|  | //===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- tablegen -*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file describes the subset of the 32-bit PowerPC instruction set, as used | 
|  | // by the PowerPC instruction selector. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | include "PPCInstrFormats.td" | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC specific type constraints. | 
|  | // | 
|  | def SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx | 
|  | SDTCisVT<0, f64>, SDTCisPtrTy<1> | 
|  | ]>; | 
|  | def SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>; | 
|  | def SDT_PPCCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>, | 
|  | SDTCisVT<1, i32> ]>; | 
|  | def SDT_PPCvperm   : SDTypeProfile<1, 3, [ | 
|  | SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2> | 
|  | ]>; | 
|  |  | 
|  | def SDT_PPCvcmp : SDTypeProfile<1, 3, [ | 
|  | SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32> | 
|  | ]>; | 
|  |  | 
|  | def SDT_PPCcondbr : SDTypeProfile<0, 3, [ | 
|  | SDTCisVT<0, i32>, SDTCisVT<2, OtherVT> | 
|  | ]>; | 
|  |  | 
|  | def SDT_PPClbrx : SDTypeProfile<1, 3, [ | 
|  | SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT> | 
|  | ]>; | 
|  | def SDT_PPCstbrx : SDTypeProfile<0, 4, [ | 
|  | SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT> | 
|  | ]>; | 
|  |  | 
|  | def SDT_PPClarx : SDTypeProfile<1, 1, [ | 
|  | SDTCisInt<0>, SDTCisPtrTy<1> | 
|  | ]>; | 
|  | def SDT_PPCstcx : SDTypeProfile<0, 2, [ | 
|  | SDTCisInt<0>, SDTCisPtrTy<1> | 
|  | ]>; | 
|  |  | 
|  | def SDT_PPCTC_ret : SDTypeProfile<0, 2, [ | 
|  | SDTCisPtrTy<0>, SDTCisVT<1, i32> | 
|  | ]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC specific DAG Nodes. | 
|  | // | 
|  |  | 
|  | def PPCfcfid  : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>; | 
|  | def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>; | 
|  | def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>; | 
|  | def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx, | 
|  | [SDNPHasChain, SDNPMayStore]>; | 
|  |  | 
|  | // This sequence is used for long double->int conversions.  It changes the | 
|  | // bits in the FPSCR which is not modelled. | 
|  | def PPCmffs   : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>, | 
|  | [SDNPOutFlag]>; | 
|  | def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>, | 
|  | [SDNPInFlag, SDNPOutFlag]>; | 
|  | def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>, | 
|  | [SDNPInFlag, SDNPOutFlag]>; | 
|  | def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp, | 
|  | [SDNPInFlag, SDNPOutFlag]>; | 
|  | def PPCmtfsf  : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3, | 
|  | [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>, | 
|  | SDTCisVT<3, f64>]>, | 
|  | [SDNPInFlag]>; | 
|  |  | 
|  | def PPCfsel   : SDNode<"PPCISD::FSEL", | 
|  | // Type constraint for fsel. | 
|  | SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, | 
|  | SDTCisFP<0>, SDTCisVT<1, f64>]>, []>; | 
|  |  | 
|  | def PPChi       : SDNode<"PPCISD::Hi", SDTIntBinOp, []>; | 
|  | def PPClo       : SDNode<"PPCISD::Lo", SDTIntBinOp, []>; | 
|  | def PPCvmaddfp  : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>; | 
|  | def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>; | 
|  |  | 
|  | def PPCvperm    : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>; | 
|  |  | 
|  | // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift | 
|  | // amounts.  These nodes are generated by the multi-precision shift code. | 
|  | def PPCsrl        : SDNode<"PPCISD::SRL"       , SDTIntShiftOp>; | 
|  | def PPCsra        : SDNode<"PPCISD::SRA"       , SDTIntShiftOp>; | 
|  | def PPCshl        : SDNode<"PPCISD::SHL"       , SDTIntShiftOp>; | 
|  |  | 
|  | def PPCextsw_32   : SDNode<"PPCISD::EXTSW_32"  , SDTIntUnaryOp>; | 
|  | def PPCstd_32     : SDNode<"PPCISD::STD_32"    , SDTStore, | 
|  | [SDNPHasChain, SDNPMayStore]>; | 
|  |  | 
|  | // These are target-independent nodes, but have target-specific formats. | 
|  | def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart, | 
|  | [SDNPHasChain, SDNPOutFlag]>; | 
|  | def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeqEnd, | 
|  | [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; | 
|  |  | 
|  | def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>; | 
|  | def PPCcall_Darwin : SDNode<"PPCISD::CALL_Darwin", SDT_PPCCall, | 
|  | [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; | 
|  | def PPCcall_SVR4  : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall, | 
|  | [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; | 
|  | def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall, | 
|  | [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; | 
|  | def PPCbctrl_Darwin  : SDNode<"PPCISD::BCTRL_Darwin", SDTNone, | 
|  | [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; | 
|  |  | 
|  | def PPCbctrl_SVR4  : SDNode<"PPCISD::BCTRL_SVR4", SDTNone, | 
|  | [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; | 
|  |  | 
|  | def retflag       : SDNode<"PPCISD::RET_FLAG", SDTNone, | 
|  | [SDNPHasChain, SDNPOptInFlag]>; | 
|  |  | 
|  | def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret, | 
|  | [SDNPHasChain,  SDNPOptInFlag]>; | 
|  |  | 
|  | def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>; | 
|  | def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>; | 
|  |  | 
|  | def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr, | 
|  | [SDNPHasChain, SDNPOptInFlag]>; | 
|  |  | 
|  | def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx, | 
|  | [SDNPHasChain, SDNPMayLoad]>; | 
|  | def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx, | 
|  | [SDNPHasChain, SDNPMayStore]>; | 
|  |  | 
|  | // Instructions to support atomic operations | 
|  | def PPClarx      : SDNode<"PPCISD::LARX", SDT_PPClarx, | 
|  | [SDNPHasChain, SDNPMayLoad]>; | 
|  | def PPCstcx      : SDNode<"PPCISD::STCX", SDT_PPCstcx, | 
|  | [SDNPHasChain, SDNPMayStore]>; | 
|  |  | 
|  | // Instructions to support dynamic alloca. | 
|  | def SDTDynOp  : SDTypeProfile<1, 2, []>; | 
|  | def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC specific transformation functions and pattern fragments. | 
|  | // | 
|  |  | 
|  | def SHL32 : SDNodeXForm<imm, [{ | 
|  | // Transformation function: 31 - imm | 
|  | return getI32Imm(31 - N->getZExtValue()); | 
|  | }]>; | 
|  |  | 
|  | def SRL32 : SDNodeXForm<imm, [{ | 
|  | // Transformation function: 32 - imm | 
|  | return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0); | 
|  | }]>; | 
|  |  | 
|  | def LO16 : SDNodeXForm<imm, [{ | 
|  | // Transformation function: get the low 16 bits. | 
|  | return getI32Imm((unsigned short)N->getZExtValue()); | 
|  | }]>; | 
|  |  | 
|  | def HI16 : SDNodeXForm<imm, [{ | 
|  | // Transformation function: shift the immediate value down into the low bits. | 
|  | return getI32Imm((unsigned)N->getZExtValue() >> 16); | 
|  | }]>; | 
|  |  | 
|  | def HA16 : SDNodeXForm<imm, [{ | 
|  | // Transformation function: shift the immediate value down into the low bits. | 
|  | signed int Val = N->getZExtValue(); | 
|  | return getI32Imm((Val - (signed short)Val) >> 16); | 
|  | }]>; | 
|  | def MB : SDNodeXForm<imm, [{ | 
|  | // Transformation function: get the start bit of a mask | 
|  | unsigned mb = 0, me; | 
|  | (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me); | 
|  | return getI32Imm(mb); | 
|  | }]>; | 
|  |  | 
|  | def ME : SDNodeXForm<imm, [{ | 
|  | // Transformation function: get the end bit of a mask | 
|  | unsigned mb, me = 0; | 
|  | (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me); | 
|  | return getI32Imm(me); | 
|  | }]>; | 
|  | def maskimm32 : PatLeaf<(imm), [{ | 
|  | // maskImm predicate - True if immediate is a run of ones. | 
|  | unsigned mb, me; | 
|  | if (N->getValueType(0) == EVT::i32) | 
|  | return isRunOfOnes((unsigned)N->getZExtValue(), mb, me); | 
|  | else | 
|  | return false; | 
|  | }]>; | 
|  |  | 
|  | def immSExt16  : PatLeaf<(imm), [{ | 
|  | // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended | 
|  | // field.  Used by instructions like 'addi'. | 
|  | if (N->getValueType(0) == EVT::i32) | 
|  | return (int32_t)N->getZExtValue() == (short)N->getZExtValue(); | 
|  | else | 
|  | return (int64_t)N->getZExtValue() == (short)N->getZExtValue(); | 
|  | }]>; | 
|  | def immZExt16  : PatLeaf<(imm), [{ | 
|  | // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended | 
|  | // field.  Used by instructions like 'ori'. | 
|  | return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue(); | 
|  | }], LO16>; | 
|  |  | 
|  | // imm16Shifted* - These match immediates where the low 16-bits are zero.  There | 
|  | // are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are | 
|  | // identical in 32-bit mode, but in 64-bit mode, they return true if the | 
|  | // immediate fits into a sign/zero extended 32-bit immediate (with the low bits | 
|  | // clear). | 
|  | def imm16ShiftedZExt : PatLeaf<(imm), [{ | 
|  | // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the | 
|  | // immediate are set.  Used by instructions like 'xoris'. | 
|  | return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0; | 
|  | }], HI16>; | 
|  |  | 
|  | def imm16ShiftedSExt : PatLeaf<(imm), [{ | 
|  | // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the | 
|  | // immediate are set.  Used by instructions like 'addis'.  Identical to | 
|  | // imm16ShiftedZExt in 32-bit mode. | 
|  | if (N->getZExtValue() & 0xFFFF) return false; | 
|  | if (N->getValueType(0) == EVT::i32) | 
|  | return true; | 
|  | // For 64-bit, make sure it is sext right. | 
|  | return N->getZExtValue() == (uint64_t)(int)N->getZExtValue(); | 
|  | }], HI16>; | 
|  |  | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC Flag Definitions. | 
|  |  | 
|  | class isPPC64 { bit PPC64 = 1; } | 
|  | class isDOT   { | 
|  | list<Register> Defs = [CR0]; | 
|  | bit RC  = 1; | 
|  | } | 
|  |  | 
|  | class RegConstraint<string C> { | 
|  | string Constraints = C; | 
|  | } | 
|  | class NoEncode<string E> { | 
|  | string DisableEncoding = E; | 
|  | } | 
|  |  | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC Operand Definitions. | 
|  |  | 
|  | def s5imm   : Operand<i32> { | 
|  | let PrintMethod = "printS5ImmOperand"; | 
|  | } | 
|  | def u5imm   : Operand<i32> { | 
|  | let PrintMethod = "printU5ImmOperand"; | 
|  | } | 
|  | def u6imm   : Operand<i32> { | 
|  | let PrintMethod = "printU6ImmOperand"; | 
|  | } | 
|  | def s16imm  : Operand<i32> { | 
|  | let PrintMethod = "printS16ImmOperand"; | 
|  | } | 
|  | def u16imm  : Operand<i32> { | 
|  | let PrintMethod = "printU16ImmOperand"; | 
|  | } | 
|  | def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing. | 
|  | let PrintMethod = "printS16X4ImmOperand"; | 
|  | } | 
|  | def target : Operand<OtherVT> { | 
|  | let PrintMethod = "printBranchOperand"; | 
|  | } | 
|  | def calltarget : Operand<iPTR> { | 
|  | let PrintMethod = "printCallOperand"; | 
|  | } | 
|  | def aaddr : Operand<iPTR> { | 
|  | let PrintMethod = "printAbsAddrOperand"; | 
|  | } | 
|  | def piclabel: Operand<iPTR> { | 
|  | let PrintMethod = "printPICLabel"; | 
|  | } | 
|  | def symbolHi: Operand<i32> { | 
|  | let PrintMethod = "printSymbolHi"; | 
|  | } | 
|  | def symbolLo: Operand<i32> { | 
|  | let PrintMethod = "printSymbolLo"; | 
|  | } | 
|  | def crbitm: Operand<i8> { | 
|  | let PrintMethod = "printcrbitm"; | 
|  | } | 
|  | // Address operands | 
|  | def memri : Operand<iPTR> { | 
|  | let PrintMethod = "printMemRegImm"; | 
|  | let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg); | 
|  | } | 
|  | def memrr : Operand<iPTR> { | 
|  | let PrintMethod = "printMemRegReg"; | 
|  | let MIOperandInfo = (ops ptr_rc, ptr_rc); | 
|  | } | 
|  | def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits. | 
|  | let PrintMethod = "printMemRegImmShifted"; | 
|  | let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg); | 
|  | } | 
|  |  | 
|  | // PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg | 
|  | // that doesn't matter. | 
|  | def pred : PredicateOperand<OtherVT, (ops imm, CRRC), | 
|  | (ops (i32 20), (i32 zero_reg))> { | 
|  | let PrintMethod = "printPredicateOperand"; | 
|  | } | 
|  |  | 
|  | // Define PowerPC specific addressing mode. | 
|  | def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>; | 
|  | def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>; | 
|  | def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>; | 
|  | def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std" | 
|  |  | 
|  | /// This is just the offset part of iaddr, used for preinc. | 
|  | def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC Instruction Predicate Definitions. | 
|  | def FPContractions : Predicate<"!NoExcessFPPrecision">; | 
|  | def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">; | 
|  | def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">; | 
|  |  | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC Instruction Definitions. | 
|  |  | 
|  | // Pseudo-instructions: | 
|  |  | 
|  | let hasCtrlDep = 1 in { | 
|  | let Defs = [R1], Uses = [R1] in { | 
|  | def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt), | 
|  | "${:comment} ADJCALLSTACKDOWN", | 
|  | [(callseq_start timm:$amt)]>; | 
|  | def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2), | 
|  | "${:comment} ADJCALLSTACKUP", | 
|  | [(callseq_end timm:$amt1, timm:$amt2)]>; | 
|  | } | 
|  |  | 
|  | def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS), | 
|  | "UPDATE_VRSAVE $rD, $rS", []>; | 
|  | } | 
|  |  | 
|  | let Defs = [R1], Uses = [R1] in | 
|  | def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi), | 
|  | "${:comment} DYNALLOC $result, $negsize, $fpsi", | 
|  | [(set GPRC:$result, | 
|  | (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>; | 
|  |  | 
|  | // SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded by the | 
|  | // scheduler into a branch sequence. | 
|  | let usesCustomDAGSchedInserter = 1,    // Expanded by the scheduler. | 
|  | PPC970_Single = 1 in { | 
|  | def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F, | 
|  | i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!", | 
|  | []>; | 
|  | def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F, | 
|  | i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!", | 
|  | []>; | 
|  | def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F, | 
|  | i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!", | 
|  | []>; | 
|  | def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F, | 
|  | i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!", | 
|  | []>; | 
|  | def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F, | 
|  | i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!", | 
|  | []>; | 
|  | } | 
|  |  | 
|  | // SPILL_CR - Indicate that we're dumping the CR register, so we'll need to | 
|  | // scavenge a register for it. | 
|  | def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F), | 
|  | "${:comment} SPILL_CR $cond $F", []>; | 
|  |  | 
|  | let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in { | 
|  | let isReturn = 1, Uses = [LR, RM] in | 
|  | def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p), | 
|  | "b${p:cc}lr ${p:reg}", BrB, | 
|  | [(retflag)]>; | 
|  | let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in | 
|  | def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>; | 
|  | } | 
|  |  | 
|  | let Defs = [LR] in | 
|  | def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>, | 
|  | PPC970_Unit_BRU; | 
|  |  | 
|  | let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in { | 
|  | let isBarrier = 1 in { | 
|  | def B   : IForm<18, 0, 0, (outs), (ins target:$dst), | 
|  | "b $dst", BrB, | 
|  | [(br bb:$dst)]>; | 
|  | } | 
|  |  | 
|  | // BCC represents an arbitrary conditional branch on a predicate. | 
|  | // FIXME: should be able to write a pattern for PPCcondbranch, but can't use | 
|  | // a two-value operand where a dag node expects two operands. :( | 
|  | def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst), | 
|  | "b${cond:cc} ${cond:reg}, $dst" | 
|  | /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>; | 
|  | } | 
|  |  | 
|  | // Darwin ABI Calls. | 
|  | let isCall = 1, PPC970_Unit = 7, | 
|  | // All calls clobber the non-callee saved registers... | 
|  | Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12, | 
|  | F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13, | 
|  | V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19, | 
|  | LR,CTR, | 
|  | CR0,CR1,CR5,CR6,CR7, | 
|  | CR0LT,CR0GT,CR0EQ,CR0UN,CR1LT,CR1GT,CR1EQ,CR1UN,CR5LT,CR5GT,CR5EQ, | 
|  | CR5UN,CR6LT,CR6GT,CR6EQ,CR6UN,CR7LT,CR7GT,CR7EQ,CR7UN] in { | 
|  | // Convenient aliases for call instructions | 
|  | let Uses = [RM] in { | 
|  | def BL_Darwin  : IForm<18, 0, 1, | 
|  | (outs), (ins calltarget:$func, variable_ops), | 
|  | "bl $func", BrB, []>;  // See Pat patterns below. | 
|  | def BLA_Darwin : IForm<18, 1, 1, | 
|  | (outs), (ins aaddr:$func, variable_ops), | 
|  | "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>; | 
|  | } | 
|  | let Uses = [CTR, RM] in { | 
|  | def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, | 
|  | (outs), (ins variable_ops), | 
|  | "bctrl", BrB, | 
|  | [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>; | 
|  | } | 
|  | } | 
|  |  | 
|  | // SVR4 ABI Calls. | 
|  | let isCall = 1, PPC970_Unit = 7, | 
|  | // All calls clobber the non-callee saved registers... | 
|  | Defs = [R0,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12, | 
|  | F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13, | 
|  | V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19, | 
|  | LR,CTR, | 
|  | CR0,CR1,CR5,CR6,CR7, | 
|  | CR0LT,CR0GT,CR0EQ,CR0UN,CR1LT,CR1GT,CR1EQ,CR1UN,CR5LT,CR5GT,CR5EQ, | 
|  | CR5UN,CR6LT,CR6GT,CR6EQ,CR6UN,CR7LT,CR7GT,CR7EQ,CR7UN] in { | 
|  | // Convenient aliases for call instructions | 
|  | let Uses = [RM] in { | 
|  | def BL_SVR4  : IForm<18, 0, 1, | 
|  | (outs), (ins calltarget:$func, variable_ops), | 
|  | "bl $func", BrB, []>;  // See Pat patterns below. | 
|  | def BLA_SVR4 : IForm<18, 1, 1, | 
|  | (outs), (ins aaddr:$func, variable_ops), | 
|  | "bla $func", BrB, | 
|  | [(PPCcall_SVR4 (i32 imm:$func))]>; | 
|  | } | 
|  | let Uses = [CTR, RM] in { | 
|  | def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1, | 
|  | (outs), (ins variable_ops), | 
|  | "bctrl", BrB, | 
|  | [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>; | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in | 
|  | def TCRETURNdi :Pseudo< (outs), | 
|  | (ins calltarget:$dst, i32imm:$offset, variable_ops), | 
|  | "#TC_RETURNd $dst $offset", | 
|  | []>; | 
|  |  | 
|  |  | 
|  | let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in | 
|  | def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops), | 
|  | "#TC_RETURNa $func $offset", | 
|  | [(PPCtc_return (i32 imm:$func), imm:$offset)]>; | 
|  |  | 
|  | let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in | 
|  | def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset, variable_ops), | 
|  | "#TC_RETURNr $dst $offset", | 
|  | []>; | 
|  |  | 
|  |  | 
|  | let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1, | 
|  | isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in | 
|  | def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>, | 
|  | Requires<[In32BitMode]>; | 
|  |  | 
|  |  | 
|  |  | 
|  | let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7, | 
|  | isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in | 
|  | def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst), | 
|  | "b $dst", BrB, | 
|  | []>; | 
|  |  | 
|  |  | 
|  | let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7, | 
|  | isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in | 
|  | def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst), | 
|  | "ba $dst", BrB, | 
|  | []>; | 
|  |  | 
|  |  | 
|  | // DCB* instructions. | 
|  | def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst), | 
|  | "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst), | 
|  | "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst), | 
|  | "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst), | 
|  | "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst), | 
|  | "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst), | 
|  | "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst), | 
|  | "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  | def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst), | 
|  | "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>, | 
|  | PPC970_DGroup_Single; | 
|  |  | 
|  | // Atomic operations | 
|  | let usesCustomDAGSchedInserter = 1 in { | 
|  | let Uses = [CR0] in { | 
|  | def ATOMIC_LOAD_ADD_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_SUB_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_AND_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_OR_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_XOR_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_NAND_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_ADD_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_SUB_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_AND_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_OR_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_XOR_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_NAND_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_ADD_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_SUB_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_AND_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_OR_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_XOR_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>; | 
|  | def ATOMIC_LOAD_NAND_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), | 
|  | "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>; | 
|  |  | 
|  | def ATOMIC_CMP_SWAP_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), | 
|  | "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, | 
|  | (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>; | 
|  | def ATOMIC_CMP_SWAP_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), | 
|  | "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, | 
|  | (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>; | 
|  | def ATOMIC_CMP_SWAP_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), | 
|  | "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, | 
|  | (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>; | 
|  |  | 
|  | def ATOMIC_SWAP_I8 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), | 
|  | "${:comment} ATOMIC_SWAP_I8 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>; | 
|  | def ATOMIC_SWAP_I16 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), | 
|  | "${:comment} ATOMIC_SWAP_I16 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>; | 
|  | def ATOMIC_SWAP_I32 : Pseudo< | 
|  | (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), | 
|  | "${:comment} ATOMIC_SWAP_I32 PSEUDO!", | 
|  | [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Instructions to support atomic operations | 
|  | def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lwarx $rD, $src", LdStLWARX, | 
|  | [(set GPRC:$rD, (PPClarx xoaddr:$src))]>; | 
|  |  | 
|  | let Defs = [CR0] in | 
|  | def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst), | 
|  | "stwcx. $rS, $dst", LdStSTWCX, | 
|  | [(PPCstcx GPRC:$rS, xoaddr:$dst)]>, | 
|  | isDOT; | 
|  |  | 
|  | let isBarrier = 1, hasCtrlDep = 1 in | 
|  | def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStGeneral, [(trap)]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PPC32 Load Instructions. | 
|  | // | 
|  |  | 
|  | // Unindexed (r+i) Loads. | 
|  | let canFoldAsLoad = 1, PPC970_Unit = 2 in { | 
|  | def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src), | 
|  | "lbz $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>; | 
|  | def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src), | 
|  | "lha $rD, $src", LdStLHA, | 
|  | [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src), | 
|  | "lhz $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>; | 
|  | def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src), | 
|  | "lwz $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (load iaddr:$src))]>; | 
|  |  | 
|  | def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src), | 
|  | "lfs $rD, $src", LdStLFDU, | 
|  | [(set F4RC:$rD, (load iaddr:$src))]>; | 
|  | def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src), | 
|  | "lfd $rD, $src", LdStLFD, | 
|  | [(set F8RC:$rD, (load iaddr:$src))]>; | 
|  |  | 
|  |  | 
|  | // Unindexed (r+i) Loads with Update (preinc). | 
|  | let mayLoad = 1 in { | 
|  | def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr), | 
|  | "lbzu $rD, $addr", LdStGeneral, | 
|  | []>, RegConstraint<"$addr.reg = $ea_result">, | 
|  | NoEncode<"$ea_result">; | 
|  |  | 
|  | def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr), | 
|  | "lhau $rD, $addr", LdStGeneral, | 
|  | []>, RegConstraint<"$addr.reg = $ea_result">, | 
|  | NoEncode<"$ea_result">; | 
|  |  | 
|  | def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr), | 
|  | "lhzu $rD, $addr", LdStGeneral, | 
|  | []>, RegConstraint<"$addr.reg = $ea_result">, | 
|  | NoEncode<"$ea_result">; | 
|  |  | 
|  | def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr), | 
|  | "lwzu $rD, $addr", LdStGeneral, | 
|  | []>, RegConstraint<"$addr.reg = $ea_result">, | 
|  | NoEncode<"$ea_result">; | 
|  |  | 
|  | def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr), | 
|  | "lfs $rD, $addr", LdStLFDU, | 
|  | []>, RegConstraint<"$addr.reg = $ea_result">, | 
|  | NoEncode<"$ea_result">; | 
|  |  | 
|  | def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr), | 
|  | "lfd $rD, $addr", LdStLFD, | 
|  | []>, RegConstraint<"$addr.reg = $ea_result">, | 
|  | NoEncode<"$ea_result">; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Indexed (r+r) Loads. | 
|  | // | 
|  | let canFoldAsLoad = 1, PPC970_Unit = 2 in { | 
|  | def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lbzx $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>; | 
|  | def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lhax $rD, $src", LdStLHA, | 
|  | [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lhzx $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>; | 
|  | def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lwzx $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (load xaddr:$src))]>; | 
|  |  | 
|  |  | 
|  | def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lhbrx $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>; | 
|  | def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src), | 
|  | "lwbrx $rD, $src", LdStGeneral, | 
|  | [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>; | 
|  |  | 
|  | def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src), | 
|  | "lfsx $frD, $src", LdStLFDU, | 
|  | [(set F4RC:$frD, (load xaddr:$src))]>; | 
|  | def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src), | 
|  | "lfdx $frD, $src", LdStLFDU, | 
|  | [(set F8RC:$frD, (load xaddr:$src))]>; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PPC32 Store Instructions. | 
|  | // | 
|  |  | 
|  | // Unindexed (r+i) Stores. | 
|  | let PPC970_Unit = 2 in { | 
|  | def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src), | 
|  | "stb $rS, $src", LdStGeneral, | 
|  | [(truncstorei8 GPRC:$rS, iaddr:$src)]>; | 
|  | def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src), | 
|  | "sth $rS, $src", LdStGeneral, | 
|  | [(truncstorei16 GPRC:$rS, iaddr:$src)]>; | 
|  | def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src), | 
|  | "stw $rS, $src", LdStGeneral, | 
|  | [(store GPRC:$rS, iaddr:$src)]>; | 
|  | def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst), | 
|  | "stfs $rS, $dst", LdStUX, | 
|  | [(store F4RC:$rS, iaddr:$dst)]>; | 
|  | def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst), | 
|  | "stfd $rS, $dst", LdStUX, | 
|  | [(store F8RC:$rS, iaddr:$dst)]>; | 
|  | } | 
|  |  | 
|  | // Unindexed (r+i) Stores with Update (preinc). | 
|  | let PPC970_Unit = 2 in { | 
|  | def STBU  : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS, | 
|  | symbolLo:$ptroff, ptr_rc:$ptrreg), | 
|  | "stbu $rS, $ptroff($ptrreg)", LdStGeneral, | 
|  | [(set ptr_rc:$ea_res, | 
|  | (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, | 
|  | iaddroff:$ptroff))]>, | 
|  | RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">; | 
|  | def STHU  : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS, | 
|  | symbolLo:$ptroff, ptr_rc:$ptrreg), | 
|  | "sthu $rS, $ptroff($ptrreg)", LdStGeneral, | 
|  | [(set ptr_rc:$ea_res, | 
|  | (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, | 
|  | iaddroff:$ptroff))]>, | 
|  | RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">; | 
|  | def STWU  : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS, | 
|  | symbolLo:$ptroff, ptr_rc:$ptrreg), | 
|  | "stwu $rS, $ptroff($ptrreg)", LdStGeneral, | 
|  | [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, | 
|  | iaddroff:$ptroff))]>, | 
|  | RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">; | 
|  | def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS, | 
|  | symbolLo:$ptroff, ptr_rc:$ptrreg), | 
|  | "stfsu $rS, $ptroff($ptrreg)", LdStGeneral, | 
|  | [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, | 
|  | iaddroff:$ptroff))]>, | 
|  | RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">; | 
|  | def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS, | 
|  | symbolLo:$ptroff, ptr_rc:$ptrreg), | 
|  | "stfdu $rS, $ptroff($ptrreg)", LdStGeneral, | 
|  | [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, | 
|  | iaddroff:$ptroff))]>, | 
|  | RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">; | 
|  | } | 
|  |  | 
|  |  | 
|  | // Indexed (r+r) Stores. | 
|  | // | 
|  | let PPC970_Unit = 2 in { | 
|  | def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst), | 
|  | "stbx $rS, $dst", LdStGeneral, | 
|  | [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst), | 
|  | "sthx $rS, $dst", LdStGeneral, | 
|  | [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst), | 
|  | "stwx $rS, $dst", LdStGeneral, | 
|  | [(store GPRC:$rS, xaddr:$dst)]>, | 
|  | PPC970_DGroup_Cracked; | 
|  |  | 
|  | let mayStore = 1 in { | 
|  | def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB), | 
|  | "stwux $rS, $rA, $rB", LdStGeneral, | 
|  | []>; | 
|  | } | 
|  | def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst), | 
|  | "sthbrx $rS, $dst", LdStGeneral, | 
|  | [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst), | 
|  | "stwbrx $rS, $dst", LdStGeneral, | 
|  | [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>, | 
|  | PPC970_DGroup_Cracked; | 
|  |  | 
|  | def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst), | 
|  | "stfiwx $frS, $dst", LdStUX, | 
|  | [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>; | 
|  |  | 
|  | def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst), | 
|  | "stfsx $frS, $dst", LdStUX, | 
|  | [(store F4RC:$frS, xaddr:$dst)]>; | 
|  | def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst), | 
|  | "stfdx $frS, $dst", LdStUX, | 
|  | [(store F8RC:$frS, xaddr:$dst)]>; | 
|  | } | 
|  |  | 
|  | let isBarrier = 1 in | 
|  | def SYNC : XForm_24_sync<31, 598, (outs), (ins), | 
|  | "sync", LdStSync, | 
|  | [(int_ppc_sync)]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PPC32 Arithmetic Instructions. | 
|  | // | 
|  |  | 
|  | let PPC970_Unit = 1 in {  // FXU Operations. | 
|  | def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm), | 
|  | "addi $rD, $rA, $imm", IntGeneral, | 
|  | [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>; | 
|  | def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm), | 
|  | "addic $rD, $rA, $imm", IntGeneral, | 
|  | [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm), | 
|  | "addic. $rD, $rA, $imm", IntGeneral, | 
|  | []>; | 
|  | def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm), | 
|  | "addis $rD, $rA, $imm", IntGeneral, | 
|  | [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>; | 
|  | def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym), | 
|  | "la $rD, $sym($rA)", IntGeneral, | 
|  | [(set GPRC:$rD, (add GPRC:$rA, | 
|  | (PPClo tglobaladdr:$sym, 0)))]>; | 
|  | def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm), | 
|  | "mulli $rD, $rA, $imm", IntMulLI, | 
|  | [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>; | 
|  | def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm), | 
|  | "subfic $rD, $rA, $imm", IntGeneral, | 
|  | [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>; | 
|  |  | 
|  | let isReMaterializable = 1 in { | 
|  | def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm), | 
|  | "li $rD, $imm", IntGeneral, | 
|  | [(set GPRC:$rD, immSExt16:$imm)]>; | 
|  | def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm), | 
|  | "lis $rD, $imm", IntGeneral, | 
|  | [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>; | 
|  | } | 
|  | } | 
|  |  | 
|  | let PPC970_Unit = 1 in {  // FXU Operations. | 
|  | def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "andi. $dst, $src1, $src2", IntGeneral, | 
|  | [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>, | 
|  | isDOT; | 
|  | def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "andis. $dst, $src1, $src2", IntGeneral, | 
|  | [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>, | 
|  | isDOT; | 
|  | def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "ori $dst, $src1, $src2", IntGeneral, | 
|  | [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>; | 
|  | def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "oris $dst, $src1, $src2", IntGeneral, | 
|  | [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>; | 
|  | def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "xori $dst, $src1, $src2", IntGeneral, | 
|  | [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>; | 
|  | def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "xoris $dst, $src1, $src2", IntGeneral, | 
|  | [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>; | 
|  | def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral, | 
|  | []>; | 
|  | def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm), | 
|  | "cmpwi $crD, $rA, $imm", IntCompare>; | 
|  | def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2), | 
|  | "cmplwi $dst, $src1, $src2", IntCompare>; | 
|  | } | 
|  |  | 
|  |  | 
|  | let PPC970_Unit = 1 in {  // FXU Operations. | 
|  | def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "nand $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>; | 
|  | def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "and $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>; | 
|  | def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "andc $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>; | 
|  | def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "or $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>; | 
|  | def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "nor $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>; | 
|  | def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "orc $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>; | 
|  | def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "eqv $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>; | 
|  | def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "xor $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>; | 
|  | def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "slw $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>; | 
|  | def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "srw $rA, $rS, $rB", IntGeneral, | 
|  | [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>; | 
|  | def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB), | 
|  | "sraw $rA, $rS, $rB", IntShift, | 
|  | [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>; | 
|  | } | 
|  |  | 
|  | let PPC970_Unit = 1 in {  // FXU Operations. | 
|  | def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), | 
|  | "srawi $rA, $rS, $SH", IntShift, | 
|  | [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>; | 
|  | def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS), | 
|  | "cntlzw $rA, $rS", IntGeneral, | 
|  | [(set GPRC:$rA, (ctlz GPRC:$rS))]>; | 
|  | def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS), | 
|  | "extsb $rA, $rS", IntGeneral, | 
|  | [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>; | 
|  | def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS), | 
|  | "extsh $rA, $rS", IntGeneral, | 
|  | [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>; | 
|  |  | 
|  | def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB), | 
|  | "cmpw $crD, $rA, $rB", IntCompare>; | 
|  | def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB), | 
|  | "cmplw $crD, $rA, $rB", IntCompare>; | 
|  | } | 
|  | let PPC970_Unit = 3 in {  // FPU Operations. | 
|  | //def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB), | 
|  | //                      "fcmpo $crD, $fA, $fB", FPCompare>; | 
|  | def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB), | 
|  | "fcmpu $crD, $fA, $fB", FPCompare>; | 
|  | def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB), | 
|  | "fcmpu $crD, $fA, $fB", FPCompare>; | 
|  |  | 
|  | let Uses = [RM] in { | 
|  | def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB), | 
|  | "fctiwz $frD, $frB", FPGeneral, | 
|  | [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>; | 
|  | def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB), | 
|  | "frsp $frD, $frB", FPGeneral, | 
|  | [(set F4RC:$frD, (fround F8RC:$frB))]>; | 
|  | def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB), | 
|  | "fsqrt $frD, $frB", FPSqrt, | 
|  | [(set F8RC:$frD, (fsqrt F8RC:$frB))]>; | 
|  | def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB), | 
|  | "fsqrts $frD, $frB", FPSqrt, | 
|  | [(set F4RC:$frD, (fsqrt F4RC:$frB))]>; | 
|  | } | 
|  | } | 
|  |  | 
|  | /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending. | 
|  | /// | 
|  | /// Note that these are defined as pseudo-ops on the PPC970 because they are | 
|  | /// often coalesced away and we don't want the dispatch group builder to think | 
|  | /// that they will fill slots (which could cause the load of a LSU reject to | 
|  | /// sneak into a d-group with a store). | 
|  | def FMRS   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB), | 
|  | "fmr $frD, $frB", FPGeneral, | 
|  | []>,  // (set F4RC:$frD, F4RC:$frB) | 
|  | PPC970_Unit_Pseudo; | 
|  | def FMRD   : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB), | 
|  | "fmr $frD, $frB", FPGeneral, | 
|  | []>,  // (set F8RC:$frD, F8RC:$frB) | 
|  | PPC970_Unit_Pseudo; | 
|  | def FMRSD  : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB), | 
|  | "fmr $frD, $frB", FPGeneral, | 
|  | [(set F8RC:$frD, (fextend F4RC:$frB))]>, | 
|  | PPC970_Unit_Pseudo; | 
|  |  | 
|  | let PPC970_Unit = 3 in {  // FPU Operations. | 
|  | // These are artificially split into two different forms, for 4/8 byte FP. | 
|  | def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB), | 
|  | "fabs $frD, $frB", FPGeneral, | 
|  | [(set F4RC:$frD, (fabs F4RC:$frB))]>; | 
|  | def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB), | 
|  | "fabs $frD, $frB", FPGeneral, | 
|  | [(set F8RC:$frD, (fabs F8RC:$frB))]>; | 
|  | def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB), | 
|  | "fnabs $frD, $frB", FPGeneral, | 
|  | [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>; | 
|  | def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB), | 
|  | "fnabs $frD, $frB", FPGeneral, | 
|  | [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>; | 
|  | def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB), | 
|  | "fneg $frD, $frB", FPGeneral, | 
|  | [(set F4RC:$frD, (fneg F4RC:$frB))]>; | 
|  | def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB), | 
|  | "fneg $frD, $frB", FPGeneral, | 
|  | [(set F8RC:$frD, (fneg F8RC:$frB))]>; | 
|  | } | 
|  |  | 
|  |  | 
|  | // XL-Form instructions.  condition register logical ops. | 
|  | // | 
|  | def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA), | 
|  | "mcrf $BF, $BFA", BrMCR>, | 
|  | PPC970_DGroup_First, PPC970_Unit_CRU; | 
|  |  | 
|  | def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD), | 
|  | (ins CRBITRC:$CRA, CRBITRC:$CRB), | 
|  | "creqv $CRD, $CRA, $CRB", BrCR, | 
|  | []>; | 
|  |  | 
|  | def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD), | 
|  | (ins CRBITRC:$CRA, CRBITRC:$CRB), | 
|  | "cror $CRD, $CRA, $CRB", BrCR, | 
|  | []>; | 
|  |  | 
|  | def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins), | 
|  | "creqv $dst, $dst, $dst", BrCR, | 
|  | []>; | 
|  |  | 
|  | // XFX-Form instructions.  Instructions that deal with SPRs. | 
|  | // | 
|  | let Uses = [CTR] in { | 
|  | def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins), | 
|  | "mfctr $rT", SprMFSPR>, | 
|  | PPC970_DGroup_First, PPC970_Unit_FXU; | 
|  | } | 
|  | let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in { | 
|  | def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS), | 
|  | "mtctr $rS", SprMTSPR>, | 
|  | PPC970_DGroup_First, PPC970_Unit_FXU; | 
|  | } | 
|  |  | 
|  | let Defs = [LR] in { | 
|  | def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS), | 
|  | "mtlr $rS", SprMTSPR>, | 
|  | PPC970_DGroup_First, PPC970_Unit_FXU; | 
|  | } | 
|  | let Uses = [LR] in { | 
|  | def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins), | 
|  | "mflr $rT", SprMFSPR>, | 
|  | PPC970_DGroup_First, PPC970_Unit_FXU; | 
|  | } | 
|  |  | 
|  | // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like | 
|  | // a GPR on the PPC970.  As such, copies in and out have the same performance | 
|  | // characteristics as an OR instruction. | 
|  | def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS), | 
|  | "mtspr 256, $rS", IntGeneral>, | 
|  | PPC970_DGroup_Single, PPC970_Unit_FXU; | 
|  | def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins), | 
|  | "mfspr $rT, 256", IntGeneral>, | 
|  | PPC970_DGroup_First, PPC970_Unit_FXU; | 
|  |  | 
|  | def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS), | 
|  | "mtcrf $FXM, $rS", BrMCRX>, | 
|  | PPC970_MicroCode, PPC970_Unit_CRU; | 
|  | // FIXME:  this Uses all the CR registers.  Marking it as such is | 
|  | // necessary for DeadMachineInstructionElim to do the right thing. | 
|  | // However, marking it also exposes PR 2964, and causes crashes in | 
|  | // the Local RA because it doesn't like this sequence: | 
|  | //  vreg = MCRF  CR0 | 
|  | //  MFCR  <kill of whatever preg got assigned to vreg> | 
|  | // For now DeadMachineInstructionElim is turned off, so don't do the marking. | 
|  | def MFCR  : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>, | 
|  | PPC970_MicroCode, PPC970_Unit_CRU; | 
|  | def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM), | 
|  | "mfcr $rT, $FXM", SprMFCR>, | 
|  | PPC970_DGroup_First, PPC970_Unit_CRU; | 
|  |  | 
|  | // Instructions to manipulate FPSCR.  Only long double handling uses these. | 
|  | // FPSCR is not modelled; we use the SDNode Flag to keep things in order. | 
|  |  | 
|  | let Uses = [RM], Defs = [RM] in { | 
|  | def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM), | 
|  | "mtfsb0 $FM", IntMTFSB0, | 
|  | [(PPCmtfsb0 (i32 imm:$FM))]>, | 
|  | PPC970_DGroup_Single, PPC970_Unit_FPU; | 
|  | def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM), | 
|  | "mtfsb1 $FM", IntMTFSB0, | 
|  | [(PPCmtfsb1 (i32 imm:$FM))]>, | 
|  | PPC970_DGroup_Single, PPC970_Unit_FPU; | 
|  | // MTFSF does not actually produce an FP result.  We pretend it copies | 
|  | // input reg B to the output.  If we didn't do this it would look like the | 
|  | // instruction had no outputs (because we aren't modelling the FPSCR) and | 
|  | // it would be deleted. | 
|  | def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA), | 
|  | (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB), | 
|  | "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0, | 
|  | [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), | 
|  | F8RC:$rT, F8RC:$FRB))]>, | 
|  | PPC970_DGroup_Single, PPC970_Unit_FPU; | 
|  | } | 
|  | let Uses = [RM] in { | 
|  | def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), | 
|  | "mffs $rT", IntMFFS, | 
|  | [(set F8RC:$rT, (PPCmffs))]>, | 
|  | PPC970_DGroup_Single, PPC970_Unit_FPU; | 
|  | def FADDrtz: AForm_2<63, 21, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB), | 
|  | "fadd $FRT, $FRA, $FRB", FPGeneral, | 
|  | [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>, | 
|  | PPC970_DGroup_Single, PPC970_Unit_FPU; | 
|  | } | 
|  |  | 
|  |  | 
|  | let PPC970_Unit = 1 in {  // FXU Operations. | 
|  |  | 
|  | // XO-Form instructions.  Arithmetic instructions that can set overflow bit | 
|  | // | 
|  | def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "add $rT, $rA, $rB", IntGeneral, | 
|  | [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>; | 
|  | def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "addc $rT, $rA, $rB", IntGeneral, | 
|  | [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "adde $rT, $rA, $rB", IntGeneral, | 
|  | [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>; | 
|  | def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "divw $rT, $rA, $rB", IntDivW, | 
|  | [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>, | 
|  | PPC970_DGroup_First, PPC970_DGroup_Cracked; | 
|  | def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "divwu $rT, $rA, $rB", IntDivW, | 
|  | [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>, | 
|  | PPC970_DGroup_First, PPC970_DGroup_Cracked; | 
|  | def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "mulhw $rT, $rA, $rB", IntMulHW, | 
|  | [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>; | 
|  | def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "mulhwu $rT, $rA, $rB", IntMulHWU, | 
|  | [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>; | 
|  | def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "mullw $rT, $rA, $rB", IntMulHW, | 
|  | [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>; | 
|  | def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "subf $rT, $rA, $rB", IntGeneral, | 
|  | [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>; | 
|  | def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "subfc $rT, $rA, $rB", IntGeneral, | 
|  | [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>, | 
|  | PPC970_DGroup_Cracked; | 
|  | def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB), | 
|  | "subfe $rT, $rA, $rB", IntGeneral, | 
|  | [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>; | 
|  | def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA), | 
|  | "addme $rT, $rA", IntGeneral, | 
|  | [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>; | 
|  | def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA), | 
|  | "addze $rT, $rA", IntGeneral, | 
|  | [(set GPRC:$rT, (adde GPRC:$rA, 0))]>; | 
|  | def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA), | 
|  | "neg $rT, $rA", IntGeneral, | 
|  | [(set GPRC:$rT, (ineg GPRC:$rA))]>; | 
|  | def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA), | 
|  | "subfme $rT, $rA", IntGeneral, | 
|  | [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>; | 
|  | def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA), | 
|  | "subfze $rT, $rA", IntGeneral, | 
|  | [(set GPRC:$rT, (sube 0, GPRC:$rA))]>; | 
|  | } | 
|  |  | 
|  | // A-Form instructions.  Most of the instructions executed in the FPU are of | 
|  | // this type. | 
|  | // | 
|  | let PPC970_Unit = 3 in {  // FPU Operations. | 
|  | let Uses = [RM] in { | 
|  | def FMADD : AForm_1<63, 29, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), | 
|  | "fmadd $FRT, $FRA, $FRC, $FRB", FPFused, | 
|  | [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC), | 
|  | F8RC:$FRB))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FMADDS : AForm_1<59, 29, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB), | 
|  | "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC), | 
|  | F4RC:$FRB))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FMSUB : AForm_1<63, 28, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), | 
|  | "fmsub $FRT, $FRA, $FRC, $FRB", FPFused, | 
|  | [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC), | 
|  | F8RC:$FRB))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FMSUBS : AForm_1<59, 28, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB), | 
|  | "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC), | 
|  | F4RC:$FRB))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FNMADD : AForm_1<63, 31, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), | 
|  | "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused, | 
|  | [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC), | 
|  | F8RC:$FRB)))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FNMADDS : AForm_1<59, 31, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB), | 
|  | "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC), | 
|  | F4RC:$FRB)))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FNMSUB : AForm_1<63, 30, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), | 
|  | "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused, | 
|  | [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC), | 
|  | F8RC:$FRB)))]>, | 
|  | Requires<[FPContractions]>; | 
|  | def FNMSUBS : AForm_1<59, 30, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB), | 
|  | "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC), | 
|  | F4RC:$FRB)))]>, | 
|  | Requires<[FPContractions]>; | 
|  | } | 
|  | // FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid | 
|  | // having 4 of these, force the comparison to always be an 8-byte double (code | 
|  | // should use an FMRSD if the input comparison value really wants to be a float) | 
|  | // and 4/8 byte forms for the result and operand type.. | 
|  | def FSELD : AForm_1<63, 23, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), | 
|  | "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral, | 
|  | [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>; | 
|  | def FSELS : AForm_1<63, 23, | 
|  | (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB), | 
|  | "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>; | 
|  | let Uses = [RM] in { | 
|  | def FADD  : AForm_2<63, 21, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB), | 
|  | "fadd $FRT, $FRA, $FRB", FPGeneral, | 
|  | [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>; | 
|  | def FADDS : AForm_2<59, 21, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB), | 
|  | "fadds $FRT, $FRA, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>; | 
|  | def FDIV  : AForm_2<63, 18, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB), | 
|  | "fdiv $FRT, $FRA, $FRB", FPDivD, | 
|  | [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>; | 
|  | def FDIVS : AForm_2<59, 18, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB), | 
|  | "fdivs $FRT, $FRA, $FRB", FPDivS, | 
|  | [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>; | 
|  | def FMUL  : AForm_3<63, 25, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB), | 
|  | "fmul $FRT, $FRA, $FRB", FPFused, | 
|  | [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>; | 
|  | def FMULS : AForm_3<59, 25, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB), | 
|  | "fmuls $FRT, $FRA, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>; | 
|  | def FSUB  : AForm_2<63, 20, | 
|  | (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB), | 
|  | "fsub $FRT, $FRA, $FRB", FPGeneral, | 
|  | [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>; | 
|  | def FSUBS : AForm_2<59, 20, | 
|  | (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB), | 
|  | "fsubs $FRT, $FRA, $FRB", FPGeneral, | 
|  | [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>; | 
|  | } | 
|  | } | 
|  |  | 
|  | let PPC970_Unit = 1 in {  // FXU Operations. | 
|  | // M-Form instructions.  rotate and mask instructions. | 
|  | // | 
|  | let isCommutable = 1 in { | 
|  | // RLWIMI can be commuted if the rotate amount is zero. | 
|  | def RLWIMI : MForm_2<20, | 
|  | (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, | 
|  | u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate, | 
|  | []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">, | 
|  | NoEncode<"$rSi">; | 
|  | } | 
|  | def RLWINM : MForm_2<21, | 
|  | (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME), | 
|  | "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral, | 
|  | []>; | 
|  | def RLWINMo : MForm_2<21, | 
|  | (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME), | 
|  | "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral, | 
|  | []>, isDOT, PPC970_DGroup_Cracked; | 
|  | def RLWNM  : MForm_2<23, | 
|  | (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME), | 
|  | "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral, | 
|  | []>; | 
|  | } | 
|  |  | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // DWARF Pseudo Instructions | 
|  | // | 
|  |  | 
|  | def DWARF_LOC        : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file), | 
|  | "${:comment} .loc $file, $line, $col", | 
|  | [(dwarf_loc (i32 imm:$line), (i32 imm:$col), | 
|  | (i32 imm:$file))]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC Instruction Patterns | 
|  | // | 
|  |  | 
|  | // Arbitrary immediate support.  Implement in terms of LIS/ORI. | 
|  | def : Pat<(i32 imm:$imm), | 
|  | (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>; | 
|  |  | 
|  | // Implement the 'not' operation with the NOR instruction. | 
|  | def NOT : Pat<(not GPRC:$in), | 
|  | (NOR GPRC:$in, GPRC:$in)>; | 
|  |  | 
|  | // ADD an arbitrary immediate. | 
|  | def : Pat<(add GPRC:$in, imm:$imm), | 
|  | (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>; | 
|  | // OR an arbitrary immediate. | 
|  | def : Pat<(or GPRC:$in, imm:$imm), | 
|  | (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>; | 
|  | // XOR an arbitrary immediate. | 
|  | def : Pat<(xor GPRC:$in, imm:$imm), | 
|  | (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>; | 
|  | // SUBFIC | 
|  | def : Pat<(sub  immSExt16:$imm, GPRC:$in), | 
|  | (SUBFIC GPRC:$in, imm:$imm)>; | 
|  |  | 
|  | // SHL/SRL | 
|  | def : Pat<(shl GPRC:$in, (i32 imm:$imm)), | 
|  | (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>; | 
|  | def : Pat<(srl GPRC:$in, (i32 imm:$imm)), | 
|  | (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>; | 
|  |  | 
|  | // ROTL | 
|  | def : Pat<(rotl GPRC:$in, GPRC:$sh), | 
|  | (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>; | 
|  | def : Pat<(rotl GPRC:$in, (i32 imm:$imm)), | 
|  | (RLWINM GPRC:$in, imm:$imm, 0, 31)>; | 
|  |  | 
|  | // RLWNM | 
|  | def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm), | 
|  | (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>; | 
|  |  | 
|  | // Calls | 
|  | def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)), | 
|  | (BL_Darwin tglobaladdr:$dst)>; | 
|  | def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)), | 
|  | (BL_Darwin texternalsym:$dst)>; | 
|  | def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)), | 
|  | (BL_SVR4 tglobaladdr:$dst)>; | 
|  | def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)), | 
|  | (BL_SVR4 texternalsym:$dst)>; | 
|  |  | 
|  |  | 
|  | def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm), | 
|  | (TCRETURNdi tglobaladdr:$dst, imm:$imm)>; | 
|  |  | 
|  | def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm), | 
|  | (TCRETURNdi texternalsym:$dst, imm:$imm)>; | 
|  |  | 
|  | def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm), | 
|  | (TCRETURNri CTRRC:$dst, imm:$imm)>; | 
|  |  | 
|  |  | 
|  |  | 
|  | // Hi and Lo for Darwin Global Addresses. | 
|  | def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>; | 
|  | def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>; | 
|  | def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>; | 
|  | def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>; | 
|  | def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>; | 
|  | def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>; | 
|  | def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)), | 
|  | (ADDIS GPRC:$in, tglobaladdr:$g)>; | 
|  | def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)), | 
|  | (ADDIS GPRC:$in, tconstpool:$g)>; | 
|  | def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)), | 
|  | (ADDIS GPRC:$in, tjumptable:$g)>; | 
|  |  | 
|  | // Fused negative multiply subtract, alternate pattern | 
|  | def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)), | 
|  | (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>, | 
|  | Requires<[FPContractions]>; | 
|  | def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)), | 
|  | (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>, | 
|  | Requires<[FPContractions]>; | 
|  |  | 
|  | // Standard shifts.  These are represented separately from the real shifts above | 
|  | // so that we can distinguish between shifts that allow 5-bit and 6-bit shift | 
|  | // amounts. | 
|  | def : Pat<(sra GPRC:$rS, GPRC:$rB), | 
|  | (SRAW GPRC:$rS, GPRC:$rB)>; | 
|  | def : Pat<(srl GPRC:$rS, GPRC:$rB), | 
|  | (SRW GPRC:$rS, GPRC:$rB)>; | 
|  | def : Pat<(shl GPRC:$rS, GPRC:$rB), | 
|  | (SLW GPRC:$rS, GPRC:$rB)>; | 
|  |  | 
|  | def : Pat<(zextloadi1 iaddr:$src), | 
|  | (LBZ iaddr:$src)>; | 
|  | def : Pat<(zextloadi1 xaddr:$src), | 
|  | (LBZX xaddr:$src)>; | 
|  | def : Pat<(extloadi1 iaddr:$src), | 
|  | (LBZ iaddr:$src)>; | 
|  | def : Pat<(extloadi1 xaddr:$src), | 
|  | (LBZX xaddr:$src)>; | 
|  | def : Pat<(extloadi8 iaddr:$src), | 
|  | (LBZ iaddr:$src)>; | 
|  | def : Pat<(extloadi8 xaddr:$src), | 
|  | (LBZX xaddr:$src)>; | 
|  | def : Pat<(extloadi16 iaddr:$src), | 
|  | (LHZ iaddr:$src)>; | 
|  | def : Pat<(extloadi16 xaddr:$src), | 
|  | (LHZX xaddr:$src)>; | 
|  | def : Pat<(extloadf32 iaddr:$src), | 
|  | (FMRSD (LFS iaddr:$src))>; | 
|  | def : Pat<(extloadf32 xaddr:$src), | 
|  | (FMRSD (LFSX xaddr:$src))>; | 
|  |  | 
|  | // Memory barriers | 
|  | def : Pat<(membarrier (i32 imm:$ll), | 
|  | (i32 imm:$ls), | 
|  | (i32 imm:$sl), | 
|  | (i32 imm:$ss), | 
|  | (i32 imm:$device)), | 
|  | (SYNC)>; | 
|  |  | 
|  | include "PPCInstrAltivec.td" | 
|  | include "PPCInstr64Bit.td" |