bool HexagonExpandPredSpillCode::runOnMachineFunction(MachineFunction &Fn) {
const HexagonSubtarget &QST = Fn.getSubtarget<HexagonSubtarget>();
- const HexagonRegisterInfo *TRI = QST.getRegisterInfo();
const HexagonInstrInfo *TII = QST.getInstrInfo();
// Loop over all of the basic blocks.
++MII) {
MachineInstr *MI = MII;
int Opc = MI->getOpcode();
- if (Opc == Hexagon::STriw_pred) {
+ if (Opc == Hexagon::S2_storerb_pci_pseudo ||
+ Opc == Hexagon::S2_storerh_pci_pseudo ||
+ Opc == Hexagon::S2_storeri_pci_pseudo ||
+ Opc == Hexagon::S2_storerd_pci_pseudo ||
+ Opc == Hexagon::S2_storerf_pci_pseudo) {
+ unsigned Opcode;
+ if (Opc == Hexagon::S2_storerd_pci_pseudo)
+ Opcode = Hexagon::S2_storerd_pci;
+ else if (Opc == Hexagon::S2_storeri_pci_pseudo)
+ Opcode = Hexagon::S2_storeri_pci;
+ else if (Opc == Hexagon::S2_storerh_pci_pseudo)
+ Opcode = Hexagon::S2_storerh_pci;
+ else if (Opc == Hexagon::S2_storerf_pci_pseudo)
+ Opcode = Hexagon::S2_storerf_pci;
+ else if (Opc == Hexagon::S2_storerb_pci_pseudo)
+ Opcode = Hexagon::S2_storerb_pci;
+ else
+ llvm_unreachable("wrong Opc");
+ MachineOperand &Op0 = MI->getOperand(0);
+ MachineOperand &Op1 = MI->getOperand(1);
+ MachineOperand &Op2 = MI->getOperand(2);
+ MachineOperand &Op3 = MI->getOperand(3); // Modifier value.
+ MachineOperand &Op4 = MI->getOperand(4);
+ // Emit a "C6 = Rn, C6 is the control register for M0".
+ BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::A2_tfrrcr),
+ Hexagon::C6)->addOperand(Op3);
+ // Replace the pseude circ_ldd by the real circ_ldd.
+ MachineInstr *NewMI = BuildMI(*MBB, MII, MI->getDebugLoc(),
+ TII->get(Opcode));
+ NewMI->addOperand(Op0);
+ NewMI->addOperand(Op1);
+ NewMI->addOperand(Op4);
+ NewMI->addOperand(MachineOperand::CreateReg(Hexagon::M0,
+ false, /*isDef*/
+ false, /*isImpl*/
+ true /*isKill*/));
+ NewMI->addOperand(Op2);
+ MII = MBB->erase(MI);
+ --MII;
+ } else if (Opc == Hexagon::L2_loadrd_pci_pseudo ||
+ Opc == Hexagon::L2_loadri_pci_pseudo ||
+ Opc == Hexagon::L2_loadrh_pci_pseudo ||
+ Opc == Hexagon::L2_loadruh_pci_pseudo||
+ Opc == Hexagon::L2_loadrb_pci_pseudo ||
+ Opc == Hexagon::L2_loadrub_pci_pseudo) {
+ unsigned Opcode;
+ if (Opc == Hexagon::L2_loadrd_pci_pseudo)
+ Opcode = Hexagon::L2_loadrd_pci;
+ else if (Opc == Hexagon::L2_loadri_pci_pseudo)
+ Opcode = Hexagon::L2_loadri_pci;
+ else if (Opc == Hexagon::L2_loadrh_pci_pseudo)
+ Opcode = Hexagon::L2_loadrh_pci;
+ else if (Opc == Hexagon::L2_loadruh_pci_pseudo)
+ Opcode = Hexagon::L2_loadruh_pci;
+ else if (Opc == Hexagon::L2_loadrb_pci_pseudo)
+ Opcode = Hexagon::L2_loadrb_pci;
+ else if (Opc == Hexagon::L2_loadrub_pci_pseudo)
+ Opcode = Hexagon::L2_loadrub_pci;
+ else
+ llvm_unreachable("wrong Opc");
+
+ MachineOperand &Op0 = MI->getOperand(0);
+ MachineOperand &Op1 = MI->getOperand(1);
+ MachineOperand &Op2 = MI->getOperand(2);
+ MachineOperand &Op4 = MI->getOperand(4); // Modifier value.
+ MachineOperand &Op5 = MI->getOperand(5);
+ // Emit a "C6 = Rn, C6 is the control register for M0".
+ BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::A2_tfrrcr),
+ Hexagon::C6)->addOperand(Op4);
+ // Replace the pseude circ_ldd by the real circ_ldd.
+ MachineInstr *NewMI = BuildMI(*MBB, MII, MI->getDebugLoc(),
+ TII->get(Opcode));
+ NewMI->addOperand(Op1);
+ NewMI->addOperand(Op0);
+ NewMI->addOperand(Op2);
+ NewMI->addOperand(Op5);
+ NewMI->addOperand(MachineOperand::CreateReg(Hexagon::M0,
+ false, /*isDef*/
+ false, /*isImpl*/
+ true /*isKill*/));
+ MII = MBB->erase(MI);
+ --MII;
+ } else if (Opc == Hexagon::L2_loadrd_pbr_pseudo ||
+ Opc == Hexagon::L2_loadri_pbr_pseudo ||
+ Opc == Hexagon::L2_loadrh_pbr_pseudo ||
+ Opc == Hexagon::L2_loadruh_pbr_pseudo||
+ Opc == Hexagon::L2_loadrb_pbr_pseudo ||
+ Opc == Hexagon::L2_loadrub_pbr_pseudo) {
+ unsigned Opcode;
+ if (Opc == Hexagon::L2_loadrd_pbr_pseudo)
+ Opcode = Hexagon::L2_loadrd_pbr;
+ else if (Opc == Hexagon::L2_loadri_pbr_pseudo)
+ Opcode = Hexagon::L2_loadri_pbr;
+ else if (Opc == Hexagon::L2_loadrh_pbr_pseudo)
+ Opcode = Hexagon::L2_loadrh_pbr;
+ else if (Opc == Hexagon::L2_loadruh_pbr_pseudo)
+ Opcode = Hexagon::L2_loadruh_pbr;
+ else if (Opc == Hexagon::L2_loadrb_pbr_pseudo)
+ Opcode = Hexagon::L2_loadrb_pbr;
+ else if (Opc == Hexagon::L2_loadrub_pbr_pseudo)
+ Opcode = Hexagon::L2_loadrub_pbr;
+ else
+ llvm_unreachable("wrong Opc");
+ MachineOperand &Op0 = MI->getOperand(0);
+ MachineOperand &Op1 = MI->getOperand(1);
+ MachineOperand &Op2 = MI->getOperand(2);
+ MachineOperand &Op4 = MI->getOperand(4); // Modifier value.
+ // Emit a "C6 = Rn, C6 is the control register for M0".
+ BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::A2_tfrrcr),
+ Hexagon::C6)->addOperand(Op4);
+ // Replace the pseudo brev_ldd by the real brev_ldd.
+ MachineInstr *NewMI = BuildMI(*MBB, MII, MI->getDebugLoc(),
+ TII->get(Opcode));
+ NewMI->addOperand(Op1);
+ NewMI->addOperand(Op0);
+ NewMI->addOperand(Op2);
+ NewMI->addOperand(MachineOperand::CreateReg(Hexagon::M0,
+ false, /*isDef*/
+ false, /*isImpl*/
+ true /*isKill*/));
+ MII = MBB->erase(MI);
+ --MII;
+ } else if (Opc == Hexagon::S2_storerd_pbr_pseudo ||
+ Opc == Hexagon::S2_storeri_pbr_pseudo ||
+ Opc == Hexagon::S2_storerh_pbr_pseudo ||
+ Opc == Hexagon::S2_storerb_pbr_pseudo ||
+ Opc == Hexagon::S2_storerf_pbr_pseudo) {
+ unsigned Opcode;
+ if (Opc == Hexagon::S2_storerd_pbr_pseudo)
+ Opcode = Hexagon::S2_storerd_pbr;
+ else if (Opc == Hexagon::S2_storeri_pbr_pseudo)
+ Opcode = Hexagon::S2_storeri_pbr;
+ else if (Opc == Hexagon::S2_storerh_pbr_pseudo)
+ Opcode = Hexagon::S2_storerh_pbr;
+ else if (Opc == Hexagon::S2_storerf_pbr_pseudo)
+ Opcode = Hexagon::S2_storerf_pbr;
+ else if (Opc == Hexagon::S2_storerb_pbr_pseudo)
+ Opcode = Hexagon::S2_storerb_pbr;
+ else
+ llvm_unreachable("wrong Opc");
+ MachineOperand &Op0 = MI->getOperand(0);
+ MachineOperand &Op1 = MI->getOperand(1);
+ MachineOperand &Op2 = MI->getOperand(2);
+ MachineOperand &Op3 = MI->getOperand(3); // Modifier value.
+ // Emit a "C6 = Rn, C6 is the control register for M0".
+ BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::A2_tfrrcr),
+ Hexagon::C6)->addOperand(Op3);
+ // Replace the pseudo brev_ldd by the real brev_ldd.
+ MachineInstr *NewMI = BuildMI(*MBB, MII, MI->getDebugLoc(),
+ TII->get(Opcode));
+ NewMI->addOperand(Op0);
+ NewMI->addOperand(Op1);
+ NewMI->addOperand(MachineOperand::CreateReg(Hexagon::M0,
+ false, /*isDef*/
+ false, /*isImpl*/
+ true /*isKill*/));
+ NewMI->addOperand(Op2);
+ MII = MBB->erase(MI);
+ --MII;
+ } else if (Opc == Hexagon::STriw_pred) {
// STriw_pred [R30], ofst, SrcReg;
unsigned FP = MI->getOperand(0).getReg();
- assert(FP == TRI->getFrameRegister() &&
+ assert(FP == QST.getRegisterInfo()->getFrameRegister() &&
"Not a Frame Pointer, Nor a Spill Slot");
assert(MI->getOperand(1).isImm() && "Not an offset");
int Offset = MI->getOperand(1).getImm();
assert(Hexagon::PredRegsRegClass.contains(SrcReg) &&
"Not a predicate register");
if (!TII->isValidOffset(Hexagon::S2_storeri_io, Offset)) {
- if (!TII->isValidOffset(Hexagon::ADD_ri, Offset)) {
+ if (!TII->isValidOffset(Hexagon::A2_addi, Offset)) {
BuildMI(*MBB, MII, MI->getDebugLoc(),
TII->get(Hexagon::CONST32_Int_Real),
HEXAGON_RESERVED_REG_1).addImm(Offset);
.addReg(HEXAGON_RESERVED_REG_1)
.addImm(0).addReg(HEXAGON_RESERVED_REG_2);
} else {
- BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::ADD_ri),
+ BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::A2_addi),
HEXAGON_RESERVED_REG_1).addReg(FP).addImm(Offset);
BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::C2_tfrpr),
HEXAGON_RESERVED_REG_2).addReg(SrcReg);
assert(Hexagon::PredRegsRegClass.contains(DstReg) &&
"Not a predicate register");
unsigned FP = MI->getOperand(1).getReg();
- assert(FP == TRI->getFrameRegister() &&
+ assert(FP == QST.getRegisterInfo()->getFrameRegister() &&
"Not a Frame Pointer, Nor a Spill Slot");
assert(MI->getOperand(2).isImm() && "Not an offset");
int Offset = MI->getOperand(2).getImm();
if (!TII->isValidOffset(Hexagon::L2_loadri_io, Offset)) {
- if (!TII->isValidOffset(Hexagon::ADD_ri, Offset)) {
+ if (!TII->isValidOffset(Hexagon::A2_addi, Offset)) {
BuildMI(*MBB, MII, MI->getDebugLoc(),
TII->get(Hexagon::CONST32_Int_Real),
HEXAGON_RESERVED_REG_1).addImm(Offset);
BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::C2_tfrrp),
DstReg).addReg(HEXAGON_RESERVED_REG_2);
} else {
- BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::ADD_ri),
+ BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::A2_addi),
HEXAGON_RESERVED_REG_1).addReg(FP).addImm(Offset);
BuildMI(*MBB, MII, MI->getDebugLoc(), TII->get(Hexagon::L2_loadri_io),
HEXAGON_RESERVED_REG_2)