* sysdeps/i386/tls.h (THREAD_GSCOPE_RESET_FLAG): Use explicit

	insn suffix.
	(THREAD_GSCOPE_GET_FLAG): Remove.
	* sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Remove.
	* allocatestack.c (__wait_lookup_done): Revert 2007-05-24
	changes.
	* sysdeps/powerpc/tls.h (tcbhead_t): Remove gscope_flag.
	(THREAD_GSCOPE_GET_FLAG): Remove.
	(THREAD_GSCOPE_RESET_FLAG): Use THREAD_SELF->header.gscope_flag
	instead of THREAD_GSCOPE_GET_FLAG.
	(THREAD_GSCOPE_SET_FLAG): Likewise.  Add atomic_write_barrier after
	it.
	* sysdeps/s390/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.
	* sysdeps/sparc/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.
	* sysdeps/sh/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.
	* sysdeps/ia64/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.

2007-05-24  Richard Henderson  <rth@redhat.com>

	* descr.h (struct pthread): Add header.gscope_flag.
	* sysdeps/alpha/tls.h (THREAD_GSCOPE_FLAG_UNUSED,
	THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT,
	THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG,
	THREAD_GSCOPE_WAIT): Define.

5 files changed, 26 insertions, 34 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
index 763c14b08f..c61c697985 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
@@ -61,7 +61,7 @@ __pthread_rwlock_rdlock:
 	jne	14f
 	cmpl	$0, WRITERS_QUEUED(%ebx)
 	je	5f
-	cmpl	$0, FLAGS(%ebx)
+	cmpb	$0, FLAGS(%ebx)
 	je	5f
 
 3:	addl	$1, READERS_QUEUED(%ebx)
@@ -79,14 +79,12 @@ __pthread_rwlock_rdlock:
 
 11:
 #if __ASSUME_PRIVATE_FUTEX
-	movl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
-	xorl	PSHARED(%ebx), %ecx
+	movzbl	PSHARED(%ebx), %ecx
+	xorl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
 #else
-# if FUTEX_WAIT == 0
-	movl	PSHARED(%ebx), %ecx
-# else
-	movl	$FUTEX_WAIT, %ecx
-	orl	PSHARED(%ebx), %ecx
+	movzbl	PSHARED(%ebx), %ecx
+# if FUTEX_WAIT != 0
+	orl	$FUTEX_WAIT, %ecx
 # endif
 	xorl	%gs:PRIVATE_FUTEX, %ecx
 #endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
index a6d3db5302..c6a584fed0 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
@@ -65,7 +65,7 @@ pthread_rwlock_timedrdlock:
 	jne	14f
 	cmpl	$0, WRITERS_QUEUED(%ebp)
 	je	5f
-	cmpl	$0, FLAGS(%ebp)
+	cmpb	$0, FLAGS(%ebp)
 	je	5f
 
 	/* Check the value of the timeout parameter.  */
@@ -111,14 +111,12 @@ pthread_rwlock_timedrdlock:
 
 	movl	%esi, %edx
 #if __ASSUME_PRIVATE_FUTEX
-	movl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
-	xorl	PSHARED(%ebp), %ecx
+	movzbl	PSHARED(%ebp), %ecx
+	xorl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
 #else
-# if FUTEX_WAIT == 0
-	movl	PSHARED(%ebp), %ecx
-# else
-	movl	$FUTEX_WAIT, %ecx
-	orl	PSHARED(%ebp), %ecx
+	movzbl	PSHARED(%ebp), %ecx
+# if FUTEX_WAIT != 0
+	orl	$FUTEX_WAIT, %ecx
 # endif
 	xorl	%gs:PRIVATE_FUTEX, %ecx
 #endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
index 6c6e2faf50..5e9faf93fb 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
@@ -109,14 +109,12 @@ pthread_rwlock_timedwrlock:
 
 	movl	%esi, %edx
 #if __ASSUME_PRIVATE_FUTEX
-	movl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
-	xorl	PSHARED(%ebp), %ecx
+	movzbl	PSHARED(%ebp), %ecx
+	xorl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
 #else
-# if FUTEX_WAIT == 0
-	movl	PSHARED(%ebp), %ecx
-# else
-	movl	$FUTEX_WAIT, %ecx
-	orl	PSHARED(%ebp), %ecx
+	movzbl	PSHARED(%ebp), %ecx
+# if FUTEX_WAIT != 0
+	orl	$FUTEX_WAIT, %ecx
 # endif
 	xorl	%gs:PRIVATE_FUTEX, %ecx
 #endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S
index 122ac7646e..35c40c2c1c 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S
@@ -84,11 +84,11 @@ __pthread_rwlock_unlock:
 
 8:
 #if __ASSUME_PRIVATE_FUTEX
-	movl	$FUTEX_PRIVATE_FLAG|FUTEX_WAKE, %ecx
-	xorl	PSHARED(%edi), %ecx
+	movzbl	PSHARED(%edi), %ecx
+	xorl	$FUTEX_PRIVATE_FLAG|FUTEX_WAKE, %ecx
 #else
-	movl	$FUTEX_WAKE, %ecx
-	orl	PSHARED(%edi), %ecx
+	movzbl	PSHARED(%edi), %ecx
+	orl	$FUTEX_WAKE, %ecx
 	xorl	%gs:PRIVATE_FUTEX, %ecx
 #endif
 	movl	$SYS_futex, %eax
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S
index 9083419a4b..88044c040b 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S
@@ -77,14 +77,12 @@ __pthread_rwlock_wrlock:
 
 11:
 #if __ASSUME_PRIVATE_FUTEX
-	movl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
-	xorl	PSHARED(%ebx), %ecx
+	movzbl	PSHARED(%ebx), %ecx
+	xorl	$FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx
 #else
-# if FUTEX_WAIT == 0
-	movl	PSHARED(%ebx), %ecx
-# else
-	movl	$FUTEX_WAIT, %ecx
-	orl	PSHARED(%ebx), %ecx
+	movzbl	PSHARED(%ebx), %ecx
+# if FUTEX_WAIT != 0
+	orl	$FUTEX_WAIT, %ecx
 # endif
 	xorl	%gs:PRIVATE_FUTEX, %ecx
 #endif