[Bug tree-optimization/108821] [11/12/13 Regression] LIM reissuing a violatile store when it cannot/should not

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108821

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.4
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |wrong-code
   Last reconfirmed|                            |2023-02-16
     Ever confirmed|0                           |1
            Summary|Extra volatile access with  |[11/12/13 Regression] LIM
                   |-O2 -ftree-loop-im since    |reissuing a violatile store
                   |GCC-11                      |when it cannot/should not

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

Re-issueing dependent store of *x.1_3 from loop 1 on exit 3 -> 4
Moving statement
gCrc_lsm.9 = gCrc;
(cost 0) out of loop 1.