[Bug tree-optimization/58073] Suboptimal optimisation of ((x & 0x70) == 0x00 || (x & 0x70) == 0x10 || (x & 0x70) == 0x20)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58073

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #6)
> 
> And maybe even one like this (which will solve the issue sooner):
> 
> (bit_ior
>  (cmp (bit_and @0 INTEGER_CST@2) INTEGER_CST@3)
>  (cmp @0 INTEGER_CST@5)))

Note the final INTEGER_CST has to be 0 I think but you get the idea.