diff options
Diffstat (limited to 'backend/CSE2.v')
-rw-r--r-- | backend/CSE2.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/backend/CSE2.v b/backend/CSE2.v index be72405b..d5444e3b 100644 --- a/backend/CSE2.v +++ b/backend/CSE2.v @@ -469,7 +469,7 @@ Definition transf_instr (fmap : option (PMap.t RB.t)) match instr with | Iop op args dst s => let args' := subst_args fmap pc args in - match find_op_in_fmap fmap pc op args' with + match (if is_trivial_op op then None else find_op_in_fmap fmap pc op args') with | None => Iop op args' dst s | Some src => Iop Omove (src::nil) dst s end |