[Bug tree-optimization/103245] Failure to detect abs pattern using multiplication with slightly different casts for unsigned case

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103245

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 51801
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51801&action=edit
patch which I am testing

I noticed the patterns could be combined together.