i965/fs: Remove incorrect note of writing attr in centroid workaround.
authorEric Anholt <eric@anholt.net>
Tue, 9 Apr 2013 01:46:23 +0000 (18:46 -0700)
committerEric Anholt <eric@anholt.net>
Fri, 12 Apr 2013 23:32:12 +0000 (16:32 -0700)
commit36d0fde603015066fce0ff37fd9be609800243e8
tree0931c899e483fc81528eb017a8a684b622507586
parent2cb7f1e766d28dd238274f74d9568ab4438c4965
i965/fs: Remove incorrect note of writing attr in centroid workaround.

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.

Reviewed-by: Matt Turner <mattst88@gmail.com>
src/mesa/drivers/dri/i965/brw_fs.cpp