[parisc-linux] Branch Prediction
John David Anglin
dave@hiauly1.hia.nrc.ca
Fri, 1 Nov 2002 16:30:49 -0500 (EST)
> "John David Anglin" wrote:
> > I wonder if the PA-8700 in the rp2470 has it?
>
> gsyprf11 is a 650Mhz PA8700. please try it.
I gave it a whirl. As far as I can tell based on a small amount of testing,
there isn't any difference in performance using the branch target stack to
"accelerate" call returns.
So it may be that this feature like quad precision is not implemented.
Dave
--
J. David Anglin dave.anglin@nrc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6605)