https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93172
--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> --- Why should it be limited that way? simplify_rtx does not / should not care about peculiarities of a certain architecture or microarchitecture. A transform like this would be a good idea I think, and would be much in line with everything we do for scalars.
