From a38038ca5e329c074f67399a993a653c8e439cae Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 20 Feb 2015 01:18:46 -0800 Subject: [PATCH] nir: When faced with a csel on !condition, just flip the arguments. total NIR instructions in shared programs: 39426 -> 39411 (-0.04%) NIR instructions in affected programs: 3748 -> 3733 (-0.40%) Reviewed-by: Matt Turner Reviewed-by: Connor Abbott --- src/glsl/nir/nir_opt_algebraic.py | 1 + 1 file changed, 1 insertion(+) diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index ef3a0297457..c3a884bb1e6 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -85,6 +85,7 @@ optimizations = [ (('fge', ('fneg', ('fabs', a)), 0.0), ('feq', a, 0.0)), (('bcsel', ('flt', a, b), a, b), ('fmin', a, b)), (('bcsel', ('flt', a, b), b, a), ('fmax', a, b)), + (('bcsel', ('inot', 'a@bool'), b, c), ('bcsel', a, c, b)), (('fmin', ('fmax', a, 0.0), 1.0), ('fsat', a), '!options->lower_fsat'), (('fsat', a), ('fmin', ('fmax', a, 0.0), 1.0), 'options->lower_fsat'), (('fsat', ('fsat', a)), ('fsat', a)), -- 2.11.0