[Bug target/59101] [4.7/4.8/4.9 Regression] integer wrong code bug

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59101

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-11-13
                 CC|                            |jakub at gcc dot gnu.org
          Component|c                           |target
   Target Milestone|---                         |4.7.4
            Summary|integer wrong code bug      |[4.7/4.8/4.9 Regression]
                   |                            |integer wrong code bug
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Sounds to be a bug in the x86_64 *anddi_2 pattern.  If the constant is > 0 and
has bit 31 set, then we can't match CCNOmode, just CCZmode.