| //===-- PPCScheduleE500mc.td - e5500 Scheduling Defs -------*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the itinerary class data for the Freescale e5500 64-bit |
| // Power processor. |
| // |
| // All information is derived from the "e5500 Core Reference Manual", |
| // Freescale Document Number e5500RM, Rev. 1, 03/2012. |
| // |
| //===----------------------------------------------------------------------===// |
| // Relevant functional units in the Freescale e5500 core |
| // (These are the same as for the e500mc) |
| // |
| // * Decode & Dispatch |
| // Can dispatch up to 2 instructions per clock cycle to either the GPR Issue |
| // queues (GIQx), FP Issue Queue (FIQ), or Branch issue queue (BIQ). |
| def E5500_DIS0 : FuncUnit; |
| def E5500_DIS1 : FuncUnit; |
| |
| // * Execute |
| // 6 pipelined execution units: SFX0, SFX1, BU, FPU, LSU, CFX. |
| // The CFX has a bypass path, allowing non-divide instructions to execute |
| // while a divide instruction is being executed. |
| def E5500_SFX0 : FuncUnit; // Simple unit 0 |
| def E5500_SFX1 : FuncUnit; // Simple unit 1 |
| def E5500_BU : FuncUnit; // Branch unit |
| def E5500_CFX_DivBypass |
| : FuncUnit; // CFX divide bypass path |
| def E5500_CFX_0 : FuncUnit; // CFX pipeline stage 0 |
| |
| def E5500_CFX_1 : FuncUnit; // CFX pipeline stage 1 |
| |
| def E5500_LSU_0 : FuncUnit; // LSU pipeline |
| def E5500_FPU_0 : FuncUnit; // FPU pipeline |
| |
| def E5500_GPR_Bypass : Bypass; |
| def E5500_FPR_Bypass : Bypass; |
| def E5500_CR_Bypass : Bypass; |
| |
| def PPCE5500Itineraries : ProcessorItineraries< |
| [E5500_DIS0, E5500_DIS1, E5500_SFX0, E5500_SFX1, E5500_BU, |
| E5500_CFX_DivBypass, E5500_CFX_0, E5500_CFX_1, |
| E5500_LSU_0, E5500_FPU_0], |
| [E5500_CR_Bypass, E5500_GPR_Bypass, E5500_FPR_Bypass], [ |
| InstrItinData<IIC_IntSimple, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [5, 2, 2], // Latency = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntGeneral, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [5, 2, 2], // Latency = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntISEL, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [5, 2, 2, 2], // Latency = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass, |
| E5500_CR_Bypass]>, |
| InstrItinData<IIC_IntCompare, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [6, 2, 2], // Latency = 1 or 2 |
| [E5500_CR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntDivD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0], 0>, |
| InstrStage<26, [E5500_CFX_DivBypass]>], |
| [30, 2, 2], // Latency= 4..26, Repeat rate= 4..26 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntDivW, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0], 0>, |
| InstrStage<16, [E5500_CFX_DivBypass]>], |
| [20, 2, 2], // Latency= 4..16, Repeat rate= 4..16 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntMFFS, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_FPU_0]>], |
| [11], // Latency = 7, Repeat rate = 1 |
| [E5500_FPR_Bypass]>, |
| InstrItinData<IIC_IntMTFSB0, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<7, [E5500_FPU_0]>], |
| [11, 2, 2], // Latency = 7, Repeat rate = 7 |
| [NoBypass, NoBypass, NoBypass]>, |
| InstrItinData<IIC_IntMulHD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0], 0>, |
| InstrStage<2, [E5500_CFX_1]>], |
| [9, 2, 2], // Latency = 4..7, Repeat rate = 2..4 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntMulHW, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0], 0>, |
| InstrStage<1, [E5500_CFX_1]>], |
| [8, 2, 2], // Latency = 4, Repeat rate = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntMulHWU, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0], 0>, |
| InstrStage<1, [E5500_CFX_1]>], |
| [8, 2, 2], // Latency = 4, Repeat rate = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntMulLI, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0], 0>, |
| InstrStage<2, [E5500_CFX_1]>], |
| [8, 2, 2], // Latency = 4 or 5, Repeat = 2 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntRotate, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [5, 2, 2], // Latency = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntRotateD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<2, [E5500_SFX0, E5500_SFX1]>], |
| [6, 2, 2], // Latency = 2, Repeat rate = 2 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntRotateDI, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [5, 2, 2], // Latency = 1, Repeat rate = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntShift, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<2, [E5500_SFX0, E5500_SFX1]>], |
| [6, 2, 2], // Latency = 2, Repeat rate = 2 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_IntTrapW, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<2, [E5500_SFX0]>], |
| [6, 2], // Latency = 2, Repeat rate = 2 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_BrB, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_BU]>], |
| [5, 2], // Latency = 1 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_BrCR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_BU]>], |
| [5, 2, 2], // Latency = 1 |
| [E5500_CR_Bypass, |
| E5500_CR_Bypass, E5500_CR_Bypass]>, |
| InstrItinData<IIC_BrMCR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_BU]>], |
| [5, 2], // Latency = 1 |
| [E5500_CR_Bypass, E5500_CR_Bypass]>, |
| InstrItinData<IIC_BrMCRX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0]>], |
| [5, 2, 2], // Latency = 1 |
| [E5500_CR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStDCBA, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStDCBF, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStDCBI, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStLoad, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStLoadUpd, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLoadUpdX,[InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStLDARX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<3, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 3 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStLDU, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLDUX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStStore, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStStoreUpd,[InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStICBI, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStSTFD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStSTFDU, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLFD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [8, 2, 2], // Latency = 4, Repeat rate = 1 |
| [E5500_FPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLFDU, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [8, 2, 2], // Latency = 4, Repeat rate = 1 |
| [E5500_FPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLFDUX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [8, 2, 2], // Latency = 4, Repeat rate = 1 |
| [E5500_FPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLHA, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStLHAU, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLHAUX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStLMW, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<4, [E5500_LSU_0]>], |
| [8, 2], // Latency = r+3, Repeat rate = r+3 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStLWARX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<3, [E5500_LSU_0]>], |
| [7, 2, 2], // Latency = 3, Repeat rate = 3 |
| [E5500_GPR_Bypass, |
| E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStSTD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStSTDCX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStSTDU, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStSTDUX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass], |
| 2>, // 2 micro-ops |
| InstrItinData<IIC_LdStSTWCX, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>], |
| [7, 2], // Latency = 3, Repeat rate = 1 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_LdStSync, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0]>]>, |
| InstrItinData<IIC_SprMTMSR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<2, [E5500_CFX_0]>], |
| [6, 2], // Latency = 2, Repeat rate = 4 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_SprTLBSYNC, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_LSU_0], 0>]>, |
| InstrItinData<IIC_SprMFCR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<5, [E5500_CFX_0]>], |
| [9, 2], // Latency = 5, Repeat rate = 5 |
| [E5500_GPR_Bypass, E5500_CR_Bypass]>, |
| InstrItinData<IIC_SprMFCRF, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<5, [E5500_CFX_0]>], |
| [9, 2], // Latency = 5, Repeat rate = 5 |
| [E5500_GPR_Bypass, E5500_CR_Bypass]>, |
| InstrItinData<IIC_SprMFMSR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<4, [E5500_SFX0]>], |
| [8, 2], // Latency = 4, Repeat rate = 4 |
| [E5500_GPR_Bypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_SprMFSPR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_CFX_0]>], |
| [5], // Latency = 1, Repeat rate = 1 |
| [E5500_GPR_Bypass]>, |
| InstrItinData<IIC_SprMFTB, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<4, [E5500_CFX_0]>], |
| [8, 2], // Latency = 4, Repeat rate = 4 |
| [NoBypass, E5500_GPR_Bypass]>, |
| InstrItinData<IIC_SprMTSPR, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_SFX0, E5500_SFX1]>], |
| [5], // Latency = 1, Repeat rate = 1 |
| [E5500_GPR_Bypass]>, |
| InstrItinData<IIC_FPGeneral, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_FPU_0]>], |
| [11, 2, 2], // Latency = 7, Repeat rate = 1 |
| [E5500_FPR_Bypass, |
| E5500_FPR_Bypass, E5500_FPR_Bypass]>, |
| InstrItinData<IIC_FPAddSub, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_FPU_0]>], |
| [11, 2, 2], // Latency = 7, Repeat rate = 1 |
| [E5500_FPR_Bypass, |
| E5500_FPR_Bypass, E5500_FPR_Bypass]>, |
| InstrItinData<IIC_FPCompare, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_FPU_0]>], |
| [11, 2, 2], // Latency = 7, Repeat rate = 1 |
| [E5500_CR_Bypass, |
| E5500_FPR_Bypass, E5500_FPR_Bypass]>, |
| InstrItinData<IIC_FPDivD, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<31, [E5500_FPU_0]>], |
| [39, 2, 2], // Latency = 35, Repeat rate = 31 |
| [E5500_FPR_Bypass, |
| E5500_FPR_Bypass, E5500_FPR_Bypass]>, |
| InstrItinData<IIC_FPDivS, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<16, [E5500_FPU_0]>], |
| [24, 2, 2], // Latency = 20, Repeat rate = 16 |
| [E5500_FPR_Bypass, |
| E5500_FPR_Bypass, E5500_FPR_Bypass]>, |
| InstrItinData<IIC_FPFused, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<1, [E5500_FPU_0]>], |
| [11, 2, 2, 2], // Latency = 7, Repeat rate = 1 |
| [E5500_FPR_Bypass, |
| E5500_FPR_Bypass, E5500_FPR_Bypass, |
| E5500_FPR_Bypass]>, |
| InstrItinData<IIC_FPRes, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>, |
| InstrStage<2, [E5500_FPU_0]>], |
| [12, 2], // Latency = 8, Repeat rate = 2 |
| [E5500_FPR_Bypass, E5500_FPR_Bypass]> |
| ]>; |
| |
| // ===---------------------------------------------------------------------===// |
| // e5500 machine model for scheduling and other instruction cost heuristics. |
| |
| def PPCE5500Model : SchedMachineModel { |
| let IssueWidth = 2; // 2 micro-ops are dispatched per cycle. |
| let MinLatency = -1; // OperandCycles are interpreted as MinLatency. |
| let LoadLatency = 6; // Optimistic load latency assuming bypass. |
| // This is overriden by OperandCycles if the |
| // Itineraries are queried instead. |
| |
| let Itineraries = PPCE5500Itineraries; |
| } |
