On Fri, Jul 22, 2011 at 01:00:09AM +0200, Tobias Grosser wrote:
> Hi,
>
> I propose to switch to the official cloog.org cloog version with isl backend
> and
> at the same time to remove support for both CLooG-PPL legacy as well as
> CLooG-Parma.
>
> We want to switch to cloog-isl as it is the only officially maintained version
> of cloog. Furthermore, it provides features that will help to fix some bugs in
> the graphite code generation[1].
> The reason to abond CLooG-PPL (legacy version) is, that cloog-isl provides the
> new CloogInput library interface. This interface is not available the old
> CLooG.
> I plan to move graphite to this interface. As I do not see enough benefits
> from
> being able to use CLooG PPL, I decided to not introduce any compatibility
> scheme, but just remove any code that is only needed for CLooG-PPL.
> I also removed CLooG-Parma (cloog.org with PPL backend), as it is currently
> not
> actively maintained and not well tested. I believe our time is better spent on
> improving graphite or cloog isl, as in putting time into this cloog version.
>
> So here we are: Moving graphite back to the official cloog.org version!
>
> Passes 'make check RUNTESTFLAGS=graphite.exp' as well as a bootstrap on Linux
> amd64.
>
> Cheers
> Tobi
Tobi,
Are there any additional plans for gcc 4.7? In particular, wasn't the
-fgraphite-identity
option supported to be enabled at -O3 by defaulting ftree-loop-linear on which
is now an alias
of -floop-interchange since gcc 4.6?
Jack
>
> P.S.: Why do we move to the super latest one. Because we expect that most
> users
> would need an update, and, as we will soon use some of the newer features,
> there
> is no need to force another update later.
>
>
> Tobias Grosser (3):
> Make CLooG isl the only supported CLooG version.
> Require cloog 0.16.3
> Remove code that supported legacy CLooG.
>
> ChangeLog | 17 +++
> config/cloog.m4 | 109 ++--------------
> configure | 176 ++------------------------
> configure.ac | 2 +-
> gcc/ChangeLog | 18 +++
> gcc/Makefile.in | 4 +-
> gcc/graphite-clast-to-gimple.c | 93 ++++++--------
> gcc/graphite-cloog-compat.h | 275
> ----------------------------------------
> gcc/graphite-cloog-util.c | 15 +--
> gcc/graphite-cloog-util.h | 1 -
> gcc/graphite.c | 2 -
> 11 files changed, 106 insertions(+), 606 deletions(-)
> delete mode 100644 gcc/graphite-cloog-compat.h
>
> --
> 1.7.4.1
