From: Matt Turner Date: Wed, 6 May 2015 03:25:07 +0000 (-0700) Subject: nir: Recognize (a < c || b < c) as min(a, b) < c. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f5cf74d8ba8c;p=mesa.git nir: Recognize (a < c || b < c) as min(a, b) < c. ... and (a >= c) || (b >= c) as max(a, b) >= c. Similar to commit 97e6c1b9. total instructions in shared programs: 6182276 -> 6182180 (-0.00%) instructions in affected programs: 6400 -> 6304 (-1.50%) helped: 68 HURT: 4 Reviewed-by: Jordan Justen Reviewed-by: Glenn Kennard --- diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index 42f4f479412..b0a1f243852 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -101,7 +101,9 @@ optimizations = [ (('fsat', ('fsat', a)), ('fsat', a)), (('fmin', ('fmax', ('fmin', ('fmax', a, 0.0), 1.0), 0.0), 1.0), ('fmin', ('fmax', a, 0.0), 1.0)), (('ior', ('flt', a, b), ('flt', a, c)), ('flt', a, ('fmax', b, c))), + (('ior', ('flt', a, c), ('flt', b, c)), ('flt', ('fmin', a, b), c)), (('ior', ('fge', a, b), ('fge', a, c)), ('fge', a, ('fmin', b, c))), + (('ior', ('fge', a, c), ('fge', b, c)), ('fge', ('fmax', a, b), c)), (('slt', a, b), ('b2f', ('flt', a, b)), 'options->lower_scmp'), (('sge', a, b), ('b2f', ('fge', a, b)), 'options->lower_scmp'), (('seq', a, b), ('b2f', ('feq', a, b)), 'options->lower_scmp'),