COMPMID-415: Set rounding mode for half reference

Change-Id: Ifee80b63f2cb7184589af4f471d9e2d22fa29de0
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/81933
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
1 file changed