mirror of https://gitlab.freedesktop.org/mesa/mesa
bb6c43027e
...Rather than reserving the union of the registers live-out of the predecessors. This avoids reserving registers that are killed along a control flow edge (where the predecessor has another successor that does use the register). glmark2 subset of shaderdb: total instructions in shared programs: 6442 -> 6440 (-0.03%) instructions in affected programs: 42 -> 40 (-4.76%) helped: 1 HURT: 0 total bytes in shared programs: 42186 -> 42174 (-0.03%) bytes in affected programs: 270 -> 258 (-4.44%) helped: 1 HURT: 0 total halfregs in shared programs: 1769 -> 1757 (-0.68%) halfregs in affected programs: 75 -> 63 (-16.00%) helped: 3 HURT: 0 helped stats (abs) min: 4.0 max: 4.0 x̄: 4.00 x̃: 4 helped stats (rel) min: 16.00% max: 16.00% x̄: 16.00% x̃: 16.00% Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18804> |
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