auto vectorization observations

[Siarhei Siamashka]

On Wednesday, 8 June 2022 at 18:41:44 UTC, Bruce Carneal wrote:
> As an example, gdc is able to vectorize the following for both 
> ARM SVE and x86-SIMD architectures while ldc, per my godbolt 
> testing at least, can not.

I was unable to confirm this: https://d.godbolt.org/z/Y9fEvn83e 
(neither GDC nor LDC can vectorize it). Could you please post a 
link to your godbolt results with the right compiler versions and 
optimization options?