On 20 Jul 2010 13:03:57 +0100 "N.M. Maclaren" <n...@cam.ac.uk> wrote: > > Not on most systems. While this is more clearly illegal, similar > remarks apply to its safety. If there were any debugging C compilers > around, it might well get trapped, but those are about as common as > unicorns. > > It's a horrible coding style, but this is a case of damned if you do, > and damned if you don't.
Yep the only other way to do it I saw was to create an unsigned version of OPAL_ATOMIC_CMPSET_32. But this code is *only* used for debug purposes for so I thought that was excessive. And I agree that twos complement representation should make this ok, albeit ugly. Chris -- cy...@ozlabs.org
