Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
---
src/compiler/nir/nir.h | 1 +
src/compiler/nir/nir_opt_algebraic.py | 1 +
2 files changed, 2 insertions(+)
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 19056e79206..adcc8e36cc9 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -2106,6 +2106,7 @@ typedef struct nir_shader_compiler_options {
bool lower_fdiv;
bool lower_ffma;
bool fuse_ffma;
+ bool lower_flrp16;
bool lower_flrp32;
/** Lowers flrp when it does not support doubles */
bool lower_flrp64;
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index cd969de1f88..40eb3de02c3 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -124,6 +124,7 @@ optimizations = [
(('~flrp', 0.0, a, b), ('fmul', a, b)),
(('~flrp', a, b, ('b2f', 'c@1')), ('bcsel', c, b, a),
'options->lower_flrp32'),
(('~flrp', a, 0.0, c), ('fadd', ('fmul', ('fneg', a), c), a)),
+ (('flrp@16', a, b, c), ('fadd', ('fmul', c, ('fsub', b, a)), a),
'options->lower_flrp16'),
(('flrp@32', a, b, c), ('fadd', ('fmul', c, ('fsub', b, a)), a),
'options->lower_flrp32'),
(('flrp@64', a, b, c), ('fadd', ('fmul', c, ('fsub', b, a)), a),
'options->lower_flrp64'),
(('ffloor', a), ('fsub', a, ('ffract', a)), 'options->lower_ffloor'),
--
2.17.1
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