[Mesa-dev] [PATCH 2/5] i965/fs: Don't [un]spill multiple registers at a time in SIMD8 mode

[Matt Turner]

On Fri, Oct 24, 2014 at 12:25 PM, Jason Ekstrand <jason at jlekstrand.net> wrote:
> I thought this would be a clever way to make spilling less expensive.
> However, it appears that the oword read/write messages we are using for
> spilling ignore the execution size and assume SIMD16 whenever working with
> more than one register.

What do you mean by "assume SIMD16"?