Comment # 5
on bug 100387
from Hi-Angel
Sorry for long time not answering. The error is because one instruction is using more than 2 cfiles which check_and_set_bank_swizzle() doesn't allow, though acc. to docs it can handle up to 4 distinct cfiles in a group. I was trying to fix it be rewriting the bank_swizzle scheduler into smarter version, but had to abandon it because it turned out to be pointless (the effeciency is about the same, but more importantly, for some reason r600g have 2 schedulers, and this one simply does validation). FTR, unfinished code is here https://github.com/Hi-Angel/mesa/tree/wip-bank_swizzle-scheduler I am not sure if I'll have a motivation to look into modifying the current scheduler, the more that there's some oddness in documentation (you can say "pun intended" because it is that docs don't allow odd number of distinct cfiles in a group, however a group with 1 cfile works just fine). But fixing this bug won't help to the game anyway, because the next problem it runs into is a very old one of requiring too many GPRs https://bugs.freedesktop.org/buglist.cgi?quicksearch=Shader%20GPR%20limit%20exceeded&list_id=619399
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