[fpc-pascal] using float emulation

Daniël Mantione daniel.mantione at freepascal.org
Fri Jun 1 20:58:54 CEST 2007

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

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.


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