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-rw-r--r--src/compiler/nir/nir_opt_algebraic.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index 622ce824b97..d40d59b5cdb 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -321,6 +321,8 @@ optimizations = [
(('~fexp2', ('fmul', ('flog2', a), b)), ('fpow', a, b), '!options->lower_fpow'), # 2^(lg2(a)*b) = a^b
(('~fexp2', ('fadd', ('fmul', ('flog2', a), b), ('fmul', ('flog2', c), d))),
('~fmul', ('fpow', a, b), ('fpow', c, d)), '!options->lower_fpow'), # 2^(lg2(a) * b + lg2(c) + d) = a^b * c^d
+ (('~fexp2', ('fmul', ('flog2', a), 2.0)), ('fmul', a, a)),
+ (('~fexp2', ('fmul', ('flog2', a), 4.0)), ('fmul', ('fmul', a, a), ('fmul', a, a))),
(('~fpow', a, 1.0), a),
(('~fpow', a, 2.0), ('fmul', a, a)),
(('~fpow', a, 4.0), ('fmul', ('fmul', a, a), ('fmul', a, a))),