Ian Romanick
1b8cf06fc7
nir/algebraic: Optimize some extract_* expressions
v2: Add missing '!options->lower_extract_byte' to the last two
patterns. Every driver except Asahi sets both or neither.
shader-db:
All Intel platforms had similar results. (DG2 shown)
total instructions in shared programs: 19659360 -> 19659356 (<.01%)
instructions in affected programs: 44 -> 40 (-9.09%)
helped: 2 / HURT: 0
total cycles in shared programs: 823432524 -> 823432520 (<.01%)
cycles in affected programs: 1722 -> 1718 (-0.23%)
helped: 2 / HURT: 0
fossil-db:
All Intel platforms had similar results. (DG2 shown)
Totals:
Instrs: 153989787 -> 153989617 (-0.00%)
Cycle count: 17562079230 -> 17562079493 (+0.00%); split: -0.00%, +0.00%
Totals from 24 (0.00% of 631369) affected shaders:
Instrs: 13733 -> 13563 (-1.24%)
Cycle count: 341392 -> 341655 (+0.08%); split: -0.25%, +0.33%
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com> [v1]
Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27891>
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