On 06/24/2010 10:10 AM, Daniël Mantione wrote:
>
> Yes, but in a multi-cpu system giving up the timeslice is a very bad
> idea, because the lock might be released a few clock cycles later by
> the other cpu; you would waste the rest of time slice while you could
> be crunching
Of course you are right. But this code is only used for ARM lower than
v6 (ARMV6 provides ldrx which is fine, anyway). Are there really
multi-CPU ARMv5 or even ARMv4 systems ? They would work decently with
the sleep; I don't think it's relevant to optimize the RTL code for those.

-Michael
_______________________________________________
fpc-devel maillist  -  [email protected]
http://lists.freepascal.org/mailman/listinfo/fpc-devel

Reply via email to