}
}
+unsigned ARMRegisterInfo::getRegisterNumbering(unsigned RegEnum,
+ bool &isSPVFP) {
+ isSPVFP = false;
+
+ using namespace ARM;
+ switch (RegEnum) {
+ default:
+ assert(0 && "Unknown ARM register!");
+ abort();
+ case R0: case D0: return 0;
+ case R1: case D1: return 1;
+ case R2: case D2: return 2;
+ case R3: case D3: return 3;
+ case R4: case D4: return 4;
+ case R5: case D5: return 5;
+ case R6: case D6: return 6;
+ case R7: case D7: return 7;
+ case R8: case D8: return 8;
+ case R9: case D9: return 9;
+ case R10: case D10: return 10;
+ case R11: case D11: return 11;
+ case R12: case D12: return 12;
+ case SP: case D13: return 13;
+ case LR: case D14: return 14;
+ case PC: case D15: return 15;
+
+ case S0: case S1: case S2: case S3:
+ case S4: case S5: case S6: case S7:
+ case S8: case S9: case S10: case S11:
+ case S12: case S13: case S14: case S15:
+ case S16: case S17: case S18: case S19:
+ case S20: case S21: case S22: case S23:
+ case S24: case S25: case S26: case S27:
+ case S28: case S29: case S30: case S31: {
+ isSPVFP = true;
+ switch (RegEnum) {
+ default: return 0; // Avoid compile time warning.
+ case S0: return 0;
+ case S1: return 1;
+ case S2: return 2;
+ case S3: return 3;
+ case S4: return 4;
+ case S5: return 5;
+ case S6: return 6;
+ case S7: return 7;
+ case S8: return 8;
+ case S9: return 9;
+ case S10: return 10;
+ case S11: return 11;
+ case S12: return 12;
+ case S13: return 13;
+ case S14: return 14;
+ case S15: return 15;
+ case S16: return 16;
+ case S17: return 17;
+ case S18: return 18;
+ case S19: return 19;
+ case S20: return 20;
+ case S21: return 21;
+ case S22: return 22;
+ case S23: return 23;
+ case S24: return 24;
+ case S25: return 25;
+ case S26: return 26;
+ case S27: return 27;
+ case S28: return 28;
+ case S29: return 29;
+ case S30: return 30;
+ case S31: return 31;
+ }
+ }
+ }
+}
+
ARMRegisterInfo::ARMRegisterInfo(const TargetInstrInfo &tii,
const ARMSubtarget &sti)
: ARMGenRegisterInfo(ARM::ADJCALLSTACKDOWN, ARM::ADJCALLSTACKUP),
/// emitLoadConstPool - Emits a load from constpool to materialize the
/// specified immediate.
-static void emitLoadConstPool(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator &MBBI,
- unsigned DestReg, int Val,
- ARMCC::CondCodes Pred, unsigned PredReg,
- const TargetInstrInfo &TII, bool isThumb) {
+void ARMRegisterInfo::emitLoadConstPool(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator &MBBI,
+ unsigned DestReg, int Val,
+ unsigned Pred, unsigned PredReg,
+ const TargetInstrInfo *TII,
+ bool isThumb) const {
MachineFunction &MF = *MBB.getParent();
MachineConstantPool *ConstantPool = MF.getConstantPool();
Constant *C = ConstantInt::get(Type::Int32Ty, Val);
unsigned Idx = ConstantPool->getConstantPoolIndex(C, 2);
if (isThumb)
- BuildMI(MBB, MBBI, TII.get(ARM::tLDRcp), DestReg).addConstantPoolIndex(Idx);
+ BuildMI(MBB, MBBI, TII->get(ARM::tLDRcp),DestReg).addConstantPoolIndex(Idx);
else
- BuildMI(MBB, MBBI, TII.get(ARM::LDRcp), DestReg).addConstantPoolIndex(Idx)
- .addReg(0).addImm(0).addImm((unsigned)Pred).addReg(PredReg);
+ BuildMI(MBB, MBBI, TII->get(ARM::LDRcp), DestReg).addConstantPoolIndex(Idx)
+ .addReg(0).addImm(0).addImm(Pred).addReg(PredReg);
}
-void ARMRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg,
- const MachineInstr *Orig) const {
- if (Orig->getOpcode() == ARM::MOVi2pieces) {
- emitLoadConstPool(MBB, I, DestReg,
- Orig->getOperand(1).getImm(),
- (ARMCC::CondCodes)Orig->getOperand(2).getImm(),
- Orig->getOperand(3).getReg(),
- TII, false);
- return;
- }
-
- MachineInstr *MI = Orig->clone();
- MI->getOperand(0).setReg(DestReg);
- MBB.insert(I, MI);
+const TargetRegisterClass *ARMRegisterInfo::getPointerRegClass() const {
+ return &ARM::GPRRegClass;
}
/// isLowRegister - Returns true if the register is low register r0-r7.
/// or if frame pointer elimination is disabled.
///
bool ARMRegisterInfo::hasFP(const MachineFunction &MF) const {
- return NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects();
+ const MachineFrameInfo *MFI = MF.getFrameInfo();
+ return NoFramePointerElim || MFI->hasVarSizedObjects();
}
// hasReservedCallFrame - Under normal circumstances, when a frame pointer is
BuildMI(MBB, MBBI, TII.get(ARM::tNEG), LdReg)
.addReg(LdReg, false, false, true);
} else
- emitLoadConstPool(MBB, MBBI, LdReg, NumBytes, ARMCC::AL, 0, TII, true);
+ MRI.emitLoadConstPool(MBB, MBBI, LdReg, NumBytes, ARMCC::AL, 0,&TII,true);
// Emit add / sub.
int Opc = (isSub) ? ARM::tSUBrr : (isHigh ? ARM::tADDhirr : ARM::tADDrr);
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
bool isThumb = AFI->isThumbFunction();
- while (!MI.getOperand(i).isFrameIndex()) {
+ while (!MI.getOperand(i).isFI()) {
++i;
assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
}
assert(Offset && "This code isn't needed if offset already handled!");
if (isThumb) {
- if (Desc.isSimpleLoad()) {
+ if (Desc.mayLoad()) {
// Use the destination register to materialize sp + offset.
unsigned TmpReg = MI.getOperand(0).getReg();
bool UseRR = false;
emitThumbRegPlusImmInReg(MBB, II, TmpReg, FrameReg,
Offset, false, TII, *this);
else {
- emitLoadConstPool(MBB, II, TmpReg, Offset, ARMCC::AL, 0, TII, true);
+ emitLoadConstPool(MBB, II, TmpReg, Offset, ARMCC::AL, 0, &TII, true);
UseRR = true;
}
} else
emitThumbRegPlusImmInReg(MBB, II, TmpReg, FrameReg,
Offset, false, TII, *this);
else {
- emitLoadConstPool(MBB, II, TmpReg, Offset, ARMCC::AL, 0, TII, true);
+ emitLoadConstPool(MBB, II, TmpReg, Offset, ARMCC::AL, 0, &TII, true);
UseRR = true;
}
} else
if (FixedOff > Offset) Offset = FixedOff;
}
for (unsigned i = 0, e = FFI->getObjectIndexEnd(); i != e; ++i) {
+ if (FFI->isDeadObjectIndex(i))
+ continue;
Offset += FFI->getObjectSize(i);
unsigned Align = FFI->getObjectAlignment(i);
// Adjust to alignment boundary
bool ForceLRSpill = false;
if (!LRSpilled && AFI->isThumbFunction()) {
- unsigned FnSize = ARM::GetFunctionSize(MF);
+ unsigned FnSize = TII.GetFunctionSizeInBytes(MF);
// Force LR to be spilled if the Thumb function size is > 2048. This enables
// use of BL to implement far jump. If it turns out that it's not needed
// then the branch fix up path will undo it.
for (MachineFunction::iterator BB = MF.begin(),E = MF.end();BB != E; ++BB)
for (MachineBasicBlock::iterator I= BB->begin(); I != BB->end(); ++I) {
for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
- if (I->getOperand(i).isFrameIndex()) {
+ if (I->getOperand(i).isFI()) {
unsigned Opcode = I->getOpcode();
const TargetInstrDesc &Desc = TII.get(Opcode);
unsigned AddrMode = (Desc.TSFlags & ARMII::AddrModeMask);
int Opc, unsigned Area,
const ARMSubtarget &STI) {
while (MBBI != MBB.end() &&
- MBBI->getOpcode() == Opc && MBBI->getOperand(1).isFrameIndex()) {
+ MBBI->getOpcode() == Opc && MBBI->getOperand(1).isFI()) {
if (Area != 0) {
bool Done = false;
unsigned Category = 0;
return ((MI->getOpcode() == ARM::FLDD ||
MI->getOpcode() == ARM::LDR ||
MI->getOpcode() == ARM::tRestore) &&
- MI->getOperand(1).isFrameIndex() &&
+ MI->getOperand(1).isFI() &&
isCalleeSavedRegister(MI->getOperand(0).getReg(), CSRegs));
}
}
int ARMRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
- assert(0 && "What is the dwarf register number");
- return -1;
+ return ARMGenRegisterInfo::getDwarfRegNumFull(RegNum, 0);
}
#include "ARMGenRegisterInfo.inc"
-
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