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>]>;
def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
// Return
-def MipsRet : SDNode<"MipsISD::Ret", SDTNone, [SDNPHasChain, SDNPOptInGlue]>;
+def MipsRet : SDNode<"MipsISD::Ret", SDTNone,
+ [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
// These are target-independent nodes, but have target-specific formats.
def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
[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];
def simm16 : Operand<i32> {
let DecoderMethod= "DecodeSimm16";
}
+
+def simm20 : Operand<i32> {
+}
+
def simm16_64 : Operand<i64>;
def shamt : Operand<i32>;
let MIOperandInfo = (ops CPURegs, simm16);
let EncoderMethod = "getMemEncoding";
let ParserMatchClass = MipsMemAsmOperand;
+ let OperandType = "OPERAND_MEMORY";
}
def mem64 : Operand<i64> {
let MIOperandInfo = (ops CPU64Regs, simm16_64);
let EncoderMethod = "getMemEncoding";
let ParserMatchClass = MipsMemAsmOperand;
+ let OperandType = "OPERAND_MEMORY";
}
def mem_ea : Operand<i32> {
let PrintMethod = "printMemOperandEA";
let MIOperandInfo = (ops CPURegs, simm16);
let EncoderMethod = "getMemEncoding";
+ let OperandType = "OPERAND_MEMORY";
}
def mem_ea_64 : Operand<i64> {
let PrintMethod = "printMemOperandEA";
let MIOperandInfo = (ops CPU64Regs, simm16_64);
let EncoderMethod = "getMemEncoding";
+ let OperandType = "OPERAND_MEMORY";
}
// size operand of ext instruction
return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
}]>;
+// Plus 1.
+def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
+
+// Node immediate fits as 16-bit sign extended on target immediate.
+// e.g. addi, andi
+def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
+
// Node immediate fits as 16-bit sign extended on target immediate.
// e.g. addi, andi
def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
+// Node immediate fits as 15-bit sign extended on target immediate.
+// e.g. addi, andi
+def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
+
// Node immediate fits as 16-bit zero extended on target immediate.
// The LO16 param means that only the lower 16 bits of the node
// immediate are caught.
// shamt field must fit in 5 bits.
def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
+// True if (N + 1) fits in 16-bit field.
+def immSExt16Plus1 : PatLeaf<(imm), [{
+ return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
+}]>;
+
// Mips Address Mode! SDNode frameindex could possibily be a match
// since load and store instructions from stack used it.
def addr :
- ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], [SDNPWantParent]>;
+ ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
+
+def addrRegImm :
+ ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
+
+def addrDefault :
+ ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
//===----------------------------------------------------------------------===//
// Instructions specific format
//===----------------------------------------------------------------------===//
-/// Move Control Registers From/To CPU Registers
-def MFC0_3OP : MFC3OP<0x10, 0, (outs CPURegs:$rt),
- (ins CPURegs:$rd, uimm16:$sel),"mfc0\t$rt, $rd, $sel">;
-def : InstAlias<"mfc0 $rt, $rd", (MFC0_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
-
-def MTC0_3OP : MFC3OP<0x10, 4, (outs CPURegs:$rd, uimm16:$sel),
- (ins CPURegs:$rt),"mtc0\t$rt, $rd, $sel">;
-def : InstAlias<"mtc0 $rt, $rd", (MTC0_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
-
-def MFC2_3OP : MFC3OP<0x12, 0, (outs CPURegs:$rt),
- (ins CPURegs:$rd, uimm16:$sel),"mfc2\t$rt, $rd, $sel">;
-def : InstAlias<"mfc2 $rt, $rd", (MFC2_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
-
-def MTC2_3OP : MFC3OP<0x12, 4, (outs CPURegs:$rd, uimm16:$sel),
- (ins CPURegs:$rt),"mtc2\t$rt, $rd, $sel">;
-def : InstAlias<"mtc2 $rt, $rd", (MTC2_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
-
// Arithmetic and logical instructions with 3 register operands.
-class ArithLogicR<string opstr, InstrItinClass Itin, RegisterClass RC,
- bit isComm = 0, SDPatternOperator OpNode = null_frag>:
- InstSE<(outs RC:$rd), (ins RC:$rs, RC:$rt),
+class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
+ InstrItinClass Itin = NoItinerary,
+ SDPatternOperator OpNode = null_frag>:
+ InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
!strconcat(opstr, "\t$rd, $rs, $rt"),
- [(set RC:$rd, (OpNode RC:$rs, RC:$rt))], Itin, FrmR> {
+ [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
let isCommutable = isComm;
let isReMaterializable = 1;
}
// Arithmetic and logical instructions with 2 register operands.
-class ArithLogicI<string opstr, Operand Od, PatLeaf imm_type,
- RegisterClass RC, SDPatternOperator OpNode = null_frag> :
- InstSE<(outs RC:$rt), (ins RC:$rs, Od:$imm16),
+class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
+ SDPatternOperator imm_type = null_frag,
+ SDPatternOperator OpNode = null_frag> :
+ InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
!strconcat(opstr, "\t$rt, $rs, $imm16"),
- [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu, FrmI> {
+ [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
+ IIAlu, FrmI, opstr> {
let isReMaterializable = 1;
+ let TwoOperandAliasConstraint = "$rs = $rt";
}
// Arithmetic Multiply ADD/SUB
-let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
-class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
- FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
- !strconcat(instr_asm, "\t$rs, $rt"),
- [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
- let rd = 0;
- let shamt = 0;
+class MArithR<string opstr, bit isComm = 0> :
+ InstSE<(outs), (ins CPURegsOpnd:$rs, CPURegsOpnd:$rt),
+ !strconcat(opstr, "\t$rs, $rt"), [], IIImul, FrmR> {
+ let Defs = [HI, LO];
+ let Uses = [HI, LO];
let isCommutable = isComm;
}
// Logical
-class LogicNOR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
- FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rs, $rt"),
- [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu> {
- let shamt = 0;
+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, opstr> {
let isCommutable = 1;
}
// Shifts
-class shift_rotate_imm<bits<6> func, bits<5> isRotate, string instr_asm,
- SDNode OpNode, PatFrag PF, Operand ImmOpnd,
- RegisterClass RC>:
- FR<0x00, func, (outs RC:$rd), (ins RC:$rt, ImmOpnd:$shamt),
- !strconcat(instr_asm, "\t$rd, $rt, $shamt"),
- [(set RC:$rd, (OpNode RC:$rt, PF:$shamt))], IIAlu> {
- let rs = isRotate;
-}
-
-// 32-bit shift instructions.
-class shift_rotate_imm32<bits<6> func, bits<5> isRotate, string instr_asm,
- SDNode OpNode>:
- shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt5, shamt, CPURegs>;
-
-class shift_rotate_reg<bits<6> func, bits<5> isRotate, string instr_asm,
- SDNode OpNode, RegisterClass RC>:
- FR<0x00, func, (outs RC:$rd), (ins CPURegs:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rt, $rs"),
- [(set RC:$rd, (OpNode RC:$rt, CPURegs:$rs))], IIAlu> {
- let shamt = isRotate;
-}
+class shift_rotate_imm<string opstr, Operand ImmOpnd,
+ RegisterOperand RC, SDPatternOperator OpNode = null_frag,
+ 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, 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, opstr>;
// Load Upper Imediate
-class LoadUpper<bits<6> op, string instr_asm, RegisterClass RC, Operand Imm>:
- FI<op, (outs RC:$rt), (ins Imm:$imm16),
- !strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu>, IsAsCheapAsAMove {
- let rs = 0;
+class LoadUpper<string opstr, RegisterClass RC, Operand Imm>:
+ InstSE<(outs RC:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
+ [], IIAlu, FrmI>, IsAsCheapAsAMove {
let neverHasSideEffects = 1;
let isReMaterializable = 1;
}
}
// Memory Load/Store
-let canFoldAsLoad = 1 in
-class LoadM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
- Operand MemOpnd, bit Pseudo>:
- FMem<op, (outs RC:$rt), (ins MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr"),
- [(set RC:$rt, (OpNode addr:$addr))], IILoad> {
- let isPseudo = Pseudo;
-}
-
-class StoreM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
- Operand MemOpnd, bit Pseudo>:
- FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr"),
- [(OpNode RC:$rt, addr:$addr)], IIStore> {
- let isPseudo = Pseudo;
-}
-
-// 32-bit load.
-multiclass LoadM32<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : LoadM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
+class Load<string opstr, SDPatternOperator OpNode, RegisterClass RC,
+ Operand MemOpnd, ComplexPattern Addr, string ofsuffix> :
+ InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(set RC:$rt, (OpNode Addr:$addr))], NoItinerary, FrmI,
+ !strconcat(opstr, ofsuffix)> {
+ let DecoderMethod = "DecodeMem";
+ let canFoldAsLoad = 1;
+ let mayLoad = 1;
}
-// 64-bit load.
-multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : LoadM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
+class Store<string opstr, SDPatternOperator OpNode, RegisterClass RC,
+ Operand MemOpnd, ComplexPattern Addr, string ofsuffix> :
+ InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(OpNode RC:$rt, Addr:$addr)], NoItinerary, FrmI,
+ !strconcat(opstr, ofsuffix)> {
+ let DecoderMethod = "DecodeMem";
+ let mayStore = 1;
}
-// 32-bit store.
-multiclass StoreM32<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : StoreM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass LoadM<string opstr, RegisterClass RC,
+ SDPatternOperator OpNode = null_frag,
+ ComplexPattern Addr = addr> {
+ def NAME : Load<opstr, OpNode, RC, mem, Addr, "">,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Load<opstr, OpNode, RC, mem64, Addr, "_p8">,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
-// 64-bit store.
-multiclass StoreM64<bits<6> op, string instr_asm, PatFrag OpNode,
- bit Pseudo = 0> {
- def #NAME# : StoreM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass StoreM<string opstr, RegisterClass RC,
+ SDPatternOperator OpNode = null_frag,
+ ComplexPattern Addr = addr> {
+ def NAME : Store<opstr, OpNode, RC, mem, Addr, "">,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Store<opstr, OpNode, RC, mem64, Addr, "_p8">,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
// Load/Store Left/Right
let canFoldAsLoad = 1 in
-class LoadLeftRight<bits<6> op, string instr_asm, SDNode OpNode,
- RegisterClass RC, Operand MemOpnd> :
- FMem<op, (outs RC:$rt), (ins MemOpnd:$addr, RC:$src),
- !strconcat(instr_asm, "\t$rt, $addr"),
- [(set RC:$rt, (OpNode addr:$addr, RC:$src))], IILoad> {
+class LoadLeftRight<string opstr, SDNode OpNode, RegisterClass RC,
+ Operand MemOpnd> :
+ InstSE<(outs RC:$rt), (ins MemOpnd:$addr, RC:$src),
+ !strconcat(opstr, "\t$rt, $addr"),
+ [(set RC:$rt, (OpNode addr:$addr, RC:$src))], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
string Constraints = "$src = $rt";
}
-class StoreLeftRight<bits<6> op, string instr_asm, SDNode OpNode,
- RegisterClass RC, Operand MemOpnd>:
- FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr"), [(OpNode RC:$rt, addr:$addr)],
- IIStore>;
-
-// 32-bit load left/right.
-multiclass LoadLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
-}
-
-// 64-bit load left/right.
-multiclass LoadLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
- let isCodeGenOnly = 1;
- }
+class StoreLeftRight<string opstr, SDNode OpNode, RegisterClass RC,
+ Operand MemOpnd>:
+ InstSE<(outs), (ins RC:$rt, MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(OpNode RC:$rt, addr:$addr)], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
}
-// 32-bit store left/right.
-multiclass StoreLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass LoadLeftRightM<string opstr, SDNode OpNode, RegisterClass RC> {
+ def NAME : LoadLeftRight<opstr, OpNode, RC, mem>,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : LoadLeftRight<opstr, OpNode, RC, mem64>,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
-// 64-bit store left/right.
-multiclass StoreLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
- def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass StoreLeftRightM<string opstr, SDNode OpNode, RegisterClass RC> {
+ def NAME : StoreLeftRight<opstr, OpNode, RC, mem>,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : StoreLeftRight<opstr, OpNode, RC, mem64>,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
let isCodeGenOnly = 1;
}
}
// Conditional Branch
-class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
- BranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
- [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
+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,
+ FrmI> {
let isBranch = 1;
let isTerminator = 1;
let hasDelaySlot = 1;
let Defs = [AT];
}
-class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
- RegisterClass RC>:
- BranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $imm16"),
- [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
- let rt = _rt;
+class CBranchZero<string opstr, PatFrag cond_op, RegisterOperand RC> :
+ InstSE<(outs), (ins RC:$rs, brtarget:$offset),
+ !strconcat(opstr, "\t$rs, $offset"),
+ [(brcond (i32 (cond_op RC:$rs, 0)), bb:$offset)], IIBranch, FrmI> {
let isBranch = 1;
let isTerminator = 1;
let hasDelaySlot = 1;
}
// SetCC
-class SetCC_R<bits<6> op, bits<6> func, string instr_asm, PatFrag cond_op,
- RegisterClass RC>:
- FR<op, func, (outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rs, $rt"),
- [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))],
- IIAlu> {
- let shamt = 0;
-}
+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, opstr>;
-class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op, Operand Od,
- PatLeaf imm_type, RegisterClass RC>:
- FI<op, (outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
- !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
- [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
- IIAlu>;
+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, opstr>;
// Jump
-class JumpFJ<bits<6> op, DAGOperand opnd, string instr_asm,
- SDPatternOperator operator, SDPatternOperator targetoperator>:
- FJ<op, (outs), (ins opnd:$target), !strconcat(instr_asm, "\t$target"),
- [(operator targetoperator:$target)], IIBranch> {
+class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
+ SDPatternOperator targetoperator> :
+ InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
+ [(operator targetoperator:$target)], IIBranch, FrmJ> {
let isTerminator=1;
let isBarrier=1;
let hasDelaySlot = 1;
}
// Unconditional branch
-class UncondBranch<bits<6> op, string instr_asm>:
- BranchBase<op, (outs), (ins brtarget:$imm16),
- !strconcat(instr_asm, "\t$imm16"), [(br bb:$imm16)], IIBranch> {
- let rs = 0;
- let rt = 0;
+class UncondBranch<string opstr> :
+ InstSE<(outs), (ins brtarget:$offset), !strconcat(opstr, "\t$offset"),
+ [(br bb:$offset)], IIBranch, FrmI> {
let isBranch = 1;
let isTerminator = 1;
let isBarrier = 1;
// Base class for indirect branch and return instruction classes.
let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
class JumpFR<RegisterClass RC, SDPatternOperator operator = null_frag>:
- FR<0, 0x8, (outs), (ins RC:$rs), "jr\t$rs", [(operator RC:$rs)], IIBranch> {
- let rt = 0;
- let rd = 0;
- let shamt = 0;
-}
+ InstSE<(outs), (ins RC:$rs), "jr\t$rs", [(operator RC:$rs)], IIBranch, FrmR>;
// Indirect branch
class IndirectBranch<RegisterClass RC>: JumpFR<RC, brind> {
// Jump and Link (Call)
let isCall=1, hasDelaySlot=1, Defs = [RA] in {
- class JumpLink<bits<6> op, string instr_asm>:
- FJ<op, (outs), (ins calltarget:$target),
- !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
- IIBranch> {
- let DecoderMethod = "DecodeJumpTarget";
- }
-
- class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm,
- RegisterClass RC>:
- FR<op, func, (outs), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink RC:$rs)], IIBranch> {
- let rt = 0;
- let rd = 31;
- let shamt = 0;
+ class JumpLink<string opstr> :
+ InstSE<(outs), (ins calltarget:$target), !strconcat(opstr, "\t$target"),
+ [(MipsJmpLink imm:$target)], IIBranch, FrmJ> {
+ let DecoderMethod = "DecodeJumpTarget";
}
- class BranchLink<string instr_asm, bits<5> _rt, RegisterClass RC>:
- FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch> {
- let rt = _rt;
- }
+ class JumpLinkRegPseudo<RegisterClass RC, Instruction JALRInst,
+ Register RetReg>:
+ PseudoSE<(outs), (ins RC:$rs), [(MipsJmpLink RC:$rs)], IIBranch>,
+ PseudoInstExpansion<(JALRInst RetReg, RC:$rs)>;
+
+ class JumpLinkReg<string opstr, RegisterClass RC>:
+ InstSE<(outs RC:$rd), (ins RC:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [], IIBranch, FrmR>;
+
+ class BGEZAL_FT<string opstr, RegisterOperand RO> :
+ InstSE<(outs), (ins RO:$rs, brtarget:$offset),
+ !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI>;
+
}
+class BAL_FT :
+ InstSE<(outs), (ins brtarget:$offset), "bal\t$offset", [], IIBranch, FrmI> {
+ let isBranch = 1;
+ let isTerminator = 1;
+ let isBarrier = 1;
+ let hasDelaySlot = 1;
+ let Defs = [RA];
+}
+
+// Sync
+let hasSideEffects = 1 in
+class SYNC_FT :
+ InstSE<(outs), (ins i32imm:$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, $code_"), [], NoItinerary, FrmI>;
+
// Mul, Div
-class Mult<bits<6> func, string instr_asm, InstrItinClass itin,
- RegisterClass RC, list<Register> DefRegs>:
- FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$rs, $rt"), [], itin> {
- let rd = 0;
- let shamt = 0;
+class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
+ list<Register> DefRegs> :
+ InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
+ itin, FrmR, opstr> {
let isCommutable = 1;
let Defs = DefRegs;
let neverHasSideEffects = 1;
}
-class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
- Mult<func, instr_asm, itin, CPURegs, [HI, LO]>;
-
-class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin,
- RegisterClass RC, list<Register> DefRegs>:
- FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
- !strconcat(instr_asm, "\t$$zero, $rs, $rt"),
- [(op RC:$rs, RC:$rt)], itin> {
- let rd = 0;
- let shamt = 0;
+// Pseudo multiply/divide instruction with explicit accumulator register
+// operands.
+class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
+ SDPatternOperator OpNode, InstrItinClass Itin,
+ bit IsComm = 1, bit HasSideEffects = 0,
+ bit UsesCustomInserter = 0> :
+ PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
+ [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
+ PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
+ let isCommutable = IsComm;
+ let hasSideEffects = HasSideEffects;
+ let usesCustomInserter = UsesCustomInserter;
+}
+
+// Pseudo multiply add/sub instruction with explicit accumulator register
+// operands.
+class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode>
+ : PseudoSE<(outs ACRegs:$ac),
+ (ins CPURegsOpnd:$rs, CPURegsOpnd:$rt, ACRegs:$acin),
+ [(set ACRegs:$ac,
+ (OpNode CPURegsOpnd:$rs, CPURegsOpnd:$rt, ACRegs:$acin))],
+ IIImul>,
+ PseudoInstExpansion<(RealInst CPURegsOpnd:$rs, CPURegsOpnd:$rt)> {
+ string Constraints = "$acin = $ac";
+}
+
+class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
+ list<Register> DefRegs> :
+ InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
+ [], itin, FrmR> {
let Defs = DefRegs;
}
-class Div32<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
- Div<op, func, instr_asm, itin, CPURegs, [HI, LO]>;
-
// Move from Hi/Lo
-class MoveFromLOHI<bits<6> func, string instr_asm, RegisterClass RC,
- list<Register> UseRegs>:
- FR<0x00, func, (outs RC:$rd), (ins),
- !strconcat(instr_asm, "\t$rd"), [], IIHiLo> {
- let rs = 0;
- let rt = 0;
- let shamt = 0;
+class MoveFromLOHI<string opstr, RegisterClass RC, list<Register> UseRegs>:
+ InstSE<(outs RC:$rd), (ins), !strconcat(opstr, "\t$rd"), [], IIHiLo, FrmR> {
let Uses = UseRegs;
let neverHasSideEffects = 1;
}
-class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
- list<Register> DefRegs>:
- FR<0x00, func, (outs), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rs"), [], IIHiLo> {
- let rt = 0;
- let rd = 0;
- let shamt = 0;
+class MoveToLOHI<string opstr, RegisterClass RC, list<Register> DefRegs>:
+ InstSE<(outs), (ins RC:$rs), !strconcat(opstr, "\t$rs"), [], IIHiLo, FrmR> {
let Defs = DefRegs;
let neverHasSideEffects = 1;
}
-class EffectiveAddress<bits<6> opc, string instr_asm, RegisterClass RC, Operand Mem> :
- FMem<opc, (outs RC:$rt), (ins Mem:$addr),
- instr_asm, [(set RC:$rt, addr:$addr)], IIAlu> {
- let isCodeGenOnly = 1;
+class EffectiveAddress<string opstr, RegisterClass RC, Operand Mem> :
+ InstSE<(outs RC:$rt), (ins Mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [(set RC:$rt, addr:$addr)], NoItinerary, FrmI> {
+ let isCodeGenOnly = 1;
+ let DecoderMethod = "DecodeMem";
}
// Count Leading Ones/Zeros in Word
-class CountLeading0<bits<6> func, string instr_asm, RegisterClass RC>:
- FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rd, $rs"),
- [(set RC:$rd, (ctlz RC:$rs))], IIAlu>,
- Requires<[HasBitCount, HasStdEnc]> {
- let shamt = 0;
- let rt = rd;
-}
+class CountLeading0<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [(set RO:$rd, (ctlz RO:$rs))], IIAlu, FrmR>,
+ Requires<[HasBitCount, HasStdEnc]>;
+
+class CountLeading1<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [(set RO:$rd, (ctlz (not RO:$rs)))], IIAlu, FrmR>,
+ Requires<[HasBitCount, HasStdEnc]>;
-class CountLeading1<bits<6> func, string instr_asm, RegisterClass RC>:
- FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rd, $rs"),
- [(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu>,
- Requires<[HasBitCount, HasStdEnc]> {
- let shamt = 0;
- let rt = rd;
-}
// Sign Extend in Register.
-class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt,
- RegisterClass RC>:
- FR<0x1f, 0x20, (outs RC:$rd), (ins RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rt"),
- [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary> {
- let rs = 0;
- let shamt = sa;
+class SignExtInReg<string opstr, ValueType vt, RegisterClass RC> :
+ InstSE<(outs RC:$rd), (ins RC:$rt), !strconcat(opstr, "\t$rd, $rt"),
+ [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary, FrmR> {
let Predicates = [HasSEInReg, HasStdEnc];
}
// Subword Swap
-class SubwordSwap<bits<6> func, bits<5> sa, string instr_asm, RegisterClass RC>:
- FR<0x1f, func, (outs RC:$rd), (ins RC:$rt),
- !strconcat(instr_asm, "\t$rd, $rt"), [], NoItinerary> {
- let rs = 0;
- let shamt = sa;
+class SubwordSwap<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
+ NoItinerary, FrmR> {
let Predicates = [HasSwap, HasStdEnc];
let neverHasSideEffects = 1;
}
// Read Hardware
-class ReadHardware<RegisterClass CPURegClass, RegisterClass HWRegClass>
- : FR<0x1f, 0x3b, (outs CPURegClass:$rt), (ins HWRegClass:$rd),
- "rdhwr\t$rt, $rd", [], IIAlu> {
- let rs = 0;
- let shamt = 0;
-}
+class ReadHardware<RegisterClass CPURegClass, RegisterOperand RO> :
+ InstSE<(outs CPURegClass:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
+ IIAlu, FrmR>;
// Ext and Ins
-class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
- FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
- !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
- [(set RC:$rt, (MipsExt RC:$rs, imm:$pos, imm:$sz))], NoItinerary> {
- bits<5> pos;
- bits<5> sz;
- let rd = sz;
- let shamt = pos;
+class ExtBase<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rt), (ins RO:$rs, uimm16:$pos, size_ext:$size),
+ !strconcat(opstr, " $rt, $rs, $pos, $size"),
+ [(set RO:$rt, (MipsExt RO:$rs, imm:$pos, imm:$size))], NoItinerary,
+ FrmR> {
let Predicates = [HasMips32r2, HasStdEnc];
}
-class InsBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
- FR<0x1f, _funct, (outs RC:$rt),
- (ins RC:$rs, uimm16:$pos, size_ins:$sz, RC:$src),
- !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
- [(set RC:$rt, (MipsIns RC:$rs, imm:$pos, imm:$sz, RC:$src))],
- NoItinerary> {
- bits<5> pos;
- bits<5> sz;
- let rd = sz;
- let shamt = pos;
+class InsBase<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rt), (ins RO:$rs, uimm16:$pos, size_ins:$size, RO:$src),
+ !strconcat(opstr, " $rt, $rs, $pos, $size"),
+ [(set RO:$rt, (MipsIns RO:$rs, imm:$pos, imm:$size, RO:$src))],
+ NoItinerary, FrmR> {
let Predicates = [HasMips32r2, HasStdEnc];
let Constraints = "$src = $rt";
}
// Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
-class Atomic2Ops<PatFrag Op, string Opstr, RegisterClass DRC,
- RegisterClass PRC> :
+class Atomic2Ops<PatFrag Op, RegisterClass DRC, RegisterClass PRC> :
PseudoSE<(outs DRC:$dst), (ins PRC:$ptr, DRC:$incr),
- !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
[(set DRC:$dst, (Op PRC:$ptr, DRC:$incr))]>;
-multiclass Atomic2Ops32<PatFrag Op, string Opstr> {
- def #NAME# : Atomic2Ops<Op, Opstr, CPURegs, CPURegs>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass Atomic2Ops32<PatFrag Op> {
+ def NAME : Atomic2Ops<Op, CPURegs, CPURegs>, Requires<[NotN64, HasStdEnc]>;
+ def _P8 : Atomic2Ops<Op, CPURegs, CPU64Regs>,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
}
}
// Atomic Compare & Swap.
-class AtomicCmpSwap<PatFrag Op, string Width, RegisterClass DRC,
- RegisterClass PRC> :
+class AtomicCmpSwap<PatFrag Op, RegisterClass DRC, RegisterClass PRC> :
PseudoSE<(outs DRC:$dst), (ins PRC:$ptr, DRC:$cmp, DRC:$swap),
- !strconcat("atomic_cmp_swap_", Width, "\t$dst, $ptr, $cmp, $swap"),
[(set DRC:$dst, (Op PRC:$ptr, DRC:$cmp, DRC:$swap))]>;
-multiclass AtomicCmpSwap32<PatFrag Op, string Width> {
- def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>,
- Requires<[NotN64, HasStdEnc]>;
- def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>,
- Requires<[IsN64, HasStdEnc]> {
+multiclass AtomicCmpSwap32<PatFrag Op> {
+ def NAME : AtomicCmpSwap<Op, CPURegs, CPURegs>,
+ Requires<[NotN64, HasStdEnc]>;
+ def _P8 : AtomicCmpSwap<Op, CPURegs, CPU64Regs>,
+ Requires<[IsN64, HasStdEnc]> {
let DecoderNamespace = "Mips64";
}
}
-class LLBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
- FMem<Opc, (outs RC:$rt), (ins Mem:$addr),
- !strconcat(opstring, "\t$rt, $addr"), [], IILoad> {
+class LLBase<string opstr, RegisterOperand RO, Operand Mem> :
+ InstSE<(outs RO:$rt), (ins Mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
+ [], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
let mayLoad = 1;
}
-class SCBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
- FMem<Opc, (outs RC:$dst), (ins RC:$rt, Mem:$addr),
- !strconcat(opstring, "\t$rt, $addr"), [], IIStore> {
+class SCBase<string opstr, RegisterOperand RO, Operand Mem> :
+ InstSE<(outs RO:$dst), (ins RO:$rt, Mem:$addr),
+ !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
+ let DecoderMethod = "DecodeMem";
let mayStore = 1;
let Constraints = "$rt = $dst";
}
+class MFC3OP<dag outs, dag ins, string asmstr> :
+ InstSE<outs, ins, asmstr, [], NoItinerary, FrmFR>;
+
//===----------------------------------------------------------------------===//
// Pseudo instructions
//===----------------------------------------------------------------------===//
// Return RA.
let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
-def RetRA : PseudoSE<(outs), (ins), "", [(MipsRet)]>;
+def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
- "!ADJCALLSTACKDOWN $amt",
[(callseq_start timm:$amt)]>;
def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
- "!ADJCALLSTACKUP $amt1",
[(callseq_end timm:$amt1, timm:$amt2)]>;
}
-// When handling PIC code the assembler needs .cpload and .cprestore
-// directives. If the real instructions corresponding these directives
-// are used, we have the same behavior, but get also a bunch of warnings
-// from the assembler.
-let neverHasSideEffects = 1 in
-def CPRESTORE : PseudoSE<(outs), (ins i32imm:$loc, CPURegs:$gp),
- ".cprestore\t$loc", []>;
-
let usesCustomInserter = 1 in {
- defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
- defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16, "load_add_16">;
- defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32, "load_add_32">;
- defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8, "load_sub_8">;
- defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16, "load_sub_16">;
- defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32, "load_sub_32">;
- defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8, "load_and_8">;
- defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16, "load_and_16">;
- defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32, "load_and_32">;
- defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8, "load_or_8">;
- defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16, "load_or_16">;
- defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32, "load_or_32">;
- defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8, "load_xor_8">;
- defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16, "load_xor_16">;
- defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32, "load_xor_32">;
- defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8, "load_nand_8">;
- defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16, "load_nand_16">;
- defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32, "load_nand_32">;
-
- defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8, "swap_8">;
- defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16, "swap_16">;
- defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32, "swap_32">;
-
- defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8, "8">;
- defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16, "16">;
- defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32, "32">;
+ defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8>;
+ defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16>;
+ defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32>;
+ defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8>;
+ defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16>;
+ defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32>;
+ defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8>;
+ defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16>;
+ defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32>;
+ defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8>;
+ defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16>;
+ defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32>;
+ defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8>;
+ defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16>;
+ defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32>;
+ defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8>;
+ defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16>;
+ defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32>;
+
+ defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8>;
+ defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16>;
+ defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32>;
+
+ defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8>;
+ defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16>;
+ 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
//===----------------------------------------------------------------------===//
-
-class LoadImm32< string instr_asm, Operand Od, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
- !strconcat(instr_asm, "\t$rt, $imm32")> ;
-def LoadImm32Reg : LoadImm32<"li", shamt,CPURegs>;
-
-class LoadAddress<string instr_asm, Operand MemOpnd, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$rt), (ins MemOpnd:$addr),
- !strconcat(instr_asm, "\t$rt, $addr")> ;
-def LoadAddr32Reg : LoadAddress<"la", mem, CPURegs>;
-
-class LoadAddressImm<string instr_asm, Operand Od, RegisterClass RC> :
- MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
- !strconcat(instr_asm, "\t$rt, $imm32")> ;
-def LoadAddr32Imm : LoadAddressImm<"la", shamt,CPURegs>;
-
//===----------------------------------------------------------------------===//
// MipsI Instructions
//===----------------------------------------------------------------------===//
/// Arithmetic Instructions (ALU Immediate)
-def ADDiu : ArithLogicI<"addiu", simm16, immSExt16, CPURegs, add>,
+def ADDiu : MMRel, ArithLogicI<"addiu", simm16, CPURegsOpnd, immSExt16, add>,
ADDI_FM<0x9>, IsAsCheapAsAMove;
-def ADDi : ArithLogicI<"addi", simm16, immSExt16, CPURegs>, ADDI_FM<0x8>;
-def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16, CPURegs>;
-def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16, CPURegs>;
-def ANDi : ArithLogicI<"andi", uimm16, immZExt16, CPURegs, and>, ADDI_FM<0xc>;
-def ORi : ArithLogicI<"ori", uimm16, immZExt16, CPURegs, or>, ADDI_FM<0xd>;
-def XORi : ArithLogicI<"xori", uimm16, immZExt16, CPURegs, xor>, ADDI_FM<0xe>;
-def LUi : LoadUpper<0x0f, "lui", CPURegs, uimm16>;
+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 : MMRel, ArithLogicI<"ori", uimm16, CPURegsOpnd, immZExt16, or>,
+ ADDI_FM<0xd>;
+def XORi : MMRel, ArithLogicI<"xori", uimm16, CPURegsOpnd, immZExt16, xor>,
+ ADDI_FM<0xe>;
+def LUi : MMRel, LoadUpper<"lui", CPURegs, uimm16>, LUI_FM;
/// Arithmetic Instructions (3-Operand, R-Type)
-def ADDu : ArithLogicR<"addu", IIAlu, CPURegs, 1, add>, ADD_FM<0, 0x21>;
-def SUBu : ArithLogicR<"subu", IIAlu, CPURegs, 0, sub>, ADD_FM<0, 0x23>;
-def ADD : ArithLogicR<"add", IIAlu, CPURegs, 1>, ADD_FM<0, 0x20>;
-def SUB : ArithLogicR<"sub", IIAlu, CPURegs, 0>, ADD_FM<0, 0x22>;
-def SLT : SetCC_R<0x00, 0x2a, "slt", setlt, CPURegs>;
-def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult, CPURegs>;
-def AND : ArithLogicR<"and", IIAlu, CPURegs, 1, and>, ADD_FM<0, 0x24>;
-def OR : ArithLogicR<"or", IIAlu, CPURegs, 1, or>, ADD_FM<0, 0x25>;
-def XOR : ArithLogicR<"xor", IIAlu, CPURegs, 1, xor>, ADD_FM<0, 0x26>;
-def NOR : LogicNOR<0x00, 0x27, "nor", CPURegs>;
+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_imm32<0x00, 0x00, "sll", shl>;
-def SRL : shift_rotate_imm32<0x02, 0x00, "srl", srl>;
-def SRA : shift_rotate_imm32<0x03, 0x00, "sra", sra>;
-def SLLV : shift_rotate_reg<0x04, 0x00, "sllv", shl, CPURegs>;
-def SRLV : shift_rotate_reg<0x06, 0x00, "srlv", srl, CPURegs>;
-def SRAV : shift_rotate_reg<0x07, 0x00, "srav", sra, CPURegs>;
+def SLL : MMRel, shift_rotate_imm<"sll", shamt, CPURegsOpnd, shl, immZExt5>,
+ SRA_FM<0, 0>;
+def SRL : MMRel, shift_rotate_imm<"srl", shamt, CPURegsOpnd, srl, immZExt5>,
+ SRA_FM<2, 0>;
+def SRA : MMRel, shift_rotate_imm<"sra", shamt, CPURegsOpnd, sra, immZExt5>,
+ SRA_FM<3, 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_imm32<0x02, 0x01, "rotr", rotr>;
- def ROTRV : shift_rotate_reg<0x06, 0x01, "rotrv", rotr, CPURegs>;
+ def ROTR : MMRel, shift_rotate_imm<"rotr", shamt, CPURegsOpnd, rotr,
+ immZExt5>,
+ SRA_FM<2, 1>;
+ def ROTRV : MMRel, shift_rotate_reg<"rotrv", CPURegsOpnd, rotr>,
+ SRLV_FM<6, 1>;
}
/// Load and Store Instructions
/// aligned
-defm LB : LoadM32<0x20, "lb", sextloadi8>;
-defm LBu : LoadM32<0x24, "lbu", zextloadi8>;
-defm LH : LoadM32<0x21, "lh", sextloadi16>;
-defm LHu : LoadM32<0x25, "lhu", zextloadi16>;
-defm LW : LoadM32<0x23, "lw", load>;
-defm SB : StoreM32<0x28, "sb", truncstorei8>;
-defm SH : StoreM32<0x29, "sh", truncstorei16>;
-defm SW : StoreM32<0x2b, "sw", store>;
+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 : LoadLeftRightM32<0x22, "lwl", MipsLWL>;
-defm LWR : LoadLeftRightM32<0x26, "lwr", MipsLWR>;
-defm SWL : StoreLeftRightM32<0x2a, "swl", MipsSWL>;
-defm SWR : StoreLeftRightM32<0x2e, "swr", MipsSWR>;
+defm LWL : LoadLeftRightM<"lwl", MipsLWL, CPURegs>, LW_FM<0x22>;
+defm LWR : LoadLeftRightM<"lwr", MipsLWR, CPURegs>, LW_FM<0x26>;
+defm SWL : StoreLeftRightM<"swl", MipsSWL, CPURegs>, LW_FM<0x2a>;
+defm SWR : StoreLeftRightM<"swr", MipsSWR, CPURegs>, LW_FM<0x2e>;
-let hasSideEffects = 1 in
-def SYNC : InstSE<(outs), (ins i32imm:$stype), "sync $stype",
- [(MipsSync imm:$stype)], NoItinerary, FrmOther>
-{
- bits<5> stype;
- let Opcode = 0;
- let Inst{25-11} = 0;
- let Inst{10-6} = stype;
- let Inst{5-0} = 15;
-}
+def SYNC : SYNC_FT, SYNC_FM;
+def TEQ : TEQ_FT<"teq", CPURegsOpnd>, TEQ_FM<0x34>;
/// Load-linked, Store-conditional
-def LL : LLBase<0x30, "ll", CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
-def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
+let Predicates = [NotN64, HasStdEnc] in {
+ def LL : LLBase<"ll", CPURegsOpnd, mem>, LW_FM<0x30>;
+ def SC : SCBase<"sc", CPURegsOpnd, mem>, LW_FM<0x38>;
}
-def SC : SCBase<0x38, "sc", CPURegs, mem>,
- Requires<[NotN64, HasStdEnc]>;
-def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>,
- Requires<[IsN64, HasStdEnc]> {
- let DecoderNamespace = "Mips64";
+let Predicates = [IsN64, HasStdEnc], DecoderNamespace = "Mips64" in {
+ def LL_P8 : LLBase<"ll", CPURegsOpnd, mem64>, LW_FM<0x30>;
+ def SC_P8 : SCBase<"sc", CPURegsOpnd, mem64>, LW_FM<0x38>;
}
/// Jump and Branch Instructions
-def J : JumpFJ<0x02, jmptarget, "j", br, bb>,
+def J : JumpFJ<jmptarget, "j", br, bb>, FJ<2>,
Requires<[RelocStatic, HasStdEnc]>, IsBranch;
-def JR : IndirectBranch<CPURegs>;
-def B : UncondBranch<0x04, "b">;
-def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
-def BNE : CBranch<0x05, "bne", setne, CPURegs>;
-def BGEZ : CBranchZero<0x01, 1, "bgez", setge, CPURegs>;
-def BGTZ : CBranchZero<0x07, 0, "bgtz", setgt, CPURegs>;
-def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
-def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
-
-let rt = 0, rs = 0, isBranch = 1, isTerminator = 1, isBarrier = 1,
- hasDelaySlot = 1, Defs = [RA] in
-def BAL_BR: FI<0x1, (outs), (ins brtarget:$imm16), "bal\t$imm16", [], IIBranch>;
-
-def JAL : JumpLink<0x03, "jal">;
-def JALR : JumpLinkReg<0x00, 0x09, "jalr", CPURegs>;
-def BGEZAL : BranchLink<"bgezal", 0x11, CPURegs>;
-def BLTZAL : BranchLink<"bltzal", 0x10, CPURegs>;
-def TAILCALL : JumpFJ<0x02, calltarget, "j", MipsTailCall, imm>, IsTailCall;
-def TAILCALL_R : JumpFR<CPURegs, MipsTailCall>, IsTailCall;
-
-def RET : RetBase<CPURegs>;
+def JR : IndirectBranch<CPURegs>, MTLO_FM<8>;
+def B : UncondBranch<"b">, B_FM;
+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;
+
+def JAL : JumpLink<"jal">, FJ<3>;
+def JALR : JumpLinkReg<"jalr", CPURegs>, JALR_FM;
+def JALRPseudo : JumpLinkRegPseudo<CPURegs, JALR, RA>;
+def BGEZAL : BGEZAL_FT<"bgezal", CPURegsOpnd>, BGEZAL_FM<0x11>;
+def BLTZAL : BGEZAL_FT<"bltzal", CPURegsOpnd>, BGEZAL_FM<0x10>;
+def TAILCALL : JumpFJ<calltarget, "j", MipsTailCall, imm>, FJ<2>, IsTailCall;
+def TAILCALL_R : JumpFR<CPURegs, MipsTailCall>, MTLO_FM<8>, IsTailCall;
+
+def RET : RetBase<CPURegs>, MTLO_FM<8>;
+
+// Exception handling related node and instructions.
+// The conversion sequence is:
+// ISD::EH_RETURN -> MipsISD::EH_RETURN ->
+// MIPSeh_return -> (stack change + indirect branch)
+//
+// MIPSeh_return takes the place of regular return instruction
+// but takes two arguments (V1, V0) which are used for storing
+// the offset and return address respectively.
+def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
-/// Multiply and Divide Instructions.
-def MULT : Mult32<0x18, "mult", IIImul>;
-def MULTu : Mult32<0x19, "multu", IIImul>;
-def SDIV : Div32<MipsDivRem, 0x1a, "div", IIIdiv>;
-def UDIV : Div32<MipsDivRemU, 0x1b, "divu", IIIdiv>;
+def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
+ [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
-def MTHI : MoveToLOHI<0x11, "mthi", CPURegs, [HI]>;
-def MTLO : MoveToLOHI<0x13, "mtlo", CPURegs, [LO]>;
-def MFHI : MoveFromLOHI<0x10, "mfhi", CPURegs, [HI]>;
-def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
+let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
+ def MIPSeh_return32 : MipsPseudo<(outs), (ins CPURegs:$spoff, CPURegs:$dst),
+ [(MIPSehret CPURegs:$spoff, CPURegs:$dst)]>;
+ def MIPSeh_return64 : MipsPseudo<(outs), (ins CPU64Regs:$spoff,
+ CPU64Regs:$dst),
+ [(MIPSehret CPU64Regs:$spoff, CPU64Regs:$dst)]>;
+}
+
+/// Multiply and Divide Instructions.
+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 MFHI : MoveFromLOHI<"mfhi", CPURegs, [HI]>, MFLO_FM<0x10>;
+def MFLO : MoveFromLOHI<"mflo", CPURegs, [LO]>, MFLO_FM<0x12>;
/// Sign Ext In Register Instructions.
-def SEB : SignExtInReg<0x10, "seb", i8, CPURegs>;
-def SEH : SignExtInReg<0x18, "seh", i16, CPURegs>;
+def SEB : SignExtInReg<"seb", i8, CPURegs>, SEB_FM<0x10, 0x20>;
+def SEH : SignExtInReg<"seh", i16, CPURegs>, SEB_FM<0x18, 0x20>;
/// Count Leading
-def CLZ : CountLeading0<0x20, "clz", CPURegs>;
-def CLO : CountLeading1<0x21, "clo", CPURegs>;
+def CLZ : CountLeading0<"clz", CPURegsOpnd>, CLO_FM<0x20>;
+def CLO : CountLeading1<"clo", CPURegsOpnd>, CLO_FM<0x21>;
/// Word Swap Bytes Within Halfwords
-def WSBH : SubwordSwap<0x20, 0x2, "wsbh", CPURegs>;
+def WSBH : SubwordSwap<"wsbh", CPURegsOpnd>, SEB_FM<2, 0x20>;
-/// No operation
-let addr=0 in
- def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
+/// No operation.
+def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
// FrameIndexes are legalized when they are operands from load/store
// instructions. The same not happens for stack address copies, so an
// add op with mem ComplexPattern is used and the stack address copy
// can be matched. It's similar to Sparc LEA_ADDRi
-def LEA_ADDiu : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>;
+def LEA_ADDiu : EffectiveAddress<"addiu", CPURegs, mem_ea>, LW_FM<9>;
// MADD*/MSUB*
-def MADD : MArithR<0, "madd", MipsMAdd, 1>;
-def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
-def MSUB : MArithR<4, "msub", MipsMSub>;
-def MSUBU : MArithR<5, "msubu", MipsMSubu>;
+def MADD : MArithR<"madd", 1>, MULT_FM<0x1c, 0>;
+def MADDU : MArithR<"maddu", 1>, MULT_FM<0x1c, 1>;
+def MSUB : MArithR<"msub">, MULT_FM<0x1c, 4>;
+def MSUBU : MArithR<"msubu">, MULT_FM<0x1c, 5>;
+def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd>;
+def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu>;
+def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub>;
+def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu>;
-// MUL is a assembly macro in the current used ISAs. In recent ISA's
-// it is a real instruction.
-def MUL : ArithLogicR<"mul", IIImul, CPURegs, 1, mul>, ADD_FM<0x1c, 0x02>;
+def RDHWR : ReadHardware<CPURegs, HWRegsOpnd>, RDHWR_FM;
-def RDHWR : ReadHardware<CPURegs, HWRegs>;
+def EXT : ExtBase<"ext", CPURegsOpnd>, EXT_FM<0>;
+def INS : InsBase<"ins", CPURegsOpnd>, EXT_FM<4>;
-def EXT : ExtBase<0, "ext", CPURegs>;
-def INS : InsBase<4, "ins", CPURegs>;
+/// Move Control Registers From/To CPU Registers
+def MFC0_3OP : MFC3OP<(outs CPURegsOpnd:$rt),
+ (ins CPURegsOpnd:$rd, uimm16:$sel),
+ "mfc0\t$rt, $rd, $sel">, MFC3OP_FM<0x10, 0>;
+
+def MTC0_3OP : MFC3OP<(outs CPURegsOpnd:$rd, uimm16:$sel),
+ (ins CPURegsOpnd:$rt),
+ "mtc0\t$rt, $rd, $sel">, MFC3OP_FM<0x10, 4>;
+
+def MFC2_3OP : MFC3OP<(outs CPURegsOpnd:$rt),
+ (ins CPURegsOpnd:$rd, uimm16:$sel),
+ "mfc2\t$rt, $rd, $sel">, MFC3OP_FM<0x12, 0>;
+
+def MTC2_3OP : MFC3OP<(outs CPURegsOpnd:$rd, uimm16:$sel),
+ (ins CPURegsOpnd:$rt),
+ "mtc2\t$rt, $rd, $sel">, MFC3OP_FM<0x12, 4>;
//===----------------------------------------------------------------------===//
// Instruction aliases
//===----------------------------------------------------------------------===//
-def : InstAlias<"move $dst,$src", (ADD CPURegs:$dst,CPURegs:$src,ZERO)>;
-def : InstAlias<"bal $offset", (BGEZAL RA,brtarget:$offset)>;
-def : InstAlias<"addu $rs,$rt,$imm",
- (ADDiu CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
-def : InstAlias<"add $rs,$rt,$imm",
- (ADDi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
-def : InstAlias<"and $rs,$rt,$imm",
- (ANDi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
-def : InstAlias<"j $rs", (JR CPURegs:$rs)>;
-def : InstAlias<"not $rt,$rs", (NOR CPURegs:$rt,CPURegs:$rs,ZERO)>;
-def : InstAlias<"neg $rt,$rs", (SUB CPURegs:$rt,ZERO,CPURegs:$rs)>;
-def : InstAlias<"negu $rt,$rs", (SUBu CPURegs:$rt,ZERO,CPURegs:$rs)>;
-def : InstAlias<"slt $rs,$rt,$imm",
- (SLTi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
-def : InstAlias<"xor $rs,$rt,$imm",
- (XORi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
+def : InstAlias<"move $dst, $src",
+ (ADDu CPURegsOpnd:$dst, CPURegsOpnd:$src,ZERO), 1>,
+ Requires<[NotMips64]>;
+def : InstAlias<"move $dst, $src",
+ (OR CPURegsOpnd:$dst, CPURegsOpnd:$src,ZERO), 1>,
+ Requires<[NotMips64]>;
+def : InstAlias<"bal $offset", (BGEZAL RA, brtarget:$offset), 1>;
+def : InstAlias<"addu $rs, $rt, $imm",
+ (ADDiu CPURegsOpnd:$rs, CPURegsOpnd:$rt, simm16:$imm), 0>;
+def : InstAlias<"add $rs, $rt, $imm",
+ (ADDi CPURegsOpnd:$rs, CPURegsOpnd:$rt, simm16:$imm), 0>;
+def : InstAlias<"and $rs, $rt, $imm",
+ (ANDi CPURegsOpnd:$rs, CPURegsOpnd:$rt, simm16:$imm), 0>;
+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, $rs",
+ (SUB CPURegsOpnd:$rt, ZERO, CPURegsOpnd:$rs), 1>;
+def : InstAlias<"negu $rt, $rs",
+ (SUBu CPURegsOpnd:$rt, ZERO, CPURegsOpnd:$rs), 1>;
+def : InstAlias<"slt $rs, $rt, $imm",
+ (SLTi CPURegsOpnd:$rs, CPURegs:$rt, simm16:$imm), 0>;
+def : InstAlias<"xor $rs, $rt, $imm",
+ (XORi CPURegsOpnd:$rs, CPURegsOpnd:$rt, uimm16:$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>;
+def : InstAlias<"mtc0 $rt, $rd",
+ (MTC0_3OP CPURegsOpnd:$rd, 0, CPURegsOpnd:$rt), 0>;
+def : InstAlias<"mfc2 $rt, $rd",
+ (MFC2_3OP CPURegsOpnd:$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
+//===----------------------------------------------------------------------===//
+
+class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
+ MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
+ !strconcat(instr_asm, "\t$rt, $imm32")> ;
+def LoadImm32Reg : LoadImm32<"li", shamt,CPURegsOpnd>;
+
+class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
+ MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
+ !strconcat(instr_asm, "\t$rt, $addr")> ;
+def LoadAddr32Reg : LoadAddress<"la", mem, CPURegsOpnd>;
+
+class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
+ MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
+ !strconcat(instr_asm, "\t$rt, $imm32")> ;
+def LoadAddr32Imm : LoadAddressImm<"la", shamt,CPURegsOpnd>;
+
+
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
+// Load/store pattern templates.
+class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
+ MipsPat<(ValTy (Node addrRegImm:$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)),
// Mips does not have "not", so we expand our way
def : MipsPat<(not CPURegs:$in),
- (NOR CPURegs:$in, ZERO)>;
+ (NOR CPURegsOpnd:$in, ZERO)>;
// extended loads
let Predicates = [NotN64, HasStdEnc] in {
defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
+def : MipsPat<(brcond (i32 (setlt i32:$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"