Date: Thu, 22 Aug 1996 00:12:38 +1000 From: Bruce Evans <bde@zeta.org.au> To: joerg_wunsch@uriah.heep.sax.de, kuku@gilberto.physik.rwth-aachen.de Cc: freebsd-hackers@freebsd.org Subject: Re: max math performance - how? Message-ID: <199608211412.AAA17293@godzilla.zeta.org.au>
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>Another idea comes into mind: (don't know 386 architecture so well though): >Assumed you have an FPU inlined libm. Would it be possible to >run the emulator through a trap (emulator trap instruction) or >intercepting the illegal instruction trap, checking the stack for a valid >FPU instruction and pass instruction execution to the emulator >in that case. That's what happens now. The emulator sees all FPU instructions. Unfortunately, it doesn't handle any of the instructions for functions. Bruce
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