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//===- HexagonSchedule.td - Hexagon 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 Hex_FWD : Bypass;
def HVX_FWD : Bypass;
// Functional Units.
def SLOT0 : FuncUnit;
def SLOT1 : FuncUnit;
def SLOT2 : FuncUnit;
def SLOT3 : FuncUnit;
// Endloop is a pseudo instruction that is encoded with 2 bits in a packet
// rather than taking an execution slot. This special unit is needed
// to schedule an ENDLOOP with 4 other instructions.
def SLOT_ENDLOOP: FuncUnit;
// CVI pipes from the "Hexagon Multimedia Co-Processor Extensions Arch Spec".
def CVI_ST : FuncUnit;
def CVI_XLANE : FuncUnit;
def CVI_SHIFT : FuncUnit;
def CVI_MPY0 : FuncUnit;
def CVI_MPY1 : FuncUnit;
def CVI_LD : FuncUnit;
def CVI_ZW : FuncUnit; // Z register write port
// Combined functional units.
def CVI_XLSHF : FuncUnit;
def CVI_MPY01 : FuncUnit;
def CVI_ALL : FuncUnit;
def CVI_ALL_NOMEM : FuncUnit;
// Combined functional unit data.
def HexagonComboFuncsV60 :
ComboFuncUnits<[
ComboFuncData<CVI_XLSHF , [CVI_XLANE, CVI_SHIFT]>,
ComboFuncData<CVI_MPY01 , [CVI_MPY0, CVI_MPY1]>,
ComboFuncData<CVI_ALL , [CVI_ST, CVI_XLANE, CVI_SHIFT,
CVI_MPY0, CVI_MPY1, CVI_LD]>,
ComboFuncData<CVI_ALL_NOMEM, [CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1]>
]>;
// Itinerary classes.
def PSEUDO : InstrItinClass;
def PSEUDOM : InstrItinClass;
def DUPLEX : InstrItinClass;
def tc_ENDLOOP : InstrItinClass;
//===----------------------------------------------------------------------===//
// Auto-generated itinerary classes
//===----------------------------------------------------------------------===//
include "HexagonDepIICScalar.td"
include "HexagonDepIICHVX.td"
include "HexagonScheduleV5.td"
include "HexagonScheduleV55.td"
include "HexagonIICScalar.td"
include "HexagonIICHVX.td"
include "HexagonScheduleV60.td"
include "HexagonScheduleV62.td"
include "HexagonScheduleV65.td"
include "HexagonScheduleV66.td"
include "HexagonScheduleV67.td"
include "HexagonScheduleV67T.td"
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