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usr / src / contrib / llvm-project / llvm / lib / Target / AArch64 /

📁 ..
📄 AArch64.h(4.09 KB)
📄 AArch64.td(49.85 KB)
📄 AArch64A53Fix835769.cpp(8.3 KB)
📄 AArch64A57FPLoadBalancing.cpp(25.73 KB)
📄 AArch64AdvSIMDScalarPass.cpp(16.1 KB)
📄 AArch64AsmPrinter.cpp(49.26 KB)
📄 AArch64BranchTargets.cpp(4.91 KB)
📄 AArch64CallingConvention.cpp(6.63 KB)
📄 AArch64CallingConvention.h(2.62 KB)
📄 AArch64CallingConvention.td(23.84 KB)
📄 AArch64CleanupLocalDynamicTLSPass.cpp(5.53 KB)
📄 AArch64CollectLOH.cpp(20.07 KB)
📄 AArch64Combine.td(3.27 KB)
📄 AArch64CompressJumpTables.cpp(5.06 KB)
📄 AArch64CondBrTuning.cpp(10.19 KB)
📄 AArch64ConditionOptimizer.cpp(15.26 KB)
📄 AArch64ConditionalCompares.cpp(33.26 KB)
📄 AArch64DeadRegisterDefinitionsPass.cpp(7.76 KB)
📄 AArch64ExpandImm.cpp(14.25 KB)
📄 AArch64ExpandImm.h(959 B)
📄 AArch64ExpandPseudoInsts.cpp(38.08 KB)
📄 AArch64FalkorHWPFFix.cpp(23.3 KB)
📄 AArch64FastISel.cpp(171.76 KB)
📄 AArch64FrameLowering.cpp(124.13 KB)
📄 AArch64FrameLowering.h(5.54 KB)
📄 AArch64GenRegisterBankInfo.def(11 KB)
📄 AArch64ISelDAGToDAG.cpp(180.26 KB)
📄 AArch64ISelLowering.cpp(578.95 KB)
📄 AArch64ISelLowering.h(33.88 KB)
📄 AArch64InstrAtomics.td(20.33 KB)
📄 AArch64InstrFormats.td(430.93 KB)
📄 AArch64InstrGISel.td(4.29 KB)
📄 AArch64InstrInfo.cpp(243.23 KB)
📄 AArch64InstrInfo.h(19.92 KB)
📄 AArch64InstrInfo.td(374.84 KB)
📄 AArch64LoadStoreOptimizer.cpp(77.04 KB)
📄 AArch64MCInstLower.cpp(11.72 KB)
📄 AArch64MCInstLower.h(1.69 KB)
📄 AArch64MachineFunctionInfo.cpp(1.02 KB)
📄 AArch64MachineFunctionInfo.h(12.9 KB)
📄 AArch64MacroFusion.cpp(11.47 KB)
📄 AArch64MacroFusion.h(891 B)
📄 AArch64PBQPRegAlloc.cpp(11.35 KB)
📄 AArch64PBQPRegAlloc.h(1.3 KB)
📄 AArch64PerfectShuffle.h(382.04 KB)
📄 AArch64PfmCounters.td(713 B)
📄 AArch64PromoteConstant.cpp(22.43 KB)
📄 AArch64RedundantCopyElimination.cpp(17.09 KB)
📄 AArch64RegisterBanks.td(719 B)
📄 AArch64RegisterInfo.cpp(29.6 KB)
📄 AArch64RegisterInfo.h(5.5 KB)
📄 AArch64RegisterInfo.td(51 KB)
📄 AArch64SIMDInstrOpt.cpp(26.07 KB)
📄 AArch64SLSHardening.cpp(15.92 KB)
📄 AArch64SVEInstrInfo.td(169.43 KB)
📄 AArch64SchedA53.td(15.28 KB)
📄 AArch64SchedA57.td(34.69 KB)
📄 AArch64SchedA57WriteRes.td(19.87 KB)
📄 AArch64SchedCyclone.td(29.82 KB)
📄 AArch64SchedExynosM3.td(42.57 KB)
📄 AArch64SchedExynosM4.td(49.81 KB)
📄 AArch64SchedExynosM5.td(50.74 KB)
📄 AArch64SchedFalkor.td(5.3 KB)
📄 AArch64SchedFalkorDetails.td(67.66 KB)
📄 AArch64SchedKryo.td(6.21 KB)
📄 AArch64SchedKryoDetails.td(82.63 KB)
📄 AArch64SchedPredExynos.td(7.5 KB)
📄 AArch64SchedPredicates.td(27.86 KB)
📄 AArch64SchedThunderX.td(14.99 KB)
📄 AArch64SchedThunderX2T99.td(68.58 KB)
📄 AArch64SchedThunderX3T110.td(68.77 KB)
📄 AArch64Schedule.td(3.86 KB)
📄 AArch64SelectionDAGInfo.cpp(5.54 KB)
📄 AArch64SelectionDAGInfo.h(1.46 KB)
📄 AArch64SpeculationHardening.cpp(29.6 KB)
📄 AArch64StackOffset.h(5.01 KB)
📄 AArch64StackTagging.cpp(24.31 KB)
📄 AArch64StackTaggingPreRA.cpp(7.25 KB)
📄 AArch64StorePairSuppress.cpp(6.26 KB)
📄 AArch64Subtarget.cpp(12.38 KB)
📄 AArch64Subtarget.h(18.49 KB)
📄 AArch64SystemOperands.td(81.75 KB)
📄 AArch64TargetMachine.cpp(26.65 KB)
📄 AArch64TargetMachine.h(3.25 KB)
📄 AArch64TargetObjectFile.cpp(3.35 KB)
📄 AArch64TargetObjectFile.h(2.31 KB)
📄 AArch64TargetTransformInfo.cpp(42.6 KB)
📄 AArch64TargetTransformInfo.h(8.68 KB)
📁 AsmParser
📁 Disassembler
📁 GISel
📁 MCTargetDesc
📄 SVEInstrFormats.td(304.03 KB)
📄 SVEIntrinsicOpts.cpp(8.13 KB)
📁 TargetInfo
📁 Utils

Editing: AArch64SchedThunderX.td

//==- AArch64SchedThunderX.td - Cavium ThunderX T8X Scheduling Definitions -*- 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
//
//===----------------------------------------------------------------------===//
//
// This file defines the itinerary class data for the ARM ThunderX T8X
// (T88, T81, T83) processors.
// Loosely based on Cortex-A53 which is somewhat similar.
//
//===----------------------------------------------------------------------===//

// ===---------------------------------------------------------------------===//
// The following definitions describe the simpler per-operand machine model.
// This works with MachineScheduler. See llvm/MC/MCSchedule.h for details.

// Cavium ThunderX T8X scheduling machine model.
def ThunderXT8XModel : SchedMachineModel {
  let IssueWidth = 2;         // 2 micro-ops dispatched per cycle.
  let MicroOpBufferSize = 0;  // ThunderX T88/T81/T83 are in-order.
  let LoadLatency = 3;        // Optimistic load latency.
  let MispredictPenalty = 8;  // Branch mispredict penalty.
  let PostRAScheduler = 1;    // Use PostRA scheduler.
  let CompleteModel = 1;

list<Predicate> UnsupportedFeatures = !listconcat(SVEUnsupported.F,
                                                    PAUnsupported.F);
  // FIXME: Remove when all errors have been fixed.
  let FullInstRWOverlapCheck = 0;
}

// Modeling each pipeline with BufferSize == 0 since T8X is in-order.
def THXT8XUnitALU    : ProcResource<2> { let BufferSize = 0; } // Int ALU
def THXT8XUnitMAC    : ProcResource<1> { let BufferSize = 0; } // Int MAC
def THXT8XUnitDiv    : ProcResource<1> { let BufferSize = 0; } // Int Division
def THXT8XUnitLdSt   : ProcResource<1> { let BufferSize = 0; } // Load/Store
def THXT8XUnitBr     : ProcResource<1> { let BufferSize = 0; } // Branch
def THXT8XUnitFPALU  : ProcResource<1> { let BufferSize = 0; } // FP ALU
def THXT8XUnitFPMDS  : ProcResource<1> { let BufferSize = 0; } // FP Mul/Div/Sqrt

//===----------------------------------------------------------------------===//
// Subtarget-specific SchedWrite types mapping the ProcResources and
// latencies.

let SchedModel = ThunderXT8XModel in {

// ALU
def : WriteRes<WriteImm, [THXT8XUnitALU]> { let Latency = 1; }
def : WriteRes<WriteI, [THXT8XUnitALU]> { let Latency = 1; }
def : WriteRes<WriteISReg, [THXT8XUnitALU]> { let Latency = 2; }
def : WriteRes<WriteIEReg, [THXT8XUnitALU]> { let Latency = 2; }
def : WriteRes<WriteIS, [THXT8XUnitALU]> { let Latency = 2; }
def : WriteRes<WriteExtr, [THXT8XUnitALU]> { let Latency = 2; }

// MAC
def : WriteRes<WriteIM32, [THXT8XUnitMAC]> {
  let Latency = 4;
  let ResourceCycles = [1];
}

def : WriteRes<WriteIM64, [THXT8XUnitMAC]> {
  let Latency = 4;
  let ResourceCycles = [1];
}

// Div
def : WriteRes<WriteID32, [THXT8XUnitDiv]> {
  let Latency = 12;
  let ResourceCycles = [6];
}

def : WriteRes<WriteID64, [THXT8XUnitDiv]> {
  let Latency = 14;
  let ResourceCycles = [8];
}

// Load
def : WriteRes<WriteLD, [THXT8XUnitLdSt]> { let Latency = 3; }
def : WriteRes<WriteLDIdx, [THXT8XUnitLdSt]> { let Latency = 3; }
def : WriteRes<WriteLDHi, [THXT8XUnitLdSt]> { let Latency = 3; }

// Vector Load
def : WriteRes<WriteVLD, [THXT8XUnitLdSt]> {
  let Latency = 8;
  let ResourceCycles = [3];
}

def THXT8XWriteVLD1 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 6;
  let ResourceCycles = [1];
}

def THXT8XWriteVLD2 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 11;
  let ResourceCycles = [7];
}

def THXT8XWriteVLD3 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 12;
  let ResourceCycles = [8];
}

def THXT8XWriteVLD4 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 13;
  let ResourceCycles = [9];
}

def THXT8XWriteVLD5 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 13;
  let ResourceCycles = [9];
}

// Pre/Post Indexing
def : WriteRes<WriteAdr, []> { let Latency = 0; }

// Store
def : WriteRes<WriteST, [THXT8XUnitLdSt]> { let Latency = 1; }
def : WriteRes<WriteSTP, [THXT8XUnitLdSt]> { let Latency = 1; }
def : WriteRes<WriteSTIdx, [THXT8XUnitLdSt]> { let Latency = 1; }
def : WriteRes<WriteSTX, [THXT8XUnitLdSt]> { let Latency = 1; }

// Vector Store
def : WriteRes<WriteVST, [THXT8XUnitLdSt]>;
def THXT8XWriteVST1 : SchedWriteRes<[THXT8XUnitLdSt]>;

def THXT8XWriteVST2 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 10;
  let ResourceCycles = [9];
}

def THXT8XWriteVST3 : SchedWriteRes<[THXT8XUnitLdSt]> {
  let Latency = 11;
  let ResourceCycles = [10];
}

def : WriteRes<WriteAtomic, []> { let Unsupported = 1; }

// Branch
def : WriteRes<WriteBr, [THXT8XUnitBr]>;
def THXT8XWriteBR : SchedWriteRes<[THXT8XUnitBr]>;
def : WriteRes<WriteBrReg, [THXT8XUnitBr]>;
def THXT8XWriteBRR : SchedWriteRes<[THXT8XUnitBr]>;
def THXT8XWriteRET : SchedWriteRes<[THXT8XUnitALU]>;
def : WriteRes<WriteSys, [THXT8XUnitBr]>;
def : WriteRes<WriteBarrier, [THXT8XUnitBr]>;
def : WriteRes<WriteHint, [THXT8XUnitBr]>;

// FP ALU
def : WriteRes<WriteF, [THXT8XUnitFPALU]> { let Latency = 6; }
def : WriteRes<WriteFCmp, [THXT8XUnitFPALU]> { let Latency = 6; }
def : WriteRes<WriteFCvt, [THXT8XUnitFPALU]> { let Latency = 6; }
def : WriteRes<WriteFCopy, [THXT8XUnitFPALU]> { let Latency = 6; }
def : WriteRes<WriteFImm, [THXT8XUnitFPALU]> { let Latency = 6; }
def : WriteRes<WriteV, [THXT8XUnitFPALU]> { let Latency = 6; }

// FP Mul, Div, Sqrt
def : WriteRes<WriteFMul, [THXT8XUnitFPMDS]> { let Latency = 6; }
def : WriteRes<WriteFDiv, [THXT8XUnitFPMDS]> {
  let Latency = 22;
  let ResourceCycles = [19];
}

def THXT8XWriteFMAC : SchedWriteRes<[THXT8XUnitFPMDS]> { let Latency = 10; }

def THXT8XWriteFDivSP : SchedWriteRes<[THXT8XUnitFPMDS]> {
  let Latency = 12;
  let ResourceCycles = [9];
}

def THXT8XWriteFDivDP : SchedWriteRes<[THXT8XUnitFPMDS]> {
  let Latency = 22;
  let ResourceCycles = [19];
}

def THXT8XWriteFSqrtSP : SchedWriteRes<[THXT8XUnitFPMDS]> {
  let Latency = 17;
  let ResourceCycles = [14];
}

def THXT8XWriteFSqrtDP : SchedWriteRes<[THXT8XUnitFPMDS]> {
  let Latency = 31;
  let ResourceCycles = [28];
}

//===----------------------------------------------------------------------===//
// Subtarget-specific SchedRead types.

// No forwarding for these reads.
def : ReadAdvance<ReadExtrHi, 1>;
def : ReadAdvance<ReadAdrBase, 2>;
def : ReadAdvance<ReadVLD, 2>;

// FIXME: This needs more targeted benchmarking.
// ALU - Most operands in the ALU pipes are not needed for two cycles. Shiftable
//       operands are needed one cycle later if and only if they are to be
//       shifted. Otherwise, they too are needed two cycles later. This same
//       ReadAdvance applies to Extended registers as well, even though there is
//       a separate SchedPredicate for them.
def : ReadAdvance<ReadI, 2, [WriteImm, WriteI,
                             WriteISReg, WriteIEReg, WriteIS,
                             WriteID32, WriteID64,
                             WriteIM32, WriteIM64]>;
def THXT8XReadShifted : SchedReadAdvance<1, [WriteImm, WriteI,
                                          WriteISReg, WriteIEReg, WriteIS,
                                          WriteID32, WriteID64,
                                          WriteIM32, WriteIM64]>;
def THXT8XReadNotShifted : SchedReadAdvance<2, [WriteImm, WriteI,
                                             WriteISReg, WriteIEReg, WriteIS,
                                             WriteID32, WriteID64,
                                             WriteIM32, WriteIM64]>;
def THXT8XReadISReg : SchedReadVariant<[
	SchedVar<RegShiftedPred, [THXT8XReadShifted]>,
	SchedVar<NoSchedPred, [THXT8XReadNotShifted]>]>;
def : SchedAlias<ReadISReg, THXT8XReadISReg>;

def THXT8XReadIEReg : SchedReadVariant<[
	SchedVar<RegExtendedPred, [THXT8XReadShifted]>,
	SchedVar<NoSchedPred, [THXT8XReadNotShifted]>]>;
def : SchedAlias<ReadIEReg, THXT8XReadIEReg>;

// MAC - Operands are generally needed one cycle later in the MAC pipe.
//       Accumulator operands are needed two cycles later.
def : ReadAdvance<ReadIM, 1, [WriteImm,WriteI,
                              WriteISReg, WriteIEReg, WriteIS,
                              WriteID32, WriteID64,
                              WriteIM32, WriteIM64]>;
def : ReadAdvance<ReadIMA, 2, [WriteImm, WriteI,
                               WriteISReg, WriteIEReg, WriteIS,
                               WriteID32, WriteID64,
                               WriteIM32, WriteIM64]>;

// Div
def : ReadAdvance<ReadID, 1, [WriteImm, WriteI,
                              WriteISReg, WriteIEReg, WriteIS,
                              WriteID32, WriteID64,
                              WriteIM32, WriteIM64]>;

//===----------------------------------------------------------------------===//
// Subtarget-specific InstRW.

//---
// Branch
//---
def : InstRW<[THXT8XWriteBR], (instregex "^B$")>;
def : InstRW<[THXT8XWriteBR], (instregex "^BL$")>;
def : InstRW<[THXT8XWriteBR], (instregex "^B..$")>;
def : InstRW<[THXT8XWriteBR], (instregex "^CBNZ")>;
def : InstRW<[THXT8XWriteBR], (instregex "^CBZ")>;
def : InstRW<[THXT8XWriteBR], (instregex "^TBNZ")>;
def : InstRW<[THXT8XWriteBR], (instregex "^TBZ")>;
def : InstRW<[THXT8XWriteBRR], (instregex "^BR$")>;
def : InstRW<[THXT8XWriteBRR], (instregex "^BLR$")>;

//---
// Ret
//---
def : InstRW<[THXT8XWriteRET], (instregex "^RET$")>;

//---
// Miscellaneous
//---
def : InstRW<[WriteI], (instrs COPY)>;

//---
// Vector Loads
//---
def : InstRW<[THXT8XWriteVLD1], (instregex "LD1i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVLD1], (instregex "LD1Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD1], (instregex "LD1Onev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD2], (instregex "LD1Twov(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD3], (instregex "LD1Threev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD4], (instregex "LD1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD1, WriteAdr], (instregex "LD1i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVLD1, WriteAdr], (instregex "LD1Rv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVLD1, WriteAdr], (instregex "LD1Onev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVLD2, WriteAdr], (instregex "LD1Twov(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVLD3, WriteAdr], (instregex "LD1Threev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVLD4, WriteAdr], (instregex "LD1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;

def : InstRW<[THXT8XWriteVLD1], (instregex "LD2i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVLD1], (instregex "LD2Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD2], (instregex "LD2Twov(8b|4h|2s)$")>;
def : InstRW<[THXT8XWriteVLD4], (instregex "LD2Twov(16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD1, WriteAdr], (instregex "LD2i(8|16|32|64)(_POST)?$")>;
def : InstRW<[THXT8XWriteVLD1, WriteAdr], (instregex "LD2Rv(8b|4h|2s|1d|16b|8h|4s|2d)(_POST)?$")>;
def : InstRW<[THXT8XWriteVLD2, WriteAdr], (instregex "LD2Twov(8b|4h|2s)(_POST)?$")>;
def : InstRW<[THXT8XWriteVLD4, WriteAdr], (instregex "LD2Twov(16b|8h|4s|2d)(_POST)?$")>;

def : InstRW<[THXT8XWriteVLD2], (instregex "LD3i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVLD2], (instregex "LD3Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD4], (instregex "LD3Threev(8b|4h|2s|1d|16b|8h|4s)$")>;
def : InstRW<[THXT8XWriteVLD3], (instregex "LD3Threev(2d)$")>;
def : InstRW<[THXT8XWriteVLD2, WriteAdr], (instregex "LD3i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVLD2, WriteAdr], (instregex "LD3Rv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVLD4, WriteAdr], (instregex "LD3Threev(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
def : InstRW<[THXT8XWriteVLD3, WriteAdr], (instregex "LD3Threev(2d)_POST$")>;

def : InstRW<[THXT8XWriteVLD2], (instregex "LD4i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVLD2], (instregex "LD4Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVLD5], (instregex "LD4Fourv(8b|4h|2s|1d|16b|8h|4s)$")>;
def : InstRW<[THXT8XWriteVLD4], (instregex "LD4Fourv(2d)$")>;
def : InstRW<[THXT8XWriteVLD2, WriteAdr], (instregex "LD4i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVLD2, WriteAdr], (instregex "LD4Rv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVLD5, WriteAdr], (instregex "LD4Fourv(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
def : InstRW<[THXT8XWriteVLD4, WriteAdr], (instregex "LD4Fourv(2d)_POST$")>;

//---
// Vector Stores
//---
def : InstRW<[THXT8XWriteVST1], (instregex "ST1i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVST1], (instregex "ST1Onev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVST1], (instregex "ST1Twov(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVST2], (instregex "ST1Threev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVST2], (instregex "ST1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVST1, WriteAdr], (instregex "ST1i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVST1, WriteAdr], (instregex "ST1Onev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVST1, WriteAdr], (instregex "ST1Twov(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST1Threev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;

def : InstRW<[THXT8XWriteVST1], (instregex "ST2i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVST1], (instregex "ST2Twov(8b|4h|2s)$")>;
def : InstRW<[THXT8XWriteVST2], (instregex "ST2Twov(16b|8h|4s|2d)$")>;
def : InstRW<[THXT8XWriteVST1, WriteAdr], (instregex "ST2i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVST1, WriteAdr], (instregex "ST2Twov(8b|4h|2s)_POST$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST2Twov(16b|8h|4s|2d)_POST$")>;

def : InstRW<[THXT8XWriteVST2], (instregex "ST3i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVST3], (instregex "ST3Threev(8b|4h|2s|1d|16b|8h|4s)$")>;
def : InstRW<[THXT8XWriteVST2], (instregex "ST3Threev(2d)$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST3i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVST3, WriteAdr], (instregex "ST3Threev(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST3Threev(2d)_POST$")>;

def : InstRW<[THXT8XWriteVST2], (instregex "ST4i(8|16|32|64)$")>;
def : InstRW<[THXT8XWriteVST3], (instregex "ST4Fourv(8b|4h|2s|1d|16b|8h|4s)$")>;
def : InstRW<[THXT8XWriteVST2], (instregex "ST4Fourv(2d)$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST4i(8|16|32|64)_POST$")>;
def : InstRW<[THXT8XWriteVST3, WriteAdr], (instregex "ST4Fourv(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
def : InstRW<[THXT8XWriteVST2, WriteAdr], (instregex "ST4Fourv(2d)_POST$")>;

//---
// Floating Point MAC, DIV, SQRT
//---
def : InstRW<[THXT8XWriteFMAC], (instregex "^FN?M(ADD|SUB).*")>;
def : InstRW<[THXT8XWriteFMAC], (instregex "^FML(A|S).*")>;
def : InstRW<[THXT8XWriteFDivSP], (instrs FDIVSrr)>;
def : InstRW<[THXT8XWriteFDivDP], (instrs FDIVDrr)>;
def : InstRW<[THXT8XWriteFDivSP], (instregex "^FDIVv.*32$")>;
def : InstRW<[THXT8XWriteFDivDP], (instregex "^FDIVv.*64$")>;
def : InstRW<[THXT8XWriteFSqrtSP], (instregex "^.*SQRT.*32$")>;
def : InstRW<[THXT8XWriteFSqrtDP], (instregex "^.*SQRT.*64$")>;

}

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