[Bug libfortran/83097] New: Use __BYTE_ORDER__ instead of runtime test

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83097

            Bug ID: 83097
           Summary: Use __BYTE_ORDER__ instead of runtime test
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libfortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tkoenig at gcc dot gnu.org
  Target Milestone: ---

We could use the __BYTE_ORDER__ macro for replacing the
big_endian global variable in libgfortran, and for
improving (and inlining) memcmp_char4 for little-endian
systems.