[PPL-devel] Cloog and PPL 0.10

[Jack Howarth]

On Fri, Aug 22, 2008 at 01:47:20PM -0500, Sebastian Pop wrote:
> On Fri, Aug 22, 2008 at 1:09 PM, Jack Howarth <howarth at bromo.msbb.uc.edu> wrote:
> >    So cloog-ppl git is now modified to use the new simplification
> > routines and graphite will now actually perform optimizations on
> > the generated code?
> 
> Wait till end of today to try graphite branch, otherwise
> you'll get all the errors we saw.  We're fixing these right now.
> 
> Thanks,
> Sebastian

Sebastian,
     With tonight's graphite branch changes added to the rest on top
of gcc trunk and using current clogg-ppl git with ppl-1.0rc24, I see
two gcc.dg/graphite/graphite.exp testsuite failures on i686-apple-darwin9...

FAIL: gcc.dg/graphite/block-1.c (internal compiler error)
FAIL: gcc.dg/graphite/block-1.c (test for excess errors)
FAIL: gcc.dg/graphite/block-1.c scan-tree-dump-times graphite "Loop blocked" 3
FAIL: gcc.dg/graphite/scop-16.c (internal compiler error)
FAIL: gcc.dg/graphite/scop-16.c (test for excess errors)

which are...

Executing on host: /sw/src/fink.build/gcc44-4.3.999-20080822/darwin_objdir/gcc/xgcc -B/sw/src/fink.build/gcc44-4.3.999-20080822/darwin_objdir/gc
c/ /sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/block-1.c   -O2 -floop-block -fdump-tree-graphite-al
l -S  -o block-1.s    (timeout = 300)
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/block-1.c: In function 'main':
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/block-1.c:6: error: found a real definition for a non-r
egister
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/block-1.c:6: error: in statement
D.1950_13 = A_68 + graphiteIV.24_4;
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/block-1.c:6: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

xecuting on host: /sw/src/fink.build/gcc44-4.3.999-20080822/darwin_objdir/gcc/xgcc -B/sw/src/fink.build/gcc44-4.3.999-20080822/darwin_objdir/gc
c/ /sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/scop-16.c   -O2 -floop-block -fdump-tree-graphite-al
l -S  -o scop-16.s    (timeout = 300)
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/scop-16.c: In function 'test':
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/scop-16.c:5: error: found a real definition for a non-r
egister
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/scop-16.c:5: error: in statement
# VUSE <a_83> { a }
D.1955_21 = a[graphiteIV.37_78][a_83];
/sw/src/fink.build/gcc44-4.3.999-20080822/gcc-4.4-20080822/gcc/testsuite/gcc.dg/graphite/scop-16.c:5: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

I assume these are the remaining errors unfixed from...

http://gcc.gnu.org/ml/gcc-patches/2008-08/msg01715.html

Is that correct? Thanks for any clarifications.
                Jack