nv50/ir: use sched control codes for gm107 builtins

Yes, IMUL/IMAD require dependency barriers and we should
definitely replace these instructions by XMAD but the
different flags need to be figured out. Note that XMAD only
supports 16-bits integers.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>
2 files changed