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-rw-r--r--src/compiler/nir/nir.h1
-rw-r--r--src/compiler/nir/nir_opt_algebraic.py1
-rw-r--r--src/intel/compiler/brw_compiler.c1
3 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index ee766d5238a..92b17275b45 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -2163,6 +2163,7 @@ 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 ddd8d40676f..78e273d0e64 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -128,6 +128,7 @@ 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'),
diff --git a/src/intel/compiler/brw_compiler.c b/src/intel/compiler/brw_compiler.c
index b588d5be97b..a3a0a393fad 100644
--- a/src/intel/compiler/brw_compiler.c
+++ b/src/intel/compiler/brw_compiler.c
@@ -33,6 +33,7 @@
.lower_sub = true, \
.lower_fdiv = true, \
.lower_scmp = true, \
+ .lower_flrp16 = true, \
.lower_fmod16 = true, \
.lower_fmod32 = true, \
.lower_fmod64 = false, \