[Bug target/66049] Few AArch64 extend and add with shift tests generates sub optimal code with trunk gcc 6.0.

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66049

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |aarch64*
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |missed-optimization
   Last reconfirmed|                            |2015-05-12
                 CC|                            |ktkachov at gcc dot gnu.org
     Ever confirmed|0                           |1
   Target Milestone|---                         |6.0
      Known to fail|                            |6.0

--- Comment #3 from ktkachov at gcc dot gnu.org ---
Venkat, are you planning to submit this patch to gcc-patches?
Also, does this mean we can remove the patterns that do arith+shift using MULT
rtxes? (like *adds_<optab><mode>_multp2)