H. J. Lu wrote: > Gcc 4.2 has a serious FP performace issue: > > http://gcc.gnu.org/ml/gcc/2007-01/msg00408.html > > on both ia32 and x86-64. If there will be a 4.2.0 release, I hope it > will be addressed. As always, the best way to ensure that it is addressed if it is important to you is to address it yourself, or pay someone to do so :-)