From ceb8b739ce37ee041b903643656d9d16c371ff95 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Tue, 5 May 2015 20:20:30 -0700 Subject: [PATCH] nir: Recognize trivial min/max. No changes, but does prevent some regressions in the next commit. Reviewed-by: Jordan Justen Reviewed-by: Glenn Kennard --- src/glsl/nir/nir_opt_algebraic.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index fda4bd5..42f4f47 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -90,6 +90,12 @@ optimizations = [ (('bcsel', ('flt', a, b), b, a), ('fmax', a, b)), (('bcsel', ('inot', 'a@bool'), b, c), ('bcsel', a, c, b)), (('bcsel', a, ('bcsel', a, b, c), d), ('bcsel', a, b, d)), + (('fmin', a, a), a), + (('fmax', a, a), a), + (('imin', a, a), a), + (('imax', a, a), a), + (('umin', a, a), a), + (('umax', a, a), a), (('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)), -- 2.7.4