// 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)
+ const { return 0; }
+ unsigned NEONThumb2LoadStorePostEncoder(const MachineInstr &MI,unsigned Val)
+ const { return 0; }
+ unsigned NEONThumb2DupPostEncoder(const MachineInstr &MI,unsigned Val)
+ const { return 0; }
+ unsigned getBranchTargetOpValue(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)
const { return 0; }
+ unsigned getT2AddrModeImm12OpValue(const MachineInstr &MI, unsigned Op)
+ const { return 0; }
+ unsigned getT2AddrModeImm8OpValue(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 getT2AddrModeSORegOpValue(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 getAddrMode6AddressOpValue(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; }
- uint32_t getAddrModeImmOpValue(const MachineInstr &MI, unsigned Op) const {
- // {20-17} = reg
- // {16} = (U)nsigned (add == '1', sub == '0')
- // {15-0} = imm
+ uint32_t getLdStmModeOpValue(const MachineInstr &MI, unsigned OpIdx)
+ const {return 0; }
+ uint32_t getLdStSORegOpValue(const MachineInstr &MI, unsigned OpIdx)
+ const { return 0; }
+
+ unsigned getAddrModeImm12OpValue(const MachineInstr &MI, unsigned Op)
+ const {
+ // {17-13} = reg
+ // {12} = (U)nsigned (add == '1', sub == '0')
+ // {11-0} = imm12
const MachineOperand &MO = MI.getOperand(Op);
const MachineOperand &MO1 = MI.getOperand(Op + 1);
if (!MO.isReg()) {
emitConstPoolAddress(MO.getIndex(), ARM::reloc_arm_cp_entry);
return 0;
}
-
unsigned Reg = getARMRegisterNumbering(MO.getReg());
- int32_t Imm = MO1.getImm();
+ int32_t Imm12 = MO1.getImm();
uint32_t Binary;
- Binary = Imm & 0xffff;
- if (Imm >= 0)
- Binary |= (1 << 16);
+ Binary = Imm12 & 0xfff;
+ if (Imm12 >= 0)
+ Binary |= (1 << 12);
+ Binary |= (Reg << 13);
+ return Binary;
+ }
- Binary |= (Reg << 17);
+ unsigned getMovtImmOpValue(const MachineInstr &MI, unsigned Op) const {
+ return 0;
+ }
+
+ uint32_t getAddrMode2OpValue(const MachineInstr &MI, unsigned OpIdx)
+ const { return 0;}
+ uint32_t getAddrMode2OffsetOpValue(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)
+ const { return 0; }
+ uint32_t getAddrModeS4OpValue(const MachineInstr &MI, unsigned Op)
+ const { return 0; }
+ uint32_t getAddrMode5OpValue(const MachineInstr &MI, unsigned Op) const {
+ // {17-13} = reg
+ // {12} = (U)nsigned (add == '1', sub == '0')
+ // {11-0} = imm12
+ const MachineOperand &MO = MI.getOperand(Op);
+ const MachineOperand &MO1 = MI.getOperand(Op + 1);
+ if (!MO.isReg()) {
+ emitConstPoolAddress(MO.getIndex(), ARM::reloc_arm_cp_entry);
+ return 0;
+ }
+ unsigned Reg = getARMRegisterNumbering(MO.getReg());
+ int32_t Imm12 = MO1.getImm();
+
+ // Special value for #-0
+ if (Imm12 == INT32_MIN)
+ Imm12 = 0;
+
+ // Immediate is always encoded as positive. The 'U' bit controls add vs
+ // sub.
+ bool isAdd = true;
+ if (Imm12 < 0) {
+ Imm12 = -Imm12;
+ isAdd = false;
+ }
+
+ uint32_t Binary = Imm12 & 0xfff;
+ if (isAdd)
+ Binary |= (1 << 12);
+ Binary |= (Reg << 13);
return Binary;
}
unsigned getNEONVcvtImm32OpValue(const MachineInstr &MI, unsigned Op)
emitJumpTableAddress(MO.getIndex(), ARM::reloc_arm_relative);
else if (MO.isMBB())
emitMachineBasicBlock(MO.getMBB(), ARM::reloc_arm_branch);
- else {
-#ifndef NDEBUG
- errs() << MO;
-#endif
- llvm_unreachable(0);
- }
+ else
+ llvm_unreachable("Unable to encode MachineOperand!");
return 0;
}
llvm_unreachable("Unhandled instruction encoding format!");
break;
}
+ case ARMII::MiscFrm:
+ if (MI.getOpcode() == ARM::LEApcrelJT) {
+ // Materialize jumptable address.
+ emitLEApcrelJTInstruction(MI);
+ break;
+ }
+ llvm_unreachable("Unhandled instruction encoding!");
+ break;
case ARMII::Pseudo:
emitPseudoInstruction(MI);
break;
const TargetInstrDesc &TID = MI.getDesc();
// Emit the 'add' instruction.
- unsigned Binary = 0x4 << 21; // add: Insts{24-31} = 0b0100
+ unsigned Binary = 0x4 << 21; // add: Insts{24-21} = 0b0100
// Set the conditional execution predicate
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
switch (Opcode) {
default:
llvm_unreachable("ARMCodeEmitter::emitPseudoInstruction");
- case ARM::BX:
- case ARM::BMOVPCRX:
- case ARM::BXr9:
- case ARM::BMOVPCRXr9: {
+ case ARM::BX_CALL:
+ case ARM::BMOVPCRX_CALL:
+ case ARM::BXr9_CALL:
+ case ARM::BMOVPCRXr9_CALL: {
// First emit mov lr, pc
unsigned Binary = 0x01a0e00f;
Binary |= II->getPredicate(&MI) << ARMII::CondShift;
}
case ARM::MOVi32imm:
- emitMOVi32immInstruction(MI);
- break;
-
- case ARM::MOVi2pieces:
// Two instructions to materialize a constant.
- emitMOVi2piecesInstruction(MI);
+ if (Subtarget->hasV6T2Ops())
+ emitMOVi32immInstruction(MI);
+ else
+ emitMOVi2piecesInstruction(MI);
break;
+
case ARM::LEApcrelJT:
// Materialize jumptable address.
emitLEApcrelJTInstruction(MI);
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRnShift;
// Set addressing mode by modifying bits U(23) and P(24)
- const MachineOperand &MO = MI.getOperand(OpIdx++);
- Binary |= getAddrModeUPBits(ARM_AM::getAM4SubMode(MO.getImm()));
+ ARM_AM::AMSubMode Mode = ARM_AM::getLoadStoreMultipleSubMode(MI.getOpcode());
+ Binary |= getAddrModeUPBits(ARM_AM::getAM4SubMode(Mode));
// Set bit W(21)
if (IsUpdating)
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRnShift;
// Set addressing mode by modifying bits U(23) and P(24)
- const MachineOperand &MO = MI.getOperand(OpIdx++);
- Binary |= getAddrModeUPBits(ARM_AM::getAM4SubMode(MO.getImm()));
+ ARM_AM::AMSubMode Mode = ARM_AM::getLoadStoreMultipleSubMode(MI.getOpcode());
+ Binary |= getAddrModeUPBits(ARM_AM::getAM4SubMode(Mode));
// Set bit W(21)
if (IsUpdating)