[Bug tree-optimization/49028] Missed optimization of pointer arithmetic

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49028

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|minor                       |enhancement
          Component|rtl-optimization            |tree-optimization
   Last reconfirmed|2011-05-18 09:40:28         |2021-8-14

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---

  _3 = _2 + 8;
  _4 = _3 - _1;
  _5 = _4 /[ex] 8;
  _6 = _5 % 16;
  _7 = (long unsigned int) _6;
  _8 = _7 * 8;
  _9 = _1 + _8;

I Noticed only MSVC actually does this optimization.