On 10/20/2016 12:07 PM, Pranith Kumar wrote:
On Thu, Oct 20, 2016 at 3:02 PM, Richard Henderson wrote:
On 10/20/2016 11:58 AM, Pranith Kumar wrote:
Indeed, I was looking at atomic-6 on github. atomic-7 is not there yet :)
I've rebased atomic-6 (no -7). It should be there.
Am I looking
On Thu, Oct 20, 2016 at 3:02 PM, Richard Henderson wrote:
> On 10/20/2016 11:58 AM, Pranith Kumar wrote:
>>
>> Indeed, I was looking at atomic-6 on github. atomic-7 is not there yet :)
>
>
> I've rebased atomic-6 (no -7). It should be there.
>
Am I looking at the right file?
https://github.com/
On 10/20/2016 11:58 AM, Pranith Kumar wrote:
Indeed, I was looking at atomic-6 on github. atomic-7 is not there yet :)
I've rebased atomic-6 (no -7). It should be there.
r~
On Thu, Oct 20, 2016 at 2:00 PM, Richard Henderson wrote:
> On 10/20/2016 10:51 AM, Pranith Kumar wrote:
>>>
>>> Added back
>>>
>>> /* Load/Store exclusive instructions are implemented by remembering
>>>the value/address loaded, and seeing if these are the same
>>>when the store is perform
On 10/20/2016 10:51 AM, Pranith Kumar wrote:
Added back
/* Load/Store exclusive instructions are implemented by remembering
the value/address loaded, and seeing if these are the same
when the store is performed. This should be sufficient to implement
the architecturally mandated semant
On Wed, Sep 14, 2016 at 12:38 PM, Richard Henderson wrote:
> On 09/14/2016 09:03 AM, Alex Bennée wrote:
>>> > -/* Load/Store exclusive instructions are implemented by remembering
>>> > - the value/address loaded, and seeing if these are the same
>>> > - when the store is performed. This should
On 09/14/2016 09:03 AM, Alex Bennée wrote:
>> > -/* Load/Store exclusive instructions are implemented by remembering
>> > - the value/address loaded, and seeing if these are the same
>> > - when the store is performed. This should be sufficient to implement
>> > - the architecturally mandated
Richard Henderson writes:
> From: "Emilio G. Cota"
>
> Emulating LL/SC with cmpxchg is not correct, since it can
> suffer from the ABA problem. Portable parallel code, however,
> is written assuming only cmpxchg--and not LL/SC--is available.
> This means that in practice emulating LL/SC with cm
From: "Emilio G. Cota"
Emulating LL/SC with cmpxchg is not correct, since it can
suffer from the ABA problem. Portable parallel code, however,
is written assuming only cmpxchg--and not LL/SC--is available.
This means that in practice emulating LL/SC with cmpxchg is
a viable alternative.
The appe
