Otherwise the code size increases because the original fexp2()
instructions can't be deleted.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/compiler/nir/nir_opt_algebraic.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index b30d1df199..d40d59b5cd 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -336,7 +336,7 @@ optimizations = [
(('~flog2', ('frcp', a)), ('fneg', ('flog2', a))),
(('~flog2', ('frsq', a)), ('fmul', -0.5, ('flog2', a))),
(('~flog2', ('fpow', a, b)), ('fmul', b, ('flog2', a))),
- (('~fmul', ('fexp2', a), ('fexp2', b)), ('fexp2', ('fadd', a, b))),
+ (('~fmul', ('fexp2(is_used_once)', a), ('fexp2(is_used_once)', b)),
('fexp2', ('fadd', a, b))),
# Division and reciprocal
(('~fdiv', 1.0, a), ('frcp', a)),
(('fdiv', a, b), ('fmul', a, ('frcp', b)), 'options->lower_fdiv'),
--
2.16.1
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