0468ce3791
We have been stopping as soon as we find a conflict but that doesn't mean we can't merge it in an earlier slot, so keep going. Going by shader-db, this sometimes allows us to merge the final thrsw a bit earlier and avoid emitting NOP instructions at the program end to make up for its delay slots. I have not observed cases where this helps with regular thrsw though, but it doesn't hurt to try with those too. total instructions in shared programs: 11526876 -> 11526354 (<.01%) instructions in affected programs: 10760 -> 10238 (-4.85%) helped: 236 HURT: 0 Instructions are helped. total max-temps in shared programs: 2231705 -> 2231677 (<.01%) max-temps in affected programs: 276 -> 248 (-10.14%) helped: 27 HURT: 0 Max-temps are helped. total inst-and-stalls in shared programs: 11545177 -> 11544655 (<.01%) inst-and-stalls in affected programs: 10777 -> 10255 (-4.84%) helped: 236 HURT: 0 Inst-and-stalls are helped. total nops in shared programs: 321624 -> 321152 (-0.15%) nops in affected programs: 751 -> 279 (-62.85%) helped: 236 HURT: 0 Nops are helped. Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22679> |
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