diff options
Diffstat (limited to 'src/compiler/nir')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 0f0896be5df..37cb700d6ac 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -119,6 +119,17 @@ optimizations = [ (('~fadd@64', a, ('fmul', c , ('fadd', b, ('fneg', a)))), ('flrp', a, b, c), '!options->lower_flrp64'), (('ffma', a, b, c), ('fadd', ('fmul', a, b), c), 'options->lower_ffma'), (('~fadd', ('fmul', a, b), c), ('ffma', a, b, c), 'options->fuse_ffma'), + + # (a * #b + #c) << #d + # ((a * #b) << #d) + (#c << #d) + # (a * (#b << #d)) + (#c << #d) + (('ishl', ('iadd', ('imul', a, '#b'), '#c'), '#d'), + ('iadd', ('imul', a, ('ishl', b, d)), ('ishl', c, d))), + + # (a * #b) << #c + # a * (#b << #c) + (('ishl', ('imul', a, '#b'), '#c'), ('imul', a, ('ishl', b, c))), + # Comparison simplifications (('~inot', ('flt', a, b)), ('fge', a, b)), (('~inot', ('fge', a, b)), ('flt', a, b)), |