{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"//"}]}
                        // rustc emits v0 rather than q0
                    InlineAsmReg::AArch64(reg) if reg.vreg_index().is_some() => {
                        reg.emit(generated_asm, InlineAsmArch::AArch64, Some('q')).unwrap()