Update.

Update.

	* sysdeps/unix/sysv/linux/ia64/pthread_once.c: Use __builtin_expect.
	Use __lll_add instead of spelling it out.  Use protected symbol names.
	* sysdeps/unix/sysv/linux/ia64/sem_post.c: Use __builtin_expect.
	Use __lll_add.
	* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_compare_and_swap):
	Renamed from lll_compare_and_swap.  Use new name where necessary.
	(__lll_add): Defined.
	(__lll_dec_if_positive): Defined.
	(__lll_test_and_set): Defined.
	* sysdeps/ia64/pthread_spin_init.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/sem_trywait.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/sem_wait.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/lowlevellock.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/libc-lowlevellock.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/libc-lowlevelmutex.c: Removed.
	* sysdeps/unix/sysv/linux/ia64/sem_timedwait.c: Removed.