> We can go with a private vect_gimple_build function until we sort out the API
> issue to unblock Tamar (I'll reply to Richards reply with further thoughts on
> this)
> 

Done.

> > Similarly are you ok with the use of gimple_extract_op? I would lean
> towards using it as it is cleaner, but I don't have strong feelings.
> 
> I don't like using gimple_extract_op here, I think I outlined a variant that is
> even shorter.
> 

Done.

Updated patches attached, bootstrapped and regression tested on aarch64.

Tomorrow is my last working day at Arm, so it will likely be Andre that commits this/addresses any further comments.