Update.

Update.

2000-05-05  H.J. Lu  <hjl@gnu.org>

	* sysdeps/ia64/pt-machine.h (__compare_and_swap): Change it to
	have acquire semantics.
	(__compare_and_swap_with_release_semantics): New inline
	function.
	(HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS): New macro.

2000-01-28  Hans Boehm  <hboehm@exch.hpl.hp.com>

	* manager.c: Fix the problem with signals at startup.
	Change the way that thread stacks are allocated on IA64.
	Clean up some of the guard page allocation stuff.

1999-12-19  H.J. Lu  <hjl@gnu.org>

	* internals.h (page_roundup): New.
	* attr.c (__pthread_attr_setguardsize); Use page_roundup
	instead of roundup.
	* manager.c (pthread_allocate_stack): Make sure guardaddr is
	page aligned with page_roundup if NEED_SEPARATE_REGISTER_STACK
	is define.

1999-12-17  Hans Boehm  <hboehm@exch.hpl.hp.com>

	* manager.c (pthread_allocate_stack): Unmap the stack top
	if failed to map the stack bottom.
	Fix the guard page.
	(pthread_free): Fix the guard page.

	* pthread.c (pthread_initialize): Set rlimit correctly for
	NEED_SEPARATE_REGISTER_STACK.

1999-12-16  H.J. Lu  <hjl@gnu.org>

	* pthread.c (__pthread_initialize_manager): Pass
	__pthread_manager_thread_bos instead of
	__pthread_manager_thread_tos to __clone2.

1999-12-16  H.J. Lu  <hjl@gnu.org>

	* manager.c (pthread_allocate_stack): Correct the calculation
	of "new_thread_bottom". Remove MAP_GROWSDOWN from mmap for
	stack bottom.

1999-12-13  H.J. Lu  <hjl@gnu.org>

	* sysdeps/ia64/pt-machine.h (__compare_and_swap): Added a stop
	bit after setting ar.ccv.

1999-12-12  H.J. Lu  <hjl@gnu.org>

	* manager.c (pthread_allocate_stack): Make the starting
	address of the stack bottom page aligned. FIXME: it may
	need changes in other places.
	(pthread_handle_create): Likewise.

1999-12-11  Hans Boehm  <hboehm@exch.hpl.hp.com>

	* manager.c (pthread_allocate_stack): Handle
	NEED_SEPARATE_REGISTER_STACK.
	(pthread_handle_create): Likewise.
	* pthread.c (__pthread_initialize_manager): Likewise.

	* sysdeps/ia64/pt-machine.h: Use r13 for thread pointer.

1999-12-02  H.J. Lu  <hjl@gnu.org>

	* sysdeps/ia64/pt-machine.h: New.