i386 and InterlockedIncrement inline asm

Christopher Faylor cgf@redhat.com
Sat Jan 25 16:03:00 GMT 2003

On Sat, Jan 25, 2003 at 09:09:05AM -0500, Nicholas Wourms wrote:
>Since we're on the subject, Chuck and I were discussing the floating
>point routines in newlib a few months back.  FWICT, we are currently
>using Software FPU emulation.  The reason we were discussing this was
>because we had noted how poorly sh performs when it does FP division
>(used by libtool when calculating the max number of arguments that can
>be passed to the command line).  NT seems to have a much better handle
>on this than does Win9X/ME, but it is still slower then true HW FPU.
>If we do decide to start cutting out earlier platforms, how about
>enabling Hardware FPU?  Surely this would provide a performance boost?

I played around with turning on hardware floating point a while
ago and never got the incantation right.  If someone knows how to do
this, I'm interested in hearing about it.


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