PULP divsqrt unit does not produce correct results and stalls the unit with busy signal high

[wedeha]

PULP Divsqrt unit is not working for all FP formats including FP8. Tried with different configurations (no pipeline/ w pipeline regs). Other divsqrt units works but I need to have FP8 divsqrt unit. This stalls the fp unit(Busy) and does not produce a result at any latancy.
attached image is for FP32

[wedeha]

This happens due to Kill_SI of div_sqrt_top_mvp is not assigned correctly(X) when initializing. fixed by a workaround by guarding it against X.

[MikeOpenHWGroup]

Thanks @wedeha. Will you be submitting a PR to resolve this?

[wedeha]

Hello @MikeOpenHWGroup, I will submit PR after running my testsuit. Thank you!

[MikeOpenHWGroup]

Hi @wedeha, please do not close this Issue until your PR is merged in and the fix is confirmed.