[Bug middle-end/106470] Subscribed access to __m256i casted to (uint16_t *) produces garbage or a warning

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Jul 28 21:54:52 GMT 2022


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106470

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You are violating C aliasing rules.
You need a uint16_t type which is marked as may_alias. Or use memcpy or use 
-fno-strict-aliasing etc.


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