[Bug target/81286] [6/7 Regression] building for powerpc*-unknown-linux-gnu target fails with RTL checking enabled

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81286

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2017-07-03
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 41666
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41666&action=edit
gcc7-pr81286.patch

Untested fix.  gpc_reg_operand allows in some cases a SUBREG of a REG, but
REGNO is not valid in that case.