On Thu, Jan 29, 2015 at 12:50 PM, Jason Ekstrand
wrote:
> total instructions in shared programs: 8026509 -> 8026469 (-0.00%)
> instructions in affected programs: 6338 -> 6298 (-0.63%)
> helped:11
>
Ignore those numbers. they're bogus. Here are the real ones:
total instructions in shared programs: 5998321 -> 5998287 (-0.00%)
instructions in affected programs: 4520 -> 4486 (-0.75%)
helped:8
> ---
> src/glsl/nir/nir_opt_algebraic.py | 5 +
> 1 file changed, 5 insertions(+)
>
> diff --git a/src/glsl/nir/nir_opt_algebraic.py
> b/src/glsl/nir/nir_opt_algebraic.py
> index 1dea42a..e3b309c 100644
> --- a/src/glsl/nir/nir_opt_algebraic.py
> +++ b/src/glsl/nir/nir_opt_algebraic.py
> @@ -117,6 +117,11 @@ optimizations = [
> (('frcp', ('frcp', a)), a),
> (('frcp', ('fsqrt', a)), ('frsq', a)),
> (('frcp', ('frsq', a)), ('fsqrt', a)),
> + # Boolean simplifications
> + (('ine', 'a@bool', 0), 'a'),
> + (('ieq', 'a@bool', 0), ('inot', 'a')),
> + (('bcsel', 'a@bool', True, False), 'a'),
> + (('bcsel', 'a@bool', False, True), ('inot', 'a')),
>
> # This one may not be exact
> (('feq', ('fadd', a, b), 0.0), ('feq', a, ('fneg', b))),
> --
> 2.2.2
>
>
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