syntax_data: {"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"\"nvptx64\""}]}
source_snippet:             "nvptx64" => {
context_before:             "sparc64" => sparc64::compute_abi_info(cx, self),
context_after:                 if abi == ExternAbi::PtxKernel || abi == ExternAbi::GpuKernel {