-- 
Andreas Schwab, schwab@redhat.com
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