* 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.
PowerPC port contributed by Paul Mackerras <paulus@samba.org>.
* sysdeps/pthread/pthread_spin_init.c: New file.
* sysdeps/pthread/pthread_spin_unlock.c: New file.
* sysdeps/powerpc/Makefile: New file.
* sysdeps/powerpc/pthread_spin_lock.c: New file.
* sysdeps/powerpc/pthread_spin_trylock.c: New file.
* sysdeps/powerpc/pthreaddef.h: New file.
* sysdeps/powerpc/tcb-offsets.sym: New file.
* sysdeps/powerpc/td_ta_map_lwp2thr.c: New file.
* sysdeps/powerpc/tls.h: New file.
* sysdeps/powerpc/bits/atomic.h: New file.
* sysdeps/unix/sysv/linux/libc-lowlevelmutex.c: New file.
* sysdeps/unix/sysv/linux/libc-lowlevellock.c: New file.
* sysdeps/unix/sysv/linux/lowlevellock.c: New file.
* sysdeps/unix/sysv/linux/sem_post.c: New file.
* sysdeps/unix/sysv/linux/sem_timedwait.c: New file.
* sysdeps/unix/sysv/linux/sem_trywait.c: New file.
* sysdeps/unix/sysv/linux/powerpc/Makefile: New file.
* sysdeps/unix/sysv/linux/powerpc/createthread.c: New file.
* sysdeps/unix/sysv/linux/powerpc/fork.c: New file.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: New file.
* sysdeps/unix/sysv/linux/powerpc/pt-vfork.S: New file.
* sysdeps/unix/sysv/linux/powerpc/pthread_once.c: New file.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: New file.
* sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: New file.