const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const =0;
- virtual void copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const = 0;
-
/// getCrossCopyRegClass - Returns a legal register class to copy a register
/// in the specified class to or from. Returns NULL if it is possible to copy
/// between a two registers of the specified class.
return 0;
}
+ /// copyRegToReg - Add a copy between a pair of registers
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ assert(0 && "Target didn't implement TargetInstrInfo::copyRegToReg!");
+ }
+
/// BlockHasNoFallThrough - Return true if the specified block does not
/// fall-through into its successor block. This is primarily used when a
/// branch is unanalyzable. It is useful for things like unconditional
MachineBasicBlock *MBB = MI->getParent();
MachineFunction &MF = *MBB->getParent();
const MRegisterInfo &MRI = *MF.getTarget().getRegisterInfo();
+ const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
assert(MI->getOperand(0).isRegister() && MI->getOperand(0).isDef() &&
MI->getOperand(1).isRegister() && MI->getOperand(1).isUse() &&
assert(TRC == getPhysicalRegisterRegClass(MRI, SrcReg) &&
"Extract subreg and Dst must be of same register class");
- MRI.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC, TRC);
+ TII.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC, TRC);
MachineBasicBlock::iterator dMI = MI;
DOUT << "subreg: " << *(--dMI);
}
MachineBasicBlock *MBB = MI->getParent();
MachineFunction &MF = *MBB->getParent();
const MRegisterInfo &MRI = *MF.getTarget().getRegisterInfo();
+ const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
unsigned DstReg = 0;
unsigned SrcReg = 0;
unsigned InsReg = 0;
} else {
TRC1 = MF.getRegInfo().getRegClass(InsReg);
}
- MRI.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
+ TII.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
#ifndef NDEBUG
MachineBasicBlock::iterator dMI = MI;
assert(TRC0 == getPhysicalRegisterRegClass(MRI, SrcReg) &&
"Insert superreg and Dst must be of same register class");
- MRI.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC0, TRC0);
+ TII.copyRegToReg(*MBB, MI, DstReg, SrcReg, TRC0, TRC0);
#ifndef NDEBUG
MachineBasicBlock::iterator dMI = MI;
} else {
TRC1 = MF.getRegInfo().getRegClass(InsReg);
}
- MRI.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
+ TII.copyRegToReg(*MBB, MI, DstSubReg, InsReg, TRC1, TRC1);
#ifndef NDEBUG
MachineBasicBlock::iterator dMI = MI;
// after any remaining phi nodes) which copies the new incoming register
// into the phi node destination.
//
- const MRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
- RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC);
+ const TargetInstrInfo *TII = MF.getTarget().getInstrInfo();
+ TII->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC);
// Update live variable information if there is any...
LiveVariables *LV = getAnalysisToUpdate<LiveVariables>();
MachineBasicBlock::iterator I = opBlock.getFirstTerminator();
// Insert the copy.
- RegInfo->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC, RC);
+ TII->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC, RC);
// Now update live variable information if we have it. Otherwise we're done
if (!LV) continue;
} else {
// Create the reg, emit the copy.
VRBase = RegInfo.createVirtualRegister(TRC);
- MRI->copyRegToReg(*BB, BB->end(), VRBase, SrcReg, TRC, TRC);
+ TII->copyRegToReg(*BB, BB->end(), VRBase, SrcReg, TRC, TRC);
}
if (InstanceNo > 0)
TRC =
MRI->getPhysicalRegisterRegClass(Node->getOperand(2).getValueType(),
InReg);
- MRI->copyRegToReg(*BB, BB->end(), DestReg, InReg, TRC, TRC);
+ TII->copyRegToReg(*BB, BB->end(), DestReg, InReg, TRC, TRC);
}
break;
}
}
}
assert(I->Reg && "Unknown physical register!");
- MRI->copyRegToReg(*BB, BB->end(), Reg, VRI->second,
+ TII->copyRegToReg(*BB, BB->end(), Reg, VRI->second,
SU->CopyDstRC, SU->CopySrcRC);
} else {
// Copy from physical register.
unsigned VRBase = RegInfo.createVirtualRegister(SU->CopyDstRC);
bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase));
assert(isNew && "Node emitted out of order - early");
- MRI->copyRegToReg(*BB, BB->end(), VRBase, I->Reg,
+ TII->copyRegToReg(*BB, BB->end(), VRBase, I->Reg,
SU->CopyDstRC, SU->CopySrcRC);
}
break;
E = RegInfo.livein_end(); LI != E; ++LI)
if (LI->second) {
const TargetRegisterClass *RC = RegInfo.getRegClass(LI->second);
- MRI->copyRegToReg(*MF.begin(), MF.begin()->end(), LI->second,
+ TII->copyRegToReg(*MF.begin(), MF.begin()->end(), LI->second,
LI->first, RC, RC);
}
}
DOUT << "Machine Function\n";
const TargetMachine &TM = MF.getTarget();
const TargetInstrInfo &TII = *TM.getInstrInfo();
- const MRegisterInfo &MRI = *TM.getRegisterInfo();
LiveVariables &LV = getAnalysis<LiveVariables>();
bool MadeChange = false;
InstructionRearranged:
const TargetRegisterClass* rc = MF.getRegInfo().getRegClass(regA);
- MRI.copyRegToReg(*mbbi, mi, regA, regB, rc, rc);
+ TII.copyRegToReg(*mbbi, mi, regA, regB, rc, rc);
MachineBasicBlock::iterator prevMi = prior(mi);
DOUT << "\t\tprepend:\t"; DEBUG(prevMi->print(*cerr.stream(), &TM));
DOUT << MBB.getBasicBlock()->getName() << ":\n";
MachineFunction &MF = *MBB.getParent();
-
+
// Spills - Keep track of which spilled values are available in physregs so
// that we can choose to reuse the physregs instead of emitting reloads.
AvailableSpills Spills(MRI, TII);
const TargetRegisterClass* RC = RegInfo->getRegClass(VirtReg);
RegInfo->setPhysRegUsed(DesignatedReg);
ReusedOperands.markClobbered(DesignatedReg);
- MRI->copyRegToReg(MBB, &MI, DesignatedReg, PhysReg, RC, RC);
+ TII->copyRegToReg(MBB, &MI, DesignatedReg, PhysReg, RC, RC);
MachineInstr *CopyMI = prior(MII);
UpdateKills(*CopyMI, RegKills, KillOps);
DOUT << "Promoted Load To Copy: " << MI;
if (DestReg != InReg) {
const TargetRegisterClass *RC = RegInfo->getRegClass(VirtReg);
- MRI->copyRegToReg(MBB, &MI, DestReg, InReg, RC, RC);
+ TII->copyRegToReg(MBB, &MI, DestReg, InReg, RC, RC);
// Revisit the copy so we make sure to notice the effects of the
// operation on the destreg (either needing to RA it if it's
// virtual or needing to clobber any values if it's physical).
static cl::opt<bool> EnableARM3Addr("enable-arm-3-addr-conv", cl::Hidden,
cl::desc("Enable ARM 2-addr to 3-addr conv"));
+static inline
+const MachineInstrBuilder &AddDefaultPred(const MachineInstrBuilder &MIB) {
+ return MIB.addImm((int64_t)ARMCC::AL).addReg(0);
+}
+
+static inline
+const MachineInstrBuilder &AddDefaultCC(const MachineInstrBuilder &MIB) {
+ return MIB.addReg(0);
+}
+
ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI)
: TargetInstrInfo(ARMInsts, array_lengthof(ARMInsts)),
RI(*this, STI) {
return 2;
}
+void ARMInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ if (DestRC != SrcRC) {
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ if (DestRC == ARM::GPRRegisterClass) {
+ MachineFunction &MF = *MBB.getParent();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ if (AFI->isThumbFunction())
+ BuildMI(MBB, I, get(ARM::tMOVr), DestReg).addReg(SrcReg);
+ else
+ AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, get(ARM::MOVr), DestReg)
+ .addReg(SrcReg)));
+ } else if (DestRC == ARM::SPRRegisterClass)
+ AddDefaultPred(BuildMI(MBB, I, get(ARM::FCPYS), DestReg)
+ .addReg(SrcReg));
+ else if (DestRC == ARM::DPRRegisterClass)
+ AddDefaultPred(BuildMI(MBB, I, get(ARM::FCPYD), DestReg)
+ .addReg(SrcReg));
+ else
+ abort();
+}
+
bool ARMInstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
return;
}
-void ARMRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- if (DestRC != SrcRC) {
- cerr << "Not yet supported!";
- abort();
- }
-
- if (DestRC == ARM::GPRRegisterClass) {
- MachineFunction &MF = *MBB.getParent();
- ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- if (AFI->isThumbFunction())
- BuildMI(MBB, I, TII.get(ARM::tMOVr), DestReg).addReg(SrcReg);
- else
- AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, TII.get(ARM::MOVr), DestReg)
- .addReg(SrcReg)));
- } else if (DestRC == ARM::SPRRegisterClass)
- AddDefaultPred(BuildMI(MBB, I, TII.get(ARM::FCPYS), DestReg)
- .addReg(SrcReg));
- else if (DestRC == ARM::DPRRegisterClass)
- AddDefaultPred(BuildMI(MBB, I, TII.get(ARM::FCPYD), DestReg)
- .addReg(SrcReg));
- else
- abort();
-}
-
/// emitLoadConstPool - Emits a load from constpool to materialize the
/// specified immediate.
static void emitLoadConstPool(MachineBasicBlock &MBB,
return 2;
}
+void AlphaInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ //cerr << "copyRegToReg " << DestReg << " <- " << SrcReg << "\n";
+ if (DestRC != SrcRC) {
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ if (DestRC == Alpha::GPRCRegisterClass) {
+ BuildMI(MBB, MI, get(Alpha::BISr), DestReg).addReg(SrcReg).addReg(SrcReg);
+ } else if (DestRC == Alpha::F4RCRegisterClass) {
+ BuildMI(MBB, MI, get(Alpha::CPYSS), DestReg).addReg(SrcReg).addReg(SrcReg);
+ } else if (DestRC == Alpha::F8RCRegisterClass) {
+ BuildMI(MBB, MI, get(Alpha::CPYST), DestReg).addReg(SrcReg).addReg(SrcReg);
+ } else {
+ cerr << "Attempt to copy register that is not GPR or FPR";
+ abort();
+ }
+}
+
static unsigned AlphaRevCondCode(unsigned Opcode) {
switch (Opcode) {
case Alpha::BEQ: return Alpha::BNE;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
std::vector<MachineOperand> &Cond) const;
return 0;
}
-
-void AlphaRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- //cerr << "copyRegToReg " << DestReg << " <- " << SrcReg << "\n";
- if (DestRC != SrcRC) {
- cerr << "Not yet supported!";
- abort();
- }
-
- if (DestRC == Alpha::GPRCRegisterClass) {
- BuildMI(MBB, MI, TII.get(Alpha::BISr), DestReg).addReg(SrcReg).addReg(SrcReg);
- } else if (DestRC == Alpha::F4RCRegisterClass) {
- BuildMI(MBB, MI, TII.get(Alpha::CPYSS), DestReg).addReg(SrcReg).addReg(SrcReg);
- } else if (DestRC == Alpha::F8RCRegisterClass) {
- BuildMI(MBB, MI, TII.get(Alpha::CPYST), DestReg).addReg(SrcReg).addReg(SrcReg);
- } else {
- cerr << "Attempt to copy register that is not GPR or FPR";
- abort();
- }
-}
-
void AlphaRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
}
return 0;
}
+
+void SPUInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const
+{
+ if (DestRC != SrcRC) {
+ cerr << "SPURegisterInfo::copyRegToReg(): DestRC != SrcRC not supported!\n";
+ abort();
+ }
+
+ if (DestRC == SPU::R8CRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORBIr8), DestReg).addReg(SrcReg).addImm(0);
+ } else if (DestRC == SPU::R16CRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORHIr16), DestReg).addReg(SrcReg).addImm(0);
+ } else if (DestRC == SPU::R32CRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORIr32), DestReg).addReg(SrcReg).addImm(0);
+ } else if (DestRC == SPU::R32FPRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORf32), DestReg).addReg(SrcReg)
+ .addReg(SrcReg);
+ } else if (DestRC == SPU::R64CRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORIr64), DestReg).addReg(SrcReg).addImm(0);
+ } else if (DestRC == SPU::R64FPRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORf64), DestReg).addReg(SrcReg)
+ .addReg(SrcReg);
+ } else if (DestRC == SPU::GPRCRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORgprc), DestReg).addReg(SrcReg)
+ .addReg(SrcReg);
+ } else if (DestRC == SPU::VECREGRegisterClass) {
+ BuildMI(MBB, MI, get(SPU::ORv4i32), DestReg).addReg(SrcReg)
+ .addReg(SrcReg);
+ } else {
+ std::cerr << "Attempt to copy unknown/unsupported register class!\n";
+ abort();
+ }
+}
unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
+
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
};
}
}
}
-void SPURegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const
-{
- if (DestRC != SrcRC) {
- cerr << "SPURegisterInfo::copyRegToReg(): DestRC != SrcRC not supported!\n";
- abort();
- }
-
- if (DestRC == SPU::R8CRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORBIr8), DestReg).addReg(SrcReg).addImm(0);
- } else if (DestRC == SPU::R16CRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORHIr16), DestReg).addReg(SrcReg).addImm(0);
- } else if (DestRC == SPU::R32CRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORIr32), DestReg).addReg(SrcReg).addImm(0);
- } else if (DestRC == SPU::R32FPRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORf32), DestReg).addReg(SrcReg)
- .addReg(SrcReg);
- } else if (DestRC == SPU::R64CRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORIr64), DestReg).addReg(SrcReg).addImm(0);
- } else if (DestRC == SPU::R64FPRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORf64), DestReg).addReg(SrcReg)
- .addReg(SrcReg);
- } else if (DestRC == SPU::GPRCRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORgprc), DestReg).addReg(SrcReg)
- .addReg(SrcReg);
- } else if (DestRC == SPU::VECREGRegisterClass) {
- BuildMI(MBB, MI, TII.get(SPU::ORv4i32), DestReg).addReg(SrcReg)
- .addReg(SrcReg);
- } else {
- std::cerr << "Attempt to copy unknown/unsupported register class!\n";
- abort();
- }
-}
-
void SPURegisterInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
BuildMI(&MBB, get(IA64::BRL_NOTCALL)).addMBB(TBB);
return 1;
}
+
+void IA64InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ if (DestRC != SrcRC) {
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ if(DestRC == IA64::PRRegisterClass ) // if a bool, we use pseudocode
+ // (SrcReg) DestReg = cmp.eq.unc(r0, r0)
+ BuildMI(MBB, MI, get(IA64::PCMPEQUNC), DestReg)
+ .addReg(IA64::r0).addReg(IA64::r0).addReg(SrcReg);
+ else // otherwise, MOV works (for both gen. regs and FP regs)
+ BuildMI(MBB, MI, get(IA64::MOV), DestReg).addReg(SrcReg);
+}
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
-
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
};
} // End llvm namespace
return;
}
-void IA64RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- if (DestRC != SrcRC) {
- cerr << "Not yet supported!";
- abort();
- }
-
- if(DestRC == IA64::PRRegisterClass ) // if a bool, we use pseudocode
- // (SrcReg) DestReg = cmp.eq.unc(r0, r0)
- BuildMI(MBB, MI, TII.get(IA64::PCMPEQUNC), DestReg)
- .addReg(IA64::r0).addReg(IA64::r0).addReg(SrcReg);
- else // otherwise, MOV works (for both gen. regs and FP regs)
- BuildMI(MBB, MI, TII.get(IA64::MOV), DestReg).addReg(SrcReg);
-}
-
void IA64RegisterInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
return 2;
}
+void MipsInstrInfo::
+copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ if (DestRC != SrcRC) {
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ if (DestRC == Mips::CPURegsRegisterClass)
+ BuildMI(MBB, I, get(Mips::ADDu), DestReg).addReg(Mips::ZERO)
+ .addReg(SrcReg);
+ else
+ assert (0 && "Can't copy this register");
+}
+
unsigned MipsInstrInfo::
RemoveBranch(MachineBasicBlock &MBB) const
{
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
+ virtual void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
return;
}
-void MipsRegisterInfo::
-copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const
-{
- if (DestRC != SrcRC) {
- cerr << "Not yet supported!";
- abort();
- }
-
- if (DestRC == Mips::CPURegsRegisterClass)
- BuildMI(MBB, I, TII.get(Mips::ADDu), DestReg).addReg(Mips::ZERO)
- .addReg(SrcReg);
- else
- assert (0 && "Can't copy this register");
-}
-
void MipsRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
return 2;
}
+void PPCInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ if (DestRC != SrcRC) {
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ if (DestRC == PPC::GPRCRegisterClass) {
+ BuildMI(MBB, MI, get(PPC::OR), DestReg).addReg(SrcReg).addReg(SrcReg);
+ } else if (DestRC == PPC::G8RCRegisterClass) {
+ BuildMI(MBB, MI, get(PPC::OR8), DestReg).addReg(SrcReg).addReg(SrcReg);
+ } else if (DestRC == PPC::F4RCRegisterClass) {
+ BuildMI(MBB, MI, get(PPC::FMRS), DestReg).addReg(SrcReg);
+ } else if (DestRC == PPC::F8RCRegisterClass) {
+ BuildMI(MBB, MI, get(PPC::FMRD), DestReg).addReg(SrcReg);
+ } else if (DestRC == PPC::CRRCRegisterClass) {
+ BuildMI(MBB, MI, get(PPC::MCRF), DestReg).addReg(SrcReg);
+ } else if (DestRC == PPC::VRRCRegisterClass) {
+ BuildMI(MBB, MI, get(PPC::VOR), DestReg).addReg(SrcReg).addReg(SrcReg);
+ } else {
+ cerr << "Attempt to copy register that is not GPR or FPR";
+ abort();
+ }
+}
+
bool PPCInstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
+ void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
};
return;
}
-void PPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- if (DestRC != SrcRC) {
- cerr << "Not yet supported!";
- abort();
- }
-
- if (DestRC == PPC::GPRCRegisterClass) {
- BuildMI(MBB, MI, TII.get(PPC::OR), DestReg).addReg(SrcReg).addReg(SrcReg);
- } else if (DestRC == PPC::G8RCRegisterClass) {
- BuildMI(MBB, MI, TII.get(PPC::OR8), DestReg).addReg(SrcReg).addReg(SrcReg);
- } else if (DestRC == PPC::F4RCRegisterClass) {
- BuildMI(MBB, MI, TII.get(PPC::FMRS), DestReg).addReg(SrcReg);
- } else if (DestRC == PPC::F8RCRegisterClass) {
- BuildMI(MBB, MI, TII.get(PPC::FMRD), DestReg).addReg(SrcReg);
- } else if (DestRC == PPC::CRRCRegisterClass) {
- BuildMI(MBB, MI, TII.get(PPC::MCRF), DestReg).addReg(SrcReg);
- } else if (DestRC == PPC::VRRCRegisterClass) {
- BuildMI(MBB, MI, TII.get(PPC::VOR), DestReg).addReg(SrcReg).addReg(SrcReg);
- } else {
- cerr << "Attempt to copy register that is not GPR or FPR";
- abort();
- }
-}
-
void PPCRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
//===----------------------------------------------------------------------===//
#include "SparcInstrInfo.h"
+#include "SparcSubtarget.h"
#include "Sparc.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
SparcInstrInfo::SparcInstrInfo(SparcSubtarget &ST)
: TargetInstrInfo(SparcInsts, array_lengthof(SparcInsts)),
- RI(ST, *this) {
+ RI(ST, *this), Subtarget(ST) {
}
static bool isZeroImm(const MachineOperand &op) {
BuildMI(&MBB, get(SP::BA)).addMBB(TBB);
return 1;
}
+
+void SparcInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ if (DestRC != SrcRC) {
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ if (DestRC == SP::IntRegsRegisterClass)
+ BuildMI(MBB, I, get(SP::ORrr), DestReg).addReg(SP::G0).addReg(SrcReg);
+ else if (DestRC == SP::FPRegsRegisterClass)
+ BuildMI(MBB, I, get(SP::FMOVS), DestReg).addReg(SrcReg);
+ else if (DestRC == SP::DFPRegsRegisterClass)
+ BuildMI(MBB, I, get(Subtarget.isV9() ? SP::FMOVD : SP::FpMOVD),DestReg)
+ .addReg(SrcReg);
+ else
+ assert (0 && "Can't copy this register");
+}
class SparcInstrInfo : public TargetInstrInfo {
const SparcRegisterInfo RI;
+ const SparcSubtarget& Subtarget;
public:
SparcInstrInfo(SparcSubtarget &ST);
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
+
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
};
}
return;
}
-void SparcRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- if (DestRC != SrcRC) {
- cerr << "Not yet supported!";
- abort();
- }
-
- if (DestRC == SP::IntRegsRegisterClass)
- BuildMI(MBB, I, TII.get(SP::ORrr), DestReg).addReg(SP::G0).addReg(SrcReg);
- else if (DestRC == SP::FPRegsRegisterClass)
- BuildMI(MBB, I, TII.get(SP::FMOVS), DestReg).addReg(SrcReg);
- else if (DestRC == SP::DFPRegsRegisterClass)
- BuildMI(MBB, I, TII.get(Subtarget.isV9() ? SP::FMOVD : SP::FpMOVD),DestReg)
- .addReg(SrcReg);
- else
- assert (0 && "Can't copy this register");
-}
-
void SparcRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg,
return 2;
}
+void X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const {
+ if (DestRC != SrcRC) {
+ // Moving EFLAGS to / from another register requires a push and a pop.
+ if (SrcRC == &X86::CCRRegClass) {
+ assert(SrcReg == X86::EFLAGS);
+ if (DestRC == &X86::GR64RegClass) {
+ BuildMI(MBB, MI, get(X86::PUSHFQ));
+ BuildMI(MBB, MI, get(X86::POP64r), DestReg);
+ return;
+ } else if (DestRC == &X86::GR32RegClass) {
+ BuildMI(MBB, MI, get(X86::PUSHFD));
+ BuildMI(MBB, MI, get(X86::POP32r), DestReg);
+ return;
+ }
+ } else if (DestRC == &X86::CCRRegClass) {
+ assert(DestReg == X86::EFLAGS);
+ if (SrcRC == &X86::GR64RegClass) {
+ BuildMI(MBB, MI, get(X86::PUSH64r)).addReg(SrcReg);
+ BuildMI(MBB, MI, get(X86::POPFQ));
+ return;
+ } else if (SrcRC == &X86::GR32RegClass) {
+ BuildMI(MBB, MI, get(X86::PUSH32r)).addReg(SrcReg);
+ BuildMI(MBB, MI, get(X86::POPFD));
+ return;
+ }
+ }
+ cerr << "Not yet supported!";
+ abort();
+ }
+
+ unsigned Opc;
+ if (DestRC == &X86::GR64RegClass) {
+ Opc = X86::MOV64rr;
+ } else if (DestRC == &X86::GR32RegClass) {
+ Opc = X86::MOV32rr;
+ } else if (DestRC == &X86::GR16RegClass) {
+ Opc = X86::MOV16rr;
+ } else if (DestRC == &X86::GR8RegClass) {
+ Opc = X86::MOV8rr;
+ } else if (DestRC == &X86::GR32_RegClass) {
+ Opc = X86::MOV32_rr;
+ } else if (DestRC == &X86::GR16_RegClass) {
+ Opc = X86::MOV16_rr;
+ } else if (DestRC == &X86::RFP32RegClass) {
+ Opc = X86::MOV_Fp3232;
+ } else if (DestRC == &X86::RFP64RegClass || DestRC == &X86::RSTRegClass) {
+ Opc = X86::MOV_Fp6464;
+ } else if (DestRC == &X86::RFP80RegClass) {
+ Opc = X86::MOV_Fp8080;
+ } else if (DestRC == &X86::FR32RegClass) {
+ Opc = X86::FsMOVAPSrr;
+ } else if (DestRC == &X86::FR64RegClass) {
+ Opc = X86::FsMOVAPDrr;
+ } else if (DestRC == &X86::VR128RegClass) {
+ Opc = X86::MOVAPSrr;
+ } else if (DestRC == &X86::VR64RegClass) {
+ Opc = X86::MMX_MOVQ64rr;
+ } else {
+ assert(0 && "Unknown regclass");
+ abort();
+ }
+ BuildMI(MBB, MI, get(Opc), DestReg).addReg(SrcReg);
+}
+
bool X86InstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const;
+ virtual void copyRegToReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SrcReg,
+ const TargetRegisterClass *DestRC,
+ const TargetRegisterClass *SrcRC) const;
virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
NewMIs.push_back(MIB);
}
-void X86RegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- if (DestRC != SrcRC) {
- // Moving EFLAGS to / from another register requires a push and a pop.
- if (SrcRC == &X86::CCRRegClass) {
- assert(SrcReg == X86::EFLAGS);
- if (DestRC == &X86::GR64RegClass) {
- BuildMI(MBB, MI, TII.get(X86::PUSHFQ));
- BuildMI(MBB, MI, TII.get(X86::POP64r), DestReg);
- return;
- } else if (DestRC == &X86::GR32RegClass) {
- BuildMI(MBB, MI, TII.get(X86::PUSHFD));
- BuildMI(MBB, MI, TII.get(X86::POP32r), DestReg);
- return;
- }
- } else if (DestRC == &X86::CCRRegClass) {
- assert(DestReg == X86::EFLAGS);
- if (SrcRC == &X86::GR64RegClass) {
- BuildMI(MBB, MI, TII.get(X86::PUSH64r)).addReg(SrcReg);
- BuildMI(MBB, MI, TII.get(X86::POPFQ));
- return;
- } else if (SrcRC == &X86::GR32RegClass) {
- BuildMI(MBB, MI, TII.get(X86::PUSH32r)).addReg(SrcReg);
- BuildMI(MBB, MI, TII.get(X86::POPFD));
- return;
- }
- }
- cerr << "Not yet supported!";
- abort();
- }
-
- unsigned Opc;
- if (DestRC == &X86::GR64RegClass) {
- Opc = X86::MOV64rr;
- } else if (DestRC == &X86::GR32RegClass) {
- Opc = X86::MOV32rr;
- } else if (DestRC == &X86::GR16RegClass) {
- Opc = X86::MOV16rr;
- } else if (DestRC == &X86::GR8RegClass) {
- Opc = X86::MOV8rr;
- } else if (DestRC == &X86::GR32_RegClass) {
- Opc = X86::MOV32_rr;
- } else if (DestRC == &X86::GR16_RegClass) {
- Opc = X86::MOV16_rr;
- } else if (DestRC == &X86::RFP32RegClass) {
- Opc = X86::MOV_Fp3232;
- } else if (DestRC == &X86::RFP64RegClass || DestRC == &X86::RSTRegClass) {
- Opc = X86::MOV_Fp6464;
- } else if (DestRC == &X86::RFP80RegClass) {
- Opc = X86::MOV_Fp8080;
- } else if (DestRC == &X86::FR32RegClass) {
- Opc = X86::FsMOVAPSrr;
- } else if (DestRC == &X86::FR64RegClass) {
- Opc = X86::FsMOVAPDrr;
- } else if (DestRC == &X86::VR128RegClass) {
- Opc = X86::MOVAPSrr;
- } else if (DestRC == &X86::VR64RegClass) {
- Opc = X86::MMX_MOVQ64rr;
- } else {
- assert(0 && "Unknown regclass");
- abort();
- }
- BuildMI(MBB, MI, TII.get(Opc), DestReg).addReg(SrcReg);
-}
-
const TargetRegisterClass *
X86RegisterInfo::getCrossCopyRegClass(const TargetRegisterClass *RC) const {
if (RC == &X86::CCRRegClass)