PR fortran/64022
* simplify.c (gfc_simplify_ieee_selected_real_kind): Extend IEEE
support to all real kinds.
* ieee/ieee_exceptions.F90: Support all real kinds.
* ieee/ieee_arithmetic.F90: Likewise.
* ieee/ieee_helper.c (ieee_class_helper_10,
ieee_class_helper_16): New functions
* gfortran.map (GFORTRAN_1.7): Add entries.
* gfortran.dg/ieee/ieee_7.f90: Adjust test.
* gfortran.dg/ieee/large_1.f90: New test.
From-SVN: r226548
22a499884f