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Re: Memory partitioning considered harmful (!?)
On Thu, 8 Feb 2007, Richard Guenther wrote:
> On Thu, 8 Feb 2007, François-Xavier Coudert wrote:
>
> > - about the second paragraph quoted, would you mind expanding a bit
> > on what exactly would be needed? and eventually open a
> > missed-optimization PR (and add me to CC)
>
> One thing is that we are not re-using a dt_parm declaration but creating
> new ones again and again (and we happen to create SFTs for them). But
> we still coalesce them to one partition with the proposed patch. (I also
> remember darkly proposing a patch for this but getting shot down because
> of some thread/reentrancy concerns)
Found it:
http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01762.html
it was actually due to not yet implemented async I/O. Maybe I didn't
push hard enough and the thread quickly died down.
Richard.
--
Richard Guenther <rguenther@suse.de>
Novell / SUSE Labs