2014-07-12  Tobias Burnus  <burnus@net-b.de>

gcc/fortran/
        * libgfortran.h (libcaf_atomic_codes): Add.
        * trans-decl.c (gfor_fndecl_caf_atomic_def,
        gfor_fndecl_caf_atomic_ref, gfor_fndecl_caf_atomic_cas,
        gfor_fndecl_caf_atomic_op): New variables.
        (gfc_build_builtin_function_decls): Initialize them.
        * trans.h (gfor_fndecl_caf_atomic_def,
        gfor_fndecl_caf_atomic_ref, gfor_fndecl_caf_atomic_cas,
        gfor_fndecl_caf_atomic_op): New variables.
        * trans-intrinsic.c (conv_intrinsic_atomic_op,
        conv_intrinsic_atomic_ref, conv_intrinsic_atomic_cas):
        Add library calls with -fcoarray=lib.

libgfortran/
        * caf/libcaf.h (_gfortran_caf_atomic_define,
        _gfortran_caf_atomic_ref, _gfortran_caf_atomic_op,
        _gfortran_caf_atomic_cas): New prototypes.
        * caf/single.c (_gfortran_caf_atomic_define,
        _gfortran_caf_atomic_ref, _gfortran_caf_atomic_op,
        _gfortran_caf_atomic_cas): New functions.

From-SVN: r212484