[PATCH]: Make fp0_regnum a multi-arch variable.

Michael Snyder msnyder@cygnus.com
Wed May 10 08:52:00 GMT 2000

Scott Bambrough wrote:
> msnyder@cygnus.com wrote:
> > The macro FP0_REGNUM is used widely as a test of whether the target
> > architecture has an FPU.  This has to be a runtime test for multi-arch.
> Actually it would be better to define an architechure specific test for an FPU.
> On ARM Linux, it is possible for systems to have no FPA11 floating point unit,
> one of two FPA11 floating point emulators, or a real FPA11 FPU in the case of
> the 7500FE.  ARM Linux can run on all three cases.  The ARM 10 core introduces a
> new vector floating point unit which someone is sure to port ARM Linux to.

I agree, I don't think checking for the presence of an FP0 register
is a very good test for the presence of an FPU.

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