Ian Romanick
1a7593ed36
v2: Fix for Xe2. v3: Add a comment explaining the use of bld instead of xbld. Suggested by Ken. Fix a bug in handing is_scalar source. Noticed by me while applying Ken's review feedback. shader-db: Lunar Lake, Meteor Lake, DG2, and Tiger Lake had similar results. (Lunar Lake shown) total instructions in shared programs: 18228657 -> 18228689 (<.01%) instructions in affected programs: 9333 -> 9365 (0.34%) helped: 2 / HURT: 26 total cycles in shared programs: 932511560 -> 932542994 (<.01%) cycles in affected programs: 2263040 -> 2294474 (1.39%) helped: 7 / HURT: 27 Ice Lake and Skylake had similar results. (Ice Lake shown) total instructions in shared programs: 20700370 -> 20700392 (<.01%) instructions in affected programs: 18579 -> 18601 (0.12%) helped: 1 / HURT: 28 total cycles in shared programs: 888385851 -> 888386325 (<.01%) cycles in affected programs: 2571368 -> 2571842 (0.02%) helped: 14 / HURT: 6 total spills in shared programs: 4373 -> 4371 (-0.05%) spills in affected programs: 71 -> 69 (-2.82%) helped: 1 / HURT: 0 total fills in shared programs: 4657 -> 4653 (-0.09%) fills in affected programs: 196 -> 192 (-2.04%) helped: 1 / HURT: 0 fossil-db: Lunar Lake Totals: Instrs: 142887258 -> 142890605 (+0.00%); split: -0.00%, +0.00% Cycle count: 21653599282 -> 21655049536 (+0.01%); split: -0.00%, +0.01% Max live registers: 47942973 -> 47942837 (-0.00%) Totals from 22209 (4.01% of 553251) affected shaders: Instrs: 4337679 -> 4341026 (+0.08%); split: -0.00%, +0.08% Cycle count: 261852040 -> 263302294 (+0.55%); split: -0.38%, +0.93% Max live registers: 1299670 -> 1299534 (-0.01%) Meteor Lake, DG2, Tiger Lake, and Skylake had similar results. (Meteor Lake shown) Totals: Instrs: 156599915 -> 156590882 (-0.01%); split: -0.01%, +0.00% Cycle count: 16940072009 -> 16940902317 (+0.00%); split: -0.01%, +0.01% Max live registers: 32610801 -> 32610488 (-0.00%) Max dispatch width: 5730736 -> 5731744 (+0.02%); split: +0.12%, -0.11% Totals from 35528 (5.52% of 643617) affected shaders: Instrs: 6175409 -> 6166376 (-0.15%); split: -0.21%, +0.06% Cycle count: 230679923 -> 231510231 (+0.36%); split: -0.46%, +0.82% Max live registers: 1354716 -> 1354403 (-0.02%) Max dispatch width: 167648 -> 168656 (+0.60%); split: +4.26%, -3.66% Ice Lake Totals: Instrs: 155330276 -> 155318037 (-0.01%); split: -0.01%, +0.00% Cycle count: 15019092327 -> 15019637026 (+0.00%); split: -0.00%, +0.01% Max live registers: 32640341 -> 32637305 (-0.01%) Max dispatch width: 5780720 -> 5780688 (-0.00%); split: +0.02%, -0.02% Totals from 37773 (5.85% of 645641) affected shaders: Instrs: 6643030 -> 6630791 (-0.18%); split: -0.24%, +0.05% Cycle count: 223589025 -> 224133724 (+0.24%); split: -0.29%, +0.53% Max live registers: 1491781 -> 1488745 (-0.20%) Max dispatch width: 167600 -> 167568 (-0.02%); split: +0.75%, -0.77% Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29884>
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