[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929

--- Comment #5 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> Fixed?

Not sure; the middle-end (rtlanal.c::insn_rtx_cost, seq_cost) are still
bypassing PARALLELs with more than 1 SET, i.e. assume cost of 1.