Hi Aldy,
On Mon, Jul 17 2023, Aldy Hernandez wrote:
> Currently IPA throws away the known 1 bits because VRP and irange have
> traditionally only had a way of tracking known 0s (set_nonzero_bits).
> With the ability to keep all the known bits in the irange, we can now
> save this between passes.
>
Currently IPA throws away the known 1 bits because VRP and irange have
traditionally only had a way of tracking known 0s (set_nonzero_bits).
With the ability to keep all the known bits in the irange, we can now
save this between passes.
OK?
gcc/ChangeLog:
* ipa-prop.cc (ipcp_update_bits)