40422927dc
This was missing from the original changes and was causing HFMA2 to
misbehave with an immediate value.
Also fix inverted value passed around for cbuf and ureg forms.
Fixes: bad23ddb48 ("nak: Add F16 and F16v2 sources")
Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28828>