[Bug tree-optimization/117776] [12/13/14/15 Regression] Missed optimization/vectorization opportunity (adding a bool to an accumulator)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117776

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |7.5.0, 8.5.0
           Keywords|TREE                        |
            Summary|Missed                      |[12/13/14/15 Regression]
                   |optimization/vectorization  |Missed
                   |opportunity (adding a bool  |optimization/vectorization
                   |to an accumulator)          |opportunity (adding a bool
                   |                            |to an accumulator)
      Known to fail|                            |10.1.0

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is actually a regression in that 8.5.0 used to be able to vectorize this.
It can also worked around via using the option -fno-tree-vrp.