1//===- HexagonSchedule.td - Hexagon Scheduling Definitions -*- tablegen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10def Hex_FWD : Bypass; 11def HVX_FWD : Bypass; 12 13// Functional Units. 14def SLOT0 : FuncUnit; 15def SLOT1 : FuncUnit; 16def SLOT2 : FuncUnit; 17def SLOT3 : FuncUnit; 18// Endloop is a pseudo instruction that is encoded with 2 bits in a packet 19// rather than taking an execution slot. This special unit is needed 20// to schedule an ENDLOOP with 4 other instructions. 21def SLOT_ENDLOOP: FuncUnit; 22 23// CVI pipes from the "Hexagon Multimedia Co-Processor Extensions Arch Spec". 24def CVI_ST : FuncUnit; 25def CVI_XLANE : FuncUnit; 26def CVI_SHIFT : FuncUnit; 27def CVI_MPY0 : FuncUnit; 28def CVI_MPY1 : FuncUnit; 29def CVI_LD : FuncUnit; 30 31// Combined functional units. 32def CVI_XLSHF : FuncUnit; 33def CVI_MPY01 : FuncUnit; 34def CVI_ALL : FuncUnit; 35def CVI_ALL_NOMEM : FuncUnit; 36 37// Combined functional unit data. 38def HexagonComboFuncsV60 : 39 ComboFuncUnits<[ 40 ComboFuncData<CVI_XLSHF , [CVI_XLANE, CVI_SHIFT]>, 41 ComboFuncData<CVI_MPY01 , [CVI_MPY0, CVI_MPY1]>, 42 ComboFuncData<CVI_ALL , [CVI_ST, CVI_XLANE, CVI_SHIFT, 43 CVI_MPY0, CVI_MPY1, CVI_LD]>, 44 ComboFuncData<CVI_ALL_NOMEM, [CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1]> 45 ]>; 46 47// Itinerary classes. 48def PSEUDO : InstrItinClass; 49def PSEUDOM : InstrItinClass; 50def DUPLEX : InstrItinClass; 51def tc_ENDLOOP : InstrItinClass; 52 53//===----------------------------------------------------------------------===// 54// Auto-generated itinerary classes 55//===----------------------------------------------------------------------===// 56include "HexagonDepIICScalar.td" 57include "HexagonDepIICHVX.td" 58 59//===----------------------------------------------------------------------===// 60// V4 Machine Info + 61//===----------------------------------------------------------------------===// 62 63include "HexagonScheduleV4.td" 64 65// V55 Machine Info + 66include "HexagonScheduleV55.td" 67 68//===----------------------------------------------------------------------===// 69// V60 Machine Info - 70//===----------------------------------------------------------------------===// 71 72include "HexagonIICScalar.td" 73include "HexagonIICHVX.td" 74include "HexagonScheduleV60.td" 75 76//===----------------------------------------------------------------------===// 77// V62 Machine Info + 78//===----------------------------------------------------------------------===// 79 80include "HexagonScheduleV62.td" 81 82//===----------------------------------------------------------------------===// 83// V65 Machine Info + 84//===----------------------------------------------------------------------===// 85 86include "HexagonScheduleV65.td" 87