[Bug tree-optimization/93896] Store merging uses SSE only for trivial types

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93896

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-02-23
     Ever confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>  MEM[(struct M *)this_2(D)].p = 0B;
>  MEM <unsigned long> [(unsigned int *)this_2(D) + 8B] = 0;

Could be stored merged (but only because 0 is 0) into:
MEM<unsigned long[2]> [(struct M *)this_2(D)] = {}