On Mon, Jan 27, 2003 at 07:04:23PM -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. Ralf