[Bug c++/47600] gcc optimizer seems to avoid necessary floating-point addition

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47600

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.02.03 16:49:41
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-03 
16:49:41 UTC ---
Are you on a 32bit i?86 machine?  Try -std=c99 or -mfpmath=sse, you probably
run into bug 323.

Also please provide a testcase that we can compile to reproduce the issue.