https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67068
Harald Anlauf <anlauf at gmx dot de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |anlauf at gmx dot de --- Comment #4 from Harald Anlauf <anlauf at gmx dot de> --- (In reply to Mike Glass from comment #2) > Yes, all the FORTRAN code is compiled with those options. We want to mimic > the behavior of the Intel compiler when we add the '-r8' flag to their > compiler: > > Makes default real and complex declarations, constants, functions, and > intrinsics 8 bytes long. REAL declarations are treated as DOUBLE PRECISION > (REAL(KIND=8)) and COMPLEX declarations are treated as DOUBLE COMPLEX > (COMPLEX(KIND=8)). Real and complex constants of unspecified KIND are > evaluated in double precision (KIND=8). Is there a reason you don't "use mpi"?