1 //===-- PPCScheduleG5.td - PPC G5 Scheduling Definitions ---*- tablegen -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file defines the itinerary class data for the G5 (970) processor.
11 //===----------------------------------------------------------------------===//
13 def G5_BPU : FuncUnit; // Branch unit
14 def G5_SLU : FuncUnit; // Store/load unit
15 def G5_SRU : FuncUnit; // special register unit
16 def G5_IU1 : FuncUnit; // integer unit 1 (simple)
17 def G5_IU2 : FuncUnit; // integer unit 2 (complex)
18 def G5_FPU1 : FuncUnit; // floating point unit 1
19 def G5_FPU2 : FuncUnit; // floating point unit 2
20 def G5_VPU : FuncUnit; // vector permutation unit
21 def G5_VIU1 : FuncUnit; // vector integer unit 1 (simple)
22 def G5_VIU2 : FuncUnit; // vector integer unit 2 (complex)
23 def G5_VFPU : FuncUnit; // vector floating point unit
25 def G5Itineraries : ProcessorItineraries<
26 [G5_IU1, G5_IU2, G5_SLU, G5_BPU, G5_FPU1, G5_FPU2,
27 G5_VFPU, G5_VIU1, G5_VIU2, G5_VPU], [], [
28 InstrItinData<IIC_IntSimple , [InstrStage<2, [G5_IU1, G5_IU2]>]>,
29 InstrItinData<IIC_IntGeneral , [InstrStage<2, [G5_IU1, G5_IU2]>]>,
30 InstrItinData<IIC_IntCompare , [InstrStage<3, [G5_IU1, G5_IU2]>]>,
31 InstrItinData<IIC_IntDivD , [InstrStage<68, [G5_IU1]>]>,
32 InstrItinData<IIC_IntDivW , [InstrStage<36, [G5_IU1]>]>,
33 InstrItinData<IIC_IntMFFS , [InstrStage<6, [G5_IU2]>]>,
34 InstrItinData<IIC_IntMFVSCR , [InstrStage<1, [G5_VFPU]>]>,
35 InstrItinData<IIC_IntMTFSB0 , [InstrStage<6, [G5_FPU1, G5_FPU2]>]>,
36 InstrItinData<IIC_IntMulHD , [InstrStage<7, [G5_IU1, G5_IU2]>]>,
37 InstrItinData<IIC_IntMulHW , [InstrStage<5, [G5_IU1, G5_IU2]>]>,
38 InstrItinData<IIC_IntMulHWU , [InstrStage<5, [G5_IU1, G5_IU2]>]>,
39 InstrItinData<IIC_IntMulLI , [InstrStage<4, [G5_IU1, G5_IU2]>]>,
40 InstrItinData<IIC_IntRFID , [InstrStage<1, [G5_IU2]>]>,
41 InstrItinData<IIC_IntRotateD , [InstrStage<2, [G5_IU1, G5_IU2]>]>,
42 InstrItinData<IIC_IntRotateDI , [InstrStage<2, [G5_IU1, G5_IU2]>]>,
43 InstrItinData<IIC_IntRotate , [InstrStage<4, [G5_IU1, G5_IU2]>]>,
44 InstrItinData<IIC_IntShift , [InstrStage<2, [G5_IU1, G5_IU2]>]>,
45 InstrItinData<IIC_IntTrapD , [InstrStage<1, [G5_IU1, G5_IU2]>]>,
46 InstrItinData<IIC_IntTrapW , [InstrStage<1, [G5_IU1, G5_IU2]>]>,
47 InstrItinData<IIC_BrB , [InstrStage<1, [G5_BPU]>]>,
48 InstrItinData<IIC_BrCR , [InstrStage<4, [G5_BPU]>]>,
49 InstrItinData<IIC_BrMCR , [InstrStage<2, [G5_BPU]>]>,
50 InstrItinData<IIC_BrMCRX , [InstrStage<3, [G5_BPU]>]>,
51 InstrItinData<IIC_LdStDCBF , [InstrStage<3, [G5_SLU]>]>,
52 InstrItinData<IIC_LdStLoad , [InstrStage<3, [G5_SLU]>]>,
53 InstrItinData<IIC_LdStLoadUpd , [InstrStage<3, [G5_SLU]>]>,
54 InstrItinData<IIC_LdStLoadUpdX, [InstrStage<3, [G5_SLU]>]>,
55 InstrItinData<IIC_LdStStore , [InstrStage<3, [G5_SLU]>]>,
56 InstrItinData<IIC_LdStDSS , [InstrStage<10, [G5_SLU]>]>,
57 InstrItinData<IIC_LdStICBI , [InstrStage<40, [G5_SLU]>]>,
58 InstrItinData<IIC_LdStSTFD , [InstrStage<4, [G5_SLU]>]>,
59 InstrItinData<IIC_LdStSTFDU , [InstrStage<4, [G5_SLU]>]>,
60 InstrItinData<IIC_LdStLD , [InstrStage<3, [G5_SLU]>]>,
61 InstrItinData<IIC_LdStLDU , [InstrStage<3, [G5_SLU]>]>,
62 InstrItinData<IIC_LdStLDUX , [InstrStage<3, [G5_SLU]>]>,
63 InstrItinData<IIC_LdStLDARX , [InstrStage<11, [G5_SLU]>]>,
64 InstrItinData<IIC_LdStLFD , [InstrStage<3, [G5_SLU]>]>,
65 InstrItinData<IIC_LdStLFDU , [InstrStage<5, [G5_SLU]>]>,
66 InstrItinData<IIC_LdStLFDUX , [InstrStage<5, [G5_SLU]>]>,
67 InstrItinData<IIC_LdStLHA , [InstrStage<5, [G5_SLU]>]>,
68 InstrItinData<IIC_LdStLHAU , [InstrStage<5, [G5_SLU]>]>,
69 InstrItinData<IIC_LdStLHAUX , [InstrStage<5, [G5_SLU]>]>,
70 InstrItinData<IIC_LdStLMW , [InstrStage<64, [G5_SLU]>]>,
71 InstrItinData<IIC_LdStLVecX , [InstrStage<3, [G5_SLU]>]>,
72 InstrItinData<IIC_LdStLWA , [InstrStage<5, [G5_SLU]>]>,
73 InstrItinData<IIC_LdStLWARX , [InstrStage<11, [G5_SLU]>]>,
74 InstrItinData<IIC_LdStSLBIA , [InstrStage<40, [G5_SLU]>]>, // needs work
75 InstrItinData<IIC_LdStSLBIE , [InstrStage<2, [G5_SLU]>]>,
76 InstrItinData<IIC_LdStSTD , [InstrStage<3, [G5_SLU]>]>,
77 InstrItinData<IIC_LdStSTU , [InstrStage<3, [G5_SLU]>]>,
78 InstrItinData<IIC_LdStSTUX , [InstrStage<3, [G5_SLU]>]>,
79 InstrItinData<IIC_LdStSTDCX , [InstrStage<11, [G5_SLU]>]>,
80 InstrItinData<IIC_LdStSTVEBX , [InstrStage<5, [G5_SLU]>]>,
81 InstrItinData<IIC_LdStSTWCX , [InstrStage<11, [G5_SLU]>]>,
82 InstrItinData<IIC_LdStSync , [InstrStage<35, [G5_SLU]>]>,
83 InstrItinData<IIC_SprISYNC , [InstrStage<40, [G5_SLU]>]>, // needs work
84 InstrItinData<IIC_SprMFSR , [InstrStage<3, [G5_SLU]>]>,
85 InstrItinData<IIC_SprMTMSR , [InstrStage<3, [G5_SLU]>]>,
86 InstrItinData<IIC_SprMTSR , [InstrStage<3, [G5_SLU]>]>,
87 InstrItinData<IIC_SprTLBSYNC , [InstrStage<3, [G5_SLU]>]>,
88 InstrItinData<IIC_SprMFCR , [InstrStage<2, [G5_IU2]>]>,
89 InstrItinData<IIC_SprMFCRF , [InstrStage<2, [G5_IU2]>]>,
90 InstrItinData<IIC_SprMFMSR , [InstrStage<3, [G5_IU2]>]>,
91 InstrItinData<IIC_SprMFSPR , [InstrStage<3, [G5_IU2]>]>,
92 InstrItinData<IIC_SprMFTB , [InstrStage<10, [G5_IU2]>]>,
93 InstrItinData<IIC_SprMTSPR , [InstrStage<8, [G5_IU2]>]>,
94 InstrItinData<IIC_SprSC , [InstrStage<1, [G5_IU2]>]>,
95 InstrItinData<IIC_FPGeneral , [InstrStage<6, [G5_FPU1, G5_FPU2]>]>,
96 InstrItinData<IIC_FPAddSub , [InstrStage<6, [G5_FPU1, G5_FPU2]>]>,
97 InstrItinData<IIC_FPCompare , [InstrStage<8, [G5_FPU1, G5_FPU2]>]>,
98 InstrItinData<IIC_FPDivD , [InstrStage<33, [G5_FPU1, G5_FPU2]>]>,
99 InstrItinData<IIC_FPDivS , [InstrStage<33, [G5_FPU1, G5_FPU2]>]>,
100 InstrItinData<IIC_FPFused , [InstrStage<6, [G5_FPU1, G5_FPU2]>]>,
101 InstrItinData<IIC_FPRes , [InstrStage<6, [G5_FPU1, G5_FPU2]>]>,
102 InstrItinData<IIC_FPSqrtD , [InstrStage<40, [G5_FPU1, G5_FPU2]>]>,
103 InstrItinData<IIC_FPSqrtS , [InstrStage<40, [G5_FPU1, G5_FPU2]>]>,
104 InstrItinData<IIC_VecGeneral , [InstrStage<2, [G5_VIU1]>]>,
105 InstrItinData<IIC_VecFP , [InstrStage<8, [G5_VFPU]>]>,
106 InstrItinData<IIC_VecFPCompare, [InstrStage<2, [G5_VFPU]>]>,
107 InstrItinData<IIC_VecComplex , [InstrStage<5, [G5_VIU2]>]>,
108 InstrItinData<IIC_VecPerm , [InstrStage<3, [G5_VPU]>]>,
109 InstrItinData<IIC_VecFPRound , [InstrStage<8, [G5_VFPU]>]>,
110 InstrItinData<IIC_VecVSL , [InstrStage<2, [G5_VIU1]>]>,
111 InstrItinData<IIC_VecVSR , [InstrStage<3, [G5_VPU]>]>
114 // ===---------------------------------------------------------------------===//
115 // G5 machine model for scheduling and other instruction cost heuristics.
117 def G5Model : SchedMachineModel {
118 let IssueWidth = 4; // 4 (non-branch) instructions are dispatched per cycle.
119 let LoadLatency = 3; // Optimistic load latency assuming bypass.
120 // This is overriden by OperandCycles if the
121 // Itineraries are queried instead.
122 let MispredictPenalty = 16;
124 let CompleteModel = 0;
126 let Itineraries = G5Itineraries;