{"ast_node_type":"other","tokens":[{"end":124,"kind":"keyword","start":0,"text":"//"}]}
            // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_packus_epi16&ig_expand=4903
        "llvm.x86.sse2.packuswb.128" => {
            intrinsic_args!(fx, args => (a, b); intrinsic);