//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Type.h"
+#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/STLExtras.h"
using namespace llvm;
void SparcRegisterInfo::
storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
- unsigned SrcReg, int FI,
+ unsigned SrcReg, bool isKill, int FI,
const TargetRegisterClass *RC) const {
// On the order of operands here: think "[FrameIdx + 0] = SrcReg".
if (RC == SP::IntRegsRegisterClass)
BuildMI(MBB, I, TII.get(SP::STri)).addFrameIndex(FI).addImm(0)
- .addReg(SrcReg);
+ .addReg(SrcReg, false, false, isKill);
else if (RC == SP::FPRegsRegisterClass)
BuildMI(MBB, I, TII.get(SP::STFri)).addFrameIndex(FI).addImm(0)
- .addReg(SrcReg);
+ .addReg(SrcReg, false, false, isKill);
else if (RC == SP::DFPRegsRegisterClass)
BuildMI(MBB, I, TII.get(SP::STDFri)).addFrameIndex(FI).addImm(0)
- .addReg(SrcReg);
+ .addReg(SrcReg, false, false, isKill);
else
assert(0 && "Can't store this register to stack slot");
}
+void SparcRegisterInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
+ bool isKill,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const {
+ unsigned Opc = 0;
+ if (RC == SP::IntRegsRegisterClass)
+ Opc = SP::STri;
+ else if (RC == SP::FPRegsRegisterClass)
+ Opc = SP::STFri;
+ else if (RC == SP::DFPRegsRegisterClass)
+ Opc = SP::STDFri;
+ else
+ assert(0 && "Can't load this register");
+ MachineInstrBuilder MIB = BuildMI(TII.get(Opc));
+ for (unsigned i = 0, e = Addr.size(); i != e; ++i) {
+ MachineOperand &MO = Addr[i];
+ if (MO.isRegister())
+ MIB.addReg(MO.getReg());
+ else if (MO.isImmediate())
+ MIB.addImm(MO.getImmedValue());
+ else
+ MIB.addFrameIndex(MO.getFrameIndex());
+ }
+ MIB.addReg(SrcReg, false, false, isKill);
+ NewMIs.push_back(MIB);
+ return;
+}
+
void SparcRegisterInfo::
loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned DestReg, int FI,
assert(0 && "Can't load this register from stack slot");
}
+void SparcRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
+ SmallVectorImpl<MachineOperand> &Addr,
+ const TargetRegisterClass *RC,
+ SmallVectorImpl<MachineInstr*> &NewMIs) const {
+ unsigned Opc = 0;
+ if (RC == SP::IntRegsRegisterClass)
+ Opc = SP::LDri;
+ else if (RC == SP::FPRegsRegisterClass)
+ Opc = SP::LDFri;
+ else if (RC == SP::DFPRegsRegisterClass)
+ Opc = SP::LDDFri;
+ else
+ assert(0 && "Can't load this register");
+ MachineInstrBuilder MIB = BuildMI(TII.get(Opc), DestReg);
+ for (unsigned i = 0, e = Addr.size(); i != e; ++i) {
+ MachineOperand &MO = Addr[i];
+ if (MO.isRegister())
+ MIB.addReg(MO.getReg());
+ else if (MO.isImmediate())
+ MIB.addImm(MO.getImmedValue());
+ else
+ MIB.addFrameIndex(MO.getFrameIndex());
+ }
+ NewMIs.push_back(MIB);
+ return;
+}
+
void SparcRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *RC) const {
- if (RC == SP::IntRegsRegisterClass)
+ 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 (RC == SP::FPRegsRegisterClass)
+ else if (DestRC == SP::FPRegsRegisterClass)
BuildMI(MBB, I, TII.get(SP::FMOVS), DestReg).addReg(SrcReg);
- else if (RC == SP::DFPRegsRegisterClass)
+ 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,
+ const MachineInstr *Orig) const {
+ MachineInstr *MI = Orig->clone();
+ MI->getOperand(0).setReg(DestReg);
+ MBB.insert(I, MI);
+}
+
MachineInstr *SparcRegisterInfo::foldMemoryOperand(MachineInstr* MI,
- unsigned OpNum,
- int FI) const {
+ SmallVectorImpl<unsigned> &Ops,
+ int FI) const {
+ if (Ops.size() != 1) return NULL;
+
+ unsigned OpNum = Ops[0];
bool isFloat = false;
MachineInstr *NewMI = NULL;
switch (MI->getOpcode()) {
return NewMI;
}
-const unsigned* SparcRegisterInfo::getCalleeSaveRegs() const {
- static const unsigned CalleeSaveRegs[] = { 0 };
- return CalleeSaveRegs;
+const unsigned* SparcRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF)
+ const {
+ static const unsigned CalleeSavedRegs[] = { 0 };
+ return CalleeSavedRegs;
+}
+
+BitVector SparcRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
+ BitVector Reserved(getNumRegs());
+ Reserved.set(SP::G2);
+ Reserved.set(SP::G3);
+ Reserved.set(SP::G4);
+ Reserved.set(SP::O6);
+ Reserved.set(SP::I6);
+ Reserved.set(SP::I7);
+ Reserved.set(SP::G0);
+ Reserved.set(SP::G5);
+ Reserved.set(SP::G6);
+ Reserved.set(SP::G7);
+ return Reserved;
}
+
const TargetRegisterClass* const*
-SparcRegisterInfo::getCalleeSaveRegClasses() const {
- static const TargetRegisterClass * const CalleeSaveRegClasses[] = { 0 };
- return CalleeSaveRegClasses;
+SparcRegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const {
+ static const TargetRegisterClass * const CalleeSavedRegClasses[] = { 0 };
+ return CalleeSavedRegClasses;
}
+bool SparcRegisterInfo::hasFP(const MachineFunction &MF) const {
+ return false;
+}
void SparcRegisterInfo::
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MBB.erase(I);
}
-void
-SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const {
+void SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
+ int SPAdj, RegScavenger *RS) const {
+ assert(SPAdj == 0 && "Unexpected");
+
unsigned i = 0;
MachineInstr &MI = *II;
while (!MI.getOperand(i).isFrameIndex()) {
return SP::G1;
}
+unsigned SparcRegisterInfo::getEHExceptionRegister() const {
+ assert(0 && "What is the exception register");
+ return 0;
+}
+
+unsigned SparcRegisterInfo::getEHHandlerRegister() const {
+ assert(0 && "What is the exception handler register");
+ return 0;
+}
+
+int SparcRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
+ assert(0 && "What is the dwarf register number");
+ return -1;
+}
+
#include "SparcGenRegisterInfo.inc"
projects / oota-llvm.git / blobdiff