Re: m68k FPU emulation: Unimplemented instruction
Michael Schmitz dixit:
>> Maybe we can have a GCC -m* flag that tells it to not emit those
>> instructions? (Maybe call library functions then or something.)
>
> -msoft-float?
No, one that tells it to only skip those instructions that are
not available in the FPU emulation.
> Might be easier to add the odd FPU instruction to the emulator than support a
Unsure. I’ll leave that to the implementors.
> Andreas cautioned the emulation needs to deal with extended precision to be
> fully compliant - not sure whether we might be able to get away with a simple
> single precision hook to get python going.
Python uses extended precision. In fact, if we were to rebuild the
Python source package on a system not using extended precision, the
resulting Python package would be incompatible and buggy.
bye,
//mirabilos
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