i965/fs: Don't emit SEL instructions for type-converting MOVs.
SEL can only convert between a few integer types, which we basically never do. Fixes fs/vs-double-uniform-array-direct-indirect-non-uniform-control-flow Cc: mesa-stable@lists.freedesktop.org Reviewed-by:Samuel Iglesias Gonsálvez <siglesias@igalia.com> Acked-by:
Francisco Jerez <currojerez@riseup.net> (cherry picked from commit 7dccd38b)