| //===- Mips64InstrInfo.td - Mips64 Instruction Information -*- 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 Mips64 instructions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Mips Operand, Complex Patterns and Transformations Definitions. |
| //===----------------------------------------------------------------------===// |
| |
| // Unsigned Operand |
| def uimm16_64 : Operand<i64> { |
| let PrintMethod = "printUnsignedImm"; |
| } |
| |
| // Transformation Function - get Imm - 32. |
| def Subtract32 : SDNodeXForm<imm, [{ |
| return getImm(N, (unsigned)N->getZExtValue() - 32); |
| }]>; |
| |
| // shamt must fit in 6 bits. |
| def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Instructions specific format |
| //===----------------------------------------------------------------------===// |
| let usesCustomInserter = 1 in { |
| def ATOMIC_LOAD_ADD_I64 : Atomic2Ops<atomic_load_add_64, GPR64>; |
| def ATOMIC_LOAD_SUB_I64 : Atomic2Ops<atomic_load_sub_64, GPR64>; |
| def ATOMIC_LOAD_AND_I64 : Atomic2Ops<atomic_load_and_64, GPR64>; |
| def ATOMIC_LOAD_OR_I64 : Atomic2Ops<atomic_load_or_64, GPR64>; |
| def ATOMIC_LOAD_XOR_I64 : Atomic2Ops<atomic_load_xor_64, GPR64>; |
| def ATOMIC_LOAD_NAND_I64 : Atomic2Ops<atomic_load_nand_64, GPR64>; |
| def ATOMIC_SWAP_I64 : Atomic2Ops<atomic_swap_64, GPR64>; |
| def ATOMIC_CMP_SWAP_I64 : AtomicCmpSwap<atomic_cmp_swap_64, GPR64>; |
| } |
| |
| /// Pseudo instructions for loading and storing accumulator registers. |
| let isPseudo = 1, isCodeGenOnly = 1 in { |
| def LOAD_ACC128 : Load<"", ACC128>; |
| def STORE_ACC128 : Store<"", ACC128>; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction definition |
| //===----------------------------------------------------------------------===// |
| let DecoderNamespace = "Mips64" in { |
| /// Arithmetic Instructions (ALU Immediate) |
| def DADDi : ArithLogicI<"daddi", simm16_64, GPR64Opnd>, ADDI_FM<0x18>; |
| def DADDiu : ArithLogicI<"daddiu", simm16_64, GPR64Opnd, IIArith, |
| immSExt16, add>, |
| ADDI_FM<0x19>, IsAsCheapAsAMove; |
| |
| let isCodeGenOnly = 1 in { |
| def SLTi64 : SetCC_I<"slti", setlt, simm16_64, immSExt16, GPR64Opnd>, |
| SLTI_FM<0xa>; |
| def SLTiu64 : SetCC_I<"sltiu", setult, simm16_64, immSExt16, GPR64Opnd>, |
| SLTI_FM<0xb>; |
| def ANDi64 : ArithLogicI<"andi", uimm16_64, GPR64Opnd, IILogic, immZExt16, |
| and>, |
| ADDI_FM<0xc>; |
| def ORi64 : ArithLogicI<"ori", uimm16_64, GPR64Opnd, IILogic, immZExt16, |
| or>, |
| ADDI_FM<0xd>; |
| def XORi64 : ArithLogicI<"xori", uimm16_64, GPR64Opnd, IILogic, immZExt16, |
| xor>, |
| ADDI_FM<0xe>; |
| def LUi64 : LoadUpper<"lui", GPR64Opnd, uimm16_64>, LUI_FM; |
| } |
| |
| /// Arithmetic Instructions (3-Operand, R-Type) |
| def DADD : ArithLogicR<"dadd", GPR64Opnd>, ADD_FM<0, 0x2c>; |
| def DADDu : ArithLogicR<"daddu", GPR64Opnd, 1, IIArith, add>, |
| ADD_FM<0, 0x2d>; |
| def DSUBu : ArithLogicR<"dsubu", GPR64Opnd, 0, IIArith, sub>, |
| ADD_FM<0, 0x2f>; |
| |
| let isCodeGenOnly = 1 in { |
| def SLT64 : SetCC_R<"slt", setlt, GPR64Opnd>, ADD_FM<0, 0x2a>; |
| def SLTu64 : SetCC_R<"sltu", setult, GPR64Opnd>, ADD_FM<0, 0x2b>; |
| def AND64 : ArithLogicR<"and", GPR64Opnd, 1, IIArith, and>, ADD_FM<0, 0x24>; |
| def OR64 : ArithLogicR<"or", GPR64Opnd, 1, IIArith, or>, ADD_FM<0, 0x25>; |
| def XOR64 : ArithLogicR<"xor", GPR64Opnd, 1, IIArith, xor>, ADD_FM<0, 0x26>; |
| def NOR64 : LogicNOR<"nor", GPR64Opnd>, ADD_FM<0, 0x27>; |
| } |
| |
| /// Shift Instructions |
| def DSLL : shift_rotate_imm<"dsll", uimm6, GPR64Opnd, shl, immZExt6>, |
| SRA_FM<0x38, 0>; |
| def DSRL : shift_rotate_imm<"dsrl", uimm6, GPR64Opnd, srl, immZExt6>, |
| SRA_FM<0x3a, 0>; |
| def DSRA : shift_rotate_imm<"dsra", uimm6, GPR64Opnd, sra, immZExt6>, |
| SRA_FM<0x3b, 0>; |
| def DSLLV : shift_rotate_reg<"dsllv", GPR64Opnd, shl>, SRLV_FM<0x14, 0>; |
| def DSRLV : shift_rotate_reg<"dsrlv", GPR64Opnd, srl>, SRLV_FM<0x16, 0>; |
| def DSRAV : shift_rotate_reg<"dsrav", GPR64Opnd, sra>, SRLV_FM<0x17, 0>; |
| def DSLL32 : shift_rotate_imm<"dsll32", uimm5, GPR64Opnd>, SRA_FM<0x3c, 0>; |
| def DSRL32 : shift_rotate_imm<"dsrl32", uimm5, GPR64Opnd>, SRA_FM<0x3e, 0>; |
| def DSRA32 : shift_rotate_imm<"dsra32", uimm5, GPR64Opnd>, SRA_FM<0x3f, 0>; |
| |
| // Rotate Instructions |
| let Predicates = [HasMips64r2, HasStdEnc] in { |
| def DROTR : shift_rotate_imm<"drotr", uimm6, GPR64Opnd, rotr, immZExt6>, |
| SRA_FM<0x3a, 1>; |
| def DROTRV : shift_rotate_reg<"drotrv", GPR64Opnd, rotr>, |
| SRLV_FM<0x16, 1>; |
| def DROTR32 : shift_rotate_imm<"drotr32", uimm5, GPR64Opnd>, SRA_FM<0x3e, 1>; |
| } |
| |
| /// Load and Store Instructions |
| /// aligned |
| let isCodeGenOnly = 1 in { |
| def LB64 : Load<"lb", GPR64Opnd, sextloadi8, IILoad>, LW_FM<0x20>; |
| def LBu64 : Load<"lbu", GPR64Opnd, zextloadi8, IILoad>, LW_FM<0x24>; |
| def LH64 : Load<"lh", GPR64Opnd, sextloadi16, IILoad>, LW_FM<0x21>; |
| def LHu64 : Load<"lhu", GPR64Opnd, zextloadi16, IILoad>, LW_FM<0x25>; |
| def LW64 : Load<"lw", GPR64Opnd, sextloadi32, IILoad>, LW_FM<0x23>; |
| def SB64 : Store<"sb", GPR64Opnd, truncstorei8, IIStore>, LW_FM<0x28>; |
| def SH64 : Store<"sh", GPR64Opnd, truncstorei16, IIStore>, LW_FM<0x29>; |
| def SW64 : Store<"sw", GPR64Opnd, truncstorei32, IIStore>, LW_FM<0x2b>; |
| } |
| |
| def LWu : Load<"lwu", GPR64Opnd, zextloadi32, IILoad>, LW_FM<0x27>; |
| def LD : Load<"ld", GPR64Opnd, load, IILoad>, LW_FM<0x37>; |
| def SD : Store<"sd", GPR64Opnd, store, IIStore>, LW_FM<0x3f>; |
| |
| /// load/store left/right |
| let isCodeGenOnly = 1 in { |
| def LWL64 : LoadLeftRight<"lwl", MipsLWL, GPR64Opnd, IILoad>, LW_FM<0x22>; |
| def LWR64 : LoadLeftRight<"lwr", MipsLWR, GPR64Opnd, IILoad>, LW_FM<0x26>; |
| def SWL64 : StoreLeftRight<"swl", MipsSWL, GPR64Opnd, IIStore>, LW_FM<0x2a>; |
| def SWR64 : StoreLeftRight<"swr", MipsSWR, GPR64Opnd, IIStore>, LW_FM<0x2e>; |
| } |
| |
| def LDL : LoadLeftRight<"ldl", MipsLDL, GPR64Opnd, IILoad>, LW_FM<0x1a>; |
| def LDR : LoadLeftRight<"ldr", MipsLDR, GPR64Opnd, IILoad>, LW_FM<0x1b>; |
| def SDL : StoreLeftRight<"sdl", MipsSDL, GPR64Opnd, IIStore>, LW_FM<0x2c>; |
| def SDR : StoreLeftRight<"sdr", MipsSDR, GPR64Opnd, IIStore>, LW_FM<0x2d>; |
| |
| /// Load-linked, Store-conditional |
| def LLD : LLBase<"lld", GPR64Opnd>, LW_FM<0x34>; |
| def SCD : SCBase<"scd", GPR64Opnd>, LW_FM<0x3c>; |
| |
| /// Jump and Branch Instructions |
| let isCodeGenOnly = 1 in { |
| def JR64 : IndirectBranch<"jr", GPR64Opnd>, MTLO_FM<8>; |
| def BEQ64 : CBranch<"beq", brtarget, seteq, GPR64Opnd>, BEQ_FM<4>; |
| def BNE64 : CBranch<"bne", brtarget, setne, GPR64Opnd>, BEQ_FM<5>; |
| def BGEZ64 : CBranchZero<"bgez", brtarget, setge, GPR64Opnd>, BGEZ_FM<1, 1>; |
| def BGTZ64 : CBranchZero<"bgtz", brtarget, setgt, GPR64Opnd>, BGEZ_FM<7, 0>; |
| def BLEZ64 : CBranchZero<"blez", brtarget, setle, GPR64Opnd>, BGEZ_FM<6, 0>; |
| def BLTZ64 : CBranchZero<"bltz", brtarget, setlt, GPR64Opnd>, BGEZ_FM<1, 0>; |
| def JALR64 : JumpLinkReg<"jalr", GPR64Opnd>, JALR_FM; |
| def JALR64Pseudo : JumpLinkRegPseudo<GPR64Opnd, JALR, RA, GPR32Opnd>; |
| def TAILCALL64_R : JumpFR<"tcallr", GPR64Opnd, MipsTailCall>, |
| MTLO_FM<8>, IsTailCall; |
| } |
| |
| /// Multiply and Divide Instructions. |
| def DMULT : Mult<"dmult", IIImult, GPR64Opnd, [HI0_64, LO0_64]>, |
| MULT_FM<0, 0x1c>; |
| def DMULTu : Mult<"dmultu", IIImult, GPR64Opnd, [HI0_64, LO0_64]>, |
| MULT_FM<0, 0x1d>; |
| def PseudoDMULT : MultDivPseudo<DMULT, ACC128, GPR64Opnd, MipsMult, |
| IIImult>; |
| def PseudoDMULTu : MultDivPseudo<DMULTu, ACC128, GPR64Opnd, MipsMultu, |
| IIImult>; |
| def DSDIV : Div<"ddiv", IIIdiv, GPR64Opnd, [HI0_64, LO0_64]>, MULT_FM<0, 0x1e>; |
| def DUDIV : Div<"ddivu", IIIdiv, GPR64Opnd, [HI0_64, LO0_64]>, MULT_FM<0, 0x1f>; |
| def PseudoDSDIV : MultDivPseudo<DSDIV, ACC128, GPR64Opnd, MipsDivRem, |
| IIIdiv, 0, 1, 1>; |
| def PseudoDUDIV : MultDivPseudo<DUDIV, ACC128, GPR64Opnd, MipsDivRemU, |
| IIIdiv, 0, 1, 1>; |
| |
| let isCodeGenOnly = 1 in { |
| def MTHI64 : MoveToLOHI<"mthi", GPR64Opnd, [HI0_64]>, MTLO_FM<0x11>; |
| def MTLO64 : MoveToLOHI<"mtlo", GPR64Opnd, [LO0_64]>, MTLO_FM<0x13>; |
| def MFHI64 : MoveFromLOHI<"mfhi", GPR64Opnd, AC0_64>, MFLO_FM<0x10>; |
| def MFLO64 : MoveFromLOHI<"mflo", GPR64Opnd, AC0_64>, MFLO_FM<0x12>; |
| def PseudoMFHI64 : PseudoMFLOHI<GPR64, ACC128, MipsMFHI>; |
| def PseudoMFLO64 : PseudoMFLOHI<GPR64, ACC128, MipsMFLO>; |
| def PseudoMTLOHI64 : PseudoMTLOHI<ACC128, GPR64>; |
| |
| /// Sign Ext In Register Instructions. |
| def SEB64 : SignExtInReg<"seb", i8, GPR64Opnd>, SEB_FM<0x10, 0x20>; |
| def SEH64 : SignExtInReg<"seh", i16, GPR64Opnd>, SEB_FM<0x18, 0x20>; |
| } |
| |
| /// Count Leading |
| def DCLZ : CountLeading0<"dclz", GPR64Opnd>, CLO_FM<0x24>; |
| def DCLO : CountLeading1<"dclo", GPR64Opnd>, CLO_FM<0x25>; |
| |
| /// Double Word Swap Bytes/HalfWords |
| def DSBH : SubwordSwap<"dsbh", GPR64Opnd>, SEB_FM<2, 0x24>; |
| def DSHD : SubwordSwap<"dshd", GPR64Opnd>, SEB_FM<5, 0x24>; |
| |
| def LEA_ADDiu64 : EffectiveAddress<"daddiu", GPR64Opnd>, LW_FM<0x19>; |
| |
| let isCodeGenOnly = 1 in |
| def RDHWR64 : ReadHardware<GPR64Opnd, HWRegsOpnd>, RDHWR_FM; |
| |
| def DEXT : ExtBase<"dext", GPR64Opnd, uimm6, MipsExt>, EXT_FM<3>; |
| def DEXTU : ExtBase<"dextu", GPR64Opnd, uimm6>, EXT_FM<2>; |
| def DEXTM : ExtBase<"dextm", GPR64Opnd, uimm5>, EXT_FM<1>; |
| |
| def DINS : InsBase<"dins", GPR64Opnd, uimm6, MipsIns>, EXT_FM<7>; |
| def DINSU : InsBase<"dinsu", GPR64Opnd, uimm6>, EXT_FM<6>; |
| def DINSM : InsBase<"dinsm", GPR64Opnd, uimm5>, EXT_FM<5>; |
| |
| let isCodeGenOnly = 1, rs = 0, shamt = 0 in { |
| def DSLL64_32 : FR<0x00, 0x3c, (outs GPR64:$rd), (ins GPR32:$rt), |
| "dsll\t$rd, $rt, 32", [], IIArith>; |
| def SLL64_32 : FR<0x0, 0x00, (outs GPR64:$rd), (ins GPR32:$rt), |
| "sll\t$rd, $rt, 0", [], IIArith>; |
| def SLL64_64 : FR<0x0, 0x00, (outs GPR64:$rd), (ins GPR64:$rt), |
| "sll\t$rd, $rt, 0", [], IIArith>; |
| } |
| } |
| //===----------------------------------------------------------------------===// |
| // Arbitrary patterns that map to one or more instructions |
| //===----------------------------------------------------------------------===// |
| |
| // extended loads |
| let Predicates = [HasStdEnc] in { |
| def : MipsPat<(i64 (extloadi1 addr:$src)), (LB64 addr:$src)>; |
| def : MipsPat<(i64 (extloadi8 addr:$src)), (LB64 addr:$src)>; |
| def : MipsPat<(i64 (extloadi16 addr:$src)), (LH64 addr:$src)>; |
| def : MipsPat<(i64 (extloadi32 addr:$src)), (LW64 addr:$src)>; |
| } |
| |
| // hi/lo relocs |
| def : MipsPat<(MipsHi tglobaladdr:$in), (LUi64 tglobaladdr:$in)>; |
| def : MipsPat<(MipsHi tblockaddress:$in), (LUi64 tblockaddress:$in)>; |
| def : MipsPat<(MipsHi tjumptable:$in), (LUi64 tjumptable:$in)>; |
| def : MipsPat<(MipsHi tconstpool:$in), (LUi64 tconstpool:$in)>; |
| def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi64 tglobaltlsaddr:$in)>; |
| def : MipsPat<(MipsHi texternalsym:$in), (LUi64 texternalsym:$in)>; |
| |
| def : MipsPat<(MipsLo tglobaladdr:$in), (DADDiu ZERO_64, tglobaladdr:$in)>; |
| def : MipsPat<(MipsLo tblockaddress:$in), (DADDiu ZERO_64, tblockaddress:$in)>; |
| def : MipsPat<(MipsLo tjumptable:$in), (DADDiu ZERO_64, tjumptable:$in)>; |
| def : MipsPat<(MipsLo tconstpool:$in), (DADDiu ZERO_64, tconstpool:$in)>; |
| def : MipsPat<(MipsLo tglobaltlsaddr:$in), |
| (DADDiu ZERO_64, tglobaltlsaddr:$in)>; |
| def : MipsPat<(MipsLo texternalsym:$in), (DADDiu ZERO_64, texternalsym:$in)>; |
| |
| def : MipsPat<(add GPR64:$hi, (MipsLo tglobaladdr:$lo)), |
| (DADDiu GPR64:$hi, tglobaladdr:$lo)>; |
| def : MipsPat<(add GPR64:$hi, (MipsLo tblockaddress:$lo)), |
| (DADDiu GPR64:$hi, tblockaddress:$lo)>; |
| def : MipsPat<(add GPR64:$hi, (MipsLo tjumptable:$lo)), |
| (DADDiu GPR64:$hi, tjumptable:$lo)>; |
| def : MipsPat<(add GPR64:$hi, (MipsLo tconstpool:$lo)), |
| (DADDiu GPR64:$hi, tconstpool:$lo)>; |
| def : MipsPat<(add GPR64:$hi, (MipsLo tglobaltlsaddr:$lo)), |
| (DADDiu GPR64:$hi, tglobaltlsaddr:$lo)>; |
| |
| def : WrapperPat<tglobaladdr, DADDiu, GPR64>; |
| def : WrapperPat<tconstpool, DADDiu, GPR64>; |
| def : WrapperPat<texternalsym, DADDiu, GPR64>; |
| def : WrapperPat<tblockaddress, DADDiu, GPR64>; |
| def : WrapperPat<tjumptable, DADDiu, GPR64>; |
| def : WrapperPat<tglobaltlsaddr, DADDiu, GPR64>; |
| |
| defm : BrcondPats<GPR64, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64, |
| ZERO_64>; |
| |
| def : MipsPat<(brcond (i32 (setlt i64:$lhs, 1)), bb:$dst), |
| (BLEZ64 i64:$lhs, bb:$dst)>; |
| def : MipsPat<(brcond (i32 (setgt i64:$lhs, -1)), bb:$dst), |
| (BGEZ64 i64:$lhs, bb:$dst)>; |
| |
| // setcc patterns |
| defm : SeteqPats<GPR64, SLTiu64, XOR64, SLTu64, ZERO_64>; |
| defm : SetlePats<GPR64, SLT64, SLTu64>; |
| defm : SetgtPats<GPR64, SLT64, SLTu64>; |
| defm : SetgePats<GPR64, SLT64, SLTu64>; |
| defm : SetgeImmPats<GPR64, SLTi64, SLTiu64>; |
| |
| // truncate |
| def : MipsPat<(i32 (trunc GPR64:$src)), |
| (SLL (EXTRACT_SUBREG GPR64:$src, sub_32), 0)>, |
| Requires<[HasStdEnc]>; |
| |
| // 32-to-64-bit extension |
| def : MipsPat<(i64 (anyext GPR32:$src)), (SLL64_32 GPR32:$src)>; |
| def : MipsPat<(i64 (zext GPR32:$src)), (DSRL (DSLL64_32 GPR32:$src), 32)>; |
| def : MipsPat<(i64 (sext GPR32:$src)), (SLL64_32 GPR32:$src)>; |
| |
| // Sign extend in register |
| def : MipsPat<(i64 (sext_inreg GPR64:$src, i32)), |
| (SLL64_64 GPR64:$src)>; |
| |
| // bswap MipsPattern |
| def : MipsPat<(bswap GPR64:$rt), (DSHD (DSBH GPR64:$rt))>; |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction aliases |
| //===----------------------------------------------------------------------===// |
| def : InstAlias<"move $dst, $src", |
| (DADDu GPR64Opnd:$dst, GPR64Opnd:$src, ZERO_64), 1>, |
| Requires<[HasMips64]>; |
| def : InstAlias<"daddu $rs, $rt, $imm", |
| (DADDiu GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm), |
| 0>; |
| def : InstAlias<"dadd $rs, $rt, $imm", |
| (DADDi GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm), |
| 0>; |
| |
| /// Move between CPU and coprocessor registers |
| let DecoderNamespace = "Mips64", Predicates = [HasMips64] in { |
| def DMFC0 : MFC3OP<"dmfc0", GPR64Opnd>, MFC3OP_FM<0x10, 1>; |
| def DMTC0 : MFC3OP<"dmtc0", GPR64Opnd>, MFC3OP_FM<0x10, 5>; |
| def DMFC2 : MFC3OP<"dmfc2", GPR64Opnd>, MFC3OP_FM<0x12, 1>; |
| def DMTC2 : MFC3OP<"dmtc2", GPR64Opnd>, MFC3OP_FM<0x12, 5>; |
| } |
| |
| // Two operand (implicit 0 selector) versions: |
| def : InstAlias<"dmfc0 $rt, $rd", (DMFC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>; |
| def : InstAlias<"dmtc0 $rt, $rd", (DMTC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>; |
| def : InstAlias<"dmfc2 $rt, $rd", (DMFC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>; |
| def : InstAlias<"dmtc2 $rt, $rd", (DMTC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>; |
| |
