//===----------------------------------------------------------------------===//
#include "AArch64InstrInfo.h"
-#include "AArch64MachineCombinerPattern.h"
#include "AArch64Subtarget.h"
#include "MCTargetDesc/AArch64AddressingModes.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
AArch64InstrInfo::AArch64InstrInfo(const AArch64Subtarget &STI)
: AArch64GenInstrInfo(AArch64::ADJCALLSTACKDOWN, AArch64::ADJCALLSTACKUP),
- RI(this, &STI), Subtarget(STI) {}
+ RI(STI.getTargetTriple()), Subtarget(STI) {}
/// GetInstSize - Return the number of bytes of code the specified
/// instruction may be. This returns the maximum number of bytes.
SmallVectorImpl<MachineOperand> &Cond,
bool AllowModify) const {
// If the block has no terminators, it just falls into the block after it.
- MachineBasicBlock::iterator I = MBB.end();
- if (I == MBB.begin())
+ MachineBasicBlock::iterator I = MBB.getLastNonDebugInstr();
+ if (I == MBB.end())
return false;
- --I;
- while (I->isDebugValue()) {
- if (I == MBB.begin())
- return false;
- --I;
- }
+
if (!isUnpredicatedTerminator(I))
return false;
}
unsigned AArch64InstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
- MachineBasicBlock::iterator I = MBB.end();
- if (I == MBB.begin())
+ MachineBasicBlock::iterator I = MBB.getLastNonDebugInstr();
+ if (I == MBB.end())
return 0;
- --I;
- while (I->isDebugValue()) {
- if (I == MBB.begin())
- return 0;
- --I;
- }
+
if (!isUncondBranchOpcode(I->getOpcode()) &&
!isCondBranchOpcode(I->getOpcode()))
return 0;
void AArch64InstrInfo::instantiateCondBranch(
MachineBasicBlock &MBB, DebugLoc DL, MachineBasicBlock *TBB,
- const SmallVectorImpl<MachineOperand> &Cond) const {
+ ArrayRef<MachineOperand> Cond) const {
if (Cond[0].getImm() != -1) {
// Regular Bcc
BuildMI(&MBB, DL, get(AArch64::Bcc)).addImm(Cond[0].getImm()).addMBB(TBB);
unsigned AArch64InstrInfo::InsertBranch(
MachineBasicBlock &MBB, MachineBasicBlock *TBB, MachineBasicBlock *FBB,
- const SmallVectorImpl<MachineOperand> &Cond, DebugLoc DL) const {
+ ArrayRef<MachineOperand> Cond, DebugLoc DL) const {
// Shouldn't be a fall through.
assert(TBB && "InsertBranch must not be told to insert a fallthrough");
}
bool AArch64InstrInfo::canInsertSelect(
- const MachineBasicBlock &MBB, const SmallVectorImpl<MachineOperand> &Cond,
+ const MachineBasicBlock &MBB, ArrayRef<MachineOperand> Cond,
unsigned TrueReg, unsigned FalseReg, int &CondCycles, int &TrueCycles,
int &FalseCycles) const {
// Check register classes.
void AArch64InstrInfo::insertSelect(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DstReg,
- const SmallVectorImpl<MachineOperand> &Cond,
+ ArrayRef<MachineOperand> Cond,
unsigned TrueReg, unsigned FalseReg) const {
MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
CC);
}
+/// Returns true if a MOVi32imm or MOVi64imm can be expanded to an ORRxx.
+static bool canBeExpandedToORR(const MachineInstr *MI, unsigned BitSize) {
+ uint64_t Imm = MI->getOperand(1).getImm();
+ uint64_t UImm = Imm << (64 - BitSize) >> (64 - BitSize);
+ uint64_t Encoding;
+ return AArch64_AM::processLogicalImmediate(UImm, BitSize, Encoding);
+}
+
// FIXME: this implementation should be micro-architecture dependent, so a
// micro-architecture target hook should be introduced here in future.
bool AArch64InstrInfo::isAsCheapAsAMove(const MachineInstr *MI) const {
case AArch64::ORRWrr:
case AArch64::ORRXrr:
return true;
+ // If MOVi32imm or MOVi64imm can be expanded into ORRWri or
+ // ORRXri, it is as cheap as MOV
+ case AArch64::MOVi32imm:
+ return canBeExpandedToORR(MI, 32);
+ case AArch64::MOVi64imm:
+ return canBeExpandedToORR(MI, 64);
}
llvm_unreachable("Unknown opcode to check as cheap as a move!");
int OffsetA = 0, OffsetB = 0;
int WidthA = 0, WidthB = 0;
- assert(MIa && (MIa->mayLoad() || MIa->mayStore()) &&
- "MIa must be a store or a load");
- assert(MIb && (MIb->mayLoad() || MIb->mayStore()) &&
- "MIb must be a store or a load");
+ assert(MIa && MIa->mayLoadOrStore() && "MIa must be a load or store.");
+ assert(MIb && MIb->mayLoadOrStore() && "MIb must be a load or store.");
if (MIa->hasUnmodeledSideEffects() || MIb->hasUnmodeledSideEffects() ||
MIa->hasOrderedMemoryRef() || MIb->hasOrderedMemoryRef())
// base registers are identical, and the offset of a lower memory access +
// the width doesn't overlap the offset of a higher memory access,
// then the memory accesses are different.
- if (getLdStBaseRegImmOfsWidth(MIa, BaseRegA, OffsetA, WidthA, TRI) &&
- getLdStBaseRegImmOfsWidth(MIb, BaseRegB, OffsetB, WidthB, TRI)) {
+ if (getMemOpBaseRegImmOfsWidth(MIa, BaseRegA, OffsetA, WidthA, TRI) &&
+ getMemOpBaseRegImmOfsWidth(MIb, BaseRegB, OffsetB, WidthB, TRI)) {
if (BaseRegA == BaseRegB) {
int LowOffset = OffsetA < OffsetB ? OffsetA : OffsetB;
int HighOffset = OffsetA < OffsetB ? OffsetB : OffsetA;
}
bool
-AArch64InstrInfo::getLdStBaseRegImmOfs(MachineInstr *LdSt, unsigned &BaseReg,
- unsigned &Offset,
- const TargetRegisterInfo *TRI) const {
+AArch64InstrInfo::getMemOpBaseRegImmOfs(MachineInstr *LdSt, unsigned &BaseReg,
+ unsigned &Offset,
+ const TargetRegisterInfo *TRI) const {
switch (LdSt->getOpcode()) {
default:
return false;
};
}
-bool AArch64InstrInfo::getLdStBaseRegImmOfsWidth(
+bool AArch64InstrInfo::getMemOpBaseRegImmOfsWidth(
MachineInstr *LdSt, unsigned &BaseReg, int &Offset, int &Width,
const TargetRegisterInfo *TRI) const {
// Handle only loads/stores with base register followed by immediate offset.
Width = 1;
Scale = 1;
break;
+ case AArch64::LDRQui:
+ case AArch64::STRQui:
+ Scale = Width = 16;
+ break;
case AArch64::LDRXui:
+ case AArch64::LDRDui:
case AArch64::STRXui:
+ case AArch64::STRDui:
Scale = Width = 8;
break;
case AArch64::LDRWui:
+ case AArch64::LDRSui:
case AArch64::STRWui:
+ case AArch64::STRSui:
Scale = Width = 4;
break;
- case AArch64::LDRBui:
- case AArch64::STRBui:
- Scale = Width = 1;
- break;
case AArch64::LDRHui:
+ case AArch64::LDRHHui:
case AArch64::STRHui:
+ case AArch64::STRHHui:
Scale = Width = 2;
break;
- case AArch64::LDRSui:
- case AArch64::STRSui:
- Scale = Width = 4;
- break;
- case AArch64::LDRDui:
- case AArch64::STRDui:
- Scale = Width = 8;
- break;
- case AArch64::LDRQui:
- case AArch64::STRQui:
- Scale = Width = 16;
- break;
+ case AArch64::LDRBui:
case AArch64::LDRBBui:
+ case AArch64::STRBui:
case AArch64::STRBBui:
Scale = Width = 1;
break;
- case AArch64::LDRHHui:
- case AArch64::STRHHui:
- Scale = Width = 2;
- break;
};
BaseReg = LdSt->getOperand(1).getReg();
/// Detect opportunities for ldp/stp formation.
///
-/// Only called for LdSt for which getLdStBaseRegImmOfs returns true.
+/// Only called for LdSt for which getMemOpBaseRegImmOfs returns true.
bool AArch64InstrInfo::shouldClusterLoads(MachineInstr *FirstLdSt,
MachineInstr *SecondLdSt,
unsigned NumLoads) const {
return false;
if (FirstLdSt->getOpcode() != SecondLdSt->getOpcode())
return false;
- // getLdStBaseRegImmOfs guarantees that oper 2 isImm.
+ // getMemOpBaseRegImmOfs guarantees that oper 2 isImm.
unsigned Ofs1 = FirstLdSt->getOperand(2).getImm();
// Allow 6 bits of positive range.
if (Ofs1 > 64)
bool AArch64InstrInfo::shouldScheduleAdjacent(MachineInstr *First,
MachineInstr *Second) const {
- // Cyclone can fuse CMN, CMP followed by Bcc.
-
- // FIXME: B0 can also fuse:
- // AND, BIC, ORN, ORR, or EOR (optional S) followed by Bcc or CBZ or CBNZ.
- if (Second->getOpcode() != AArch64::Bcc)
- return false;
- switch (First->getOpcode()) {
- default:
- return false;
- case AArch64::SUBSWri:
- case AArch64::ADDSWri:
- case AArch64::ANDSWri:
- case AArch64::SUBSXri:
- case AArch64::ADDSXri:
- case AArch64::ANDSXri:
- return true;
+ if (Subtarget.isCyclone()) {
+ // Cyclone can fuse CMN, CMP, TST followed by Bcc.
+ unsigned SecondOpcode = Second->getOpcode();
+ if (SecondOpcode == AArch64::Bcc) {
+ switch (First->getOpcode()) {
+ default:
+ return false;
+ case AArch64::SUBSWri:
+ case AArch64::ADDSWri:
+ case AArch64::ANDSWri:
+ case AArch64::SUBSXri:
+ case AArch64::ADDSXri:
+ case AArch64::ANDSXri:
+ return true;
+ }
+ }
+ // Cyclone B0 also supports ALU operations followed by CBZ/CBNZ.
+ if (SecondOpcode == AArch64::CBNZW || SecondOpcode == AArch64::CBNZX ||
+ SecondOpcode == AArch64::CBZW || SecondOpcode == AArch64::CBZX) {
+ switch (First->getOpcode()) {
+ default:
+ return false;
+ case AArch64::ADDWri:
+ case AArch64::ADDXri:
+ case AArch64::ANDWri:
+ case AArch64::ANDXri:
+ case AArch64::EORWri:
+ case AArch64::EORXri:
+ case AArch64::ORRWri:
+ case AArch64::ORRXri:
+ case AArch64::SUBWri:
+ case AArch64::SUBXri:
+ return true;
+ }
+ }
}
+ return false;
}
MachineInstr *AArch64InstrInfo::emitFrameIndexDebugValue(
}
for (; SubReg != End; SubReg += Incr) {
- const MachineInstrBuilder &MIB = BuildMI(MBB, I, DL, get(Opcode));
+ const MachineInstrBuilder MIB = BuildMI(MBB, I, DL, get(Opcode));
AddSubReg(MIB, DestReg, Indices[SubReg], RegState::Define, TRI);
AddSubReg(MIB, SrcReg, Indices[SubReg], 0, TRI);
AddSubReg(MIB, SrcReg, Indices[SubReg], getKillRegState(KillSrc), TRI);
MachineFrameInfo &MFI = *MF.getFrameInfo();
unsigned Align = MFI.getObjectAlignment(FI);
- MachinePointerInfo PtrInfo(PseudoSourceValue::getFixedStack(FI));
+ MachinePointerInfo PtrInfo = MachinePointerInfo::getFixedStack(MF, FI);
MachineMemOperand *MMO = MF.getMachineMemOperand(
PtrInfo, MachineMemOperand::MOStore, MFI.getObjectSize(FI), Align);
unsigned Opc = 0;
}
assert(Opc && "Unknown register class");
- const MachineInstrBuilder &MI = BuildMI(MBB, MBBI, DL, get(Opc))
+ const MachineInstrBuilder MI = BuildMI(MBB, MBBI, DL, get(Opc))
.addReg(SrcReg, getKillRegState(isKill))
.addFrameIndex(FI);
MachineFunction &MF = *MBB.getParent();
MachineFrameInfo &MFI = *MF.getFrameInfo();
unsigned Align = MFI.getObjectAlignment(FI);
- MachinePointerInfo PtrInfo(PseudoSourceValue::getFixedStack(FI));
+ MachinePointerInfo PtrInfo = MachinePointerInfo::getFixedStack(MF, FI);
MachineMemOperand *MMO = MF.getMachineMemOperand(
PtrInfo, MachineMemOperand::MOLoad, MFI.getObjectSize(FI), Align);
}
assert(Opc && "Unknown register class");
- const MachineInstrBuilder &MI = BuildMI(MBB, MBBI, DL, get(Opc))
+ const MachineInstrBuilder MI = BuildMI(MBB, MBBI, DL, get(Opc))
.addReg(DestReg, getDefRegState(true))
.addFrameIndex(FI);
if (Offset)
.setMIFlag(Flag);
}
-MachineInstr *
-AArch64InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, MachineInstr *MI,
- const SmallVectorImpl<unsigned> &Ops,
- int FrameIndex) const {
+MachineInstr *AArch64InstrInfo::foldMemoryOperandImpl(
+ MachineFunction &MF, MachineInstr *MI, ArrayRef<unsigned> Ops,
+ MachineBasicBlock::iterator InsertPt, int FrameIndex) const {
// This is a bit of a hack. Consider this instruction:
//
// %vreg0<def> = COPY %SP; GPR64all:%vreg0
case AArch64::LDPDi:
case AArch64::STPXi:
case AArch64::STPDi:
+ case AArch64::LDNPXi:
+ case AArch64::LDNPDi:
+ case AArch64::STNPXi:
+ case AArch64::STNPDi:
+ ImmIdx = 3;
IsSigned = true;
Scale = 8;
break;
case AArch64::LDPQi:
case AArch64::STPQi:
+ case AArch64::LDNPQi:
+ case AArch64::STNPQi:
+ ImmIdx = 3;
IsSigned = true;
Scale = 16;
break;
case AArch64::LDPSi:
case AArch64::STPWi:
case AArch64::STPSi:
+ case AArch64::LDNPWi:
+ case AArch64::LDNPSi:
+ case AArch64::STNPWi:
+ case AArch64::STNPSi:
+ ImmIdx = 3;
IsSigned = true;
Scale = 4;
break;
void AArch64InstrInfo::getNoopForMachoTarget(MCInst &NopInst) const {
NopInst.setOpcode(AArch64::HINT);
- NopInst.addOperand(MCOperand::CreateImm(0));
+ NopInst.addOperand(MCOperand::createImm(0));
}
/// useMachineCombiner - return true when a target supports MachineCombiner
bool AArch64InstrInfo::useMachineCombiner() const {
return true;
}
-/// hasPattern - return true when there is potentially a faster code sequence
-/// for an instruction chain ending in \p Root. All potential patterns are
-/// listed
-/// in the \p Pattern vector. Pattern should be sorted in priority order since
-/// the pattern evaluator stops checking as soon as it finds a faster sequence.
+// TODO: There are many more machine instruction opcodes to match:
+// 1. Other data types (integer, vectors)
+// 2. Other math / logic operations (xor, or)
+// 3. Other forms of the same operation (intrinsics and other variants)
+bool AArch64InstrInfo::isAssociativeAndCommutative(const MachineInstr &Inst) const {
+ switch (Inst.getOpcode()) {
+ case AArch64::FADDDrr:
+ case AArch64::FADDSrr:
+ case AArch64::FADDv2f32:
+ case AArch64::FADDv2f64:
+ case AArch64::FADDv4f32:
+ case AArch64::FMULDrr:
+ case AArch64::FMULSrr:
+ case AArch64::FMULX32:
+ case AArch64::FMULX64:
+ case AArch64::FMULXv2f32:
+ case AArch64::FMULXv2f64:
+ case AArch64::FMULXv4f32:
+ case AArch64::FMULv2f32:
+ case AArch64::FMULv2f64:
+ case AArch64::FMULv4f32:
+ return Inst.getParent()->getParent()->getTarget().Options.UnsafeFPMath;
+ default:
+ return false;
+ }
+}
-bool AArch64InstrInfo::hasPattern(
- MachineInstr &Root,
- SmallVectorImpl<MachineCombinerPattern::MC_PATTERN> &Pattern) const {
+/// Find instructions that can be turned into madd.
+static bool getMaddPatterns(MachineInstr &Root,
+ SmallVectorImpl<MachineCombinerPattern> &Patterns) {
unsigned Opc = Root.getOpcode();
MachineBasicBlock &MBB = *Root.getParent();
bool Found = false;
"ADDWrr does not have register operands");
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDWrrr,
AArch64::WZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULADDW_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULADDW_OP1);
Found = true;
}
if (canCombineWithMUL(MBB, Root.getOperand(2), AArch64::MADDWrrr,
AArch64::WZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULADDW_OP2);
+ Patterns.push_back(MachineCombinerPattern::MULADDW_OP2);
Found = true;
}
break;
case AArch64::ADDXrr:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDXrrr,
AArch64::XZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULADDX_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULADDX_OP1);
Found = true;
}
if (canCombineWithMUL(MBB, Root.getOperand(2), AArch64::MADDXrrr,
AArch64::XZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULADDX_OP2);
+ Patterns.push_back(MachineCombinerPattern::MULADDX_OP2);
Found = true;
}
break;
case AArch64::SUBWrr:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDWrrr,
AArch64::WZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULSUBW_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULSUBW_OP1);
Found = true;
}
if (canCombineWithMUL(MBB, Root.getOperand(2), AArch64::MADDWrrr,
AArch64::WZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULSUBW_OP2);
+ Patterns.push_back(MachineCombinerPattern::MULSUBW_OP2);
Found = true;
}
break;
case AArch64::SUBXrr:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDXrrr,
AArch64::XZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULSUBX_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULSUBX_OP1);
Found = true;
}
if (canCombineWithMUL(MBB, Root.getOperand(2), AArch64::MADDXrrr,
AArch64::XZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULSUBX_OP2);
+ Patterns.push_back(MachineCombinerPattern::MULSUBX_OP2);
Found = true;
}
break;
case AArch64::ADDWri:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDWrrr,
AArch64::WZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULADDWI_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULADDWI_OP1);
Found = true;
}
break;
case AArch64::ADDXri:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDXrrr,
AArch64::XZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULADDXI_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULADDXI_OP1);
Found = true;
}
break;
case AArch64::SUBWri:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDWrrr,
AArch64::WZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULSUBWI_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULSUBWI_OP1);
Found = true;
}
break;
case AArch64::SUBXri:
if (canCombineWithMUL(MBB, Root.getOperand(1), AArch64::MADDXrrr,
AArch64::XZR)) {
- Pattern.push_back(MachineCombinerPattern::MC_MULSUBXI_OP1);
+ Patterns.push_back(MachineCombinerPattern::MULSUBXI_OP1);
Found = true;
}
break;
return Found;
}
+/// Return true when there is potentially a faster code sequence for an
+/// instruction chain ending in \p Root. All potential patterns are listed in
+/// the \p Pattern vector. Pattern should be sorted in priority order since the
+/// pattern evaluator stops checking as soon as it finds a faster sequence.
+
+bool AArch64InstrInfo::getMachineCombinerPatterns(
+ MachineInstr &Root,
+ SmallVectorImpl<MachineCombinerPattern> &Patterns) const {
+ if (getMaddPatterns(Root, Patterns))
+ return true;
+
+ return TargetInstrInfo::getMachineCombinerPatterns(Root, Patterns);
+}
+
/// genMadd - Generate madd instruction and combine mul and add.
/// Example:
/// MUL I=A,B,0
return MUL;
}
-/// genAlternativeCodeSequence - when hasPattern() finds a pattern
+/// When getMachineCombinerPatterns() finds potential patterns,
/// this function generates the instructions that could replace the
/// original code sequence
void AArch64InstrInfo::genAlternativeCodeSequence(
- MachineInstr &Root, MachineCombinerPattern::MC_PATTERN Pattern,
+ MachineInstr &Root, MachineCombinerPattern Pattern,
SmallVectorImpl<MachineInstr *> &InsInstrs,
SmallVectorImpl<MachineInstr *> &DelInstrs,
DenseMap<unsigned, unsigned> &InstrIdxForVirtReg) const {
unsigned Opc;
switch (Pattern) {
default:
- // signal error.
- break;
- case MachineCombinerPattern::MC_MULADDW_OP1:
- case MachineCombinerPattern::MC_MULADDX_OP1:
+ // Reassociate instructions.
+ TargetInstrInfo::genAlternativeCodeSequence(Root, Pattern, InsInstrs,
+ DelInstrs, InstrIdxForVirtReg);
+ return;
+ case MachineCombinerPattern::MULADDW_OP1:
+ case MachineCombinerPattern::MULADDX_OP1:
// MUL I=A,B,0
// ADD R,I,C
// ==> MADD R,A,B,C
// --- Create(MADD);
- if (Pattern == MachineCombinerPattern::MC_MULADDW_OP1) {
+ if (Pattern == MachineCombinerPattern::MULADDW_OP1) {
Opc = AArch64::MADDWrrr;
RC = &AArch64::GPR32RegClass;
} else {
}
MUL = genMadd(MF, MRI, TII, Root, InsInstrs, 1, Opc, RC);
break;
- case MachineCombinerPattern::MC_MULADDW_OP2:
- case MachineCombinerPattern::MC_MULADDX_OP2:
+ case MachineCombinerPattern::MULADDW_OP2:
+ case MachineCombinerPattern::MULADDX_OP2:
// MUL I=A,B,0
// ADD R,C,I
// ==> MADD R,A,B,C
// --- Create(MADD);
- if (Pattern == MachineCombinerPattern::MC_MULADDW_OP2) {
+ if (Pattern == MachineCombinerPattern::MULADDW_OP2) {
Opc = AArch64::MADDWrrr;
RC = &AArch64::GPR32RegClass;
} else {
}
MUL = genMadd(MF, MRI, TII, Root, InsInstrs, 2, Opc, RC);
break;
- case MachineCombinerPattern::MC_MULADDWI_OP1:
- case MachineCombinerPattern::MC_MULADDXI_OP1: {
+ case MachineCombinerPattern::MULADDWI_OP1:
+ case MachineCombinerPattern::MULADDXI_OP1: {
// MUL I=A,B,0
// ADD R,I,Imm
// ==> ORR V, ZR, Imm
// --- Create(MADD);
const TargetRegisterClass *OrrRC;
unsigned BitSize, OrrOpc, ZeroReg;
- if (Pattern == MachineCombinerPattern::MC_MULADDWI_OP1) {
+ if (Pattern == MachineCombinerPattern::MULADDWI_OP1) {
OrrOpc = AArch64::ORRWri;
OrrRC = &AArch64::GPR32spRegClass;
BitSize = 32;
}
break;
}
- case MachineCombinerPattern::MC_MULSUBW_OP1:
- case MachineCombinerPattern::MC_MULSUBX_OP1: {
+ case MachineCombinerPattern::MULSUBW_OP1:
+ case MachineCombinerPattern::MULSUBX_OP1: {
// MUL I=A,B,0
// SUB R,I, C
// ==> SUB V, 0, C
// --- Create(MADD);
const TargetRegisterClass *SubRC;
unsigned SubOpc, ZeroReg;
- if (Pattern == MachineCombinerPattern::MC_MULSUBW_OP1) {
+ if (Pattern == MachineCombinerPattern::MULSUBW_OP1) {
SubOpc = AArch64::SUBWrr;
SubRC = &AArch64::GPR32spRegClass;
ZeroReg = AArch64::WZR;
MUL = genMaddR(MF, MRI, TII, Root, InsInstrs, 1, Opc, NewVR, RC);
break;
}
- case MachineCombinerPattern::MC_MULSUBW_OP2:
- case MachineCombinerPattern::MC_MULSUBX_OP2:
+ case MachineCombinerPattern::MULSUBW_OP2:
+ case MachineCombinerPattern::MULSUBX_OP2:
// MUL I=A,B,0
// SUB R,C,I
// ==> MSUB R,A,B,C (computes C - A*B)
// --- Create(MSUB);
- if (Pattern == MachineCombinerPattern::MC_MULSUBW_OP2) {
+ if (Pattern == MachineCombinerPattern::MULSUBW_OP2) {
Opc = AArch64::MSUBWrrr;
RC = &AArch64::GPR32RegClass;
} else {
}
MUL = genMadd(MF, MRI, TII, Root, InsInstrs, 2, Opc, RC);
break;
- case MachineCombinerPattern::MC_MULSUBWI_OP1:
- case MachineCombinerPattern::MC_MULSUBXI_OP1: {
+ case MachineCombinerPattern::MULSUBWI_OP1:
+ case MachineCombinerPattern::MULSUBXI_OP1: {
// MUL I=A,B,0
// SUB R,I, Imm
// ==> ORR V, ZR, -Imm
// --- Create(MADD);
const TargetRegisterClass *OrrRC;
unsigned BitSize, OrrOpc, ZeroReg;
- if (Pattern == MachineCombinerPattern::MC_MULSUBWI_OP1) {
+ if (Pattern == MachineCombinerPattern::MULSUBWI_OP1) {
OrrOpc = AArch64::ORRWri;
OrrRC = &AArch64::GPR32spRegClass;
BitSize = 32;
MI->eraseFromParent();
return true;
}
+
+std::pair<unsigned, unsigned>
+AArch64InstrInfo::decomposeMachineOperandsTargetFlags(unsigned TF) const {
+ const unsigned Mask = AArch64II::MO_FRAGMENT;
+ return std::make_pair(TF & Mask, TF & ~Mask);
+}
+
+ArrayRef<std::pair<unsigned, const char *>>
+AArch64InstrInfo::getSerializableDirectMachineOperandTargetFlags() const {
+ using namespace AArch64II;
+ static const std::pair<unsigned, const char *> TargetFlags[] = {
+ {MO_PAGE, "aarch64-page"},
+ {MO_PAGEOFF, "aarch64-pageoff"},
+ {MO_G3, "aarch64-g3"},
+ {MO_G2, "aarch64-g2"},
+ {MO_G1, "aarch64-g1"},
+ {MO_G0, "aarch64-g0"},
+ {MO_HI12, "aarch64-hi12"}};
+ return makeArrayRef(TargetFlags);
+}
+
+ArrayRef<std::pair<unsigned, const char *>>
+AArch64InstrInfo::getSerializableBitmaskMachineOperandTargetFlags() const {
+ using namespace AArch64II;
+ static const std::pair<unsigned, const char *> TargetFlags[] = {
+ {MO_GOT, "aarch64-got"},
+ {MO_NC, "aarch64-nc"},
+ {MO_TLS, "aarch64-tls"},
+ {MO_CONSTPOOL, "aarch64-constant-pool"}};
+ return makeArrayRef(TargetFlags);
+}
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