On Sun, 2009-08-30 at 10:48 -0400, pps wrote:
> Danny Backx wrote:
> > On Sat, 2009-08-29 at 17:30 -0400, pps wrote:
> >> The problem I'm getting is that I can't build for iwmmxt cpu. I tried
> >> -mcpu=iwmmxt -march-iwmmxt -mabi=wmmxt etc, but nothing works.
> >
> > I've never tried that. What's a iwmmxt cpu ? (What does it do different
> > from the basic ARM we're compiling for?)
>
> iwmmxt is the xscale cpu that has wmmx instruction set support (which
> resembles mmx from i386). Initially I thought that -mcpu=xscale is
> enough but then I found out that I had to use -mcpu=iwmmxt. I have some
> code that uses wmmx and I'm trying to compile it.
> Here's reference for ms compiler for wmmx:
> http://lmgtfy.com/?q=WMMX+Intrinsic+Functions
Very interesting stuff. Oddly enough, my iPAQ 214 contains a PXA 310
which should have this :-)
I'm not sure whether this is a cegcc issue, I've just asked for info on
the gcc mailing list.
Danny
--
Danny Backx ; danny.backx - at - scarlet.be ; http://danny.backx.info
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