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llvm-mirror/lib/Target/Hexagon/HexagonScheduleV67T.td

62 lines
2.5 KiB
TableGen

//=- HexagonScheduleV67T.td - Hexagon V67 Tiny Core Scheduling Definitions --=//
//
// 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
//
//===----------------------------------------------------------------------===//
class HexagonV67TPseudoItin {
list<InstrItinData> V67TPseudoItin_list = [
InstrItinData<PSEUDO, [InstrStage<1, [SLOT0, SLOT2, SLOT3]>], [2, 1, 1],
[Hex_FWD, Hex_FWD, Hex_FWD]>,
InstrItinData<PSEUDOM, [InstrStage<1, [SLOT2, SLOT3], 0>,
InstrStage<1, [SLOT2, SLOT3]>],
[2, 1, 1],
[Hex_FWD, Hex_FWD, Hex_FWD]>,
InstrItinData<DUPLEX, [InstrStage<1, [SLOT0]>],
[2, 1, 1]>,
InstrItinData<tc_ENDLOOP, [InstrStage<1, [SLOT_ENDLOOP]>], [2]>
];
}
// V67TItin_list and HVXItin contain some old itineraries
// still used by a handful of instructions. Hopefully, we will be able to
// get rid of them soon.
def HexagonV67TItinList : DepScalarItinV67T,
DepHVXItinV67, HVXItin, HexagonV67TPseudoItin {
list<InstrItinData> V67TItin_list = [
InstrItinData<LD_tc_ld_SLOT01, [InstrStage<1, [SLOT0]>],
[3, 1, 1],
[Hex_FWD, Hex_FWD, Hex_FWD]>,
InstrItinData<ST_tc_st_SLOT01, [InstrStage<1, [SLOT0]>],
[1, 1, 3, 3],
[Hex_FWD, Hex_FWD]>
];
list<InstrItinData> ItinList =
!listconcat(DepScalarItinV67T_list,
DepHVXItinV67_list, V67TItin_list,
HVXItin_list, V67TPseudoItin_list);
}
def HexagonItinerariesV67T :
ProcessorItineraries<[SLOT0, SLOT1, SLOT2, SLOT3, SLOT_ENDLOOP,
CVI_ST, CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1,
CVI_LD, CVI_XLSHF, CVI_MPY01, CVI_ALL,
CVI_ALL_NOMEM, CVI_ZW],
[Hex_FWD, HVX_FWD],
HexagonV67TItinList.ItinList>;
def HexagonModelV67T : SchedMachineModel {
let IssueWidth = 3;
let Itineraries = HexagonItinerariesV67T;
let LoadLatency = 1;
let CompleteModel = 0;
}
//===----------------------------------------------------------------------===//
// Hexagon V67 Tiny Core Resource Definitions -
//===----------------------------------------------------------------------===//