[Bug target/81504] [7/8 Regression] gcc-7 regression: vec_st in loop misoptimized

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81504

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-07-22
                 CC|                            |segher at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Confirmed.  The problem is introduced in the swaps pass; cc:ing Bill.

(It needs  -mcpu=power8 -mabi=elfv2 -mlittle  btw).