GNUMN103(英语:MN103), OpenRISC(英语:OpenRISC), PA-RISC, PowerPC, s390(英语:s390), S+core(英语:HyperScan), SuperH, SPARC, TILE64(英语:TILE64), Unicore32(英语:Unicore32), x86,
Schemerecursive functions are involved. ……Furthermore, it is not even necessary to scan the environment for the variable, since its value must be in a known position