[Bug tree-optimization/114214] `(x&~M)|((x&M)&~(y&M))` -> `x&~(y&M)` is not done

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114214

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-03-03
           Assignee|unassigned at gcc dot gnu.org      |pinskia at gcc dot 
gnu.org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(simplify
 (bit_ior:c
  (bit_and:c @0 @c1)
  (bit_and:c
   (bit_not@n (bit_and:c @2 @1))
   (bit_and:c @0 @1)
  )
 )
 (if (gimple_bitwise_inverted_equal_p (@1, @c1, wascmp)
      && (!wascmp || element_precision (type) == 1))
  (bit_and @0 @n)))


(simplify
 (bit_ior:c
  (bit_and:c @0 @c1)
  (bit_and:c
   (bit_ior:c@n @2 @c1)
   (bit_and:c @0 @1)
  )
 )
 (if (gimple_bitwise_inverted_equal_p (@1, @c1, wascmp)
      && (!wascmp || element_precision (type) == 1))
  (bit_and @0 @n)))