libgfortran/ChangeLog:
* configure.host (ieee_flags): Add -mieee for alpha*.
* config/fpu-glibc.h (support_fpu_rounding_mode): Correctly handle
GFC_FPE_UPWARD, GFC_FPE_DOWNWARD and GFC_FPE_TOWARDZERO.
* config/fpu-aix.h (support_fpu_rounding_mode): Ditto.
testsuite/ChangeLog:
* gfortran.dg/ieee/ieee_1.F90 (dg-additional-options): Remove -O0.
* gfortran.dg/ieee/ieee_rounding_1.f90 (dg-additional-options): Add.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212224 138bc75d-0d04-0410-961f-82ee72b054a4