-------- Original Message -------- Subject: Re: patch for merging graphite branch (before tuplification) Date: Tue, 12 Aug 2008 23:51:01 -0400 From: Jack Howarth <howarth@bromo.msbb.uc.edu> To: Albert Cohen <Albert.Cohen@inria.fr> CC: Mark Mitchell <mark@codesourcery.com>, Paolo Bonzini <bonzini@gnu.org>, Roberto Bagnara <bagnara@cs.unipr.it>, "Joseph S. Myers" <joseph@codesourcery.com>, Richard Guenther <richard.guenther@gmail.com>, Sebastian Pop <sebpop@gmail.com>, GCC Patches <gcc-patches@gcc.gnu.org>, Jakub Jelinek <jakub@redhat.com>, David Edelsohn <edelsohn@gmail.com>, "Harle, Christophe" <christophe.harle@amd.com>, Tobias Grosser <grosser@fim.uni-passau.de>, Konrad Trifunovic <konrad.trifunovic@gmail.com> References: <Pine.LNX.4.64.0808031809020.15922@digraph.polyomino.org.uk> <84fc9c000808031220t14f60e5bie1760eaaa413aeb5@mail.gmail.com> <Pine.LNX.4.64.0808031925260.15922@digraph.polyomino.org.uk> <84fc9c000808031320m153160b0l60db9d80b1f58742@mail.gmail.com> <Pine.LNX.4.64.0808032051010.15922@digraph.polyomino.org.uk> <489C60E3.6010105@cs.unipr.it> <489C67D0.8080004@codesourcery.com> <489C6BD7.3010405@gnu.org> <489C6CD1.3000109@codesourcery.com> <48A01732.4080702@inria.fr> The current gcc trunk with the proposed graphite patch supplemented with all the subsequent patches to the graphite branch now builds usable binaries for almost all of the fortran polyhedron benchmarks using the -funroll-loops -O3 -floop-block -floop-interchange -fgraphite flags. We have one remaining compile failure with these flags in channel.f90. The compile line... gfortran -funroll-loops -O3 -floop-strip-mine -fgraphite channel.f90 -o channel ...or... gfortran -funroll-loops -O3 -floop-block -fgraphite channel.f90 -o channel produces the compile error... channel.f90: In function ‘sw’: channel.f90:6: internal compiler error: vector VEC(loop_p,base) index domain error, in strip_mine_profitable_p at graphite.c:4321 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. ...while the compile line... gfortran -funroll-loops -O3 -floop-interchange -fgraphite channel.f90 -o channel ...produces the compile error of... channel.f90: In function ‘sw’: channel.f90:6: internal compiler error: in graphite_trans_bb_move_loop, at graphite.c:4017 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Jack -- Prof. Roberto Bagnara Computer Science Group Department of Mathematics, University of Parma, Italy http://www.cs.unipr.it/~bagnara/ mailto:bagnara@cs.unipr.it