diff options
author | Matt Turner <[email protected]> | 2014-06-28 18:00:27 -0700 |
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committer | Matt Turner <[email protected]> | 2014-06-30 22:31:05 -0700 |
commit | bcbb7c41b75aa780f93f32937697c2999ff2eb36 (patch) | |
tree | d5794d0bc35cd49fd27fa3a3227591963b05064b /src/glx/.gitignore | |
parent | e58992aedd9693f0356f3691d510a5e976473a0c (diff) |
i965/fs: Let sat-prop ignore live ranges if producer already has sat.
This sequence (where both x and w are used afterwards) wasn't handled.
mul.sat x, y, z
...
mov.sat w, x
We assumed that if x was used after the mov.sat, that we couldn't
propagate the saturate modifier, but in fact x was already saturated.
So ignore the live range check if the producing instruction already
saturates its result. Cuts one instruction from hundreds of TF2 shaders.
total instructions in shared programs: 1995631 -> 1994951 (-0.03%)
instructions in affected programs: 155248 -> 154568 (-0.44%)
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/glx/.gitignore')
0 files changed, 0 insertions, 0 deletions