[cfe-dev] [RFC] Support intel_reqd_sub_group_size attribute

[Hal Finkel via cfe-dev]

Hi Xiuli,

This looks like a simple attribute to parse, 
__attribute__((intel_reqd_sub_group_size(<int>))), and I don't see why 
this would be controversial. I recommend just sending a patch for review.

  -Hal


On 02/28/2017 12:55 AM, Pan Xiuli via cfe-dev wrote:
>
> Hi Anastasia,
>
> We are now enabling some Intel OpenCL extension and find in extension 
> cl_intel_required_subgroup_size 
> (https://www.khronos.org/registry/OpenCL/extensions/intel/cl_intel_required_subgroup_size.txt) 
> has an attribute intel_reqd_sub_group_size that is very useful for 
> intel subgroup usage and does not supported by clang now. And I want 
> to send a patch to enable it, what do you think about this?
>
> Thanks
>
> Xiuli
>
>
>
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-- 
Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory

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