#define DEBUG_TYPE "jit"
#include "ARM.h"
-#include "ARMAddressingModes.h"
#include "ARMConstantPoolValue.h"
-#include "ARMInstrInfo.h"
+#include "ARMBaseInstrInfo.h"
#include "ARMRelocations.h"
#include "ARMSubtarget.h"
#include "ARMTargetMachine.h"
+#include "MCTargetDesc/ARMAddressingModes.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
class ARMCodeEmitter : public MachineFunctionPass {
ARMJITInfo *JTI;
- const ARMInstrInfo *II;
- const TargetData *TD;
+ const ARMBaseInstrInfo *II;
+ const DataLayout *TD;
const ARMSubtarget *Subtarget;
TargetMachine &TM;
JITCodeEmitter &MCE;
public:
ARMCodeEmitter(TargetMachine &tm, JITCodeEmitter &mce)
: MachineFunctionPass(ID), JTI(0),
- II((const ARMInstrInfo *)tm.getInstrInfo()),
- TD(tm.getTargetData()), TM(tm),
+ II((const ARMBaseInstrInfo *)tm.getInstrInfo()),
+ TD(tm.getDataLayout()), TM(tm),
MCE(mce), MCPEs(0), MJTEs(0),
IsPIC(TM.getRelocationModel() == Reloc::PIC_), IsThumb(false) {}
/// getBinaryCodeForInstr - This function, generated by the
/// CodeEmitterGenerator using TableGen, produces the binary encoding for
/// machine instructions.
- unsigned getBinaryCodeForInstr(const MachineInstr &MI) const;
+ uint64_t getBinaryCodeForInstr(const MachineInstr &MI) const;
bool runOnMachineFunction(MachineFunction &MF);
void addPCLabel(unsigned LabelID);
void emitPseudoInstruction(const MachineInstr &MI);
unsigned getMachineSoRegOpValue(const MachineInstr &MI,
- const TargetInstrDesc &TID,
+ const MCInstrDesc &MCID,
const MachineOperand &MO,
unsigned OpIdx);
unsigned getMachineSoImmOpValue(unsigned SoImm);
unsigned getAddrModeSBit(const MachineInstr &MI,
- const TargetInstrDesc &TID) const;
+ const MCInstrDesc &MCID) const;
void emitDataProcessingInstruction(const MachineInstr &MI,
unsigned ImplicitRd = 0,
// are already handled elsewhere. They are placeholders to allow this
// encoder to continue to function until the MC encoder is sufficiently
// far along that this one can be eliminated entirely.
- unsigned NEONThumb2DataIPostEncoder(const MachineInstr &MI, unsigned Val)
+ unsigned NEONThumb2DataIPostEncoder(const MachineInstr &MI, unsigned Val)
const { return 0; }
- unsigned NEONThumb2LoadStorePostEncoder(const MachineInstr &MI,unsigned Val)
+ unsigned NEONThumb2LoadStorePostEncoder(const MachineInstr &MI,unsigned Val)
const { return 0; }
- unsigned NEONThumb2DupPostEncoder(const MachineInstr &MI,unsigned Val)
+ unsigned NEONThumb2DupPostEncoder(const MachineInstr &MI,unsigned Val)
const { return 0; }
unsigned VFPThumb2PostEncoder(const MachineInstr&MI, unsigned Val)
const { return 0; }
unsigned Op) const { return 0; }
unsigned getARMBranchTargetOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
+ unsigned getARMBLTargetOpValue(const MachineInstr &MI, unsigned Op)
+ const { return 0; }
+ unsigned getARMBLXTargetOpValue(const MachineInstr &MI, unsigned Op)
+ const { return 0; }
unsigned getCCOutOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getSOImmOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getT2SOImmOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
- unsigned getSORegOpValue(const MachineInstr &MI, unsigned Op)
+ unsigned getSORegRegOpValue(const MachineInstr &MI, unsigned Op)
+ const { return 0; }
+ unsigned getSORegImmOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getThumbAddrModeRegRegOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
const { return 0; }
unsigned getT2AddrModeImm8OpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
+ unsigned getT2Imm8s4OpValue(const MachineInstr &MI, unsigned Op)
+ const { return 0; }
unsigned getT2AddrModeImm8s4OpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
+ unsigned getT2AddrModeImm0_1020s4OpValue(const MachineInstr &MI,unsigned Op)
+ const { return 0; }
unsigned getT2AddrModeImm8OffsetOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getT2AddrModeImm12OffsetOpValue(const MachineInstr &MI,unsigned Op)
const { return 0; }
unsigned getT2SORegOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
- unsigned getRotImmOpValue(const MachineInstr &MI, unsigned Op)
- const { return 0; }
- unsigned getImmMinusOneOpValue(const MachineInstr &MI, unsigned Op)
- const { return 0; }
unsigned getT2AdrLabelOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getAddrMode6AddressOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
+ unsigned getAddrMode6OneLane32AddressOpValue(const MachineInstr &MI,
+ unsigned Op)
+ const { return 0; }
unsigned getAddrMode6DupAddressOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getAddrMode6OffsetOpValue(const MachineInstr &MI, unsigned Op)
const { return 0; }
unsigned getBitfieldInvertedMaskOpValue(const MachineInstr &MI,
unsigned Op) const { return 0; }
- unsigned getMsbOpValue(const MachineInstr &MI,
- unsigned Op) const { return 0; }
+ unsigned getSsatBitPosValue(const MachineInstr &MI,
+ unsigned Op) const { return 0; }
uint32_t getLdStmModeOpValue(const MachineInstr &MI, unsigned OpIdx)
const {return 0; }
uint32_t getLdStSORegOpValue(const MachineInstr &MI, unsigned OpIdx)
emitConstPoolAddress(MO.getIndex(), ARM::reloc_arm_cp_entry);
return 0;
}
- unsigned Reg = getARMRegisterNumbering(MO.getReg());
+ unsigned Reg = II->getRegisterInfo().getEncodingValue(MO.getReg());
int32_t Imm12 = MO1.getImm();
uint32_t Binary;
Binary = Imm12 & 0xfff;
const { return 0;}
uint32_t getAddrMode2OffsetOpValue(const MachineInstr &MI, unsigned OpIdx)
const { return 0;}
+ uint32_t getPostIdxRegOpValue(const MachineInstr &MI, unsigned OpIdx)
+ const { return 0;}
uint32_t getAddrMode3OffsetOpValue(const MachineInstr &MI, unsigned OpIdx)
const { return 0;}
uint32_t getAddrMode3OpValue(const MachineInstr &MI, unsigned Op)
emitConstPoolAddress(MO.getIndex(), ARM::reloc_arm_cp_entry);
return 0;
}
- unsigned Reg = getARMRegisterNumbering(MO.getReg());
+ unsigned Reg = II->getRegisterInfo().getEncodingValue(MO.getReg());
int32_t Imm12 = MO1.getImm();
// Special value for #-0
void emitJumpTableAddress(unsigned JTIndex, unsigned Reloc) const;
void emitMachineBasicBlock(MachineBasicBlock *BB, unsigned Reloc,
intptr_t JTBase = 0) const;
+ unsigned encodeVFPRd(const MachineInstr &MI, unsigned OpIdx) const;
+ unsigned encodeVFPRn(const MachineInstr &MI, unsigned OpIdx) const;
+ unsigned encodeVFPRm(const MachineInstr &MI, unsigned OpIdx) const;
+ unsigned encodeNEONRd(const MachineInstr &MI, unsigned OpIdx) const;
+ unsigned encodeNEONRn(const MachineInstr &MI, unsigned OpIdx) const;
+ unsigned encodeNEONRm(const MachineInstr &MI, unsigned OpIdx) const;
};
}
assert((MF.getTarget().getRelocationModel() != Reloc::Default ||
MF.getTarget().getRelocationModel() != Reloc::Static) &&
"JIT relocation model must be set to static or default!");
- JTI = ((ARMTargetMachine &)MF.getTarget()).getJITInfo();
- II = ((const ARMTargetMachine &)MF.getTarget()).getInstrInfo();
- TD = ((const ARMTargetMachine &)MF.getTarget()).getTargetData();
+ JTI = ((ARMBaseTargetMachine &)MF.getTarget()).getJITInfo();
+ II = (const ARMBaseInstrInfo *)MF.getTarget().getInstrInfo();
+ TD = MF.getTarget().getDataLayout();
Subtarget = &TM.getSubtarget<ARMSubtarget>();
MCPEs = &MF.getConstantPool()->getConstants();
MJTEs = 0;
do {
DEBUG(errs() << "JITTing function '"
- << MF.getFunction()->getName() << "'\n");
+ << MF.getName() << "'\n");
MCE.startFunction(MF);
for (MachineFunction::iterator MBB = MF.begin(), E = MF.end();
MBB != E; ++MBB) {
MCE.StartMachineBasicBlock(MBB);
- for (MachineBasicBlock::const_iterator I = MBB->begin(), E = MBB->end();
+ for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end();
I != E; ++I)
emitInstruction(*I);
}
case ARM_AM::ror:
case ARM_AM::rrx: return 3;
}
- return 0;
}
/// getMovi32Value - Return binary encoding of operand for movw/movt. If the
unsigned ARMCodeEmitter::getMachineOpValue(const MachineInstr &MI,
const MachineOperand &MO) const {
if (MO.isReg())
- return getARMRegisterNumbering(MO.getReg());
+ return II->getRegisterInfo().getEncodingValue(MO.getReg());
else if (MO.isImm())
return static_cast<unsigned>(MO.getImm());
else if (MO.isGlobal())
else if (MO.isSymbol())
emitExternalSymbolAddress(MO.getSymbolName(), ARM::reloc_arm_branch);
else if (MO.isCPI()) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// For VFP load, the immediate offset is multiplied by 4.
- unsigned Reloc = ((TID.TSFlags & ARMII::FormMask) == ARMII::VFPLdStFrm)
+ unsigned Reloc = ((MCID.TSFlags & ARMII::FormMask) == ARMII::VFPLdStFrm)
? ARM::reloc_arm_vfp_cp_entry : ARM::reloc_arm_cp_entry;
emitConstPoolAddress(MO.getIndex(), Reloc);
} else if (MO.isJTI())
switch (MI.getDesc().TSFlags & ARMII::FormMask) {
default: {
llvm_unreachable("Unhandled instruction encoding format!");
- break;
}
case ARMII::MiscFrm:
if (MI.getOpcode() == ARM::LEApcrelJT) {
break;
}
llvm_unreachable("Unhandled instruction encoding!");
- break;
case ARMII::Pseudo:
emitPseudoInstruction(MI);
break;
<< (void*)MCE.getCurrentPCValue() << " " << *ACPV << '\n');
assert(ACPV->isGlobalValue() && "unsupported constant pool value");
- const GlobalValue *GV = ACPV->getGV();
+ const GlobalValue *GV = cast<ARMConstantPoolConstant>(ACPV)->getGV();
if (GV) {
Reloc::Model RelocM = TM.getRelocationModel();
emitGlobalAddress(GV, ARM::reloc_arm_machine_cp_entry,
isa<Function>(GV),
Subtarget->GVIsIndirectSymbol(GV, RelocM),
(intptr_t)ACPV);
- } else {
- emitExternalSymbolAddress(ACPV->getSymbol(), ARM::reloc_arm_absolute);
+ } else {
+ const char *Sym = cast<ARMConstantPoolSymbol>(ACPV)->getSymbol();
+ emitExternalSymbolAddress(Sym, ARM::reloc_arm_absolute);
}
emitWordLE(0);
} else {
void ARMCodeEmitter::emitLEApcrelJTInstruction(const MachineInstr &MI) {
// It's basically add r, pc, (LJTI - $+8)
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Emit the 'add' instruction.
unsigned Binary = 0x4 << 21; // add: Insts{24-21} = 0b0100
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
// Encode S bit if MI modifies CPSR.
- Binary |= getAddrModeSBit(MI, TID);
+ Binary |= getAddrModeSBit(MI, MCID);
// Encode Rd.
Binary |= getMachineOpValue(MI, 0) << ARMII::RegRdShift;
// Encode Rn which is PC.
- Binary |= getARMRegisterNumbering(ARM::PC) << ARMII::RegRnShift;
+ Binary |= II->getRegisterInfo().getEncodingValue(ARM::PC) << ARMII::RegRnShift;
// Encode the displacement.
Binary |= 1 << ARMII::I_BitShift;
default:
llvm_unreachable("ARMCodeEmitter::emitPseudoInstruction");
case ARM::BX_CALL:
- case ARM::BMOVPCRX_CALL:
- case ARM::BXr9_CALL:
- case ARM::BMOVPCRXr9_CALL: {
+ case ARM::BMOVPCRX_CALL: {
// First emit mov lr, pc
unsigned Binary = 0x01a0e00f;
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
}
unsigned ARMCodeEmitter::getMachineSoRegOpValue(const MachineInstr &MI,
- const TargetInstrDesc &TID,
+ const MCInstrDesc &MCID,
const MachineOperand &MO,
unsigned OpIdx) {
unsigned Binary = getMachineOpValue(MI, MO);
if (Rs) {
// Encode Rs bit[11:8].
assert(ARM_AM::getSORegOffset(MO2.getImm()) == 0);
- return Binary | (getARMRegisterNumbering(Rs) << ARMII::RegRsShift);
+ return Binary | (II->getRegisterInfo().getEncodingValue(Rs) << ARMII::RegRsShift);
}
// Encode shift_imm bit[11:7].
}
unsigned ARMCodeEmitter::getAddrModeSBit(const MachineInstr &MI,
- const TargetInstrDesc &TID) const {
- for (unsigned i = MI.getNumOperands(), e = TID.getNumOperands(); i >= e; --i){
+ const MCInstrDesc &MCID) const {
+ for (unsigned i = MI.getNumOperands(), e = MCID.getNumOperands(); i >= e;--i){
const MachineOperand &MO = MI.getOperand(i-1);
if (MO.isReg() && MO.isDef() && MO.getReg() == ARM::CPSR)
return 1 << ARMII::S_BitShift;
void ARMCodeEmitter::emitDataProcessingInstruction(const MachineInstr &MI,
unsigned ImplicitRd,
unsigned ImplicitRn) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
// Encode S bit if MI modifies CPSR.
- Binary |= getAddrModeSBit(MI, TID);
+ Binary |= getAddrModeSBit(MI, MCID);
// Encode register def if there is one.
- unsigned NumDefs = TID.getNumDefs();
+ unsigned NumDefs = MCID.getNumDefs();
unsigned OpIdx = 0;
if (NumDefs)
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRdShift;
else if (ImplicitRd)
// Special handling for implicit use (e.g. PC).
- Binary |= (getARMRegisterNumbering(ImplicitRd) << ARMII::RegRdShift);
+ Binary |= (II->getRegisterInfo().getEncodingValue(ImplicitRd) << ARMII::RegRdShift);
- if (TID.Opcode == ARM::MOVi16) {
+ if (MCID.Opcode == ARM::MOVi16) {
// Get immediate from MI.
unsigned Lo16 = getMovi32Value(MI, MI.getOperand(OpIdx),
ARM::reloc_arm_movw);
Binary |= ((Lo16 >> 12) & 0xF) << 16;
emitWordLE(Binary);
return;
- } else if(TID.Opcode == ARM::MOVTi16) {
+ } else if(MCID.Opcode == ARM::MOVTi16) {
unsigned Hi16 = (getMovi32Value(MI, MI.getOperand(OpIdx),
ARM::reloc_arm_movt) >> 16);
Binary |= Hi16 & 0xFFF;
Binary |= ((Hi16 >> 12) & 0xF) << 16;
emitWordLE(Binary);
return;
- } else if ((TID.Opcode == ARM::BFC) || (TID.Opcode == ARM::BFI)) {
+ } else if ((MCID.Opcode == ARM::BFC) || (MCID.Opcode == ARM::BFI)) {
uint32_t v = ~MI.getOperand(2).getImm();
int32_t lsb = CountTrailingZeros_32(v);
int32_t msb = (32 - CountLeadingZeros_32(v)) - 1;
Binary |= (lsb & 0x1F) << 7;
emitWordLE(Binary);
return;
- } else if ((TID.Opcode == ARM::UBFX) || (TID.Opcode == ARM::SBFX)) {
+ } else if ((MCID.Opcode == ARM::UBFX) || (MCID.Opcode == ARM::SBFX)) {
// Encode Rn in Instr{0-3}
Binary |= getMachineOpValue(MI, OpIdx++);
}
// If this is a two-address operand, skip it. e.g. MOVCCr operand 1.
- if (TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
// Encode first non-shifter register operand if there is one.
- bool isUnary = TID.TSFlags & ARMII::UnaryDP;
+ bool isUnary = MCID.TSFlags & ARMII::UnaryDP;
if (!isUnary) {
if (ImplicitRn)
// Special handling for implicit use (e.g. PC).
- Binary |= (getARMRegisterNumbering(ImplicitRn) << ARMII::RegRnShift);
+ Binary |= (II->getRegisterInfo().getEncodingValue(ImplicitRn) << ARMII::RegRnShift);
else {
Binary |= getMachineOpValue(MI, OpIdx) << ARMII::RegRnShift;
++OpIdx;
// Encode shifter operand.
const MachineOperand &MO = MI.getOperand(OpIdx);
- if ((TID.TSFlags & ARMII::FormMask) == ARMII::DPSoRegFrm) {
+ if ((MCID.TSFlags & ARMII::FormMask) == ARMII::DPSoRegFrm) {
// Encode SoReg.
- emitWordLE(Binary | getMachineSoRegOpValue(MI, TID, MO, OpIdx));
+ emitWordLE(Binary | getMachineSoRegOpValue(MI, MCID, MO, OpIdx));
return;
}
if (MO.isReg()) {
// Encode register Rm.
- emitWordLE(Binary | getARMRegisterNumbering(MO.getReg()));
+ emitWordLE(Binary | II->getRegisterInfo().getEncodingValue(MO.getReg()));
return;
}
void ARMCodeEmitter::emitLoadStoreInstruction(const MachineInstr &MI,
unsigned ImplicitRd,
unsigned ImplicitRn) {
- const TargetInstrDesc &TID = MI.getDesc();
- unsigned Form = TID.TSFlags & ARMII::FormMask;
- bool IsPrePost = (TID.TSFlags & ARMII::IndexModeMask) != 0;
+ const MCInstrDesc &MCID = MI.getDesc();
+ unsigned Form = MCID.TSFlags & ARMII::FormMask;
+ bool IsPrePost = (MCID.TSFlags & ARMII::IndexModeMask) != 0;
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
// Set first operand
if (ImplicitRd)
// Special handling for implicit use (e.g. PC).
- Binary |= (getARMRegisterNumbering(ImplicitRd) << ARMII::RegRdShift);
+ Binary |= (II->getRegisterInfo().getEncodingValue(ImplicitRd) << ARMII::RegRdShift);
else
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRdShift;
// Set second operand
if (ImplicitRn)
// Special handling for implicit use (e.g. PC).
- Binary |= (getARMRegisterNumbering(ImplicitRn) << ARMII::RegRnShift);
+ Binary |= (II->getRegisterInfo().getEncodingValue(ImplicitRn) << ARMII::RegRnShift);
else
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRnShift;
// If this is a two-address operand, skip it. e.g. LDR_PRE.
- if (!Skipped && TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (!Skipped && MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
const MachineOperand &MO2 = MI.getOperand(OpIdx);
Binary |= 1 << ARMII::I_BitShift;
assert(TargetRegisterInfo::isPhysicalRegister(MO2.getReg()));
// Set bit[3:0] to the corresponding Rm register
- Binary |= getARMRegisterNumbering(MO2.getReg());
+ Binary |= II->getRegisterInfo().getEncodingValue(MO2.getReg());
// If this instr is in scaled register offset/index instruction, set
// shift_immed(bit[11:7]) and shift(bit[6:5]) fields.
void ARMCodeEmitter::emitMiscLoadStoreInstruction(const MachineInstr &MI,
unsigned ImplicitRn) {
- const TargetInstrDesc &TID = MI.getDesc();
- unsigned Form = TID.TSFlags & ARMII::FormMask;
- bool IsPrePost = (TID.TSFlags & ARMII::IndexModeMask) != 0;
+ const MCInstrDesc &MCID = MI.getDesc();
+ unsigned Form = MCID.TSFlags & ARMII::FormMask;
+ bool IsPrePost = (MCID.TSFlags & ARMII::IndexModeMask) != 0;
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRdShift;
// Skip LDRD and STRD's second operand.
- if (TID.Opcode == ARM::LDRD || TID.Opcode == ARM::STRD)
+ if (MCID.Opcode == ARM::LDRD || MCID.Opcode == ARM::STRD)
++OpIdx;
// Set second operand
if (ImplicitRn)
// Special handling for implicit use (e.g. PC).
- Binary |= (getARMRegisterNumbering(ImplicitRn) << ARMII::RegRnShift);
+ Binary |= (II->getRegisterInfo().getEncodingValue(ImplicitRn) << ARMII::RegRnShift);
else
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRnShift;
// If this is a two-address operand, skip it. e.g. LDRH_POST.
- if (!Skipped && TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (!Skipped && MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
const MachineOperand &MO2 = MI.getOperand(OpIdx);
// If this instr is in register offset/index encoding, set bit[3:0]
// to the corresponding Rm register.
if (MO2.getReg()) {
- Binary |= getARMRegisterNumbering(MO2.getReg());
+ Binary |= II->getRegisterInfo().getEncodingValue(MO2.getReg());
emitWordLE(Binary);
return;
}
}
void ARMCodeEmitter::emitLoadStoreMultipleInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
- bool IsUpdating = (TID.TSFlags & ARMII::IndexModeMask) != 0;
+ const MCInstrDesc &MCID = MI.getDesc();
+ bool IsUpdating = (MCID.TSFlags & ARMII::IndexModeMask) != 0;
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
const MachineOperand &MO = MI.getOperand(i);
if (!MO.isReg() || MO.isImplicit())
break;
- unsigned RegNum = getARMRegisterNumbering(MO.getReg());
+ unsigned RegNum = II->getRegisterInfo().getEncodingValue(MO.getReg());
assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
RegNum < 16);
Binary |= 0x1 << RegNum;
}
void ARMCodeEmitter::emitMulFrmInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
// Encode S bit if MI modifies CPSR.
- Binary |= getAddrModeSBit(MI, TID);
+ Binary |= getAddrModeSBit(MI, MCID);
// 32x32->64bit operations have two destination registers. The number
// of register definitions will tell us if that's what we're dealing with.
unsigned OpIdx = 0;
- if (TID.getNumDefs() == 2)
+ if (MCID.getNumDefs() == 2)
Binary |= getMachineOpValue (MI, OpIdx++) << ARMII::RegRdLoShift;
// Encode Rd
// Many multiple instructions (e.g. MLA) have three src operands. Encode
// it as Rn (for multiply, that's in the same offset as RdLo.
- if (TID.getNumOperands() > OpIdx &&
- !TID.OpInfo[OpIdx].isPredicate() &&
- !TID.OpInfo[OpIdx].isOptionalDef())
+ if (MCID.getNumOperands() > OpIdx &&
+ !MCID.OpInfo[OpIdx].isPredicate() &&
+ !MCID.OpInfo[OpIdx].isOptionalDef())
Binary |= getMachineOpValue(MI, OpIdx) << ARMII::RegRdLoShift;
emitWordLE(Binary);
}
void ARMCodeEmitter::emitExtendInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
// Encode rot imm (0, 8, 16, or 24) if it has a rotate immediate operand.
if (MI.getOperand(OpIdx).isImm() &&
- !TID.OpInfo[OpIdx].isPredicate() &&
- !TID.OpInfo[OpIdx].isOptionalDef())
+ !MCID.OpInfo[OpIdx].isPredicate() &&
+ !MCID.OpInfo[OpIdx].isOptionalDef())
Binary |= (getMachineOpValue(MI, OpIdx) / 8) << ARMII::ExtRotImmShift;
emitWordLE(Binary);
}
void ARMCodeEmitter::emitMiscArithInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
// Set the conditional execution predicate
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
+ // PKH instructions are finished at this point
+ if (MCID.Opcode == ARM::PKHBT || MCID.Opcode == ARM::PKHTB) {
+ emitWordLE(Binary);
+ return;
+ }
+
unsigned OpIdx = 0;
// Encode Rd
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRdShift;
const MachineOperand &MO = MI.getOperand(OpIdx++);
- if (OpIdx == TID.getNumOperands() ||
- TID.OpInfo[OpIdx].isPredicate() ||
- TID.OpInfo[OpIdx].isOptionalDef()) {
+ if (OpIdx == MCID.getNumOperands() ||
+ MCID.OpInfo[OpIdx].isPredicate() ||
+ MCID.OpInfo[OpIdx].isOptionalDef()) {
// Encode Rm and it's done.
Binary |= getMachineOpValue(MI, MO);
emitWordLE(Binary);
// Encode shift_imm.
unsigned ShiftAmt = MI.getOperand(OpIdx).getImm();
- if (TID.Opcode == ARM::PKHTB) {
+ if (MCID.Opcode == ARM::PKHTB) {
assert(ShiftAmt != 0 && "PKHTB shift_imm is 0!");
if (ShiftAmt == 32)
ShiftAmt = 0;
}
void ARMCodeEmitter::emitSaturateInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Part of binary is determined by TableGen.
unsigned Binary = getBinaryCodeForInstr(MI);
// Encode saturate bit position.
unsigned Pos = MI.getOperand(1).getImm();
- if (TID.Opcode == ARM::SSAT || TID.Opcode == ARM::SSAT16)
+ if (MCID.Opcode == ARM::SSAT || MCID.Opcode == ARM::SSAT16)
Pos -= 1;
assert((Pos < 16 || (Pos < 32 &&
- TID.Opcode != ARM::SSAT16 &&
- TID.Opcode != ARM::USAT16)) &&
+ MCID.Opcode != ARM::SSAT16 &&
+ MCID.Opcode != ARM::USAT16)) &&
"saturate bit position out of range");
Binary |= Pos << 16;
Binary |= getMachineOpValue(MI, 2);
// Encode shift_imm.
- if (TID.getNumOperands() == 4) {
+ if (MCID.getNumOperands() == 4) {
unsigned ShiftOp = MI.getOperand(3).getImm();
ARM_AM::ShiftOpc Opc = ARM_AM::getSORegShOp(ShiftOp);
if (Opc == ARM_AM::asr)
}
void ARMCodeEmitter::emitBranchInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
- if (TID.Opcode == ARM::TPsoft) {
+ if (MCID.Opcode == ARM::TPsoft) {
llvm_unreachable("ARM::TPsoft FIXME"); // FIXME
}
}
void ARMCodeEmitter::emitMiscBranchInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Handle jump tables.
- if (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::BR_JTadd) {
+ if (MCID.Opcode == ARM::BR_JTr || MCID.Opcode == ARM::BR_JTadd) {
// First emit a ldr pc, [] instruction.
emitDataProcessingInstruction(MI, ARM::PC);
// Then emit the inline jump table.
unsigned JTIndex =
- (TID.Opcode == ARM::BR_JTr)
+ (MCID.Opcode == ARM::BR_JTr)
? MI.getOperand(1).getIndex() : MI.getOperand(2).getIndex();
emitInlineJumpTable(JTIndex);
return;
- } else if (TID.Opcode == ARM::BR_JTm) {
+ } else if (MCID.Opcode == ARM::BR_JTm) {
// First emit a ldr pc, [] instruction.
emitLoadStoreInstruction(MI, ARM::PC);
// Set the conditional execution predicate
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
- if (TID.Opcode == ARM::BX_RET || TID.Opcode == ARM::MOVPCLR)
+ if (MCID.Opcode == ARM::BX_RET || MCID.Opcode == ARM::MOVPCLR)
// The return register is LR.
- Binary |= getARMRegisterNumbering(ARM::LR);
+ Binary |= II->getRegisterInfo().getEncodingValue(ARM::LR);
else
// otherwise, set the return register
Binary |= getMachineOpValue(MI, 0);
emitWordLE(Binary);
}
-static unsigned encodeVFPRd(const MachineInstr &MI, unsigned OpIdx) {
+unsigned ARMCodeEmitter::encodeVFPRd(const MachineInstr &MI,
+ unsigned OpIdx) const {
unsigned RegD = MI.getOperand(OpIdx).getReg();
unsigned Binary = 0;
- bool isSPVFP = ARM::SPRRegisterClass->contains(RegD);
- RegD = getARMRegisterNumbering(RegD);
+ bool isSPVFP = ARM::SPRRegClass.contains(RegD);
+ RegD = II->getRegisterInfo().getEncodingValue(RegD);
if (!isSPVFP)
Binary |= RegD << ARMII::RegRdShift;
else {
return Binary;
}
-static unsigned encodeVFPRn(const MachineInstr &MI, unsigned OpIdx) {
+unsigned ARMCodeEmitter::encodeVFPRn(const MachineInstr &MI,
+ unsigned OpIdx) const {
unsigned RegN = MI.getOperand(OpIdx).getReg();
unsigned Binary = 0;
- bool isSPVFP = ARM::SPRRegisterClass->contains(RegN);
- RegN = getARMRegisterNumbering(RegN);
+ bool isSPVFP = ARM::SPRRegClass.contains(RegN);
+ RegN = II->getRegisterInfo().getEncodingValue(RegN);
if (!isSPVFP)
Binary |= RegN << ARMII::RegRnShift;
else {
return Binary;
}
-static unsigned encodeVFPRm(const MachineInstr &MI, unsigned OpIdx) {
+unsigned ARMCodeEmitter::encodeVFPRm(const MachineInstr &MI,
+ unsigned OpIdx) const {
unsigned RegM = MI.getOperand(OpIdx).getReg();
unsigned Binary = 0;
- bool isSPVFP = ARM::SPRRegisterClass->contains(RegM);
- RegM = getARMRegisterNumbering(RegM);
+ bool isSPVFP = ARM::SPRRegClass.contains(RegM);
+ RegM = II->getRegisterInfo().getEncodingValue(RegM);
if (!isSPVFP)
Binary |= RegM;
else {
}
void ARMCodeEmitter::emitVFPArithInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
Binary |= encodeVFPRd(MI, OpIdx++);
// If this is a two-address operand, skip it, e.g. FMACD.
- if (TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
// Encode Dn / Sn.
- if ((TID.TSFlags & ARMII::FormMask) == ARMII::VFPBinaryFrm)
+ if ((MCID.TSFlags & ARMII::FormMask) == ARMII::VFPBinaryFrm)
Binary |= encodeVFPRn(MI, OpIdx++);
- if (OpIdx == TID.getNumOperands() ||
- TID.OpInfo[OpIdx].isPredicate() ||
- TID.OpInfo[OpIdx].isOptionalDef()) {
+ if (OpIdx == MCID.getNumOperands() ||
+ MCID.OpInfo[OpIdx].isPredicate() ||
+ MCID.OpInfo[OpIdx].isOptionalDef()) {
// FCMPEZD etc. has only one operand.
emitWordLE(Binary);
return;
}
void ARMCodeEmitter::emitVFPConversionInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
- unsigned Form = TID.TSFlags & ARMII::FormMask;
+ const MCInstrDesc &MCID = MI.getDesc();
+ unsigned Form = MCID.TSFlags & ARMII::FormMask;
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
void
ARMCodeEmitter::emitVFPLoadStoreMultipleInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
- bool IsUpdating = (TID.TSFlags & ARMII::IndexModeMask) != 0;
+ const MCInstrDesc &MCID = MI.getDesc();
+ bool IsUpdating = (MCID.TSFlags & ARMII::IndexModeMask) != 0;
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
emitWordLE(Binary);
}
-static unsigned encodeNEONRd(const MachineInstr &MI, unsigned OpIdx) {
+unsigned ARMCodeEmitter::encodeNEONRd(const MachineInstr &MI,
+ unsigned OpIdx) const {
unsigned RegD = MI.getOperand(OpIdx).getReg();
unsigned Binary = 0;
- RegD = getARMRegisterNumbering(RegD);
+ RegD = II->getRegisterInfo().getEncodingValue(RegD);
Binary |= (RegD & 0xf) << ARMII::RegRdShift;
Binary |= ((RegD >> 4) & 1) << ARMII::D_BitShift;
return Binary;
}
-static unsigned encodeNEONRn(const MachineInstr &MI, unsigned OpIdx) {
+unsigned ARMCodeEmitter::encodeNEONRn(const MachineInstr &MI,
+ unsigned OpIdx) const {
unsigned RegN = MI.getOperand(OpIdx).getReg();
unsigned Binary = 0;
- RegN = getARMRegisterNumbering(RegN);
+ RegN = II->getRegisterInfo().getEncodingValue(RegN);
Binary |= (RegN & 0xf) << ARMII::RegRnShift;
Binary |= ((RegN >> 4) & 1) << ARMII::N_BitShift;
return Binary;
}
-static unsigned encodeNEONRm(const MachineInstr &MI, unsigned OpIdx) {
+unsigned ARMCodeEmitter::encodeNEONRm(const MachineInstr &MI,
+ unsigned OpIdx) const {
unsigned RegM = MI.getOperand(OpIdx).getReg();
unsigned Binary = 0;
- RegM = getARMRegisterNumbering(RegM);
+ RegM = II->getRegisterInfo().getEncodingValue(RegM);
Binary |= (RegM & 0xf);
Binary |= ((RegM >> 4) & 1) << ARMII::M_BitShift;
return Binary;
unsigned Binary = getBinaryCodeForInstr(MI);
unsigned RegTOpIdx, RegNOpIdx, LnOpIdx;
- const TargetInstrDesc &TID = MI.getDesc();
- if ((TID.TSFlags & ARMII::FormMask) == ARMII::NGetLnFrm) {
+ const MCInstrDesc &MCID = MI.getDesc();
+ if ((MCID.TSFlags & ARMII::FormMask) == ARMII::NGetLnFrm) {
RegTOpIdx = 0;
RegNOpIdx = 1;
LnOpIdx = 2;
Binary |= (IsThumb ? ARMCC::AL : II->getPredicate(&MI)) << ARMII::CondShift;
unsigned RegT = MI.getOperand(RegTOpIdx).getReg();
- RegT = getARMRegisterNumbering(RegT);
+ RegT = II->getRegisterInfo().getEncodingValue(RegT);
Binary |= (RegT << ARMII::RegRdShift);
Binary |= encodeNEONRn(MI, RegNOpIdx);
Binary |= (IsThumb ? ARMCC::AL : II->getPredicate(&MI)) << ARMII::CondShift;
unsigned RegT = MI.getOperand(1).getReg();
- RegT = getARMRegisterNumbering(RegT);
+ RegT = II->getRegisterInfo().getEncodingValue(RegT);
Binary |= (RegT << ARMII::RegRdShift);
Binary |= encodeNEONRn(MI, 0);
emitWordLE(Binary);
}
void ARMCodeEmitter::emitNEON2RegInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
unsigned Binary = getBinaryCodeForInstr(MI);
// Destination register is encoded in Dd; source register in Dm.
unsigned OpIdx = 0;
Binary |= encodeNEONRd(MI, OpIdx++);
- if (TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
Binary |= encodeNEONRm(MI, OpIdx);
if (IsThumb)
}
void ARMCodeEmitter::emitNEON3RegInstruction(const MachineInstr &MI) {
- const TargetInstrDesc &TID = MI.getDesc();
+ const MCInstrDesc &MCID = MI.getDesc();
unsigned Binary = getBinaryCodeForInstr(MI);
// Destination register is encoded in Dd; source registers in Dn and Dm.
unsigned OpIdx = 0;
Binary |= encodeNEONRd(MI, OpIdx++);
- if (TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
Binary |= encodeNEONRn(MI, OpIdx++);
- if (TID.getOperandConstraint(OpIdx, TOI::TIED_TO) != -1)
+ if (MCID.getOperandConstraint(OpIdx, MCOI::TIED_TO) != -1)
++OpIdx;
Binary |= encodeNEONRm(MI, OpIdx);
if (IsThumb)
projects / oota-llvm.git / blobdiff