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After optimization happen, if the sources are still in one or two contigous spans for some reason (e.g. some data read from memory now being written), it is beneficial to just use regular SEND and avoid having to set the ARF scalar instruction. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Lionel Landwerlin <None> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32410>