[patch][graphite] Rewrite of "out of graphite"

Jack Howarth howarth@bromo.med.uc.edu
Thu Dec 4 01:39:00 GMT 2008


On Wed, Dec 03, 2008 at 07:18:51PM -0600, Sebastian Pop wrote:
> On Wed, Dec 3, 2008 at 7:08 PM, Jack Howarth <howarth@bromo.med.uc.edu> wrote:
> >    Has anyone tried building and running the SPEC benchmarks with
> > -O2 -fgraphite-identity?
> 
> Mitul is trying cpu2k6 and will reduce testcases for the remaining
> fails.  I suspect the same error as for id-2.f90 will be quite
> frequent.  The fix for this bug seems to be quite tricky: the problem
> occurs in the middle-end of graphite in the construction of the
> polyhedral representation.
> 
> Sebastian

Nice. At this rate, perhaps -fgraphite could be made an alias for -fgraphite-identity
in the gcc 4.4 release. After all, using -fgraphite without -fgraphite-identity
is pretty much a waste of cpu cycles.
                 Jack



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