diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 422a8794d38..cc747250ba5 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -751,6 +751,23 @@ for left, right in itertools.combinations_with_replacement(invert.keys(), 2): optimizations.append((('inot', ('iand(is_used_once)', (left, a, b), (right, c, d))), ('ior', (invert[left], a, b), (invert[right], c, d)))) +# Optimize x2yN(b2x(x)) -> b2y +optimizations.append((('f2b', ('b2f', a)), a)) +optimizations.append((('i2b', ('b2i', a)), a)) +for x, y in itertools.product(['f', 'u', 'i'], ['f', 'u', 'i']): + if x != 'f' and y != 'f' and x != y: + continue + + b2x = 'b2f' if x == 'f' else 'b2i' + b2y = 'b2f' if y == 'f' else 'b2i' + + for N in [8, 16, 32, 64]: + if y == 'f' and N == 8: + continue + + x2yN = '{}2{}{}'.format(x, y, N) + optimizations.append(((x2yN, (b2x, a)), (b2y, a))) + def fexp2i(exp, bits): # We assume that exp is already in the right range. if bits == 32: |