Re: [gem5-users] Understanding cda microop

2019-09-12 Thread Pouya Fotouhi
Hi Gabe. Thank you for the clarification, greatly appreciated . I will make a record of this, and attempt to implement it as soon as possible. Best, On Thu, Sep 12, 2019 at 3:52 PM Gabe Black wrote: > It's been a while, but I think your interpretation is correct. It looks > like O3 doesn't

Re: [gem5-users] Understanding cda microop

2019-09-12 Thread Gabe Black
It's been a while, but I think your interpretation is correct. It looks like O3 doesn't check for NO_ACCESS and so will likely go ahead and do the access regardless. That will possibly lead to bad things happening, and would probably be worth fixing if you're trying to use x86 with O3. Gabe On

[gem5-users] Understanding cda microop

2019-09-11 Thread Pouya Fotouhi
Hi All, I'm trying to understand how cda microop works. I can see it's defined as "defineMicroStoreOp('Cda', 'Mem = 0;', mem_flags="Request::NO_ACCESS")". And I see in simple and atomic CPUs that we check the data before we execute the instruction in case of requests with NO_ACCESS flag set. My