On 9/17/19 6:55 AM, Wilco Dijkstra wrote:
> Hi Kyrill,
>
>>> When you select a CPU the goal is that we optimize and schedule for that
>>> specific microarchitecture. That implies using atomics that work best for
>>> that core rather than outlining them.
>>
>> I think we want to go ahead with this
Hi Kyrill,
>> When you select a CPU the goal is that we optimize and schedule for that
>> specific microarchitecture. That implies using atomics that work best for
>> that core rather than outlining them.
>
> I think we want to go ahead with this framework to enable the portable
> deployment of L
On 9/16/19 12:58 PM, Wilco Dijkstra wrote:
Hi Richard,
>> So what is the behaviour when you explicitly select a specific CPU?
>
> Selecting a specific cpu selects the specific architecture that the cpu
> supports, does it not? Thus the architecture example above still
applies.
>
> Unless I
Hi Richard,
>> So what is the behaviour when you explicitly select a specific CPU?
>
> Selecting a specific cpu selects the specific architecture that the cpu
> supports, does it not? Thus the architecture example above still applies.
>
> Unless I don't understand what distinction that you're mak
On 9/5/19 10:35 AM, Wilco Dijkstra wrote:
> Agreed. I've got a couple of general comments:
>
> * The option name -matomic-ool sounds too abbreviated. I think eg.
> -moutline-atomics is more descriptive and user friendlier.
Changed.
> * Similarly the exported __aa64_have_atomics variable could be
Hi Richard,
>What I have not done, but is now a possibility, is to use a custom
>calling convention for the out-of-line routines. I now only clobber
>2 (or 3, for TImode) temp regs and set a return value.
This would be a great feature to have since it reduces the overhead of
outlinin
Hi Richard,
On 11/1/18 9:46 PM, Richard Henderson wrote:
From: Richard Henderson
Changes since v2:
* Committed half of the patch set.
* Split inline TImode support from out-of-line patches.
* Removed the ST out-of-line functions, to match inline.
* Moved the out-of-line functions to as
Ping.
On 11/1/18 10:46 PM, Richard Henderson wrote:
> From: Richard Henderson
>
> Changes since v2:
> * Committed half of the patch set.
> * Split inline TImode support from out-of-line patches.
> * Removed the ST out-of-line functions, to match inline.
> * Moved the out-of-line function
From: Richard Henderson
Changes since v2:
* Committed half of the patch set.
* Split inline TImode support from out-of-line patches.
* Removed the ST out-of-line functions, to match inline.
* Moved the out-of-line functions to assembly.
What I have not done, but is now a possibility, is
