| Klabel of label |
| Kacc of int |
| Kenvacc of int |
| Kpush |
| Kpop of int |
| Kassign of int |
| Kpush_retaddr of label |
| Kapply of int |
| Kappterm of int * int |
| Kreturn of int |
| Krestart |
| Kgrab of int |
| Kclosure of label * int |
| Kclosurerec of label list * int |
| Koffsetclosure of int |
| Kgetglobal of Ident.t |
| Ksetglobal of Ident.t |
| Kconst of Lambda.structured_constant |
| Kmakeblock of int * int |
| Kmakefloatblock of int |
| Kgetfield of int |
| Ksetfield of int |
| Kgetfloatfield of int |
| Ksetfloatfield of int |
| Kvectlength |
| Kgetvectitem |
| Ksetvectitem |
| Kgetstringchar |
| Kgetbyteschar |
| Ksetbyteschar |
| Kbranch of label |
| Kbranchif of label |
| Kbranchifnot of label |
| Kstrictbranchif of label |
| Kstrictbranchifnot of label |
| Kswitch of label array * label array |
| Kboolnot |
| Kpushtrap of label |
| Kpoptrap |
| Kraise of Lambda.raise_kind |
| Kcheck_signals |
| Kccall of string * int |
| Knegint |
| Kaddint |
| Ksubint |
| Kmulint |
| Kdivint |
| Kmodint |
| Kandint |
| Korint |
| Kxorint |
| Klslint |
| Klsrint |
| Kasrint |
| Kintcomp of Lambda.integer_comparison |
| Koffsetint of int |
| Koffsetref of int |
| Kisint |
| Kisout |
| Kgetmethod |
| Kgetpubmet of int |
| Kgetdynmet |
| Kevent of debug_event |
| Kstop |