On 6/30/05, Nick Zitzmann <email@hidden> wrote:
> Even if Jaguar had libmx, there is some doubt out there that GCC 4 is
> producing significantly more optimized binaries than previous
> releases as of version 4.0.0: <http://www.coyotegulch.com/reviews/
> gcc4/index.html>
I believe, the big change in GCC 4.0 is the use of a
"single-static assignment" representation as the intermediate form
feed into the optimizer and target machine compiler proper. This
provides a better base for optimization, but for now isn't much better
than 3.4. Course, that is if you're not using auto-vectorize. :-)
I compile using GCC 4.0 for the stricter C++. I haven't had any
problems switching back to 3.4 for performance and compatibility. YMMV
--
-Corey O'Connor
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