1 //===-- M68kSchedule.td - M68k Scheduling Definitions --*- tablegen -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 /// This file contains M68k scheduler definitions.
12 //===----------------------------------------------------------------------===//
14 /// This is a very general M68k Scheduling Model and best suited for the very
15 /// first M68000 CPU, other model must override these characteristics
16 class M68kSchedModel : SchedMachineModel {
17 let LoadLatency = 4; // Word (Rn)
18 let HighLatency = 16; // Long ABS
19 let PostRAScheduler = 0;
20 let CompleteModel = 0;
23 def GenericM68kModel : M68kSchedModel;