[Bug rtl-optimization/47299] [4.6 Regression] Widening multiply optimization generates bad code

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47299

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.01.16 15:53:38
            Version|4.5.0                       |4.6.0
   Target Milestone|---                         |4.6.0
            Summary|Widening multiply           |[4.6 Regression] Widening
                   |optimization generates bad  |multiply optimization
                   |code                        |generates bad code
     Ever Confirmed|0                           |1

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-16 15:53:38 UTC ---
It is a 4.6 regression. 4.5 branch is OK.