Re: __sync_lock_test_and_set on ARM

["Phil Endecott" <spam_from_gcc_help_2@xxxxxxxxxxxx>]

Andrew Haley wrote:
> this stuff really should be done by the compiler. 

Yes.  I've filed a bug asking for a __sync_lock_test_and_set builtin:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33413

In the meantime I'm happy with the asm that I posted at the start of 
this thread.


Regards,

Phil.