| 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 |