[Bug middle-end/53623] [4.7/4.8 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
----------------------------------------------------------------------------
            Summary|[4.7 Regression] sign       |[4.7/4.8 Regression] sign
                   |extension is effectively    |extension is effectively
                   |split into two x86-64       |split into two x86-64
                   |instructions                |instructions

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-10 14:43:22 
UTC ---
This may be a dup of PR 50176.