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Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/Mips/MipsScheduleP5600.td')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/Mips/MipsScheduleP5600.td | 636 |
1 files changed, 636 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/Mips/MipsScheduleP5600.td b/contrib/llvm-project/llvm/lib/Target/Mips/MipsScheduleP5600.td new file mode 100644 index 000000000000..f68adc3496ab --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/Mips/MipsScheduleP5600.td @@ -0,0 +1,636 @@ +//==- 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)_I(8|16|32|64)_POSTRA$")>; +} |