[Bug c/48509] Fails to Vectorize loop involving doubles which was vectorized in 4.5

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48509

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.04.08 10:05:33
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-08 
10:05:33 UTC ---
Works for me with just -O3 -ffast-math (on x86_64-linux).  If you run on
an Atom then -mtune=native will disable vectorization of doubles because
it's slow.  So, please provide more details.