User-space context switch and floating-point
Marcel Moolenaar
marcel at xcllnt.net
Wed Mar 3 19:36:57 PST 2004
On Thu, Mar 04, 2004 at 12:36:28PM +1000, Peter Grehan wrote:
> > Yes, but I thought the i386 FP calling convention was that all
> >FP registers were volatile across calls, so all were preserved
> >by the callee.
>
> Oops, I meant 'caller'...
Yes. You need to save the FP registers on PPC that are callee
saved.
--
Marcel Moolenaar USPA: A-39004 marcel at xcllnt.net
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