[Bug target/117173] can_vec_perm_const_p does not consider costs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117173

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|middle-end                  |target
           Keywords|                            |missed-optimization
             Target|                            |riscv

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think the target should unmerge it during expand since an user could just use
the perm values themselves (via __builtin_shuffle/__builtin_shufflevector).