llvm-project/llvm/lib/Target/Hexagon/HexagonIICScalar.td

//===--- HexagonIICScalar.td ----------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// These itinerary class descriptions are based on the instruction timing
// classes as per V62. Curretnly, they are just extracted from
// HexagonScheduleV62.td but will soon be auto-generated by HexagonGen.py.

class ScalarItin {
  list<InstrItinData> ScalarItin_list = [
    InstrItinData<ALU32_2op_tc_1_SLOT0123     ,
                  [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [1, 1, 1]>,
    InstrItinData<ALU32_2op_tc_2early_SLOT0123,
                  [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [2, 1, 1]>,
    InstrItinData<ALU32_3op_tc_1_SLOT0123     ,
                  [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [1, 1, 1]>,
    InstrItinData<ALU32_3op_tc_2_SLOT0123     ,
                  [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [2, 1, 1]>,
    InstrItinData<ALU32_3op_tc_2early_SLOT0123,
                  [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [2, 1, 1]>,
    InstrItinData<ALU32_ADDI_tc_1_SLOT0123    ,
                  [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [1, 1, 1]>,

    // ALU64
    InstrItinData<ALU64_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [1, 1, 1]>,
    InstrItinData<ALU64_tc_2_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [2, 1, 1]>,
    InstrItinData<ALU64_tc_2early_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                          [2, 1, 1]>,
    InstrItinData<ALU64_tc_3x_SLOT23    , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [3, 1, 1]>,

    // CR -> System
    InstrItinData<CR_tc_2_SLOT3      , [InstrStage<1, [SLOT3]>], [2, 1, 1]>,
    InstrItinData<CR_tc_2early_SLOT3 , [InstrStage<1, [SLOT3]>], [2, 1, 1]>,
    InstrItinData<CR_tc_3x_SLOT3     , [InstrStage<1, [SLOT3]>], [3, 1, 1]>,

    // Jump (conditional/unconditional/return etc)
    InstrItinData<CR_tc_2early_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                       [2, 1, 1, 1]>,
    InstrItinData<CR_tc_3x_SLOT23    , [InstrStage<1, [SLOT2, SLOT3]>],
                                       [3, 1, 1, 1]>,
    InstrItinData<CJ_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                       [1, 1, 1, 1]>,
    InstrItinData<CJ_tc_2early_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                       [2, 1, 1, 1]>,
    InstrItinData<J_tc_2early_SLOT23 , [InstrStage<1, [SLOT2, SLOT3]>],
                                       [2, 1, 1, 1]>,
    InstrItinData<J_tc_2early_CJUMP_UCJUMP_ARCHDEPSLOT,
        [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [2, 1, 1, 1]>,

    // JR
    InstrItinData<J_tc_2early_SLOT2  , [InstrStage<1, [SLOT2]>], [2, 1, 1]>,
    InstrItinData<J_tc_3stall_SLOT2  , [InstrStage<1, [SLOT2]>], [3, 1, 1]>,

    // Extender
    InstrItinData<EXTENDER_tc_1_SLOT0123, [InstrStage<1,
                          [SLOT0, SLOT1, SLOT2, SLOT3]>], [2, 1, 1, 1]>,

    // Load
    InstrItinData<LD_tc_ld_SLOT01      , [InstrStage<1, [SLOT0, SLOT1]>],
                                         [3, 1]>,
    InstrItinData<LD_tc_ld_pi_SLOT01   , [InstrStage<1, [SLOT0, SLOT1]>],
                                         [3, 1]>,
    InstrItinData<LD_tc_3or4stall_SLOT0, [InstrStage<1, [SLOT0]>], [4, 1]>,
    InstrItinData<LD_tc_ld_SLOT0       , [InstrStage<1, [SLOT0]>], [3, 1]>,

    // M
    InstrItinData<M_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [1, 1, 1]>,
    InstrItinData<M_tc_2_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [2, 1, 1]>,
    InstrItinData<M_tc_2_acc_SLOT23 , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [2, 1, 1]>,
    InstrItinData<M_tc_3_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [3, 1, 1]>,
    InstrItinData<M_tc_3x_SLOT23    , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [3, 1, 1]>,
    InstrItinData<M_tc_3x_acc_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                      [3, 1, 1, 1]>,
    InstrItinData<M_tc_3or4x_SLOT23 , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [4, 1, 1]>,
    InstrItinData<M_tc_3or4x_acc_SLOT23 , [InstrStage<1, [SLOT2, SLOT3]>],
                                      [4, 1, 1]>,
    InstrItinData<M_tc_3stall_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                      [3, 1, 1]>,

    // Store
    InstrItinData<ST_tc_st_SLOT01   , [InstrStage<1, [SLOT0, SLOT1]>],
                                      [1, 1, 1]>,
    InstrItinData<ST_tc_st_pi_SLOT01, [InstrStage<1, [SLOT0, SLOT1]>],
                                      [1, 1, 1]>,
    InstrItinData<ST_tc_3stall_SLOT0, [InstrStage<1, [SLOT0]>], [3, 1, 1]>,
    InstrItinData<ST_tc_ld_SLOT0    , [InstrStage<1, [SLOT0]>], [3, 1, 1]>,
    InstrItinData<ST_tc_st_SLOT0    , [InstrStage<1, [SLOT0]>], [1, 1, 1]>,
    InstrItinData<ST_tc_st_pi_SLOT0 , [InstrStage<1, [SLOT0]>], [1, 1, 1]>,

    // S
    InstrItinData<S_2op_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [1, 1, 1]>,
    InstrItinData<S_2op_tc_2_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [2, 1, 1]>,
    InstrItinData<S_2op_tc_2early_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                          [2, 1, 1]>,
    // The S_2op_tc_3x_SLOT23 slots are 4 cycles on v60.
    InstrItinData<S_2op_tc_3or4x_SLOT23 , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [4, 1, 1]>,
    InstrItinData<S_3op_tc_1_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [1, 1, 1]>,
    InstrItinData<S_3op_tc_2_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [2, 1, 1]>,
    InstrItinData<S_3op_tc_2early_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                          [2, 1, 1]>,
    InstrItinData<S_3op_tc_3_SLOT23     , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [3, 1, 1]>,
    InstrItinData<S_3op_tc_3stall_SLOT23, [InstrStage<1, [SLOT2, SLOT3]>],
                                          [3, 1, 1]>,
    InstrItinData<S_3op_tc_3x_SLOT23    , [InstrStage<1, [SLOT2, SLOT3]>],
                                          [3, 1, 1]>,

    // New Value Compare Jump
    InstrItinData<NCJ_tc_3or4stall_SLOT0, [InstrStage<1, [SLOT0]>],
                                          [3, 1, 1, 1]>,

    // Mem ops
    InstrItinData<V2LDST_tc_st_SLOT0  , [InstrStage<1, [SLOT0]>],
                                        [1, 1, 1, 1]>,
    InstrItinData<V2LDST_tc_ld_SLOT01 , [InstrStage<1, [SLOT0, SLOT1]>],
                                        [2, 1, 1, 1]>,
    InstrItinData<V2LDST_tc_st_SLOT01 , [InstrStage<1, [SLOT0, SLOT1]>],
                                        [1, 1, 1, 1]>,
    InstrItinData<V4LDST_tc_st_SLOT0  , [InstrStage<1, [SLOT0]>],
                                        [1, 1, 1, 1]>,
    InstrItinData<V4LDST_tc_ld_SLOT01 , [InstrStage<1, [SLOT0, SLOT1]>],
                                        [3, 1, 1, 1]>,
    InstrItinData<V4LDST_tc_st_SLOT01 , [InstrStage<1, [SLOT0, SLOT1]>],
                                        [1, 1, 1, 1]>,

    // Endloop
    InstrItinData<J_tc_2early_SLOT0123, [InstrStage<1, [SLOT_ENDLOOP]>],
                                        [2]>,
    InstrItinData<MAPPING_tc_1_SLOT0123      ,
                         [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>],
                         [1, 1, 1, 1]>,

    // Duplex and Compound
    InstrItinData<DUPLEX     , [InstrStage<1, [SLOT0]>], [1, 1, 1]>,
    InstrItinData<COMPOUND_CJ_ARCHDEPSLOT,
        [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>], [1, 1, 1]>,
    InstrItinData<COMPOUND , [InstrStage<1, [SLOT2, SLOT3]>], [1, 1, 1]>,
    // Misc
    InstrItinData<PREFIX , [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>],
                           [1, 1, 1]>,
    InstrItinData<PSEUDO , [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>],
                           [1, 1, 1]>,
    InstrItinData<PSEUDOM    , [InstrStage<1, [SLOT2, SLOT3], 0>,
                                InstrStage<1, [SLOT2, SLOT3]>], [1, 1, 1]>];
}