| //==- MipsScheduleP5600.td - P5600 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| def MipsP5600Model : SchedMachineModel { |
| int IssueWidth = 2; // 2x dispatched per cycle |
| int MicroOpBufferSize = 48; // min(48, 48, 64) |
| int LoadLatency = 4; |
| int MispredictPenalty = 8; // TODO: Estimated |
| |
| let CompleteModel = 1; |
| let FullInstRWOverlapCheck = 1; |
| |
| list<Predicate> UnsupportedFeatures = [HasMips3, HasMips32r6, HasMips64, |
| HasMips64r2, HasMips64r5, HasMips64r6, |
| IsGP64bit, IsPTR64bit, |
| InMicroMips, InMips16Mode, |
| HasCnMips, HasCnMipsP, |
| HasDSP, HasDSPR2, HasMT, HasCRC]; |
| } |
| |
| let SchedModel = MipsP5600Model in { |
| |
| // ALQ Pipelines |
| // ============= |
| |
| def P5600ALQ : ProcResource<1> { let BufferSize = 16; } |
| def P5600IssueALU : ProcResource<1> { let Super = P5600ALQ; } |
| |
| // ALU Pipeline |
| // ------------ |
| |
| def P5600WriteALU : SchedWriteRes<[P5600IssueALU]>; |
| |
| // and, lui, nor, or, slti, sltiu, sub, subu, xor |
| def : InstRW<[P5600WriteALU], (instrs AND, LUi, NOR, OR, SLTi, SLTiu, SUB, |
| SUBu, XOR)>; |
| |
| // AGQ Pipelines |
| // ============= |
| |
| def P5600AGQ : ProcResource<3> { let BufferSize = 16; } |
| def P5600IssueAL2 : ProcResource<1> { let Super = P5600AGQ; } |
| def P5600IssueCTISTD : ProcResource<1> { let Super = P5600AGQ; } |
| def P5600IssueLDST : ProcResource<1> { let Super = P5600AGQ; } |
| |
| def P5600AL2Div : ProcResource<1>; |
| // Pseudo-resource used to block CTISTD when handling multi-pipeline splits. |
| def P5600CTISTD : ProcResource<1>; |
| |
| // CTISTD Pipeline |
| // --------------- |
| |
| def P5600WriteJump : SchedWriteRes<[P5600IssueCTISTD, P5600CTISTD]>; |
| def P5600WriteJumpAndLink : SchedWriteRes<[P5600IssueCTISTD, P5600CTISTD]> { |
| let Latency = 2; |
| } |
| |
| def P5600Nop : SchedWriteRes<[P5600IssueCTISTD]> { |
| let Latency = 0; |
| } |
| |
| def : InstRW<[P5600Nop], (instrs SSNOP, NOP)>; |
| |
| // b, beq, beql, bg[et]z, bl[et]z, bne, bnel, j, syscall, jal, bltzal, |
| // jalr, jr.hb, jr |
| def : InstRW<[P5600WriteJump], (instrs B, BAL, BAL_BR, BEQ, BEQL, BGEZ, BGEZAL, |
| BGEZALL, BGEZL, BGTZ, BGTZL, BLEZ, BLEZL, BLTZ, |
| BLTZAL, BLTZALL, BLTZL, BNE, BNEL, BREAK, |
| DERET, ERET, ERet, ERETNC, J, JR, JR_HB, |
| PseudoIndirectBranch, |
| PseudoIndirectHazardBranch, PseudoReturn, |
| SDBBP, SYSCALL, RetRA, TAILCALL, TAILCALLREG, |
| TAILCALLREGHB, TEQ, TEQI, TGE, TGEI, TGEIU, |
| TGEU, TLT, TLTI, TLTU, TNE, TNEI, TRAP, |
| TTLTIU, WAIT, PAUSE)>; |
| |
| def : InstRW<[P5600WriteJumpAndLink], (instrs JAL, JALR, JALRHBPseudo, |
| JALRPseudo, JALR_HB)>; |
| |
| def : InstRW<[P5600WriteJumpAndLink], (instrs JALX)> { |
| let Unsupported = 1; |
| } |
| |
| def P5600COP0 : SchedWriteRes<[P5600IssueCTISTD, P5600CTISTD]>; |
| |
| def : InstRW<[P5600COP0], (instrs TLBINV, TLBINVF, TLBP, TLBR, TLBWI, TLBWR, |
| MFC0, MTC0)>; |
| |
| def P5600COP2 : SchedWriteRes<[P5600IssueCTISTD, P5600CTISTD]>; |
| |
| def : InstRW<[P5600COP2], (instrs MFC2, MTC2)> { |
| let Unsupported = 1; |
| } |
| |
| // MIPS Virtualization ASE |
| // ======================= |
| def : InstRW<[P5600COP0], (instrs HYPCALL, MFGC0, MFHGC0, MTGC0, MTHGC0, |
| TLBGINV, TLBGINVF, TLBGP, TLBGR, TLBGWI, TLBGWR)>; |
| |
| // LDST Pipeline |
| // ------------- |
| |
| def P5600WriteLoad : SchedWriteRes<[P5600IssueLDST]> { |
| let Latency = 4; |
| } |
| |
| def P5600WriteLoadShifted : SchedWriteRes<[P5600IssueLDST, P5600CTISTD]> { |
| let Latency = 4; |
| } |
| |
| def P5600WriteCache : SchedWriteRes<[P5600IssueLDST]>; |
| |
| def P5600WriteStore : SchedWriteRes<[P5600IssueLDST, P5600CTISTD]> { |
| // FIXME: This is a bit pessimistic. P5600CTISTD is only used during cycle 2 |
| // not during 0, 1, and 2. |
| let ResourceCycles = [ 1, 3 ]; |
| } |
| |
| def P5600WriteGPRFromBypass : SchedWriteRes<[P5600IssueLDST]> { |
| let Latency = 2; |
| } |
| |
| def P5600WriteStoreFromOtherUnits : SchedWriteRes<[P5600IssueLDST]>; |
| def P5600WriteLoadToOtherUnits : SchedWriteRes<[P5600IssueLDST]> { |
| let Latency = 0; |
| } |
| |
| // l[bhw], l[bh]u, ll |
| def : InstRW<[P5600WriteLoad], (instrs LB, LBu, LH, LHu, LW, LL, LWC2, LWC3, |
| LDC2, LDC3, LBE, LBuE, LHE, LHuE, LWE, LLE, |
| LWPC)>; |
| |
| // lw[lr] |
| def : InstRW<[P5600WriteLoadShifted], (instrs LWL, LWR, LWLE, LWRE)>; |
| |
| // s[bhw], sw[lr] |
| def : InstRW<[P5600WriteStore], (instrs SB, SH, SW, SWC2, SWC3, SDC2, SDC3, SC, |
| SBE, SHE, SWE, SCE, SWL, SWR, SWLE, SWRE)>; |
| |
| // pref, cache, sync, synci |
| def : InstRW<[P5600WriteCache], (instrs PREF, PREFE, CACHE, CACHEE, SYNC, |
| SYNCI)>; |
| |
| // LDST is also used in moves from general purpose registers to floating point |
| // and MSA. |
| def P5600WriteMoveGPRToOtherUnits : SchedWriteRes<[P5600IssueLDST]> { |
| let Latency = 0; |
| } |
| |
| // AL2 Pipeline |
| // ------------ |
| |
| def P5600WriteAL2 : SchedWriteRes<[P5600IssueAL2]>; |
| def P5600WriteAL2BitExt : SchedWriteRes<[P5600IssueAL2]> { let Latency = 2; } |
| def P5600WriteAL2ShadowMov : SchedWriteRes<[P5600IssueAL2]> { let Latency = 2; } |
| def P5600WriteAL2CondMov : SchedWriteRes<[P5600IssueAL2, P5600CTISTD]> { |
| let Latency = 2; |
| } |
| def P5600WriteAL2Div : SchedWriteRes<[P5600IssueAL2, P5600AL2Div]> { |
| // Estimated worst case |
| let Latency = 34; |
| let ResourceCycles = [1, 34]; |
| } |
| def P5600WriteAL2DivU : SchedWriteRes<[P5600IssueAL2, P5600AL2Div]> { |
| // Estimated worst case |
| let Latency = 34; |
| let ResourceCycles = [1, 34]; |
| } |
| def P5600WriteAL2Mul : SchedWriteRes<[P5600IssueAL2]> { let Latency = 3; } |
| def P5600WriteAL2Mult: SchedWriteRes<[P5600IssueAL2]> { let Latency = 5; } |
| def P5600WriteAL2MAdd: SchedWriteRes<[P5600IssueAL2, P5600CTISTD]> { |
| let Latency = 5; |
| } |
| |
| // clo, clz, di, ei, mfhi, mflo |
| def : InstRW<[P5600WriteAL2], (instrs CLO, CLZ, DI, EI, MFHI, MFLO, |
| PseudoMFHI, PseudoMFLO)>; |
| |
| // ehb, rdhwr, rdpgpr, wrpgpr, wsbh |
| def : InstRW<[P5600WriteAL2ShadowMov], (instrs EHB, RDHWR, WSBH)>; |
| |
| // mov[nz] |
| def : InstRW<[P5600WriteAL2CondMov], (instrs MOVN_I_I, MOVZ_I_I)>; |
| |
| // divu? |
| def : InstRW<[P5600WriteAL2Div], (instrs DIV, PseudoSDIV, SDIV)>; |
| def : InstRW<[P5600WriteAL2DivU], (instrs DIVU, PseudoUDIV, UDIV)>; |
| |
| // mul |
| def : InstRW<[P5600WriteAL2Mul], (instrs MUL)>; |
| // multu?, multu? |
| def : InstRW<[P5600WriteAL2Mult], (instrs MULT, MULTu, PseudoMULT, |
| PseudoMULTu)>; |
| // maddu?, msubu?, mthi, mtlo |
| def : InstRW<[P5600WriteAL2MAdd], (instrs MADD, MADDU, MSUB, MSUBU, |
| MTHI, MTLO, PseudoMADD, PseudoMADDU, |
| PseudoMSUB, PseudoMSUBU, PseudoMTLOHI)>; |
| |
| // ext, ins |
| def : InstRW<[P5600WriteAL2BitExt], (instrs EXT, INS)>; |
| |
| // Either ALU or AL2 Pipelines |
| // --------------------------- |
| // |
| // Some instructions can choose between ALU and AL2, but once dispatched to |
| // ALQ or AGQ respectively they are committed to that path. |
| // The decision is based on the outcome of the most recent selection when the |
| // choice was last available. For now, we assume ALU is always chosen. |
| |
| def P5600WriteEitherALU : SchedWriteVariant< |
| // FIXME: Implement selection predicate |
| [SchedVar<SchedPredicate<[{1}]>, [P5600WriteALU]>, |
| SchedVar<SchedPredicate<[{0}]>, [P5600WriteAL2]> |
| ]>; |
| |
| // add, addi, addiu, addu, andi, ori, rotr, se[bh], sllv?, sr[al]v?, slt, sltu, |
| // xori |
| def : InstRW<[P5600WriteEitherALU], (instrs ADD, ADDi, ADDiu, ANDi, ORi, ROTR, |
| SEB, SEH, SLT, SLTu, SLL, SRA, SRL, XORi, |
| ADDu, SLLV, SRAV, SRLV, LSA, COPY)>; |
| |
| // FPU Pipelines |
| // ============= |
| |
| def P5600FPQ : ProcResource<3> { let BufferSize = 16; } |
| def P5600IssueFPUS : ProcResource<1> { let Super = P5600FPQ; } |
| def P5600IssueFPUL : ProcResource<1> { let Super = P5600FPQ; } |
| def P5600IssueFPULoad : ProcResource<1> { let Super = P5600FPQ; } |
| |
| def P5600FPUDivSqrt : ProcResource<2>; |
| |
| def P5600WriteFPUS : SchedWriteRes<[P5600IssueFPUS]>; |
| def P5600WriteFPUL : SchedWriteRes<[P5600IssueFPUL]> { let Latency = 4; } |
| def P5600WriteFPUL_MADDSUB : SchedWriteRes<[P5600IssueFPUL]> { let Latency = 6; } |
| def P5600WriteFPUDivI : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 23 / 27 |
| let Latency = 23; // Using common case |
| let ResourceCycles = [ 1, 23 ]; |
| } |
| def P5600WriteFPUDivS : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 23 / 27 |
| let Latency = 23; // Using common case |
| let ResourceCycles = [ 1, 23 ]; |
| } |
| def P5600WriteFPUDivD : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 31 / 35 |
| let Latency = 31; // Using common case |
| let ResourceCycles = [ 1, 31 ]; |
| } |
| def P5600WriteFPURcpS : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 19 / 23 |
| let Latency = 19; // Using common case |
| let ResourceCycles = [ 1, 19 ]; |
| } |
| def P5600WriteFPURcpD : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 27 / 31 |
| let Latency = 27; // Using common case |
| let ResourceCycles = [ 1, 27 ]; |
| } |
| def P5600WriteFPURsqrtS : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 27 / 27 |
| let Latency = 27; // Using common case |
| let ResourceCycles = [ 1, 27 ]; |
| } |
| def P5600WriteFPURsqrtD : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 27 / 31 |
| let Latency = 27; // Using common case |
| let ResourceCycles = [ 1, 27 ]; |
| } |
| def P5600WriteFPUSqrtS : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 27 / 31 |
| let Latency = 27; // Using common case |
| let ResourceCycles = [ 1, 27 ]; |
| } |
| def P5600WriteFPUSqrtD : SchedWriteRes<[P5600IssueFPUL, P5600FPUDivSqrt]> { |
| // Best/Common/Worst case = 7 / 35 / 39 |
| let Latency = 35; // Using common case |
| let ResourceCycles = [ 1, 35 ]; |
| } |
| def P5600WriteMSAShortLogic : SchedWriteRes<[P5600IssueFPUS]>; |
| def P5600WriteMSAShortInt : SchedWriteRes<[P5600IssueFPUS]> { let Latency = 2; } |
| def P5600WriteMoveOtherUnitsToFPU : SchedWriteRes<[P5600IssueFPUS]>; |
| def P5600WriteMSAOther3 : SchedWriteRes<[P5600IssueFPUS]> { let Latency = 3; } |
| def P5600WriteMSALongInt : SchedWriteRes<[P5600IssueFPUS]> { let Latency = 5; } |
| |
| // vshf.[bhwd], binsl.[bhwd], binsr.[bhwd], insert.[bhwd], sld?.[bhwd], |
| // bset.[bhwd], bclr.[bhwd], bneg.[bhwd], bsel_v, bseli_b |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^VSHF_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(BINSL|BINSLI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(BINSR|BINSRI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^INSERT_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(SLD|SLDI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(BSET|BSETI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(BCLR|BCLRI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(BNEG|BNEGI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(BSEL_V|BSELI_B)$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^BMN*Z.*$")>; |
| def : InstRW<[P5600WriteMSAShortInt], |
| (instregex "^BSEL_(H|W|D|FW|FD)_PSEUDO$")>; |
| |
| // pcnt.[bhwd], sat_s.[bhwd], sat_u.bhwd] |
| def : InstRW<[P5600WriteMSAOther3], (instregex "^PCNT_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAOther3], (instregex "^SAT_(S|U)_[BHWD]$")>; |
| |
| // bnz.[bhwdv], cfcmsa, ctcmsa |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(BNZ|BZ)_[BHWDV]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^C(F|T)CMSA$")>; |
| |
| // FPUS is also used in moves from floating point and MSA registers to general |
| // purpose registers. |
| def P5600WriteMoveFPUSToOtherUnits : SchedWriteRes<[P5600IssueFPUS]> { |
| let Latency = 0; |
| } |
| |
| // FPUL is also used in moves from floating point and MSA registers to general |
| // purpose registers. |
| def P5600WriteMoveFPULToOtherUnits : SchedWriteRes<[P5600IssueFPUL]>; |
| |
| // Short Pipe |
| // ---------- |
| // |
| // abs.[ds], abs.ps, bc1[tf]l?, mov[tf].[ds], mov[tf], mov.[ds], [cm][ft]c1, |
| // m[ft]hc1, neg.[ds], neg.ps, nor.v, nori.b, or.v, ori.b, xor.v, xori.b, |
| // sdxc1, sdc1, st.[bhwd], swc1, swxc1 |
| def : InstRW<[P5600WriteFPUS], (instrs FABS_S, FABS_D32, FABS_D64, MOVF_D32, |
| MOVF_D64, MOVF_S, MOVT_D32, MOVT_D64, |
| MOVT_S, FMOV_D32, FMOV_D64, FMOV_S, FNEG_S, |
| FNEG_D32, FNEG_D64)>; |
| |
| // adds_a.[bhwd], adds_[asu].[bhwd], addvi?.[bhwd], asub_[us].[bhwd], |
| // aver?_[us].[bhwd], shf.[bhw], fill[bhwd], splat?.[bhwd] |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^ADD_A_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^ADDS_[ASU]_[BHWD]$")>; |
| // TODO: ADDVI_[BHW] might be 1 cycle latency rather than 2. Need to confirm it. |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^ADDVI?_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^ASUB_[US].[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^AVER?_[US].[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^SHF_[BHW]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^FILL_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^(SPLAT|SPLATI)_[BHWD]$")>; |
| |
| // and.v, andi.b, move.v, ldi.[bhwd] |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^MOVE_V$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^LDI_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(AND|OR|[XN]OR)_V$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(AND|OR|[XN]OR)I_B$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], |
| (instregex "^(AND|OR|[XN]OR)_V_[DHW]_PSEUDO$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^FILL_F(D|W)_PSEUDO$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^INSERT_F(D|W)_PSEUDO$")>; |
| |
| // fexp2_w, fexp2_d |
| def : InstRW<[P5600WriteFPUS], (instregex "^FEXP2_(W|D)$")>; |
| |
| // compare, converts, round to int, floating point truncate. |
| def : InstRW<[P5600WriteFPUS], (instregex "^(CLT|CLTI)_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^(CLE|CLEI)_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^(CEQ|CEQI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_UN_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_UEQ_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_EQ_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_LT_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_ULT_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_LE_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^CMP_ULE_(S|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FS(AF|EQ|LT|LE|NE|OR)_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FSUEQ_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FSULE_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FSULT_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FSUNE_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FSUN_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCAF_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCEQ_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCLE_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCLT_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCNE_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCOR_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCUEQ_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCULE_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCULT_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCUNE_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCUN_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FABS_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FFINT_(U|S)_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FFQL_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FFQR_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FTINT_(U|S)_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FRINT_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FTQ_(H|W)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FTRUNC_(U|S)_(W|D)$")>; |
| |
| // fexdo.[hw], fexupl.[wd], fexupr.[wd] |
| def : InstRW<[P5600WriteFPUS], (instregex "^FEXDO_(H|W)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FEXUPL_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FEXUPR_(W|D)$")>; |
| |
| // fclass.[wd], fmax.[wd], fmax_a.[wd], fmin.[wd], fmin_a.[wd], flog2.[wd] |
| def : InstRW<[P5600WriteFPUS], (instregex "^FCLASS_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FMAX_A_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FMAX_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FMIN_A_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FMIN_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUS], (instregex "^FLOG2_(W|D)$")>; |
| |
| // interleave right/left, interleave even/odd, insert |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(ILVR|ILVL)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(ILVEV|ILVOD)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^INSVE_[BHWD]$")>; |
| |
| // subs_?.[bhwd], subsus_?.[bhwd], subsuu_?.[bhwd], subvi.[bhwd], subv.[bhwd], |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^SUBS_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^SUBSUS_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^SUBSUU_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^SUBVI_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortInt], (instregex "^SUBV_[BHWD]$")>; |
| |
| // mod_[su].[bhwd], div_[su].[bhwd] |
| def : InstRW<[P5600WriteFPUDivI], (instregex "^MOD_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteFPUDivI], (instregex "^DIV_(S|U)_[BHWD]$")>; |
| |
| // hadd_[su].[bhwd], hsub_[su].[bhwd], max_[sua].[bhwd], min_[sua].[bhwd], |
| // maxi_[su].[bhwd], mini_[su].[bhwd], sra?.[bhwd], srar?.[bhwd], srlr.[bhwd], |
| // sll?.[bhwd], pckev.[bhwd], pckod.[bhwd], nloc.[bhwd], nlzc.[bhwd], |
| // insve.[bhwd] |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^HADD_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^HSUB_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(MAX|MIN)_S_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(MAX|MIN)_U_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(MAX|MIN)_A_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(MAXI|MINI)_(S|U)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(SRA|SRAI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(SRL|SRLI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(SRAR|SRARI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(SRLR|SRLRI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(SLL|SLLI)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(PCKEV|PCKOD)_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSAShortLogic], (instregex "^(NLOC|NLZC)_[BHWD]$")>; |
| |
| // Long Pipe |
| // ---------- |
| // |
| // add.[ds], add.ps, cvt.d.[sw], cvt.s.[dw], cvt.w.[sd], cvt.[sw].ps, |
| // cvt.ps.[sw], cvt.s.(pl|pu), c.<cc>.[ds], c.<cc>.ps, mul.[ds], mul.ps, |
| // pl[lu].ps, sub.[ds], sub.ps, trunc.w.[ds], trunc.w.ps |
| def : InstRW<[P5600WriteFPUL], |
| (instrs FADD_D32, FADD_D64, FADD_S, FMUL_D32, FMUL_D64, FMUL_S, |
| FSUB_D32, FSUB_D64, FSUB_S)>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^TRUNC_(L|W)_(S|D32|D64)$")>; |
| def : InstRW<[P5600WriteFPUL], |
| (instregex "^CVT_(S|D32|D64|L|W)_(S|D32|D64|L|W)$")>; |
| def : InstRW<[P5600WriteFPUL], (instrs CVT_PS_S64, CVT_S_PL64, CVT_S_PU64)>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^C_[A-Z]+_(S|D32|D64)$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^FCMP_(S32|D32|D64)$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^PseudoCVT_(S|D32|D64)_(L|W)$")>; |
| def : InstRW<[P5600WriteFPUL], (instrs PLL_PS64, PLU_PS64)>; |
| |
| // div.[ds], div.ps |
| def : InstRW<[P5600WriteFPUDivS], (instrs FDIV_S)>; |
| def : InstRW<[P5600WriteFPUDivD], (instrs FDIV_D32, FDIV_D64)>; |
| |
| // sqrt.[ds], sqrt.ps |
| def : InstRW<[P5600WriteFPUSqrtS], (instrs FSQRT_S)>; |
| def : InstRW<[P5600WriteFPUSqrtD], (instrs FSQRT_D32, FSQRT_D64)>; |
| |
| // frcp.[wd], frsqrt.[wd] |
| def : InstRW<[P5600WriteFPURsqrtD], (instregex "^FRCP_(W|D)$")>; |
| def : InstRW<[P5600WriteFPURsqrtD], (instregex "^FRSQRT_(W|D)$")>; |
| |
| def : InstRW<[P5600WriteFPURsqrtD], (instrs RECIP_D32, RECIP_D64, RSQRT_D32, |
| RSQRT_D64)>; |
| def : InstRW<[P5600WriteFPURsqrtS], (instrs RECIP_S, RSQRT_S)>; |
| |
| // fmadd.[wd], fmsubb.[wd], fdiv.[wd], fsqrt.[wd], fmul.[wd], fadd.[wd], |
| // fsub.[wd] |
| def : InstRW<[P5600WriteFPUL_MADDSUB], (instregex "^FMADD_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUL_MADDSUB], (instregex "^FMSUB_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUDivS], (instregex "^FDIV_W$")>; |
| def : InstRW<[P5600WriteFPUDivD], (instregex "^FDIV_D$")>; |
| def : InstRW<[P5600WriteFPUSqrtS], (instregex "^FSQRT_W$")>; |
| def : InstRW<[P5600WriteFPUSqrtD], (instregex "^FSQRT_D$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^FMUL_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^FADD_(W|D)$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^FSUB_(W|D)$")>; |
| |
| // dpadd_?.[bhwd], dpsub_?.[bhwd], dotp_?.[bhwd], msubv.[bhwd], maddv.[bhwd] |
| // mulv.[bhwd]. |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^DPADD_(S|U)_[HWD]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^DPSUB_(S|U)_[HWD]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^DOTP_(S|U)_[HWD]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MSUBV_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MADDV_[BHWD]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MULV_[BHWD]$")>; |
| |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MADDR_Q_[HW]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MADD_Q_[HW]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MSUBR_Q_[HW]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MSUB_Q_[HW]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MULR_Q_[HW]$")>; |
| def : InstRW<[P5600WriteMSALongInt], (instregex "^MUL_Q_[HW]$")>; |
| |
| // madd.[ds], msub.[ds], nmadd.[ds], nmsub.[ds], |
| // Operand 0 is read on cycle 5. All other operands are read on operand 0. |
| def : InstRW<[SchedReadAdvance<5>, P5600WriteFPUL_MADDSUB], |
| (instrs MADD_D32, MADD_D64, MADD_S, MSUB_D32, MSUB_D64, MSUB_S, |
| NMADD_D32, NMADD_D64, NMADD_S, NMSUB_D32, NMSUB_D64, NMSUB_S)>; |
| |
| // madd.ps, msub.ps, nmadd.ps, nmsub.ps |
| // Operand 0 and 1 are read on cycle 5. All others are read on operand 0. |
| // (none of these instructions exist in the backend yet) |
| |
| // Load Pipe |
| // --------- |
| // |
| // This is typically used in conjunction with the load pipeline under the AGQ |
| // All the instructions are in the 'Tricky Instructions' section. |
| |
| def P5600WriteLoadOtherUnitsToFPU : SchedWriteRes<[P5600IssueFPULoad]> { |
| let Latency = 4; |
| } |
| |
| // Tricky Instructions |
| // =================== |
| // |
| // These instructions are split across multiple uops (in different pipelines) |
| // that must cooperate to complete the operation |
| |
| // FIXME: This isn't quite right since the implementation of WriteSequence |
| // current aggregates the resources and ignores the exact cycle they are |
| // used. |
| def P5600WriteMoveGPRToFPU : WriteSequence<[P5600WriteMoveGPRToOtherUnits, |
| P5600WriteMoveOtherUnitsToFPU]>; |
| |
| // FIXME: This isn't quite right since the implementation of WriteSequence |
| // current aggregates the resources and ignores the exact cycle they are |
| // used. |
| def P5600WriteMoveFPUToGPR : WriteSequence<[P5600WriteMoveFPUSToOtherUnits, |
| P5600WriteGPRFromBypass]>; |
| |
| // FIXME: This isn't quite right since the implementation of WriteSequence |
| // current aggregates the resources and ignores the exact cycle they are |
| // used. |
| def P5600WriteStoreFPUS : WriteSequence<[P5600WriteMoveFPUSToOtherUnits, |
| P5600WriteStoreFromOtherUnits]>; |
| |
| // FIXME: This isn't quite right since the implementation of WriteSequence |
| // current aggregates the resources and ignores the exact cycle they are |
| // used. |
| def P5600WriteStoreFPUL : WriteSequence<[P5600WriteMoveFPULToOtherUnits, |
| P5600WriteStoreFromOtherUnits]>; |
| |
| // FIXME: This isn't quite right since the implementation of WriteSequence |
| // current aggregates the resources and ignores the exact cycle they are |
| // used. |
| def P5600WriteLoadFPU : WriteSequence<[P5600WriteLoadToOtherUnits, |
| P5600WriteLoadOtherUnitsToFPU]>; |
| |
| // ctc1, mtc1, mthc1 |
| def : InstRW<[P5600WriteMoveGPRToFPU], (instrs CTC1, MTC1, MTC1_D64, MTHC1_D32, |
| MTHC1_D64, BuildPairF64, |
| BuildPairF64_64)>; |
| |
| // copy.[su]_[bhwd] |
| def : InstRW<[P5600WriteMoveFPUToGPR], (instregex "^COPY_U_[BHW]$")>; |
| def : InstRW<[P5600WriteMoveFPUToGPR], (instregex "^COPY_S_[BHWD]$")>; |
| |
| // bc1[ft], cfc1, mfc1, mfhc1, movf, movt |
| def : InstRW<[P5600WriteMoveFPUToGPR], (instrs BC1F, BC1FL, BC1T, BC1TL, CFC1, |
| MFC1, MFC1_D64, MFHC1_D32, MFHC1_D64, |
| MOVF_I, MOVT_I, ExtractElementF64, |
| ExtractElementF64_64)>; |
| |
| // swc1, swxc1, st.[bhwd] |
| def : InstRW<[P5600WriteStoreFPUS], (instrs SDC1, SDC164, SDXC1, SDXC164, |
| SWC1, SWXC1, SUXC1, SUXC164)>; |
| def : InstRW<[P5600WriteStoreFPUS], (instregex "^ST_[BHWD]$")>; |
| def : InstRW<[P5600WriteStoreFPUS], (instrs ST_F16)>; |
| |
| // movn.[ds], movz.[ds] |
| def : InstRW<[P5600WriteStoreFPUL], (instrs MOVN_I_D32, MOVN_I_D64, MOVN_I_S, |
| MOVZ_I_D32, MOVZ_I_D64, MOVZ_I_S)>; |
| |
| // l[dw]x?c1, ld.[bhwd] |
| def : InstRW<[P5600WriteLoadFPU], (instrs LDC1, LDC164, LDXC1, LDXC164, |
| LWC1, LWXC1, LUXC1, LUXC164)>; |
| def : InstRW<[P5600WriteLoadFPU], (instregex "LD_[BHWD]")>; |
| def : InstRW<[P5600WriteLoadFPU], (instrs LD_F16)>; |
| |
| // Unsupported Instructions |
| // ======================== |
| // |
| // The following instruction classes are never valid on P5600. |
| // II_DADDIU, II_DADDU, II_DMFC1, II_DMTC1, II_DMULT, II_DMULTU, II_DROTR, |
| // II_DROTR32, II_DROTRV, II_DDIV, II_DSLL, II_DSLL32, II_DSLLV, II_DSRA, |
| // II_DSRA32, II_DSRAV, II_DSRL, II_DSRL32, II_DSRLV, II_DSUBU, II_DDIVU, |
| // II_JALRC, II_LD, II_LD[LR], II_RESTORE, II_SAVE, II_SD, II_SDC1, II_SD[LR] |
| // |
| // The following instructions are never valid on P5600. |
| // addq.ph, repl.ph, repl.qb, subq.ph, subu_s.qb |
| // |
| // Guesswork |
| // ========= |
| // |
| // This section is largely temporary guesswork. |
| |
| // ceil.[lw].[ds], floor.[lw].[ds] |
| // Reason behind guess: trunc.[lw].ds and the various cvt's are in FPUL |
| def : InstRW<[P5600WriteFPUL], (instregex "^CEIL_(L|W)_(S|D32|D64)$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^FLOOR_(L|W)_(S|D32|D64)$")>; |
| def : InstRW<[P5600WriteFPUL], (instregex "^ROUND_(L|W)_(S|D32|D64)$")>; |
| |
| // rotrv |
| // Reason behind guess: rotr is in the same category and the two register forms |
| // generally follow the immediate forms in this category |
| def : InstRW<[P5600WriteEitherALU], (instrs ROTRV)>; |
| |
| // Atomic instructions |
| |
| // FIXME: Define `WriteAtomic` in the MipsSchedule.td and |
| // attach it to the Atomic2OpsPostRA, AtomicCmpSwapPostRA, ... |
| // classes. Then just define resources for the `WriteAtomic` in each |
| // machine models. |
| def P5600Atomic : ProcResource<1> { let BufferSize = 1; } |
| def P5600WriteAtomic : SchedWriteRes<[P5600Atomic]> { let Latency = 2; } |
| |
| def : InstRW<[P5600WriteAtomic], |
| (instregex "^ATOMIC_SWAP_I(8|16|32|64)_POSTRA$")>; |
| def : InstRW<[P5600WriteAtomic], |
| (instregex "^ATOMIC_CMP_SWAP_I(8|16|32|64)_POSTRA$")>; |
| def : InstRW<[P5600WriteAtomic], |
| (instregex "^ATOMIC_LOAD_(ADD|SUB|AND|OR|XOR|NAND|MIN|MAX|UMIN|UMAX)" |
| "_I(8|16|32|64)_POSTRA$")>; |
| } |
