http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48067

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|powerpc64-linux             |powerpc64-linux, x86_64-*-*
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011.03.11 10:17:47
               Host|powerpc64-linux             |
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |
   Target Milestone|---                         |4.6.0
            Summary|FMA with no add operand     |[4.6 Regression] FMA with
                   |produced by                 |no add operand produced by
                   |convert_mul_to_fma          |convert_mul_to_fma
     Ever Confirmed|0                           |1
              Build|powerpc64-linux             |

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-11 
10:17:47 UTC ---
Reproduces on trunk/x86_64 with

  -O2 -ffast-math -mfma4 -fno-tree-forwprop -fno-tree-reassoc

on trunk both forwprop and reassoc change

  d12_8 = -c12_7;
  D.745_11 = c12_7 - d12_8;

to

  D.745_11 = c12_7 + c_12_7;

making the issue latent.

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