{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"sym::fadd_fast"}]}
                        sym::fadd_fast => bx.fadd_fast(args[0].immediate(), args[1].immediate()),
                    Some(_width) => match name {
                        sym::fsub_fast => bx.fsub_fast(args[0].immediate(), args[1].immediate()),