On Tue, Jan 28, 2003 at 09:37:42AM -0800, Jun Sun wrote: > > > Can someone enlighten me a little? I am trying > > > to figure out what the FPU state should be (or can be) when > > > we are inside do_fpe() routine. > > > > Checkout the various flags in $fcr31. Whenever one of the enabled > > exceptions is triggered we get to handle_fpe via do_fpe. In addition > > the unimplemented exception can also result in invocation of do_fpe. > > > > So it seems safe to assume FPU should have been enabled when we get > here, right? Yes, otherwise we'd get a coprocessur unusable exception. Ralf