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3fd835f6fd
The path taken in fs_visitor::swizzle_nir_scratch_addr for DG2 generates
some AND and OR instructions before the SHL. This commit folds those so
the whold calculation becomes a constant (like on older platforms).
v2: Fix return type of src_as_uint. Noticed by Marcin.
shader-db results:
DG2
total instructions in shared programs: 23190475 -> 23179540 (-0.05%)
instructions in affected programs: 36026 -> 25091 (-30.35%)
helped: 7 / HURT: 0
total cycles in shared programs: 841196807 -> 841142563 (<.01%)
cycles in affected programs: 1660670 -> 1606426 (-3.27%)
helped: 7 / HURT: 0
No shader-db changes on any older Intel platforms.
fossil-db results:
DG2
Totals:
Instrs: 197780372 -> 197773966 (-0.00%)
Cycles: 14066410782 -> 14066399378 (-0.00%); split: -0.00%, +0.00%
Subgroup size: 8438104 -> 8438112 (+0.00%)
Send messages: 8049445 -> 8049446 (+0.00%)
Scratch Memory Size: 14263296 -> 14264320 (+0.01%)
Totals from 9 (0.00% of 668055) affected shaders:
Instrs: 24547 -> 18141 (-26.10%)
Cycles: 1984791 -> 1973387 (-0.57%); split: -0.98%, +0.40%
Subgroup size: 88 -> 96 (+9.09%)
Send messages: 867 -> 868 (+0.12%)
Scratch Memory Size: 69632 -> 70656 (+1.47%)
No fossil-db changes on any older Intel platforms.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
(cherry picked from commit
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| .. | ||
| blorp | ||
| ci | ||
| common | ||
| compiler | ||
| dev | ||
| ds | ||
| genxml | ||
| isl | ||
| nullhw-layer | ||
| perf | ||
| tools | ||
| vulkan | ||
| vulkan_hasvk | ||
| meson.build | ||