//
//===----------------------------------------------------------------------===//
-//===----------------------------------------------------------------------===//
-// Mips64 Instruction Predicate Definitions.
-//===----------------------------------------------------------------------===//
-def HasMips64 : Predicate<"Subtarget.hasMips64()">;
-def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">;
-
//===----------------------------------------------------------------------===//
// Mips Operand, Complex Patterns and Transformations Definitions.
//===----------------------------------------------------------------------===//
// Transformation Function - get Imm - 32.
def Subtract32 : SDNodeXForm<imm, [{
- return getI32Imm((unsigned)N->getZExtValue() - 32);
+ return getImm(N, (unsigned)N->getZExtValue() - 32);
}]>;
-// imm32_63 predicate - True if imm is in range [32, 63].
-def imm32_63 : ImmLeaf<i64,
- [{return (int32_t)Imm >= 32 && (int32_t)Imm < 64;}],
- Subtract32>;
+// shamt must fit in 6 bits.
+def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>;
//===----------------------------------------------------------------------===//
// Instructions specific format
//===----------------------------------------------------------------------===//
-
-// Arithmetic 3 register operands
-class ArithR64<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
- InstrItinClass itin, bit isComm = 0>:
- FR<op, func, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, CPU64Regs:$c),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, CPU64Regs:$c))], itin> {
- let isCommutable = isComm;
-}
-
-// Arithmetic 2 register operands
-class ArithI64<bits<6> op, string instr_asm, SDNode OpNode,
- Operand Od, PatLeaf imm_type> :
- FI<op, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, Od:$c),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, imm_type:$c))], IIAlu>;
-
-// Logical
-let isCommutable = 1 in
-class LogicR64<bits<6> func, string instr_asm, SDNode OpNode>:
- FR<0x00, func, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, CPU64Regs:$c),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, CPU64Regs:$c))], IIAlu>;
-
-class LogicI64<bits<6> op, string instr_asm, SDNode OpNode>:
- FI<op, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, uimm16_64:$c),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, immZExt16:$c))], IIAlu>;
-
-let isCommutable = 1 in
-class LogicNOR64<bits<6> op, bits<6> func, string instr_asm>:
- FR<op, func, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, CPU64Regs:$c),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (not (or CPU64Regs:$b, CPU64Regs:$c)))], IIAlu>;
-
// Shifts
-class LogicR_shift_rotate_imm64<bits<6> func, bits<5> _rs, string instr_asm,
- SDNode OpNode, PatFrag PF>:
- FR<0x00, func, (outs CPU64Regs:$dst), (ins CPU64Regs:$b, shamt_64:$c),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, (i64 PF:$c)))],
- IIAlu> {
- let rs = _rs;
-}
-
-class LogicR_shift_rotate_reg64<bits<6> func, bits<5> _shamt, string instr_asm,
- SDNode OpNode>:
- FR<0x00, func, (outs CPU64Regs:$dst), (ins CPU64Regs:$c, CPU64Regs:$b),
- !strconcat(instr_asm, "\t$dst, $b, $c"),
- [(set CPU64Regs:$dst, (OpNode CPU64Regs:$b, CPU64Regs:$c))], IIAlu> {
- let shamt = _shamt;
-}
+// 64-bit shift instructions.
+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
-let Defs = [HI64, LO64] in {
- let isCommutable = 1 in
- class Mul64<bits<6> func, string instr_asm, InstrItinClass itin>:
- FR<0x00, func, (outs), (ins CPU64Regs:$a, CPU64Regs:$b),
- !strconcat(instr_asm, "\t$a, $b"), [], itin>;
-
- class Div64<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
- FR<0x00, func, (outs), (ins CPU64Regs:$a, CPU64Regs:$b),
- !strconcat(instr_asm, "\t$$zero, $a, $b"),
- [(op CPU64Regs:$a, CPU64Regs:$b)], itin>;
+class Mult64<bits<6> func, string instr_asm, InstrItinClass itin>:
+ Mult<func, instr_asm, itin, CPU64Regs, [HI64, LO64]>;
+class Div64<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
+ Div<op, func, instr_asm, itin, CPU64Regs, [HI64, LO64]>;
+
+multiclass Atomic2Ops64<PatFrag Op, string Opstr> {
+ def #NAME# : Atomic2Ops<Op, Opstr, CPU64Regs, CPURegs>, Requires<[NotN64]>;
+ def _P8 : Atomic2Ops<Op, Opstr, CPU64Regs, CPU64Regs>, Requires<[IsN64]>;
}
-// Move from Hi/Lo
-let shamt = 0 in {
-let rs = 0, rt = 0 in
-class MoveFromLOHI64<bits<6> func, string instr_asm>:
- FR<0x00, func, (outs CPU64Regs:$dst), (ins),
- !strconcat(instr_asm, "\t$dst"), [], IIHiLo>;
-
-let rt = 0, rd = 0 in
-class MoveToLOHI64<bits<6> func, string instr_asm>:
- FR<0x00, func, (outs), (ins CPU64Regs:$src),
- !strconcat(instr_asm, "\t$src"), [], IIHiLo>;
+multiclass AtomicCmpSwap64<PatFrag Op, string Width> {
+ def #NAME# : AtomicCmpSwap<Op, Width, CPU64Regs, CPURegs>, Requires<[NotN64]>;
+ def _P8 : AtomicCmpSwap<Op, Width, CPU64Regs, CPU64Regs>,
+ Requires<[IsN64]>;
}
-// Count Leading Ones/Zeros in Word
-class CountLeading64<bits<6> func, string instr_asm, list<dag> pattern>:
- FR<0x1c, func, (outs CPU64Regs:$dst), (ins CPU64Regs:$src),
- !strconcat(instr_asm, "\t$dst, $src"), pattern, IIAlu>,
- Requires<[HasBitCount]> {
- let shamt = 0;
- let rt = rd;
+let usesCustomInserter = 1, Predicates = [HasMips64] 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">;
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
/// Arithmetic Instructions (ALU Immediate)
-def DADDiu : ArithI64<0x19, "daddiu", add, simm16_64, immSExt16>;
-def DANDi : LogicI64<0x0c, "andi", and>;
-def DORi : LogicI64<0x0d, "ori", or>;
-def DXORi : LogicI64<0x0e, "xori", xor>;
+def DADDiu : ArithLogicI<0x19, "daddiu", add, simm16_64, immSExt16,
+ CPU64Regs>;
+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>;
/// Arithmetic Instructions (3-Operand, R-Type)
-def DADDu : ArithR64<0x00, 0x2d, "daddu", add, IIAlu, 1>;
-def DSUBu : ArithR64<0x00, 0x2f, "dsubu", sub, IIAlu>;
-def DAND : LogicR64<0x24, "and", and>;
-def DOR : LogicR64<0x25, "or", or>;
-def DXOR : LogicR64<0x26, "xor", xor>;
-def DNOR : LogicNOR64<0x00, 0x27, "nor">;
+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>;
/// Shift Instructions
-def DSLL : LogicR_shift_rotate_imm64<0x38, 0x00, "dsll", shl, immZExt5>;
-def DSRL : LogicR_shift_rotate_imm64<0x3a, 0x00, "dsrl", srl, immZExt5>;
-def DSRA : LogicR_shift_rotate_imm64<0x3b, 0x00, "dsra", sra, immZExt5>;
-def DSLL32 : LogicR_shift_rotate_imm64<0x3c, 0x00, "dsll32", shl, imm32_63>;
-def DSRL32 : LogicR_shift_rotate_imm64<0x3e, 0x00, "dsrl32", srl, imm32_63>;
-def DSRA32 : LogicR_shift_rotate_imm64<0x3f, 0x00, "dsra32", sra, imm32_63>;
-def DSLLV : LogicR_shift_rotate_reg64<0x24, 0x00, "dsllv", shl>;
-def DSRLV : LogicR_shift_rotate_reg64<0x26, 0x00, "dsrlv", srl>;
-def DSRAV : LogicR_shift_rotate_reg64<0x27, 0x00, "dsrav", sra>;
+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<0x24, 0x00, "dsllv", shl, CPU64Regs>;
+def DSRLV : shift_rotate_reg<0x26, 0x00, "dsrlv", srl, CPU64Regs>;
+def DSRAV : shift_rotate_reg<0x27, 0x00, "dsrav", sra, CPU64Regs>;
// Rotate Instructions
let Predicates = [HasMips64r2] in {
- def DROTR : LogicR_shift_rotate_imm64<0x3a, 0x01, "drotr", rotr, immZExt5>;
- def DROTR32 : LogicR_shift_rotate_imm64<0x3e, 0x01, "drotr32", rotr,
- imm32_63>;
- def DROTRV : LogicR_shift_rotate_reg64<0x16, 0x01, "drotrv", rotr>;
+ def DROTR : shift_rotate_imm64<0x3a, 0x01, "drotr", rotr>;
+ def DROTRV : shift_rotate_reg<0x16, 0x01, "drotrv", rotr, CPU64Regs>;
}
/// Load and Store Instructions
-/// aligned
+/// aligned
defm LB64 : LoadM64<0x20, "lb", sextloadi8>;
defm LBu64 : LoadM64<0x24, "lbu", zextloadi8>;
defm LH64 : LoadM64<0x21, "lh", sextloadi16_a>;
defm ULD : LoadM64<0x37, "uld", load_u, 1>;
defm USD : StoreM64<0x3f, "usd", store_u, 1>;
+/// Load-linked, Store-conditional
+def LLD : LLBase<0x34, "lld", CPU64Regs, mem>, Requires<[NotN64]>;
+def LLD_P8 : LLBase<0x34, "lld", CPU64Regs, mem64>, Requires<[IsN64]>;
+def SCD : SCBase<0x3c, "scd", CPU64Regs, mem>, Requires<[NotN64]>;
+def SCD_P8 : SCBase<0x3c, "scd", CPU64Regs, mem64>, Requires<[IsN64]>;
+
+/// Jump and Branch Instructions
+def JR64 : JumpFR<0x00, 0x08, "jr", 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<0x07, 0, "blez", setle, CPU64Regs>;
+def BLTZ64 : CBranchZero<0x01, 0, "bltz", setlt, CPU64Regs>;
+
+// NOTE: These registers are N64's temporary registers. N32 has a different
+// set of temporary registers.
+let Defs = [AT_64, V0_64, V1_64, A0_64, A1_64, A2_64, A3_64, T0_64, T1_64,
+ T2_64, T3_64, T4_64, T5_64, T6_64, T7_64, T8_64, T9_64, K0_64,
+ K1_64, D0_64, D1_64, D2_64, D3_64, D4_64, D5_64, D6_64, D7_64,
+ D8_64, D9_64, D10_64, D11_64, D12_64, D13_64, D14_64, D15_64,
+ D16_64, D17_64, D18_64, D19_64, D20_64, D21_64, D22_64, D23_64] in
+def JALR64 : JumpLinkReg<0x00, 0x09, "jalr", CPU64Regs>;
+
/// Multiply and Divide Instructions.
-def DMULT : Mul64<0x1c, "dmult", IIImul>;
-def DMULTu : Mul64<0x1d, "dmultu", IIImul>;
+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>;
-let Defs = [HI64] in
- def MTHI64 : MoveToLOHI64<0x11, "mthi">;
-let Defs = [LO64] in
- def MTLO64 : MoveToLOHI64<0x13, "mtlo">;
+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 Uses = [HI64] in
- def MFHI64 : MoveFromLOHI64<0x10, "mfhi">;
-let Uses = [LO64] in
- def MFLO64 : MoveFromLOHI64<0x12, "mflo">;
+/// Sign Ext In Register Instructions.
+def SEB64 : SignExtInReg<0x10, "seb", i8, CPU64Regs>;
+def SEH64 : SignExtInReg<0x18, "seh", i16, CPU64Regs>;
/// Count Leading
-def DCLZ : CountLeading64<0x24, "dclz",
- [(set CPU64Regs:$dst, (ctlz CPU64Regs:$src))]>;
-def DCLO : CountLeading64<0x25, "dclo",
- [(set CPU64Regs:$dst, (ctlz (not CPU64Regs:$src)))]>;
+def DCLZ : CountLeading0<0x24, "dclz", CPU64Regs>;
+def DCLO : CountLeading1<0x25, "dclo", CPU64Regs>;
+
+/// Double Word Swap Bytes/HalfWords
+def DSBH : SubwordSwap<0x24, 0x2, "dsbh", CPU64Regs>;
+def DSHD : SubwordSwap<0x24, 0x5, "dshd", CPU64Regs>;
+
+def LEA_ADDiu64 : EffectiveAddress<"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>;
+
+let Uses = [SP_64] in
+def DynAlloc64 : EffectiveAddress<"daddiu\t$rt, $addr", CPU64Regs, mem_ea_64>,
+ Requires<[IsN64]>;
+
+def RDHWR64 : ReadHardware<CPU64Regs, HWRegs64>;
+
+def DEXT : ExtBase<3, "dext", CPU64Regs>;
+def DINS : InsBase<7, "dins", CPU64Regs>;
+
+def DSLL64_32 : FR<0x3c, 0x00, (outs CPU64Regs:$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, $rt, 0", [], IIAlu>;
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
-// Small immediates
-def : Pat<(i64 immSExt16:$in),
- (DADDiu ZERO_64, imm:$in)>;
-def : Pat<(i64 immZExt16:$in),
- (DORi ZERO_64, imm:$in)>;
-
-// zextloadi32_u
-def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64_P8 addr:$a), 32), 32)>,
- Requires<[IsN64]>;
-def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64 addr:$a), 32), 32)>,
- Requires<[NotN64]>;
+// extended loads
+let Predicates = [NotN64] in {
+ def : Pat<(i64 (extloadi1 addr:$src)), (LB64 addr:$src)>;
+ def : Pat<(i64 (extloadi8 addr:$src)), (LB64 addr:$src)>;
+ def : Pat<(i64 (extloadi16_a addr:$src)), (LH64 addr:$src)>;
+ def : Pat<(i64 (extloadi16_u addr:$src)), (ULH64 addr:$src)>;
+ def : Pat<(i64 (extloadi32_a addr:$src)), (LW64 addr:$src)>;
+ def : Pat<(i64 (extloadi32_u addr:$src)), (ULW64 addr:$src)>;
+ def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64 addr:$a), 32), 32)>;
+}
+let Predicates = [IsN64] in {
+ def : Pat<(i64 (extloadi1 addr:$src)), (LB64_P8 addr:$src)>;
+ def : Pat<(i64 (extloadi8 addr:$src)), (LB64_P8 addr:$src)>;
+ def : Pat<(i64 (extloadi16_a addr:$src)), (LH64_P8 addr:$src)>;
+ def : Pat<(i64 (extloadi16_u addr:$src)), (ULH64_P8 addr:$src)>;
+ def : Pat<(i64 (extloadi32_a addr:$src)), (LW64_P8 addr:$src)>;
+ def : Pat<(i64 (extloadi32_u addr:$src)), (ULW64_P8 addr:$src)>;
+ def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64_P8 addr:$a), 32), 32)>;
+}
// hi/lo relocs
-def : Pat<(i64 (MipsLo tglobaladdr:$in)), (DADDiu ZERO_64, tglobaladdr:$in)>;
+def : Pat<(MipsHi tglobaladdr:$in), (LUi64 tglobaladdr:$in)>;
+def : Pat<(MipsHi tblockaddress:$in), (LUi64 tblockaddress:$in)>;
+def : Pat<(MipsHi tjumptable:$in), (LUi64 tjumptable:$in)>;
+def : Pat<(MipsHi tconstpool:$in), (LUi64 tconstpool:$in)>;
+def : Pat<(MipsHi tglobaltlsaddr:$in), (LUi64 tglobaltlsaddr:$in)>;
+
+def : Pat<(MipsLo tglobaladdr:$in), (DADDiu ZERO_64, tglobaladdr:$in)>;
+def : Pat<(MipsLo tblockaddress:$in), (DADDiu ZERO_64, tblockaddress:$in)>;
+def : Pat<(MipsLo tjumptable:$in), (DADDiu ZERO_64, tjumptable:$in)>;
+def : Pat<(MipsLo tconstpool:$in), (DADDiu ZERO_64, tconstpool:$in)>;
+def : Pat<(MipsLo tglobaltlsaddr:$in), (DADDiu ZERO_64, tglobaltlsaddr:$in)>;
+
+def : Pat<(add CPU64Regs:$hi, (MipsLo tglobaladdr:$lo)),
+ (DADDiu CPU64Regs:$hi, tglobaladdr:$lo)>;
+def : Pat<(add CPU64Regs:$hi, (MipsLo tblockaddress:$lo)),
+ (DADDiu CPU64Regs:$hi, tblockaddress:$lo)>;
+def : Pat<(add CPU64Regs:$hi, (MipsLo tjumptable:$lo)),
+ (DADDiu CPU64Regs:$hi, tjumptable:$lo)>;
+def : Pat<(add CPU64Regs:$hi, (MipsLo tconstpool:$lo)),
+ (DADDiu CPU64Regs:$hi, tconstpool:$lo)>;
+def : Pat<(add CPU64Regs:$hi, (MipsLo tglobaltlsaddr:$lo)),
+ (DADDiu CPU64Regs:$hi, tglobaltlsaddr:$lo)>;
+
+def : WrapperPat<tglobaladdr, DADDiu, CPU64Regs>;
+def : WrapperPat<tconstpool, DADDiu, CPU64Regs>;
+def : WrapperPat<texternalsym, DADDiu, CPU64Regs>;
+def : WrapperPat<tblockaddress, DADDiu, CPU64Regs>;
+def : WrapperPat<tjumptable, DADDiu, CPU64Regs>;
+def : WrapperPat<tglobaltlsaddr, DADDiu, CPU64Regs>;
+
+defm : BrcondPats<CPU64Regs, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
+ ZERO_64>;
+
+// setcc patterns
+defm : SeteqPats<CPU64Regs, SLTiu64, XOR64, SLTu64, ZERO_64>;
+defm : SetlePats<CPU64Regs, SLT64, SLTu64>;
+defm : SetgtPats<CPU64Regs, SLT64, SLTu64>;
+defm : SetgePats<CPU64Regs, SLT64, SLTu64>;
+defm : SetgeImmPats<CPU64Regs, SLTi64, SLTiu64>;
+
+// select MipsDynAlloc
+def : Pat<(MipsDynAlloc addr:$f), (DynAlloc64 addr:$f)>, Requires<[IsN64]>;
+
+// truncate
+def : Pat<(i32 (trunc CPU64Regs:$src)),
+ (SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>, Requires<[IsN64]>;
+
+// 32-to-64-bit extension
+def : Pat<(i64 (anyext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
+def : Pat<(i64 (zext CPURegs:$src)), (DSRL (DSLL64_32 CPURegs:$src), 32)>;
+def : Pat<(i64 (sext CPURegs:$src)), (SLL64_32 CPURegs:$src)>;
+
+// Sign extend in register
+def : Pat<(i64 (sext_inreg CPU64Regs:$src, i32)), (SLL64_64 CPU64Regs:$src)>;
+
+// bswap pattern
+def : Pat<(bswap CPU64Regs:$rt), (DSHD (DSBH CPU64Regs:$rt))>;