Comment # 16
on bug 106928
from Roland Scheidegger
(In reply to Dave Airlie from comment #14) > I think Roland's first patch is correct, just call fold_alu_op2 if we get > back 2 sources from fold_assoc. return true is for when we've finished all > folding on that instruction, so I don't think that's correct without calling > fold_alu_op2 Well it would still be called (in fold_assoc instead) in this case so the only difference in the end really is that fold_alu_op3 would return false instead of true if fold_alu_op2 (called when fold_assoc reduced number of src to 2) returned false. If the return value is just indicating if we're finished with folding, then I suppose it does not actually matter for correctness either way This code was all written by Vadim Girlin, but I don't think he's still around here.
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