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agx: Defeature fsub

Alyssa Rosenzweig requested to merge alyssa/mesa:agx/defeature-fsub into main

All has_fsub does is fuse fsubs (they're unfused otherwise), no point doing that if we're going to just going to lower.

shader-db is mostly noise.

total instructions in shared programs: 1487217 -> 1487035 (-0.01%) instructions in affected programs: 22658 -> 22476 (-0.80%) helped: 85 HURT: 2 helped stats (abs) min: 1.0 max: 12.0 x̄: 2.19 x̃: 1 helped stats (rel) min: 0.38% max: 2.46% x̄: 0.87% x̃: 0.65% HURT stats (abs) min: 1.0 max: 3.0 x̄: 2.00 x̃: 2 HURT stats (rel) min: 0.58% max: 1.08% x̄: 0.83% x̃: 0.83% 95% mean confidence interval for instructions value: -2.51 -1.67 95% mean confidence interval for instructions %-change: -0.97% -0.70% Instructions are helped.

total bytes in shared programs: 10189996 -> 10189288 (<.01%) bytes in affected programs: 158132 -> 157424 (-0.45%) helped: 85 HURT: 2 helped stats (abs) min: 4.0 max: 48.0 x̄: 8.75 x̃: 4 helped stats (rel) min: 0.22% max: 1.44% x̄: 0.51% x̃: 0.38% HURT stats (abs) min: 6.0 max: 30.0 x̄: 18.00 x̃: 18 HURT stats (rel) min: 0.90% max: 0.91% x̄: 0.91% x̃: 0.91% 95% mean confidence interval for bytes value: -9.98 -6.30 95% mean confidence interval for bytes %-change: -0.56% -0.39% Bytes are helped.

total halfregs in shared programs: 462536 -> 462556 (<.01%) halfregs in affected programs: 131 -> 151 (15.27%) helped: 1 HURT: 4 helped stats (abs) min: 2.0 max: 2.0 x̄: 2.00 x̃: 2 helped stats (rel) min: 28.57% max: 28.57% x̄: 28.57% x̃: 28.57% HURT stats (abs) min: 4.0 max: 8.0 x̄: 5.50 x̃: 5 HURT stats (rel) min: 12.77% max: 36.36% x̄: 25.01% x̃: 25.45% 95% mean confidence interval for halfregs value: -0.65 8.65 95% mean confidence interval for halfregs %-change: -18.64% 47.23% Inconclusive result (value mean confidence interval includes 0).

Signed-off-by: Alyssa Rosenzweig alyssa@rosenzweig.io

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