SDTCisInt<4>]>;
def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
-def SDT_MipsMAddMSub : SDTypeProfile<0, 4,
- [SDTCisVT<0, i32>, SDTCisSameAs<0, 1>,
- SDTCisSameAs<1, 2>,
- SDTCisSameAs<2, 3>]>;
-def SDT_MipsDivRem : SDTypeProfile<0, 2,
- [SDTCisInt<0>,
- SDTCisSameAs<0, 1>]>;
+def SDT_ExtractLOHI : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisVT<1, untyped>,
+ SDTCisVT<2, i32>]>;
+def SDT_InsertLOHI : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>,
+ SDTCisVT<1, i32>,
+ SDTCisSameAs<1, 2>]>;
+def SDT_MipsMultDiv : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>, SDTCisInt<1>,
+ SDTCisSameAs<1, 2>]>;
+def SDT_MipsMAddMSub : SDTypeProfile<1, 3,
+ [SDTCisVT<0, untyped>, SDTCisSameAs<0, 3>,
+ SDTCisVT<1, i32>, SDTCisSameAs<1, 2>]>;
+def SDT_MipsDivRem16 : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>]>;
def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
[SDNPHasChain, SDNPSideEffect,
SDNPOptInGlue, SDNPOutGlue]>;
+// Node used to extract integer from LO/HI register.
+def ExtractLOHI : SDNode<"MipsISD::ExtractLOHI", SDT_ExtractLOHI>;
+
+// Node used to insert 32-bit integers to LOHI register pair.
+def InsertLOHI : SDNode<"MipsISD::InsertLOHI", SDT_InsertLOHI>;
+
+// Mult nodes.
+def MipsMult : SDNode<"MipsISD::Mult", SDT_MipsMultDiv>;
+def MipsMultu : SDNode<"MipsISD::Multu", SDT_MipsMultDiv>;
+
// MAdd*/MSub* nodes
-def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub,
- [SDNPOptInGlue, SDNPOutGlue]>;
-def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub,
- [SDNPOptInGlue, SDNPOutGlue]>;
-def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub,
- [SDNPOptInGlue, SDNPOutGlue]>;
-def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub,
- [SDNPOptInGlue, SDNPOutGlue]>;
+def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub>;
+def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub>;
+def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub>;
+def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub>;
// DivRem(u) nodes
-def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsDivRem,
+def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsMultDiv>;
+def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsMultDiv>;
+def MipsDivRem16 : SDNode<"MipsISD::DivRem16", SDT_MipsDivRem16,
[SDNPOutGlue]>;
-def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsDivRem,
+def MipsDivRemU16 : SDNode<"MipsISD::DivRemU16", SDT_MipsDivRem16,
[SDNPOutGlue]>;
// Target constant nodes that are not part of any isel patterns and remain
AssemblerPredicate<"FeatureMips32">;
def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
AssemblerPredicate<"!FeatureMips16">;
+def NotDSP : Predicate<"!Subtarget.hasDSP()">;
class MipsPat<dag pattern, dag result> : Pat<pattern, result> {
let Predicates = [HasStdEnc];
SDPatternOperator OpNode = null_frag>:
InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
!strconcat(opstr, "\t$rd, $rs, $rt"),
- [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR> {
+ [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
let isCommutable = isComm;
let isReMaterializable = 1;
- string BaseOpcode;
- string Arch;
}
// Arithmetic and logical instructions with 2 register operands.
SDPatternOperator OpNode = null_frag> :
InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
!strconcat(opstr, "\t$rt, $rs, $imm16"),
- [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))], IIAlu, FrmI> {
+ [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
+ IIAlu, FrmI, opstr> {
let isReMaterializable = 1;
+ let TwoOperandAliasConstraint = "$rs = $rt";
}
// Arithmetic Multiply ADD/SUB
-class MArithR<string opstr, SDPatternOperator op = null_frag, bit isComm = 0> :
+class MArithR<string opstr, bit isComm = 0> :
InstSE<(outs), (ins CPURegsOpnd:$rs, CPURegsOpnd:$rt),
- !strconcat(opstr, "\t$rs, $rt"),
- [(op CPURegsOpnd:$rs, CPURegsOpnd:$rt, LO, HI)], IIImul, FrmR> {
+ !strconcat(opstr, "\t$rs, $rt"), [], IIImul, FrmR> {
let Defs = [HI, LO];
let Uses = [HI, LO];
let isCommutable = isComm;
class LogicNOR<string opstr, RegisterOperand RC>:
InstSE<(outs RC:$rd), (ins RC:$rs, RC:$rt),
!strconcat(opstr, "\t$rd, $rs, $rt"),
- [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu, FrmR> {
+ [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu, FrmR, opstr> {
let isCommutable = 1;
}
SDPatternOperator PF = null_frag> :
InstSE<(outs RC:$rd), (ins RC:$rt, ImmOpnd:$shamt),
!strconcat(opstr, "\t$rd, $rt, $shamt"),
- [(set RC:$rd, (OpNode RC:$rt, PF:$shamt))], IIAlu, FrmR>;
+ [(set RC:$rd, (OpNode RC:$rt, PF:$shamt))], IIAlu, FrmR, opstr>;
class shift_rotate_reg<string opstr, RegisterOperand RC,
SDPatternOperator OpNode = null_frag>:
InstSE<(outs RC:$rd), (ins CPURegsOpnd:$rs, RC:$rt),
!strconcat(opstr, "\t$rd, $rt, $rs"),
- [(set RC:$rd, (OpNode RC:$rt, CPURegsOpnd:$rs))], IIAlu, FrmR>;
+ [(set RC:$rd, (OpNode RC:$rt, CPURegsOpnd:$rs))], IIAlu, FrmR, opstr>;
// Load Upper Imediate
class LoadUpper<string opstr, RegisterClass RC, Operand Imm>:
// Memory Load/Store
class Load<string opstr, SDPatternOperator OpNode, RegisterClass RC,
- Operand MemOpnd> :
+ Operand MemOpnd, ComplexPattern Addr, string ofsuffix> :
InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
- [(set RC:$rt, (OpNode addr:$addr))], NoItinerary, FrmI> {
+ [(set RC:$rt, (OpNode Addr:$addr))], NoItinerary, FrmI,
+ !strconcat(opstr, ofsuffix)> {
let DecoderMethod = "DecodeMem";
let canFoldAsLoad = 1;
+ let mayLoad = 1;
}
class Store<string opstr, SDPatternOperator OpNode, RegisterClass RC,
- Operand MemOpnd> :
+ Operand MemOpnd, ComplexPattern Addr, string ofsuffix> :
InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
- [(OpNode RC:$rt, addr:$addr)], NoItinerary, FrmI> {
+ [(OpNode RC:$rt, Addr:$addr)], NoItinerary, FrmI,
+ !strconcat(opstr, ofsuffix)> {
let DecoderMethod = "DecodeMem";
+ let mayStore = 1;
}
multiclass LoadM<string opstr, RegisterClass RC,
- SDPatternOperator OpNode = null_frag> {
- def NAME : Load<opstr, OpNode, RC, mem>, Requires<[NotN64, HasStdEnc]>;
- def _P8 : Load<opstr, OpNode, RC, mem64>, Requires<[IsN64, HasStdEnc]> {
+ SDPatternOperator OpNode = null_frag,
+ ComplexPattern Addr = addr> {
+ def NAME : Load<opstr, OpNode, RC, mem, Addr, "">,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Load<opstr, OpNode, RC, mem64, Addr, "_p8">,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
multiclass StoreM<string opstr, RegisterClass RC,
- SDPatternOperator OpNode = null_frag> {
- def NAME : Store<opstr, OpNode, RC, mem>, Requires<[NotN64, HasStdEnc]>;
- def _P8 : Store<opstr, OpNode, RC, mem64>, Requires<[IsN64, HasStdEnc]> {
+ SDPatternOperator OpNode = null_frag,
+ ComplexPattern Addr = addr> {
+ def NAME : Store<opstr, OpNode, RC, mem, Addr, "">,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Store<opstr, OpNode, RC, mem64, Addr, "_p8">,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
// Conditional Branch
-class CBranch<string opstr, PatFrag cond_op, RegisterClass RC> :
+class CBranch<string opstr, PatFrag cond_op, RegisterOperand RC> :
InstSE<(outs), (ins RC:$rs, RC:$rt, brtarget:$offset),
!strconcat(opstr, "\t$rs, $rt, $offset"),
[(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$offset)], IIBranch,
let Defs = [AT];
}
-class CBranchZero<string opstr, PatFrag cond_op, RegisterClass RC> :
+class CBranchZero<string opstr, PatFrag cond_op, RegisterOperand RC> :
InstSE<(outs), (ins RC:$rs, brtarget:$offset),
!strconcat(opstr, "\t$rs, $offset"),
[(brcond (i32 (cond_op RC:$rs, 0)), bb:$offset)], IIBranch, FrmI> {
class SetCC_R<string opstr, PatFrag cond_op, RegisterClass RC> :
InstSE<(outs CPURegsOpnd:$rd), (ins RC:$rs, RC:$rt),
!strconcat(opstr, "\t$rd, $rs, $rt"),
- [(set CPURegsOpnd:$rd, (cond_op RC:$rs, RC:$rt))], IIAlu, FrmR>;
+ [(set CPURegsOpnd:$rd, (cond_op RC:$rs, RC:$rt))],
+ IIAlu, FrmR, opstr>;
class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
RegisterClass RC>:
InstSE<(outs CPURegsOpnd:$rt), (ins RC:$rs, Od:$imm16),
!strconcat(opstr, "\t$rt, $rs, $imm16"),
[(set CPURegsOpnd:$rt, (cond_op RC:$rs, imm_type:$imm16))],
- IIAlu, FrmI>;
+ IIAlu, FrmI, opstr>;
// Jump
class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
NoItinerary, FrmOther>;
+let hasSideEffects = 1 in
+class TEQ_FT<string opstr, RegisterOperand RO> :
+ InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
+ !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary, FrmI>;
+
// Mul, Div
class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
list<Register> DefRegs> :
InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
- itin, FrmR> {
+ itin, FrmR, opstr> {
let isCommutable = 1;
let Defs = DefRegs;
let neverHasSideEffects = 1;
}
-class Div<SDNode op, string opstr, InstrItinClass itin, RegisterOperand RO,
+// Pseudo multiply/divide instruction with explicit accumulator register
+// operands.
+class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
+ SDPatternOperator OpNode, InstrItinClass Itin,
+ bit IsComm = 1, bit HasSideEffects = 0,
+ bit UsesCustomInserter = 0> :
+ PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
+ [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
+ PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
+ let isCommutable = IsComm;
+ let hasSideEffects = HasSideEffects;
+ let usesCustomInserter = UsesCustomInserter;
+}
+
+// Pseudo multiply add/sub instruction with explicit accumulator register
+// operands.
+class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode>
+ : PseudoSE<(outs ACRegs:$ac),
+ (ins CPURegsOpnd:$rs, CPURegsOpnd:$rt, ACRegs:$acin),
+ [(set ACRegs:$ac,
+ (OpNode CPURegsOpnd:$rs, CPURegsOpnd:$rt, ACRegs:$acin))],
+ IIImul>,
+ PseudoInstExpansion<(RealInst CPURegsOpnd:$rs, CPURegsOpnd:$rt)> {
+ string Constraints = "$acin = $ac";
+}
+
+class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
list<Register> DefRegs> :
- InstSE<(outs), (ins RO:$rs, RO:$rt),
- !strconcat(opstr, "\t$$zero, $rs, $rt"), [(op RO:$rs, RO:$rt)], itin,
- FrmR> {
+ InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
+ [], itin, FrmR> {
let Defs = DefRegs;
}
defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32>;
}
+/// Pseudo instructions for loading and storing accumulator registers.
+let isPseudo = 1 in {
+ defm LOAD_AC64 : LoadM<"load_ac64", ACRegs>;
+ defm STORE_AC64 : StoreM<"store_ac64", ACRegs>;
+}
+
//===----------------------------------------------------------------------===//
// Instruction definition
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
/// Arithmetic Instructions (ALU Immediate)
-def ADDiu : ArithLogicI<"addiu", simm16, CPURegsOpnd, immSExt16, add>,
+def ADDiu : MMRel, ArithLogicI<"addiu", simm16, CPURegsOpnd, immSExt16, add>,
ADDI_FM<0x9>, IsAsCheapAsAMove;
-def ADDi : ArithLogicI<"addi", simm16, CPURegsOpnd>, ADDI_FM<0x8>;
-def SLTi : SetCC_I<"slti", setlt, simm16, immSExt16, CPURegs>, SLTI_FM<0xa>;
-def SLTiu : SetCC_I<"sltiu", setult, simm16, immSExt16, CPURegs>, SLTI_FM<0xb>;
-def ANDi : ArithLogicI<"andi", uimm16, CPURegsOpnd, immZExt16, and>,
+def ADDi : MMRel, ArithLogicI<"addi", simm16, CPURegsOpnd>, ADDI_FM<0x8>;
+def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, CPURegs>,
+ SLTI_FM<0xa>;
+def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, CPURegs>,
+ SLTI_FM<0xb>;
+def ANDi : MMRel, ArithLogicI<"andi", uimm16, CPURegsOpnd, immZExt16, and>,
ADDI_FM<0xc>;
-def ORi : ArithLogicI<"ori", uimm16, CPURegsOpnd, immZExt16, or>,
+def ORi : MMRel, ArithLogicI<"ori", uimm16, CPURegsOpnd, immZExt16, or>,
ADDI_FM<0xd>;
-def XORi : ArithLogicI<"xori", uimm16, CPURegsOpnd, immZExt16, xor>,
+def XORi : MMRel, ArithLogicI<"xori", uimm16, CPURegsOpnd, immZExt16, xor>,
ADDI_FM<0xe>;
-def LUi : LoadUpper<"lui", CPURegs, uimm16>, LUI_FM;
+def LUi : MMRel, LoadUpper<"lui", CPURegs, uimm16>, LUI_FM;
/// Arithmetic Instructions (3-Operand, R-Type)
-def ADDu : ArithLogicR<"addu", CPURegsOpnd, 1, IIAlu, add>, ADD_FM<0, 0x21>;
-def SUBu : ArithLogicR<"subu", CPURegsOpnd, 0, IIAlu, sub>, ADD_FM<0, 0x23>;
-def MUL : ArithLogicR<"mul", CPURegsOpnd, 1, IIImul, mul>, ADD_FM<0x1c, 2>;
-def ADD : ArithLogicR<"add", CPURegsOpnd>, ADD_FM<0, 0x20>;
-def SUB : ArithLogicR<"sub", CPURegsOpnd>, ADD_FM<0, 0x22>;
-def SLT : SetCC_R<"slt", setlt, CPURegs>, ADD_FM<0, 0x2a>;
-def SLTu : SetCC_R<"sltu", setult, CPURegs>, ADD_FM<0, 0x2b>;
-def AND : ArithLogicR<"and", CPURegsOpnd, 1, IIAlu, and>, ADD_FM<0, 0x24>;
-def OR : ArithLogicR<"or", CPURegsOpnd, 1, IIAlu, or>, ADD_FM<0, 0x25>;
-def XOR : ArithLogicR<"xor", CPURegsOpnd, 1, IIAlu, xor>, ADD_FM<0, 0x26>;
-def NOR : LogicNOR<"nor", CPURegsOpnd>, ADD_FM<0, 0x27>;
+def ADDu : MMRel, ArithLogicR<"addu", CPURegsOpnd, 1, IIAlu, add>,
+ ADD_FM<0, 0x21>;
+def SUBu : MMRel, ArithLogicR<"subu", CPURegsOpnd, 0, IIAlu, sub>,
+ ADD_FM<0, 0x23>;
+def MUL : MMRel, ArithLogicR<"mul", CPURegsOpnd, 1, IIImul, mul>,
+ ADD_FM<0x1c, 2>;
+def ADD : MMRel, ArithLogicR<"add", CPURegsOpnd>, ADD_FM<0, 0x20>;
+def SUB : MMRel, ArithLogicR<"sub", CPURegsOpnd>, ADD_FM<0, 0x22>;
+def SLT : MMRel, SetCC_R<"slt", setlt, CPURegs>, ADD_FM<0, 0x2a>;
+def SLTu : MMRel, SetCC_R<"sltu", setult, CPURegs>, ADD_FM<0, 0x2b>;
+def AND : MMRel, ArithLogicR<"and", CPURegsOpnd, 1, IIAlu, and>,
+ ADD_FM<0, 0x24>;
+def OR : MMRel, ArithLogicR<"or", CPURegsOpnd, 1, IIAlu, or>,
+ ADD_FM<0, 0x25>;
+def XOR : MMRel, ArithLogicR<"xor", CPURegsOpnd, 1, IIAlu, xor>,
+ ADD_FM<0, 0x26>;
+def NOR : MMRel, LogicNOR<"nor", CPURegsOpnd>, ADD_FM<0, 0x27>;
/// Shift Instructions
-def SLL : shift_rotate_imm<"sll", shamt, CPURegsOpnd, shl, immZExt5>,
+def SLL : MMRel, shift_rotate_imm<"sll", shamt, CPURegsOpnd, shl, immZExt5>,
SRA_FM<0, 0>;
-def SRL : shift_rotate_imm<"srl", shamt, CPURegsOpnd, srl, immZExt5>,
+def SRL : MMRel, shift_rotate_imm<"srl", shamt, CPURegsOpnd, srl, immZExt5>,
SRA_FM<2, 0>;
-def SRA : shift_rotate_imm<"sra", shamt, CPURegsOpnd, sra, immZExt5>,
+def SRA : MMRel, shift_rotate_imm<"sra", shamt, CPURegsOpnd, sra, immZExt5>,
SRA_FM<3, 0>;
-def SLLV : shift_rotate_reg<"sllv", CPURegsOpnd, shl>, SRLV_FM<4, 0>;
-def SRLV : shift_rotate_reg<"srlv", CPURegsOpnd, srl>, SRLV_FM<6, 0>;
-def SRAV : shift_rotate_reg<"srav", CPURegsOpnd, sra>, SRLV_FM<7, 0>;
+def SLLV : MMRel, shift_rotate_reg<"sllv", CPURegsOpnd, shl>, SRLV_FM<4, 0>;
+def SRLV : MMRel, shift_rotate_reg<"srlv", CPURegsOpnd, srl>, SRLV_FM<6, 0>;
+def SRAV : MMRel, shift_rotate_reg<"srav", CPURegsOpnd, sra>, SRLV_FM<7, 0>;
// Rotate Instructions
let Predicates = [HasMips32r2, HasStdEnc] in {
- def ROTR : shift_rotate_imm<"rotr", shamt, CPURegsOpnd, rotr, immZExt5>,
+ def ROTR : MMRel, shift_rotate_imm<"rotr", shamt, CPURegsOpnd, rotr,
+ immZExt5>,
SRA_FM<2, 1>;
- def ROTRV : shift_rotate_reg<"rotrv", CPURegsOpnd, rotr>, SRLV_FM<6, 1>;
+ def ROTRV : MMRel, shift_rotate_reg<"rotrv", CPURegsOpnd, rotr>,
+ SRLV_FM<6, 1>;
}
/// Load and Store Instructions
/// aligned
-defm LB : LoadM<"lb", CPURegs, sextloadi8>, LW_FM<0x20>;
-defm LBu : LoadM<"lbu", CPURegs, zextloadi8>, LW_FM<0x24>;
-defm LH : LoadM<"lh", CPURegs, sextloadi16>, LW_FM<0x21>;
-defm LHu : LoadM<"lhu", CPURegs, zextloadi16>, LW_FM<0x25>;
-defm LW : LoadM<"lw", CPURegs, load>, LW_FM<0x23>;
-defm SB : StoreM<"sb", CPURegs, truncstorei8>, LW_FM<0x28>;
-defm SH : StoreM<"sh", CPURegs, truncstorei16>, LW_FM<0x29>;
-defm SW : StoreM<"sw", CPURegs, store>, LW_FM<0x2b>;
+defm LB : LoadM<"lb", CPURegs, sextloadi8>, MMRel, LW_FM<0x20>;
+defm LBu : LoadM<"lbu", CPURegs, zextloadi8, addrDefault>, MMRel, LW_FM<0x24>;
+defm LH : LoadM<"lh", CPURegs, sextloadi16, addrDefault>, MMRel, LW_FM<0x21>;
+defm LHu : LoadM<"lhu", CPURegs, zextloadi16>, MMRel, LW_FM<0x25>;
+defm LW : LoadM<"lw", CPURegs, load, addrDefault>, MMRel, LW_FM<0x23>;
+defm SB : StoreM<"sb", CPURegs, truncstorei8>, MMRel, LW_FM<0x28>;
+defm SH : StoreM<"sh", CPURegs, truncstorei16>, MMRel, LW_FM<0x29>;
+defm SW : StoreM<"sw", CPURegs, store>, MMRel, LW_FM<0x2b>;
/// load/store left/right
defm LWL : LoadLeftRightM<"lwl", MipsLWL, CPURegs>, LW_FM<0x22>;
defm SWR : StoreLeftRightM<"swr", MipsSWR, CPURegs>, LW_FM<0x2e>;
def SYNC : SYNC_FT, SYNC_FM;
+def TEQ : TEQ_FT<"teq", CPURegsOpnd>, TEQ_FM<0x34>;
/// Load-linked, Store-conditional
let Predicates = [NotN64, HasStdEnc] in {
Requires<[RelocStatic, HasStdEnc]>, IsBranch;
def JR : IndirectBranch<CPURegs>, MTLO_FM<8>;
def B : UncondBranch<"b">, B_FM;
-def BEQ : CBranch<"beq", seteq, CPURegs>, BEQ_FM<4>;
-def BNE : CBranch<"bne", setne, CPURegs>, BEQ_FM<5>;
-def BGEZ : CBranchZero<"bgez", setge, CPURegs>, BGEZ_FM<1, 1>;
-def BGTZ : CBranchZero<"bgtz", setgt, CPURegs>, BGEZ_FM<7, 0>;
-def BLEZ : CBranchZero<"blez", setle, CPURegs>, BGEZ_FM<6, 0>;
-def BLTZ : CBranchZero<"bltz", setlt, CPURegs>, BGEZ_FM<1, 0>;
+def BEQ : CBranch<"beq", seteq, CPURegsOpnd>, BEQ_FM<4>;
+def BNE : CBranch<"bne", setne, CPURegsOpnd>, BEQ_FM<5>;
+def BGEZ : CBranchZero<"bgez", setge, CPURegsOpnd>, BGEZ_FM<1, 1>;
+def BGTZ : CBranchZero<"bgtz", setgt, CPURegsOpnd>, BGEZ_FM<7, 0>;
+def BLEZ : CBranchZero<"blez", setle, CPURegsOpnd>, BGEZ_FM<6, 0>;
+def BLTZ : CBranchZero<"bltz", setlt, CPURegsOpnd>, BGEZ_FM<1, 0>;
def BAL_BR: BAL_FT, BAL_FM;
}
/// Multiply and Divide Instructions.
-def MULT : Mult<"mult", IIImul, CPURegsOpnd, [HI, LO]>, MULT_FM<0, 0x18>;
-def MULTu : Mult<"multu", IIImul, CPURegsOpnd, [HI, LO]>, MULT_FM<0, 0x19>;
-def SDIV : Div<MipsDivRem, "div", IIIdiv, CPURegsOpnd, [HI, LO]>,
- MULT_FM<0, 0x1a>;
-def UDIV : Div<MipsDivRemU, "divu", IIIdiv, CPURegsOpnd, [HI, LO]>,
- MULT_FM<0, 0x1b>;
+def MULT : MMRel, Mult<"mult", IIImul, CPURegsOpnd, [HI, LO]>,
+ MULT_FM<0, 0x18>;
+def MULTu : MMRel, Mult<"multu", IIImul, CPURegsOpnd, [HI, LO]>,
+ MULT_FM<0, 0x19>;
+def PseudoMULT : MultDivPseudo<MULT, ACRegs, CPURegsOpnd, MipsMult, IIImul>;
+def PseudoMULTu : MultDivPseudo<MULTu, ACRegs, CPURegsOpnd, MipsMultu, IIImul>;
+def SDIV : Div<"div", IIIdiv, CPURegsOpnd, [HI, LO]>, MULT_FM<0, 0x1a>;
+def UDIV : Div<"divu", IIIdiv, CPURegsOpnd, [HI, LO]>, MULT_FM<0, 0x1b>;
+def PseudoSDIV : MultDivPseudo<SDIV, ACRegs, CPURegsOpnd, MipsDivRem, IIIdiv,
+ 0, 1, 1>;
+def PseudoUDIV : MultDivPseudo<UDIV, ACRegs, CPURegsOpnd, MipsDivRemU, IIIdiv,
+ 0, 1, 1>;
def MTHI : MoveToLOHI<"mthi", CPURegs, [HI]>, MTLO_FM<0x11>;
def MTLO : MoveToLOHI<"mtlo", CPURegs, [LO]>, MTLO_FM<0x13>;
def LEA_ADDiu : EffectiveAddress<"addiu", CPURegs, mem_ea>, LW_FM<9>;
// MADD*/MSUB*
-def MADD : MArithR<"madd", MipsMAdd, 1>, MULT_FM<0x1c, 0>;
-def MADDU : MArithR<"maddu", MipsMAddu, 1>, MULT_FM<0x1c, 1>;
-def MSUB : MArithR<"msub", MipsMSub>, MULT_FM<0x1c, 4>;
-def MSUBU : MArithR<"msubu", MipsMSubu>, MULT_FM<0x1c, 5>;
+def MADD : MArithR<"madd", 1>, MULT_FM<0x1c, 0>;
+def MADDU : MArithR<"maddu", 1>, MULT_FM<0x1c, 1>;
+def MSUB : MArithR<"msub">, MULT_FM<0x1c, 4>;
+def MSUBU : MArithR<"msubu">, MULT_FM<0x1c, 5>;
+def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd>;
+def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu>;
+def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub>;
+def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu>;
def RDHWR : ReadHardware<CPURegs, HWRegsOpnd>, RDHWR_FM;
def : InstAlias<"j $rs", (JR CPURegs:$rs), 0>,
Requires<[NotMips64]>;
def : InstAlias<"jalr $rs", (JALR RA, CPURegs:$rs)>, Requires<[NotMips64]>;
+def : InstAlias<"jal $rs", (JALR RA, CPURegs:$rs), 0>, Requires<[NotMips64]>;
+def : InstAlias<"jal $rd,$rs", (JALR CPURegs:$rd, CPURegs:$rs), 0>,
+ Requires<[NotMips64]>;
def : InstAlias<"not $rt, $rs",
(NOR CPURegsOpnd:$rt, CPURegsOpnd:$rs, ZERO), 1>;
def : InstAlias<"neg $rt, $rs",
def : InstAlias<"slt $rs, $rt, $imm",
(SLTi CPURegsOpnd:$rs, CPURegs:$rt, simm16:$imm), 0>;
def : InstAlias<"xor $rs, $rt, $imm",
- (XORi CPURegsOpnd:$rs, CPURegsOpnd:$rt, simm16:$imm), 0>,
+ (XORi CPURegsOpnd:$rs, CPURegsOpnd:$rt, uimm16:$imm), 1>,
Requires<[NotMips64]>;
+def : InstAlias<"or $rs, $rt, $imm",
+ (ORi CPURegsOpnd:$rs, CPURegsOpnd:$rt, uimm16:$imm), 1>,
+ Requires<[NotMips64]>;
def : InstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
def : InstAlias<"mfc0 $rt, $rd",
(MFC0_3OP CPURegsOpnd:$rt, CPURegsOpnd:$rd, 0), 0>;
(MFC2_3OP CPURegsOpnd:$rt, CPURegsOpnd:$rd, 0), 0>;
def : InstAlias<"mtc2 $rt, $rd",
(MTC2_3OP CPURegsOpnd:$rd, 0, CPURegsOpnd:$rt), 0>;
-
+def : InstAlias<"bnez $rs,$offset",
+ (BNE CPURegsOpnd:$rs, ZERO, brtarget:$offset), 1>,
+ Requires<[NotMips64]>;
+def : InstAlias<"beqz $rs,$offset",
+ (BEQ CPURegsOpnd:$rs, ZERO, brtarget:$offset), 1>,
+ Requires<[NotMips64]>;
//===----------------------------------------------------------------------===//
// Assembler Pseudo Instructions
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
+// Load/store pattern templates.
+class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
+ MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
+
+class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
+ MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
+
// Small immediates
def : MipsPat<(i32 immSExt16:$in),
(ADDiu ZERO, imm:$in)>;
// Carry MipsPatterns
def : MipsPat<(subc CPURegs:$lhs, CPURegs:$rhs),
(SUBu CPURegs:$lhs, CPURegs:$rhs)>;
-def : MipsPat<(addc CPURegs:$lhs, CPURegs:$rhs),
- (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
-def : MipsPat<(addc CPURegs:$src, immSExt16:$imm),
- (ADDiu CPURegs:$src, imm:$imm)>;
+let Predicates = [HasStdEnc, NotDSP] in {
+ def : MipsPat<(addc CPURegs:$lhs, CPURegs:$rhs),
+ (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
+ def : MipsPat<(addc CPURegs:$src, immSExt16:$imm),
+ (ADDiu CPURegs:$src, imm:$imm)>;
+}
// Call
def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
+def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
+ (BLEZ i32:$lhs, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
+ (BGEZ i32:$lhs, bb:$dst)>;
+
// setcc patterns
multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
Instruction SLTuOp, Register ZEROReg> {
+ def : MipsPat<(seteq RC:$lhs, 0),
+ (SLTiuOp RC:$lhs, 1)>;
+ def : MipsPat<(setne RC:$lhs, 0),
+ (SLTuOp ZEROReg, RC:$lhs)>;
def : MipsPat<(seteq RC:$lhs, RC:$rhs),
(SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
def : MipsPat<(setne RC:$lhs, RC:$rhs),
// bswap pattern
def : MipsPat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
+// mflo/hi patterns.
+def : MipsPat<(i32 (ExtractLOHI ACRegs:$ac, imm:$lohi_idx)),
+ (EXTRACT_SUBREG ACRegs:$ac, imm:$lohi_idx)>;
+
+// Load halfword/word patterns.
+let AddedComplexity = 40 in {
+ let Predicates = [NotN64, HasStdEnc] in {
+ def : LoadRegImmPat<LBu, i32, zextloadi8>;
+ def : LoadRegImmPat<LH, i32, sextloadi16>;
+ def : LoadRegImmPat<LW, i32, load>;
+ }
+ let Predicates = [IsN64, HasStdEnc] in {
+ def : LoadRegImmPat<LBu_P8, i32, zextloadi8>;
+ def : LoadRegImmPat<LH_P8, i32, sextloadi16>;
+ def : LoadRegImmPat<LW_P8, i32, load>;
+ }
+}
+
//===----------------------------------------------------------------------===//
// Floating Point Support
//===----------------------------------------------------------------------===//
include "MipsDSPInstrFormats.td"
include "MipsDSPInstrInfo.td"
+// Micromips
+include "MicroMipsInstrFormats.td"
+include "MicroMipsInstrInfo.td"