On 16/11/16 16:53, Szabolcs Nagy wrote: > ieee_support_halting only checked the availability of status > flags, not trapping support. On some targets the later can > only be checked at runtime: feenableexcept reports if > enabling traps failed. > > So check trapping support by enabling/disabling it. > > Updated the test that enabled trapping to check if it is > supported. > > Tested on aarch64-linux-gnu and x86_64-linux-gnu. > > gcc/testsuite/ > 2016-11-16 Szabolcs Nagy <szabolcs.n...@arm.com> > > PR libgfortran/78314 > * gfortran.dg/ieee/ieee_6.f90: Use ieee_support_halting. > > libgfortran/ > 2016-11-16 Szabolcs Nagy <szabolcs.n...@arm.com> > > PR libgfortran/78314 > * config/fpu-glibc.h (support_fpu_trap): Use feenableexcept. >
it seems this broke ieee_8.f90 which tests compile time vs runtime value of ieee_support_halting if fortran needs this, then support_halting should be always false on arm and aarch64. but i'm not familiar enough with fortran to tell if there is some better workaround.
