On 12/01/2011 01:44 AM, Alan Modra wrote:
> * config/linux/affinity.c: Use atomic rather than sync builtin.
> * config/linux/lock.c: Likewise.
> * config/linux/ptrlock.h: Likewise.
> * config/linux/ptrlock.c: Likewise.
> * config/linux/ptrlock.h (gomp_ptrlock_set): Alw
This converts the remaining files in libgomp/config/linux/ to use
atomics. gomp_init_thread_affinity fairly obviously needs no
barriers; I wasn't so sure about ptrlock, so tried without the
acquire/release barriers and found a number of the loop tests failed.
So it seems the usual lock barriers a
