//
//===----------------------------------------------------------------------===//
-//===----------------------------------------------------------------------===//
-// Instruction format superclass
-//===----------------------------------------------------------------------===//
-
-include "MipsInstrFormats.td"
//===----------------------------------------------------------------------===//
// Mips profiles and nodes
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,
// 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 MipsWrapperPIC : SDNode<"MipsISD::WrapperPIC", SDTIntUnaryOp>;
+def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
// Pointer to dynamically allocated stack area.
def MipsDynAlloc : SDNode<"MipsISD::DynAlloc", SDT_MipsDynAlloc,
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 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">;
+
+//===----------------------------------------------------------------------===//
+// Instruction format superclass
+//===----------------------------------------------------------------------===//
+
+include "MipsInstrFormats.td"
//===----------------------------------------------------------------------===//
// Mips Operand, Complex Patterns and Transformations Definitions.
//===----------------------------------------------------------------------===//
// Instruction operand types
-def brtarget : Operand<OtherVT>;
-def calltarget : Operand<i32>;
+def jmptarget : Operand<OtherVT> {
+ let EncoderMethod = "getJumpTargetOpValue";
+}
+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>;
// 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.
def LO16 : SDNodeXForm<imm, [{
- return getI32Imm((unsigned)N->getZExtValue() & 0xFFFF);
+ return getImm(N, N->getZExtValue() & 0xFFFF);
}]>;
// Transformation Function - get the higher 16 bits.
def HI16 : SDNodeXForm<imm, [{
- return getI32Imm((unsigned)N->getZExtValue() >> 16);
+ return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
}]>;
// Node immediate fits as 16-bit sign extended on target immediate.
return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
}], LO16>;
+// Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
+def immLow16Zero : PatLeaf<(imm), [{
+ int64_t Val = N->getSExtValue();
+ return isInt<32>(Val) && !(Val & 0xffff);
+}]>;
+
// shamt field must fit in 5 bits.
def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
// 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
//===----------------------------------------------------------------------===//
-class UnalignedLoad<PatFrag Node> : PatFrag<(ops node:$ptr), (Node node:$ptr), [{
+class UnalignedLoad<PatFrag Node> :
+ PatFrag<(ops node:$ptr), (Node node:$ptr), [{
LoadSDNode *LD = cast<LoadSDNode>(N);
return LD->getMemoryVT().getSizeInBits()/8 > LD->getAlignment();
}]>;
-class AlignedLoad<PatFrag Node> : PatFrag<(ops node:$ptr), (Node node:$ptr), [{
+class AlignedLoad<PatFrag Node> :
+ PatFrag<(ops node:$ptr), (Node node:$ptr), [{
LoadSDNode *LD = cast<LoadSDNode>(N);
return LD->getMemoryVT().getSizeInBits()/8 <= LD->getAlignment();
}]>;
-class UnalignedStore<PatFrag Node> : PatFrag<(ops node:$val, node:$ptr),
- (Node node:$val, node:$ptr), [{
+class UnalignedStore<PatFrag Node> :
+ PatFrag<(ops node:$val, node:$ptr), (Node node:$val, node:$ptr), [{
StoreSDNode *SD = cast<StoreSDNode>(N);
return SD->getMemoryVT().getSizeInBits()/8 > SD->getAlignment();
}]>;
-class AlignedStore<PatFrag Node> : PatFrag<(ops node:$val, node:$ptr),
- (Node node:$val, node:$ptr), [{
+class AlignedStore<PatFrag Node> :
+ PatFrag<(ops node:$val, node:$ptr), (Node node:$val, node:$ptr), [{
StoreSDNode *SD = cast<StoreSDNode>(N);
return SD->getMemoryVT().getSizeInBits()/8 <= SD->getAlignment();
}]>;
[(set RC:$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
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]>;
-}
+ 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;
+ }
+}
+
+// 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:$addr)],
+ IIStore>;
+
+// 32-bit load left/right.
+multiclass LoadLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
+ def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
+}
+
+// 64-bit load left/right.
+multiclass LoadLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
+ def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
+}
+
+// 32-bit store left/right.
+multiclass StoreLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
+ def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
+}
+
+// 64-bit store left/right.
+multiclass StoreLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
+ def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
+ Requires<[NotN64, HasStandardEncoding]>;
+ def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
+ Requires<[IsN64, HasStandardEncoding]> {
+ let DecoderNamespace = "Mips64";
+ let isCodeGenOnly = 1;
+ }
}
// Conditional Branch
class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
- CBranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
- [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
+ 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> {
let isBranch = 1;
let isTerminator = 1;
let hasDelaySlot = 1;
class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
RegisterClass RC>:
- CBranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
- !strconcat(instr_asm, "\t$rs, $imm16"),
- [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
+ BranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
+ !strconcat(instr_asm, "\t$rs, $imm16"),
+ [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
let rt = _rt;
let isBranch = 1;
let isTerminator = 1;
[(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
IIAlu>;
-// Unconditional branch
-let isBranch=1, isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
+// Jump
class JumpFJ<bits<6> op, string instr_asm>:
- FJ<op, (outs), (ins brtarget:$target),
- !strconcat(instr_asm, "\t$target"), [(br bb:$target)], IIBranch>;
+ FJ<op, (outs), (ins jmptarget:$target),
+ !strconcat(instr_asm, "\t$target"), [(br bb:$target)], IIBranch> {
+ let isBranch=1;
+ let isTerminator=1;
+ let isBarrier=1;
+ let hasDelaySlot = 1;
+ let Predicates = [RelocStatic, HasStandardEncoding];
+ let DecoderMethod = "DecodeJumpTarget";
+}
+
+// Unconditional branch
+class UncondBranch<bits<6> op, string instr_asm>:
+ BranchBase<op, (outs), (ins brtarget:$imm16),
+ !strconcat(instr_asm, "\t$imm16"), [(br bb:$imm16)], IIBranch> {
+ let rs = 0;
+ let rt = 0;
+ let isBranch = 1;
+ let isTerminator = 1;
+ let isBarrier = 1;
+ let hasDelaySlot = 1;
+ let Predicates = [RelocPIC, HasStandardEncoding];
+}
-let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1 in
-class JumpFR<bits<6> op, bits<6> func, string instr_asm>:
- FR<op, func, (outs), (ins CPURegs:$rs),
- !strconcat(instr_asm, "\t$rs"), [(brind CPURegs:$rs)], IIBranch> {
+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:$rs)], IIBranch> {
let rt = 0;
let rd = 0;
let shamt = 0;
}
// Jump and Link (Call)
-let isCall=1, hasDelaySlot=1,
- // All calls clobber the non-callee saved registers...
- Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
- K0, K1, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9], Uses = [GP] in {
+let isCall=1, hasDelaySlot=1 in {
class JumpLink<bits<6> op, string instr_asm>:
FJ<op, (outs), (ins calltarget:$target, variable_ops),
!strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
- IIBranch>;
-
- class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm>:
- FR<op, func, (outs), (ins CPURegs:$rs, variable_ops),
- !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink CPURegs:$rs)], IIBranch> {
+ IIBranch> {
+ let DecoderMethod = "DecodeJumpTarget";
+ }
+
+ class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm,
+ RegisterClass RC>:
+ FR<op, func, (outs), (ins RC:$rs, variable_ops),
+ !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink RC:$rs)], IIBranch> {
let rt = 0;
let rd = 31;
let shamt = 0;
}
- class BranchLink<string instr_asm>:
- FI<0x1, (outs), (ins CPURegs:$rs, brtarget:$imm16, variable_ops),
- !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch>;
+ class BranchLink<string instr_asm, bits<5> _rt, RegisterClass RC>:
+ FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16, variable_ops),
+ !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch> {
+ let rt = _rt;
+ }
}
// Mul, Div
let shamt = 0;
let isCommutable = 1;
let Defs = DefRegs;
+ let neverHasSideEffects = 1;
}
class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
let rt = 0;
let shamt = 0;
let Uses = UseRegs;
+ let neverHasSideEffects = 1;
}
class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
let rd = 0;
let shamt = 0;
let Defs = DefRegs;
+ let neverHasSideEffects = 1;
}
class EffectiveAddress<string instr_asm, RegisterClass RC, Operand Mem> :
FR<0x1c, func, (outs RC:$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:$rt, vt))], NoItinerary> {
let rs = 0;
let shamt = sa;
- let Predicates = [HasSEInReg];
+ let Predicates = [HasSEInReg, HasStandardEncoding];
}
-// Byte Swap
-class ByteSwap<bits<6> func, bits<5> sa, string instr_asm>:
- FR<0x1f, func, (outs CPURegs:$rd), (ins CPURegs:$rt),
- !strconcat(instr_asm, "\t$rd, $rt"),
- [(set CPURegs:$rd, (bswap CPURegs:$rt))], NoItinerary> {
+// Subword Swap
+class SubwordSwap<bits<6> func, bits<5> sa, string instr_asm, RegisterClass RC>:
+ FR<0x1f, func, (outs RC:$rd), (ins RC:$rt),
+ !strconcat(instr_asm, "\t$rd, $rt"), [], NoItinerary> {
let rs = 0;
let shamt = sa;
- let Predicates = [HasSwap];
+ let Predicates = [HasSwap, HasStandardEncoding];
+ let neverHasSideEffects = 1;
}
// Read Hardware
-class ReadHardware: FR<0x1f, 0x3b, (outs CPURegs:$rt), (ins HWRegs:$rd),
- "rdhwr\t$rt, $rd", [], IIAlu> {
+class ReadHardware<RegisterClass CPURegClass, RegisterClass HWRegClass>
+ : FR<0x1f, 0x3b, (outs CPURegClass:$rt), (ins HWRegClass:$rd),
+ "rdhwr\t$rt, $rd", [], IIAlu> {
let rs = 0;
let shamt = 0;
}
// Ext and Ins
-class ExtIns<bits<6> _funct, string instr_asm, dag outs, dag ins,
- list<dag> pattern, InstrItinClass itin>:
- FR<0x1f, _funct, outs, ins, !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
- pattern, itin>, Requires<[HasMips32r2]> {
+class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
+ FR<0x1f, _funct, (outs RC:$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:$sz))], NoItinerary> {
+ bits<5> pos;
+ bits<5> sz;
+ let rd = sz;
+ let shamt = pos;
+ let Predicates = [HasMips32r2, HasStandardEncoding];
+}
+
+class InsBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
+ FR<0x1f, _funct, (outs RC:$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;
+ let Predicates = [HasMips32r2, HasStandardEncoding];
+ let Constraints = "$src = $rt";
}
// Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
[(set DRC:$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.
[(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> :
[(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 : MipsPseudo<(outs), (ins i32imm:$loc, CPURegs:$gp),
+ ".cprestore\t$loc", []>;
let usesCustomInserter = 1 in {
defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
def SRAV : shift_rotate_reg<0x07, 0x00, "srav", sra, CPURegs>;
// Rotate Instructions
-let Predicates = [HasMips32r2] in {
+let Predicates = [HasMips32r2, HasStandardEncoding] in {
def ROTR : shift_rotate_imm32<0x02, 0x01, "rotr", rotr>;
def ROTRV : shift_rotate_reg<0x06, 0x01, "rotrv", rotr, CPURegs>;
}
defm USH : StoreM32<0x29, "ush", truncstorei16_u, 1>;
defm USW : StoreM32<0x2b, "usw", store_u, 1>;
+/// load/store left/right
+defm LWL : LoadLeftRightM32<0x22, "lwl", MipsLWL>;
+defm LWR : LoadLeftRightM32<0x26, "lwr", MipsLWR>;
+defm SWL : StoreLeftRightM32<0x2a, "swl", MipsSWL>;
+defm SWR : StoreLeftRightM32<0x2e, "swr", MipsSWR>;
+
let hasSideEffects = 1 in
def SYNC : MipsInst<(outs), (ins i32imm:$stype), "sync $stype",
[(MipsSync imm:$stype)], NoItinerary, FrmOther>
}
/// 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">;
-let isIndirectBranch = 1 in
- def JR : JumpFR<0x00, 0x08, "jr">;
-def JAL : JumpLink<0x03, "jal">;
-def JALR : JumpLinkReg<0x00, 0x09, "jalr">;
+def JR : JumpFR<0x00, 0x08, "jr", 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 BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
-let rt=0x11 in
- def BGEZAL : BranchLink<"bgezal">;
-let rt=0x10 in
- def BLTZAL : BranchLink<"bltzal">;
+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,
+let isReturn=1, isTerminator=1, hasDelaySlot=1, isCodeGenOnly=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:$target)], IIBranch>;
def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
/// Sign Ext In Register Instructions.
-def SEB : SignExtInReg<0x10, "seb", i8>;
-def SEH : SignExtInReg<0x18, "seh", i16>;
+def SEB : SignExtInReg<0x10, "seb", i8, CPURegs>;
+def SEH : SignExtInReg<0x18, "seh", i16, CPURegs>;
/// Count Leading
def CLZ : CountLeading0<0x20, "clz", CPURegs>;
def CLO : CountLeading1<0x21, "clo", CPURegs>;
-/// Byte Swap
-def WSBW : ByteSwap<0x20, 0x2, "wsbw">;
+/// Word Swap Bytes Within Halfwords
+def WSBH : SubwordSwap<0x20, 0x2, "wsbh", CPURegs>;
/// No operation
let addr=0 in
// instructions. The same not happens for stack address copies, so an
// add op with mem ComplexPattern is used and the stack address copy
// can be matched. It's similar to Sparc LEA_ADDRi
-def LEA_ADDiu : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
+def LEA_ADDiu : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea> {
+ let isCodeGenOnly = 1;
+}
// 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, $addr", CPURegs, mem_ea>;
+def DynAlloc : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea> {
+ let isCodeGenOnly = 1;
+}
// MADD*/MSUB*
def MADD : MArithR<0, "madd", MipsMAdd, 1>;
// MUL is a assembly macro in the current used ISAs. In recent ISA's
// it is a real instruction.
def MUL : ArithLogicR<0x1c, 0x02, "mul", mul, IIImul, CPURegs, 1>,
- Requires<[HasMips32]>;
+ Requires<[HasMips32, HasStandardEncoding]>;
-def RDHWR : ReadHardware;
+def RDHWR : ReadHardware<CPURegs, HWRegs>;
-def EXT : ExtIns<0, "ext", (outs CPURegs:$rt),
- (ins CPURegs:$rs, uimm16:$pos, size_ext:$sz),
- [(set CPURegs:$rt,
- (MipsExt CPURegs:$rs, immZExt5:$pos, immZExt5:$sz))],
- NoItinerary>;
-
-let Constraints = "$src = $rt" in
-def INS : ExtIns<4, "ins", (outs CPURegs:$rt),
- (ins CPURegs:$rs, uimm16:$pos, size_ins:$sz, CPURegs:$src),
- [(set CPURegs:$rt,
- (MipsIns CPURegs:$rs, immZExt5:$pos, immZExt5:$sz,
- CPURegs:$src))],
- NoItinerary>;
+def EXT : ExtBase<0, "ext", CPURegs>;
+def INS : InsBase<4, "ins", CPURegs>;
//===----------------------------------------------------------------------===//
// Arbitrary patterns that map to one or more instructions
(ADDiu ZERO, imm:$in)>;
def : Pat<(i32 immZExt16:$in),
(ORi ZERO, imm:$in)>;
+def : Pat<(i32 immLow16Zero:$in),
+ (LUi (HI16 imm:$in))>;
// Arbitrary immediates
def : Pat<(i32 imm:$imm),
// hi/lo relocs
def : Pat<(MipsHi tglobaladdr:$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:$lo)>;
-
-def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
-def : Pat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
(ADDiu CPURegs:$hi, tjumptable:$lo)>;
-
-def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
-def : Pat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
(ADDiu CPURegs:$hi, tconstpool:$lo)>;
+def : Pat<(add CPURegs:$hi, (MipsLo tglobaltlsaddr:$lo)),
+ (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
// gp_rel relocs
def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
(ADDiu CPURegs:$gp, tconstpool:$in)>;
-// tlsgd
-def : Pat<(add CPURegs:$gp, (MipsTlsGd tglobaltlsaddr:$in)),
- (ADDiu CPURegs:$gp, tglobaltlsaddr:$in)>;
-
-// tprel hi/lo
-def : Pat<(MipsTprelHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
-def : Pat<(MipsTprelLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
-def : Pat<(add CPURegs:$hi, (MipsTprelLo tglobaltlsaddr:$lo)),
- (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
-
// wrapper_pic
-class WrapperPICPat<SDNode node>:
- Pat<(MipsWrapperPIC node:$in),
- (ADDiu GP, node:$in)>;
+class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
+ Pat<(MipsWrapper RC:$gp, node:$in),
+ (ADDiuOp RC:$gp, node:$in)>;
-def : WrapperPICPat<tglobaladdr>;
-def : WrapperPICPat<tconstpool>;
-def : WrapperPICPat<texternalsym>;
-def : WrapperPICPat<tblockaddress>;
-def : WrapperPICPat<tjumptable>;
+def : WrapperPat<tglobaladdr, ADDiu, CPURegs>;
+def : WrapperPat<tconstpool, ADDiu, CPURegs>;
+def : WrapperPat<texternalsym, ADDiu, CPURegs>;
+def : WrapperPat<tblockaddress, ADDiu, CPURegs>;
+def : WrapperPat<tjumptable, ADDiu, CPURegs>;
+def : WrapperPat<tglobaltlsaddr, ADDiu, CPURegs>;
// Mips does not have "not", so we expand our way
def : Pat<(not CPURegs:$in),
(NOR CPURegs:$in, ZERO)>;
-// extended load and stores
-def : Pat<(extloadi1 addr:$src), (LBu addr:$src)>;
-def : Pat<(extloadi8 addr:$src), (LBu addr:$src)>;
-def : Pat<(extloadi16_a addr:$src), (LHu addr:$src)>;
-def : Pat<(extloadi16_u addr:$src), (ULHu addr:$src)>;
+// extended loads
+let Predicates = [NotN64, HasStandardEncoding] in {
+ def : Pat<(i32 (extloadi1 addr:$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:$src)>;
+}
+let Predicates = [IsN64, HasStandardEncoding] in {
+ def : Pat<(i32 (extloadi1 addr:$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:$src)>;
+}
// peepholes
-def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
+let Predicates = [NotN64, HasStandardEncoding] in {
+ def : Pat<(store_a (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
+ def : Pat<(store_u (i32 0), addr:$dst), (USW ZERO, addr:$dst)>;
+}
+let Predicates = [IsN64, HasStandardEncoding] in {
+ def : Pat<(store_a (i32 0), addr:$dst), (SW_P8 ZERO, addr:$dst)>;
+ def : Pat<(store_u (i32 0), addr:$dst), (USW_P8 ZERO, addr:$dst)>;
+}
// brcond patterns
multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
// select MipsDynAlloc
def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
+// bswap pattern
+def : Pat<(bswap CPURegs:$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