2017-06-09  Tom de Vries  <tom@codesourcery.com>

	PR target/80855
	* config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
	"target cannot support label values" when encountering LABEL_REF.

	* gcc.target/nvptx/label-values.c: New test.

From-SVN: r249060