[Bug target/49064] [x86/x64]: broken alias analysis leads vectorizer to emit poor code

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49064

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |alias, missed-optimization
             Status|UNCONFIRMED                 |RESOLVED
          Component|tree-optimization           |target
         Resolution|---                         |INVALID

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
All compilers I could test that support __m128i and _mm_xor_si128 cause an
aliasing issue. So this is invalid.