259ba104f7
nir_opt_mov and nir_op_vecN are only the same if the mov is only a
single component. Otherwise the vec loop will try to access src[c]
where c > 0 which breaks for nir_op_mov. It's uncommon but scalar
back-ends can see vector movs so we need to handle this correctly.
Fixes: 6513c675ad ("nv50/ir/nir: implement nir_alu_instr handling")
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: M Henning <drawoc@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24167>
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