// Mips Operand, Complex Patterns and Transformations Definitions.
//===----------------------------------------------------------------------===//
-// Instruction operand types
-def shamt_64 : Operand<i64>;
-
// Unsigned Operand
def uimm16_64 : Operand<i64> {
let PrintMethod = "printUnsignedImm";
}
+// Signed Operand
+def simm10_64 : Operand<i64>;
+
// 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);}]>;
+// Node immediate fits as 10-bit sign extended on target immediate.
+// e.g. seqi, snei
+def immSExt10_64 : PatLeaf<(i64 imm),
+ [{ return isInt<10>(N->getSExtValue()); }]>;
+
//===----------------------------------------------------------------------===//
// Instructions specific format
//===----------------------------------------------------------------------===//
-// Shifts
-// 64-bit shift instructions.
-let DecoderNamespace = "Mips64" in {
-class shift_rotate_imm64<bits<6> func, bits<5> isRotate, string instr_asm,
- SDNode OpNode>:
- shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt6, shamt,
- CPU64Regs>;
-
-// Mul, Div
-class Mult64<bits<6> func, string instr_asm, InstrItinClass itin>:
- Mult<func, instr_asm, itin, CPU64Regs, [HI64, LO64]>;
-class Div64<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
- Div<op, func, instr_asm, itin, CPU64Regs, [HI64, LO64]>;
-
-multiclass Atomic2Ops64<PatFrag Op, string Opstr> {
- def #NAME# : Atomic2Ops<Op, Opstr, CPU64Regs, CPURegs>,
- Requires<[NotN64, HasStandardEncoding]>;
- def _P8 : Atomic2Ops<Op, Opstr, CPU64Regs, CPU64Regs>,
- Requires<[IsN64, HasStandardEncoding]> {
- let isCodeGenOnly = 1;
- }
+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>;
}
-multiclass AtomicCmpSwap64<PatFrag Op, string Width> {
- def #NAME# : AtomicCmpSwap<Op, Width, CPU64Regs, CPURegs>,
- Requires<[NotN64, HasStandardEncoding]>;
- def _P8 : AtomicCmpSwap<Op, Width, CPU64Regs, CPU64Regs>,
- Requires<[IsN64, HasStandardEncoding]> {
- let isCodeGenOnly = 1;
- }
-}
-}
-let usesCustomInserter = 1, Predicates = [HasStandardEncoding],
- DecoderNamespace = "Mips64" in {
- defm ATOMIC_LOAD_ADD_I64 : Atomic2Ops64<atomic_load_add_64, "load_add_64">;
- defm ATOMIC_LOAD_SUB_I64 : Atomic2Ops64<atomic_load_sub_64, "load_sub_64">;
- defm ATOMIC_LOAD_AND_I64 : Atomic2Ops64<atomic_load_and_64, "load_and_64">;
- defm ATOMIC_LOAD_OR_I64 : Atomic2Ops64<atomic_load_or_64, "load_or_64">;
- defm ATOMIC_LOAD_XOR_I64 : Atomic2Ops64<atomic_load_xor_64, "load_xor_64">;
- defm ATOMIC_LOAD_NAND_I64 : Atomic2Ops64<atomic_load_nand_64, "load_nand_64">;
- defm ATOMIC_SWAP_I64 : Atomic2Ops64<atomic_swap_64, "swap_64">;
- defm ATOMIC_CMP_SWAP_I64 : AtomicCmpSwap64<atomic_cmp_swap_64, "64">;
+/// Pseudo instructions for loading and storing accumulator registers.
+let isPseudo = 1, isCodeGenOnly = 1 in {
+ def LOAD_ACC128 : Load<"", ACC128>;
+ def STORE_ACC128 : Store<"", ACC128>;
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
let DecoderNamespace = "Mips64" in {
/// Arithmetic Instructions (ALU Immediate)
-def DADDi : ArithOverflowI<0x18, "daddi", add, simm16_64, immSExt16,
- CPU64Regs>;
-def DADDiu : ArithLogicI<0x19, "daddiu", add, simm16_64, immSExt16,
- CPU64Regs>, IsAsCheapAsAMove;
-def DANDi : ArithLogicI<0x0c, "andi", and, uimm16_64, immZExt16, CPU64Regs>;
-def SLTi64 : SetCC_I<0x0a, "slti", setlt, simm16_64, immSExt16, CPU64Regs>;
-def SLTiu64 : SetCC_I<0x0b, "sltiu", setult, simm16_64, immSExt16, CPU64Regs>;
-def ORi64 : ArithLogicI<0x0d, "ori", or, uimm16_64, immZExt16, CPU64Regs>;
-def XORi64 : ArithLogicI<0x0e, "xori", xor, uimm16_64, immZExt16, CPU64Regs>;
-def LUi64 : LoadUpper<0x0f, "lui", CPU64Regs, uimm16_64>;
+def DADDi : ArithLogicI<"daddi", simm16_64, GPR64Opnd>, ADDI_FM<0x18>,
+ ISA_MIPS3;
+def DADDiu : ArithLogicI<"daddiu", simm16_64, GPR64Opnd, II_DADDIU,
+ immSExt16, add>,
+ ADDI_FM<0x19>, IsAsCheapAsAMove, ISA_MIPS3;
+
+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, II_AND, immZExt16, and>,
+ ADDI_FM<0xc>;
+def ORi64 : ArithLogicI<"ori", uimm16_64, GPR64Opnd, II_OR, immZExt16, or>,
+ ADDI_FM<0xd>;
+def XORi64 : ArithLogicI<"xori", uimm16_64, GPR64Opnd, II_XOR, immZExt16, xor>,
+ ADDI_FM<0xe>;
+def LUi64 : LoadUpper<"lui", GPR64Opnd, uimm16_64>, LUI_FM;
+}
/// Arithmetic Instructions (3-Operand, R-Type)
-def DADD : ArithOverflowR<0x00, 0x2C, "dadd", IIAlu, CPU64Regs, 1>;
-def DADDu : ArithLogicR<0x00, 0x2d, "daddu", add, IIAlu, CPU64Regs, 1>;
-def DSUBu : ArithLogicR<0x00, 0x2f, "dsubu", sub, IIAlu, CPU64Regs>;
-def SLT64 : SetCC_R<0x00, 0x2a, "slt", setlt, CPU64Regs>;
-def SLTu64 : SetCC_R<0x00, 0x2b, "sltu", setult, CPU64Regs>;
-def AND64 : ArithLogicR<0x00, 0x24, "and", and, IIAlu, CPU64Regs, 1>;
-def OR64 : ArithLogicR<0x00, 0x25, "or", or, IIAlu, CPU64Regs, 1>;
-def XOR64 : ArithLogicR<0x00, 0x26, "xor", xor, IIAlu, CPU64Regs, 1>;
-def NOR64 : LogicNOR<0x00, 0x27, "nor", CPU64Regs>;
+def DADD : ArithLogicR<"dadd", GPR64Opnd, 1, II_DADD>, ADD_FM<0, 0x2c>,
+ ISA_MIPS3;
+def DADDu : ArithLogicR<"daddu", GPR64Opnd, 1, II_DADDU, add>, ADD_FM<0, 0x2d>,
+ ISA_MIPS3;
+def DSUBu : ArithLogicR<"dsubu", GPR64Opnd, 0, II_DSUBU, sub>, ADD_FM<0, 0x2f>,
+ ISA_MIPS3;
+def DSUB : ArithLogicR<"dsub", GPR64Opnd, 0, II_DSUB>, ADD_FM<0, 0x2e>,
+ ISA_MIPS3;
-/// Shift Instructions
-def DSLL : shift_rotate_imm64<0x38, 0x00, "dsll", shl>;
-def DSRL : shift_rotate_imm64<0x3a, 0x00, "dsrl", srl>;
-def DSRA : shift_rotate_imm64<0x3b, 0x00, "dsra", sra>;
-def DSLLV : shift_rotate_reg<0x14, 0x00, "dsllv", shl, CPU64Regs>;
-def DSRLV : shift_rotate_reg<0x16, 0x00, "dsrlv", srl, CPU64Regs>;
-def DSRAV : shift_rotate_reg<0x17, 0x00, "dsrav", sra, CPU64Regs>;
-let Pattern = []<dag> in {
- def DSLL32 : shift_rotate_imm64<0x3c, 0x00, "dsll32", shl>;
- def DSRL32 : shift_rotate_imm64<0x3e, 0x00, "dsrl32", srl>;
- def DSRA32 : shift_rotate_imm64<0x3f, 0x00, "dsra32", sra>;
-}
+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, II_AND, and>, ADD_FM<0, 0x24>;
+def OR64 : ArithLogicR<"or", GPR64Opnd, 1, II_OR, or>, ADD_FM<0, 0x25>;
+def XOR64 : ArithLogicR<"xor", GPR64Opnd, 1, II_XOR, xor>, ADD_FM<0, 0x26>;
+def NOR64 : LogicNOR<"nor", GPR64Opnd>, ADD_FM<0, 0x27>;
}
+
+/// Shift Instructions
+def DSLL : shift_rotate_imm<"dsll", uimm6, GPR64Opnd, II_DSLL, shl, immZExt6>,
+ SRA_FM<0x38, 0>, ISA_MIPS3;
+def DSRL : shift_rotate_imm<"dsrl", uimm6, GPR64Opnd, II_DSRL, srl, immZExt6>,
+ SRA_FM<0x3a, 0>, ISA_MIPS3;
+def DSRA : shift_rotate_imm<"dsra", uimm6, GPR64Opnd, II_DSRA, sra, immZExt6>,
+ SRA_FM<0x3b, 0>, ISA_MIPS3;
+def DSLLV : shift_rotate_reg<"dsllv", GPR64Opnd, II_DSLLV, shl>,
+ SRLV_FM<0x14, 0>, ISA_MIPS3;
+def DSRLV : shift_rotate_reg<"dsrlv", GPR64Opnd, II_DSRLV, srl>,
+ SRLV_FM<0x16, 0>, ISA_MIPS3;
+def DSRAV : shift_rotate_reg<"dsrav", GPR64Opnd, II_DSRAV, sra>,
+ SRLV_FM<0x17, 0>, ISA_MIPS3;
+def DSLL32 : shift_rotate_imm<"dsll32", uimm5, GPR64Opnd, II_DSLL32>,
+ SRA_FM<0x3c, 0>, ISA_MIPS3;
+def DSRL32 : shift_rotate_imm<"dsrl32", uimm5, GPR64Opnd, II_DSRL32>,
+ SRA_FM<0x3e, 0>, ISA_MIPS3;
+def DSRA32 : shift_rotate_imm<"dsra32", uimm5, GPR64Opnd, II_DSRA32>,
+ SRA_FM<0x3f, 0>, ISA_MIPS3;
+
// Rotate Instructions
-let Predicates = [HasMips64r2, HasStandardEncoding],
- DecoderNamespace = "Mips64" in {
- def DROTR : shift_rotate_imm64<0x3a, 0x01, "drotr", rotr>;
- def DROTRV : shift_rotate_reg<0x16, 0x01, "drotrv", rotr, CPU64Regs>;
-}
+def DROTR : shift_rotate_imm<"drotr", uimm6, GPR64Opnd, II_DROTR, rotr,
+ immZExt6>,
+ SRA_FM<0x3a, 1>, ISA_MIPS64R2;
+def DROTRV : shift_rotate_reg<"drotrv", GPR64Opnd, II_DROTRV, rotr>,
+ SRLV_FM<0x16, 1>, ISA_MIPS64R2;
+def DROTR32 : shift_rotate_imm<"drotr32", uimm5, GPR64Opnd, II_DROTR32>,
+ SRA_FM<0x3e, 1>, ISA_MIPS64R2;
-let DecoderNamespace = "Mips64" in {
/// Load and Store Instructions
/// aligned
-defm LB64 : LoadM64<0x20, "lb", sextloadi8>;
-defm LBu64 : LoadM64<0x24, "lbu", zextloadi8>;
-defm LH64 : LoadM64<0x21, "lh", sextloadi16>;
-defm LHu64 : LoadM64<0x25, "lhu", zextloadi16>;
-defm LW64 : LoadM64<0x23, "lw", sextloadi32>;
-defm LWu64 : LoadM64<0x27, "lwu", zextloadi32>;
-defm SB64 : StoreM64<0x28, "sb", truncstorei8>;
-defm SH64 : StoreM64<0x29, "sh", truncstorei16>;
-defm SW64 : StoreM64<0x2b, "sw", truncstorei32>;
-defm LD : LoadM64<0x37, "ld", load>;
-defm SD : StoreM64<0x3f, "sd", store>;
+let isCodeGenOnly = 1 in {
+def LB64 : Load<"lb", GPR64Opnd, sextloadi8, II_LB>, LW_FM<0x20>;
+def LBu64 : Load<"lbu", GPR64Opnd, zextloadi8, II_LBU>, LW_FM<0x24>;
+def LH64 : Load<"lh", GPR64Opnd, sextloadi16, II_LH>, LW_FM<0x21>;
+def LHu64 : Load<"lhu", GPR64Opnd, zextloadi16, II_LHU>, LW_FM<0x25>;
+def LW64 : Load<"lw", GPR64Opnd, sextloadi32, II_LW>, LW_FM<0x23>;
+def SB64 : Store<"sb", GPR64Opnd, truncstorei8, II_SB>, LW_FM<0x28>;
+def SH64 : Store<"sh", GPR64Opnd, truncstorei16, II_SH>, LW_FM<0x29>;
+def SW64 : Store<"sw", GPR64Opnd, truncstorei32, II_SW>, LW_FM<0x2b>;
+}
+
+def LWu : Load<"lwu", GPR64Opnd, zextloadi32, II_LWU>, LW_FM<0x27>, ISA_MIPS3;
+def LD : Load<"ld", GPR64Opnd, load, II_LD>, LW_FM<0x37>, ISA_MIPS3;
+def SD : Store<"sd", GPR64Opnd, store, II_SD>, LW_FM<0x3f>, ISA_MIPS3;
/// load/store left/right
let isCodeGenOnly = 1 in {
- defm LWL64 : LoadLeftRightM64<0x22, "lwl", MipsLWL>;
- defm LWR64 : LoadLeftRightM64<0x26, "lwr", MipsLWR>;
- defm SWL64 : StoreLeftRightM64<0x2a, "swl", MipsSWL>;
- defm SWR64 : StoreLeftRightM64<0x2e, "swr", MipsSWR>;
+def LWL64 : LoadLeftRight<"lwl", MipsLWL, GPR64Opnd, II_LWL>, LW_FM<0x22>;
+def LWR64 : LoadLeftRight<"lwr", MipsLWR, GPR64Opnd, II_LWR>, LW_FM<0x26>;
+def SWL64 : StoreLeftRight<"swl", MipsSWL, GPR64Opnd, II_SWL>, LW_FM<0x2a>;
+def SWR64 : StoreLeftRight<"swr", MipsSWR, GPR64Opnd, II_SWR>, LW_FM<0x2e>;
}
-defm LDL : LoadLeftRightM64<0x1a, "ldl", MipsLDL>;
-defm LDR : LoadLeftRightM64<0x1b, "ldr", MipsLDR>;
-defm SDL : StoreLeftRightM64<0x2c, "sdl", MipsSDL>;
-defm SDR : StoreLeftRightM64<0x2d, "sdr", MipsSDR>;
+
+def LDL : LoadLeftRight<"ldl", MipsLDL, GPR64Opnd, II_LDL>, LW_FM<0x1a>,
+ ISA_MIPS3_NOT_32R6_64R6;
+def LDR : LoadLeftRight<"ldr", MipsLDR, GPR64Opnd, II_LDR>, LW_FM<0x1b>,
+ ISA_MIPS3_NOT_32R6_64R6;
+def SDL : StoreLeftRight<"sdl", MipsSDL, GPR64Opnd, II_SDL>, LW_FM<0x2c>,
+ ISA_MIPS3_NOT_32R6_64R6;
+def SDR : StoreLeftRight<"sdr", MipsSDR, GPR64Opnd, II_SDR>, LW_FM<0x2d>,
+ ISA_MIPS3_NOT_32R6_64R6;
/// Load-linked, Store-conditional
-def LLD : LLBase<0x34, "lld", CPU64Regs, mem>,
- Requires<[NotN64, HasStandardEncoding]>;
-def LLD_P8 : LLBase<0x34, "lld", CPU64Regs, mem64>,
- Requires<[IsN64, HasStandardEncoding]> {
- let isCodeGenOnly = 1;
-}
-def SCD : SCBase<0x3c, "scd", CPU64Regs, mem>,
- Requires<[NotN64, HasStandardEncoding]>;
-def SCD_P8 : SCBase<0x3c, "scd", CPU64Regs, mem64>,
- Requires<[IsN64, HasStandardEncoding]> {
- let isCodeGenOnly = 1;
-}
+def LLD : LLBase<"lld", GPR64Opnd>, LW_FM<0x34>, ISA_MIPS3;
+def SCD : SCBase<"scd", GPR64Opnd>, LW_FM<0x3c>, ISA_MIPS3;
/// Jump and Branch Instructions
-def JR64 : IndirectBranch<CPU64Regs>;
-def BEQ64 : CBranch<0x04, "beq", seteq, CPU64Regs>;
-def BNE64 : CBranch<0x05, "bne", setne, CPU64Regs>;
-def BGEZ64 : CBranchZero<0x01, 1, "bgez", setge, CPU64Regs>;
-def BGTZ64 : CBranchZero<0x07, 0, "bgtz", setgt, CPU64Regs>;
-def BLEZ64 : CBranchZero<0x06, 0, "blez", setle, CPU64Regs>;
-def BLTZ64 : CBranchZero<0x01, 0, "bltz", setlt, CPU64Regs>;
+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 : TailCallReg<GPR64Opnd, JR, GPR32Opnd>;
}
-let DecoderNamespace = "Mips64" in
-def JALR64 : JumpLinkReg<0x00, 0x09, "jalr", CPU64Regs>;
-def TAILCALL64_R : JumpFR<CPU64Regs, MipsTailCall>, IsTailCall;
-let DecoderNamespace = "Mips64" in {
/// Multiply and Divide Instructions.
-def DMULT : Mult64<0x1c, "dmult", IIImul>;
-def DMULTu : Mult64<0x1d, "dmultu", IIImul>;
-def DSDIV : Div64<MipsDivRem, 0x1e, "ddiv", IIIdiv>;
-def DUDIV : Div64<MipsDivRemU, 0x1f, "ddivu", IIIdiv>;
+def DMULT : Mult<"dmult", II_DMULT, GPR64Opnd, [HI0_64, LO0_64]>,
+ MULT_FM<0, 0x1c>, ISA_MIPS3;
+def DMULTu : Mult<"dmultu", II_DMULTU, GPR64Opnd, [HI0_64, LO0_64]>,
+ MULT_FM<0, 0x1d>, ISA_MIPS3;
+def PseudoDMULT : MultDivPseudo<DMULT, ACC128, GPR64Opnd, MipsMult,
+ II_DMULT>;
+def PseudoDMULTu : MultDivPseudo<DMULTu, ACC128, GPR64Opnd, MipsMultu,
+ II_DMULTU>;
+def DSDIV : Div<"ddiv", II_DDIV, GPR64Opnd, [HI0_64, LO0_64]>,
+ MULT_FM<0, 0x1e>, ISA_MIPS3;
+def DUDIV : Div<"ddivu", II_DDIVU, GPR64Opnd, [HI0_64, LO0_64]>,
+ MULT_FM<0, 0x1f>, ISA_MIPS3;
+def PseudoDSDIV : MultDivPseudo<DSDIV, ACC128, GPR64Opnd, MipsDivRem,
+ II_DDIV, 0, 1, 1>;
+def PseudoDUDIV : MultDivPseudo<DUDIV, ACC128, GPR64Opnd, MipsDivRemU,
+ II_DDIVU, 0, 1, 1>;
-def MTHI64 : MoveToLOHI<0x11, "mthi", CPU64Regs, [HI64]>;
-def MTLO64 : MoveToLOHI<0x13, "mtlo", CPU64Regs, [LO64]>;
-def MFHI64 : MoveFromLOHI<0x10, "mfhi", CPU64Regs, [HI64]>;
-def MFLO64 : MoveFromLOHI<0x12, "mflo", CPU64Regs, [LO64]>;
+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<0x10, "seb", i8, CPU64Regs>;
-def SEH64 : SignExtInReg<0x18, "seh", i16, CPU64Regs>;
+def SEB64 : SignExtInReg<"seb", i8, GPR64Opnd, II_SEB>, SEB_FM<0x10, 0x20>,
+ ISA_MIPS32R2;
+def SEH64 : SignExtInReg<"seh", i16, GPR64Opnd, II_SEH>, SEB_FM<0x18, 0x20>,
+ ISA_MIPS32R2;
+}
/// Count Leading
-def DCLZ : CountLeading0<0x24, "dclz", CPU64Regs>;
-def DCLO : CountLeading1<0x25, "dclo", CPU64Regs>;
+def DCLZ : CountLeading0<"dclz", GPR64Opnd>, CLO_FM<0x24>, ISA_MIPS64;
+def DCLO : CountLeading1<"dclo", GPR64Opnd>, CLO_FM<0x25>, ISA_MIPS64;
/// Double Word Swap Bytes/HalfWords
-def DSBH : SubwordSwap<0x24, 0x2, "dsbh", CPU64Regs>;
-def DSHD : SubwordSwap<0x24, 0x5, "dshd", CPU64Regs>;
+def DSBH : SubwordSwap<"dsbh", GPR64Opnd>, SEB_FM<2, 0x24>, ISA_MIPS64R2;
+def DSHD : SubwordSwap<"dshd", GPR64Opnd>, SEB_FM<5, 0x24>, ISA_MIPS64R2;
+
+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 LEA_ADDiu64 : EffectiveAddress<0x19,"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>;
+def DINS : InsBase<"dins", GPR64Opnd, uimm6, MipsIns>, EXT_FM<7>;
+def DINSU : InsBase<"dinsu", GPR64Opnd, uimm6>, EXT_FM<6>;
+def DINSM : InsBase<"dinsm", GPR64Opnd, uimm5>, EXT_FM<5>;
+
+let isCodeGenOnly = 1, rs = 0, shamt = 0 in {
+ def DSLL64_32 : FR<0x00, 0x3c, (outs GPR64:$rd), (ins GPR32:$rt),
+ "dsll\t$rd, $rt, 32", [], II_DSLL>;
+ def SLL64_32 : FR<0x0, 0x00, (outs GPR64:$rd), (ins GPR32:$rt),
+ "sll\t$rd, $rt, 0", [], II_SLL>;
+ def SLL64_64 : FR<0x0, 0x00, (outs GPR64:$rd), (ins GPR64:$rt),
+ "sll\t$rd, $rt, 0", [], II_SLL>;
}
-let Uses = [SP_64], DecoderNamespace = "Mips64" in
-def DynAlloc64 : EffectiveAddress<0x19,"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>,
- Requires<[IsN64, HasStandardEncoding]>;
-let DecoderNamespace = "Mips64" in {
-def RDHWR64 : ReadHardware<CPU64Regs, HWRegs64>;
-def DEXT : ExtBase<3, "dext", CPU64Regs>;
-let Pattern = []<dag> in {
- def DEXTU : ExtBase<2, "dextu", CPU64Regs>;
- def DEXTM : ExtBase<1, "dextm", CPU64Regs>;
+// We need the following two pseudo instructions to avoid offset calculation for
+// long branches. See the comment in file MipsLongBranch.cpp for detailed
+// explanation.
+
+// Expands to: lui $dst, %highest($tgt - $baltgt)
+def LONG_BRANCH_LUi64 : PseudoSE<(outs GPR64Opnd:$dst),
+ (ins brtarget:$tgt, brtarget:$baltgt), []>;
+
+// Expands to: daddiu $dst, $src, %PART($tgt - $baltgt)
+// where %PART may be %higher, %hi or %lo, depending on the relocation kind
+// that $tgt is annotated with.
+def LONG_BRANCH_DADDiu : PseudoSE<(outs GPR64Opnd:$dst),
+ (ins GPR64Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
+
+// Cavium Octeon cmMIPS instructions
+let EncodingPredicates = []<Predicate>, // FIXME: The lack of HasStdEnc is probably a bug
+ AdditionalPredicates = [HasCnMips] in {
+
+class Count1s<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [(set RO:$rd, (ctpop RO:$rs))], II_POP, FrmR, opstr> {
+ let TwoOperandAliasConstraint = "$rd = $rs";
}
-def DINS : InsBase<7, "dins", CPU64Regs>;
-let Pattern = []<dag> in {
- def DINSU : InsBase<6, "dinsu", CPU64Regs>;
- def DINSM : InsBase<5, "dinsm", CPU64Regs>;
+
+class ExtsCins<string opstr, SDPatternOperator Op = null_frag>:
+ InstSE<(outs GPR64Opnd:$rt), (ins GPR64Opnd:$rs, uimm5:$pos, uimm5:$lenm1),
+ !strconcat(opstr, " $rt, $rs, $pos, $lenm1"),
+ [(set GPR64Opnd:$rt, (Op GPR64Opnd:$rs, imm:$pos, imm:$lenm1))],
+ NoItinerary, FrmR, opstr> {
+ let TwoOperandAliasConstraint = "$rt = $rs";
}
-let isCodeGenOnly = 1, rs = 0, shamt = 0 in {
- def DSLL64_32 : FR<0x00, 0x3c, (outs CPU64Regs:$rd), (ins CPURegs:$rt),
- "dsll\t$rd, $rt, 32", [], IIAlu>;
- def SLL64_32 : FR<0x0, 0x00, (outs CPU64Regs:$rd), (ins CPURegs:$rt),
- "sll\t$rd, $rt, 0", [], IIAlu>;
- def SLL64_64 : FR<0x0, 0x00, (outs CPU64Regs:$rd), (ins CPU64Regs:$rt),
- "sll\t$rd, $rt, 0", [], IIAlu>;
+class SetCC64_R<string opstr, PatFrag cond_op> :
+ InstSE<(outs GPR64Opnd:$rd), (ins GPR64Opnd:$rs, GPR64Opnd:$rt),
+ !strconcat(opstr, "\t$rd, $rs, $rt"),
+ [(set GPR64Opnd:$rd, (cond_op GPR64Opnd:$rs, GPR64Opnd:$rt))],
+ II_SEQ_SNE, FrmR, opstr> {
+ let TwoOperandAliasConstraint = "$rd = $rs";
}
+
+class SetCC64_I<string opstr, PatFrag cond_op>:
+ InstSE<(outs GPR64Opnd:$rt), (ins GPR64Opnd:$rs, simm10_64:$imm10),
+ !strconcat(opstr, "\t$rt, $rs, $imm10"),
+ [(set GPR64Opnd:$rt, (cond_op GPR64Opnd:$rs, immSExt10_64:$imm10))],
+ II_SEQI_SNEI, FrmI, opstr> {
+ let TwoOperandAliasConstraint = "$rt = $rs";
+}
+
+// Unsigned Byte Add
+let Pattern = [(set GPR64Opnd:$rd,
+ (and (add GPR64Opnd:$rs, GPR64Opnd:$rt), 255))] in
+def BADDu : ArithLogicR<"baddu", GPR64Opnd, 1, II_BADDU>,
+ ADD_FM<0x1c, 0x28>;
+
+// Multiply Doubleword to GPR
+let Defs = [HI0, LO0, P0, P1, P2] in
+def DMUL : ArithLogicR<"dmul", GPR64Opnd, 1, II_DMUL, mul>,
+ ADD_FM<0x1c, 0x03>;
+
+// Extract a signed bit field /+32
+def EXTS : ExtsCins<"exts">, EXTS_FM<0x3a>;
+def EXTS32: ExtsCins<"exts32">, EXTS_FM<0x3b>;
+
+// Clear and insert a bit field /+32
+def CINS : ExtsCins<"cins">, EXTS_FM<0x32>;
+def CINS32: ExtsCins<"cins32">, EXTS_FM<0x33>;
+
+// Move to multiplier/product register
+def MTM0 : MoveToLOHI<"mtm0", GPR64Opnd, [MPL0, P0, P1, P2]>, MTMR_FM<0x08>;
+def MTM1 : MoveToLOHI<"mtm1", GPR64Opnd, [MPL1, P0, P1, P2]>, MTMR_FM<0x0c>;
+def MTM2 : MoveToLOHI<"mtm2", GPR64Opnd, [MPL2, P0, P1, P2]>, MTMR_FM<0x0d>;
+def MTP0 : MoveToLOHI<"mtp0", GPR64Opnd, [P0]>, MTMR_FM<0x09>;
+def MTP1 : MoveToLOHI<"mtp1", GPR64Opnd, [P1]>, MTMR_FM<0x0a>;
+def MTP2 : MoveToLOHI<"mtp2", GPR64Opnd, [P2]>, MTMR_FM<0x0b>;
+
+// Count Ones in a Word/Doubleword
+def POP : Count1s<"pop", GPR32Opnd>, POP_FM<0x2c>;
+def DPOP : Count1s<"dpop", GPR64Opnd>, POP_FM<0x2d>;
+
+// Set on equal/not equal
+def SEQ : SetCC64_R<"seq", seteq>, SEQ_FM<0x2a>;
+def SEQi : SetCC64_I<"seqi", seteq>, SEQI_FM<0x2e>;
+def SNE : SetCC64_R<"sne", setne>, SEQ_FM<0x2b>;
+def SNEi : SetCC64_I<"snei", setne>, SEQI_FM<0x2f>;
+
+// 192-bit x 64-bit Unsigned Multiply and Add
+let Defs = [P0, P1, P2] in
+def V3MULU: ArithLogicR<"v3mulu", GPR64Opnd, 0, II_DMUL>,
+ ADD_FM<0x1c, 0x11>;
+
+// 64-bit Unsigned Multiply and Add Move
+let Defs = [MPL0, P0, P1, P2] in
+def VMM0 : ArithLogicR<"vmm0", GPR64Opnd, 0, II_DMUL>,
+ ADD_FM<0x1c, 0x10>;
+
+// 64-bit Unsigned Multiply and Add
+let Defs = [MPL1, MPL2, P0, P1, P2] in
+def VMULU : ArithLogicR<"vmulu", GPR64Opnd, 0, II_DMUL>,
+ ADD_FM<0x1c, 0x0f>;
+
}
+
+}
+
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
// extended loads
-let Predicates = [NotN64, HasStandardEncoding] 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)>;
-}
-let Predicates = [IsN64, HasStandardEncoding] in {
- def : MipsPat<(i64 (extloadi1 addr:$src)), (LB64_P8 addr:$src)>;
- def : MipsPat<(i64 (extloadi8 addr:$src)), (LB64_P8 addr:$src)>;
- def : MipsPat<(i64 (extloadi16 addr:$src)), (LH64_P8 addr:$src)>;
- def : MipsPat<(i64 (extloadi32 addr:$src)), (LW64_P8 addr:$src)>;
-}
+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)>;
(DADDiu ZERO_64, tglobaltlsaddr:$in)>;
def : MipsPat<(MipsLo texternalsym:$in), (DADDiu ZERO_64, texternalsym:$in)>;
-def : MipsPat<(add CPU64Regs:$hi, (MipsLo tglobaladdr:$lo)),
- (DADDiu CPU64Regs:$hi, tglobaladdr:$lo)>;
-def : MipsPat<(add CPU64Regs:$hi, (MipsLo tblockaddress:$lo)),
- (DADDiu CPU64Regs:$hi, tblockaddress:$lo)>;
-def : MipsPat<(add CPU64Regs:$hi, (MipsLo tjumptable:$lo)),
- (DADDiu CPU64Regs:$hi, tjumptable:$lo)>;
-def : MipsPat<(add CPU64Regs:$hi, (MipsLo tconstpool:$lo)),
- (DADDiu CPU64Regs:$hi, tconstpool:$lo)>;
-def : MipsPat<(add CPU64Regs:$hi, (MipsLo tglobaltlsaddr:$lo)),
- (DADDiu CPU64Regs:$hi, tglobaltlsaddr:$lo)>;
-
-def : WrapperPat<tglobaladdr, DADDiu, CPU64Regs>;
-def : WrapperPat<tconstpool, DADDiu, CPU64Regs>;
-def : WrapperPat<texternalsym, DADDiu, CPU64Regs>;
-def : WrapperPat<tblockaddress, DADDiu, CPU64Regs>;
-def : WrapperPat<tjumptable, DADDiu, CPU64Regs>;
-def : WrapperPat<tglobaltlsaddr, DADDiu, CPU64Regs>;
-
-defm : BrcondPats<CPU64Regs, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
+def : MipsPat<(add GPR64:$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:$lo)>;
+
+def : WrapperPat<tglobaladdr, DADDiu, GPR64>;
+def : WrapperPat<tconstpool, DADDiu, GPR64>;
+def : WrapperPat<texternalsym, DADDiu, GPR64>;
+def : WrapperPat<tblockaddress, DADDiu, GPR64>;
+def : WrapperPat<tjumptable, DADDiu, GPR64>;
+def : WrapperPat<tglobaltlsaddr, DADDiu, GPR64>;
+
+defm : BrcondPats<GPR64, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
ZERO_64>;
-// setcc patterns
-defm : SeteqPats<CPU64Regs, SLTiu64, XOR64, SLTu64, ZERO_64>;
-defm : SetlePats<CPU64Regs, SLT64, SLTu64>;
-defm : SetgtPats<CPU64Regs, SLT64, SLTu64>;
-defm : SetgePats<CPU64Regs, SLT64, SLTu64>;
-defm : SetgeImmPats<CPU64Regs, SLTi64, SLTiu64>;
+def : MipsPat<(brcond (i32 (setlt i64:$lhs, 1)), bb:$dst),
+ (BLEZ64 i64:$lhs, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setgt i64:$lhs, -1)), bb:$dst),
+ (BGEZ64 i64:$lhs, bb:$dst)>;
-// select MipsDynAlloc
-def : MipsPat<(MipsDynAlloc addr:$f), (DynAlloc64 addr:$f)>,
- Requires<[IsN64, HasStandardEncoding]>;
+// setcc patterns
+defm : SeteqPats<GPR64, SLTiu64, XOR64, SLTu64, ZERO_64>;
+defm : SetlePats<GPR64, SLT64, SLTu64>;
+defm : SetgtPats<GPR64, SLT64, SLTu64>;
+defm : SetgePats<GPR64, SLT64, SLTu64>;
+defm : SetgeImmPats<GPR64, SLTi64, SLTiu64>;
// truncate
-def : MipsPat<(i32 (trunc CPU64Regs:$src)),
- (SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>,
- Requires<[IsN64, HasStandardEncoding]>;
+def : MipsPat<(i32 (trunc GPR64:$src)),
+ (SLL (EXTRACT_SUBREG GPR64:$src, sub_32), 0)>;
// 32-to-64-bit extension
-def : MipsPat<(i64 (anyext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
-def : MipsPat<(i64 (zext CPURegs:$src)), (DSRL (DSLL64_32 CPURegs:$src), 32)>;
-def : MipsPat<(i64 (sext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
+def : MipsPat<(i64 (anyext GPR32:$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:$src)>;
// Sign extend in register
-def : MipsPat<(i64 (sext_inreg CPU64Regs:$src, i32)),
- (SLL64_64 CPU64Regs:$src)>;
+def : MipsPat<(i64 (sext_inreg GPR64:$src, i32)),
+ (SLL64_64 GPR64:$src)>;
// bswap MipsPattern
-def : MipsPat<(bswap CPU64Regs:$rt), (DSHD (DSBH CPU64Regs:$rt))>;
+def : MipsPat<(bswap GPR64:$rt), (DSHD (DSBH GPR64:$rt))>;
//===----------------------------------------------------------------------===//
// Instruction aliases
//===----------------------------------------------------------------------===//
-def : InstAlias<"move $dst,$src", (DADD CPU64Regs:$dst,CPU64Regs:$src,ZERO_64)>;
+def : MipsInstAlias<"move $dst, $src",
+ (DADDu GPR64Opnd:$dst, GPR64Opnd:$src, ZERO_64), 1>,
+ GPR_64;
+def : MipsInstAlias<"daddu $rs, $rt, $imm",
+ (DADDiu GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm),
+ 0>;
+def : MipsInstAlias<"dadd $rs, $rt, $imm",
+ (DADDi GPR64Opnd:$rs, GPR64Opnd:$rt, simm16_64:$imm),
+ 0>;
+def : MipsInstAlias<"daddu $rs, $imm",
+ (DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs, simm16_64:$imm),
+ 0>;
+def : MipsInstAlias<"dadd $rs, $imm",
+ (DADDi GPR64Opnd:$rs, GPR64Opnd:$rs, simm16_64:$imm),
+ 0>;
+def : MipsInstAlias<"add $rs, $imm",
+ (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm),
+ 0>;
+def : MipsInstAlias<"addu $rs, $imm",
+ (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm),
+ 0>;
+def : MipsInstAlias<"dsll $rd, $rt, $rs",
+ (DSLLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
+ ISA_MIPS3;
+def : MipsInstAlias<"dsubu $rt, $rs, $imm",
+ (DADDiu GPR64Opnd:$rt, GPR64Opnd:$rs,
+ InvertedImOperand64:$imm), 0>;
+def : MipsInstAlias<"dsub $rs, $imm",
+ (DADDi GPR64Opnd:$rs, GPR64Opnd:$rs,
+ InvertedImOperand64:$imm),
+ 0>;
+def : MipsInstAlias<"dsubu $rs, $imm",
+ (DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs,
+ InvertedImOperand64:$imm),
+ 0>;
+def : MipsInstAlias<"dsra $rd, $rt, $rs",
+ (DSRAV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
+ ISA_MIPS3;
+def : MipsInstAlias<"dsrl $rd, $rt, $rs",
+ (DSRLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>,
+ ISA_MIPS3;
/// Move between CPU and coprocessor registers
-let DecoderNamespace = "Mips64" in {
-def MFC0_3OP64 : MFC3OP<0x10, 0, (outs CPU64Regs:$rt),
- (ins CPU64Regs:$rd, uimm16:$sel),"mfc0\t$rt, $rd, $sel">;
-def MTC0_3OP64 : MFC3OP<0x10, 4, (outs CPU64Regs:$rd, uimm16:$sel),
- (ins CPU64Regs:$rt),"mtc0\t$rt, $rd, $sel">;
-def MFC2_3OP64 : MFC3OP<0x12, 0, (outs CPU64Regs:$rt),
- (ins CPU64Regs:$rd, uimm16:$sel),"mfc2\t$rt, $rd, $sel">;
-def MTC2_3OP64 : MFC3OP<0x12, 4, (outs CPU64Regs:$rd, uimm16:$sel),
- (ins CPU64Regs:$rt),"mtc2\t$rt, $rd, $sel">;
-def DMFC0_3OP64 : MFC3OP<0x10, 1, (outs CPU64Regs:$rt),
- (ins CPU64Regs:$rd, uimm16:$sel),"dmfc0\t$rt, $rd, $sel">;
-def DMTC0_3OP64 : MFC3OP<0x10, 5, (outs CPU64Regs:$rd, uimm16:$sel),
- (ins CPU64Regs:$rt),"dmtc0\t$rt, $rd, $sel">;
-def DMFC2_3OP64 : MFC3OP<0x12, 1, (outs CPU64Regs:$rt),
- (ins CPU64Regs:$rd, uimm16:$sel),"dmfc2\t$rt, $rd, $sel">;
-def DMTC2_3OP64 : MFC3OP<0x12, 5, (outs CPU64Regs:$rd, uimm16:$sel),
- (ins CPU64Regs:$rt),"dmtc2\t$rt, $rd, $sel">;
+let DecoderNamespace = "Mips64", Predicates = [HasMips64] in {
+def DMFC0 : MFC3OP<"dmfc0", GPR64Opnd>, MFC3OP_FM<0x10, 1>;
+def DMTC0 : MFC3OP<"dmtc0", GPR64Opnd>, MFC3OP_FM<0x10, 5>, ISA_MIPS3;
+def DMFC2 : MFC3OP<"dmfc2", GPR64Opnd>, MFC3OP_FM<0x12, 1>, ISA_MIPS3;
+def DMTC2 : MFC3OP<"dmtc2", GPR64Opnd>, MFC3OP_FM<0x12, 5>, ISA_MIPS3;
}
+
// Two operand (implicit 0 selector) versions:
-def : InstAlias<"mfc0 $rt, $rd", (MFC0_3OP64 CPU64Regs:$rt, CPU64Regs:$rd, 0)>;
-def : InstAlias<"mtc0 $rt, $rd", (MTC0_3OP64 CPU64Regs:$rd, 0, CPU64Regs:$rt)>;
-def : InstAlias<"mfc2 $rt, $rd", (MFC2_3OP64 CPU64Regs:$rt, CPU64Regs:$rd, 0)>;
-def : InstAlias<"mtc2 $rt, $rd", (MTC2_3OP64 CPU64Regs:$rd, 0, CPU64Regs:$rt)>;
-def : InstAlias<"dmfc0 $rt, $rd", (DMFC0_3OP64 CPU64Regs:$rt, CPU64Regs:$rd, 0)>;
-def : InstAlias<"dmtc0 $rt, $rd", (DMTC0_3OP64 CPU64Regs:$rd, 0, CPU64Regs:$rt)>;
-def : InstAlias<"dmfc2 $rt, $rd", (DMFC2_3OP64 CPU64Regs:$rt, CPU64Regs:$rd, 0)>;
-def : InstAlias<"dmtc2 $rt, $rd", (DMTC2_3OP64 CPU64Regs:$rd, 0, CPU64Regs:$rt)>;
+def : MipsInstAlias<"dmfc0 $rt, $rd", (DMFC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
+def : MipsInstAlias<"dmtc0 $rt, $rd", (DMTC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
+def : MipsInstAlias<"dmfc2 $rt, $rd", (DMFC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
+def : MipsInstAlias<"dmtc2 $rt, $rd", (DMTC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;