On Sat, Apr 07, 2007 at 11:29:46AM +0200, Uros Bizjak wrote: > Hello! > > >> I was wondering, if: > >> > >> /* X86_TUNE_USE_INCDEC */ > >> ~(m_PENT4 | m_NOCONA | m_CORE2 | m_GENERIC), > >> > >> is correct. Should it be: > >> > >> /* X86_TUNE_USE_INCDEC */ > >> ~(m_PENT4 | m_NOCONA | m_GENERIC), > >> > >> ? > > > >inc/dec has the same performance as add/sub on Core 2 Duo. But > >inc/dec is shorter. > > > > What about partial flag register dependency of inc/dec?
There is no partial flag register dependency on inc/dec. H.J.
