diff options
Diffstat (limited to 'src/compiler/nir/nir_opt_algebraic.py')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index c4f46b56d95..9aeafcb8c46 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -455,6 +455,14 @@ optimizations = [ (('iabs', ('b2i', a)), ('b2i', a)), (('inot', ('f2b', a)), ('feq', a, 0.0)), + # Ironically, mark these as imprecise because removing the conversions may + # preserve more precision than doing the conversions (e.g., + # uint(float(0x81818181u)) == 0x81818200). + (('~f2i32', ('i2f32', 'a@32')), a), + (('~f2i32', ('u2f32', 'a@32')), a), + (('~f2u32', ('i2f32', 'a@32')), a), + (('~f2u32', ('u2f32', 'a@32')), a), + # Packing and then unpacking does nothing (('unpack_64_2x32_split_x', ('pack_64_2x32_split', a, b)), a), (('unpack_64_2x32_split_y', ('pack_64_2x32_split', a, b)), b), |