[Mesa-dev] [PATCH v2] nir: add a comparison simplification
Samuel Pitoiset
samuel.pitoiset at gmail.com
Fri Mar 16 07:45:34 UTC 2018
shader stats?
On 03/16/2018 06:48 AM, Timothy Arceri wrote:
> These can be found in the Tomb Raider shaders, eliminating them
> helps unroll more loops.
> ---
> src/compiler/nir/nir_opt_algebraic.py | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
> index c9575e6be4..2148bc121b 100644
> --- a/src/compiler/nir/nir_opt_algebraic.py
> +++ b/src/compiler/nir/nir_opt_algebraic.py
> @@ -152,6 +152,7 @@ optimizations = [
> (('inot', ('ige', a, b)), ('ilt', a, b)),
> (('inot', ('ieq', a, b)), ('ine', a, b)),
> (('inot', ('ine', a, b)), ('ieq', a, b)),
> + (('ine', ('b2i', 'a at bool'), 0), 'a'),
>
> # 0.0 >= b2f(a)
> # b2f(a) <= 0.0
>
More information about the mesa-dev
mailing list