llvm-project/llvm/lib/Target/Hexagon/HexagonScheduleV5.td

46 lines
1.7 KiB
TableGen

//=-HexagonScheduleV5.td - HexagonV5 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
//
//===----------------------------------------------------------------------===//
def LD_tc_ld_SLOT01 : InstrItinClass;
def ST_tc_st_SLOT01 : InstrItinClass;
class HexagonV5PseudoItin {
list<InstrItinData> V5PseudoItin_list = [
InstrItinData<PSEUDO, [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
InstrItinData<PSEUDOM, [InstrStage<1, [SLOT2, SLOT3], 0>,
InstrStage<1, [SLOT2, SLOT3]>]>,
InstrItinData<DUPLEX, [InstrStage<1, [SLOT0]>]>,
InstrItinData<tc_ENDLOOP, [InstrStage<1, [SLOT_ENDLOOP]>]>
];
}
def HexagonV5ItinList : DepScalarItinV5, HexagonV5PseudoItin {
list<InstrItinData> V5Itin_list = [
InstrItinData<LD_tc_ld_SLOT01, [InstrStage<1, [SLOT0, SLOT1]>]>,
InstrItinData<ST_tc_st_SLOT01, [InstrStage<1, [SLOT0, SLOT1]>]>
];
list<InstrItinData> ItinList =
!listconcat(V5Itin_list, DepScalarItinV5_list, V5PseudoItin_list);
}
def HexagonItinerariesV5 :
ProcessorItineraries<[SLOT0, SLOT1, SLOT2, SLOT3, SLOT_ENDLOOP],
[Hex_FWD], HexagonV5ItinList.ItinList>;
def HexagonModelV5 : SchedMachineModel {
// Max issue per cycle == bundle width.
let IssueWidth = 4;
let Itineraries = HexagonItinerariesV5;
let LoadLatency = 1;
let CompleteModel = 0;
}
//===----------------------------------------------------------------------===//
// Hexagon V5 Resource Definitions -
//===----------------------------------------------------------------------===//