[Mesa-dev] [PATCH 7/9] nir: Fix broken fsat recognizer.

[Jason Ekstrand]

Reviewed-by: Jason Ekstrand <jason.ekstrand at intel.com>
On Feb 1, 2015 1:17 PM, "Eric Anholt" <eric at anholt.net> wrote:

> We've probably never seen this ridiculous pattern in the wild, so it
> didn't matter.
> ---
>  src/glsl/nir/nir_opt_algebraic.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/glsl/nir/nir_opt_algebraic.py
> b/src/glsl/nir/nir_opt_algebraic.py
> index 8a14fe0..84c60ec 100644
> --- a/src/glsl/nir/nir_opt_algebraic.py
> +++ b/src/glsl/nir/nir_opt_algebraic.py
> @@ -83,7 +83,7 @@ optimizations = [
>     (('feq', ('fadd', a, b), 0.0), ('feq', a, ('fneg', b))),
>     (('fne', ('fadd', a, b), 0.0), ('fne', a, ('fneg', b))),
>     (('fge', ('fneg', ('fabs', a)), 0.0), ('feq', a, 0.0)),
> -   (('fmin', ('fmax', a, 1.0), 0.0), ('fsat', a)),
> +   (('fmin', ('fmax', a, 0.0), 1.0), ('fsat', a)),
>     # Logical and bit operations
>     (('fand', a, 0.0), 0.0),
>     (('iand', a, a), a),
> --
> 2.1.4
>
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