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