https://bugs.freedesktop.org/show_bug.cgi?id=106928
--- Comment #16 from Roland Scheidegger <srol...@vmware.com> ---
(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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