[PATCH,fortran] Add support for IEEE_SUBNORMAL

[Steve Kargl]

On Fri, Dec 28, 2018 at 04:40:55PM -0800, Jerry DeLisle wrote:
> On 12/28/18 10:44 AM, Steve Kargl wrote:
> > Ping.
> 
> OK, thanks.
> 

For the record, here's the patch and ChangeLogs for what I committed.
Previous patch did not come with a testscase.

2018-12-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	 * expr.c (external_spec_function): Add ieee_support_subnormal to list
	 of IEEE inquiry functions.

2018-12-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.map: Expose subnormal functions in dynamic library.
	* ieee/ieee_arithmetic.F90: Add support for IEEE_SUBNORMAL,
	IEEE_POSITIVE_SUBNORMAL, and IEEE_NEGATIVE_SUBNORMAL.
	* ieee/ieee_helper.c: Ditto.
	* ieee/ieee_features.F90:  Add IEEE_SUBNORMAL.

2018-12-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.dg/ieee/ieee_11.F90: New test.

-- 
steve
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