------- Comment #40 from jv244 at cam dot ac dot uk 2006-12-19 12:49 ------- I've now checked that gcc trunk (revision 120045) compiles CP2K (at -O3 -ftree-vectorize -ffast-math -march=opteron) and that the numerical results seem acceptable. Great job... I hope the the original file is kept around so that gfortran doesn't regress on this.
I've also checked the fortran-experiments branch to see how it performs on CP2K's libint_interface.f90 (as preprocessed with -D__LIBINT), but it looks like gfortran's ISO_C_BINDING stuff is not yet ready. That file might be a nice testcase as well (compiles with g95, but unfortunately fails on the versions of xlf90 and NAG I have access to, because of unimplemented features) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29975
