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//===-- RISCVScheduleB.td - RISCV Scheduling Definitions B -*- tablegen -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
/// Define scheduler resources associated with def operands.
// Zba extension
def WriteSHXADD : SchedWrite; // sh1add/sh2add/sh3add
def WriteSHXADD32 : SchedWrite; // sh1add.uw/sh2add.uw/sh3add.uw
// Zbb extension
def WriteRotateImm : SchedWrite;
def WriteRotateImm32 : SchedWrite;
def WriteRotateReg : SchedWrite;
def WriteRotateReg32 : SchedWrite;
def WriteCLZ : SchedWrite;
def WriteCLZ32 : SchedWrite;
def WriteCTZ : SchedWrite;
def WriteCTZ32 : SchedWrite;
def WriteCPOP : SchedWrite;
def WriteCPOP32 : SchedWrite;
def WriteREV8 : SchedWrite;
def WriteORCB : SchedWrite;
// Zbc extension
def WriteCLMUL : SchedWrite; // CLMUL/CLMULR/CLMULH
// Zbs extension
def WriteSingleBit : SchedWrite; // BCLR/BSET/BINV/BEXT
def WriteSingleBitImm: SchedWrite; // BCLRI/BSETI/BINVI/BEXTI
// Zbkb extension
def WriteBREV8 : SchedWrite; // brev8
def WritePACK : SchedWrite; // pack/packh
def WritePACK32 : SchedWrite; // packw
def WriteZIP : SchedWrite; // zip/unzip
// Zbkx extension
def WriteXPERM : SchedWrite; // xperm4/xperm8
/// Define scheduler resources associated with use operands.
// Zba extension
def ReadSHXADD : SchedRead; // sh1add/sh2add/sh3add
def ReadSHXADD32 : SchedRead; // sh1add.uw/sh2add.uw/sh3add.uw
// Zbb extension
def ReadRotateImm : SchedRead;
def ReadRotateImm32 : SchedRead;
def ReadRotateReg : SchedRead;
def ReadRotateReg32 : SchedRead;
def ReadCLZ : SchedRead;
def ReadCLZ32 : SchedRead;
def ReadCTZ : SchedRead;
def ReadCTZ32 : SchedRead;
def ReadCPOP : SchedRead;
def ReadCPOP32 : SchedRead;
def ReadREV8 : SchedRead;
def ReadORCB : SchedRead;
// Zbc extension
def ReadCLMUL : SchedRead; // CLMUL/CLMULR/CLMULH
// Zbs extension
def ReadSingleBit : SchedRead; // BCLR/BSET/BINV/BEXT
def ReadSingleBitImm: SchedRead; // BCLRI/BSETI/BINVI/BEXTI
// Zbkb extension
def ReadBREV8 : SchedRead; // brev8
def ReadPACK : SchedRead; // pack/packh
def ReadPACK32 : SchedRead; // packw
def ReadZIP : SchedRead; // zip/unzip
// Zbkx extension
def ReadXPERM : SchedRead; // xperm4/xperm8
/// Define default scheduler resources for B.
multiclass UnsupportedSchedZba {
let Unsupported = true in {
def : WriteRes<WriteSHXADD, []>;
def : WriteRes<WriteSHXADD32, []>;
def : ReadAdvance<ReadSHXADD, 0>;
def : ReadAdvance<ReadSHXADD32, 0>;
}
}
multiclass UnsupportedSchedZbb {
let Unsupported = true in {
def : WriteRes<WriteRotateImm, []>;
def : WriteRes<WriteRotateImm32, []>;
def : WriteRes<WriteRotateReg, []>;
def : WriteRes<WriteRotateReg32, []>;
def : WriteRes<WriteCLZ, []>;
def : WriteRes<WriteCLZ32, []>;
def : WriteRes<WriteCTZ, []>;
def : WriteRes<WriteCTZ32, []>;
def : WriteRes<WriteCPOP, []>;
def : WriteRes<WriteCPOP32, []>;
def : WriteRes<WriteREV8, []>;
def : WriteRes<WriteORCB, []>;
def : ReadAdvance<ReadRotateImm, 0>;
def : ReadAdvance<ReadRotateImm32, 0>;
def : ReadAdvance<ReadRotateReg, 0>;
def : ReadAdvance<ReadRotateReg32, 0>;
def : ReadAdvance<ReadCLZ, 0>;
def : ReadAdvance<ReadCLZ32, 0>;
def : ReadAdvance<ReadCTZ, 0>;
def : ReadAdvance<ReadCTZ32, 0>;
def : ReadAdvance<ReadCPOP, 0>;
def : ReadAdvance<ReadCPOP32, 0>;
def : ReadAdvance<ReadREV8, 0>;
def : ReadAdvance<ReadORCB, 0>;
}
}
multiclass UnsupportedSchedZbc {
let Unsupported = true in {
def : WriteRes<WriteCLMUL, []>;
def : ReadAdvance<ReadCLMUL, 0>;
}
}
multiclass UnsupportedSchedZbs {
let Unsupported = true in {
def : WriteRes<WriteSingleBit, []>;
def : WriteRes<WriteSingleBitImm, []>;
def : ReadAdvance<ReadSingleBit, 0>;
def : ReadAdvance<ReadSingleBitImm, 0>;
}
}
multiclass UnsupportedSchedZbkb {
let Unsupported = true in {
def : WriteRes<WriteBREV8, []>;
def : WriteRes<WritePACK, []>;
def : WriteRes<WritePACK32, []>;
def : WriteRes<WriteZIP, []>;
def : ReadAdvance<ReadBREV8, 0>;
def : ReadAdvance<ReadPACK, 0>;
def : ReadAdvance<ReadPACK32, 0>;
def : ReadAdvance<ReadZIP, 0>;
}
}
multiclass UnsupportedSchedZbkx {
let Unsupported = true in {
def : WriteRes<WriteXPERM, []>;
def : ReadAdvance<ReadXPERM, 0>;
}
}