diff options
Diffstat (limited to 'src/compiler/nir/nir_opt_algebraic.py')
| -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 fe6e33d3139..df5854270c4 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -357,6 +357,17 @@ optimizations = [ (('~fadd', '#a', ('fadd', b, '#c')), ('fadd', ('fadd', a, c), b)), (('iadd', '#a', ('iadd', b, '#c')), ('iadd', ('iadd', a, c), b)), + # By definition... + (('bcsel', ('ige', ('find_lsb', a), 0), ('find_lsb', a), -1), ('find_lsb', a)), + (('bcsel', ('ige', ('ifind_msb', a), 0), ('ifind_msb', a), -1), ('ifind_msb', a)), + (('bcsel', ('ige', ('ufind_msb', a), 0), ('ufind_msb', a), -1), ('ufind_msb', a)), + + (('bcsel', ('ine', a, 0), ('find_lsb', a), -1), ('find_lsb', a)), + (('bcsel', ('ine', a, 0), ('ifind_msb', a), -1), ('ifind_msb', a)), + (('bcsel', ('ine', a, 0), ('ufind_msb', a), -1), ('ufind_msb', a)), + + (('bcsel', ('ine', a, -1), ('ifind_msb', a), -1), ('ifind_msb', a)), + # Misc. lowering (('fmod@32', a, b), ('fsub', a, ('fmul', b, ('ffloor', ('fdiv', a, b)))), 'options->lower_fmod32'), (('fmod@64', a, b), ('fsub', a, ('fmul', b, ('ffloor', ('fdiv', a, b)))), 'options->lower_fmod64'), |