[Mesa-dev] [PATCH 4/5] i965/fs: Remove incorrect note of writing attr in centroid workaround.

[Matt Turner]

On Wed, Apr 10, 2013 at 11:54 AM, Eric Anholt <eric at anholt.net> wrote:
> This instruction doesn't update its IR destination, it just moves from
> payload to f0.  This caused the dead code elimination pass I'm adding to
> dead-code-eliminate the first step of interpolation.

This was because it had a destination that was never read?