[Bug rtl-optimization/114338] Optimizing (x & (-1 << y)) to ((x >> y) << y) or vice versa

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114338

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
For canonicalization the BIT_AND variants might be preferable since they
possibly combine with other logical ops.  Also more constant operands
when the number of operations is the same might be preferable.