diff options
| -rw-r--r-- | scheduling/MyRTLpathScheduleraux.ml | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/scheduling/MyRTLpathScheduleraux.ml b/scheduling/MyRTLpathScheduleraux.ml index 23d5d339..39c77f53 100644 --- a/scheduling/MyRTLpathScheduleraux.ml +++ b/scheduling/MyRTLpathScheduleraux.ml @@ -1379,8 +1379,35 @@ let scheduler f = ((sb, to_compensate, live_renames)::sbs, code, next_free_reg) ) else ( assert (PTree.elements live_renames |> List.for_all (fun (_, l) -> l = [])); + let dup_count = InsertPositionMap.fold + (fun _pos (pcs : Camlcoq.P.t list) acc -> + let acc = ListLabels.fold_left pcs + ~init:acc + ~f:(fun acc pc -> + let old = ptree_get_or_default acc pc 0 in + PTree.set pc (old + 1) acc) + in + acc ) + to_compensate_pcs + PTree.empty + in + let pcs_dupd_twice_or_more = + PTree.filter1 (fun n -> n > 1) dup_count + |> PTree.elements + |> List.map fst + in + let arg_regs = ListLabels.fold_left pcs_dupd_twice_or_more + ~init:(Regset.empty) + ~f:(fun acc pc -> + let inst = get_some @@ PTree.get pc code in + RTL.instr_uses inst + |> List.fold_left + (fun acc reg -> Regset.add reg acc) + acc + ) + in let pi = get_some @@ PTree.get sb.instructions.(0) pm in - let (code, live_renames, next_free_reg) = local_single_assignment sb code pi.input_regs ~next_free_reg in + let (code, live_renames, next_free_reg) = rename_regs ~only_rename:arg_regs sb code ~liveatentry:pi.input_regs ~next_free_reg in let to_compensate = InsertPositionMap.map (fun pcs -> let insts = List.map (fun pc -> get_some @@ PTree.get pc code) pcs in insts) |