| //===-- X86Schedule.td - X86 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // InstrSchedModel annotations for out-of-order CPUs. |
| |
| // Instructions with folded loads need to read the memory operand immediately, |
| // but other register operands don't have to be read until the load is ready. |
| // These operands are marked with ReadAfterLd. |
| def ReadAfterLd : SchedRead; |
| def ReadAfterVecLd : SchedRead; |
| def ReadAfterVecXLd : SchedRead; |
| def ReadAfterVecYLd : SchedRead; |
| |
| // Instructions that move data between general purpose registers and vector |
| // registers may be subject to extra latency due to data bypass delays. |
| // This SchedRead describes a bypass delay caused by data being moved from the |
| // integer unit to the floating point unit. |
| def ReadInt2Fpu : SchedRead; |
| |
| // Instructions with both a load and a store folded are modeled as a folded |
| // load + WriteRMW. |
| def WriteRMW : SchedWrite; |
| |
| // Helper to set SchedWrite ExePorts/Latency/ResourceCycles/NumMicroOps. |
| multiclass X86WriteRes<SchedWrite SchedRW, |
| list<ProcResourceKind> ExePorts, |
| int Lat, list<int> Res, int UOps> { |
| def : WriteRes<SchedRW, ExePorts> { |
| let Latency = Lat; |
| let ResourceCycles = Res; |
| let NumMicroOps = UOps; |
| } |
| } |
| |
| // Most instructions can fold loads, so almost every SchedWrite comes in two |
| // variants: With and without a folded load. |
| // An X86FoldableSchedWrite holds a reference to the corresponding SchedWrite |
| // with a folded load. |
| class X86FoldableSchedWrite : SchedWrite { |
| // The SchedWrite to use when a load is folded into the instruction. |
| SchedWrite Folded; |
| // The SchedRead to tag register operands than don't need to be ready |
| // until the folded load has completed. |
| SchedRead ReadAfterFold; |
| } |
| |
| // Multiclass that produces a linked pair of SchedWrites. |
| multiclass X86SchedWritePair<SchedRead ReadAfter = ReadAfterLd> { |
| // Register-Memory operation. |
| def Ld : SchedWrite; |
| // Register-Register operation. |
| def NAME : X86FoldableSchedWrite { |
| let Folded = !cast<SchedWrite>(NAME#"Ld"); |
| let ReadAfterFold = ReadAfter; |
| } |
| } |
| |
| // Helpers to mark SchedWrites as unsupported. |
| multiclass X86WriteResUnsupported<SchedWrite SchedRW> { |
| let Unsupported = 1 in { |
| def : WriteRes<SchedRW, []>; |
| } |
| } |
| multiclass X86WriteResPairUnsupported<X86FoldableSchedWrite SchedRW> { |
| let Unsupported = 1 in { |
| def : WriteRes<SchedRW, []>; |
| def : WriteRes<SchedRW.Folded, []>; |
| } |
| } |
| |
| // Multiclass that wraps X86FoldableSchedWrite for each vector width. |
| class X86SchedWriteWidths<X86FoldableSchedWrite sScl, |
| X86FoldableSchedWrite s128, |
| X86FoldableSchedWrite s256, |
| X86FoldableSchedWrite s512> { |
| X86FoldableSchedWrite Scl = sScl; // Scalar float/double operations. |
| X86FoldableSchedWrite MMX = sScl; // MMX operations. |
| X86FoldableSchedWrite XMM = s128; // XMM operations. |
| X86FoldableSchedWrite YMM = s256; // YMM operations. |
| X86FoldableSchedWrite ZMM = s512; // ZMM operations. |
| } |
| |
| // Multiclass that wraps X86SchedWriteWidths for each fp vector type. |
| class X86SchedWriteSizes<X86SchedWriteWidths sPS, |
| X86SchedWriteWidths sPD> { |
| X86SchedWriteWidths PS = sPS; |
| X86SchedWriteWidths PD = sPD; |
| } |
| |
| // Multiclass that wraps move/load/store triple for a vector width. |
| class X86SchedWriteMoveLS<SchedWrite MoveRR, |
| SchedWrite LoadRM, |
| SchedWrite StoreMR> { |
| SchedWrite RR = MoveRR; |
| SchedWrite RM = LoadRM; |
| SchedWrite MR = StoreMR; |
| } |
| |
| // Multiclass that wraps masked load/store writes for a vector width. |
| class X86SchedWriteMaskMove<SchedWrite LoadRM, SchedWrite StoreMR> { |
| SchedWrite RM = LoadRM; |
| SchedWrite MR = StoreMR; |
| } |
| |
| // Multiclass that wraps X86SchedWriteMoveLS for each vector width. |
| class X86SchedWriteMoveLSWidths<X86SchedWriteMoveLS sScl, |
| X86SchedWriteMoveLS s128, |
| X86SchedWriteMoveLS s256, |
| X86SchedWriteMoveLS s512> { |
| X86SchedWriteMoveLS Scl = sScl; // Scalar float/double operations. |
| X86SchedWriteMoveLS MMX = sScl; // MMX operations. |
| X86SchedWriteMoveLS XMM = s128; // XMM operations. |
| X86SchedWriteMoveLS YMM = s256; // YMM operations. |
| X86SchedWriteMoveLS ZMM = s512; // ZMM operations. |
| } |
| |
| // Loads, stores, and moves, not folded with other operations. |
| def WriteLoad : SchedWrite; |
| def WriteStore : SchedWrite; |
| def WriteStoreNT : SchedWrite; |
| def WriteMove : SchedWrite; |
| def WriteCopy : WriteSequence<[WriteLoad, WriteStore]>; // mem->mem copy |
| |
| // Arithmetic. |
| defm WriteALU : X86SchedWritePair; // Simple integer ALU op. |
| defm WriteADC : X86SchedWritePair; // Integer ALU + flags op. |
| def WriteALURMW : WriteSequence<[WriteALULd, WriteRMW]>; |
| def WriteADCRMW : WriteSequence<[WriteADCLd, WriteRMW]>; |
| def WriteLEA : SchedWrite; // LEA instructions can't fold loads. |
| |
| // Integer multiplication |
| defm WriteIMul8 : X86SchedWritePair; // Integer 8-bit multiplication. |
| defm WriteIMul16 : X86SchedWritePair; // Integer 16-bit multiplication. |
| defm WriteIMul16Imm : X86SchedWritePair; // Integer 16-bit multiplication by immediate. |
| defm WriteIMul16Reg : X86SchedWritePair; // Integer 16-bit multiplication by register. |
| defm WriteIMul32 : X86SchedWritePair; // Integer 32-bit multiplication. |
| defm WriteIMul32Imm : X86SchedWritePair; // Integer 32-bit multiplication by immediate. |
| defm WriteIMul32Reg : X86SchedWritePair; // Integer 32-bit multiplication by register. |
| defm WriteIMul64 : X86SchedWritePair; // Integer 64-bit multiplication. |
| defm WriteIMul64Imm : X86SchedWritePair; // Integer 64-bit multiplication by immediate. |
| defm WriteIMul64Reg : X86SchedWritePair; // Integer 64-bit multiplication by register. |
| def WriteIMulH : SchedWrite; // Integer multiplication, high part. |
| |
| def WriteBSWAP32 : SchedWrite; // Byte Order (Endianness) 32-bit Swap. |
| def WriteBSWAP64 : SchedWrite; // Byte Order (Endianness) 64-bit Swap. |
| defm WriteCMPXCHG : X86SchedWritePair; // Compare and set, compare and swap. |
| def WriteCMPXCHGRMW : SchedWrite; // Compare and set, compare and swap. |
| def WriteXCHG : SchedWrite; // Compare+Exchange - TODO RMW support. |
| |
| // Integer division. |
| defm WriteDiv8 : X86SchedWritePair; |
| defm WriteDiv16 : X86SchedWritePair; |
| defm WriteDiv32 : X86SchedWritePair; |
| defm WriteDiv64 : X86SchedWritePair; |
| defm WriteIDiv8 : X86SchedWritePair; |
| defm WriteIDiv16 : X86SchedWritePair; |
| defm WriteIDiv32 : X86SchedWritePair; |
| defm WriteIDiv64 : X86SchedWritePair; |
| |
| defm WriteBSF : X86SchedWritePair; // Bit scan forward. |
| defm WriteBSR : X86SchedWritePair; // Bit scan reverse. |
| defm WritePOPCNT : X86SchedWritePair; // Bit population count. |
| defm WriteLZCNT : X86SchedWritePair; // Leading zero count. |
| defm WriteTZCNT : X86SchedWritePair; // Trailing zero count. |
| defm WriteCMOV : X86SchedWritePair; // Conditional move. |
| def WriteFCMOV : SchedWrite; // X87 conditional move. |
| def WriteSETCC : SchedWrite; // Set register based on condition code. |
| def WriteSETCCStore : SchedWrite; |
| def WriteLAHFSAHF : SchedWrite; // Load/Store flags in AH. |
| |
| def WriteBitTest : SchedWrite; // Bit Test |
| def WriteBitTestImmLd : SchedWrite; |
| def WriteBitTestRegLd : SchedWrite; |
| |
| def WriteBitTestSet : SchedWrite; // Bit Test + Set |
| def WriteBitTestSetImmLd : SchedWrite; |
| def WriteBitTestSetRegLd : SchedWrite; |
| def WriteBitTestSetImmRMW : WriteSequence<[WriteBitTestSetImmLd, WriteRMW]>; |
| def WriteBitTestSetRegRMW : WriteSequence<[WriteBitTestSetRegLd, WriteRMW]>; |
| |
| // Integer shifts and rotates. |
| defm WriteShift : X86SchedWritePair; |
| defm WriteShiftCL : X86SchedWritePair; |
| defm WriteRotate : X86SchedWritePair; |
| defm WriteRotateCL : X86SchedWritePair; |
| |
| // Double shift instructions. |
| def WriteSHDrri : SchedWrite; |
| def WriteSHDrrcl : SchedWrite; |
| def WriteSHDmri : SchedWrite; |
| def WriteSHDmrcl : SchedWrite; |
| |
| // BMI1 BEXTR/BLS, BMI2 BZHI |
| defm WriteBEXTR : X86SchedWritePair; |
| defm WriteBLS : X86SchedWritePair; |
| defm WriteBZHI : X86SchedWritePair; |
| |
| // Idioms that clear a register, like xorps %xmm0, %xmm0. |
| // These can often bypass execution ports completely. |
| def WriteZero : SchedWrite; |
| |
| // Branches don't produce values, so they have no latency, but they still |
| // consume resources. Indirect branches can fold loads. |
| defm WriteJump : X86SchedWritePair; |
| |
| // Floating point. This covers both scalar and vector operations. |
| def WriteFLD0 : SchedWrite; |
| def WriteFLD1 : SchedWrite; |
| def WriteFLDC : SchedWrite; |
| def WriteFLoad : SchedWrite; |
| def WriteFLoadX : SchedWrite; |
| def WriteFLoadY : SchedWrite; |
| def WriteFMaskedLoad : SchedWrite; |
| def WriteFMaskedLoadY : SchedWrite; |
| def WriteFStore : SchedWrite; |
| def WriteFStoreX : SchedWrite; |
| def WriteFStoreY : SchedWrite; |
| def WriteFStoreNT : SchedWrite; |
| def WriteFStoreNTX : SchedWrite; |
| def WriteFStoreNTY : SchedWrite; |
| |
| def WriteFMaskedStore32 : SchedWrite; |
| def WriteFMaskedStore64 : SchedWrite; |
| def WriteFMaskedStore32Y : SchedWrite; |
| def WriteFMaskedStore64Y : SchedWrite; |
| |
| def WriteFMove : SchedWrite; |
| def WriteFMoveX : SchedWrite; |
| def WriteFMoveY : SchedWrite; |
| |
| defm WriteFAdd : X86SchedWritePair<ReadAfterVecLd>; // Floating point add/sub. |
| defm WriteFAddX : X86SchedWritePair<ReadAfterVecXLd>; // Floating point add/sub (XMM). |
| defm WriteFAddY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point add/sub (YMM). |
| defm WriteFAddZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point add/sub (ZMM). |
| defm WriteFAdd64 : X86SchedWritePair<ReadAfterVecLd>; // Floating point double add/sub. |
| defm WriteFAdd64X : X86SchedWritePair<ReadAfterVecXLd>; // Floating point double add/sub (XMM). |
| defm WriteFAdd64Y : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double add/sub (YMM). |
| defm WriteFAdd64Z : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double add/sub (ZMM). |
| defm WriteFCmp : X86SchedWritePair<ReadAfterVecLd>; // Floating point compare. |
| defm WriteFCmpX : X86SchedWritePair<ReadAfterVecXLd>; // Floating point compare (XMM). |
| defm WriteFCmpY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point compare (YMM). |
| defm WriteFCmpZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point compare (ZMM). |
| defm WriteFCmp64 : X86SchedWritePair<ReadAfterVecLd>; // Floating point double compare. |
| defm WriteFCmp64X : X86SchedWritePair<ReadAfterVecXLd>; // Floating point double compare (XMM). |
| defm WriteFCmp64Y : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double compare (YMM). |
| defm WriteFCmp64Z : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double compare (ZMM). |
| defm WriteFCom : X86SchedWritePair<ReadAfterVecLd>; // Floating point compare to flags. |
| defm WriteFMul : X86SchedWritePair<ReadAfterVecLd>; // Floating point multiplication. |
| defm WriteFMulX : X86SchedWritePair<ReadAfterVecXLd>; // Floating point multiplication (XMM). |
| defm WriteFMulY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point multiplication (YMM). |
| defm WriteFMulZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point multiplication (YMM). |
| defm WriteFMul64 : X86SchedWritePair<ReadAfterVecLd>; // Floating point double multiplication. |
| defm WriteFMul64X : X86SchedWritePair<ReadAfterVecXLd>; // Floating point double multiplication (XMM). |
| defm WriteFMul64Y : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double multiplication (YMM). |
| defm WriteFMul64Z : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double multiplication (ZMM). |
| defm WriteFDiv : X86SchedWritePair<ReadAfterVecLd>; // Floating point division. |
| defm WriteFDivX : X86SchedWritePair<ReadAfterVecXLd>; // Floating point division (XMM). |
| defm WriteFDivY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point division (YMM). |
| defm WriteFDivZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point division (ZMM). |
| defm WriteFDiv64 : X86SchedWritePair<ReadAfterVecLd>; // Floating point double division. |
| defm WriteFDiv64X : X86SchedWritePair<ReadAfterVecXLd>; // Floating point double division (XMM). |
| defm WriteFDiv64Y : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double division (YMM). |
| defm WriteFDiv64Z : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double division (ZMM). |
| defm WriteFSqrt : X86SchedWritePair<ReadAfterVecLd>; // Floating point square root. |
| defm WriteFSqrtX : X86SchedWritePair<ReadAfterVecXLd>; // Floating point square root (XMM). |
| defm WriteFSqrtY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point square root (YMM). |
| defm WriteFSqrtZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point square root (ZMM). |
| defm WriteFSqrt64 : X86SchedWritePair<ReadAfterVecLd>; // Floating point double square root. |
| defm WriteFSqrt64X : X86SchedWritePair<ReadAfterVecXLd>; // Floating point double square root (XMM). |
| defm WriteFSqrt64Y : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double square root (YMM). |
| defm WriteFSqrt64Z : X86SchedWritePair<ReadAfterVecYLd>; // Floating point double square root (ZMM). |
| defm WriteFSqrt80 : X86SchedWritePair<ReadAfterVecLd>; // Floating point long double square root. |
| defm WriteFRcp : X86SchedWritePair<ReadAfterVecLd>; // Floating point reciprocal estimate. |
| defm WriteFRcpX : X86SchedWritePair<ReadAfterVecXLd>; // Floating point reciprocal estimate (XMM). |
| defm WriteFRcpY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point reciprocal estimate (YMM). |
| defm WriteFRcpZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point reciprocal estimate (ZMM). |
| defm WriteFRsqrt : X86SchedWritePair<ReadAfterVecLd>; // Floating point reciprocal square root estimate. |
| defm WriteFRsqrtX: X86SchedWritePair<ReadAfterVecXLd>; // Floating point reciprocal square root estimate (XMM). |
| defm WriteFRsqrtY: X86SchedWritePair<ReadAfterVecYLd>; // Floating point reciprocal square root estimate (YMM). |
| defm WriteFRsqrtZ: X86SchedWritePair<ReadAfterVecYLd>; // Floating point reciprocal square root estimate (ZMM). |
| defm WriteFMA : X86SchedWritePair<ReadAfterVecLd>; // Fused Multiply Add. |
| defm WriteFMAX : X86SchedWritePair<ReadAfterVecXLd>; // Fused Multiply Add (XMM). |
| defm WriteFMAY : X86SchedWritePair<ReadAfterVecYLd>; // Fused Multiply Add (YMM). |
| defm WriteFMAZ : X86SchedWritePair<ReadAfterVecYLd>; // Fused Multiply Add (ZMM). |
| defm WriteDPPD : X86SchedWritePair<ReadAfterVecXLd>; // Floating point double dot product. |
| defm WriteDPPS : X86SchedWritePair<ReadAfterVecXLd>; // Floating point single dot product. |
| defm WriteDPPSY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point single dot product (YMM). |
| defm WriteDPPSZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point single dot product (ZMM). |
| defm WriteFSign : X86SchedWritePair<ReadAfterVecLd>; // Floating point fabs/fchs. |
| defm WriteFRnd : X86SchedWritePair<ReadAfterVecXLd>; // Floating point rounding. |
| defm WriteFRndY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point rounding (YMM). |
| defm WriteFRndZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point rounding (ZMM). |
| defm WriteFLogic : X86SchedWritePair<ReadAfterVecXLd>; // Floating point and/or/xor logicals. |
| defm WriteFLogicY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point and/or/xor logicals (YMM). |
| defm WriteFLogicZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point and/or/xor logicals (ZMM). |
| defm WriteFTest : X86SchedWritePair<ReadAfterVecXLd>; // Floating point TEST instructions. |
| defm WriteFTestY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point TEST instructions (YMM). |
| defm WriteFTestZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point TEST instructions (ZMM). |
| defm WriteFShuffle : X86SchedWritePair<ReadAfterVecXLd>; // Floating point vector shuffles. |
| defm WriteFShuffleY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point vector shuffles (YMM). |
| defm WriteFShuffleZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point vector shuffles (ZMM). |
| defm WriteFVarShuffle : X86SchedWritePair<ReadAfterVecXLd>; // Floating point vector variable shuffles. |
| defm WriteFVarShuffleY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point vector variable shuffles (YMM). |
| defm WriteFVarShuffleZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point vector variable shuffles (ZMM). |
| defm WriteFBlend : X86SchedWritePair<ReadAfterVecXLd>; // Floating point vector blends. |
| defm WriteFBlendY : X86SchedWritePair<ReadAfterVecYLd>; // Floating point vector blends (YMM). |
| defm WriteFBlendZ : X86SchedWritePair<ReadAfterVecYLd>; // Floating point vector blends (ZMM). |
| defm WriteFVarBlend : X86SchedWritePair<ReadAfterVecXLd>; // Fp vector variable blends. |
| defm WriteFVarBlendY : X86SchedWritePair<ReadAfterVecYLd>; // Fp vector variable blends (YMM). |
| defm WriteFVarBlendZ : X86SchedWritePair<ReadAfterVecYLd>; // Fp vector variable blends (YMZMM). |
| |
| // FMA Scheduling helper class. |
| class FMASC { X86FoldableSchedWrite Sched = WriteFAdd; } |
| |
| // Horizontal Add/Sub (float and integer) |
| defm WriteFHAdd : X86SchedWritePair<ReadAfterVecXLd>; |
| defm WriteFHAddY : X86SchedWritePair<ReadAfterVecYLd>; |
| defm WriteFHAddZ : X86SchedWritePair<ReadAfterVecYLd>; |
| defm WritePHAdd : X86SchedWritePair<ReadAfterVecLd>; |
| defm WritePHAddX : X86SchedWritePair<ReadAfterVecXLd>; |
| defm WritePHAddY : X86SchedWritePair<ReadAfterVecYLd>; |
| defm WritePHAddZ : X86SchedWritePair<ReadAfterVecYLd>; |
| |
| // Vector integer operations. |
| def WriteVecLoad : SchedWrite; |
| def WriteVecLoadX : SchedWrite; |
| def WriteVecLoadY : SchedWrite; |
| def WriteVecLoadNT : SchedWrite; |
| def WriteVecLoadNTY : SchedWrite; |
| def WriteVecMaskedLoad : SchedWrite; |
| def WriteVecMaskedLoadY : SchedWrite; |
| def WriteVecStore : SchedWrite; |
| def WriteVecStoreX : SchedWrite; |
| def WriteVecStoreY : SchedWrite; |
| def WriteVecStoreNT : SchedWrite; |
| def WriteVecStoreNTY : SchedWrite; |
| def WriteVecMaskedStore : SchedWrite; |
| def WriteVecMaskedStoreY : SchedWrite; |
| def WriteVecMove : SchedWrite; |
| def WriteVecMoveX : SchedWrite; |
| def WriteVecMoveY : SchedWrite; |
| def WriteVecMoveToGpr : SchedWrite; |
| def WriteVecMoveFromGpr : SchedWrite; |
| |
| defm WriteVecALU : X86SchedWritePair<ReadAfterVecLd>; // Vector integer ALU op, no logicals. |
| defm WriteVecALUX : X86SchedWritePair<ReadAfterVecXLd>; // Vector integer ALU op, no logicals (XMM). |
| defm WriteVecALUY : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer ALU op, no logicals (YMM). |
| defm WriteVecALUZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer ALU op, no logicals (ZMM). |
| defm WriteVecLogic : X86SchedWritePair<ReadAfterVecLd>; // Vector integer and/or/xor logicals. |
| defm WriteVecLogicX : X86SchedWritePair<ReadAfterVecXLd>; // Vector integer and/or/xor logicals (XMM). |
| defm WriteVecLogicY : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer and/or/xor logicals (YMM). |
| defm WriteVecLogicZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer and/or/xor logicals (ZMM). |
| defm WriteVecTest : X86SchedWritePair<ReadAfterVecXLd>; // Vector integer TEST instructions. |
| defm WriteVecTestY : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer TEST instructions (YMM). |
| defm WriteVecTestZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer TEST instructions (ZMM). |
| defm WriteVecShift : X86SchedWritePair<ReadAfterVecLd>; // Vector integer shifts (default). |
| defm WriteVecShiftX : X86SchedWritePair<ReadAfterVecXLd>; // Vector integer shifts (XMM). |
| defm WriteVecShiftY : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer shifts (YMM). |
| defm WriteVecShiftZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer shifts (ZMM). |
| defm WriteVecShiftImm : X86SchedWritePair<ReadAfterVecLd>; // Vector integer immediate shifts (default). |
| defm WriteVecShiftImmX: X86SchedWritePair<ReadAfterVecXLd>; // Vector integer immediate shifts (XMM). |
| defm WriteVecShiftImmY: X86SchedWritePair<ReadAfterVecYLd>; // Vector integer immediate shifts (YMM). |
| defm WriteVecShiftImmZ: X86SchedWritePair<ReadAfterVecYLd>; // Vector integer immediate shifts (ZMM). |
| defm WriteVecIMul : X86SchedWritePair<ReadAfterVecLd>; // Vector integer multiply (default). |
| defm WriteVecIMulX : X86SchedWritePair<ReadAfterVecXLd>; // Vector integer multiply (XMM). |
| defm WriteVecIMulY : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer multiply (YMM). |
| defm WriteVecIMulZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector integer multiply (ZMM). |
| defm WritePMULLD : X86SchedWritePair<ReadAfterVecXLd>; // Vector PMULLD. |
| defm WritePMULLDY : X86SchedWritePair<ReadAfterVecYLd>; // Vector PMULLD (YMM). |
| defm WritePMULLDZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector PMULLD (ZMM). |
| defm WriteShuffle : X86SchedWritePair<ReadAfterVecLd>; // Vector shuffles. |
| defm WriteShuffleX : X86SchedWritePair<ReadAfterVecXLd>; // Vector shuffles (XMM). |
| defm WriteShuffleY : X86SchedWritePair<ReadAfterVecYLd>; // Vector shuffles (YMM). |
| defm WriteShuffleZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector shuffles (ZMM). |
| defm WriteVarShuffle : X86SchedWritePair<ReadAfterVecLd>; // Vector variable shuffles. |
| defm WriteVarShuffleX : X86SchedWritePair<ReadAfterVecXLd>; // Vector variable shuffles (XMM). |
| defm WriteVarShuffleY : X86SchedWritePair<ReadAfterVecYLd>; // Vector variable shuffles (YMM). |
| defm WriteVarShuffleZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector variable shuffles (ZMM). |
| defm WriteBlend : X86SchedWritePair<ReadAfterVecXLd>; // Vector blends. |
| defm WriteBlendY : X86SchedWritePair<ReadAfterVecYLd>; // Vector blends (YMM). |
| defm WriteBlendZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector blends (ZMM). |
| defm WriteVarBlend : X86SchedWritePair<ReadAfterVecXLd>; // Vector variable blends. |
| defm WriteVarBlendY : X86SchedWritePair<ReadAfterVecYLd>; // Vector variable blends (YMM). |
| defm WriteVarBlendZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector variable blends (ZMM). |
| defm WritePSADBW : X86SchedWritePair<ReadAfterVecLd>; // Vector PSADBW. |
| defm WritePSADBWX : X86SchedWritePair<ReadAfterVecXLd>; // Vector PSADBW (XMM). |
| defm WritePSADBWY : X86SchedWritePair<ReadAfterVecYLd>; // Vector PSADBW (YMM). |
| defm WritePSADBWZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector PSADBW (ZMM). |
| defm WriteMPSAD : X86SchedWritePair<ReadAfterVecXLd>; // Vector MPSAD. |
| defm WriteMPSADY : X86SchedWritePair<ReadAfterVecYLd>; // Vector MPSAD (YMM). |
| defm WriteMPSADZ : X86SchedWritePair<ReadAfterVecYLd>; // Vector MPSAD (ZMM). |
| defm WritePHMINPOS : X86SchedWritePair<ReadAfterVecXLd>; // Vector PHMINPOS. |
| |
| // Vector insert/extract operations. |
| defm WriteVecInsert : X86SchedWritePair; // Insert gpr to vector element. |
| def WriteVecExtract : SchedWrite; // Extract vector element to gpr. |
| def WriteVecExtractSt : SchedWrite; // Extract vector element and store. |
| |
| // MOVMSK operations. |
| def WriteFMOVMSK : SchedWrite; |
| def WriteVecMOVMSK : SchedWrite; |
| def WriteVecMOVMSKY : SchedWrite; |
| def WriteMMXMOVMSK : SchedWrite; |
| |
| // Conversion between integer and float. |
| defm WriteCvtSD2I : X86SchedWritePair<ReadAfterVecLd>; // Double -> Integer. |
| defm WriteCvtPD2I : X86SchedWritePair<ReadAfterVecXLd>; // Double -> Integer (XMM). |
| defm WriteCvtPD2IY : X86SchedWritePair<ReadAfterVecYLd>; // Double -> Integer (YMM). |
| defm WriteCvtPD2IZ : X86SchedWritePair<ReadAfterVecYLd>; // Double -> Integer (ZMM). |
| |
| defm WriteCvtSS2I : X86SchedWritePair<ReadAfterVecLd>; // Float -> Integer. |
| defm WriteCvtPS2I : X86SchedWritePair<ReadAfterVecXLd>; // Float -> Integer (XMM). |
| defm WriteCvtPS2IY : X86SchedWritePair<ReadAfterVecYLd>; // Float -> Integer (YMM). |
| defm WriteCvtPS2IZ : X86SchedWritePair<ReadAfterVecYLd>; // Float -> Integer (ZMM). |
| |
| defm WriteCvtI2SD : X86SchedWritePair<ReadAfterVecLd>; // Integer -> Double. |
| defm WriteCvtI2PD : X86SchedWritePair<ReadAfterVecXLd>; // Integer -> Double (XMM). |
| defm WriteCvtI2PDY : X86SchedWritePair<ReadAfterVecYLd>; // Integer -> Double (YMM). |
| defm WriteCvtI2PDZ : X86SchedWritePair<ReadAfterVecYLd>; // Integer -> Double (ZMM). |
| |
| defm WriteCvtI2SS : X86SchedWritePair<ReadAfterVecLd>; // Integer -> Float. |
| defm WriteCvtI2PS : X86SchedWritePair<ReadAfterVecXLd>; // Integer -> Float (XMM). |
| defm WriteCvtI2PSY : X86SchedWritePair<ReadAfterVecYLd>; // Integer -> Float (YMM). |
| defm WriteCvtI2PSZ : X86SchedWritePair<ReadAfterVecYLd>; // Integer -> Float (ZMM). |
| |
| defm WriteCvtSS2SD : X86SchedWritePair<ReadAfterVecLd>; // Float -> Double size conversion. |
| defm WriteCvtPS2PD : X86SchedWritePair<ReadAfterVecXLd>; // Float -> Double size conversion (XMM). |
| defm WriteCvtPS2PDY : X86SchedWritePair<ReadAfterVecYLd>; // Float -> Double size conversion (YMM). |
| defm WriteCvtPS2PDZ : X86SchedWritePair<ReadAfterVecYLd>; // Float -> Double size conversion (ZMM). |
| |
| defm WriteCvtSD2SS : X86SchedWritePair<ReadAfterVecLd>; // Double -> Float size conversion. |
| defm WriteCvtPD2PS : X86SchedWritePair<ReadAfterVecXLd>; // Double -> Float size conversion (XMM). |
| defm WriteCvtPD2PSY : X86SchedWritePair<ReadAfterVecYLd>; // Double -> Float size conversion (YMM). |
| defm WriteCvtPD2PSZ : X86SchedWritePair<ReadAfterVecYLd>; // Double -> Float size conversion (ZMM). |
| |
| defm WriteCvtPH2PS : X86SchedWritePair<ReadAfterVecXLd>; // Half -> Float size conversion. |
| defm WriteCvtPH2PSY : X86SchedWritePair<ReadAfterVecYLd>; // Half -> Float size conversion (YMM). |
| defm WriteCvtPH2PSZ : X86SchedWritePair<ReadAfterVecYLd>; // Half -> Float size conversion (ZMM). |
| |
| def WriteCvtPS2PH : SchedWrite; // // Float -> Half size conversion. |
| def WriteCvtPS2PHY : SchedWrite; // // Float -> Half size conversion (YMM). |
| def WriteCvtPS2PHZ : SchedWrite; // // Float -> Half size conversion (ZMM). |
| def WriteCvtPS2PHSt : SchedWrite; // // Float -> Half + store size conversion. |
| def WriteCvtPS2PHYSt : SchedWrite; // // Float -> Half + store size conversion (YMM). |
| def WriteCvtPS2PHZSt : SchedWrite; // // Float -> Half + store size conversion (ZMM). |
| |
| // CRC32 instruction. |
| defm WriteCRC32 : X86SchedWritePair<ReadAfterLd>; |
| |
| // Strings instructions. |
| // Packed Compare Implicit Length Strings, Return Mask |
| defm WritePCmpIStrM : X86SchedWritePair<ReadAfterVecXLd>; |
| // Packed Compare Explicit Length Strings, Return Mask |
| defm WritePCmpEStrM : X86SchedWritePair<ReadAfterVecXLd>; |
| // Packed Compare Implicit Length Strings, Return Index |
| defm WritePCmpIStrI : X86SchedWritePair<ReadAfterVecXLd>; |
| // Packed Compare Explicit Length Strings, Return Index |
| defm WritePCmpEStrI : X86SchedWritePair<ReadAfterVecXLd>; |
| |
| // AES instructions. |
| defm WriteAESDecEnc : X86SchedWritePair<ReadAfterVecXLd>; // Decryption, encryption. |
| defm WriteAESIMC : X86SchedWritePair<ReadAfterVecXLd>; // InvMixColumn. |
| defm WriteAESKeyGen : X86SchedWritePair<ReadAfterVecXLd>; // Key Generation. |
| |
| // Carry-less multiplication instructions. |
| defm WriteCLMul : X86SchedWritePair<ReadAfterVecXLd>; |
| |
| // EMMS/FEMMS |
| def WriteEMMS : SchedWrite; |
| |
| // Load/store MXCSR |
| def WriteLDMXCSR : SchedWrite; |
| def WriteSTMXCSR : SchedWrite; |
| |
| // Catch-all for expensive system instructions. |
| def WriteSystem : SchedWrite; |
| |
| // AVX2. |
| defm WriteFShuffle256 : X86SchedWritePair<ReadAfterVecYLd>; // Fp 256-bit width vector shuffles. |
| defm WriteFVarShuffle256 : X86SchedWritePair<ReadAfterVecYLd>; // Fp 256-bit width variable shuffles. |
| defm WriteShuffle256 : X86SchedWritePair<ReadAfterVecYLd>; // 256-bit width vector shuffles. |
| defm WriteVarShuffle256 : X86SchedWritePair<ReadAfterVecYLd>; // 256-bit width vector variable shuffles. |
| defm WriteVarVecShift : X86SchedWritePair<ReadAfterVecXLd>; // Variable vector shifts. |
| defm WriteVarVecShiftY : X86SchedWritePair<ReadAfterVecYLd>; // Variable vector shifts (YMM). |
| defm WriteVarVecShiftZ : X86SchedWritePair<ReadAfterVecYLd>; // Variable vector shifts (ZMM). |
| |
| // Old microcoded instructions that nobody use. |
| def WriteMicrocoded : SchedWrite; |
| |
| // Fence instructions. |
| def WriteFence : SchedWrite; |
| |
| // Nop, not very useful expect it provides a model for nops! |
| def WriteNop : SchedWrite; |
| |
| // Move/Load/Store wrappers. |
| def WriteFMoveLS |
| : X86SchedWriteMoveLS<WriteFMove, WriteFLoad, WriteFStore>; |
| def WriteFMoveLSX |
| : X86SchedWriteMoveLS<WriteFMoveX, WriteFLoadX, WriteFStoreX>; |
| def WriteFMoveLSY |
| : X86SchedWriteMoveLS<WriteFMoveY, WriteFLoadY, WriteFStoreY>; |
| def SchedWriteFMoveLS |
| : X86SchedWriteMoveLSWidths<WriteFMoveLS, WriteFMoveLSX, |
| WriteFMoveLSY, WriteFMoveLSY>; |
| |
| def WriteFMoveLSNT |
| : X86SchedWriteMoveLS<WriteFMove, WriteFLoad, WriteFStoreNT>; |
| def WriteFMoveLSNTX |
| : X86SchedWriteMoveLS<WriteFMove, WriteFLoad, WriteFStoreNTX>; |
| def WriteFMoveLSNTY |
| : X86SchedWriteMoveLS<WriteFMoveY, WriteFLoadY, WriteFStoreNTY>; |
| def SchedWriteFMoveLSNT |
| : X86SchedWriteMoveLSWidths<WriteFMoveLSNT, WriteFMoveLSNTX, |
| WriteFMoveLSNTY, WriteFMoveLSNTY>; |
| |
| def WriteVecMoveLS |
| : X86SchedWriteMoveLS<WriteVecMove, WriteVecLoad, WriteVecStore>; |
| def WriteVecMoveLSX |
| : X86SchedWriteMoveLS<WriteVecMoveX, WriteVecLoadX, WriteVecStoreX>; |
| def WriteVecMoveLSY |
| : X86SchedWriteMoveLS<WriteVecMoveY, WriteVecLoadY, WriteVecStoreY>; |
| def SchedWriteVecMoveLS |
| : X86SchedWriteMoveLSWidths<WriteVecMoveLS, WriteVecMoveLSX, |
| WriteVecMoveLSY, WriteVecMoveLSY>; |
| |
| def WriteVecMoveLSNT |
| : X86SchedWriteMoveLS<WriteVecMove, WriteVecLoadNT, WriteVecStoreNT>; |
| def WriteVecMoveLSNTX |
| : X86SchedWriteMoveLS<WriteVecMoveX, WriteVecLoadNT, WriteVecStoreNT>; |
| def WriteVecMoveLSNTY |
| : X86SchedWriteMoveLS<WriteVecMoveY, WriteVecLoadNTY, WriteVecStoreNTY>; |
| def SchedWriteVecMoveLSNT |
| : X86SchedWriteMoveLSWidths<WriteVecMoveLSNT, WriteVecMoveLSNTX, |
| WriteVecMoveLSNTY, WriteVecMoveLSNTY>; |
| |
| // Conditional SIMD Packed Loads and Stores wrappers. |
| def WriteFMaskMove32 |
| : X86SchedWriteMaskMove<WriteFMaskedLoad, WriteFMaskedStore32>; |
| def WriteFMaskMove64 |
| : X86SchedWriteMaskMove<WriteFMaskedLoad, WriteFMaskedStore64>; |
| def WriteFMaskMove32Y |
| : X86SchedWriteMaskMove<WriteFMaskedLoadY, WriteFMaskedStore32Y>; |
| def WriteFMaskMove64Y |
| : X86SchedWriteMaskMove<WriteFMaskedLoadY, WriteFMaskedStore64Y>; |
| |
| // Vector width wrappers. |
| def SchedWriteFAdd |
| : X86SchedWriteWidths<WriteFAdd, WriteFAddX, WriteFAddY, WriteFAddZ>; |
| def SchedWriteFAdd64 |
| : X86SchedWriteWidths<WriteFAdd64, WriteFAdd64X, WriteFAdd64Y, WriteFAdd64Z>; |
| def SchedWriteFHAdd |
| : X86SchedWriteWidths<WriteFHAdd, WriteFHAdd, WriteFHAddY, WriteFHAddZ>; |
| def SchedWriteFCmp |
| : X86SchedWriteWidths<WriteFCmp, WriteFCmpX, WriteFCmpY, WriteFCmpZ>; |
| def SchedWriteFCmp64 |
| : X86SchedWriteWidths<WriteFCmp64, WriteFCmp64X, WriteFCmp64Y, WriteFCmp64Z>; |
| def SchedWriteFMul |
| : X86SchedWriteWidths<WriteFMul, WriteFMulX, WriteFMulY, WriteFMulZ>; |
| def SchedWriteFMul64 |
| : X86SchedWriteWidths<WriteFMul64, WriteFMul64X, WriteFMul64Y, WriteFMul64Z>; |
| def SchedWriteFMA |
| : X86SchedWriteWidths<WriteFMA, WriteFMAX, WriteFMAY, WriteFMAZ>; |
| def SchedWriteDPPD |
| : X86SchedWriteWidths<WriteDPPD, WriteDPPD, WriteDPPD, WriteDPPD>; |
| def SchedWriteDPPS |
| : X86SchedWriteWidths<WriteDPPS, WriteDPPS, WriteDPPSY, WriteDPPSZ>; |
| def SchedWriteFDiv |
| : X86SchedWriteWidths<WriteFDiv, WriteFDivX, WriteFDivY, WriteFDivZ>; |
| def SchedWriteFDiv64 |
| : X86SchedWriteWidths<WriteFDiv64, WriteFDiv64X, WriteFDiv64Y, WriteFDiv64Z>; |
| def SchedWriteFSqrt |
| : X86SchedWriteWidths<WriteFSqrt, WriteFSqrtX, |
| WriteFSqrtY, WriteFSqrtZ>; |
| def SchedWriteFSqrt64 |
| : X86SchedWriteWidths<WriteFSqrt64, WriteFSqrt64X, |
| WriteFSqrt64Y, WriteFSqrt64Z>; |
| def SchedWriteFRcp |
| : X86SchedWriteWidths<WriteFRcp, WriteFRcpX, WriteFRcpY, WriteFRcpZ>; |
| def SchedWriteFRsqrt |
| : X86SchedWriteWidths<WriteFRsqrt, WriteFRsqrtX, WriteFRsqrtY, WriteFRsqrtZ>; |
| def SchedWriteFRnd |
| : X86SchedWriteWidths<WriteFRnd, WriteFRnd, WriteFRndY, WriteFRndZ>; |
| def SchedWriteFLogic |
| : X86SchedWriteWidths<WriteFLogic, WriteFLogic, WriteFLogicY, WriteFLogicZ>; |
| def SchedWriteFTest |
| : X86SchedWriteWidths<WriteFTest, WriteFTest, WriteFTestY, WriteFTestZ>; |
| |
| def SchedWriteFShuffle |
| : X86SchedWriteWidths<WriteFShuffle, WriteFShuffle, |
| WriteFShuffleY, WriteFShuffleZ>; |
| def SchedWriteFVarShuffle |
| : X86SchedWriteWidths<WriteFVarShuffle, WriteFVarShuffle, |
| WriteFVarShuffleY, WriteFVarShuffleZ>; |
| def SchedWriteFBlend |
| : X86SchedWriteWidths<WriteFBlend, WriteFBlend, WriteFBlendY, WriteFBlendZ>; |
| def SchedWriteFVarBlend |
| : X86SchedWriteWidths<WriteFVarBlend, WriteFVarBlend, |
| WriteFVarBlendY, WriteFVarBlendZ>; |
| |
| def SchedWriteCvtDQ2PD |
| : X86SchedWriteWidths<WriteCvtI2SD, WriteCvtI2PD, |
| WriteCvtI2PDY, WriteCvtI2PDZ>; |
| def SchedWriteCvtDQ2PS |
| : X86SchedWriteWidths<WriteCvtI2SS, WriteCvtI2PS, |
| WriteCvtI2PSY, WriteCvtI2PSZ>; |
| def SchedWriteCvtPD2DQ |
| : X86SchedWriteWidths<WriteCvtSD2I, WriteCvtPD2I, |
| WriteCvtPD2IY, WriteCvtPD2IZ>; |
| def SchedWriteCvtPS2DQ |
| : X86SchedWriteWidths<WriteCvtSS2I, WriteCvtPS2I, |
| WriteCvtPS2IY, WriteCvtPS2IZ>; |
| def SchedWriteCvtPS2PD |
| : X86SchedWriteWidths<WriteCvtSS2SD, WriteCvtPS2PD, |
| WriteCvtPS2PDY, WriteCvtPS2PDZ>; |
| def SchedWriteCvtPD2PS |
| : X86SchedWriteWidths<WriteCvtSD2SS, WriteCvtPD2PS, |
| WriteCvtPD2PSY, WriteCvtPD2PSZ>; |
| |
| def SchedWriteVecALU |
| : X86SchedWriteWidths<WriteVecALU, WriteVecALUX, WriteVecALUY, WriteVecALUZ>; |
| def SchedWritePHAdd |
| : X86SchedWriteWidths<WritePHAdd, WritePHAddX, WritePHAddY, WritePHAddZ>; |
| def SchedWriteVecLogic |
| : X86SchedWriteWidths<WriteVecLogic, WriteVecLogicX, |
| WriteVecLogicY, WriteVecLogicZ>; |
| def SchedWriteVecTest |
| : X86SchedWriteWidths<WriteVecTest, WriteVecTest, |
| WriteVecTestY, WriteVecTestZ>; |
| def SchedWriteVecShift |
| : X86SchedWriteWidths<WriteVecShift, WriteVecShiftX, |
| WriteVecShiftY, WriteVecShiftZ>; |
| def SchedWriteVecShiftImm |
| : X86SchedWriteWidths<WriteVecShiftImm, WriteVecShiftImmX, |
| WriteVecShiftImmY, WriteVecShiftImmZ>; |
| def SchedWriteVarVecShift |
| : X86SchedWriteWidths<WriteVarVecShift, WriteVarVecShift, |
| WriteVarVecShiftY, WriteVarVecShiftZ>; |
| def SchedWriteVecIMul |
| : X86SchedWriteWidths<WriteVecIMul, WriteVecIMulX, |
| WriteVecIMulY, WriteVecIMulZ>; |
| def SchedWritePMULLD |
| : X86SchedWriteWidths<WritePMULLD, WritePMULLD, |
| WritePMULLDY, WritePMULLDZ>; |
| def SchedWriteMPSAD |
| : X86SchedWriteWidths<WriteMPSAD, WriteMPSAD, |
| WriteMPSADY, WriteMPSADZ>; |
| def SchedWritePSADBW |
| : X86SchedWriteWidths<WritePSADBW, WritePSADBWX, |
| WritePSADBWY, WritePSADBWZ>; |
| |
| def SchedWriteShuffle |
| : X86SchedWriteWidths<WriteShuffle, WriteShuffleX, |
| WriteShuffleY, WriteShuffleZ>; |
| def SchedWriteVarShuffle |
| : X86SchedWriteWidths<WriteVarShuffle, WriteVarShuffleX, |
| WriteVarShuffleY, WriteVarShuffleZ>; |
| def SchedWriteBlend |
| : X86SchedWriteWidths<WriteBlend, WriteBlend, WriteBlendY, WriteBlendZ>; |
| def SchedWriteVarBlend |
| : X86SchedWriteWidths<WriteVarBlend, WriteVarBlend, |
| WriteVarBlendY, WriteVarBlendZ>; |
| |
| // Vector size wrappers. |
| def SchedWriteFAddSizes |
| : X86SchedWriteSizes<SchedWriteFAdd, SchedWriteFAdd64>; |
| def SchedWriteFCmpSizes |
| : X86SchedWriteSizes<SchedWriteFCmp, SchedWriteFCmp64>; |
| def SchedWriteFMulSizes |
| : X86SchedWriteSizes<SchedWriteFMul, SchedWriteFMul64>; |
| def SchedWriteFDivSizes |
| : X86SchedWriteSizes<SchedWriteFDiv, SchedWriteFDiv64>; |
| def SchedWriteFSqrtSizes |
| : X86SchedWriteSizes<SchedWriteFSqrt, SchedWriteFSqrt64>; |
| def SchedWriteFLogicSizes |
| : X86SchedWriteSizes<SchedWriteFLogic, SchedWriteFLogic>; |
| def SchedWriteFShuffleSizes |
| : X86SchedWriteSizes<SchedWriteFShuffle, SchedWriteFShuffle>; |
| |
| //===----------------------------------------------------------------------===// |
| // Generic Processor Scheduler Models. |
| |
| // IssueWidth is analogous to the number of decode units. Core and its |
| // descendents, including Nehalem and SandyBridge have 4 decoders. |
| // Resources beyond the decoder operate on micro-ops and are bufferred |
| // so adjacent micro-ops don't directly compete. |
| // |
| // MicroOpBufferSize > 1 indicates that RAW dependencies can be |
| // decoded in the same cycle. The value 32 is a reasonably arbitrary |
| // number of in-flight instructions. |
| // |
| // HighLatency=10 is optimistic. X86InstrInfo::isHighLatencyDef |
| // indicates high latency opcodes. Alternatively, InstrItinData |
| // entries may be included here to define specific operand |
| // latencies. Since these latencies are not used for pipeline hazards, |
| // they do not need to be exact. |
| // |
| // The GenericX86Model contains no instruction schedules |
| // and disables PostRAScheduler. |
| class GenericX86Model : SchedMachineModel { |
| let IssueWidth = 4; |
| let MicroOpBufferSize = 32; |
| let LoadLatency = 4; |
| let HighLatency = 10; |
| let PostRAScheduler = 0; |
| let CompleteModel = 0; |
| } |
| |
| def GenericModel : GenericX86Model; |
| |
| // Define a model with the PostRAScheduler enabled. |
| def GenericPostRAModel : GenericX86Model { |
| let PostRAScheduler = 1; |
| } |
