[fpc-pascal] using float emulation
M.Santhoff at t-online.de
Fri Jun 1 21:16:36 CEST 2007
Am Freitag, den 01.06.2007, 20:58 +0200 schrieb Daniël Mantione:
> Op Fri, 1 Jun 2007, schreef Marc Santhoff:
> > Hi,
> > I'm trying to force fpc to use emulation code for floating poing
> > calculations on i386 hardware.
> > $ fpc -al -st -Op1 -CfSOFT floattest.pp
> > Viewn from the assembler source the file is identical to one compiled
> > without target options and the link script does not show the inclusion
> > of something special.
> > This should work (me thinks;), but the info screen specifies -Op1 for
> > 386/486. A i486 *does* have a coprocessor.
> > How can aks fpc to write code for an i386sx without FPU?
> Use fpu emulation.
> Please see http://www.freepascal.org/faq.var#fp386
Hmm, talking about DOS there.
> I doubt softwarefloat is in working condition on i386, probably several of
> the assembler routines use the fpu. However, the compiler should be able
> to generate softfpu calls if -Cfsoft is used on x86.
So on Unix'ish FreeBSD I'm pretty lost, I assume ...
Thank you anyways for answering quickly,
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