On ons, 2010-06-09 at 09:59 +0200, Florian Pflug wrote:
> The most heavily platform dependent part of the code is the spinlock
> implementation. You might want to check that it actually uses the
> version optimized for your platform, not the (much slower) generic
> implementation based on semaphores.
You only get the slow implementation if you configure explicitly with
--disable-spinlocks. A toolchain that didn't support spinlocks would
fail the build and then the user could use that option to get past that
problem.