The Polyhedron 2005 benchmark aermod.f90 ICEs the gfortran compiler when compiled with...
gfortran -O2 -fgraphite-identity -floop-strip-mine aermod.f90 -o aermod producing the error... aermod.f90: In function chk_endyr: aermod.f90:5620:0: internal compiler error: Floating point exception This error doesn't occur with... gfortran -O2 -fgraphite-identity aermod.f90 -o aermod ..or... gfortran -O2 -fgraphite-identity -floop-interchange aermod.f90 -o aermod Using built-in specs. Target: x86_64-apple-darwin10 Configured with: ../gcc-4.5-20090805/configure --prefix=/sw --prefix=/sw/lib/gcc4.5 --mandir=/sw/share/man --infodir=/sw/share/info --enable-languages=c,c++,fortran,objc,java --with-gmp=/sw --with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --disable-libjava-multilib --build=x86_64-apple-darwin10 --host=x86_64-apple-darwin10 --target=x86_64-apple-darwin10 Thread model: posix gcc version 4.5.0 20090805 (experimental) (GCC) -- Summary: aermod.f90 ICEs on -O2 -fgraphite-identity -floop-strip- mine Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: howarth at nitro dot med dot uc dot edu GCC build triplet: x86_64-apple-darwin10 GCC host triplet: x86_64-apple-darwin10 GCC target triplet: x86_64-apple-darwin10 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40981