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authorMatt Turner <[email protected]>2015-03-26 10:36:42 -0700
committerMatt Turner <[email protected]>2015-04-01 13:43:57 -0700
commite26783d4459583790e50e1f59eb2507f618695c6 (patch)
treeba8bd9757eddb9e61415c16ccf8c1d1bf432ec74 /src/glsl/nir
parente82437e14153af212006deee4a6b808091314482 (diff)
nir: Recognize another open coded lrp.
total instructions in shared programs: 6195924 -> 6195768 (-0.00%) instructions in affected programs: 4876 -> 4720 (-3.20%) helped: 58 HURT: 10 Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/glsl/nir')
-rw-r--r--src/glsl/nir/nir_opt_algebraic.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py
index 368ec7f3e52..5b84a4e1cd8 100644
--- a/src/glsl/nir/nir_opt_algebraic.py
+++ b/src/glsl/nir/nir_opt_algebraic.py
@@ -77,6 +77,7 @@ optimizations = [
(('flrp', 0.0, a, b), ('fmul', a, b)),
(('flrp', a, b, c), ('fadd', ('fmul', c, ('fsub', b, a)), a), 'options->lower_flrp'),
(('fadd', ('fmul', a, ('fadd', 1.0, ('fneg', c))), ('fmul', b, c)), ('flrp', a, b, c), '!options->lower_flrp'),
+ (('fadd', a, ('fmul', c, ('fadd', b, ('fneg', a)))), ('flrp', a, b, c), '!options->lower_flrp'),
(('ffma', a, b, c), ('fadd', ('fmul', a, b), c), 'options->lower_ffma'),
(('fadd', ('fmul', a, b), c), ('ffma', a, b, c), '!options->lower_ffma'),
# Comparison simplifications