[Bug tree-optimization/67628] [tree-optimization] (a && b) && c shows better codegen than a && (b && c)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67628

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-09-18
                 CC|                            |pinskia at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is due to the fold-const.c optimization which should not be there any
more. You need to do benchmarking on x86 also if you remove it. 

I have not done that yet which is why I have not submitted the patch to fix
this.