[Bug rtl-optimization/68651] [5/6 Regression][AArch64] Missing combination of shift-by-one with other arithmetic patterns with -mcpu=cortex-a53

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68651

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2015-12-03
          Component|target                      |rtl-optimization
           Assignee|unassigned at gcc dot gnu.org      |ktkachov at gcc dot 
gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from ktkachov at gcc dot gnu.org ---
I think this can/should be fixed in a target-independent way.
I have an idea I'm trying out