From: Timothy Arceri
Since we know what side of the branch we ended up on we can just
replace the use with a constant.
All the spill changes in shader-db are from Dolphin uber shaders,
despite some small regressions the change is clearly positive.
V2: insert new constant after any phis in the
On 19/06/18 08:40, Ian Romanick wrote:
On 06/17/2018 05:15 PM, Timothy Arceri wrote:
Since we know what side of the branch we ended up on we can just
replace the use with a constant.
All helped shaders are from Unreal Engine 4 besides one shader from
Dirt Showdown.
shader-db results SKL:
tota
On 06/17/2018 05:15 PM, Timothy Arceri wrote:
> Since we know what side of the branch we ended up on we can just
> replace the use with a constant.
>
> All helped shaders are from Unreal Engine 4 besides one shader from
> Dirt Showdown.
>
> shader-db results SKL:
>
> total instructions in shared
Since we know what side of the branch we ended up on we can just
replace the use with a constant.
All helped shaders are from Unreal Engine 4 besides one shader from
Dirt Showdown.
shader-db results SKL:
total instructions in shared programs: 13219725 -> 13219643 (<.01%)
instructions in affected
All helped shaders are fromm Unreal Engine 4 besides one shader from
Dirt Showdown.
shader-db results BDW:
total instructions in shared programs: 12985186 -> 12985112 (-0.00%)
instructions in affected programs: 26523 -> 26449 (-0.28%)
helped: 43
HURT: 0
total cycles in shared programs: 246851202
