[llvm-dev] x86 and GPU backend support for irregular accesses

Tobias Grosser via llvm-dev llvm-dev at lists.llvm.org
Mon Feb 20 08:25:52 PST 2017


On Mon, Feb 20, 2017, at 05:19 PM, SANJAY SRIVALLABH SINGAPURAM via
llvm-dev wrote:
> Hello !
> 
> Does the x86 back-end generate gather-scatter instructions for
> LLVM gather-scatter intrinsics ?
> 
> Also, do the NVPTX and AMDGPU back-ends generate equivalent instructions
> for GPUs ?

Dear Sanjay,

I suggest to just try this out. Create a simple test case and see what
kind of assembly code is generated. Interesting will certainly be the
AVX512 instructions for Xeon PHI.

Best,
Tobias

> 
> Thank You,
> Sanjay
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