lib/Target/PowerPC/PPCScheduleE5500.td

   1 //===-- PPCScheduleE500mc.td - e5500 Scheduling Defs -------*- tablegen -*-===//
   2 //
   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
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines the itinerary class data for the Freescale e5500 64-bit
  10 // Power processor.
  11 //
  12 // All information is derived from the "e5500 Core Reference Manual",
  13 // Freescale Document Number e5500RM, Rev. 1, 03/2012.
  14 //
  15 //===----------------------------------------------------------------------===//
  16 // Relevant functional units in the Freescale e5500 core
  17 // (These are the same as for the e500mc)
  18 //
  19 //  * Decode & Dispatch
  20 //    Can dispatch up to 2 instructions per clock cycle to either the GPR Issue
  21 //    queues (GIQx), FP Issue Queue (FIQ), or Branch issue queue (BIQ).
  22 def E5500_DIS0 : FuncUnit;
  23 def E5500_DIS1 : FuncUnit;
  24
  25 //  * Execute
  26 //    6 pipelined execution units: SFX0, SFX1, BU, FPU, LSU, CFX.
  27 //    The CFX has a bypass path, allowing non-divide instructions to execute
  28 //    while a divide instruction is being executed.
  29 def E5500_SFX0  : FuncUnit; // Simple unit 0
  30 def E5500_SFX1  : FuncUnit; // Simple unit 1
  31 def E5500_BU    : FuncUnit; // Branch unit
  32 def E5500_CFX_DivBypass
  33                 : FuncUnit; // CFX divide bypass path
  34 def E5500_CFX_0 : FuncUnit; // CFX pipeline stage 0
  35
  36 def E5500_CFX_1 : FuncUnit; // CFX pipeline stage 1
  37
  38 def E5500_LSU_0 : FuncUnit; // LSU pipeline
  39 def E5500_FPU_0 : FuncUnit; // FPU pipeline
  40
  41 def E5500_GPR_Bypass : Bypass;
  42 def E5500_FPR_Bypass : Bypass;
  43 def E5500_CR_Bypass  : Bypass;
  44
  45 def PPCE5500Itineraries : ProcessorItineraries<
  46   [E5500_DIS0, E5500_DIS1, E5500_SFX0, E5500_SFX1, E5500_BU,
  47    E5500_CFX_DivBypass, E5500_CFX_0, E5500_CFX_1,
  48    E5500_LSU_0, E5500_FPU_0],
  49   [E5500_CR_Bypass, E5500_GPR_Bypass, E5500_FPR_Bypass], [
  50   InstrItinData<IIC_IntSimple,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  51                                   InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
  52                                  [5, 2, 2], // Latency = 1
  53                                  [E5500_GPR_Bypass,
  54                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
  55   InstrItinData<IIC_IntGeneral,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  56                                   InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
  57                                  [5, 2, 2], // Latency = 1
  58                                  [E5500_GPR_Bypass,
  59                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
  60   InstrItinData<IIC_IntISEL,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  61                                   InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
  62                                  [5, 2, 2, 2], // Latency = 1
  63                                  [E5500_GPR_Bypass,
  64                                   E5500_GPR_Bypass, E5500_GPR_Bypass,
  65                                   E5500_CR_Bypass]>,
  66   InstrItinData<IIC_IntCompare,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  67                                   InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
  68                                  [6, 2, 2], // Latency = 1 or 2
  69                                  [E5500_CR_Bypass,
  70                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
  71   InstrItinData<IIC_IntDivD,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  72                                   InstrStage<1, [E5500_CFX_0], 0>,
  73                                   InstrStage<26, [E5500_CFX_DivBypass]>],
  74                                  [30, 2, 2], // Latency= 4..26, Repeat rate= 4..26
  75                                  [E5500_GPR_Bypass,
  76                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
  77   InstrItinData<IIC_IntDivW,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  78                                   InstrStage<1, [E5500_CFX_0], 0>,
  79                                   InstrStage<16, [E5500_CFX_DivBypass]>],
  80                                  [20, 2, 2], // Latency= 4..16, Repeat rate= 4..16
  81                                  [E5500_GPR_Bypass,
  82                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
  83   InstrItinData<IIC_IntMFFS,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  84                                   InstrStage<1, [E5500_FPU_0]>],
  85                                  [11], // Latency = 7, Repeat rate = 1
  86                                  [E5500_FPR_Bypass]>,
  87   InstrItinData<IIC_IntMTFSB0,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  88                                   InstrStage<7, [E5500_FPU_0]>],
  89                                  [11, 2, 2], // Latency = 7, Repeat rate = 7
  90                                  [NoBypass, NoBypass, NoBypass]>,
  91   InstrItinData<IIC_IntMulHD,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  92                                   InstrStage<1, [E5500_CFX_0], 0>,
  93                                   InstrStage<2, [E5500_CFX_1]>],
  94                                  [9, 2, 2], // Latency = 4..7, Repeat rate = 2..4
  95                                  [E5500_GPR_Bypass,
  96                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
  97   InstrItinData<IIC_IntMulHW,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
  98                                   InstrStage<1, [E5500_CFX_0], 0>,
  99                                   InstrStage<1, [E5500_CFX_1]>],
 100                                  [8, 2, 2], // Latency = 4, Repeat rate = 1
 101                                  [E5500_GPR_Bypass,
 102                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 103   InstrItinData<IIC_IntMulHWU,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 104                                   InstrStage<1, [E5500_CFX_0], 0>,
 105                                   InstrStage<1, [E5500_CFX_1]>],
 106                                  [8, 2, 2], // Latency = 4, Repeat rate = 1
 107                                  [E5500_GPR_Bypass,
 108                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 109   InstrItinData<IIC_IntMulLI,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 110                                   InstrStage<1, [E5500_CFX_0], 0>,
 111                                   InstrStage<2, [E5500_CFX_1]>],
 112                                  [8, 2, 2], // Latency = 4 or 5, Repeat = 2
 113                                  [E5500_GPR_Bypass,
 114                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 115   InstrItinData<IIC_IntRotate,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 116                                   InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
 117                                  [5, 2, 2], // Latency = 1
 118                                  [E5500_GPR_Bypass,
 119                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 120   InstrItinData<IIC_IntRotateD,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 121                                   InstrStage<2, [E5500_SFX0, E5500_SFX1]>],
 122                                  [6, 2, 2], // Latency = 2, Repeat rate = 2
 123                                  [E5500_GPR_Bypass,
 124                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 125   InstrItinData<IIC_IntRotateDI, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 126                                   InstrStage<1, [E5500_SFX0, E5500_SFX1]>],
 127                                  [5, 2, 2], // Latency = 1, Repeat rate = 1
 128                                  [E5500_GPR_Bypass,
 129                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 130   InstrItinData<IIC_IntShift,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 131                                   InstrStage<2, [E5500_SFX0, E5500_SFX1]>],
 132                                  [6, 2, 2], // Latency = 2, Repeat rate = 2
 133                                  [E5500_GPR_Bypass,
 134                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 135   InstrItinData<IIC_IntTrapW,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 136                                   InstrStage<2, [E5500_SFX0]>],
 137                                  [6, 2], // Latency = 2, Repeat rate = 2
 138                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 139   InstrItinData<IIC_BrB,         [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 140                                   InstrStage<1, [E5500_BU]>],
 141                                  [5, 2], // Latency = 1
 142                                  [NoBypass, E5500_GPR_Bypass]>,
 143   InstrItinData<IIC_BrCR,        [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 144                                   InstrStage<1, [E5500_BU]>],
 145                                  [5, 2, 2], // Latency = 1
 146                                  [E5500_CR_Bypass,
 147                                   E5500_CR_Bypass, E5500_CR_Bypass]>,
 148   InstrItinData<IIC_BrMCR,       [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 149                                   InstrStage<1, [E5500_BU]>],
 150                                  [5, 2], // Latency = 1
 151                                  [E5500_CR_Bypass, E5500_CR_Bypass]>,
 152   InstrItinData<IIC_BrMCRX,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 153                                   InstrStage<1, [E5500_CFX_0]>],
 154                                  [5, 2, 2], // Latency = 1
 155                                  [E5500_CR_Bypass, E5500_GPR_Bypass]>,
 156   InstrItinData<IIC_LdStDCBA,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 157                                   InstrStage<1, [E5500_LSU_0]>],
 158                                  [7, 2], // Latency = 3, Repeat rate = 1
 159                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 160   InstrItinData<IIC_LdStDCBF,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 161                                   InstrStage<1, [E5500_LSU_0]>],
 162                                  [7, 2], // Latency = 3, Repeat rate = 1
 163                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 164   InstrItinData<IIC_LdStDCBI,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 165                                   InstrStage<1, [E5500_LSU_0]>],
 166                                  [7, 2], // Latency = 3, Repeat rate = 1
 167                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 168   InstrItinData<IIC_LdStLoad,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 169                                   InstrStage<1, [E5500_LSU_0]>],
 170                                  [7, 2], // Latency = 3
 171                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 172   InstrItinData<IIC_LdStLoadUpd, [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 173                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 174                                   InstrStage<1, [E5500_LSU_0]>],
 175                                  [7, 2], // Latency = 3, Repeat rate = 1
 176                                  [E5500_GPR_Bypass, E5500_GPR_Bypass],
 177                                  2>, // 2 micro-ops
 178   InstrItinData<IIC_LdStLoadUpdX,[InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 179                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 180                                   InstrStage<1, [E5500_LSU_0]>],
 181                                  [7, 2], // Latency = 3, Repeat rate = 1
 182                                  [E5500_GPR_Bypass, E5500_GPR_Bypass],
 183                                  2>, // 2 micro-ops
 184   InstrItinData<IIC_LdStLD,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 185                                   InstrStage<1, [E5500_LSU_0]>],
 186                                  [7, 2], // Latency = 3, Repeat rate = 1
 187                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 188   InstrItinData<IIC_LdStLDARX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 189                                   InstrStage<3, [E5500_LSU_0]>],
 190                                  [7, 2], // Latency = 3, Repeat rate = 3
 191                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 192   InstrItinData<IIC_LdStLDU,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 193                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 194                                   InstrStage<1, [E5500_LSU_0]>],
 195                                  [7, 2], // Latency = 3, Repeat rate = 1
 196                                  [E5500_GPR_Bypass, E5500_GPR_Bypass],
 197                                  2>, // 2 micro-ops
 198   InstrItinData<IIC_LdStLDUX,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 199                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 200                                   InstrStage<1, [E5500_LSU_0]>],
 201                                  [7, 2], // Latency = 3, Repeat rate = 1
 202                                  [E5500_GPR_Bypass, E5500_GPR_Bypass],
 203                                  2>, // 2 micro-ops
 204   InstrItinData<IIC_LdStStore,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 205                                   InstrStage<1, [E5500_LSU_0]>],
 206                                  [7, 2], // Latency = 3, Repeat rate = 1
 207                                  [NoBypass, E5500_GPR_Bypass]>,
 208   InstrItinData<IIC_LdStICBI,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 209                                   InstrStage<1, [E5500_LSU_0]>],
 210                                  [7, 2], // Latency = 3, Repeat rate = 1
 211                                  [NoBypass, E5500_GPR_Bypass]>,
 212   InstrItinData<IIC_LdStSTFD,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 213                                   InstrStage<1, [E5500_LSU_0]>],
 214                                  [7, 2, 2], // Latency = 3, Repeat rate = 1
 215                                  [E5500_GPR_Bypass,
 216                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 217   InstrItinData<IIC_LdStSTFDU,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 218                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 219                                   InstrStage<1, [E5500_LSU_0]>],
 220                                  [7, 2, 2], // Latency = 3, Repeat rate = 1
 221                                  [E5500_GPR_Bypass,
 222                                   E5500_GPR_Bypass, E5500_GPR_Bypass],
 223                                  2>, // 2 micro-ops
 224   InstrItinData<IIC_LdStLFD,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 225                                   InstrStage<1, [E5500_LSU_0]>],
 226                                  [8, 2, 2], // Latency = 4, Repeat rate = 1
 227                                  [E5500_FPR_Bypass,
 228                                   E5500_GPR_Bypass, E5500_GPR_Bypass],
 229                                  2>, // 2 micro-ops
 230   InstrItinData<IIC_LdStLFDU,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 231                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 232                                   InstrStage<1, [E5500_LSU_0]>],
 233                                  [8, 2, 2], // Latency = 4, Repeat rate = 1
 234                                  [E5500_FPR_Bypass,
 235                                   E5500_GPR_Bypass, E5500_GPR_Bypass],
 236                                  2>, // 2 micro-ops
 237   InstrItinData<IIC_LdStLFDUX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 238                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 239                                   InstrStage<1, [E5500_LSU_0]>],
 240                                  [8, 2, 2], // Latency = 4, Repeat rate = 1
 241                                  [E5500_FPR_Bypass,
 242                                   E5500_GPR_Bypass, E5500_GPR_Bypass],
 243                                  2>, // 2 micro-ops
 244   InstrItinData<IIC_LdStLHA,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 245                                   InstrStage<1, [E5500_LSU_0]>],
 246                                  [7, 2], // Latency = 3
 247                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 248   InstrItinData<IIC_LdStLHAU,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 249                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 250                                   InstrStage<1, [E5500_LSU_0]>],
 251                                  [7, 2], // Latency = 3, Repeat rate = 1
 252                                  [E5500_GPR_Bypass, E5500_GPR_Bypass],
 253                                  2>, // 2 micro-ops
 254   InstrItinData<IIC_LdStLHAUX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 255                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 256                                   InstrStage<1, [E5500_LSU_0]>],
 257                                  [7, 2], // Latency = 3, Repeat rate = 1
 258                                  [E5500_GPR_Bypass, E5500_GPR_Bypass],
 259                                  2>, // 2 micro-ops
 260   InstrItinData<IIC_LdStLMW,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 261                                   InstrStage<4, [E5500_LSU_0]>],
 262                                  [8, 2], // Latency = r+3, Repeat rate = r+3
 263                                  [NoBypass, E5500_GPR_Bypass]>,
 264   InstrItinData<IIC_LdStLWARX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 265                                   InstrStage<3, [E5500_LSU_0]>],
 266                                  [7, 2, 2], // Latency = 3, Repeat rate = 3
 267                                  [E5500_GPR_Bypass,
 268                                   E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 269   InstrItinData<IIC_LdStSTD,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 270                                   InstrStage<1, [E5500_LSU_0]>],
 271                                  [7, 2], // Latency = 3, Repeat rate = 1
 272                                  [NoBypass, E5500_GPR_Bypass]>,
 273   InstrItinData<IIC_LdStSTDCX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 274                                   InstrStage<1, [E5500_LSU_0]>],
 275                                  [7, 2], // Latency = 3, Repeat rate = 1
 276                                  [NoBypass, E5500_GPR_Bypass]>,
 277   InstrItinData<IIC_LdStSTU,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 278                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 279                                   InstrStage<1, [E5500_LSU_0]>],
 280                                  [7, 2], // Latency = 3, Repeat rate = 1
 281                                  [NoBypass, E5500_GPR_Bypass],
 282                                  2>, // 2 micro-ops
 283   InstrItinData<IIC_LdStSTUX,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 284                                   InstrStage<1, [E5500_SFX0, E5500_SFX1], 0>,
 285                                   InstrStage<1, [E5500_LSU_0]>],
 286                                  [7, 2], // Latency = 3, Repeat rate = 1
 287                                  [NoBypass, E5500_GPR_Bypass],
 288                                  2>, // 2 micro-ops
 289   InstrItinData<IIC_LdStSTWCX,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 290                                   InstrStage<1, [E5500_LSU_0]>],
 291                                  [7, 2], // Latency = 3, Repeat rate = 1
 292                                  [NoBypass, E5500_GPR_Bypass]>,
 293   InstrItinData<IIC_LdStSync,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 294                                   InstrStage<1, [E5500_LSU_0]>]>,
 295   InstrItinData<IIC_SprMTMSR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 296                                   InstrStage<2, [E5500_CFX_0]>],
 297                                  [6, 2], // Latency = 2, Repeat rate = 4
 298                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 299   InstrItinData<IIC_SprTLBSYNC,  [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 300                                   InstrStage<1, [E5500_LSU_0], 0>]>,
 301   InstrItinData<IIC_SprMFCR,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 302                                   InstrStage<5, [E5500_CFX_0]>],
 303                                  [9, 2], // Latency = 5, Repeat rate = 5
 304                                  [E5500_GPR_Bypass, E5500_CR_Bypass]>,
 305   InstrItinData<IIC_SprMFCRF,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 306                                   InstrStage<5, [E5500_CFX_0]>],
 307                                  [9, 2], // Latency = 5, Repeat rate = 5
 308                                  [E5500_GPR_Bypass, E5500_CR_Bypass]>,
 309   InstrItinData<IIC_SprMFPMR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 310                                   InstrStage<4, [E5500_CFX_0]>],
 311                                  [8, 2], // Latency = 4, Repeat rate = 4
 312                                  [E5500_GPR_Bypass, E5500_GPR_Bypass]>,
 313   InstrItinData<IIC_SprMFSPR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 314                                   InstrStage<1, [E5500_CFX_0]>],
 315                                  [5], // Latency = 1, Repeat rate = 1
 316                                  [E5500_GPR_Bypass]>,
 317   InstrItinData<IIC_SprMTPMR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 318                                   InstrStage<1, [E5500_CFX_0]>],
 319                                  [5], // Latency = 1, Repeat rate = 1
 320                                  [E5500_GPR_Bypass]>,
 321   InstrItinData<IIC_SprMFTB,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 322                                   InstrStage<4, [E5500_CFX_0]>],
 323                                  [8, 2], // Latency = 4, Repeat rate = 4
 324                                  [NoBypass, E5500_GPR_Bypass]>,
 325   InstrItinData<IIC_SprMTSPR,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 326                                   InstrStage<1, [E5500_CFX_0]>],
 327                                  [5], // Latency = 1, Repeat rate = 1
 328                                  [E5500_GPR_Bypass]>,
 329   InstrItinData<IIC_FPGeneral,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 330                                   InstrStage<1, [E5500_FPU_0]>],
 331                                  [11, 2, 2], // Latency = 7, Repeat rate = 1
 332                                  [E5500_FPR_Bypass,
 333                                   E5500_FPR_Bypass, E5500_FPR_Bypass]>,
 334   InstrItinData<IIC_FPAddSub,    [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 335                                   InstrStage<1, [E5500_FPU_0]>],
 336                                  [11, 2, 2], // Latency = 7, Repeat rate = 1
 337                                  [E5500_FPR_Bypass,
 338                                   E5500_FPR_Bypass, E5500_FPR_Bypass]>,
 339   InstrItinData<IIC_FPCompare,   [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 340                                   InstrStage<1, [E5500_FPU_0]>],
 341                                  [11, 2, 2], // Latency = 7, Repeat rate = 1
 342                                  [E5500_CR_Bypass,
 343                                   E5500_FPR_Bypass, E5500_FPR_Bypass]>,
 344   InstrItinData<IIC_FPDivD,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 345                                   InstrStage<31, [E5500_FPU_0]>],
 346                                  [39, 2, 2], // Latency = 35, Repeat rate = 31
 347                                  [E5500_FPR_Bypass,
 348                                   E5500_FPR_Bypass, E5500_FPR_Bypass]>,
 349   InstrItinData<IIC_FPDivS,      [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 350                                   InstrStage<16, [E5500_FPU_0]>],
 351                                  [24, 2, 2], // Latency = 20, Repeat rate = 16
 352                                  [E5500_FPR_Bypass,
 353                                   E5500_FPR_Bypass, E5500_FPR_Bypass]>,
 354   InstrItinData<IIC_FPFused,     [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 355                                   InstrStage<1, [E5500_FPU_0]>],
 356                                  [11, 2, 2, 2], // Latency = 7, Repeat rate = 1
 357                                  [E5500_FPR_Bypass,
 358                                   E5500_FPR_Bypass, E5500_FPR_Bypass,
 359                                   E5500_FPR_Bypass]>,
 360   InstrItinData<IIC_FPRes,       [InstrStage<1, [E5500_DIS0, E5500_DIS1], 0>,
 361                                   InstrStage<2, [E5500_FPU_0]>],
 362                                  [12, 2], // Latency = 8, Repeat rate = 2
 363                                  [E5500_FPR_Bypass, E5500_FPR_Bypass]>
 364 ]>;
 365
 366 // ===---------------------------------------------------------------------===//
 367 // e5500 machine model for scheduling and other instruction cost heuristics.
 368
 369 def PPCE5500Model : SchedMachineModel {
 370   let IssueWidth = 2;  // 2 micro-ops are dispatched per cycle.
 371   let LoadLatency = 6; // Optimistic load latency assuming bypass.
 372                        // This is overriden by OperandCycles if the
 373                        // Itineraries are queried instead.
 374
 375   let CompleteModel = 0;
 376
 377   let Itineraries = PPCE5500Itineraries;
 378 }