lib/Target/PowerPC/PPCSchedule440.td

   1 //===-- PPCSchedule440.td - PPC 440 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
  10 // Primary reference:
  11 // PowerPC 440x6 Embedded Processor Core User's Manual.
  12 // IBM (as updated in) 2010.
  13
  14 // The basic PPC 440 does not include a floating-point unit; the pipeline
  15 // timings here are constructed to match the FP2 unit shipped with the
  16 // PPC-440- and PPC-450-based Blue Gene (L and P) supercomputers.
  17 // References:
  18 // S. Chatterjee, et al. Design and exploitation of a high-performance
  19 // SIMD floating-point unit for Blue Gene/L.
  20 // IBM J. Res. & Dev. 49 (2/3) March/May 2005.
  21 // also:
  22 // Carlos Sosa and Brant Knudson. IBM System Blue Gene Solution:
  23 // Blue Gene/P Application Development.
  24 // IBM (as updated in) 2009.
  25
  26 //===----------------------------------------------------------------------===//
  27 // Functional units on the PowerPC 440/450 chip sets
  28 //
  29 def IFTH1  : FuncUnit; // Fetch unit 1
  30 def IFTH2  : FuncUnit; // Fetch unit 2
  31 def PDCD1  : FuncUnit; // Decode unit 1
  32 def PDCD2  : FuncUnit; // Decode unit 2
  33 def DISS1  : FuncUnit; // Issue unit 1
  34 def DISS2  : FuncUnit; // Issue unit 2
  35 def LRACC  : FuncUnit; // Register access and dispatch for
  36                        // the simple integer (J-pipe) and
  37                        // load/store (L-pipe) pipelines
  38 def IRACC  : FuncUnit; // Register access and dispatch for
  39                        // the complex integer (I-pipe) pipeline
  40 def FRACC  : FuncUnit; // Register access and dispatch for
  41                        // the floating-point execution (F-pipe) pipeline
  42 def IEXE1  : FuncUnit; // Execution stage 1 for the I pipeline
  43 def IEXE2  : FuncUnit; // Execution stage 2 for the I pipeline
  44 def IWB    : FuncUnit; // Write-back unit for the I pipeline
  45 def JEXE1  : FuncUnit; // Execution stage 1 for the J pipeline
  46 def JEXE2  : FuncUnit; // Execution stage 2 for the J pipeline
  47 def JWB    : FuncUnit; // Write-back unit for the J pipeline
  48 def AGEN   : FuncUnit; // Address generation for the L pipeline
  49 def CRD    : FuncUnit; // D-cache access for the L pipeline
  50 def LWB    : FuncUnit; // Write-back unit for the L pipeline
  51 def FEXE1  : FuncUnit; // Execution stage 1 for the F pipeline
  52 def FEXE2  : FuncUnit; // Execution stage 2 for the F pipeline
  53 def FEXE3  : FuncUnit; // Execution stage 3 for the F pipeline
  54 def FEXE4  : FuncUnit; // Execution stage 4 for the F pipeline
  55 def FEXE5  : FuncUnit; // Execution stage 5 for the F pipeline
  56 def FEXE6  : FuncUnit; // Execution stage 6 for the F pipeline
  57 def FWB    : FuncUnit; // Write-back unit for the F pipeline
  58
  59 def LWARX_Hold : FuncUnit; // This is a pseudo-unit which is used
  60                            // to make sure that no lwarx/stwcx.
  61                            // instructions are issued while another
  62                            // lwarx/stwcx. is in the L pipe.
  63
  64 def GPR_Bypass : Bypass; // The bypass for general-purpose regs.
  65 def FPR_Bypass : Bypass; // The bypass for floating-point regs.
  66
  67 // Notes:
  68 // Instructions are held in the FRACC, LRACC and IRACC pipeline
  69 // stages until their source operands become ready. Exceptions:
  70 //  - Store instructions will hold in the AGEN stage
  71 //  - The integer multiply-accumulate instruction will hold in
  72 //    the IEXE1 stage
  73 //
  74 // For most I-pipe operations, the result is available at the end of
  75 // the IEXE1 stage. Operations such as multiply and divide must
  76 // continue to execute in IEXE2 and IWB. Divide resides in IWB for
  77 // 33 cycles (multiply also calculates its result in IWB). For all
  78 // J-pipe instructions, the result is available
  79 // at the end of the JEXE1 stage. Loads have a 3-cycle latency
  80 // (data is not available until after the LWB stage).
  81 //
  82 // The L1 cache hit latency is four cycles for floating point loads
  83 // and three cycles for integer loads.
  84 //
  85 // The stwcx. instruction requires both the LRACC and the IRACC
  86 // dispatch stages. It must be issued from DISS0.
  87 //
  88 // All lwarx/stwcx. instructions hold in LRACC if another
  89 // uncommitted lwarx/stwcx. is in AGEN, CRD, or LWB.
  90 //
  91 // msync (a.k.a. sync) and mbar will hold in LWB until all load/store
  92 // resources are empty. AGEN and CRD are held empty until the msync/mbar
  93 // commits.
  94 //
  95 // Most floating-point instructions, computational and move,
  96 // have a 5-cycle latency. Divide takes longer (30 cycles). Instructions that
  97 // update the CR take 2 cycles. Stores take 3 cycles and, as mentioned above,
  98 // loads take 4 cycles (for L1 hit).
  99
 100 //
 101 // This file defines the itinerary class data for the PPC 440 processor.
 102 //
 103 //===----------------------------------------------------------------------===//
 104
 105
 106 def PPC440Itineraries : ProcessorItineraries<
 107   [IFTH1, IFTH2, PDCD1, PDCD2, DISS1, DISS2, FRACC,
 108    IRACC, IEXE1, IEXE2, IWB, LRACC, JEXE1, JEXE2, JWB, AGEN, CRD, LWB,
 109    FEXE1, FEXE2, FEXE3, FEXE4, FEXE5, FEXE6, FWB, LWARX_Hold],
 110   [GPR_Bypass, FPR_Bypass], [
 111   InstrItinData<IntSimple  , [InstrStage<1, [IFTH1, IFTH2]>,
 112                                InstrStage<1, [PDCD1, PDCD2]>,
 113                                InstrStage<1, [DISS1, DISS2]>,
 114                                InstrStage<1, [IRACC, LRACC]>,
 115                                InstrStage<1, [IEXE1, JEXE1]>,
 116                                InstrStage<1, [IEXE2, JEXE2]>,
 117                                InstrStage<1, [IWB, JWB]>],
 118                               [6, 4, 4],
 119                               [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
 120   InstrItinData<IntGeneral  , [InstrStage<1, [IFTH1, IFTH2]>,
 121                                InstrStage<1, [PDCD1, PDCD2]>,
 122                                InstrStage<1, [DISS1, DISS2]>,
 123                                InstrStage<1, [IRACC, LRACC]>,
 124                                InstrStage<1, [IEXE1, JEXE1]>,
 125                                InstrStage<1, [IEXE2, JEXE2]>,
 126                                InstrStage<1, [IWB, JWB]>],
 127                               [6, 4, 4],
 128                               [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
 129   InstrItinData<IntCompare  , [InstrStage<1, [IFTH1, IFTH2]>,
 130                                InstrStage<1, [PDCD1, PDCD2]>,
 131                                InstrStage<1, [DISS1, DISS2]>,
 132                                InstrStage<1, [IRACC, LRACC]>,
 133                                InstrStage<1, [IEXE1, JEXE1]>,
 134                                InstrStage<1, [IEXE2, JEXE2]>,
 135                                InstrStage<1, [IWB, JWB]>],
 136                               [6, 4, 4],
 137                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 138   InstrItinData<IntDivW     , [InstrStage<1, [IFTH1, IFTH2]>,
 139                                InstrStage<1, [PDCD1, PDCD2]>,
 140                                InstrStage<1, [DISS1, DISS2]>,
 141                                InstrStage<1, [IRACC]>,
 142                                InstrStage<1, [IEXE1]>,
 143                                InstrStage<1, [IEXE2]>,
 144                                InstrStage<33, [IWB]>],
 145                               [40, 4, 4],
 146                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 147   InstrItinData<IntMFFS     , [InstrStage<1, [IFTH1, IFTH2]>,
 148                                InstrStage<1, [PDCD1, PDCD2]>,
 149                                InstrStage<1, [DISS1, DISS2]>,
 150                                InstrStage<1, [IRACC]>,
 151                                InstrStage<1, [IEXE1]>,
 152                                InstrStage<1, [IEXE2]>,
 153                                InstrStage<1, [IWB]>],
 154                               [7, 4, 4],
 155                               [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
 156   InstrItinData<IntMTFSB0   , [InstrStage<1, [IFTH1, IFTH2]>,
 157                                InstrStage<1, [PDCD1, PDCD2]>,
 158                                InstrStage<1, [DISS1, DISS2]>,
 159                                InstrStage<1, [IRACC]>,
 160                                InstrStage<1, [IEXE1]>,
 161                                InstrStage<1, [IEXE2]>,
 162                                InstrStage<1, [IWB]>],
 163                               [7, 4, 4],
 164                               [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
 165   InstrItinData<IntMulHW    , [InstrStage<1, [IFTH1, IFTH2]>,
 166                                InstrStage<1, [PDCD1, PDCD2]>,
 167                                InstrStage<1, [DISS1, DISS2]>,
 168                                InstrStage<1, [IRACC]>,
 169                                InstrStage<1, [IEXE1]>,
 170                                InstrStage<1, [IEXE2]>,
 171                                InstrStage<1, [IWB]>],
 172                               [8, 4, 4],
 173                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 174   InstrItinData<IntMulHWU   , [InstrStage<1, [IFTH1, IFTH2]>,
 175                                InstrStage<1, [PDCD1, PDCD2]>,
 176                                InstrStage<1, [DISS1, DISS2]>,
 177                                InstrStage<1, [IRACC]>,
 178                                InstrStage<1, [IEXE1]>,
 179                                InstrStage<1, [IEXE2]>,
 180                                InstrStage<1, [IWB]>],
 181                               [8, 4, 4],
 182                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 183   InstrItinData<IntMulLI    , [InstrStage<1, [IFTH1, IFTH2]>,
 184                                InstrStage<1, [PDCD1, PDCD2]>,
 185                                InstrStage<1, [DISS1, DISS2]>,
 186                                InstrStage<1, [IRACC]>,
 187                                InstrStage<1, [IEXE1]>,
 188                                InstrStage<1, [IEXE2]>,
 189                                InstrStage<1, [IWB]>],
 190                               [8, 4, 4],
 191                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 192   InstrItinData<IntRotate   , [InstrStage<1, [IFTH1, IFTH2]>,
 193                                InstrStage<1, [PDCD1, PDCD2]>,
 194                                InstrStage<1, [DISS1, DISS2]>,
 195                                InstrStage<1, [IRACC, LRACC]>,
 196                                InstrStage<1, [IEXE1, JEXE1]>,
 197                                InstrStage<1, [IEXE2, JEXE2]>,
 198                                InstrStage<1, [IWB, JWB]>],
 199                               [6, 4, 4],
 200                               [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
 201   InstrItinData<IntShift    , [InstrStage<1, [IFTH1, IFTH2]>,
 202                                InstrStage<1, [PDCD1, PDCD2]>,
 203                                InstrStage<1, [DISS1, DISS2]>,
 204                                InstrStage<1, [IRACC, LRACC]>,
 205                                InstrStage<1, [IEXE1, JEXE1]>,
 206                                InstrStage<1, [IEXE2, JEXE2]>,
 207                                InstrStage<1, [IWB, JWB]>],
 208                               [6, 4, 4],
 209                               [GPR_Bypass, GPR_Bypass, GPR_Bypass]>,
 210   InstrItinData<IntTrapW    , [InstrStage<1, [IFTH1, IFTH2]>,
 211                                InstrStage<1, [PDCD1, PDCD2]>,
 212                                InstrStage<1, [DISS1, DISS2]>,
 213                                InstrStage<1, [IRACC]>,
 214                                InstrStage<1, [IEXE1]>,
 215                                InstrStage<1, [IEXE2]>,
 216                                InstrStage<1, [IWB]>],
 217                               [6, 4],
 218                               [GPR_Bypass, GPR_Bypass]>,
 219   InstrItinData<BrB         , [InstrStage<1, [IFTH1, IFTH2]>,
 220                                InstrStage<1, [PDCD1, PDCD2]>,
 221                                InstrStage<1, [DISS1, DISS2]>,
 222                                InstrStage<1, [IRACC]>,
 223                                InstrStage<1, [IEXE1]>,
 224                                InstrStage<1, [IEXE2]>,
 225                                InstrStage<1, [IWB]>],
 226                               [8, 4],
 227                               [NoBypass, GPR_Bypass]>,
 228   InstrItinData<BrCR        , [InstrStage<1, [IFTH1, IFTH2]>,
 229                                InstrStage<1, [PDCD1, PDCD2]>,
 230                                InstrStage<1, [DISS1, DISS2]>,
 231                                InstrStage<1, [IRACC]>,
 232                                InstrStage<1, [IEXE1]>,
 233                                InstrStage<1, [IEXE2]>,
 234                                InstrStage<1, [IWB]>],
 235                               [8, 4, 4],
 236                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 237   InstrItinData<BrMCR       , [InstrStage<1, [IFTH1, IFTH2]>,
 238                                InstrStage<1, [PDCD1, PDCD2]>,
 239                                InstrStage<1, [DISS1, DISS2]>,
 240                                InstrStage<1, [IRACC]>,
 241                                InstrStage<1, [IEXE1]>,
 242                                InstrStage<1, [IEXE2]>,
 243                                InstrStage<1, [IWB]>],
 244                               [8, 4, 4],
 245                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 246   InstrItinData<BrMCRX      , [InstrStage<1, [IFTH1, IFTH2]>,
 247                                InstrStage<1, [PDCD1, PDCD2]>,
 248                                InstrStage<1, [DISS1, DISS2]>,
 249                                InstrStage<1, [IRACC]>,
 250                                InstrStage<1, [IEXE1]>,
 251                                InstrStage<1, [IEXE2]>,
 252                                InstrStage<1, [IWB]>],
 253                               [8, 4, 4],
 254                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 255   InstrItinData<LdStDCBA    , [InstrStage<1, [IFTH1, IFTH2]>,
 256                                InstrStage<1, [PDCD1, PDCD2]>,
 257                                InstrStage<1, [DISS1, DISS2]>,
 258                                InstrStage<1, [LRACC]>,
 259                                InstrStage<1, [AGEN]>,
 260                                InstrStage<1, [CRD]>,
 261                                InstrStage<1, [LWB]>],
 262                               [8, 5],
 263                               [NoBypass, GPR_Bypass]>,
 264   InstrItinData<LdStDCBF    , [InstrStage<1, [IFTH1, IFTH2]>,
 265                                InstrStage<1, [PDCD1, PDCD2]>,
 266                                InstrStage<1, [DISS1, DISS2]>,
 267                                InstrStage<1, [LRACC]>,
 268                                InstrStage<1, [AGEN]>,
 269                                InstrStage<1, [CRD]>,
 270                                InstrStage<1, [LWB]>],
 271                               [8, 5],
 272                               [NoBypass, GPR_Bypass]>,
 273   InstrItinData<LdStDCBI    , [InstrStage<1, [IFTH1, IFTH2]>,
 274                                InstrStage<1, [PDCD1, PDCD2]>,
 275                                InstrStage<1, [DISS1, DISS2]>,
 276                                InstrStage<1, [LRACC]>,
 277                                InstrStage<1, [AGEN]>,
 278                                InstrStage<1, [CRD]>,
 279                                InstrStage<1, [LWB]>],
 280                               [8, 5],
 281                               [NoBypass, GPR_Bypass]>,
 282   InstrItinData<LdStLoad    , [InstrStage<1, [IFTH1, IFTH2]>,
 283                                InstrStage<1, [PDCD1, PDCD2]>,
 284                                InstrStage<1, [DISS1, DISS2]>,
 285                                InstrStage<1, [LRACC]>,
 286                                InstrStage<1, [AGEN]>,
 287                                InstrStage<1, [CRD]>,
 288                                InstrStage<2, [LWB]>],
 289                               [9, 5],
 290                               [GPR_Bypass, GPR_Bypass]>,
 291   InstrItinData<LdStLoadUpd , [InstrStage<1, [IFTH1, IFTH2]>,
 292                                InstrStage<1, [PDCD1, PDCD2]>,
 293                                InstrStage<1, [DISS1, DISS2]>,
 294                                InstrStage<1, [LRACC]>,
 295                                InstrStage<1, [AGEN]>,
 296                                InstrStage<1, [CRD]>,
 297                                InstrStage<2, [LWB]>],
 298                               [9, 5],
 299                               [GPR_Bypass, GPR_Bypass]>,
 300   InstrItinData<LdStStore   , [InstrStage<1, [IFTH1, IFTH2]>,
 301                                InstrStage<1, [PDCD1, PDCD2]>,
 302                                InstrStage<1, [DISS1, DISS2]>,
 303                                InstrStage<1, [LRACC]>,
 304                                InstrStage<1, [AGEN]>,
 305                                InstrStage<1, [CRD]>,
 306                                InstrStage<2, [LWB]>],
 307                               [8, 5],
 308                               [NoBypass, GPR_Bypass]>,
 309   InstrItinData<LdStStoreUpd, [InstrStage<1, [IFTH1, IFTH2]>,
 310                                InstrStage<1, [PDCD1, PDCD2]>,
 311                                InstrStage<1, [DISS1, DISS2]>,
 312                                InstrStage<1, [LRACC]>,
 313                                InstrStage<1, [AGEN]>,
 314                                InstrStage<1, [CRD]>,
 315                                InstrStage<2, [LWB]>],
 316                               [8, 5],
 317                               [NoBypass, GPR_Bypass]>,
 318   InstrItinData<LdStICBI    , [InstrStage<1, [IFTH1, IFTH2]>,
 319                                InstrStage<1, [PDCD1, PDCD2]>,
 320                                InstrStage<1, [DISS1, DISS2]>,
 321                                InstrStage<1, [LRACC]>,
 322                                InstrStage<1, [AGEN]>,
 323                                InstrStage<1, [CRD]>,
 324                                InstrStage<1, [LWB]>],
 325                               [8, 5],
 326                               [NoBypass, GPR_Bypass]>,
 327   InstrItinData<LdStSTFD    , [InstrStage<1, [IFTH1, IFTH2]>,
 328                                InstrStage<1, [PDCD1, PDCD2]>,
 329                                InstrStage<1, [DISS1, DISS2]>,
 330                                InstrStage<1, [LRACC]>,
 331                                InstrStage<1, [AGEN]>,
 332                                InstrStage<1, [CRD]>,
 333                                InstrStage<1, [LWB]>],
 334                               [8, 5, 5],
 335                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 336   InstrItinData<LdStSTFDU   , [InstrStage<1, [IFTH1, IFTH2]>,
 337                                InstrStage<1, [PDCD1, PDCD2]>,
 338                                InstrStage<1, [DISS1, DISS2]>,
 339                                InstrStage<1, [LRACC]>,
 340                                InstrStage<1, [AGEN]>,
 341                                InstrStage<1, [CRD]>,
 342                                InstrStage<1, [LWB]>],
 343                               [8, 5, 5],
 344                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 345   InstrItinData<LdStLFD     , [InstrStage<1, [IFTH1, IFTH2]>,
 346                                InstrStage<1, [PDCD1, PDCD2]>,
 347                                InstrStage<1, [DISS1, DISS2]>,
 348                                InstrStage<1, [LRACC]>,
 349                                InstrStage<1, [AGEN]>,
 350                                InstrStage<1, [CRD]>,
 351                                InstrStage<2, [LWB]>],
 352                               [9, 5, 5],
 353                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 354   InstrItinData<LdStLFDU    , [InstrStage<1, [IFTH1, IFTH2]>,
 355                                InstrStage<1, [PDCD1, PDCD2]>,
 356                                InstrStage<1, [DISS1, DISS2]>,
 357                                InstrStage<1, [LRACC]>,
 358                                InstrStage<1, [AGEN]>,
 359                                InstrStage<1, [CRD]>,
 360                                InstrStage<1, [LWB]>],
 361                               [9, 5, 5],
 362                               [NoBypass, GPR_Bypass, GPR_Bypass]>,
 363   InstrItinData<LdStLHA     , [InstrStage<1, [IFTH1, IFTH2]>,
 364                                InstrStage<1, [PDCD1, PDCD2]>,
 365                                InstrStage<1, [DISS1, DISS2]>,
 366                                InstrStage<1, [LRACC]>,
 367                                InstrStage<1, [AGEN]>,
 368                                InstrStage<1, [CRD]>,
 369                                InstrStage<1, [LWB]>],
 370                               [8, 5],
 371                               [NoBypass, GPR_Bypass]>,
 372   InstrItinData<LdStLHAU    , [InstrStage<1, [IFTH1, IFTH2]>,
 373                                InstrStage<1, [PDCD1, PDCD2]>,
 374                                InstrStage<1, [DISS1, DISS2]>,
 375                                InstrStage<1, [LRACC]>,
 376                                InstrStage<1, [AGEN]>,
 377                                InstrStage<1, [CRD]>,
 378                                InstrStage<1, [LWB]>],
 379                               [8, 5],
 380                               [NoBypass, GPR_Bypass]>,
 381   InstrItinData<LdStLMW     , [InstrStage<1, [IFTH1, IFTH2]>,
 382                                InstrStage<1, [PDCD1, PDCD2]>,
 383                                InstrStage<1, [DISS1, DISS2]>,
 384                                InstrStage<1, [LRACC]>,
 385                                InstrStage<1, [AGEN]>,
 386                                InstrStage<1, [CRD]>,
 387                                InstrStage<1, [LWB]>],
 388                               [8, 5],
 389                               [NoBypass, GPR_Bypass]>,
 390   InstrItinData<LdStLWARX   , [InstrStage<1, [IFTH1, IFTH2]>,
 391                                InstrStage<1, [PDCD1, PDCD2]>,
 392                                InstrStage<1, [DISS1]>,
 393                                InstrStage<1, [IRACC], 0>,
 394                                InstrStage<4, [LWARX_Hold], 0>,
 395                                InstrStage<1, [LRACC]>,
 396                                InstrStage<1, [AGEN]>,
 397                                InstrStage<1, [CRD]>,
 398                                InstrStage<1, [LWB]>],
 399                               [8, 5],
 400                               [NoBypass, GPR_Bypass]>,
 401   InstrItinData<LdStSTD     , [InstrStage<1, [IFTH1, IFTH2]>,
 402                                InstrStage<1, [PDCD1, PDCD2]>,
 403                                InstrStage<1, [DISS1, DISS2]>,
 404                                InstrStage<1, [LRACC]>,
 405                                InstrStage<1, [AGEN]>,
 406                                InstrStage<1, [CRD]>,
 407                                InstrStage<2, [LWB]>],
 408                               [8, 5],
 409                               [NoBypass, GPR_Bypass]>,
 410   InstrItinData<LdStSTDU    , [InstrStage<1, [IFTH1, IFTH2]>,
 411                                InstrStage<1, [PDCD1, PDCD2]>,
 412                                InstrStage<1, [DISS1, DISS2]>,
 413                                InstrStage<1, [LRACC]>,
 414                                InstrStage<1, [AGEN]>,
 415                                InstrStage<1, [CRD]>,
 416                                InstrStage<2, [LWB]>],
 417                               [8, 5],
 418                               [NoBypass, GPR_Bypass]>,
 419   InstrItinData<LdStSTDCX   , [InstrStage<1, [IFTH1, IFTH2]>,
 420                                InstrStage<1, [PDCD1, PDCD2]>,
 421                                InstrStage<1, [DISS1]>,
 422                                InstrStage<1, [IRACC], 0>,
 423                                InstrStage<4, [LWARX_Hold], 0>,
 424                                InstrStage<1, [LRACC]>,
 425                                InstrStage<1, [AGEN]>,
 426                                InstrStage<1, [CRD]>,
 427                                InstrStage<1, [LWB]>],
 428                               [8, 5],
 429                               [NoBypass, GPR_Bypass]>,
 430   InstrItinData<LdStSTWCX   , [InstrStage<1, [IFTH1, IFTH2]>,
 431                                InstrStage<1, [PDCD1, PDCD2]>,
 432                                InstrStage<1, [DISS1]>,
 433                                InstrStage<1, [IRACC], 0>,
 434                                InstrStage<4, [LWARX_Hold], 0>,
 435                                InstrStage<1, [LRACC]>,
 436                                InstrStage<1, [AGEN]>,
 437                                InstrStage<1, [CRD]>,
 438                                InstrStage<1, [LWB]>],
 439                               [8, 5],
 440                               [NoBypass, GPR_Bypass]>,
 441   InstrItinData<LdStSync    , [InstrStage<1, [IFTH1, IFTH2]>,
 442                                InstrStage<1, [PDCD1, PDCD2]>,
 443                                InstrStage<1, [DISS1, DISS2]>,
 444                                InstrStage<1, [LRACC]>,
 445                                InstrStage<3, [AGEN], 1>,
 446                                InstrStage<2, [CRD],  1>,
 447                                InstrStage<1, [LWB]>]>,
 448   InstrItinData<SprISYNC    , [InstrStage<1, [IFTH1, IFTH2]>,
 449                                InstrStage<1, [PDCD1, PDCD2]>,
 450                                InstrStage<1, [DISS1, DISS2]>,
 451                                InstrStage<1, [FRACC], 0>,
 452                                InstrStage<1, [LRACC], 0>,
 453                                InstrStage<1, [IRACC]>,
 454                                InstrStage<1, [FEXE1], 0>,
 455                                InstrStage<1, [AGEN],  0>,
 456                                InstrStage<1, [JEXE1], 0>,
 457                                InstrStage<1, [IEXE1]>,
 458                                InstrStage<1, [FEXE2], 0>,
 459                                InstrStage<1, [CRD],   0>,
 460                                InstrStage<1, [JEXE2], 0>,
 461                                InstrStage<1, [IEXE2]>,
 462                                InstrStage<6, [FEXE3], 0>,
 463                                InstrStage<6, [LWB],   0>,
 464                                InstrStage<6, [JWB],   0>,
 465                                InstrStage<6, [IWB]>]>,
 466   InstrItinData<SprMFSR     , [InstrStage<1, [IFTH1, IFTH2]>,
 467                                InstrStage<1, [PDCD1, PDCD2]>,
 468                                InstrStage<1, [DISS1, DISS2]>,
 469                                InstrStage<1, [IRACC]>,
 470                                InstrStage<1, [IEXE1]>,
 471                                InstrStage<1, [IEXE2]>,
 472                                InstrStage<1, [IWB]>],
 473                               [6, 4],
 474                               [GPR_Bypass, GPR_Bypass]>,
 475   InstrItinData<SprMTMSR    , [InstrStage<1, [IFTH1, IFTH2]>,
 476                                InstrStage<1, [PDCD1, PDCD2]>,
 477                                InstrStage<1, [DISS1, DISS2]>,
 478                                InstrStage<1, [IRACC]>,
 479                                InstrStage<1, [IEXE1]>,
 480                                InstrStage<1, [IEXE2]>,
 481                                InstrStage<1, [IWB]>],
 482                               [6, 4],
 483                               [GPR_Bypass, GPR_Bypass]>,
 484   InstrItinData<SprMTSR     , [InstrStage<1, [IFTH1, IFTH2]>,
 485                                InstrStage<1, [PDCD1, PDCD2]>,
 486                                InstrStage<1, [DISS1, DISS2]>,
 487                                InstrStage<1, [IRACC]>,
 488                                InstrStage<1, [IEXE1]>,
 489                                InstrStage<1, [IEXE2]>,
 490                                InstrStage<3, [IWB]>],
 491                               [9, 4],
 492                               [NoBypass, GPR_Bypass]>,
 493   InstrItinData<SprTLBSYNC  , [InstrStage<1, [IFTH1, IFTH2]>,
 494                                InstrStage<1, [PDCD1, PDCD2]>,
 495                                InstrStage<1, [DISS1, DISS2]>,
 496                                InstrStage<1, [IRACC]>,
 497                                InstrStage<1, [IEXE1]>,
 498                                InstrStage<1, [IEXE2]>,
 499                                InstrStage<1, [IWB]>]>,
 500   InstrItinData<SprMFCR     , [InstrStage<1, [IFTH1, IFTH2]>,
 501                                InstrStage<1, [PDCD1, PDCD2]>,
 502                                InstrStage<1, [DISS1, DISS2]>,
 503                                InstrStage<1, [IRACC]>,
 504                                InstrStage<1, [IEXE1]>,
 505                                InstrStage<1, [IEXE2]>,
 506                                InstrStage<1, [IWB]>],
 507                               [8, 4],
 508                               [NoBypass, GPR_Bypass]>,
 509   InstrItinData<SprMFMSR    , [InstrStage<1, [IFTH1, IFTH2]>,
 510                                InstrStage<1, [PDCD1, PDCD2]>,
 511                                InstrStage<1, [DISS1, DISS2]>,
 512                                InstrStage<1, [IRACC]>,
 513                                InstrStage<1, [IEXE1]>,
 514                                InstrStage<1, [IEXE2]>,
 515                                InstrStage<1, [IWB]>],
 516                               [7, 4],
 517                               [GPR_Bypass, GPR_Bypass]>,
 518   InstrItinData<SprMFSPR    , [InstrStage<1, [IFTH1, IFTH2]>,
 519                                InstrStage<1, [PDCD1, PDCD2]>,
 520                                InstrStage<1, [DISS1, DISS2]>,
 521                                InstrStage<1, [IRACC]>,
 522                                InstrStage<1, [IEXE1]>,
 523                                InstrStage<1, [IEXE2]>,
 524                                InstrStage<3, [IWB]>],
 525                               [10, 4],
 526                               [NoBypass, GPR_Bypass]>,
 527   InstrItinData<SprMFTB     , [InstrStage<1, [IFTH1, IFTH2]>,
 528                                InstrStage<1, [PDCD1, PDCD2]>,
 529                                InstrStage<1, [DISS1, DISS2]>,
 530                                InstrStage<1, [IRACC]>,
 531                                InstrStage<1, [IEXE1]>,
 532                                InstrStage<1, [IEXE2]>,
 533                                InstrStage<3, [IWB]>],
 534                               [10, 4],
 535                               [NoBypass, GPR_Bypass]>,
 536   InstrItinData<SprMTSPR    , [InstrStage<1, [IFTH1, IFTH2]>,
 537                                InstrStage<1, [PDCD1, PDCD2]>,
 538                                InstrStage<1, [DISS1, DISS2]>,
 539                                InstrStage<1, [IRACC]>,
 540                                InstrStage<1, [IEXE1]>,
 541                                InstrStage<1, [IEXE2]>,
 542                                InstrStage<3, [IWB]>],
 543                               [10, 4],
 544                               [NoBypass, GPR_Bypass]>,
 545   InstrItinData<SprMTSRIN   , [InstrStage<1, [IFTH1, IFTH2]>,
 546                                InstrStage<1, [PDCD1, PDCD2]>,
 547                                InstrStage<1, [DISS1, DISS2]>,
 548                                InstrStage<1, [IRACC]>,
 549                                InstrStage<1, [IEXE1]>,
 550                                InstrStage<1, [IEXE2]>,
 551                                InstrStage<3, [IWB]>],
 552                               [10, 4],
 553                               [NoBypass, GPR_Bypass]>,
 554   InstrItinData<SprRFI      , [InstrStage<1, [IFTH1, IFTH2]>,
 555                                InstrStage<1, [PDCD1, PDCD2]>,
 556                                InstrStage<1, [DISS1, DISS2]>,
 557                                InstrStage<1, [IRACC]>,
 558                                InstrStage<1, [IEXE1]>,
 559                                InstrStage<1, [IEXE2]>,
 560                                InstrStage<1, [IWB]>],
 561                               [8, 4],
 562                               [NoBypass, GPR_Bypass]>,
 563   InstrItinData<SprSC       , [InstrStage<1, [IFTH1, IFTH2]>,
 564                                InstrStage<1, [PDCD1, PDCD2]>,
 565                                InstrStage<1, [DISS1, DISS2]>,
 566                                InstrStage<1, [IRACC]>,
 567                                InstrStage<1, [IEXE1]>,
 568                                InstrStage<1, [IEXE2]>,
 569                                InstrStage<1, [IWB]>],
 570                               [8, 4],
 571                               [NoBypass, GPR_Bypass]>,
 572   InstrItinData<FPGeneral   , [InstrStage<1, [IFTH1, IFTH2]>,
 573                                InstrStage<1, [PDCD1, PDCD2]>,
 574                                InstrStage<1, [DISS1, DISS2]>,
 575                                InstrStage<1, [FRACC]>,
 576                                InstrStage<1, [FEXE1]>,
 577                                InstrStage<1, [FEXE2]>,
 578                                InstrStage<1, [FEXE3]>,
 579                                InstrStage<1, [FEXE4]>,
 580                                InstrStage<1, [FEXE5]>,
 581                                InstrStage<1, [FEXE6]>,
 582                                InstrStage<1, [FWB]>],
 583                               [10, 4, 4],
 584                               [FPR_Bypass, FPR_Bypass, FPR_Bypass]>,
 585   InstrItinData<FPAddSub    , [InstrStage<1, [IFTH1, IFTH2]>,
 586                                InstrStage<1, [PDCD1, PDCD2]>,
 587                                InstrStage<1, [DISS1, DISS2]>,
 588                                InstrStage<1, [FRACC]>,
 589                                InstrStage<1, [FEXE1]>,
 590                                InstrStage<1, [FEXE2]>,
 591                                InstrStage<1, [FEXE3]>,
 592                                InstrStage<1, [FEXE4]>,
 593                                InstrStage<1, [FEXE5]>,
 594                                InstrStage<1, [FEXE6]>,
 595                                InstrStage<1, [FWB]>],
 596                               [10, 4, 4],
 597                               [FPR_Bypass, FPR_Bypass, FPR_Bypass]>,
 598   InstrItinData<FPCompare   , [InstrStage<1, [IFTH1, IFTH2]>,
 599                                InstrStage<1, [PDCD1, PDCD2]>,
 600                                InstrStage<1, [DISS1, DISS2]>,
 601                                InstrStage<1, [FRACC]>,
 602                                InstrStage<1, [FEXE1]>,
 603                                InstrStage<1, [FEXE2]>,
 604                                InstrStage<1, [FEXE3]>,
 605                                InstrStage<1, [FEXE4]>,
 606                                InstrStage<1, [FEXE5]>,
 607                                InstrStage<1, [FEXE6]>,
 608                                InstrStage<1, [FWB]>],
 609                               [10, 4, 4],
 610                               [FPR_Bypass, FPR_Bypass, FPR_Bypass]>,
 611   InstrItinData<FPDivD      , [InstrStage<1, [IFTH1, IFTH2]>,
 612                                InstrStage<1, [PDCD1, PDCD2]>,
 613                                InstrStage<1, [DISS1, DISS2]>,
 614                                InstrStage<1, [FRACC]>,
 615                                InstrStage<1, [FEXE1]>,
 616                                InstrStage<1, [FEXE2]>,
 617                                InstrStage<1, [FEXE3]>,
 618                                InstrStage<1, [FEXE4]>,
 619                                InstrStage<1, [FEXE5]>,
 620                                InstrStage<1, [FEXE6]>,
 621                                InstrStage<25, [FWB]>],
 622                               [35, 4, 4],
 623                               [NoBypass, FPR_Bypass, FPR_Bypass]>,
 624   InstrItinData<FPDivS      , [InstrStage<1, [IFTH1, IFTH2]>,
 625                                InstrStage<1, [PDCD1, PDCD2]>,
 626                                InstrStage<1, [DISS1, DISS2]>,
 627                                InstrStage<1, [FRACC]>,
 628                                InstrStage<1, [FEXE1]>,
 629                                InstrStage<1, [FEXE2]>,
 630                                InstrStage<1, [FEXE3]>,
 631                                InstrStage<1, [FEXE4]>,
 632                                InstrStage<1, [FEXE5]>,
 633                                InstrStage<1, [FEXE6]>,
 634                                InstrStage<13, [FWB]>],
 635                               [23, 4, 4],
 636                               [NoBypass, FPR_Bypass, FPR_Bypass]>,
 637   InstrItinData<FPFused     , [InstrStage<1, [IFTH1, IFTH2]>,
 638                                InstrStage<1, [PDCD1, PDCD2]>,
 639                                InstrStage<1, [DISS1, DISS2]>,
 640                                InstrStage<1, [FRACC]>,
 641                                InstrStage<1, [FEXE1]>,
 642                                InstrStage<1, [FEXE2]>,
 643                                InstrStage<1, [FEXE3]>,
 644                                InstrStage<1, [FEXE4]>,
 645                                InstrStage<1, [FEXE5]>,
 646                                InstrStage<1, [FEXE6]>,
 647                                InstrStage<1, [FWB]>],
 648                               [10, 4, 4, 4],
 649                               [FPR_Bypass, FPR_Bypass, FPR_Bypass, FPR_Bypass]>,
 650   InstrItinData<FPRes       , [InstrStage<1, [IFTH1, IFTH2]>,
 651                                InstrStage<1, [PDCD1, PDCD2]>,
 652                                InstrStage<1, [DISS1, DISS2]>,
 653                                InstrStage<1, [FRACC]>,
 654                                InstrStage<1, [FEXE1]>,
 655                                InstrStage<1, [FEXE2]>,
 656                                InstrStage<1, [FEXE3]>,
 657                                InstrStage<1, [FEXE4]>,
 658                                InstrStage<1, [FEXE5]>,
 659                                InstrStage<1, [FEXE6]>,
 660                                InstrStage<1, [FWB]>],
 661                               [10, 4],
 662                               [FPR_Bypass, FPR_Bypass]>
 663 ]>;