//
//===----------------------------------------------------------------------===//
-//===----------------------------------------------------------------------===//
-// Instruction format superclass
-//===----------------------------------------------------------------------===//
-
-include "MipsInstrFormats.td"
//===----------------------------------------------------------------------===//
// Mips profiles and nodes
//===----------------------------------------------------------------------===//
-def SDT_MipsRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
SDTCisSameAs<1, 2>,
SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
SDTCisSameAs<0, 4>]>;
+def SDTMipsLoadLR : SDTypeProfile<1, 2,
+ [SDTCisInt<0>, SDTCisPtrTy<1>,
+ SDTCisSameAs<0, 2>]>;
+
// Call
def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
[SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
// Return
-def MipsRet : SDNode<"MipsISD::Ret", SDT_MipsRet, [SDNPHasChain,
- SDNPOptInGlue]>;
+def MipsRet : SDNode<"MipsISD::Ret", SDTNone, [SDNPHasChain, SDNPOptInGlue]>;
// These are target-independent nodes, but have target-specific formats.
def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
- [SDNPHasChain, SDNPOutGlue]>;
+ [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
- [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
+ [SDNPHasChain, SDNPSideEffect,
+ SDNPOptInGlue, SDNPOutGlue]>;
// MAdd*/MSub* nodes
def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub,
// target constant nodes that would otherwise remain unchanged with ADDiu
// nodes. Without these wrapper node patterns, the following conditional move
// instrucion is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
-// compiled:
+// compiled:
// movn %got(d)($gp), %got(c)($gp), $4
// This instruction is illegal since movn can take only register operands.
-def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntUnaryOp>;
+def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
// Pointer to dynamically allocated stack area.
def MipsDynAlloc : SDNode<"MipsISD::DynAlloc", SDT_MipsDynAlloc,
[SDNPHasChain, SDNPInGlue]>;
-def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain]>;
+def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
+def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
+ [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
+def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
+ [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
+def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
+ [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
+def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
+ [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
+def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
+ [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
+def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
+ [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
+def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
+ [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
+def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
+ [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
+
//===----------------------------------------------------------------------===//
// Mips Instruction Predicate Definitions.
//===----------------------------------------------------------------------===//
-def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">;
-def HasBitCount : Predicate<"Subtarget.hasBitCount()">;
-def HasSwap : Predicate<"Subtarget.hasSwap()">;
-def HasCondMov : Predicate<"Subtarget.hasCondMov()">;
-def HasMips32 : Predicate<"Subtarget.hasMips32()">;
-def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">;
-def HasMips64 : Predicate<"Subtarget.hasMips64()">;
-def NotMips64 : Predicate<"!Subtarget.hasMips64()">;
-def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">;
-def IsN64 : Predicate<"Subtarget.isABI_N64()">;
-def NotN64 : Predicate<"!Subtarget.isABI_N64()">;
-def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
-def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">;
+def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">,
+ AssemblerPredicate<"FeatureSEInReg">;
+def HasBitCount : Predicate<"Subtarget.hasBitCount()">,
+ AssemblerPredicate<"FeatureBitCount">;
+def HasSwap : Predicate<"Subtarget.hasSwap()">,
+ AssemblerPredicate<"FeatureSwap">;
+def HasCondMov : Predicate<"Subtarget.hasCondMov()">,
+ AssemblerPredicate<"FeatureCondMov">;
+def HasMips32 : Predicate<"Subtarget.hasMips32()">,
+ AssemblerPredicate<"FeatureMips32">;
+def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
+ AssemblerPredicate<"FeatureMips32r2">;
+def HasMips64 : Predicate<"Subtarget.hasMips64()">,
+ AssemblerPredicate<"FeatureMips64">;
+def HasMips32r2Or64 : Predicate<"Subtarget.hasMips32r2Or64()">,
+ AssemblerPredicate<"FeatureMips32r2,FeatureMips64">;
+def NotMips64 : Predicate<"!Subtarget.hasMips64()">,
+ AssemblerPredicate<"!FeatureMips64">;
+def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
+ AssemblerPredicate<"FeatureMips64r2">;
+def IsN64 : Predicate<"Subtarget.isABI_N64()">,
+ AssemblerPredicate<"FeatureN64">;
+def NotN64 : Predicate<"!Subtarget.isABI_N64()">,
+ AssemblerPredicate<"!FeatureN64">;
+def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
+ AssemblerPredicate<"FeatureMips16">;
+def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
+ AssemblerPredicate<"FeatureMips32">;
+def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
+ AssemblerPredicate<"FeatureMips32">;
+def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">,
+ AssemblerPredicate<"FeatureMips32">;
+def HasStandardEncoding : Predicate<"Subtarget.hasStandardEncoding()">,
+ AssemblerPredicate<"!FeatureMips16">;
+
+class MipsPat<dag pattern, dag result> : Pat<pattern, result> {
+ let Predicates = [HasStandardEncoding];
+}
+
+//===----------------------------------------------------------------------===//
+// Instruction format superclass
+//===----------------------------------------------------------------------===//
+
+include "MipsInstrFormats.td"
//===----------------------------------------------------------------------===//
// Mips Operand, Complex Patterns and Transformations Definitions.
def brtarget : Operand<OtherVT> {
let EncoderMethod = "getBranchTargetOpValue";
let OperandType = "OPERAND_PCREL";
+ let DecoderMethod = "DecodeBranchTarget";
}
def calltarget : Operand<iPTR> {
let EncoderMethod = "getJumpTargetOpValue";
}
def calltarget64: Operand<i64>;
-def simm16 : Operand<i32>;
+def simm16 : Operand<i32> {
+ let DecoderMethod= "DecodeSimm16";
+}
def simm16_64 : Operand<i64>;
def shamt : Operand<i32>;
let PrintMethod = "printUnsignedImm";
}
+def MipsMemAsmOperand : AsmOperandClass {
+ let Name = "Mem";
+ let ParserMethod = "parseMemOperand";
+}
+
// Address operand
def mem : Operand<i32> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops CPURegs, simm16);
let EncoderMethod = "getMemEncoding";
+ let ParserMatchClass = MipsMemAsmOperand;
}
def mem64 : Operand<i64> {
let PrintMethod = "printMemOperand";
let MIOperandInfo = (ops CPU64Regs, simm16_64);
+ let EncoderMethod = "getMemEncoding";
+ let ParserMatchClass = MipsMemAsmOperand;
}
def mem_ea : Operand<i32> {
// size operand of ext instruction
def size_ext : Operand<i32> {
let EncoderMethod = "getSizeExtEncoding";
+ let DecoderMethod = "DecodeExtSize";
}
// size operand of ins instruction
def size_ins : Operand<i32> {
let EncoderMethod = "getSizeInsEncoding";
+ let DecoderMethod = "DecodeInsSize";
}
// Transformation Function - get the lower 16 bits.
// 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], []>;
+def addr :
+ ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], [SDNPWantParent]>;
//===----------------------------------------------------------------------===//
// Pattern fragment for load/store
[(set RC:$rd, (OpNode RC:$rs, RC:$rt))], itin> {
let shamt = 0;
let isCommutable = isComm;
+ let isReMaterializable = 1;
}
class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm,
Operand Od, PatLeaf imm_type, RegisterClass RC> :
FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
!strconcat(instr_asm, "\t$rt, $rs, $imm16"),
- [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu>;
+ [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu> {
+ let isReMaterializable = 1;
+}
class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
Operand Od, PatLeaf imm_type, RegisterClass RC> :
FI<op, (outs RC:$rt), (ins Imm:$imm16),
!strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu> {
let rs = 0;
+ let neverHasSideEffects = 1;
+ let isReMaterializable = 1;
}
class FMem<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
bits<21> addr;
let Inst{25-21} = addr{20-16};
let Inst{15-0} = addr{15-0};
+ let DecoderMethod = "DecodeMem";
}
// Memory Load/Store
let isPseudo = Pseudo;
}
-// Unaligned Memory Load/Store
-let canFoldAsLoad = 1 in
-class LoadUnAlign<bits<6> op, RegisterClass RC, Operand MemOpnd>:
- FMem<op, (outs RC:$rt), (ins MemOpnd:$addr), "", [], IILoad> {}
-
-class StoreUnAlign<bits<6> op, RegisterClass RC, Operand MemOpnd>:
- FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr), "", [], IIStore> {}
-
// 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]>;
+ Requires<[NotN64, HasStandardEncoding]>;
def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
- Requires<[IsN64]>;
-}
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 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]>;
+ Requires<[NotN64, HasStandardEncoding]>;
def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
- Requires<[IsN64]>;
-}
-
-// 32-bit load.
-multiclass LoadUnAlign32<bits<6> op> {
- def #NAME# : LoadUnAlign<op, CPURegs, mem>,
- Requires<[NotN64]>;
- def _P8 : LoadUnAlign<op, CPURegs, mem64>,
- Requires<[IsN64]>;
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 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]>;
+ Requires<[NotN64, HasStandardEncoding]>;
def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
- Requires<[IsN64]>;
+ Requires<[IsN64, HasStandardEncoding]> {
+ 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]>;
+ Requires<[NotN64, HasStandardEncoding]>;
def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
- Requires<[IsN64]>;
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
}
-// 32-bit store.
-multiclass StoreUnAlign32<bits<6> op> {
- def #NAME# : StoreUnAlign<op, CPURegs, mem>,
- Requires<[NotN64]>;
- def _P8 : StoreUnAlign<op, CPURegs, mem64>,
- Requires<[IsN64]>;
+// 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> {
+ 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, HasStandardEncoding]>;
+ def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ 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, HasStandardEncoding]>;
+ def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
+}
+
+// 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, HasStandardEncoding]>;
+ def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ 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, HasStandardEncoding]>;
+ def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
}
// Conditional Branch
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,
let isBranch = 1;
let isTerminator = 1;
let hasDelaySlot = 1;
+ let Defs = [AT];
}
// SetCC
let isTerminator=1;
let isBarrier=1;
let hasDelaySlot = 1;
- let Predicates = [RelocStatic];
+ let Predicates = [RelocStatic, HasStandardEncoding];
+ let DecoderMethod = "DecodeJumpTarget";
+ let Defs = [AT];
}
// Unconditional branch
let isTerminator = 1;
let isBarrier = 1;
let hasDelaySlot = 1;
- let Predicates = [RelocPIC];
+ let Predicates = [RelocPIC, HasStandardEncoding];
+ let Defs = [AT];
}
-let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1,
- isIndirectBranch = 1 in
-class JumpFR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
- FR<op, func, (outs), (ins RC:$rs),
- !strconcat(instr_asm, "\t$rs"), [(brind RC:$rs)], IIBranch> {
+// Base class for indirect branch and return instruction classes.
+let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
+class JumpFR<RegisterClass RC, list<dag> pattern>:
+ FR<0, 0x8, (outs), (ins RC:$rs), "jr\t$rs", pattern, IIBranch> {
let rt = 0;
let rd = 0;
let shamt = 0;
}
+// Indirect branch
+class IndirectBranch<RegisterClass RC>: JumpFR<RC, [(brind RC:$rs)]> {
+ let isBranch = 1;
+ let isIndirectBranch = 1;
+}
+
+// Return instruction
+class RetBase<RegisterClass RC>: JumpFR<RC, []> {
+ let isReturn = 1;
+ let isCodeGenOnly = 1;
+ let hasCtrlDep = 1;
+ let hasExtraSrcRegAllocReq = 1;
+}
+
// Jump and Link (Call)
-let isCall=1, hasDelaySlot=1 in {
+let isCall=1, hasDelaySlot=1, Defs = [RA] in {
class JumpLink<bits<6> op, string instr_asm>:
- FJ<op, (outs), (ins calltarget:$target, variable_ops),
+ FJ<op, (outs), (ins calltarget:$target),
!strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
- IIBranch>;
+ IIBranch> {
+ let DecoderMethod = "DecodeJumpTarget";
+ }
class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm,
RegisterClass RC>:
- FR<op, func, (outs), (ins RC:$rs, variable_ops),
+ FR<op, func, (outs), (ins RC:$rs),
!strconcat(instr_asm, "\t$rs"), [(MipsJmpLink RC:$rs)], IIBranch> {
let rt = 0;
let rd = 31;
}
class BranchLink<string instr_asm, bits<5> _rt, RegisterClass RC>:
- FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16, variable_ops),
+ FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16),
!strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch> {
let rt = _rt;
}
let shamt = 0;
let isCommutable = 1;
let Defs = DefRegs;
+ let neverHasSideEffects = 1;
}
class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
let rt = 0;
let shamt = 0;
let Uses = UseRegs;
+ let neverHasSideEffects = 1;
}
class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
let rd = 0;
let shamt = 0;
let Defs = DefRegs;
+ let neverHasSideEffects = 1;
}
-class EffectiveAddress<string instr_asm, RegisterClass RC, Operand Mem> :
- FMem<0x09, (outs RC:$rt), (ins Mem:$addr),
- instr_asm, [(set RC:$rt, addr:$addr)], IIAlu>;
+class EffectiveAddress<bits<6> opc, string instr_asm, RegisterClass RC, Operand Mem> :
+ FMem<opc, (outs RC:$rt), (ins Mem:$addr),
+ instr_asm, [(set RC:$rt, addr:$addr)], IIAlu> {
+ let isCodeGenOnly = 1;
+}
// Count Leading Ones/Zeros in Word
class CountLeading0<bits<6> func, string instr_asm, RegisterClass RC>:
FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
!strconcat(instr_asm, "\t$rd, $rs"),
[(set RC:$rd, (ctlz RC:$rs))], IIAlu>,
- Requires<[HasBitCount]> {
+ Requires<[HasBitCount, HasStandardEncoding]> {
let shamt = 0;
let rt = rd;
}
FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
!strconcat(instr_asm, "\t$rd, $rs"),
[(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu>,
- Requires<[HasBitCount]> {
+ Requires<[HasBitCount, HasStandardEncoding]> {
let shamt = 0;
let rt = rd;
}
// Sign Extend in Register.
-class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt>:
- FR<0x1f, 0x20, (outs CPURegs:$rd), (ins CPURegs:$rt),
+class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt,
+ RegisterClass RC>:
+ FR<0x1f, 0x20, (outs RC:$rd), (ins RC:$rt),
!strconcat(instr_asm, "\t$rd, $rt"),
- [(set CPURegs:$rd, (sext_inreg CPURegs:$rt, vt))], NoItinerary> {
+ [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary> {
let rs = 0;
let shamt = sa;
- let Predicates = [HasSEInReg];
+ let Predicates = [HasSEInReg, HasStandardEncoding];
}
// Subword Swap
!strconcat(instr_asm, "\t$rd, $rt"), [], NoItinerary> {
let rs = 0;
let shamt = sa;
- let Predicates = [HasSwap];
+ let Predicates = [HasSwap, HasStandardEncoding];
+ let neverHasSideEffects = 1;
}
// Read Hardware
// Ext and Ins
class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
- FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
+ FR<0x1f, _funct, (outs RC:$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:$sz))], NoItinerary> {
bits<5> pos;
bits<5> sz;
let rd = sz;
let shamt = pos;
- let Predicates = [HasMips32r2];
+ let Predicates = [HasMips32r2, HasStandardEncoding];
}
class InsBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
bits<5> sz;
let rd = sz;
let shamt = pos;
- let Predicates = [HasMips32r2];
+ let Predicates = [HasMips32r2, HasStandardEncoding];
let Constraints = "$src = $rt";
}
// Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
class Atomic2Ops<PatFrag Op, string Opstr, RegisterClass DRC,
RegisterClass PRC> :
- MipsPseudo<(outs DRC:$dst), (ins PRC:$ptr, DRC:$incr),
- !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
- [(set DRC:$dst, (Op PRC:$ptr, DRC:$incr))]>;
+ 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]>;
- def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>, Requires<[IsN64]>;
+ def #NAME# : Atomic2Ops<Op, Opstr, CPURegs, CPURegs>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ }
}
// Atomic Compare & Swap.
class AtomicCmpSwap<PatFrag Op, string Width, RegisterClass DRC,
RegisterClass PRC> :
- MipsPseudo<(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:$swap))]>;
+ PseudoSE<(outs DRC:$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:$swap))]>;
multiclass AtomicCmpSwap32<PatFrag Op, string Width> {
- def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>, Requires<[NotN64]>;
- def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>, Requires<[IsN64]>;
+ def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ }
}
class LLBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
// Pseudo instructions
//===----------------------------------------------------------------------===//
-// As stack alignment is always done with addiu, we need a 16-bit immediate
-let Defs = [SP], Uses = [SP] in {
-def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins uimm16:$amt),
+// Return RA.
+let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
+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 uimm16:$amt1, uimm16:$amt2),
+def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
"!ADJCALLSTACKUP $amt1",
[(callseq_end timm:$amt1, timm:$amt2)]>;
}
-// Some assembly macros need to avoid pseudoinstructions and assembler
-// automatic reodering, we should reorder ourselves.
-def MACRO : MipsPseudo<(outs), (ins), ".set\tmacro", []>;
-def REORDER : MipsPseudo<(outs), (ins), ".set\treorder", []>;
-def NOMACRO : MipsPseudo<(outs), (ins), ".set\tnomacro", []>;
-def NOREORDER : MipsPseudo<(outs), (ins), ".set\tnoreorder", []>;
-
-// These macros are inserted to prevent GAS from complaining
-// when using the AT register.
-def NOAT : MipsPseudo<(outs), (ins), ".set\tnoat", []>;
-def ATMACRO : MipsPseudo<(outs), (ins), ".set\tat", []>;
-
// When handling PIC code the assembler needs .cpload and .cprestore
// directives. If the real instructions corresponding these directives
// are used, we have the same behavior, but get also a bunch of warnings
// from the assembler.
-def CPLOAD : MipsPseudo<(outs), (ins CPURegs:$picreg), ".cpload\t$picreg", []>;
-def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc), ".cprestore\t$loc", []>;
+let neverHasSideEffects = 1 in
+def CPRESTORE : PseudoSE<(outs), (ins i32imm:$loc, CPURegs:$gp),
+ ".cprestore\t$loc", []>;
let usesCustomInserter = 1 in {
defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
def SRAV : shift_rotate_reg<0x07, 0x00, "srav", sra, CPURegs>;
// Rotate Instructions
-let Predicates = [HasMips32r2] in {
+let Predicates = [HasMips32r2, HasStandardEncoding] in {
def ROTR : shift_rotate_imm32<0x02, 0x01, "rotr", rotr>;
def ROTRV : shift_rotate_reg<0x06, 0x01, "rotrv", rotr, CPURegs>;
}
defm USH : StoreM32<0x29, "ush", truncstorei16_u, 1>;
defm USW : StoreM32<0x2b, "usw", store_u, 1>;
-/// Primitives for unaligned
-defm LWL : LoadUnAlign32<0x22>;
-defm LWR : LoadUnAlign32<0x26>;
-defm SWL : StoreUnAlign32<0x2A>;
-defm SWR : StoreUnAlign32<0x2E>;
+/// 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>;
let hasSideEffects = 1 in
-def SYNC : MipsInst<(outs), (ins i32imm:$stype), "sync $stype",
- [(MipsSync imm:$stype)], NoItinerary, FrmOther>
+def SYNC : InstSE<(outs), (ins i32imm:$stype), "sync $stype",
+ [(MipsSync imm:$stype)], NoItinerary, FrmOther>
{
bits<5> stype;
let Opcode = 0;
}
/// Load-linked, Store-conditional
-def LL : LLBase<0x30, "ll", CPURegs, mem>, Requires<[NotN64]>;
-def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>, Requires<[IsN64]>;
-def SC : SCBase<0x38, "sc", CPURegs, mem>, Requires<[NotN64]>;
-def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>, Requires<[IsN64]>;
+def LL : LLBase<0x30, "ll", CPURegs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+}
+
+def SC : SCBase<0x38, "sc", CPURegs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+}
/// Jump and Branch Instructions
def J : JumpFJ<0x02, "j">;
-def JR : JumpFR<0x00, 0x08, "jr", CPURegs>;
+def JR : IndirectBranch<CPURegs>;
def B : UncondBranch<0x04, "b">;
def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
def BNE : CBranch<0x05, "bne", setne, CPURegs>;
def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
-// All calls clobber the non-callee saved registers...
-let Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
- K0, K1, GP, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9] in {
- def JAL : JumpLink<0x03, "jal">;
- def JALR : JumpLinkReg<0x00, 0x09, "jalr", CPURegs>;
- def BGEZAL : BranchLink<"bgezal", 0x11, CPURegs>;
- def BLTZAL : BranchLink<"bltzal", 0x10, 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>;
-let isReturn=1, isTerminator=1, hasDelaySlot=1,
- isBarrier=1, hasCtrlDep=1, rd=0, rt=0, shamt=0 in
- def RET : FR <0x00, 0x08, (outs), (ins CPURegs:$target),
- "jr\t$target", [(MipsRet CPURegs:$target)], IIBranch>;
+def RET : RetBase<CPURegs>;
/// Multiply and Divide Instructions.
def MULT : Mult32<0x18, "mult", IIImul>;
def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
/// Sign Ext In Register Instructions.
-def SEB : SignExtInReg<0x10, "seb", i8>;
-def SEH : SignExtInReg<0x18, "seh", i16>;
+def SEB : SignExtInReg<0x10, "seb", i8, CPURegs>;
+def SEH : SignExtInReg<0x18, "seh", i16, CPURegs>;
/// Count Leading
def CLZ : CountLeading0<0x20, "clz", CPURegs>;
// instructions. The same not happens for stack address copies, so an
// add op with mem ComplexPattern is used and the stack address copy
// can be matched. It's similar to Sparc LEA_ADDRi
-def LEA_ADDiu : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
+def LEA_ADDiu : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>;
// DynAlloc node points to dynamically allocated stack space.
// $sp is added to the list of implicitly used registers to prevent dead code
// elimination from removing instructions that modify $sp.
let Uses = [SP] in
-def DynAlloc : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
+def DynAlloc : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>;
// MADD*/MSUB*
def MADD : MArithR<0, "madd", MipsMAdd, 1>;
// MUL is a assembly macro in the current used ISAs. In recent ISA's
// it is a real instruction.
def MUL : ArithLogicR<0x1c, 0x02, "mul", mul, IIImul, CPURegs, 1>,
- Requires<[HasMips32]>;
+ Requires<[HasMips32, HasStandardEncoding]>;
def RDHWR : ReadHardware<CPURegs, HWRegs>;
def EXT : ExtBase<0, "ext", CPURegs>;
def INS : InsBase<4, "ins", CPURegs>;
+//===----------------------------------------------------------------------===//
+// 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)>;
+
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
//===----------------------------------------------------------------------===//
// Small immediates
-def : Pat<(i32 immSExt16:$in),
- (ADDiu ZERO, imm:$in)>;
-def : Pat<(i32 immZExt16:$in),
- (ORi ZERO, imm:$in)>;
-def : Pat<(i32 immLow16Zero:$in),
- (LUi (HI16 imm:$in))>;
+def : MipsPat<(i32 immSExt16:$in),
+ (ADDiu ZERO, imm:$in)>;
+def : MipsPat<(i32 immZExt16:$in),
+ (ORi ZERO, imm:$in)>;
+def : MipsPat<(i32 immLow16Zero:$in),
+ (LUi (HI16 imm:$in))>;
// Arbitrary immediates
-def : Pat<(i32 imm:$imm),
+def : MipsPat<(i32 imm:$imm),
(ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
-// Carry patterns
-def : Pat<(subc CPURegs:$lhs, CPURegs:$rhs),
- (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
-def : Pat<(addc CPURegs:$lhs, CPURegs:$rhs),
- (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
-def : Pat<(addc CPURegs:$src, immSExt16:$imm),
- (ADDiu CPURegs:$src, imm:$imm)>;
+// 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)>;
// Call
-def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
- (JAL tglobaladdr:$dst)>;
-def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
- (JAL texternalsym:$dst)>;
-//def : Pat<(MipsJmpLink CPURegs:$dst),
-// (JALR CPURegs:$dst)>;
+def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
+ (JAL tglobaladdr:$dst)>;
+def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
+ (JAL texternalsym:$dst)>;
+//def : MipsPat<(MipsJmpLink CPURegs:$dst),
+// (JALR CPURegs:$dst)>;
// hi/lo relocs
-def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
-def : Pat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
-def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
-def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
-def : Pat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
-
-def : Pat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
-def : Pat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
-def : Pat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
-def : Pat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
-def : Pat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
-
-def : Pat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
- (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
-def : Pat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
- (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
-def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
- (ADDiu CPURegs:$hi, tjumptable:$lo)>;
-def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
- (ADDiu CPURegs:$hi, tconstpool:$lo)>;
-def : Pat<(add CPURegs:$hi, (MipsLo tglobaltlsaddr:$lo)),
- (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
+def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
+def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
+def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
+def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
+def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
+
+def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
+def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
+def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
+def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
+def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
+
+def : MipsPat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
+ (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
+def : MipsPat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
+ (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
+def : MipsPat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
+ (ADDiu CPURegs:$hi, tjumptable:$lo)>;
+def : MipsPat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
+ (ADDiu CPURegs:$hi, tconstpool:$lo)>;
+def : MipsPat<(add CPURegs:$hi, (MipsLo tglobaltlsaddr:$lo)),
+ (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
// gp_rel relocs
-def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
- (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
-def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
- (ADDiu CPURegs:$gp, tconstpool:$in)>;
+def : MipsPat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
+ (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
+def : MipsPat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
+ (ADDiu CPURegs:$gp, tconstpool:$in)>;
// wrapper_pic
-class WrapperPat<SDNode node, Instruction ADDiuOp, Register GPReg>:
- Pat<(MipsWrapper node:$in),
- (ADDiuOp GPReg, node:$in)>;
+class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
+ MipsPat<(MipsWrapper RC:$gp, node:$in),
+ (ADDiuOp RC:$gp, node:$in)>;
-def : WrapperPat<tglobaladdr, ADDiu, GP>;
-def : WrapperPat<tconstpool, ADDiu, GP>;
-def : WrapperPat<texternalsym, ADDiu, GP>;
-def : WrapperPat<tblockaddress, ADDiu, GP>;
-def : WrapperPat<tjumptable, ADDiu, GP>;
-def : WrapperPat<tglobaltlsaddr, ADDiu, GP>;
+def : WrapperPat<tglobaladdr, ADDiu, CPURegs>;
+def : WrapperPat<tconstpool, ADDiu, CPURegs>;
+def : WrapperPat<texternalsym, ADDiu, CPURegs>;
+def : WrapperPat<tblockaddress, ADDiu, CPURegs>;
+def : WrapperPat<tjumptable, ADDiu, CPURegs>;
+def : WrapperPat<tglobaltlsaddr, ADDiu, CPURegs>;
// Mips does not have "not", so we expand our way
-def : Pat<(not CPURegs:$in),
- (NOR CPURegs:$in, ZERO)>;
+def : MipsPat<(not CPURegs:$in),
+ (NOR CPURegs:$in, ZERO)>;
// extended loads
-let Predicates = [NotN64] in {
- def : Pat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
- def : Pat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
- def : Pat<(i32 (extloadi16_a addr:$src)), (LHu addr:$src)>;
- def : Pat<(i32 (extloadi16_u addr:$src)), (ULHu addr:$src)>;
+let Predicates = [NotN64, HasStandardEncoding] in {
+ def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
+ def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
+ def : MipsPat<(i32 (extloadi16_a addr:$src)), (LHu addr:$src)>;
+ def : MipsPat<(i32 (extloadi16_u addr:$src)), (ULHu addr:$src)>;
}
-let Predicates = [IsN64] in {
- def : Pat<(i32 (extloadi1 addr:$src)), (LBu_P8 addr:$src)>;
- def : Pat<(i32 (extloadi8 addr:$src)), (LBu_P8 addr:$src)>;
- def : Pat<(i32 (extloadi16_a addr:$src)), (LHu_P8 addr:$src)>;
- def : Pat<(i32 (extloadi16_u addr:$src)), (ULHu_P8 addr:$src)>;
+let Predicates = [IsN64, HasStandardEncoding] in {
+ def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu_P8 addr:$src)>;
+ def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu_P8 addr:$src)>;
+ def : MipsPat<(i32 (extloadi16_a addr:$src)), (LHu_P8 addr:$src)>;
+ def : MipsPat<(i32 (extloadi16_u addr:$src)), (ULHu_P8 addr:$src)>;
}
// peepholes
-let Predicates = [NotN64] in {
- def : Pat<(store_a (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
- def : Pat<(store_u (i32 0), addr:$dst), (USW ZERO, addr:$dst)>;
+let Predicates = [NotN64, HasStandardEncoding] in {
+ def : MipsPat<(store_a (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
+ def : MipsPat<(store_u (i32 0), addr:$dst), (USW ZERO, addr:$dst)>;
}
-let Predicates = [IsN64] in {
- def : Pat<(store_a (i32 0), addr:$dst), (SW_P8 ZERO, addr:$dst)>;
- def : Pat<(store_u (i32 0), addr:$dst), (USW_P8 ZERO, addr:$dst)>;
+let Predicates = [IsN64, HasStandardEncoding] in {
+ def : MipsPat<(store_a (i32 0), addr:$dst), (SW_P8 ZERO, addr:$dst)>;
+ def : MipsPat<(store_u (i32 0), addr:$dst), (USW_P8 ZERO, addr:$dst)>;
}
// brcond patterns
multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
Instruction SLTiuOp, Register ZEROReg> {
-def : Pat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
- (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
-def : Pat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
- (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
-
-def : Pat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
- (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
-def : Pat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
- (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
-def : Pat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
- (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
-def : Pat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
- (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
-
-def : Pat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
- (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
-def : Pat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
- (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
-
-def : Pat<(brcond RC:$cond, bb:$dst),
- (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
+ (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
+def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
+ (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
+
+def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
+ (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
+ (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
+ (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
+ (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
+
+def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
+ (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
+ (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
+
+def : MipsPat<(brcond RC:$cond, bb:$dst),
+ (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
}
defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
// setcc patterns
multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
Instruction SLTuOp, Register ZEROReg> {
- def : Pat<(seteq RC:$lhs, RC:$rhs),
- (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
- def : Pat<(setne RC:$lhs, RC:$rhs),
- (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
+ def : MipsPat<(seteq RC:$lhs, RC:$rhs),
+ (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
+ def : MipsPat<(setne RC:$lhs, RC:$rhs),
+ (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
}
multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
- def : Pat<(setle RC:$lhs, RC:$rhs),
- (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
- def : Pat<(setule RC:$lhs, RC:$rhs),
- (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
+ def : MipsPat<(setle RC:$lhs, RC:$rhs),
+ (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
+ def : MipsPat<(setule RC:$lhs, RC:$rhs),
+ (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
}
multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
- def : Pat<(setgt RC:$lhs, RC:$rhs),
- (SLTOp RC:$rhs, RC:$lhs)>;
- def : Pat<(setugt RC:$lhs, RC:$rhs),
- (SLTuOp RC:$rhs, RC:$lhs)>;
+ def : MipsPat<(setgt RC:$lhs, RC:$rhs),
+ (SLTOp RC:$rhs, RC:$lhs)>;
+ def : MipsPat<(setugt RC:$lhs, RC:$rhs),
+ (SLTuOp RC:$rhs, RC:$lhs)>;
}
multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
- def : Pat<(setge RC:$lhs, RC:$rhs),
- (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
- def : Pat<(setuge RC:$lhs, RC:$rhs),
- (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
+ def : MipsPat<(setge RC:$lhs, RC:$rhs),
+ (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
+ def : MipsPat<(setuge RC:$lhs, RC:$rhs),
+ (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
}
multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
Instruction SLTiuOp> {
- def : Pat<(setge RC:$lhs, immSExt16:$rhs),
- (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
- def : Pat<(setuge RC:$lhs, immSExt16:$rhs),
- (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
+ def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
+ (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
+ def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
+ (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
}
defm : SeteqPats<CPURegs, SLTiu, XOR, SLTu, ZERO>;
defm : SetgeImmPats<CPURegs, SLTi, SLTiu>;
// select MipsDynAlloc
-def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
+def : MipsPat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
// bswap pattern
-def : Pat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
+def : MipsPat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
//===----------------------------------------------------------------------===//
// Floating Point Support
include "Mips64InstrInfo.td"
include "MipsCondMov.td"
+//
+// Mips16
+
+include "Mips16InstrFormats.td"
+include "Mips16InstrInfo.td"
projects / oota-llvm.git / blobdiff