From: "Tony Ingenoso" 

That code would run on an 8088/8087 combination.

"Geo."  wrote in message
news:3dd445fb$1{at}w3.nls.net...
> I dare you to do that on a P90..
>
> Geo.
>
> "Tony Ingenoso"  wrote in message
> news:3dd31582{at}w3.nls.net...
> > Some code could be as pathological as this (paraphrasing Intel assembler
> code):
> >
> > FLDCW  chop
> > FDIV
> > FLDCW  roundup
> > FDIV
> > FLDCW  roundown
> > FDIV
> > FLDCW  roundnearest
> > FDIV
> >
> > Within the span of 8 machine instruction there's 4 divisions each using a
> different rounding mode
> >
> >
> > "Tony Ingenoso"  wrote
in message
> news:3dd30406{at}w3.nls.net...
> > > You don't find this anywhere in particular.  The rounding mode can
> change as often as the running code desires to change it on the
> > > fly.  Some apps could conceivably use all four modes within
the space of
> 20 instructions or less.
> > >
> > > "Geo."  wrote in message
news:3dd2fd31$1{at}w3.nls.net...
> > > > "Tony Ingenoso"
 wrote in message
> > > > news:3dd1f09a{at}w3.nls.net...
> > > >
> > > > > point.  i.e it will have four rounding modes
capable of being abused
> and
> > > > misused by any and all applications and the OS
> > > > >
> > > >
> > > > Ok now you are confusing me again, where exactly would
I see how the
> OS
> > > > rounds off?
> > > >
> > > > Geo.
> > > >
> > > >
> > >
> > >
> >
> >
>
>

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