On Wed, Sep 21, 2011 at 4:57 PM, Paulo J. Matos <pa...@matos-sorge.com> wrote: > On 21/09/11 15:21, David Brown wrote: >> >> And since this >> situation would not occur in real code (at least, not code that is >> expected to do something useful other than test the compiler's code >> generation), there is no harm in making sub-optimal object code. >> > > Actually the reason why I noticed this is because one of our engineers told > that GCC stopped generating instructions for certain operations when he > moved from GCC45 to GCC46. This code is real code.
Btw, I think this is an old bug that has been resolved. Did you make sure to test a recent 4.6 branch snapshot or svn head? > Cheers, > -- > PMatos > >
