contrib/llvm/lib/Target/Hexagon/HexagonScheduleV60.td

   1 //=-HexagonScheduleV60.td - HexagonV60 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 // CVI pipes from the "Hexagon Multimedia Co-Processor Extensions Arch Spec".
  11 def CVI_ST     : FuncUnit;
  12 def CVI_XLANE  : FuncUnit;
  13 def CVI_SHIFT  : FuncUnit;
  14 def CVI_MPY0   : FuncUnit;
  15 def CVI_MPY1   : FuncUnit;
  16 def CVI_LD     : FuncUnit;
  17
  18 // Combined functional units.
  19 def CVI_XLSHF  : FuncUnit;
  20 def CVI_MPY01  : FuncUnit;
  21 def CVI_ALL    : FuncUnit;
  22
  23 // Combined functional unit data.
  24 def HexagonComboFuncsV60 :
  25     ComboFuncUnits<[
  26       ComboFuncData<CVI_XLSHF    , [CVI_XLANE, CVI_SHIFT]>,
  27       ComboFuncData<CVI_MPY01    , [CVI_MPY0, CVI_MPY1]>,
  28       ComboFuncData<CVI_ALL      , [CVI_ST, CVI_XLANE, CVI_SHIFT,
  29                                     CVI_MPY0, CVI_MPY1, CVI_LD]>
  30     ]>;
  31
  32 // Note: When adding additional vector scheduling classes, add the
  33 // corresponding methods to the class HexagonInstrInfo.
  34 def CVI_VA           : InstrItinClass;
  35 def CVI_VA_DV        : InstrItinClass;
  36 def CVI_VX_LONG      : InstrItinClass;
  37 def CVI_VX_LATE      : InstrItinClass;
  38 def CVI_VX           : InstrItinClass;
  39 def CVI_VX_DV_LONG   : InstrItinClass;
  40 def CVI_VX_DV        : InstrItinClass;
  41 def CVI_VX_DV_SLOT2  : InstrItinClass;
  42 def CVI_VP           : InstrItinClass;
  43 def CVI_VP_LONG      : InstrItinClass;
  44 def CVI_VP_VS_EARLY  : InstrItinClass;
  45 def CVI_VP_VS_LONG_EARLY   : InstrItinClass;
  46 def CVI_VP_VS_LONG   : InstrItinClass;
  47 def CVI_VP_VS   : InstrItinClass;
  48 def CVI_VP_DV        : InstrItinClass;
  49 def CVI_VS           : InstrItinClass;
  50 def CVI_VINLANESAT   : InstrItinClass;
  51 def CVI_VM_LD        : InstrItinClass;
  52 def CVI_VM_TMP_LD    : InstrItinClass;
  53 def CVI_VM_CUR_LD    : InstrItinClass;
  54 def CVI_VM_VP_LDU    : InstrItinClass;
  55 def CVI_VM_ST        : InstrItinClass;
  56 def CVI_VM_NEW_ST    : InstrItinClass;
  57 def CVI_VM_STU       : InstrItinClass;
  58 def CVI_HIST         : InstrItinClass;
  59 def CVI_VA_EXT       : InstrItinClass;
  60
  61 // There are four SLOTS (four parallel pipelines) in Hexagon V60 machine.
  62 // This file describes that machine information.
  63 //
  64 //    |===========|==================================================|
  65 //    | PIPELINE  |              Instruction Classes                 |
  66 //    |===========|==================================================|
  67 //    | SLOT0     |  LD       ST    ALU32     MEMOP     NV    SYSTEM |
  68 //    |-----------|--------------------------------------------------|
  69 //    | SLOT1     |  LD       ST    ALU32                            |
  70 //    |-----------|--------------------------------------------------|
  71 //    | SLOT2     |  XTYPE          ALU32     J         JR           |
  72 //    |-----------|--------------------------------------------------|
  73 //    | SLOT3     |  XTYPE          ALU32     J         CR           |
  74 //    |===========|==================================================|
  75 //
  76 //
  77 // In addition to using the above SLOTS, there are also six vector pipelines
  78 // in the CVI co-processor in the Hexagon V60 machine.
  79 //
  80 //      |=========| |=========| |=========| |=========| |=========| |=========|
  81 // SLOT | CVI_LD  | |CVI_MPY3 | |CVI_MPY2 | |CVI_SHIFT| |CVI_XLANE| | CVI_ST  |
  82 // ==== |=========| |=========| |=========| |=========| |=========| |=========|
  83 // S0-3 |         | | CVI_VA  | | CVI_VA  | | CVI_VA  | | CVI_VA  | |         |
  84 // S2-3 |         | | CVI_VX  | | CVI_VX  | |         | |         | |         |
  85 // S0-3 |         | |         | |         | |         | | CVI_VP  | |         |
  86 // S0-3 |         | |         | |         | | CVI_VS  | |         | |         |
  87 // S0-1 |(CVI_LD) | | CVI_LD  | | CVI_LD  | | CVI_LD  | | CVI_LD  | |         |
  88 // S0-1 |(C*TMP_LD) |         | |         | |         | |         | |         |
  89 // S01  |(C*_LDU) | |         | |         | |         | | C*_LDU  | |         |
  90 // S0   |         | | CVI_ST  | | CVI_ST  | | CVI_ST  | | CVI_ST  | |(CVI_ST) |
  91 // S0   |         | |         | |         | |         | |         | |(C*TMP_ST)
  92 // S01  |         | |         | |         | |         | | VSTU    | |(C*_STU) |
  93 //      |=========| |=========| |=========| |=========| |=========| |=========|
  94 //                  |=====================| |=====================|
  95 //                  | CVI_MPY2 & CVI_MPY3 | |CVI_XLANE & CVI_SHIFT|
  96 //                  |=====================| |=====================|
  97 // S0-3             | CVI_VA_DV           | | CVI_VA_DV           |
  98 // S0-3             |                     | | CVI_VP_DV           |
  99 // S2-3             | CVI_VX_DV           | |                     |
 100 //                  |=====================| |=====================|
 101 //      |=====================================================================|
 102 // S0-3 | CVI_HIST   Histogram                                                |
 103 // S0123| CVI_VA_EXT Extract                                                  |
 104 //      |=====================================================================|
 105
 106 def HexagonItinerariesV60 :
 107       ProcessorItineraries<[SLOT0, SLOT1, SLOT2, SLOT3, SLOT_ENDLOOP,
 108                             CVI_ST, CVI_XLANE, CVI_SHIFT, CVI_MPY0, CVI_MPY1,
 109                             CVI_LD, CVI_XLSHF, CVI_MPY01, CVI_ALL], [], [
 110         // ALU32
 111         InstrItinData<ALU32_2op_tc_1_SLOT0123     ,
 112                       [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 113         InstrItinData<ALU32_2op_tc_2early_SLOT0123,
 114                       [InstrStage<2, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 115         InstrItinData<ALU32_3op_tc_1_SLOT0123     ,
 116                       [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 117         InstrItinData<ALU32_3op_tc_2_SLOT0123     ,
 118                       [InstrStage<2, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 119         InstrItinData<ALU32_3op_tc_2early_SLOT0123,
 120                       [InstrStage<2, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 121         InstrItinData<ALU32_ADDI_tc_1_SLOT0123    ,
 122                       [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 123
 124         // ALU64
 125         InstrItinData<ALU64_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>]>,
 126         InstrItinData<ALU64_tc_2_SLOT23     , [InstrStage<2, [SLOT2, SLOT3]>]>,
 127         InstrItinData<ALU64_tc_2early_SLOT23, [InstrStage<2, [SLOT2, SLOT3]>]>,
 128         InstrItinData<ALU64_tc_3x_SLOT23    , [InstrStage<3, [SLOT2, SLOT3]>]>,
 129
 130         // CR -> System
 131         InstrItinData<CR_tc_2_SLOT3      , [InstrStage<2, [SLOT3]>]>,
 132         InstrItinData<CR_tc_2early_SLOT3 , [InstrStage<2, [SLOT3]>]>,
 133         InstrItinData<CR_tc_3x_SLOT3     , [InstrStage<3, [SLOT3]>]>,
 134
 135         // Jump (conditional/unconditional/return etc)
 136         InstrItinData<CR_tc_2early_SLOT23, [InstrStage<2, [SLOT2, SLOT3]>]>,
 137         InstrItinData<CR_tc_3x_SLOT23    , [InstrStage<3, [SLOT2, SLOT3]>]>,
 138         InstrItinData<CJ_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>]>,
 139         InstrItinData<CJ_tc_2early_SLOT23, [InstrStage<2, [SLOT2, SLOT3]>]>,
 140         InstrItinData<J_tc_2early_SLOT23 , [InstrStage<2, [SLOT2, SLOT3]>]>,
 141         InstrItinData<J_tc_2early_CJUMP_UCJUMP_ARCHDEPSLOT     , [InstrStage<1, [SLOT2, SLOT3]>]>,
 142
 143         // JR
 144         InstrItinData<J_tc_2early_SLOT2  , [InstrStage<2, [SLOT2]>]>,
 145         InstrItinData<J_tc_3stall_SLOT2  , [InstrStage<3, [SLOT2]>]>,
 146
 147         // Extender
 148         InstrItinData<EXTENDER_tc_1_SLOT0123, [InstrStage<1,
 149                               [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 150
 151         // Load
 152         InstrItinData<LD_tc_ld_SLOT01      , [InstrStage<3, [SLOT0, SLOT1]>]>,
 153         InstrItinData<LD_tc_3or4stall_SLOT0, [InstrStage<4, [SLOT0]>]>,
 154         InstrItinData<LD_tc_ld_SLOT0       , [InstrStage<3, [SLOT0]>]>,
 155
 156         // M
 157         InstrItinData<M_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>]>,
 158         InstrItinData<M_tc_2_SLOT23     , [InstrStage<2, [SLOT2, SLOT3]>]>,
 159         InstrItinData<M_tc_3_SLOT23     , [InstrStage<3, [SLOT2, SLOT3]>]>,
 160         InstrItinData<M_tc_3x_SLOT23    , [InstrStage<3, [SLOT2, SLOT3]>]>,
 161         InstrItinData<M_tc_3or4x_SLOT23 , [InstrStage<4, [SLOT2, SLOT3]>]>,
 162         InstrItinData<M_tc_3stall_SLOT23, [InstrStage<3, [SLOT2, SLOT3]>]>,
 163
 164         // Store
 165         InstrItinData<ST_tc_st_SLOT01   , [InstrStage<1, [SLOT0, SLOT1]>]>,
 166         InstrItinData<ST_tc_3stall_SLOT0, [InstrStage<3, [SLOT0]>]>,
 167         InstrItinData<ST_tc_ld_SLOT0    , [InstrStage<3, [SLOT0]>]>,
 168         InstrItinData<ST_tc_st_SLOT0    , [InstrStage<1, [SLOT0]>]>,
 169
 170         // S
 171         InstrItinData<S_2op_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>]>,
 172         InstrItinData<S_2op_tc_2_SLOT23     , [InstrStage<2, [SLOT2, SLOT3]>]>,
 173         InstrItinData<S_2op_tc_2early_SLOT23, [InstrStage<2, [SLOT2, SLOT3]>]>,
 174         // The S_2op_tc_3x_SLOT23 slots are 4 cycles on v60.
 175         InstrItinData<S_2op_tc_3or4x_SLOT23 , [InstrStage<4, [SLOT2, SLOT3]>]>,
 176         InstrItinData<S_3op_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>]>,
 177         InstrItinData<S_3op_tc_2_SLOT23     , [InstrStage<2, [SLOT2, SLOT3]>]>,
 178         InstrItinData<S_3op_tc_2early_SLOT23, [InstrStage<2, [SLOT2, SLOT3]>]>,
 179         InstrItinData<S_3op_tc_3_SLOT23     , [InstrStage<3, [SLOT2, SLOT3]>]>,
 180         InstrItinData<S_3op_tc_3stall_SLOT23, [InstrStage<3, [SLOT2, SLOT3]>]>,
 181         InstrItinData<S_3op_tc_3x_SLOT23    , [InstrStage<3, [SLOT2, SLOT3]>]>,
 182
 183         // New Value Compare Jump
 184         InstrItinData<NCJ_tc_3or4stall_SLOT0, [InstrStage<4, [SLOT0]>]>,
 185
 186         // Mem ops
 187         InstrItinData<V2LDST_tc_st_SLOT0  , [InstrStage<1, [SLOT0]>]>,
 188         InstrItinData<V2LDST_tc_ld_SLOT01 , [InstrStage<2, [SLOT0, SLOT1]>]>,
 189         InstrItinData<V2LDST_tc_st_SLOT01 , [InstrStage<1, [SLOT0, SLOT1]>]>,
 190         InstrItinData<V4LDST_tc_st_SLOT0  , [InstrStage<1, [SLOT0]>]>,
 191         InstrItinData<V4LDST_tc_ld_SLOT01 , [InstrStage<3, [SLOT0, SLOT1]>]>,
 192         InstrItinData<V4LDST_tc_st_SLOT01 , [InstrStage<1, [SLOT0, SLOT1]>]>,
 193
 194         // Endloop
 195         InstrItinData<J_tc_2early_SLOT0123, [InstrStage<2, [SLOT_ENDLOOP]>]>,
 196
 197         // Vector
 198         InstrItinData<COPROC_VMEM_vtc_long_SLOT01,
 199                              [InstrStage<3, [SLOT0, SLOT1]>]>,
 200         InstrItinData<COPROC_VX_vtc_long_SLOT23  ,
 201                              [InstrStage<3, [SLOT2, SLOT3]>]>,
 202         InstrItinData<COPROC_VX_vtc_SLOT23 ,
 203                              [InstrStage<3, [SLOT2, SLOT3]>]>,
 204         InstrItinData<MAPPING_tc_1_SLOT0123      ,
 205                              [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 206
 207         // Duplex and Compound
 208         InstrItinData<DUPLEX     , [InstrStage<1, [SLOT0]>]>,
 209         InstrItinData<COMPOUND_CJ_ARCHDEPSLOT   , [InstrStage<1, [SLOT2, SLOT3]>]>,
 210         InstrItinData<COMPOUND , [InstrStage<1, [SLOT2, SLOT3]>]>,
 211         // Misc
 212         InstrItinData<PREFIX , [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 213         InstrItinData<PSEUDO , [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>,
 214         InstrItinData<PSEUDOM    , [InstrStage<1, [SLOT2, SLOT3], 0>,
 215                                     InstrStage<1, [SLOT2, SLOT3]>]>,
 216
 217         // Latest CVI spec definitions.
 218         InstrItinData<CVI_VA,[InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 219                                     InstrStage<1, [CVI_XLANE,CVI_SHIFT,
 220                                                    CVI_MPY0, CVI_MPY1]>]>,
 221         InstrItinData<CVI_VA_DV,
 222                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 223                                     InstrStage<1, [CVI_XLSHF, CVI_MPY01]>]>,
 224         InstrItinData<CVI_VX_LONG, [InstrStage<1, [SLOT2, SLOT3], 0>,
 225                                     InstrStage<1, [CVI_MPY0, CVI_MPY1]>]>,
 226         InstrItinData<CVI_VX_LATE, [InstrStage<1, [SLOT2, SLOT3], 0>,
 227                                     InstrStage<1, [CVI_MPY0, CVI_MPY1]>]>,
 228         InstrItinData<CVI_VX,[InstrStage<1, [SLOT2, SLOT3], 0>,
 229                                     InstrStage<1, [CVI_MPY0, CVI_MPY1]>]>,
 230         InstrItinData<CVI_VX_DV_LONG,
 231                                    [InstrStage<1, [SLOT2, SLOT3], 0>,
 232                                     InstrStage<1, [CVI_MPY01]>]>,
 233         InstrItinData<CVI_VX_DV,
 234                                    [InstrStage<1, [SLOT2, SLOT3], 0>,
 235                                     InstrStage<1, [CVI_MPY01]>]>,
 236         InstrItinData<CVI_VX_DV_SLOT2,
 237                                    [InstrStage<1, [SLOT2], 0>,
 238                                     InstrStage<1, [CVI_MPY01]>]>,
 239         InstrItinData<CVI_VP,      [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 240                                     InstrStage<1, [CVI_XLANE]>]>,
 241         InstrItinData<CVI_VP_LONG, [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 242                                     InstrStage<1, [CVI_XLANE]>]>,
 243         InstrItinData<CVI_VP_VS_EARLY,
 244                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 245                                     InstrStage<1, [CVI_XLSHF]>]>,
 246         InstrItinData<CVI_VP_VS_LONG,
 247                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 248                                     InstrStage<1, [CVI_XLSHF]>]>,
 249         InstrItinData<CVI_VP_VS,
 250                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 251                                     InstrStage<1, [CVI_XLSHF]>]>,
 252         InstrItinData<CVI_VP_VS_LONG_EARLY,
 253                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 254                                     InstrStage<1, [CVI_XLSHF]>]>,
 255         InstrItinData<CVI_VP_DV  , [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 256                                     InstrStage<1, [CVI_XLSHF]>]>,
 257         InstrItinData<CVI_VS,
 258                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 259                                     InstrStage<1, [CVI_SHIFT]>]>,
 260         InstrItinData<CVI_VINLANESAT,
 261                                    [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 262                                     InstrStage<1, [CVI_SHIFT]>]>,
 263         InstrItinData<CVI_VM_LD  , [InstrStage<1, [SLOT0, SLOT1], 0>,
 264                                     InstrStage<1, [CVI_LD], 0>,
 265                                     InstrStage<1, [CVI_XLANE, CVI_SHIFT,
 266                                                    CVI_MPY0, CVI_MPY1]>]>,
 267         InstrItinData<CVI_VM_TMP_LD,[InstrStage<1,[SLOT0, SLOT1], 0>,
 268                                     InstrStage<1, [CVI_LD]>]>,
 269         InstrItinData<CVI_VM_CUR_LD,[InstrStage<1,[SLOT0, SLOT1], 0>,
 270                                     InstrStage<1, [CVI_LD], 0>,
 271                                     InstrStage<1, [CVI_XLANE, CVI_SHIFT,
 272                                                    CVI_MPY0, CVI_MPY1]>]>,
 273         InstrItinData<CVI_VM_VP_LDU,[InstrStage<1,[SLOT0], 0>,
 274                                     InstrStage<1, [SLOT1], 0>,
 275                                     InstrStage<1, [CVI_LD], 0>,
 276                                     InstrStage<1, [CVI_XLANE]>]>,
 277         InstrItinData<CVI_VM_ST  , [InstrStage<1, [SLOT0], 0>,
 278                                     InstrStage<1, [CVI_ST], 0>,
 279                                     InstrStage<1, [CVI_XLANE, CVI_SHIFT,
 280                                                    CVI_MPY0, CVI_MPY1]>]>,
 281         InstrItinData<CVI_VM_NEW_ST,[InstrStage<1,[SLOT0], 0>,
 282                                     InstrStage<1, [CVI_ST]>]>,
 283         InstrItinData<CVI_VM_STU , [InstrStage<1, [SLOT0], 0>,
 284                                     InstrStage<1, [SLOT1], 0>,
 285                                     InstrStage<1, [CVI_ST], 0>,
 286                                     InstrStage<1, [CVI_XLANE]>]>,
 287         InstrItinData<CVI_HIST   , [InstrStage<1, [SLOT0,SLOT1,SLOT2,SLOT3], 0>,
 288                                     InstrStage<1, [CVI_ALL]>]>
 289       ]>;
 290
 291 def HexagonModelV60 : SchedMachineModel {
 292   // Max issue per cycle == bundle width.
 293   let IssueWidth = 4;
 294   let Itineraries = HexagonItinerariesV60;
 295   let LoadLatency = 1;
 296   let CompleteModel = 0;
 297 }
 298
 299 //===----------------------------------------------------------------------===//
 300 // Hexagon V60 Resource Definitions -
 301 //===----------------------------------------------------------------------===//