Re: [rtl-optimization] Improve Data Prefetch for IA-64

[Canqun Yang]

ÒýÑÔ Steven Bosscher <stevenb@suse.de>:

> On Sunday 27 March 2005 03:53, Canqun Yang wrote:
> > The last ChangeLog of rtlopt-branch was written in
> > 2003. After more than one year, many impovements in
> > this branch haven't been put into the GCC HEAD. 
Why?
>
> Almost all of the rtlopt branch was merged.  
Prefetching is one
> of the few things that was not, probably Zdenek 
knows why.
>

Another question is why the new RTL loop-unroller does 
not support giv splitting. It is very usefull 
according to my tests for the old one. Is there anyone 
plan to implement it? The writter of the new loop-
unroller or someone who is familiar with that part. 
They will carry out it better and faster, I think.

> Gr.
> Steven
> 


Canqun Yang
Creative Compiler Research Group.
National University of Defense Technology, China.