[Bug middle-end/53623] [4.7 Regression] sign extension is effectively split into two x86-64 instructions

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53623

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-06-10
                 CC|                            |rguenth at gcc dot gnu.org
          Component|target                      |middle-end
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-10 14:39:35 
UTC ---
It is caused by revision 173612:

http://gcc.gnu.org/ml/gcc-cvs/2011-05/msg00390.html