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5 commits

Author SHA1 Message Date
Rhys Perry
50f7e21481 nir: make fdph lowering match fdot 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20812>
 2023-03-08 14:38:26 +00:00
Rhys Perry
3668da7c83 nir: use xyzw order for precise fdot 
Fixes flickering grass in Immortals Fenyx Rising.

fossil-db (gfx1100):
Totals from 13969 (10.38% of 134574) affected shaders:
MaxWaves: 442794 -> 442878 (+0.02%)
Instrs: 4861105 -> 4901408 (+0.83%); split: -0.02%, +0.85%
CodeSize: 24316100 -> 24396272 (+0.33%); split: -0.03%, +0.35%
VGPRs: 446256 -> 445572 (-0.15%); split: -0.20%, +0.05%
Latency: 28122456 -> 28162233 (+0.14%); split: -0.10%, +0.24%
InvThroughput: 2899673 -> 2904323 (+0.16%); split: -0.07%, +0.23%
VClause: 119599 -> 119631 (+0.03%); split: -0.07%, +0.09%
SClause: 186636 -> 186265 (-0.20%); split: -0.23%, +0.03%
Copies: 301370 -> 300386 (-0.33%); split: -0.75%, +0.42%
Branches: 85066 -> 85047 (-0.02%); split: -0.02%, +0.00%
PreSGPRs: 436167 -> 436137 (-0.01%)
PreVGPRs: 329715 -> 329809 (+0.03%); split: -0.01%, +0.04%

fossil-db (gfx1100, RADV_DEBUG=invariantgeom):
Totals from 43116 (32.04% of 134574) affected shaders:
MaxWaves: 1332938 -> 1333012 (+0.01%); split: +0.01%, -0.00%
Instrs: 16424513 -> 16658021 (+1.42%); split: -0.06%, +1.48%
CodeSize: 81258868 -> 81827860 (+0.70%); split: -0.07%, +0.77%
VGPRs: 1720368 -> 1719648 (-0.04%); split: -0.19%, +0.15%
SpillSGPRs: 1670 -> 1600 (-4.19%); split: -5.27%, +1.08%
Latency: 82063766 -> 82425418 (+0.44%); split: -0.23%, +0.67%
InvThroughput: 9665803 -> 9727810 (+0.64%); split: -0.09%, +0.73%
VClause: 449662 -> 451099 (+0.32%); split: -0.32%, +0.64%
SClause: 498841 -> 498639 (-0.04%); split: -0.24%, +0.20%
Copies: 1001020 -> 1000770 (-0.02%); split: -1.20%, +1.17%
Branches: 237580 -> 239637 (+0.87%); split: -0.01%, +0.88%
PreSGPRs: 1198167 -> 1198024 (-0.01%); split: -0.01%, +0.00%
PreVGPRs: 1225202 -> 1225035 (-0.01%); split: -0.06%, +0.05%

fossil-db (navi10):
Totals from 13969 (10.38% of 134563) affected shaders:
MaxWaves: 474386 -> 474508 (+0.03%); split: +0.05%, -0.03%
Instrs: 3740895 -> 3771566 (+0.82%); split: -0.00%, +0.82%
CodeSize: 19426592 -> 19459916 (+0.17%); split: -0.00%, +0.18%
VGPRs: 389916 -> 389852 (-0.02%); split: -0.09%, +0.07%
Latency: 25452927 -> 25502482 (+0.19%); split: -0.14%, +0.34%
InvThroughput: 3880807 -> 3923144 (+1.09%); split: -0.07%, +1.16%
VClause: 66835 -> 66712 (-0.18%); split: -0.38%, +0.20%
SClause: 178805 -> 178802 (-0.00%); split: -0.01%, +0.01%
Copies: 167601 -> 167625 (+0.01%); split: -0.54%, +0.56%
Branches: 83788 -> 83784 (-0.00%)
PreSGPRs: 388229 -> 388216 (-0.00%)
PreVGPRs: 342984 -> 343062 (+0.02%); split: -0.01%, +0.03%

fossil-db (navi10, RADV_DEBUG=invariantgeom):
Totals from 43116 (32.04% of 134563) affected shaders:
MaxWaves: 1260184 -> 1256414 (-0.30%); split: +0.10%, -0.40%
Instrs: 12804951 -> 12983628 (+1.40%); split: -0.01%, +1.41%
CodeSize: 65813224 -> 66137852 (+0.49%); split: -0.03%, +0.52%
VGPRs: 1556396 -> 1561340 (+0.32%); split: -0.09%, +0.41%
SpillSGPRs: 1377 -> 1395 (+1.31%)
Latency: 76095867 -> 76355111 (+0.34%); split: -0.32%, +0.66%
InvThroughput: 13546863 -> 13788789 (+1.79%); split: -0.05%, +1.84%
VClause: 310910 -> 311283 (+0.12%); split: -0.63%, +0.75%
SClause: 474878 -> 474941 (+0.01%); split: -0.09%, +0.10%
Copies: 639367 -> 637610 (-0.27%); split: -1.03%, +0.76%
Branches: 240178 -> 240185 (+0.00%); split: -0.00%, +0.00%
PreSGPRs: 1056594 -> 1056590 (-0.00%); split: -0.00%, +0.00%
PreVGPRs: 1247950 -> 1247798 (-0.01%); split: -0.05%, +0.04%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/7920
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20812>
 2023-03-08 14:38:26 +00:00
Marek Olšák
b80bd58265 nir: skip nir_op_unpack_32_4x8 in nir_lower_alu_width 
The pass can't handle it just like the other unpack opcodes and generates
invalid NIR.

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19399>
 2023-03-03 03:27:40 +00:00
Rhys Perry
aa2d6e020b Revert "nir: Drop the unused instr arg for src/dest copy functions." 
This reverts commit c3a0184118.

Acked-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12910>
 2022-08-30 18:21:44 +00:00
Daniel Schürmann
be01e8711b nir: introduce new nir_alu_alu_width() with nir_vectorize_cb callback 
This function allows to only scalarize instructions down to a desired
vectorization width. nir_lower_alu_to_scalar() was changed to use the
new function with a width of 1.

Swizzles outside vectorization width are considered and reduce
the target width.

This prevents ending up with code like
  vec2 16 ssa_2 = iadd ssa_0.xz, ssa_1.xz

which requires to emit shuffle code in backends
and usually is not beneficial.

Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13080>
 2022-06-01 11:41:44 +00:00
Renamed from src/compiler/nir/nir_lower_alu_to_scalar.c (Browse further)