third_party/llvm-16.0/llvm/lib/Target/Hexagon/HexagonIICScalar.td

//===--- HexagonIICScalar.td ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

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

class PseudoItin {
  list<InstrItinData> PseudoItin_list = [
    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]>,
    InstrItinData<DUPLEX,  [InstrStage<1, [SLOT0]>], [1, 1, 1]>,
    InstrItinData<tc_ENDLOOP, [InstrStage<1, [SLOT_ENDLOOP]>], [2]>
  ];
}

class ScalarItin {
  list<InstrItinData> ScalarItin_list = [
    InstrItinData<LD_tc_ld_SLOT01, [InstrStage<1, [SLOT0, SLOT1]>],
                                   [3, 1], [Hex_FWD, Hex_FWD]>,
    InstrItinData<ST_tc_st_SLOT01, [InstrStage<1, [SLOT0, SLOT1]>],
                                   [1, 1, 1], [Hex_FWD, Hex_FWD, Hex_FWD]>
  ];
}