diff options
| author | Daniel Schürmann <daniel@schuermann.dev> | 2020-04-29 17:49:45 +0100 |
|---|---|---|
| committer | Marge Bot <eric+marge@anholt.net> | 2020-07-20 15:56:45 +0000 |
| commit | 8e1b75b330954a2e40e8ed0c04871e43120d4f4a (patch) | |
| tree | 91ee8c29feab4128e1dbf49f9bc5550b2c48fa25 | |
| parent | e4281dbecc69495d01ddf4b21cddc92085f1cae0 (diff) | |
nir/algebraic: optimize iand/ior of (n)eq zero
Found in some Detroit: Become Human shaders.
Totals from affected shaders:
SGPRS: 700256 -> 700256 (0.00 %)
VGPRS: 507208 -> 507212 (0.00 %)
Spilled SGPRs: 142531 -> 142531 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 0 -> 0 (0.00 %) dwords per thread
Code Size: 76404616 -> 76301768 (-0.13 %) bytes
LDS: 43 -> 43 (0.00 %) blocks
Max Waves: 21438 -> 21438 (0.00 %)
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4830>
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 507a4d397b7..3719d0cc8c6 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -646,8 +646,10 @@ optimizations.extend([ (('ine', ('ineg', ('b2i32', 'a@1')), ('ineg', ('b2i32', 'b@1'))), ('ine', a, b)), (('b2i32', ('ine', 'a@1', 'b@1')), ('b2i32', ('ixor', a, b))), - (('iand', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('ior', a, b), 0), '!options->lower_bitops'), - (('ior', ('ine', 'a@32', 0), ('ine', 'b@32', 0)), ('ine', ('ior', a, b), 0), '!options->lower_bitops'), + (('iand', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('umax', a, b), 0)), + (('ior', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('umin', a, b), 0)), + (('iand', ('ine', 'a@32', 0), ('ine', 'b@32', 0)), ('ine', ('umin', a, b), 0)), + (('ior', ('ine', 'a@32', 0), ('ine', 'b@32', 0)), ('ine', ('umax', a, b), 0)), # This pattern occurs coutresy of __flt64_nonnan in the soft-fp64 code. # The first part of the iand comes from the !__feq64_nonnan. |