r212407 - in /trunk: gcc/testsuite/ChangeLog gc...

[fxcoudert@gcc.gnu.org]

Author: fxcoudert
Date: Wed Jul  9 20:32:12 2014
New Revision: 212407

URL: https://gcc.gnu.org/viewcvs?rev=212407&root=gcc&view=rev
Log:
	* libgfortran.h (support_fpu_underflow_control,
        get_fpu_underflow_mode, set_fpu_underflow_mode): New prototypes.
	* config/fpu-*.h (support_fpu_underflow_control,
	get_fpu_underflow_mode, set_fpu_underflow_mode):
	New functions.
	* ieee/ieee_arithmetic.F90: Support underflow control.

	* gfortran.dg/ieee/underflow_1.f90: New file.

Added:
    trunk/gcc/testsuite/gfortran.dg/ieee/underflow_1.f90
Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/config/fpu-387.h
    trunk/libgfortran/config/fpu-aix.h
    trunk/libgfortran/config/fpu-generic.h
    trunk/libgfortran/config/fpu-glibc.h
    trunk/libgfortran/config/fpu-sysv.h
    trunk/libgfortran/ieee/ieee_arithmetic.F90
    trunk/libgfortran/libgfortran.h