[Mesa-dev] [PATCH 09/12] nir: Add lowering support for packing opcodes.

[Matt Turner]

On Thu, Jan 28, 2016 at 10:43 AM, Jason Ekstrand <jason at jlekstrand.net> wrote:
> That's not quite correct. 1 means exactly one component while a destination
> size of 0 means that it's a vectorizable operation.  All 0-sized sources
> automatically take on the size of the destination.  This is how most
> standard ALU opcodes work.

Ah, okay. I'll fix this patch to use 1 then.