diff options
Diffstat (limited to 'backend/Linear.v')
| -rw-r--r-- | backend/Linear.v | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/backend/Linear.v b/backend/Linear.v index 3553ced..b218531 100644 --- a/backend/Linear.v +++ b/backend/Linear.v @@ -169,8 +169,8 @@ Definition return_regs (caller callee: locset) : locset := Definition undef_op (op: operation) (rs: locset) := match op with - | Omove => rs - | _ => undef_temps rs + | Omove => Locmap.undef destroyed_at_move rs + | _ => Locmap.undef temporaries rs end. Definition undef_getstack (s: slot) (rs: locset) := @@ -179,6 +179,9 @@ Definition undef_getstack (s: slot) (rs: locset) := | _ => rs end. +Definition undef_setstack (rs: locset) := + Locmap.undef destroyed_at_move rs. + (** Linear execution states. *) Inductive stackframe: Type := @@ -261,7 +264,7 @@ Inductive step: state -> trace -> state -> Prop := | exec_Lsetstack: forall s f sp r sl b rs m, step (State s f sp (Lsetstack r sl :: b) rs m) - E0 (State s f sp b (Locmap.set (S sl) (rs (R r)) rs) m) + E0 (State s f sp b (Locmap.set (S sl) (rs (R r)) (undef_setstack rs)) m) | exec_Lop: forall s f sp op args res b rs m v, eval_operation ge sp op (reglist rs args) m = Some v -> |