[Bug target/87104] missed &, == optimization makes Emacs ~0.4% slower on x86-64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87104

--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note in the original testcase, I noticed we don't do some "VRP/nonzero bits"
optimization so I filed PR 110405 for that. It does not change the other
transformation.