[Bug libfortran/91030] Poor performance of I/O -fconvert=big-endian

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91030

--- Comment #5 from David Edelsohn <dje at gcc dot gnu.org> ---
XL Fortran with -qufmt=be : 0.75 sec
XL Fortran native         : 0.30 sec